+/* A Bison parser, made by GNU Bison 2.3. */
-/* A Bison parser, made from /usr/homes/chet/src/bash/src/parse.y
- by GNU Bison version 1.28 */
-
-#define YYBISON 1 /* Identify Bison output. */
-
-#define IF 257
-#define THEN 258
-#define ELSE 259
-#define ELIF 260
-#define FI 261
-#define CASE 262
-#define ESAC 263
-#define FOR 264
-#define SELECT 265
-#define WHILE 266
-#define UNTIL 267
-#define DO 268
-#define DONE 269
-#define FUNCTION 270
-#define COND_START 271
-#define COND_END 272
-#define COND_ERROR 273
-#define IN 274
-#define BANG 275
-#define TIME 276
-#define TIMEOPT 277
-#define WORD 278
-#define ASSIGNMENT_WORD 279
-#define NUMBER 280
-#define ARITH_CMD 281
-#define ARITH_FOR_EXPRS 282
-#define COND_CMD 283
-#define AND_AND 284
-#define OR_OR 285
-#define GREATER_GREATER 286
-#define LESS_LESS 287
-#define LESS_AND 288
-#define GREATER_AND 289
-#define SEMI_SEMI 290
-#define LESS_LESS_MINUS 291
-#define AND_GREATER 292
-#define LESS_GREATER 293
-#define GREATER_BAR 294
-#define yacc_EOF 295
-
-#line 21 "/usr/homes/chet/src/bash/src/parse.y"
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+
+ Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
+
+/* As a special exception, you may create a larger work that contains
+ part or all of the Bison parser skeleton and distribute that work
+ under terms of your choice, so long as that work isn't itself a
+ parser generator using the skeleton or a modified version thereof
+ as a parser skeleton. Alternatively, if you modify or redistribute
+ the parser skeleton itself, you may (at your option) remove this
+ special exception, which will cause the skeleton and the resulting
+ Bison output files to be licensed under the GNU General Public
+ License without this special exception.
+
+ This special exception was added by the Free Software Foundation in
+ version 2.2 of Bison. */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+ simplifying the original so-called "semantic" parser. */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Bison version. */
+#define YYBISON_VERSION "2.3"
+
+/* Skeleton name. */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers. */
+#define YYPURE 0
+
+/* Using locations. */
+#define YYLSP_NEEDED 0
+
+
+
+/* Tokens. */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+ /* Put the tokens into the symbol table, so that GDB and other debuggers
+ know about them. */
+ enum yytokentype {
+ IF = 258,
+ THEN = 259,
+ ELSE = 260,
+ ELIF = 261,
+ FI = 262,
+ CASE = 263,
+ ESAC = 264,
+ FOR = 265,
+ SELECT = 266,
+ WHILE = 267,
+ UNTIL = 268,
+ DO = 269,
+ DONE = 270,
+ FUNCTION = 271,
+ COPROC = 272,
+ COND_START = 273,
+ COND_END = 274,
+ COND_ERROR = 275,
+ IN = 276,
+ BANG = 277,
+ TIME = 278,
+ TIMEOPT = 279,
+ WORD = 280,
+ ASSIGNMENT_WORD = 281,
+ NUMBER = 282,
+ ARITH_CMD = 283,
+ ARITH_FOR_EXPRS = 284,
+ COND_CMD = 285,
+ AND_AND = 286,
+ OR_OR = 287,
+ GREATER_GREATER = 288,
+ LESS_LESS = 289,
+ LESS_AND = 290,
+ LESS_LESS_LESS = 291,
+ GREATER_AND = 292,
+ SEMI_SEMI = 293,
+ SEMI_AND = 294,
+ SEMI_SEMI_AND = 295,
+ LESS_LESS_MINUS = 296,
+ AND_GREATER = 297,
+ AND_GREATER_GREATER = 298,
+ LESS_GREATER = 299,
+ GREATER_BAR = 300,
+ BAR_AND = 301,
+ yacc_EOF = 302
+ };
+#endif
+/* Tokens. */
+#define IF 258
+#define THEN 259
+#define ELSE 260
+#define ELIF 261
+#define FI 262
+#define CASE 263
+#define ESAC 264
+#define FOR 265
+#define SELECT 266
+#define WHILE 267
+#define UNTIL 268
+#define DO 269
+#define DONE 270
+#define FUNCTION 271
+#define COPROC 272
+#define COND_START 273
+#define COND_END 274
+#define COND_ERROR 275
+#define IN 276
+#define BANG 277
+#define TIME 278
+#define TIMEOPT 279
+#define WORD 280
+#define ASSIGNMENT_WORD 281
+#define NUMBER 282
+#define ARITH_CMD 283
+#define ARITH_FOR_EXPRS 284
+#define COND_CMD 285
+#define AND_AND 286
+#define OR_OR 287
+#define GREATER_GREATER 288
+#define LESS_LESS 289
+#define LESS_AND 290
+#define LESS_LESS_LESS 291
+#define GREATER_AND 292
+#define SEMI_SEMI 293
+#define SEMI_AND 294
+#define SEMI_SEMI_AND 295
+#define LESS_LESS_MINUS 296
+#define AND_GREATER 297
+#define AND_GREATER_GREATER 298
+#define LESS_GREATER 299
+#define GREATER_BAR 300
+#define BAR_AND 301
+#define yacc_EOF 302
+
+
+
+
+/* Copy the first part of user declarations. */
+#line 21 "/Users/chet/src/bash/src/parse.y"
#include "config.h"
#include "memalloc.h"
+#include "bashintl.h"
+
+#define NEED_STRFTIME_DECL /* used in externs.h */
+
#include "shell.h"
#include "trap.h"
#include "flags.h"
#include "parser.h"
#include "mailcheck.h"
#include "test.h"
+#include "builtins.h"
#include "builtins/common.h"
#include "builtins/builtext.h"
+#include "shmbutil.h"
+
#if defined (READLINE)
# include "bashline.h"
# include <readline/readline.h>
#if defined (ALIAS)
# include "alias.h"
+#else
+typedef void *alias_t;
#endif /* ALIAS */
#if defined (PROMPT_STRING_DECODE)
# include <sys/param.h>
# endif
# include <time.h>
+# if defined (TM_IN_SYS_TIME)
+# include <sys/types.h>
+# include <sys/time.h>
+# endif /* TM_IN_SYS_TIME */
# include "maxpath.h"
#endif /* PROMPT_STRING_DECODE */
#define RE_READ_TOKEN -99
#define NO_EXPANSION -100
-#define YYDEBUG 0
+#ifdef DEBUG
+# define YYDEBUG 1
+#else
+# define YYDEBUG 0
+#endif
+
+#if defined (HANDLE_MULTIBYTE)
+# define last_shell_getc_is_singlebyte \
+ ((shell_input_line_index > 1) \
+ ? shell_input_line_property[shell_input_line_index - 1] \
+ : 1)
+# define MBTEST(x) ((x) && last_shell_getc_is_singlebyte)
+#else
+# define last_shell_getc_is_singlebyte 1
+# define MBTEST(x) ((x))
+#endif
#if defined (EXTENDED_GLOB)
extern int extended_glob;
extern int eof_encountered;
extern int no_line_editing, running_under_emacs;
extern int current_command_number;
-extern int sourcelevel;
+extern int sourcelevel, parse_and_execute_level;
extern int posixly_correct;
extern int last_command_exit_value;
-extern int interrupt_immediately;
extern char *shell_name, *current_host_name;
extern char *dist_version;
extern int patch_level;
static int yy_string_get __P((void));
static int yy_string_unget __P((int));
+static void rewind_input_string __P((void));
static int yy_stream_get __P((void));
static int yy_stream_unget __P((int));
static char *read_a_line __P((int));
-static char *ansiexpand __P((char *, int, int, int *));
-static char *mk_msgstr __P((char *, int *));
-static char *localeexpand __P((char *, int, int, int, int *));
static int reserved_word_acceptable __P((int));
static int yylex __P((void));
static int alias_expand_token __P((char *));
static int special_case_tokens __P((char *));
static int read_token __P((int));
static char *parse_matched_pair __P((int, int, int, int *, int));
+static char *parse_comsub __P((int, int, int, int *, int));
+#if defined (ARRAY_VARS)
+static char *parse_compound_assignment __P((int *));
+#endif
#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
-static int parse_arith_cmd __P((char **));
+static int parse_dparen __P((int));
+static int parse_arith_cmd __P((char **, int));
#endif
#if defined (COND_COMMAND)
+static void cond_error __P((void));
static COND_COM *cond_expr __P((void));
static COND_COM *cond_or __P((void));
static COND_COM *cond_and __P((void));
static int cond_skip_newlines __P((void));
static COMMAND *parse_cond_command __P((void));
#endif
+#if defined (ARRAY_VARS)
+static int token_is_assignment __P((char *, int));
+static int token_is_ident __P((char *, int));
+#endif
static int read_token_word __P((int));
static void discard_parser_constructs __P((int));
+static char *error_token_from_token __P((int));
+static char *error_token_from_text __P((void));
+static void print_offending_line __P((void));
static void report_syntax_error __P((char *));
+
static void handle_eof_input_unit __P((void));
static void prompt_again __P((void));
#if 0
#endif
static void print_prompt __P((void));
-#if defined (HISTORY)
-char *history_delimiting_chars __P((void));
+#if defined (HANDLE_MULTIBYTE)
+static void set_line_mbstate __P((void));
+static char *shell_input_line_property = NULL;
+#else
+# define set_line_mbstate()
#endif
extern int yyerror __P((const char *));
+#ifdef DEBUG
+extern int yydebug;
+#endif
+
/* Default prompt strings */
char *primary_prompt = PPROMPT;
char *secondary_prompt = SPROMPT;
decode_prompt_string. */
int promptvars = 1;
+/* If non-zero, $'...' and $"..." are expanded when they appear within
+ a ${...} expansion, even when the expansion appears within double
+ quotes. */
+int extended_quote = 1;
+
/* The decoded prompt string. Used if READLINE is not defined or if
editing is turned off. Analogous to current_readline_prompt. */
static char *current_decoded_prompt;
/* The number of lines read from input while creating the current command. */
int current_command_line_count;
+/* The token that currently denotes the end of parse. */
+int shell_eof_token;
+
+/* The token currently being read. */
+int current_token;
+
/* Variables to manage the task of reading here documents, because we need to
defer the reading until after a complete command has been collected. */
static REDIRECT *redir_stack[10];
/* The line number in a script at which an arithmetic for command starts. */
static int arith_for_lineno;
+/* The current parser state. */
+static int parser_state;
+
+/* The last read token, or NULL. read_token () uses this for context
+ checking. */
+static int last_read_token;
+
+/* The token read prior to last_read_token. */
+static int token_before_that;
+
+/* The token read prior to token_before_that. */
+static int two_tokens_ago;
+
+/* The line number in a script where the word in a `case WORD', `select WORD'
+ or `for WORD' begins. This is a nested command maximum, since the array
+ index is decremented after a case, select, or for command is parsed. */
+#define MAX_CASE_NEST 128
+static int word_lineno[MAX_CASE_NEST];
+static int word_top = -1;
+
+/* If non-zero, it is the token that we want read_token to return
+ regardless of what text is (or isn't) present to be read. This
+ is reset by read_token. If token_to_read == WORD or
+ ASSIGNMENT_WORD, yylval.word should be set to word_desc_to_read. */
+static int token_to_read;
+static WORD_DESC *word_desc_to_read;
+
static REDIRECTEE redir;
-#line 232 "/usr/homes/chet/src/bash/src/parse.y"
-typedef union {
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table. */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+#line 316 "/Users/chet/src/bash/src/parse.y"
+{
WORD_DESC *word; /* the word that we read. */
int number; /* the number that we read. */
WORD_LIST *word_list;
REDIRECT *redirect;
ELEMENT element;
PATTERN_LIST *pattern;
-} YYSTYPE;
-#include <stdio.h>
+}
+/* Line 187 of yacc.c. */
+#line 495 "y.tab.c"
+ YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+
-#ifndef __cplusplus
-#ifndef __STDC__
-#define const
+/* Copy the second part of user declarations. */
+
+
+/* Line 216 of yacc.c. */
+#line 508 "y.tab.c"
+
+#ifdef short
+# undef short
#endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
#endif
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
-#define YYFINAL 295
-#define YYFLAG -32768
-#define YYNTBASE 53
-
-#define YYTRANSLATE(x) ((unsigned)(x) <= 295 ? yytranslate[x] : 88)
-
-static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 43,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 41, 2, 51,
- 52, 2, 2, 2, 48, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 42, 47,
- 2, 46, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 49, 45, 50, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 1, 3, 4, 5, 6,
- 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
- 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
- 27, 28, 29, 30, 31, 32, 33, 34, 35, 36,
- 37, 38, 39, 40, 44
-};
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
-#if YYDEBUG != 0
-static const short yyprhs[] = { 0,
- 0, 3, 5, 8, 10, 12, 15, 18, 21, 25,
- 29, 32, 36, 39, 43, 46, 50, 53, 57, 60,
- 64, 67, 71, 74, 78, 81, 85, 88, 92, 95,
- 99, 102, 105, 109, 111, 113, 115, 117, 120, 122,
- 125, 127, 129, 132, 134, 136, 138, 144, 150, 152,
- 154, 156, 158, 160, 162, 164, 171, 178, 186, 194,
- 205, 216, 226, 236, 244, 252, 258, 264, 271, 278,
- 286, 294, 305, 316, 323, 331, 338, 344, 351, 356,
- 358, 361, 365, 371, 379, 386, 390, 392, 396, 401,
- 408, 414, 416, 419, 424, 429, 435, 441, 444, 448,
- 450, 454, 457, 459, 462, 466, 470, 474, 479, 484,
- 489, 494, 499, 501, 503, 505, 507, 508, 511, 513,
- 516, 519, 524, 529, 533, 537, 539, 541, 544, 547,
- 551, 555, 560, 562, 564
-};
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+# define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+# define YYSIZE_T size_t
+# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# else
+# define YYSIZE_T unsigned int
+# endif
+#endif
-static const short yyrhs[] = { 83,
- 43, 0, 43, 0, 1, 43, 0, 44, 0, 24,
- 0, 54, 24, 0, 46, 24, 0, 47, 24, 0,
- 26, 46, 24, 0, 26, 47, 24, 0, 32, 24,
- 0, 26, 32, 24, 0, 33, 24, 0, 26, 33,
- 24, 0, 34, 26, 0, 26, 34, 26, 0, 35,
- 26, 0, 26, 35, 26, 0, 34, 24, 0, 26,
- 34, 24, 0, 35, 24, 0, 26, 35, 24, 0,
- 37, 24, 0, 26, 37, 24, 0, 35, 48, 0,
- 26, 35, 48, 0, 34, 48, 0, 26, 34, 48,
- 0, 38, 24, 0, 26, 39, 24, 0, 39, 24,
- 0, 40, 24, 0, 26, 40, 24, 0, 24, 0,
- 25, 0, 55, 0, 55, 0, 57, 55, 0, 56,
- 0, 58, 56, 0, 58, 0, 60, 0, 60, 57,
- 0, 65, 0, 61, 0, 64, 0, 12, 78, 14,
- 78, 15, 0, 13, 78, 14, 78, 15, 0, 63,
- 0, 68, 0, 67, 0, 69, 0, 70, 0, 71,
- 0, 62, 0, 10, 24, 82, 14, 78, 15, 0,
- 10, 24, 82, 49, 78, 50, 0, 10, 24, 42,
- 82, 14, 78, 15, 0, 10, 24, 42, 82, 49,
- 78, 50, 0, 10, 24, 82, 20, 54, 81, 82,
- 14, 78, 15, 0, 10, 24, 82, 20, 54, 81,
- 82, 49, 78, 50, 0, 10, 24, 82, 20, 81,
- 82, 14, 78, 15, 0, 10, 24, 82, 20, 81,
- 82, 49, 78, 50, 0, 10, 28, 81, 82, 14,
- 78, 15, 0, 10, 28, 81, 82, 49, 78, 50,
- 0, 10, 28, 14, 78, 15, 0, 10, 28, 49,
- 78, 50, 0, 11, 24, 82, 14, 77, 15, 0,
- 11, 24, 82, 49, 77, 50, 0, 11, 24, 42,
- 82, 14, 77, 15, 0, 11, 24, 42, 82, 49,
- 77, 50, 0, 11, 24, 82, 20, 54, 81, 82,
- 14, 77, 15, 0, 11, 24, 82, 20, 54, 81,
- 82, 49, 77, 50, 0, 8, 24, 82, 20, 82,
- 9, 0, 8, 24, 82, 20, 75, 82, 9, 0,
- 8, 24, 82, 20, 73, 9, 0, 24, 51, 52,
- 82, 66, 0, 16, 24, 51, 52, 82, 66, 0,
- 16, 24, 82, 66, 0, 60, 0, 60, 57, 0,
- 51, 78, 52, 0, 3, 78, 4, 78, 7, 0,
- 3, 78, 4, 78, 5, 78, 7, 0, 3, 78,
- 4, 78, 72, 7, 0, 49, 78, 50, 0, 27,
- 0, 17, 29, 18, 0, 6, 78, 4, 78, 0,
- 6, 78, 4, 78, 5, 78, 0, 6, 78, 4,
- 78, 72, 0, 74, 0, 75, 74, 0, 82, 76,
- 52, 78, 0, 82, 76, 52, 82, 0, 82, 51,
- 76, 52, 78, 0, 82, 51, 76, 52, 82, 0,
- 74, 36, 0, 75, 74, 36, 0, 24, 0, 76,
- 45, 24, 0, 82, 79, 0, 77, 0, 82, 80,
- 0, 80, 43, 82, 0, 80, 41, 82, 0, 80,
- 42, 82, 0, 80, 30, 82, 80, 0, 80, 31,
- 82, 80, 0, 80, 41, 82, 80, 0, 80, 42,
- 82, 80, 0, 80, 43, 82, 80, 0, 85, 0,
- 43, 0, 42, 0, 44, 0, 0, 82, 43, 0,
- 84, 0, 84, 41, 0, 84, 42, 0, 84, 30,
- 82, 84, 0, 84, 31, 82, 84, 0, 84, 41,
- 84, 0, 84, 42, 84, 0, 85, 0, 86, 0,
- 21, 86, 0, 87, 86, 0, 87, 21, 86, 0,
- 21, 87, 86, 0, 86, 45, 82, 86, 0, 59,
- 0, 22, 0, 22, 23, 0
-};
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+#ifndef YY_
+# if YYENABLE_NLS
+# if ENABLE_NLS
+# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_(msgid) dgettext ("bison-runtime", msgid)
+# endif
+# endif
+# ifndef YY_
+# define YY_(msgid) msgid
+# endif
#endif
-#if YYDEBUG != 0
-static const short yyrline[] = { 0,
- 282, 291, 298, 313, 323, 325, 329, 334, 339, 344,
- 349, 354, 359, 365, 371, 376, 381, 386, 391, 396,
- 401, 406, 411, 418, 425, 430, 435, 440, 445, 450,
- 455, 460, 465, 472, 474, 476, 480, 484, 495, 497,
- 501, 503, 505, 521, 525, 527, 529, 531, 533, 535,
- 537, 539, 541, 543, 545, 549, 551, 553, 555, 557,
- 559, 561, 563, 567, 569, 571, 573, 577, 581, 585,
- 589, 593, 597, 603, 605, 607, 611, 614, 617, 622,
- 624, 655, 662, 664, 666, 671, 675, 679, 683, 685,
- 687, 691, 692, 696, 698, 700, 702, 706, 707, 711,
- 713, 722, 730, 731, 737, 738, 745, 749, 751, 753,
- 760, 762, 764, 768, 769, 770, 773, 774, 783, 789,
- 798, 806, 808, 810, 817, 820, 824, 826, 831, 836,
- 841, 848, 851, 855, 857
-};
+/* Suppress unused-variable warnings by "using" E. */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
#endif
+/* Identity function, used to suppress warnings about constant conditions. */
+#ifndef lint
+# define YYID(n) (n)
+#else
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static int
+YYID (int i)
+#else
+static int
+YYID (i)
+ int i;
+#endif
+{
+ return i;
+}
+#endif
+
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# ifdef YYSTACK_USE_ALLOCA
+# if YYSTACK_USE_ALLOCA
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# elif defined __BUILTIN_VA_ARG_INCR
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# elif defined _AIX
+# define YYSTACK_ALLOC __alloca
+# elif defined _MSC_VER
+# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+# define alloca _alloca
+# else
+# define YYSTACK_ALLOC alloca
+# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
+# ifndef YYSTACK_ALLOC_MAXIMUM
+ /* The OS might guarantee only one guard page at the bottom of the stack,
+ and a page size can be as small as 4096 bytes. So we cannot safely
+ invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
+ to allow for a few compiler-allocated temporary stack slots. */
+# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+# endif
+# else
+# define YYSTACK_ALLOC YYMALLOC
+# define YYSTACK_FREE YYFREE
+# ifndef YYSTACK_ALLOC_MAXIMUM
+# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+# endif
+# if (defined __cplusplus && ! defined _STDLIB_H \
+ && ! ((defined YYMALLOC || defined malloc) \
+ && (defined YYFREE || defined free)))
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# ifndef YYFREE
+# define YYFREE free
+# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
+
+#if (! defined yyoverflow \
+ && (! defined __cplusplus \
+ || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ yytype_int16 yyss;
+ YYSTYPE yyvs;
+ };
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO. The source and destination do
+ not overlap. */
+# ifndef YYCOPY
+# if defined __GNUC__ && 1 < __GNUC__
+# define YYCOPY(To, From, Count) \
+ __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+# else
+# define YYCOPY(To, From, Count) \
+ do \
+ { \
+ YYSIZE_T yyi; \
+ for (yyi = 0; yyi < (Count); yyi++) \
+ (To)[yyi] = (From)[yyi]; \
+ } \
+ while (YYID (0))
+# endif
+# endif
+
+/* Relocate STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ YYCOPY (&yyptr->Stack, Stack, yysize); \
+ Stack = &yyptr->Stack; \
+ yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (YYID (0))
-#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
-
-static const char * const yytname[] = { "$","error","$undefined.","IF","THEN",
-"ELSE","ELIF","FI","CASE","ESAC","FOR","SELECT","WHILE","UNTIL","DO","DONE",
-"FUNCTION","COND_START","COND_END","COND_ERROR","IN","BANG","TIME","TIMEOPT",
-"WORD","ASSIGNMENT_WORD","NUMBER","ARITH_CMD","ARITH_FOR_EXPRS","COND_CMD","AND_AND",
-"OR_OR","GREATER_GREATER","LESS_LESS","LESS_AND","GREATER_AND","SEMI_SEMI","LESS_LESS_MINUS",
-"AND_GREATER","LESS_GREATER","GREATER_BAR","'&'","';'","'\\n'","yacc_EOF","'|'",
-"'>'","'<'","'-'","'{'","'}'","'('","')'","inputunit","word_list","redirection",
-"simple_command_element","redirection_list","simple_command","command","shell_command",
-"for_command","arith_for_command","select_command","case_command","function_def",
-"function_body","subshell","if_command","group_command","arith_command","cond_command",
-"elif_clause","case_clause","pattern_list","case_clause_sequence","pattern",
-"list","compound_list","list0","list1","list_terminator","newline_list","simple_list",
-"simple_list1","pipeline_command","pipeline","timespec", NULL
-};
#endif
-static const short yyr1[] = { 0,
- 53, 53, 53, 53, 54, 54, 55, 55, 55, 55,
- 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
- 55, 55, 55, 55, 55, 55, 55, 55, 55, 55,
- 55, 55, 55, 56, 56, 56, 57, 57, 58, 58,
- 59, 59, 59, 59, 60, 60, 60, 60, 60, 60,
- 60, 60, 60, 60, 60, 61, 61, 61, 61, 61,
- 61, 61, 61, 62, 62, 62, 62, 63, 63, 63,
- 63, 63, 63, 64, 64, 64, 65, 65, 65, 66,
- 66, 67, 68, 68, 68, 69, 70, 71, 72, 72,
- 72, 73, 73, 74, 74, 74, 74, 75, 75, 76,
- 76, 77, 78, 78, 79, 79, 79, 80, 80, 80,
- 80, 80, 80, 81, 81, 81, 82, 82, 83, 83,
- 83, 84, 84, 84, 84, 84, 85, 85, 85, 85,
- 85, 86, 86, 87, 87
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL 102
+/* YYLAST -- Last index in YYTABLE. */
+#define YYLAST 728
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS 59
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS 38
+/* YYNRULES -- Number of rules. */
+#define YYNRULES 153
+/* YYNRULES -- Number of states. */
+#define YYNSTATES 319
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYUNDEFTOK 2
+#define YYMAXUTOK 302
+
+#define YYTRANSLATE(YYX) \
+ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
+static const yytype_uint8 yytranslate[] =
+{
+ 0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 49, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 47, 2,
+ 57, 58, 2, 2, 2, 54, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 48,
+ 53, 2, 52, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 55, 51, 56, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 2, 2, 2, 2, 1, 2, 3, 4,
+ 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ 15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
+ 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39, 40, 41, 42, 43, 44,
+ 45, 46, 50
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const yytype_uint16 yyprhs[] =
+{
+ 0, 0, 3, 6, 8, 11, 13, 15, 18, 21,
+ 24, 28, 32, 35, 39, 42, 46, 49, 53, 56,
+ 60, 63, 67, 70, 74, 77, 81, 84, 88, 91,
+ 95, 98, 102, 105, 108, 112, 115, 118, 122, 124,
+ 126, 128, 130, 133, 135, 138, 140, 142, 145, 147,
+ 149, 151, 153, 159, 165, 167, 169, 171, 173, 175,
+ 177, 179, 186, 193, 201, 209, 220, 231, 241, 251,
+ 259, 267, 273, 279, 286, 293, 301, 309, 320, 331,
+ 338, 346, 353, 359, 366, 371, 373, 376, 380, 383,
+ 387, 391, 396, 399, 405, 413, 420, 424, 426, 430,
+ 435, 442, 448, 450, 453, 458, 463, 469, 475, 478,
+ 482, 485, 489, 492, 496, 498, 502, 505, 507, 510,
+ 514, 518, 522, 527, 532, 537, 542, 547, 549, 551,
+ 553, 555, 557, 559, 560, 563, 565, 568, 571, 576,
+ 581, 585, 589, 591, 593, 596, 599, 603, 607, 610,
+ 615, 620, 622, 624
};
-static const short yyr2[] = { 0,
- 2, 1, 2, 1, 1, 2, 2, 2, 3, 3,
- 2, 3, 2, 3, 2, 3, 2, 3, 2, 3,
- 2, 3, 2, 3, 2, 3, 2, 3, 2, 3,
- 2, 2, 3, 1, 1, 1, 1, 2, 1, 2,
- 1, 1, 2, 1, 1, 1, 5, 5, 1, 1,
- 1, 1, 1, 1, 1, 6, 6, 7, 7, 10,
- 10, 9, 9, 7, 7, 5, 5, 6, 6, 7,
- 7, 10, 10, 6, 7, 6, 5, 6, 4, 1,
- 2, 3, 5, 7, 6, 3, 1, 3, 4, 6,
- 5, 1, 2, 4, 4, 5, 5, 2, 3, 1,
- 3, 2, 1, 2, 3, 3, 3, 4, 4, 4,
- 4, 4, 1, 1, 1, 1, 0, 2, 1, 2,
- 2, 4, 4, 3, 3, 1, 1, 2, 2, 3,
- 3, 4, 1, 1, 2
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yytype_int8 yyrhs[] =
+{
+ 60, 0, -1, 92, 89, -1, 49, -1, 1, 49,
+ -1, 50, -1, 25, -1, 61, 25, -1, 52, 25,
+ -1, 53, 25, -1, 27, 52, 25, -1, 27, 53,
+ 25, -1, 33, 25, -1, 27, 33, 25, -1, 34,
+ 25, -1, 27, 34, 25, -1, 36, 25, -1, 27,
+ 36, 25, -1, 35, 27, -1, 27, 35, 27, -1,
+ 37, 27, -1, 27, 37, 27, -1, 35, 25, -1,
+ 27, 35, 25, -1, 37, 25, -1, 27, 37, 25,
+ -1, 41, 25, -1, 27, 41, 25, -1, 37, 54,
+ -1, 27, 37, 54, -1, 35, 54, -1, 27, 35,
+ 54, -1, 42, 25, -1, 43, 25, -1, 27, 44,
+ 25, -1, 44, 25, -1, 45, 25, -1, 27, 45,
+ 25, -1, 25, -1, 26, -1, 62, -1, 62, -1,
+ 64, 62, -1, 63, -1, 65, 63, -1, 65, -1,
+ 67, -1, 67, 64, -1, 72, -1, 75, -1, 68,
+ -1, 71, -1, 12, 86, 14, 86, 15, -1, 13,
+ 86, 14, 86, 15, -1, 70, -1, 76, -1, 74,
+ -1, 77, -1, 78, -1, 79, -1, 69, -1, 10,
+ 25, 91, 14, 86, 15, -1, 10, 25, 91, 55,
+ 86, 56, -1, 10, 25, 48, 91, 14, 86, 15,
+ -1, 10, 25, 48, 91, 55, 86, 56, -1, 10,
+ 25, 91, 21, 61, 90, 91, 14, 86, 15, -1,
+ 10, 25, 91, 21, 61, 90, 91, 55, 86, 56,
+ -1, 10, 25, 91, 21, 90, 91, 14, 86, 15,
+ -1, 10, 25, 91, 21, 90, 91, 55, 86, 56,
+ -1, 10, 29, 90, 91, 14, 86, 15, -1, 10,
+ 29, 90, 91, 55, 86, 56, -1, 10, 29, 14,
+ 86, 15, -1, 10, 29, 55, 86, 56, -1, 11,
+ 25, 91, 14, 85, 15, -1, 11, 25, 91, 55,
+ 85, 56, -1, 11, 25, 48, 91, 14, 85, 15,
+ -1, 11, 25, 48, 91, 55, 85, 56, -1, 11,
+ 25, 91, 21, 61, 90, 91, 14, 85, 15, -1,
+ 11, 25, 91, 21, 61, 90, 91, 55, 85, 56,
+ -1, 8, 25, 91, 21, 91, 9, -1, 8, 25,
+ 91, 21, 83, 91, 9, -1, 8, 25, 91, 21,
+ 81, 9, -1, 25, 57, 58, 91, 73, -1, 16,
+ 25, 57, 58, 91, 73, -1, 16, 25, 91, 73,
+ -1, 67, -1, 67, 64, -1, 57, 86, 58, -1,
+ 17, 67, -1, 17, 67, 64, -1, 17, 25, 67,
+ -1, 17, 25, 67, 64, -1, 17, 65, -1, 3,
+ 86, 4, 86, 7, -1, 3, 86, 4, 86, 5,
+ 86, 7, -1, 3, 86, 4, 86, 80, 7, -1,
+ 55, 86, 56, -1, 28, -1, 18, 30, 19, -1,
+ 6, 86, 4, 86, -1, 6, 86, 4, 86, 5,
+ 86, -1, 6, 86, 4, 86, 80, -1, 82, -1,
+ 83, 82, -1, 91, 84, 58, 86, -1, 91, 84,
+ 58, 91, -1, 91, 57, 84, 58, 86, -1, 91,
+ 57, 84, 58, 91, -1, 82, 38, -1, 83, 82,
+ 38, -1, 82, 39, -1, 83, 82, 39, -1, 82,
+ 40, -1, 83, 82, 40, -1, 25, -1, 84, 51,
+ 25, -1, 91, 87, -1, 85, -1, 91, 88, -1,
+ 88, 49, 91, -1, 88, 47, 91, -1, 88, 48,
+ 91, -1, 88, 31, 91, 88, -1, 88, 32, 91,
+ 88, -1, 88, 47, 91, 88, -1, 88, 48, 91,
+ 88, -1, 88, 49, 91, 88, -1, 94, -1, 49,
+ -1, 50, -1, 49, -1, 48, -1, 50, -1, -1,
+ 91, 49, -1, 93, -1, 93, 47, -1, 93, 48,
+ -1, 93, 31, 91, 93, -1, 93, 32, 91, 93,
+ -1, 93, 47, 93, -1, 93, 48, 93, -1, 94,
+ -1, 95, -1, 22, 95, -1, 96, 95, -1, 96,
+ 22, 95, -1, 22, 96, 95, -1, 96, 90, -1,
+ 95, 51, 91, 95, -1, 95, 46, 91, 95, -1,
+ 66, -1, 23, -1, 23, 24, -1
};
-static const short yydefact[] = { 0,
- 0, 117, 0, 0, 0, 117, 117, 0, 0, 0,
- 134, 34, 35, 0, 87, 0, 0, 0, 0, 0,
- 0, 0, 0, 2, 4, 0, 0, 117, 117, 36,
- 39, 41, 133, 42, 45, 55, 49, 46, 44, 51,
- 50, 52, 53, 54, 0, 119, 126, 127, 0, 3,
- 103, 0, 0, 117, 117, 0, 117, 0, 0, 117,
- 0, 128, 0, 135, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 11, 13, 19, 15, 27, 21,
- 17, 25, 23, 29, 31, 32, 7, 8, 0, 0,
- 34, 40, 37, 43, 1, 117, 117, 120, 121, 117,
- 0, 129, 117, 118, 102, 104, 113, 0, 117, 0,
- 117, 115, 114, 116, 117, 117, 117, 0, 117, 117,
- 0, 0, 88, 131, 117, 12, 14, 20, 16, 28,
- 22, 18, 26, 24, 30, 33, 9, 10, 86, 82,
- 38, 0, 0, 124, 125, 0, 130, 0, 117, 117,
- 117, 117, 117, 117, 0, 117, 0, 117, 0, 0,
- 0, 0, 117, 0, 117, 0, 0, 117, 80, 79,
- 0, 122, 123, 0, 0, 132, 117, 117, 83, 0,
- 0, 0, 106, 107, 105, 0, 92, 117, 0, 117,
- 117, 0, 5, 0, 117, 0, 66, 67, 117, 117,
- 117, 117, 0, 0, 0, 0, 47, 48, 0, 81,
- 77, 0, 0, 85, 108, 109, 110, 111, 112, 76,
- 98, 93, 0, 74, 100, 0, 0, 0, 0, 56,
- 6, 117, 0, 57, 0, 0, 0, 0, 68, 0,
- 117, 69, 78, 84, 117, 117, 117, 117, 99, 75,
- 0, 0, 117, 58, 59, 0, 117, 117, 64, 65,
- 70, 71, 0, 89, 0, 0, 0, 117, 101, 94,
- 95, 117, 117, 0, 0, 117, 117, 117, 91, 96,
- 97, 0, 0, 62, 63, 0, 0, 90, 60, 61,
- 72, 73, 0, 0, 0
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const yytype_uint16 yyrline[] =
+{
+ 0, 369, 369, 380, 389, 404, 414, 416, 420, 425,
+ 430, 435, 440, 445, 450, 456, 462, 467, 472, 477,
+ 482, 487, 492, 497, 502, 507, 512, 519, 526, 531,
+ 536, 541, 546, 551, 556, 561, 566, 571, 578, 580,
+ 582, 586, 590, 601, 603, 607, 609, 611, 627, 629,
+ 633, 635, 637, 639, 641, 643, 645, 647, 649, 651,
+ 653, 657, 662, 667, 672, 677, 682, 687, 692, 699,
+ 704, 709, 714, 721, 726, 731, 736, 741, 746, 753,
+ 758, 763, 770, 773, 776, 780, 782, 813, 820, 825,
+ 842, 847, 864, 871, 873, 875, 880, 884, 888, 892,
+ 894, 896, 900, 901, 905, 907, 909, 911, 915, 917,
+ 919, 921, 923, 925, 929, 931, 940, 948, 949, 955,
+ 956, 963, 967, 969, 971, 978, 980, 982, 986, 987,
+ 990, 992, 994, 998, 999, 1008, 1021, 1037, 1052, 1054,
+ 1056, 1063, 1066, 1070, 1072, 1078, 1084, 1090, 1096, 1116,
+ 1118, 1140, 1144, 1146
};
+#endif
-static const short yydefgoto[] = { 293,
- 194, 30, 31, 94, 32, 33, 34, 35, 36, 37,
- 38, 39, 170, 40, 41, 42, 43, 44, 180, 186,
- 187, 188, 227, 51, 52, 105, 106, 116, 53, 45,
- 144, 107, 48, 49
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ "$end", "error", "$undefined", "IF", "THEN", "ELSE", "ELIF", "FI",
+ "CASE", "ESAC", "FOR", "SELECT", "WHILE", "UNTIL", "DO", "DONE",
+ "FUNCTION", "COPROC", "COND_START", "COND_END", "COND_ERROR", "IN",
+ "BANG", "TIME", "TIMEOPT", "WORD", "ASSIGNMENT_WORD", "NUMBER",
+ "ARITH_CMD", "ARITH_FOR_EXPRS", "COND_CMD", "AND_AND", "OR_OR",
+ "GREATER_GREATER", "LESS_LESS", "LESS_AND", "LESS_LESS_LESS",
+ "GREATER_AND", "SEMI_SEMI", "SEMI_AND", "SEMI_SEMI_AND",
+ "LESS_LESS_MINUS", "AND_GREATER", "AND_GREATER_GREATER", "LESS_GREATER",
+ "GREATER_BAR", "BAR_AND", "'&'", "';'", "'\\n'", "yacc_EOF", "'|'",
+ "'>'", "'<'", "'-'", "'{'", "'}'", "'('", "')'", "$accept", "inputunit",
+ "word_list", "redirection", "simple_command_element", "redirection_list",
+ "simple_command", "command", "shell_command", "for_command",
+ "arith_for_command", "select_command", "case_command", "function_def",
+ "function_body", "subshell", "coproc", "if_command", "group_command",
+ "arith_command", "cond_command", "elif_clause", "case_clause",
+ "pattern_list", "case_clause_sequence", "pattern", "list",
+ "compound_list", "list0", "list1", "simple_list_terminator",
+ "list_terminator", "newline_list", "simple_list", "simple_list1",
+ "pipeline_command", "pipeline", "timespec", 0
};
+#endif
-static const short yypact[] = { 267,
- -30,-32768, 2, 1, 7,-32768,-32768, 13, 25, 393,
- 17, 29,-32768, 557,-32768, 44, 47, 48, 82, 61,
- 78, 83, 105,-32768,-32768, 111, 125,-32768,-32768,-32768,
--32768, 178,-32768, 541,-32768,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768, 50, 34,-32768, 113, 435,-32768,
--32768, 155, 309,-32768, 118, 35, 120, 150, 151, 115,
- 149, 113, 519,-32768, 117, 146, 152, 107, 108, 153,
- 159, 164, 171, 173,-32768,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 123, 156,
--32768,-32768,-32768, 541,-32768,-32768,-32768, 351, 351,-32768,
- 519, 113,-32768,-32768,-32768, 201,-32768, 0,-32768, 72,
--32768,-32768,-32768,-32768,-32768,-32768,-32768, 97,-32768,-32768,
- 175, 179,-32768, 113,-32768,-32768,-32768,-32768,-32768,-32768,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
--32768, 309, 309, 4, 4, 477, 113, 137,-32768,-32768,
--32768,-32768,-32768,-32768, -2,-32768, 157,-32768, 183, 184,
- 18, 38,-32768, 185,-32768, 192, 208,-32768, 541,-32768,
- 179,-32768,-32768, 351, 351, 113,-32768,-32768,-32768, 222,
- 309, 309, 309, 309, 309, 224, 200,-32768, 12,-32768,
--32768, 223,-32768, 211,-32768, 187,-32768,-32768,-32768,-32768,
--32768,-32768, 225, 309, 211, 195,-32768,-32768, 179, 541,
--32768, 239, 244,-32768,-32768,-32768, 20, 20, 20,-32768,
--32768, 220, 15,-32768,-32768, 233, -38, 243, 209,-32768,
--32768,-32768, 69,-32768, 245, 213, 246, 214,-32768, 201,
--32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
- 43, 241,-32768,-32768,-32768, 102,-32768,-32768,-32768,-32768,
--32768,-32768, 114, 54, 309, 309, 309,-32768,-32768,-32768,
- 309,-32768,-32768, 254, 221,-32768,-32768,-32768,-32768,-32768,
- 309, 258, 226,-32768,-32768, 259, 231,-32768,-32768,-32768,
--32768,-32768, 282, 285,-32768
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+ token YYLEX-NUM. */
+static const yytype_uint16 yytoknum[] =
+{
+ 0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
+ 265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
+ 275, 276, 277, 278, 279, 280, 281, 282, 283, 284,
+ 285, 286, 287, 288, 289, 290, 291, 292, 293, 294,
+ 295, 296, 297, 298, 299, 300, 301, 38, 59, 10,
+ 302, 124, 62, 60, 45, 123, 125, 40, 41
};
+# endif
-static const short yypgoto[] = {-32768,
- 122, -32, 255, 121,-32768,-32768, -118,-32768,-32768,-32768,
--32768,-32768, -161,-32768,-32768,-32768,-32768,-32768, 31,-32768,
- 109,-32768, 70, -157, -6,-32768, -166, -148, -27,-32768,
- 11, 5, -7, 288
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const yytype_uint8 yyr1[] =
+{
+ 0, 59, 60, 60, 60, 60, 61, 61, 62, 62,
+ 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
+ 62, 62, 62, 62, 62, 62, 62, 62, 62, 62,
+ 62, 62, 62, 62, 62, 62, 62, 62, 63, 63,
+ 63, 64, 64, 65, 65, 66, 66, 66, 66, 66,
+ 67, 67, 67, 67, 67, 67, 67, 67, 67, 67,
+ 67, 68, 68, 68, 68, 68, 68, 68, 68, 69,
+ 69, 69, 69, 70, 70, 70, 70, 70, 70, 71,
+ 71, 71, 72, 72, 72, 73, 73, 74, 75, 75,
+ 75, 75, 75, 76, 76, 76, 77, 78, 79, 80,
+ 80, 80, 81, 81, 82, 82, 82, 82, 83, 83,
+ 83, 83, 83, 83, 84, 84, 85, 86, 86, 87,
+ 87, 87, 88, 88, 88, 88, 88, 88, 89, 89,
+ 90, 90, 90, 91, 91, 92, 92, 92, 93, 93,
+ 93, 93, 93, 94, 94, 94, 94, 94, 94, 95,
+ 95, 95, 96, 96
};
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const yytype_uint8 yyr2[] =
+{
+ 0, 2, 2, 1, 2, 1, 1, 2, 2, 2,
+ 3, 3, 2, 3, 2, 3, 2, 3, 2, 3,
+ 2, 3, 2, 3, 2, 3, 2, 3, 2, 3,
+ 2, 3, 2, 2, 3, 2, 2, 3, 1, 1,
+ 1, 1, 2, 1, 2, 1, 1, 2, 1, 1,
+ 1, 1, 5, 5, 1, 1, 1, 1, 1, 1,
+ 1, 6, 6, 7, 7, 10, 10, 9, 9, 7,
+ 7, 5, 5, 6, 6, 7, 7, 10, 10, 6,
+ 7, 6, 5, 6, 4, 1, 2, 3, 2, 3,
+ 3, 4, 2, 5, 7, 6, 3, 1, 3, 4,
+ 6, 5, 1, 2, 4, 4, 5, 5, 2, 3,
+ 2, 3, 2, 3, 1, 3, 2, 1, 2, 3,
+ 3, 3, 4, 4, 4, 4, 4, 1, 1, 1,
+ 1, 1, 1, 0, 2, 1, 2, 2, 4, 4,
+ 3, 3, 1, 1, 2, 2, 3, 3, 2, 4,
+ 4, 1, 1, 2
+};
-#define YYLAST 604
-
-
-static const short yytable[] = { 58,
- 59, 93, 62, 169, 47, 203, 252, 206, 195, 211,
- 46, 190, 50, 253, 215, 216, 217, 218, 219, 154,
- 224, 89, 90, 250, 55, 54, 108, 110, 56, 118,
- 57, 199, 122, 96, 97, 225, 60, 240, 225, 64,
- 104, 102, 104, 237, 238, 232, 191, 243, 111, 149,
- 150, 201, 169, 61, 104, 124, 241, 104, 278, 178,
- 104, 141, 226, 96, 97, 226, 200, 75, 142, 143,
- 76, 77, 146, 78, 98, 99, 112, 113, 114, 65,
- 104, 155, 257, 115, 83, 156, 202, 252, 161, 162,
- 169, 157, 95, 147, 268, 79, 148, 171, 217, 218,
- 219, 84, 47, 47, 159, 80, 85, 81, 160, 145,
- 163, 104, 166, 167, 104, 272, 164, 258, 286, 287,
- 158, 181, 182, 183, 184, 185, 189, 276, 86, 82,
- 128, 131, 129, 132, 87, 204, 93, 204, 176, 104,
- 209, 177, 178, 179, 104, 165, 47, 47, 88, 192,
- 273, 196, 172, 173, 130, 133, 104, 100, 103, 109,
- 223, 117, 277, 119, 120, 121, 123, 233, 125, 126,
- 212, 213, 139, 204, 204, 127, 134, 141, 47, 47,
- 193, 2, 135, 228, 229, 145, 3, 136, 4, 5,
- 6, 7, 235, 236, 137, 9, 138, 197, 112, 113,
- 114, 91, 13, 14, 256, 15, 207, 140, 193, 16,
- 17, 18, 19, 263, 20, 21, 22, 23, 265, 266,
- 267, 104, 208, 26, 27, 271, 168, 28, 214, 29,
- 149, 150, 220, 198, 231, 221, 234, 230, 264, 239,
- 281, 151, 152, 153, 242, 244, 270, 245, 204, 204,
- 274, 275, 112, 113, 114, 249, 225, 254, 255, 259,
- 261, 280, 260, 262, 269, 282, 283, 1, 284, 2,
- 285, 288, 289, 291, 3, 290, 4, 5, 6, 7,
- 292, 294, 8, 9, 295, 205, 92, 10, 11, 210,
- 12, 13, 14, 15, 279, 251, 222, 63, 16, 17,
- 18, 19, 0, 20, 21, 22, 23, 0, 0, 24,
- 25, 2, 26, 27, 0, 28, 3, 29, 4, 5,
- 6, 7, 0, 0, 8, 9, 0, 0, 0, 10,
- 11, 0, 12, 13, 14, 15, 0, 0, 0, 0,
- 16, 17, 18, 19, 0, 20, 21, 22, 23, 0,
- 0, 104, 0, 2, 26, 27, 0, 28, 3, 29,
- 4, 5, 6, 7, 0, 0, 8, 9, 0, 0,
- 0, 10, 11, 0, 12, 13, 14, 15, 0, 0,
- 0, 0, 16, 17, 18, 19, 0, 20, 21, 22,
- 23, 0, 0, 0, 0, 2, 26, 27, 0, 28,
- 3, 29, 4, 5, 6, 7, 0, 0, 8, 9,
- 0, 0, 0, 0, 11, 0, 12, 13, 14, 15,
- 0, 0, 0, 0, 16, 17, 18, 19, 0, 20,
- 21, 22, 23, 0, 0, 0, 0, 2, 26, 27,
- 0, 28, 3, 29, 4, 5, 6, 7, 0, 0,
- 8, 9, 0, 0, 0, 101, 0, 0, 12, 13,
- 14, 15, 0, 0, 0, 0, 16, 17, 18, 19,
- 0, 20, 21, 22, 23, 0, 0, 0, 0, 2,
- 26, 27, 0, 28, 3, 29, 4, 5, 6, 7,
- 0, 0, 8, 9, 0, 0, 0, 0, 0, 0,
- 12, 13, 14, 15, 0, 0, 0, 0, 16, 17,
- 18, 19, 0, 20, 21, 22, 23, 0, 0, 104,
- 0, 2, 26, 27, 0, 28, 3, 29, 4, 5,
- 6, 7, 0, 0, 8, 9, 0, 0, 0, 0,
- 0, 0, 12, 13, 14, 15, 0, 0, 0, 0,
- 16, 17, 18, 19, 0, 20, 21, 22, 23, 0,
- 0, 0, 0, 0, 26, 27, 14, 28, 0, 29,
- 0, 0, 16, 17, 18, 19, 0, 20, 21, 22,
- 23, 0, 0, 0, 0, 0, 26, 27, 66, 67,
- 68, 69, 0, 70, 0, 71, 72, 0, 0, 0,
- 0, 0, 73, 74
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+ STATE-NUM when YYTABLE doesn't specify something else to do. Zero
+ means the default is an error. */
+static const yytype_uint8 yydefact[] =
+{
+ 0, 0, 133, 0, 0, 0, 133, 133, 0, 0,
+ 0, 0, 152, 38, 39, 0, 97, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 3, 5, 0,
+ 0, 133, 133, 0, 40, 43, 45, 151, 46, 50,
+ 60, 54, 51, 48, 56, 49, 55, 57, 58, 59,
+ 0, 135, 142, 143, 0, 4, 117, 0, 0, 133,
+ 133, 0, 133, 0, 0, 133, 38, 92, 88, 0,
+ 144, 0, 153, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 12, 14, 22, 18, 30, 16,
+ 24, 20, 28, 26, 32, 33, 35, 36, 8, 9,
+ 0, 0, 1, 38, 44, 41, 47, 128, 129, 2,
+ 133, 133, 136, 137, 133, 133, 0, 131, 130, 132,
+ 148, 145, 133, 134, 116, 118, 127, 0, 133, 0,
+ 133, 133, 133, 133, 0, 133, 133, 0, 0, 90,
+ 89, 98, 147, 133, 13, 15, 23, 19, 31, 17,
+ 25, 21, 29, 27, 34, 37, 10, 11, 96, 87,
+ 42, 0, 0, 140, 141, 0, 0, 146, 0, 133,
+ 133, 133, 133, 133, 133, 0, 133, 0, 133, 0,
+ 0, 0, 0, 133, 0, 133, 0, 0, 133, 85,
+ 84, 91, 0, 138, 139, 0, 0, 150, 149, 133,
+ 133, 93, 0, 0, 0, 120, 121, 119, 0, 102,
+ 133, 0, 133, 133, 0, 6, 0, 133, 0, 71,
+ 72, 133, 133, 133, 133, 0, 0, 0, 0, 52,
+ 53, 0, 86, 82, 0, 0, 95, 122, 123, 124,
+ 125, 126, 81, 108, 110, 112, 103, 0, 79, 114,
+ 0, 0, 0, 0, 61, 7, 133, 0, 62, 0,
+ 0, 0, 0, 73, 0, 133, 74, 83, 94, 133,
+ 133, 133, 133, 109, 111, 113, 80, 0, 0, 133,
+ 63, 64, 0, 133, 133, 69, 70, 75, 76, 0,
+ 99, 0, 0, 0, 133, 115, 104, 105, 133, 133,
+ 0, 0, 133, 133, 133, 101, 106, 107, 0, 0,
+ 67, 68, 0, 0, 100, 65, 66, 77, 78
};
-static const short yycheck[] = { 6,
- 7, 34, 10, 122, 0, 163, 45, 165, 157, 171,
- 0, 14, 43, 52, 181, 182, 183, 184, 185, 20,
- 9, 28, 29, 9, 24, 24, 54, 55, 28, 57,
- 24, 14, 60, 30, 31, 24, 24, 204, 24, 23,
- 43, 49, 43, 201, 202, 194, 49, 209, 14, 30,
- 31, 14, 171, 29, 43, 63, 205, 43, 5, 6,
- 43, 94, 51, 30, 31, 51, 49, 24, 96, 97,
- 24, 24, 100, 26, 41, 42, 42, 43, 44, 51,
- 43, 109, 14, 49, 24, 14, 49, 45, 116, 117,
- 209, 20, 43, 101, 52, 48, 103, 125, 265, 266,
- 267, 24, 98, 99, 111, 24, 24, 26, 115, 99,
- 14, 43, 119, 120, 43, 14, 20, 49, 276, 277,
- 49, 149, 150, 151, 152, 153, 154, 14, 24, 48,
- 24, 24, 26, 26, 24, 163, 169, 165, 146, 43,
- 168, 5, 6, 7, 43, 49, 142, 143, 24, 156,
- 49, 158, 142, 143, 48, 48, 43, 45, 4, 42,
- 188, 42, 49, 14, 14, 51, 18, 195, 52, 24,
- 177, 178, 50, 201, 202, 24, 24, 210, 174, 175,
- 24, 3, 24, 190, 191, 175, 8, 24, 10, 11,
- 12, 13, 199, 200, 24, 17, 24, 15, 42, 43,
- 44, 24, 25, 26, 232, 27, 15, 52, 24, 32,
- 33, 34, 35, 241, 37, 38, 39, 40, 246, 247,
- 248, 43, 15, 46, 47, 253, 52, 49, 7, 51,
- 30, 31, 9, 50, 24, 36, 50, 15, 245, 15,
- 268, 41, 42, 43, 50, 7, 253, 4, 276, 277,
- 257, 258, 42, 43, 44, 36, 24, 15, 50, 15,
- 15, 268, 50, 50, 24, 272, 273, 1, 15, 3,
- 50, 278, 15, 15, 8, 50, 10, 11, 12, 13,
- 50, 0, 16, 17, 0, 164, 32, 21, 22, 169,
- 24, 25, 26, 27, 264, 226, 188, 10, 32, 33,
- 34, 35, -1, 37, 38, 39, 40, -1, -1, 43,
- 44, 3, 46, 47, -1, 49, 8, 51, 10, 11,
- 12, 13, -1, -1, 16, 17, -1, -1, -1, 21,
- 22, -1, 24, 25, 26, 27, -1, -1, -1, -1,
- 32, 33, 34, 35, -1, 37, 38, 39, 40, -1,
- -1, 43, -1, 3, 46, 47, -1, 49, 8, 51,
- 10, 11, 12, 13, -1, -1, 16, 17, -1, -1,
- -1, 21, 22, -1, 24, 25, 26, 27, -1, -1,
- -1, -1, 32, 33, 34, 35, -1, 37, 38, 39,
- 40, -1, -1, -1, -1, 3, 46, 47, -1, 49,
- 8, 51, 10, 11, 12, 13, -1, -1, 16, 17,
- -1, -1, -1, -1, 22, -1, 24, 25, 26, 27,
- -1, -1, -1, -1, 32, 33, 34, 35, -1, 37,
- 38, 39, 40, -1, -1, -1, -1, 3, 46, 47,
- -1, 49, 8, 51, 10, 11, 12, 13, -1, -1,
- 16, 17, -1, -1, -1, 21, -1, -1, 24, 25,
- 26, 27, -1, -1, -1, -1, 32, 33, 34, 35,
- -1, 37, 38, 39, 40, -1, -1, -1, -1, 3,
- 46, 47, -1, 49, 8, 51, 10, 11, 12, 13,
- -1, -1, 16, 17, -1, -1, -1, -1, -1, -1,
- 24, 25, 26, 27, -1, -1, -1, -1, 32, 33,
- 34, 35, -1, 37, 38, 39, 40, -1, -1, 43,
- -1, 3, 46, 47, -1, 49, 8, 51, 10, 11,
- 12, 13, -1, -1, 16, 17, -1, -1, -1, -1,
- -1, -1, 24, 25, 26, 27, -1, -1, -1, -1,
- 32, 33, 34, 35, -1, 37, 38, 39, 40, -1,
- -1, -1, -1, -1, 46, 47, 26, 49, -1, 51,
- -1, -1, 32, 33, 34, 35, -1, 37, 38, 39,
- 40, -1, -1, -1, -1, -1, 46, 47, 32, 33,
- 34, 35, -1, 37, -1, 39, 40, -1, -1, -1,
- -1, -1, 46, 47
+/* YYDEFGOTO[NTERM-NUM]. */
+static const yytype_int16 yydefgoto[] =
+{
+ -1, 33, 216, 34, 35, 106, 36, 37, 38, 39,
+ 40, 41, 42, 43, 190, 44, 45, 46, 47, 48,
+ 49, 202, 208, 209, 210, 251, 56, 57, 124, 125,
+ 109, 120, 58, 50, 163, 126, 53, 54
};
-/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "/usr/local/share/bison.simple"
-/* This file comes from bison-1.28. */
-/* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+#define YYPACT_NINF -188
+static const yytype_int16 yypact[] =
+{
+ 293, -26, -188, 7, 41, 43, -188, -188, 46, 629,
+ -17, 485, 11, 23, -188, 675, -188, 65, 68, 96,
+ 77, 119, 92, 124, 127, 140, 143, -188, -188, 149,
+ 154, -188, -188, 98, -188, -188, 662, -188, 208, -188,
+ -188, -188, -188, -188, -188, -188, -188, -188, -188, -188,
+ 24, 12, -188, -36, 341, -188, -188, 177, 389, -188,
+ 142, 8, 147, 169, 185, 148, 200, 662, 208, 181,
+ -36, 581, -188, 146, 184, 189, 130, 192, 135, 197,
+ 198, 202, 207, 209, -188, -188, -188, -188, -188, -188,
+ -188, -188, -188, -188, -188, -188, -188, -188, -188, -188,
+ 180, 167, -188, -188, -188, -188, 208, -188, -188, -188,
+ -188, -188, 437, 437, -188, -188, 581, -188, -188, -188,
+ -188, -36, -188, -188, -188, 227, -188, -12, -188, 20,
+ -188, -188, -188, -188, 122, -188, -188, 179, 37, 208,
+ 208, -188, -36, -188, -188, -188, -188, -188, -188, -188,
+ -188, -188, -188, -188, -188, -188, -188, -188, -188, -188,
+ -188, 389, 389, 53, 53, 533, 533, -36, 224, -188,
+ -188, -188, -188, -188, -188, 40, -188, 171, -188, 233,
+ 190, 48, 73, -188, 247, -188, 239, 267, -188, 208,
+ -188, 208, 37, -188, -188, 437, 437, -36, -36, -188,
+ -188, -188, 276, 389, 389, 389, 389, 389, 275, 226,
+ -188, 42, -188, -188, 270, -188, 231, -188, 230, -188,
+ -188, -188, -188, -188, -188, 272, 389, 231, 234, -188,
+ -188, 37, 208, -188, 282, 287, -188, -188, -188, 76,
+ 76, 76, -188, -188, -188, -188, 229, 63, -188, -188,
+ 274, -27, 280, 241, -188, -188, -188, 99, -188, 285,
+ 246, 292, 252, -188, 227, -188, -188, -188, -188, -188,
+ -188, -188, -188, -188, -188, -188, -188, -22, 288, -188,
+ -188, -188, 131, -188, -188, -188, -188, -188, -188, 133,
+ 129, 389, 389, 389, -188, -188, -188, 389, -188, -188,
+ 297, 258, -188, -188, -188, -188, -188, 389, 302, 266,
+ -188, -188, 308, 268, -188, -188, -188, -188, -188
+};
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+/* YYPGOTO[NTERM-NUM]. */
+static const yytype_int16 yypgoto[] =
+{
+ -188, -188, 141, -30, -25, -62, 322, -188, -5, -188,
+ -188, -188, -188, -188, -185, -188, -188, -188, -188, -188,
+ -188, 49, -188, 123, -188, 82, -171, -6, -188, -187,
+ -188, -58, -32, -188, 5, 2, 10, 329
+};
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule which
+ number is the opposite. If zero, do what YYDEFACT says.
+ If YYTABLE_NINF, syntax error. */
+#define YYTABLE_NINF -1
+static const yytype_uint16 yytable[] =
+{
+ 63, 64, 52, 132, 68, 51, 140, 233, 105, 174,
+ 114, 104, 225, 69, 228, 115, 237, 238, 239, 240,
+ 241, 70, 130, 55, 278, 100, 101, 127, 129, 278,
+ 134, 279, 59, 138, 176, 72, 294, 123, 105, 264,
+ 2, 177, 104, 110, 111, 3, 267, 4, 5, 6,
+ 7, 248, 261, 262, 212, 10, 117, 118, 119, 112,
+ 113, 139, 221, 131, 121, 16, 60, 249, 62, 123,
+ 61, 65, 276, 107, 108, 178, 160, 191, 161, 162,
+ 73, 142, 165, 166, 110, 111, 123, 223, 249, 123,
+ 84, 123, 31, 85, 32, 213, 175, 123, 102, 250,
+ 181, 182, 89, 222, 239, 240, 241, 169, 170, 105,
+ 160, 192, 123, 283, 52, 52, 168, 93, 164, 217,
+ 250, 86, 123, 87, 179, 180, 167, 232, 224, 186,
+ 187, 312, 313, 189, 304, 200, 183, 203, 204, 205,
+ 206, 207, 211, 184, 90, 298, 91, 302, 123, 94,
+ 88, 226, 95, 226, 284, 146, 231, 147, 256, 105,
+ 150, 160, 151, 52, 52, 96, 193, 194, 97, 265,
+ 214, 123, 218, 92, 98, 197, 198, 185, 247, 99,
+ 123, 122, 123, 135, 148, 257, 299, 189, 303, 152,
+ 128, 226, 226, 234, 235, 133, 215, 52, 52, 136,
+ 141, 164, 160, 2, 143, 137, 252, 253, 3, 144,
+ 4, 5, 6, 7, 145, 259, 260, 149, 10, 117,
+ 118, 119, 153, 154, 282, 159, 189, 155, 16, 199,
+ 200, 201, 156, 289, 157, 15, 158, 188, 291, 292,
+ 293, 17, 18, 19, 20, 21, 220, 297, 219, 22,
+ 23, 24, 25, 26, 229, 31, 255, 32, 169, 170,
+ 29, 30, 307, 290, 243, 244, 245, 273, 274, 275,
+ 226, 226, 215, 296, 171, 172, 173, 300, 301, 117,
+ 118, 119, 230, 236, 242, 254, 258, 263, 306, 268,
+ 266, 269, 308, 309, 1, 280, 2, 281, 314, 249,
+ 285, 3, 286, 4, 5, 6, 7, 287, 288, 8,
+ 9, 10, 310, 295, 311, 11, 12, 315, 13, 14,
+ 15, 16, 316, 317, 318, 227, 17, 18, 19, 20,
+ 21, 67, 277, 246, 22, 23, 24, 25, 26, 305,
+ 71, 0, 27, 28, 2, 29, 30, 0, 31, 3,
+ 32, 4, 5, 6, 7, 0, 0, 8, 9, 10,
+ 0, 0, 0, 116, 0, 0, 13, 14, 15, 16,
+ 0, 0, 0, 0, 17, 18, 19, 20, 21, 0,
+ 0, 0, 22, 23, 24, 25, 26, 0, 0, 117,
+ 118, 119, 2, 29, 30, 0, 31, 3, 32, 4,
+ 5, 6, 7, 0, 0, 8, 9, 10, 0, 0,
+ 0, 11, 12, 0, 13, 14, 15, 16, 0, 0,
+ 0, 0, 17, 18, 19, 20, 21, 0, 0, 0,
+ 22, 23, 24, 25, 26, 0, 0, 0, 123, 0,
+ 2, 29, 30, 0, 31, 3, 32, 4, 5, 6,
+ 7, 0, 0, 8, 9, 10, 0, 0, 0, 11,
+ 12, 0, 13, 14, 15, 16, 0, 0, 0, 0,
+ 17, 18, 19, 20, 21, 0, 0, 0, 22, 23,
+ 24, 25, 26, 0, 0, 0, 0, 0, 2, 29,
+ 30, 0, 31, 3, 32, 4, 5, 6, 7, 0,
+ 0, 8, 9, 10, 0, 0, 0, 0, 12, 0,
+ 13, 14, 15, 16, 0, 0, 0, 0, 17, 18,
+ 19, 20, 21, 0, 0, 0, 22, 23, 24, 25,
+ 26, 0, 0, 0, 0, 0, 2, 29, 30, 0,
+ 31, 3, 32, 4, 5, 6, 7, 0, 0, 8,
+ 9, 10, 0, 0, 0, 0, 0, 0, 13, 14,
+ 15, 16, 0, 0, 0, 0, 17, 18, 19, 20,
+ 21, 0, 0, 0, 22, 23, 24, 25, 26, 0,
+ 0, 0, 123, 0, 2, 29, 30, 0, 31, 3,
+ 32, 4, 5, 6, 7, 0, 0, 8, 9, 10,
+ 0, 0, 0, 0, 0, 0, 13, 14, 15, 16,
+ 0, 0, 0, 0, 17, 18, 19, 20, 21, 0,
+ 0, 0, 22, 23, 24, 25, 26, 0, 0, 0,
+ 0, 0, 2, 29, 30, 0, 31, 3, 32, 4,
+ 5, 6, 7, 0, 0, 0, 0, 10, 0, 0,
+ 0, 0, 0, 0, 66, 14, 15, 16, 0, 0,
+ 0, 0, 17, 18, 19, 20, 21, 0, 0, 0,
+ 22, 23, 24, 25, 26, 0, 0, 0, 0, 0,
+ 0, 29, 30, 0, 31, 0, 32, 103, 14, 15,
+ 0, 0, 0, 0, 0, 17, 18, 19, 20, 21,
+ 0, 0, 0, 22, 23, 24, 25, 26, 74, 75,
+ 76, 77, 78, 0, 29, 30, 79, 0, 0, 80,
+ 81, 0, 0, 0, 0, 0, 0, 82, 83
+};
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-/* As a special exception, when this file is copied by Bison into a
- Bison output file, you may use that output file without restriction.
- This special exception was added by the Free Software Foundation
- in version 1.24 of Bison. */
-
-/* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
-#ifndef YYSTACK_USE_ALLOCA
-#ifdef alloca
-#define YYSTACK_USE_ALLOCA
-#else /* alloca not defined */
-#ifdef __GNUC__
-#define YYSTACK_USE_ALLOCA
-#define alloca __builtin_alloca
-#else /* not GNU C. */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
-#define YYSTACK_USE_ALLOCA
-#include <alloca.h>
-#else /* not sparc */
-/* We think this test detects Watcom and Microsoft C. */
-/* This used to test MSDOS, but that is a bad idea
- since that symbol is in the user namespace. */
-#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
-#if 0 /* No need for malloc.h, which pollutes the namespace;
- instead, just don't use alloca. */
-#include <malloc.h>
-#endif
-#else /* not MSDOS, or __TURBOC__ */
-#if defined(_AIX)
-/* I don't know what this was needed for, but it pollutes the namespace.
- So I turned it off. rms, 2 May 1997. */
-/* #include <malloc.h> */
- #pragma alloca
-#define YYSTACK_USE_ALLOCA
-#else /* not MSDOS, or __TURBOC__, or _AIX */
-#if 0
-#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
- and on HPUX 10. Eventually we can turn this on. */
-#define YYSTACK_USE_ALLOCA
-#define alloca __builtin_alloca
-#endif /* __hpux */
-#endif
-#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc */
-#endif /* not GNU C */
-#endif /* alloca not defined */
-#endif /* YYSTACK_USE_ALLOCA not defined */
-
-#ifdef YYSTACK_USE_ALLOCA
-#define YYSTACK_ALLOC alloca
-#else
-#define YYSTACK_ALLOC malloc
-#endif
+static const yytype_int16 yycheck[] =
+{
+ 6, 7, 0, 61, 9, 0, 68, 192, 38, 21,
+ 46, 36, 183, 30, 185, 51, 203, 204, 205, 206,
+ 207, 11, 14, 49, 51, 31, 32, 59, 60, 51,
+ 62, 58, 25, 65, 14, 24, 58, 49, 68, 226,
+ 3, 21, 67, 31, 32, 8, 231, 10, 11, 12,
+ 13, 9, 223, 224, 14, 18, 48, 49, 50, 47,
+ 48, 66, 14, 55, 54, 28, 25, 25, 25, 49,
+ 29, 25, 9, 49, 50, 55, 106, 139, 110, 111,
+ 57, 71, 114, 115, 31, 32, 49, 14, 25, 49,
+ 25, 49, 55, 25, 57, 55, 128, 49, 0, 57,
+ 132, 133, 25, 55, 291, 292, 293, 31, 32, 139,
+ 140, 143, 49, 14, 112, 113, 122, 25, 113, 177,
+ 57, 25, 49, 27, 130, 131, 116, 189, 55, 135,
+ 136, 302, 303, 138, 5, 6, 14, 169, 170, 171,
+ 172, 173, 174, 21, 25, 14, 27, 14, 49, 25,
+ 54, 183, 25, 185, 55, 25, 188, 27, 216, 189,
+ 25, 191, 27, 161, 162, 25, 161, 162, 25, 227,
+ 176, 49, 178, 54, 25, 165, 166, 55, 210, 25,
+ 49, 4, 49, 14, 54, 217, 55, 192, 55, 54,
+ 48, 223, 224, 199, 200, 48, 25, 195, 196, 14,
+ 19, 196, 232, 3, 58, 57, 212, 213, 8, 25,
+ 10, 11, 12, 13, 25, 221, 222, 25, 18, 48,
+ 49, 50, 25, 25, 256, 58, 231, 25, 28, 5,
+ 6, 7, 25, 265, 25, 27, 56, 58, 270, 271,
+ 272, 33, 34, 35, 36, 37, 56, 279, 15, 41,
+ 42, 43, 44, 45, 15, 55, 25, 57, 31, 32,
+ 52, 53, 294, 269, 38, 39, 40, 38, 39, 40,
+ 302, 303, 25, 279, 47, 48, 49, 283, 284, 48,
+ 49, 50, 15, 7, 9, 15, 56, 15, 294, 7,
+ 56, 4, 298, 299, 1, 15, 3, 56, 304, 25,
+ 15, 8, 56, 10, 11, 12, 13, 15, 56, 16,
+ 17, 18, 15, 25, 56, 22, 23, 15, 25, 26,
+ 27, 28, 56, 15, 56, 184, 33, 34, 35, 36,
+ 37, 9, 250, 210, 41, 42, 43, 44, 45, 290,
+ 11, -1, 49, 50, 3, 52, 53, -1, 55, 8,
+ 57, 10, 11, 12, 13, -1, -1, 16, 17, 18,
+ -1, -1, -1, 22, -1, -1, 25, 26, 27, 28,
+ -1, -1, -1, -1, 33, 34, 35, 36, 37, -1,
+ -1, -1, 41, 42, 43, 44, 45, -1, -1, 48,
+ 49, 50, 3, 52, 53, -1, 55, 8, 57, 10,
+ 11, 12, 13, -1, -1, 16, 17, 18, -1, -1,
+ -1, 22, 23, -1, 25, 26, 27, 28, -1, -1,
+ -1, -1, 33, 34, 35, 36, 37, -1, -1, -1,
+ 41, 42, 43, 44, 45, -1, -1, -1, 49, -1,
+ 3, 52, 53, -1, 55, 8, 57, 10, 11, 12,
+ 13, -1, -1, 16, 17, 18, -1, -1, -1, 22,
+ 23, -1, 25, 26, 27, 28, -1, -1, -1, -1,
+ 33, 34, 35, 36, 37, -1, -1, -1, 41, 42,
+ 43, 44, 45, -1, -1, -1, -1, -1, 3, 52,
+ 53, -1, 55, 8, 57, 10, 11, 12, 13, -1,
+ -1, 16, 17, 18, -1, -1, -1, -1, 23, -1,
+ 25, 26, 27, 28, -1, -1, -1, -1, 33, 34,
+ 35, 36, 37, -1, -1, -1, 41, 42, 43, 44,
+ 45, -1, -1, -1, -1, -1, 3, 52, 53, -1,
+ 55, 8, 57, 10, 11, 12, 13, -1, -1, 16,
+ 17, 18, -1, -1, -1, -1, -1, -1, 25, 26,
+ 27, 28, -1, -1, -1, -1, 33, 34, 35, 36,
+ 37, -1, -1, -1, 41, 42, 43, 44, 45, -1,
+ -1, -1, 49, -1, 3, 52, 53, -1, 55, 8,
+ 57, 10, 11, 12, 13, -1, -1, 16, 17, 18,
+ -1, -1, -1, -1, -1, -1, 25, 26, 27, 28,
+ -1, -1, -1, -1, 33, 34, 35, 36, 37, -1,
+ -1, -1, 41, 42, 43, 44, 45, -1, -1, -1,
+ -1, -1, 3, 52, 53, -1, 55, 8, 57, 10,
+ 11, 12, 13, -1, -1, -1, -1, 18, -1, -1,
+ -1, -1, -1, -1, 25, 26, 27, 28, -1, -1,
+ -1, -1, 33, 34, 35, 36, 37, -1, -1, -1,
+ 41, 42, 43, 44, 45, -1, -1, -1, -1, -1,
+ -1, 52, 53, -1, 55, -1, 57, 25, 26, 27,
+ -1, -1, -1, -1, -1, 33, 34, 35, 36, 37,
+ -1, -1, -1, 41, 42, 43, 44, 45, 33, 34,
+ 35, 36, 37, -1, 52, 53, 41, -1, -1, 44,
+ 45, -1, -1, -1, -1, -1, -1, 52, 53
+};
-/* Note: there must be only one dollar sign in this file.
- It is replaced by the list of actions, each action
- as one case of the switch. */
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+ symbol of state STATE-NUM. */
+static const yytype_uint8 yystos[] =
+{
+ 0, 1, 3, 8, 10, 11, 12, 13, 16, 17,
+ 18, 22, 23, 25, 26, 27, 28, 33, 34, 35,
+ 36, 37, 41, 42, 43, 44, 45, 49, 50, 52,
+ 53, 55, 57, 60, 62, 63, 65, 66, 67, 68,
+ 69, 70, 71, 72, 74, 75, 76, 77, 78, 79,
+ 92, 93, 94, 95, 96, 49, 85, 86, 91, 25,
+ 25, 29, 25, 86, 86, 25, 25, 65, 67, 30,
+ 95, 96, 24, 57, 33, 34, 35, 36, 37, 41,
+ 44, 45, 52, 53, 25, 25, 25, 27, 54, 25,
+ 25, 27, 54, 25, 25, 25, 25, 25, 25, 25,
+ 86, 86, 0, 25, 63, 62, 64, 49, 50, 89,
+ 31, 32, 47, 48, 46, 51, 22, 48, 49, 50,
+ 90, 95, 4, 49, 87, 88, 94, 91, 48, 91,
+ 14, 55, 90, 48, 91, 14, 14, 57, 91, 67,
+ 64, 19, 95, 58, 25, 25, 25, 27, 54, 25,
+ 25, 27, 54, 25, 25, 25, 25, 25, 56, 58,
+ 62, 91, 91, 93, 93, 91, 91, 95, 86, 31,
+ 32, 47, 48, 49, 21, 91, 14, 21, 55, 86,
+ 86, 91, 91, 14, 21, 55, 86, 86, 58, 67,
+ 73, 64, 91, 93, 93, 47, 48, 95, 95, 5,
+ 6, 7, 80, 91, 91, 91, 91, 91, 81, 82,
+ 83, 91, 14, 55, 86, 25, 61, 90, 86, 15,
+ 56, 14, 55, 14, 55, 85, 91, 61, 85, 15,
+ 15, 91, 64, 73, 86, 86, 7, 88, 88, 88,
+ 88, 88, 9, 38, 39, 40, 82, 91, 9, 25,
+ 57, 84, 86, 86, 15, 25, 90, 91, 56, 86,
+ 86, 85, 85, 15, 88, 90, 56, 73, 7, 4,
+ 47, 48, 49, 38, 39, 40, 9, 84, 51, 58,
+ 15, 56, 91, 14, 55, 15, 56, 15, 56, 91,
+ 86, 91, 91, 91, 58, 25, 86, 91, 14, 55,
+ 86, 86, 14, 55, 5, 80, 86, 91, 86, 86,
+ 15, 56, 85, 85, 86, 15, 56, 15, 56
+};
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
-#define YYEMPTY -2
+#define YYEMPTY (-2)
#define YYEOF 0
+
#define YYACCEPT goto yyacceptlab
-#define YYABORT goto yyabortlab
-#define YYERROR goto yyerrlab1
-/* Like YYERROR except do call yyerror.
- This remains here temporarily to ease the
- transition to the new meaning of YYERROR, for GCC.
+#define YYABORT goto yyabortlab
+#define YYERROR goto yyerrorlab
+
+
+/* Like YYERROR except do call yyerror. This remains here temporarily
+ to ease the transition to the new meaning of YYERROR, for GCC.
Once GCC version 2 has supplanted version 1, this can go. */
+
#define YYFAIL goto yyerrlab
+
#define YYRECOVERING() (!!yyerrstatus)
-#define YYBACKUP(token, value) \
+
+#define YYBACKUP(Token, Value) \
do \
if (yychar == YYEMPTY && yylen == 1) \
- { yychar = (token), yylval = (value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
+ yytoken = YYTRANSLATE (yychar); \
+ YYPOPSTACK (1); \
goto yybackup; \
} \
else \
- { yyerror ("syntax error: cannot back up"); YYERROR; } \
-while (0)
+ { \
+ yyerror (YY_("syntax error: cannot back up")); \
+ YYERROR; \
+ } \
+while (YYID (0))
+
#define YYTERROR 1
#define YYERRCODE 256
-#ifndef YYPURE
-#define YYLEX yylex()
-#endif
-#ifdef YYPURE
-#ifdef YYLSP_NEEDED
-#ifdef YYLEX_PARAM
-#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
-#else
-#define YYLEX yylex(&yylval, &yylloc)
-#endif
-#else /* not YYLSP_NEEDED */
-#ifdef YYLEX_PARAM
-#define YYLEX yylex(&yylval, YYLEX_PARAM)
-#else
-#define YYLEX yylex(&yylval)
-#endif
-#endif /* not YYLSP_NEEDED */
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+ If N is 0, then set CURRENT to the empty location which ends
+ the previous symbol: RHS[0] (always defined). */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ do \
+ if (YYID (N)) \
+ { \
+ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
+ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
+ (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
+ (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
+ } \
+ else \
+ { \
+ (Current).first_line = (Current).last_line = \
+ YYRHSLOC (Rhs, 0).last_line; \
+ (Current).first_column = (Current).last_column = \
+ YYRHSLOC (Rhs, 0).last_column; \
+ } \
+ while (YYID (0))
#endif
-/* If nonreentrant, generate the variables here */
-
-#ifndef YYPURE
-
-int yychar; /* the lookahead symbol */
-YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
-
-#ifdef YYLSP_NEEDED
-YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
-#endif
-int yynerrs; /* number of parse errors so far */
-#endif /* not YYPURE */
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+ This macro was not mandated originally: define only if we know
+ we won't break user code: when these are the locations we know. */
-#if YYDEBUG != 0
-int yydebug; /* nonzero means print parse trace */
-/* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
+#ifndef YY_LOCATION_PRINT
+# if YYLTYPE_IS_TRIVIAL
+# define YY_LOCATION_PRINT(File, Loc) \
+ fprintf (File, "%d.%d-%d.%d", \
+ (Loc).first_line, (Loc).first_column, \
+ (Loc).last_line, (Loc).last_column)
+# else
+# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
#endif
-/* YYINITDEPTH indicates the initial size of the parser's stacks */
-
-#ifndef YYINITDEPTH
-#define YYINITDEPTH 200
-#endif
-/* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
+/* YYLEX -- calling `yylex' with the right arguments. */
-#if YYMAXDEPTH == 0
-#undef YYMAXDEPTH
+#ifdef YYLEX_PARAM
+# define YYLEX yylex (YYLEX_PARAM)
+#else
+# define YYLEX yylex ()
#endif
-#ifndef YYMAXDEPTH
-#define YYMAXDEPTH 10000
-#endif
-\f
-/* Define __yy_memcpy. Note that the size argument
- should be passed with type unsigned int, because that is what the non-GCC
- definitions require. With GCC, __builtin_memcpy takes an arg
- of type size_t, but it can handle unsigned int. */
-
-#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
-#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
-#else /* not GNU C or C++ */
-#ifndef __cplusplus
-
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
+/* Enable debugging if requested. */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF Args; \
+} while (YYID (0))
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
+do { \
+ if (yydebug) \
+ { \
+ YYFPRINTF (stderr, "%s ", Title); \
+ yy_symbol_print (stderr, \
+ Type, Value); \
+ YYFPRINTF (stderr, "\n"); \
+ } \
+} while (YYID (0))
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
+#else
static void
-__yy_memcpy (to, from, count)
- char *to;
- char *from;
- unsigned int count;
+yy_symbol_value_print (yyoutput, yytype, yyvaluep)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE const * const yyvaluep;
+#endif
{
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
+ if (!yyvaluep)
+ return;
+# ifdef YYPRINT
+ if (yytype < YYNTOKENS)
+ YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# else
+ YYUSE (yyoutput);
+# endif
+ switch (yytype)
+ {
+ default:
+ break;
+ }
}
-#else /* __cplusplus */
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
+/*--------------------------------.
+| Print this symbol on YYOUTPUT. |
+`--------------------------------*/
+
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
+#else
static void
-__yy_memcpy (char *to, char *from, unsigned int count)
+yy_symbol_print (yyoutput, yytype, yyvaluep)
+ FILE *yyoutput;
+ int yytype;
+ YYSTYPE const * const yyvaluep;
+#endif
{
- register char *t = to;
- register char *f = from;
- register int i = count;
+ if (yytype < YYNTOKENS)
+ YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+ else
+ YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
- while (i-- > 0)
- *t++ = *f++;
+ yy_symbol_value_print (yyoutput, yytype, yyvaluep);
+ YYFPRINTF (yyoutput, ")");
}
-#endif
-#endif
-\f
-#line 217 "/usr/local/share/bison.simple"
-
-/* The user can define YYPARSE_PARAM as the name of an argument to be passed
- into yyparse. The argument should have type void *.
- It should actually point to an object.
- Grammar actions can access the variable by casting it
- to the proper pointer type. */
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included). |
+`------------------------------------------------------------------*/
-#ifdef YYPARSE_PARAM
-#ifdef __cplusplus
-#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
-#define YYPARSE_PARAM_DECL
-#else /* not __cplusplus */
-#define YYPARSE_PARAM_ARG YYPARSE_PARAM
-#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
-#endif /* not __cplusplus */
-#else /* not YYPARSE_PARAM */
-#define YYPARSE_PARAM_ARG
-#define YYPARSE_PARAM_DECL
-#endif /* not YYPARSE_PARAM */
-
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-#ifdef YYPARSE_PARAM
-int yyparse (void *);
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
#else
-int yyparse (void);
-#endif
+static void
+yy_stack_print (bottom, top)
+ yytype_int16 *bottom;
+ yytype_int16 *top;
#endif
-
-int
-yyparse(YYPARSE_PARAM_ARG)
- YYPARSE_PARAM_DECL
{
- register int yystate;
- register int yyn;
- register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
+ YYFPRINTF (stderr, "Stack now");
+ for (; bottom <= top; ++bottom)
+ YYFPRINTF (stderr, " %d", *bottom);
+ YYFPRINTF (stderr, "\n");
+}
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
+# define YY_STACK_PRINT(Bottom, Top) \
+do { \
+ if (yydebug) \
+ yy_stack_print ((Bottom), (Top)); \
+} while (YYID (0))
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
-#ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced. |
+`------------------------------------------------*/
-#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yy_reduce_print (YYSTYPE *yyvsp, int yyrule)
#else
-#define YYPOPSTACK (yyvsp--, yyssp--)
+static void
+yy_reduce_print (yyvsp, yyrule)
+ YYSTYPE *yyvsp;
+ int yyrule;
#endif
+{
+ int yynrhs = yyr2[yyrule];
+ int yyi;
+ unsigned long int yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+ yyrule - 1, yylno);
+ /* The symbols being reduced. */
+ for (yyi = 0; yyi < yynrhs; yyi++)
+ {
+ fprintf (stderr, " $%d = ", yyi + 1);
+ yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
+ &(yyvsp[(yyi + 1) - (yynrhs)])
+ );
+ fprintf (stderr, "\n");
+ }
+}
- int yystacksize = YYINITDEPTH;
- int yyfree_stacks = 0;
-
-#ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
-#ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
-#endif
-#endif
+# define YY_REDUCE_PRINT(Rule) \
+do { \
+ if (yydebug) \
+ yy_reduce_print (yyvsp, Rule); \
+} while (YYID (0))
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
+/* Nonzero means print parse trace. It is left uninitialized so that
+ multiple parsers can coexist. */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
- int yylen;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
+/* YYINITDEPTH -- initial size of the parser's stacks. */
+#ifndef YYINITDEPTH
+# define YYINITDEPTH 200
#endif
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used).
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
+ Do not make this value too large; the results are undefined if
+ YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
- yyssp = yyss - 1;
- yyvsp = yyvs;
-#ifdef YYLSP_NEEDED
- yylsp = yyls;
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
#endif
-/* Push a new state, which is found in yystate . */
-/* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks. */
-yynewstate:
+\f
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+# if defined __GLIBC__ && defined _STRING_H
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static YYSIZE_T
+yystrlen (const char *yystr)
+#else
+static YYSIZE_T
+yystrlen (yystr)
+ const char *yystr;
+#endif
+{
+ YYSIZE_T yylen;
+ for (yylen = 0; yystr[yylen]; yylen++)
+ continue;
+ return yylen;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+#else
+static char *
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+#endif
+{
+ char *yyd = yydest;
+ const char *yys = yysrc;
- *++yyssp = yystate;
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
- if (yyssp >= yyss + yystacksize - 1)
+ return yyd - 1;
+}
+# endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+ quotes and backslashes, so that it's suitable for yyerror. The
+ heuristic is that double-quoting is unnecessary unless the string
+ contains an apostrophe, a comma, or backslash (other than
+ backslash-backslash). YYSTR is taken from yytname. If YYRES is
+ null, do not copy; instead, return the length of what the result
+ would have been. */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+ if (*yystr == '"')
{
- /* Give user a chance to reallocate the stack */
- /* Use copies of these so that the &'s don't force the real ones into memory. */
- YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
-#ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
-#endif
+ YYSIZE_T yyn = 0;
+ char const *yyp = yystr;
+
+ for (;;)
+ switch (*++yyp)
+ {
+ case '\'':
+ case ',':
+ goto do_not_strip_quotes;
+
+ case '\\':
+ if (*++yyp != '\\')
+ goto do_not_strip_quotes;
+ /* Fall through. */
+ default:
+ if (yyres)
+ yyres[yyn] = *yyp;
+ yyn++;
+ break;
+
+ case '"':
+ if (yyres)
+ yyres[yyn] = '\0';
+ return yyn;
+ }
+ do_not_strip_quotes: ;
+ }
- /* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
+ if (! yyres)
+ return yystrlen (yystr);
-#ifdef yyoverflow
- /* Each stack pointer address is followed by the size of
- the data in use in that stack, in bytes. */
-#ifdef YYLSP_NEEDED
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
-#else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
-#endif
+ return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into YYRESULT an error message about the unexpected token
+ YYCHAR while in state YYSTATE. Return the number of bytes copied,
+ including the terminating null byte. If YYRESULT is null, do not
+ copy anything; just return the number of bytes that would be
+ copied. As a special case, return 0 if an ordinary "syntax error"
+ message will do. Return YYSIZE_MAXIMUM if overflow occurs during
+ size calculation. */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
+{
+ int yyn = yypact[yystate];
- yyss = yyss1; yyvs = yyvs1;
-#ifdef YYLSP_NEEDED
- yyls = yyls1;
-#endif
-#else /* no yyoverflow */
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
+ if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+ return 0;
+ else
+ {
+ int yytype = YYTRANSLATE (yychar);
+ YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+ YYSIZE_T yysize = yysize0;
+ YYSIZE_T yysize1;
+ int yysize_overflow = 0;
+ enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+ int yyx;
+
+# if 0
+ /* This is so xgettext sees the translatable formats that are
+ constructed on the fly. */
+ YY_("syntax error, unexpected %s");
+ YY_("syntax error, unexpected %s, expecting %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+ char *yyfmt;
+ char const *yyf;
+ static char const yyunexpected[] = "syntax error, unexpected %s";
+ static char const yyexpecting[] = ", expecting %s";
+ static char const yyor[] = " or %s";
+ char yyformat[sizeof yyunexpected
+ + sizeof yyexpecting - 1
+ + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+ * (sizeof yyor - 1))];
+ char const *yyprefix = yyexpecting;
+
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ int yyxbegin = yyn < 0 ? -yyn : 0;
+
+ /* Stay within bounds of both yycheck and yytname. */
+ int yychecklim = YYLAST - yyn + 1;
+ int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+ int yycount = 1;
+
+ yyarg[0] = yytname[yytype];
+ yyfmt = yystpcpy (yyformat, yyunexpected);
+
+ for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ yycount = 1;
+ yysize = yysize0;
+ yyformat[sizeof yyunexpected - 1] = '\0';
+ break;
+ }
+ yyarg[yycount++] = yytname[yyx];
+ yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+ yyfmt = yystpcpy (yyfmt, yyprefix);
+ yyprefix = yyor;
+ }
+
+ yyf = YY_(yyformat);
+ yysize1 = yysize + yystrlen (yyf);
+ yysize_overflow |= (yysize1 < yysize);
+ yysize = yysize1;
+
+ if (yysize_overflow)
+ return YYSIZE_MAXIMUM;
+
+ if (yyresult)
{
- yyerror("parser stack overflow");
- if (yyfree_stacks)
+ /* Avoid sprintf, as that infringes on the user's name space.
+ Don't have undefined behavior even if the translation
+ produced a string with the wrong number of "%s"s. */
+ char *yyp = yyresult;
+ int yyi = 0;
+ while ((*yyp = *yyf) != '\0')
{
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
-#endif
+ if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyf += 2;
+ }
+ else
+ {
+ yyp++;
+ yyf++;
+ }
}
- return 2;
}
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
-#ifndef YYSTACK_USE_ALLOCA
- yyfree_stacks = 1;
+ return yysize;
+ }
+}
+#endif /* YYERROR_VERBOSE */
+\f
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol. |
+`-----------------------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
+#else
+static void
+yydestruct (yymsg, yytype, yyvaluep)
+ const char *yymsg;
+ int yytype;
+ YYSTYPE *yyvaluep;
+#endif
+{
+ YYUSE (yyvaluep);
+
+ if (!yymsg)
+ yymsg = "Deleting";
+ YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+ switch (yytype)
+ {
+
+ default:
+ break;
+ }
+}
+\f
+
+/* Prevent warnings from -Wmissing-prototypes. */
+
+#ifdef YYPARSE_PARAM
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void *YYPARSE_PARAM);
+#else
+int yyparse ();
#endif
- yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
- __yy_memcpy ((char *)yyss, (char *)yyss1,
- size * (unsigned int) sizeof (*yyssp));
- yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
- __yy_memcpy ((char *)yyvs, (char *)yyvs1,
- size * (unsigned int) sizeof (*yyvsp));
-#ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
- __yy_memcpy ((char *)yyls, (char *)yyls1,
- size * (unsigned int) sizeof (*yylsp));
+#else /* ! YYPARSE_PARAM */
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void);
+#else
+int yyparse ();
#endif
-#endif /* no yyoverflow */
+#endif /* ! YYPARSE_PARAM */
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
-#ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
+
+
+/* The look-ahead symbol. */
+int yychar;
+
+/* The semantic value of the look-ahead symbol. */
+YYSTYPE yylval;
+
+/* Number of syntax errors so far. */
+int yynerrs;
+
+
+
+/*----------.
+| yyparse. |
+`----------*/
+
+#ifdef YYPARSE_PARAM
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void *YYPARSE_PARAM)
+#else
+int
+yyparse (YYPARSE_PARAM)
+ void *YYPARSE_PARAM;
#endif
+#else /* ! YYPARSE_PARAM */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+ || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void)
+#else
+int
+yyparse ()
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
#endif
+#endif
+{
+
+ int yystate;
+ int yyn;
+ int yyresult;
+ /* Number of tokens to shift before error messages enabled. */
+ int yyerrstatus;
+ /* Look-ahead token as an internal (translated) token number. */
+ int yytoken = 0;
+#if YYERROR_VERBOSE
+ /* Buffer for error messages, and its allocated size. */
+ char yymsgbuf[128];
+ char *yymsg = yymsgbuf;
+ YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+ /* Three stacks and their tools:
+ `yyss': related to states,
+ `yyvs': related to semantic values,
+ `yyls': related to locations.
- if (yyssp >= yyss + yystacksize - 1)
+ Refer to the stacks thru separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ yytype_int16 yyssa[YYINITDEPTH];
+ yytype_int16 *yyss = yyssa;
+ yytype_int16 *yyssp;
+
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs = yyvsa;
+ YYSTYPE *yyvsp;
+
+
+
+#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
+
+ YYSIZE_T yystacksize = YYINITDEPTH;
+
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+
+
+ /* The number of symbols on the RHS of the reduced rule.
+ Keep to zero when no symbol should be popped. */
+ int yylen = 0;
+
+ YYDPRINTF ((stderr, "Starting parse\n"));
+
+ yystate = 0;
+ yyerrstatus = 0;
+ yynerrs = 0;
+ yychar = YYEMPTY; /* Cause a token to be read. */
+
+ /* Initialize stack pointers.
+ Waste one element of value and location stack
+ so that they stay on the same level as the state stack.
+ The wasted elements are never initialized. */
+
+ yyssp = yyss;
+ yyvsp = yyvs;
+
+ goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+ yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. So pushing a state here evens the stacks. */
+ yyssp++;
+
+ yysetstate:
+ *yyssp = yystate;
+
+ if (yyss + yystacksize - 1 <= yyssp)
+ {
+ /* Get the current used size of the three stacks, in elements. */
+ YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+ {
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into
+ memory. */
+ YYSTYPE *yyvs1 = yyvs;
+ yytype_int16 *yyss1 = yyss;
+
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. This used to be a
+ conditional around just the two extra args, but that might
+ be undefined if yyoverflow is a macro. */
+ yyoverflow (YY_("memory exhausted"),
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+
+ &yystacksize);
+
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+ goto yyexhaustedlab;
+# else
+ /* Extend the stack our own way. */
+ if (YYMAXDEPTH <= yystacksize)
+ goto yyexhaustedlab;
+ yystacksize *= 2;
+ if (YYMAXDEPTH < yystacksize)
+ yystacksize = YYMAXDEPTH;
+
+ {
+ yytype_int16 *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyexhaustedlab;
+ YYSTACK_RELOCATE (yyss);
+ YYSTACK_RELOCATE (yyvs);
+
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
+# endif
+#endif /* no yyoverflow */
+
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+
+
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
+
+ if (yyss + yystacksize - 1 <= yyssp)
YYABORT;
}
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
-#endif
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
goto yybackup;
- yybackup:
-/* Do appropriate processing given the current state. */
-/* Read a lookahead token if we need one and don't already have one. */
-/* yyresume: */
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
- /* First try to decide what to do without reference to lookahead token. */
+ /* Do appropriate processing given the current state. Read a
+ look-ahead token if we need one and don't already have one. */
+ /* First try to decide what to do without reference to look-ahead token. */
yyn = yypact[yystate];
- if (yyn == YYFLAG)
+ if (yyn == YYPACT_NINF)
goto yydefault;
- /* Not known => get a lookahead token if don't already have one. */
-
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
+ /* Not known => get a look-ahead token if don't already have one. */
+ /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */
if (yychar == YYEMPTY)
{
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
-#endif
+ YYDPRINTF ((stderr, "Reading a token: "));
yychar = YYLEX;
}
- /* Convert token to internal form (in yychar1) for indexing tables with */
-
- if (yychar <= 0) /* This means end of input. */
+ if (yychar <= YYEOF)
{
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
-#endif
+ yychar = yytoken = YYEOF;
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
}
else
{
- yychar1 = YYTRANSLATE(yychar);
-
-#if YYDEBUG != 0
- if (yydebug)
- {
- fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
-#ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
-#endif
- fprintf (stderr, ")\n");
- }
-#endif
+ yytoken = YYTRANSLATE (yychar);
+ YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
}
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
+ /* If the proper action on seeing token YYTOKEN is to reduce or to
+ detect an error, take that action. */
+ yyn += yytoken;
+ if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
goto yydefault;
-
yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
+ if (yyn <= 0)
{
- if (yyn == YYFLAG)
+ if (yyn == 0 || yyn == YYTABLE_NINF)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
- else if (yyn == 0)
- goto yyerrlab;
if (yyn == YYFINAL)
YYACCEPT;
- /* Shift the lookahead token. */
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
-#endif
+ /* Shift the look-ahead token. */
+ YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
- /* Discard the token being shifted unless it is eof. */
+ /* Discard the shifted token unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
+ yystate = yyn;
*++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
- /* count tokens shifted since error; after three, turn off error status. */
- if (yyerrstatus) yyerrstatus--;
-
- yystate = yyn;
goto yynewstate;
-/* Do the default action for the current state. */
-yydefault:
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
+ goto yyreduce;
+
-/* Do a reduction. yyn is the number of a rule to reduce with. */
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
yyreduce:
+ /* yyn is the number of a rule to reduce with. */
yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-#if YYDEBUG != 0
- if (yydebug)
- {
- int i;
-
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
-#endif
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+ Otherwise, the following line sets YYVAL to garbage.
+ This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
- switch (yyn) {
-case 1:
-#line 283 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ YY_REDUCE_PRINT (yyn);
+ switch (yyn)
+ {
+ case 2:
+#line 370 "/Users/chet/src/bash/src/parse.y"
+ {
/* Case of regular command. Discard the error
safety net,and return the command just parsed. */
- global_command = yyvsp[-1].command;
+ global_command = (yyvsp[(1) - (2)].command);
eof_encountered = 0;
- discard_parser_constructs (0);
+ /* discard_parser_constructs (0); */
+ if (parser_state & PST_CMDSUBST)
+ parser_state |= PST_EOFTOKEN;
YYACCEPT;
- ;
- break;}
-case 2:
-#line 292 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ }
+ break;
+
+ case 3:
+#line 381 "/Users/chet/src/bash/src/parse.y"
+ {
/* Case of regular command, but not a very
interesting one. Return a NULL command. */
global_command = (COMMAND *)NULL;
+ if (parser_state & PST_CMDSUBST)
+ parser_state |= PST_EOFTOKEN;
YYACCEPT;
- ;
- break;}
-case 3:
-#line 299 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ }
+ break;
+
+ case 4:
+#line 390 "/Users/chet/src/bash/src/parse.y"
+ {
/* Error during parsing. Return NULL command. */
global_command = (COMMAND *)NULL;
eof_encountered = 0;
- discard_parser_constructs (1);
- if (interactive)
+ /* discard_parser_constructs (1); */
+ if (interactive && parse_and_execute_level == 0)
{
YYACCEPT;
}
{
YYABORT;
}
- ;
- break;}
-case 4:
-#line 314 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ }
+ break;
+
+ case 5:
+#line 405 "/Users/chet/src/bash/src/parse.y"
+ {
/* Case of EOF seen by itself. Do ignoreeof or
not. */
global_command = (COMMAND *)NULL;
handle_eof_input_unit ();
YYACCEPT;
- ;
- break;}
-case 5:
-#line 324 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, (WORD_LIST *)NULL); ;
- break;}
-case 6:
-#line 326 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, yyvsp[-1].word_list); ;
- break;}
-case 7:
-#line 330 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_output_direction, redir);
- ;
- break;}
-case 8:
-#line 335 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_input_direction, redir);
- ;
- break;}
-case 9:
-#line 340 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_output_direction, redir);
- ;
- break;}
-case 10:
-#line 345 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_input_direction, redir);
- ;
- break;}
-case 11:
-#line 350 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_appending_to, redir);
- ;
- break;}
-case 12:
-#line 355 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_appending_to, redir);
- ;
- break;}
-case 13:
-#line 360 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_reading_until, redir);
- redir_stack[need_here_doc++] = yyval.redirect;
- ;
- break;}
-case 14:
-#line 366 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_reading_until, redir);
- redir_stack[need_here_doc++] = yyval.redirect;
- ;
- break;}
-case 15:
-#line 372 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (0, r_duplicating_input, redir);
- ;
- break;}
-case 16:
-#line 377 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_input, redir);
- ;
- break;}
-case 17:
-#line 382 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (1, r_duplicating_output, redir);
- ;
- break;}
-case 18:
-#line 387 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.dest = yyvsp[0].number;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_output, redir);
- ;
- break;}
-case 19:
-#line 392 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_duplicating_input_word, redir);
- ;
- break;}
-case 20:
-#line 397 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_input_word, redir);
- ;
- break;}
-case 21:
-#line 402 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_duplicating_output_word, redir);
- ;
- break;}
-case 22:
-#line 407 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_duplicating_output_word, redir);
- ;
- break;}
-case 23:
-#line 412 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection
+ }
+ break;
+
+ case 6:
+#line 415 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.word_list) = make_word_list ((yyvsp[(1) - (1)].word), (WORD_LIST *)NULL); }
+ break;
+
+ case 7:
+#line 417 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.word_list) = make_word_list ((yyvsp[(2) - (2)].word), (yyvsp[(1) - (2)].word_list)); }
+ break;
+
+ case 8:
+#line 421 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (1, r_output_direction, redir);
+ }
+ break;
+
+ case 9:
+#line 426 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (0, r_input_direction, redir);
+ }
+ break;
+
+ case 10:
+#line 431 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_output_direction, redir);
+ }
+ break;
+
+ case 11:
+#line 436 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_input_direction, redir);
+ }
+ break;
+
+ case 12:
+#line 441 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (1, r_appending_to, redir);
+ }
+ break;
+
+ case 13:
+#line 446 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_appending_to, redir);
+ }
+ break;
+
+ case 14:
+#line 451 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (0, r_reading_until, redir);
+ redir_stack[need_here_doc++] = (yyval.redirect);
+ }
+ break;
+
+ case 15:
+#line 457 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_reading_until, redir);
+ redir_stack[need_here_doc++] = (yyval.redirect);
+ }
+ break;
+
+ case 16:
+#line 463 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (0, r_reading_string, redir);
+ }
+ break;
+
+ case 17:
+#line 468 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_reading_string, redir);
+ }
+ break;
+
+ case 18:
+#line 473 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.dest = (yyvsp[(2) - (2)].number);
+ (yyval.redirect) = make_redirection (0, r_duplicating_input, redir);
+ }
+ break;
+
+ case 19:
+#line 478 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.dest = (yyvsp[(3) - (3)].number);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_duplicating_input, redir);
+ }
+ break;
+
+ case 20:
+#line 483 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.dest = (yyvsp[(2) - (2)].number);
+ (yyval.redirect) = make_redirection (1, r_duplicating_output, redir);
+ }
+ break;
+
+ case 21:
+#line 488 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.dest = (yyvsp[(3) - (3)].number);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_duplicating_output, redir);
+ }
+ break;
+
+ case 22:
+#line 493 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (0, r_duplicating_input_word, redir);
+ }
+ break;
+
+ case 23:
+#line 498 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_duplicating_input_word, redir);
+ }
+ break;
+
+ case 24:
+#line 503 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (1, r_duplicating_output_word, redir);
+ }
+ break;
+
+ case 25:
+#line 508 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_duplicating_output_word, redir);
+ }
+ break;
+
+ case 26:
+#line 513 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection
(0, r_deblank_reading_until, redir);
- redir_stack[need_here_doc++] = yyval.redirect;
- ;
- break;}
-case 24:
-#line 419 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection
- (yyvsp[-2].number, r_deblank_reading_until, redir);
- redir_stack[need_here_doc++] = yyval.redirect;
- ;
- break;}
-case 25:
-#line 426 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ redir_stack[need_here_doc++] = (yyval.redirect);
+ }
+ break;
+
+ case 27:
+#line 520 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection
+ ((yyvsp[(1) - (3)].number), r_deblank_reading_until, redir);
+ redir_stack[need_here_doc++] = (yyval.redirect);
+ }
+ break;
+
+ case 28:
+#line 527 "/Users/chet/src/bash/src/parse.y"
+ {
redir.dest = 0;
- yyval.redirect = make_redirection (1, r_close_this, redir);
- ;
- break;}
-case 26:
-#line 431 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ (yyval.redirect) = make_redirection (1, r_close_this, redir);
+ }
+ break;
+
+ case 29:
+#line 532 "/Users/chet/src/bash/src/parse.y"
+ {
redir.dest = 0;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_close_this, redir);
- ;
- break;}
-case 27:
-#line 436 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_close_this, redir);
+ }
+ break;
+
+ case 30:
+#line 537 "/Users/chet/src/bash/src/parse.y"
+ {
redir.dest = 0;
- yyval.redirect = make_redirection (0, r_close_this, redir);
- ;
- break;}
-case 28:
-#line 441 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ (yyval.redirect) = make_redirection (0, r_close_this, redir);
+ }
+ break;
+
+ case 31:
+#line 542 "/Users/chet/src/bash/src/parse.y"
+ {
redir.dest = 0;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_close_this, redir);
- ;
- break;}
-case 29:
-#line 446 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_err_and_out, redir);
- ;
- break;}
-case 30:
-#line 451 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_input_output, redir);
- ;
- break;}
-case 31:
-#line 456 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (0, r_input_output, redir);
- ;
- break;}
-case 32:
-#line 461 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (1, r_output_force, redir);
- ;
- break;}
-case 33:
-#line 466 "/usr/homes/chet/src/bash/src/parse.y"
-{
- redir.filename = yyvsp[0].word;
- yyval.redirect = make_redirection (yyvsp[-2].number, r_output_force, redir);
- ;
- break;}
-case 34:
-#line 473 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.element.word = yyvsp[0].word; yyval.element.redirect = 0; ;
- break;}
-case 35:
-#line 475 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.element.word = yyvsp[0].word; yyval.element.redirect = 0; ;
- break;}
-case 36:
-#line 477 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.element.redirect = yyvsp[0].redirect; yyval.element.word = 0; ;
- break;}
-case 37:
-#line 481 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.redirect = yyvsp[0].redirect;
- ;
- break;}
-case 38:
-#line 485 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_close_this, redir);
+ }
+ break;
+
+ case 32:
+#line 547 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (1, r_err_and_out, redir);
+ }
+ break;
+
+ case 33:
+#line 552 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (1, r_append_err_and_out, redir);
+ }
+ break;
+
+ case 34:
+#line 557 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_input_output, redir);
+ }
+ break;
+
+ case 35:
+#line 562 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (0, r_input_output, redir);
+ }
+ break;
+
+ case 36:
+#line 567 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(2) - (2)].word);
+ (yyval.redirect) = make_redirection (1, r_output_force, redir);
+ }
+ break;
+
+ case 37:
+#line 572 "/Users/chet/src/bash/src/parse.y"
+ {
+ redir.filename = (yyvsp[(3) - (3)].word);
+ (yyval.redirect) = make_redirection ((yyvsp[(1) - (3)].number), r_output_force, redir);
+ }
+ break;
+
+ case 38:
+#line 579 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.element).word = (yyvsp[(1) - (1)].word); (yyval.element).redirect = 0; }
+ break;
+
+ case 39:
+#line 581 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.element).word = (yyvsp[(1) - (1)].word); (yyval.element).redirect = 0; }
+ break;
+
+ case 40:
+#line 583 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.element).redirect = (yyvsp[(1) - (1)].redirect); (yyval.element).word = 0; }
+ break;
+
+ case 41:
+#line 587 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.redirect) = (yyvsp[(1) - (1)].redirect);
+ }
+ break;
+
+ case 42:
+#line 591 "/Users/chet/src/bash/src/parse.y"
+ {
register REDIRECT *t;
- for (t = yyvsp[-1].redirect; t->next; t = t->next)
+ for (t = (yyvsp[(1) - (2)].redirect); t->next; t = t->next)
;
- t->next = yyvsp[0].redirect;
- yyval.redirect = yyvsp[-1].redirect;
- ;
- break;}
-case 39:
-#line 496 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_simple_command (yyvsp[0].element, (COMMAND *)NULL); ;
- break;}
-case 40:
-#line 498 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_simple_command (yyvsp[0].element, yyvsp[-1].command); ;
- break;}
-case 41:
-#line 502 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = clean_simple_command (yyvsp[0].command); ;
- break;}
-case 42:
-#line 504 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 43:
-#line 506 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ t->next = (yyvsp[(2) - (2)].redirect);
+ (yyval.redirect) = (yyvsp[(1) - (2)].redirect);
+ }
+ break;
+
+ case 43:
+#line 602 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_simple_command ((yyvsp[(1) - (1)].element), (COMMAND *)NULL); }
+ break;
+
+ case 44:
+#line 604 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_simple_command ((yyvsp[(2) - (2)].element), (yyvsp[(1) - (2)].command)); }
+ break;
+
+ case 45:
+#line 608 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = clean_simple_command ((yyvsp[(1) - (1)].command)); }
+ break;
+
+ case 46:
+#line 610 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 47:
+#line 612 "/Users/chet/src/bash/src/parse.y"
+ {
COMMAND *tc;
- tc = yyvsp[-1].command;
+ tc = (yyvsp[(1) - (2)].command);
if (tc->redirects)
{
register REDIRECT *t;
for (t = tc->redirects; t->next; t = t->next)
;
- t->next = yyvsp[0].redirect;
+ t->next = (yyvsp[(2) - (2)].redirect);
}
else
- tc->redirects = yyvsp[0].redirect;
- yyval.command = yyvsp[-1].command;
- ;
- break;}
-case 44:
-#line 522 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 45:
-#line 526 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 46:
-#line 528 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 47:
-#line 530 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_while_command (yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 48:
-#line 532 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_until_command (yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 49:
-#line 534 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 50:
-#line 536 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 51:
-#line 538 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 52:
-#line 540 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 53:
-#line 542 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 54:
-#line 544 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 55:
-#line 546 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 56:
-#line 550 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-4].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command); ;
- break;}
-case 57:
-#line 552 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-4].word, add_string_to_list ("$@", (WORD_LIST *)NULL), yyvsp[-1].command); ;
- break;}
-case 58:
-#line 554 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command); ;
- break;}
-case 59:
-#line 556 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command); ;
- break;}
-case 60:
-#line 558 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-8].word, REVERSE_LIST (yyvsp[-5].word_list, WORD_LIST *), yyvsp[-1].command); ;
- break;}
-case 61:
-#line 560 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-8].word, REVERSE_LIST (yyvsp[-5].word_list, WORD_LIST *), yyvsp[-1].command); ;
- break;}
-case 62:
-#line 562 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-7].word, (WORD_LIST *)NULL, yyvsp[-1].command); ;
- break;}
-case 63:
-#line 564 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_for_command (yyvsp[-7].word, (WORD_LIST *)NULL, yyvsp[-1].command); ;
- break;}
-case 64:
-#line 568 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_for_command (yyvsp[-5].word_list, yyvsp[-1].command, arith_for_lineno); ;
- break;}
-case 65:
-#line 570 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_for_command (yyvsp[-5].word_list, yyvsp[-1].command, arith_for_lineno); ;
- break;}
-case 66:
-#line 572 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_for_command (yyvsp[-3].word_list, yyvsp[-1].command, arith_for_lineno); ;
- break;}
-case 67:
-#line 574 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_for_command (yyvsp[-3].word_list, yyvsp[-1].command, arith_for_lineno); ;
- break;}
-case 68:
-#line 578 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-4].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command);
- ;
- break;}
-case 69:
-#line 582 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-4].word, add_string_to_list ("$@", (WORD_LIST *)NULL), yyvsp[-1].command);
- ;
- break;}
-case 70:
-#line 586 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command);
- ;
- break;}
-case 71:
-#line 590 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-5].word, add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), yyvsp[-1].command);
- ;
- break;}
-case 72:
-#line 594 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-8].word, (WORD_LIST *)reverse_list (yyvsp[-5].word_list), yyvsp[-1].command);
- ;
- break;}
-case 73:
-#line 598 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_select_command (yyvsp[-8].word, (WORD_LIST *)reverse_list (yyvsp[-5].word_list), yyvsp[-1].command);
- ;
- break;}
-case 74:
-#line 604 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_case_command (yyvsp[-4].word, (PATTERN_LIST *)NULL); ;
- break;}
-case 75:
-#line 606 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_case_command (yyvsp[-5].word, yyvsp[-2].pattern); ;
- break;}
-case 76:
-#line 608 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_case_command (yyvsp[-4].word, yyvsp[-1].pattern); ;
- break;}
-case 77:
-#line 612 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-4].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 78:
-#line 615 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-4].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 79:
-#line 618 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_function_def (yyvsp[-2].word, yyvsp[0].command, function_dstart, function_bstart); ;
- break;}
-case 80:
-#line 623 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 81:
-#line 625 "/usr/homes/chet/src/bash/src/parse.y"
-{
+ tc->redirects = (yyvsp[(2) - (2)].redirect);
+ (yyval.command) = (yyvsp[(1) - (2)].command);
+ }
+ break;
+
+ case 48:
+#line 628 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 49:
+#line 630 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 50:
+#line 634 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 51:
+#line 636 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 52:
+#line 638 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_while_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command)); }
+ break;
+
+ case 53:
+#line 640 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_until_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command)); }
+ break;
+
+ case 54:
+#line 642 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 55:
+#line 644 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 56:
+#line 646 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 57:
+#line 648 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 58:
+#line 650 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 59:
+#line 652 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 60:
+#line 654 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 61:
+#line 658 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 62:
+#line 663 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 63:
+#line 668 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 64:
+#line 673 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 65:
+#line 678 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 66:
+#line 683 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 67:
+#line 688 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[(2) - (9)].word), (WORD_LIST *)NULL, (yyvsp[(8) - (9)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 68:
+#line 693 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_for_command ((yyvsp[(2) - (9)].word), (WORD_LIST *)NULL, (yyvsp[(8) - (9)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 69:
+#line 700 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_arith_for_command ((yyvsp[(2) - (7)].word_list), (yyvsp[(6) - (7)].command), arith_for_lineno);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 70:
+#line 705 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_arith_for_command ((yyvsp[(2) - (7)].word_list), (yyvsp[(6) - (7)].command), arith_for_lineno);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 71:
+#line 710 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_arith_for_command ((yyvsp[(2) - (5)].word_list), (yyvsp[(4) - (5)].command), arith_for_lineno);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 72:
+#line 715 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_arith_for_command ((yyvsp[(2) - (5)].word_list), (yyvsp[(4) - (5)].command), arith_for_lineno);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 73:
+#line 722 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_select_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 74:
+#line 727 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_select_command ((yyvsp[(2) - (6)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(5) - (6)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 75:
+#line 732 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_select_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 76:
+#line 737 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_select_command ((yyvsp[(2) - (7)].word), add_string_to_list ("\"$@\"", (WORD_LIST *)NULL), (yyvsp[(6) - (7)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 77:
+#line 742 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_select_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 78:
+#line 747 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_select_command ((yyvsp[(2) - (10)].word), REVERSE_LIST ((yyvsp[(5) - (10)].word_list), WORD_LIST *), (yyvsp[(9) - (10)].command), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 79:
+#line 754 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_case_command ((yyvsp[(2) - (6)].word), (PATTERN_LIST *)NULL, word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 80:
+#line 759 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_case_command ((yyvsp[(2) - (7)].word), (yyvsp[(5) - (7)].pattern), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 81:
+#line 764 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_case_command ((yyvsp[(2) - (6)].word), (yyvsp[(5) - (6)].pattern), word_lineno[word_top]);
+ if (word_top > 0) word_top--;
+ }
+ break;
+
+ case 82:
+#line 771 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_function_def ((yyvsp[(1) - (5)].word), (yyvsp[(5) - (5)].command), function_dstart, function_bstart); }
+ break;
+
+ case 83:
+#line 774 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_function_def ((yyvsp[(2) - (6)].word), (yyvsp[(6) - (6)].command), function_dstart, function_bstart); }
+ break;
+
+ case 84:
+#line 777 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_function_def ((yyvsp[(2) - (4)].word), (yyvsp[(4) - (4)].command), function_dstart, function_bstart); }
+ break;
+
+ case 85:
+#line 781 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 86:
+#line 783 "/Users/chet/src/bash/src/parse.y"
+ {
COMMAND *tc;
- tc = yyvsp[-1].command;
+ tc = (yyvsp[(1) - (2)].command);
/* According to Posix.2 3.9.5, redirections
specified after the body of a function should
be attached to the function and performed when
register REDIRECT *t;
for (t = tc->redirects; t->next; t = t->next)
;
- t->next = yyvsp[0].redirect;
+ t->next = (yyvsp[(2) - (2)].redirect);
+ }
+ else
+ tc->redirects = (yyvsp[(2) - (2)].redirect);
+ (yyval.command) = (yyvsp[(1) - (2)].command);
+ }
+ break;
+
+ case 87:
+#line 814 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_subshell_command ((yyvsp[(2) - (3)].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL;
+ }
+ break;
+
+ case 88:
+#line 821 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_coproc_command ("COPROC", (yyvsp[(2) - (2)].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+ break;
+
+ case 89:
+#line 826 "/Users/chet/src/bash/src/parse.y"
+ {
+ COMMAND *tc;
+
+ tc = (yyvsp[(2) - (3)].command);
+ if (tc->redirects)
+ {
+ register REDIRECT *t;
+ for (t = tc->redirects; t->next; t = t->next)
+ ;
+ t->next = (yyvsp[(3) - (3)].redirect);
+ }
+ else
+ tc->redirects = (yyvsp[(3) - (3)].redirect);
+ (yyval.command) = make_coproc_command ("COPROC", (yyvsp[(2) - (3)].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+ break;
+
+ case 90:
+#line 843 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_coproc_command ((yyvsp[(2) - (3)].word)->word, (yyvsp[(3) - (3)].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+ break;
+
+ case 91:
+#line 848 "/Users/chet/src/bash/src/parse.y"
+ {
+ COMMAND *tc;
+
+ tc = (yyvsp[(3) - (4)].command);
+ if (tc->redirects)
+ {
+ register REDIRECT *t;
+ for (t = tc->redirects; t->next; t = t->next)
+ ;
+ t->next = (yyvsp[(4) - (4)].redirect);
}
else
- tc->redirects = yyvsp[0].redirect;
- yyval.command = yyvsp[-1].command;
- ;
- break;}
-case 82:
-#line 656 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = make_subshell_command (yyvsp[-1].command);
- yyval.command->flags |= CMD_WANT_SUBSHELL;
- ;
- break;}
-case 83:
-#line 663 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-3].command, yyvsp[-1].command, (COMMAND *)NULL); ;
- break;}
-case 84:
-#line 665 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-5].command, yyvsp[-3].command, yyvsp[-1].command); ;
- break;}
-case 85:
-#line 667 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-4].command, yyvsp[-2].command, yyvsp[-1].command); ;
- break;}
-case 86:
-#line 672 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_group_command (yyvsp[-1].command); ;
- break;}
-case 87:
-#line 676 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_arith_command (yyvsp[0].word_list); ;
- break;}
-case 88:
-#line 680 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[-1].command; ;
- break;}
-case 89:
-#line 684 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-2].command, yyvsp[0].command, (COMMAND *)NULL); ;
- break;}
-case 90:
-#line 686 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-4].command, yyvsp[-2].command, yyvsp[0].command); ;
- break;}
-case 91:
-#line 688 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = make_if_command (yyvsp[-3].command, yyvsp[-1].command, yyvsp[0].command); ;
- break;}
-case 93:
-#line 693 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyvsp[0].pattern->next = yyvsp[-1].pattern; yyval.pattern = yyvsp[0].pattern; ;
- break;}
-case 94:
-#line 697 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, yyvsp[0].command); ;
- break;}
-case 95:
-#line 699 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, (COMMAND *)NULL); ;
- break;}
-case 96:
-#line 701 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, yyvsp[0].command); ;
- break;}
-case 97:
-#line 703 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.pattern = make_pattern_list (yyvsp[-2].word_list, (COMMAND *)NULL); ;
- break;}
-case 99:
-#line 708 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyvsp[-1].pattern->next = yyvsp[-2].pattern; yyval.pattern = yyvsp[-1].pattern; ;
- break;}
-case 100:
-#line 712 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, (WORD_LIST *)NULL); ;
- break;}
-case 101:
-#line 714 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.word_list = make_word_list (yyvsp[0].word, yyvsp[-2].word_list); ;
- break;}
-case 102:
-#line 723 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
+ tc->redirects = (yyvsp[(4) - (4)].redirect);
+ (yyval.command) = make_coproc_command ((yyvsp[(2) - (4)].word)->word, (yyvsp[(3) - (4)].command));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+ break;
+
+ case 92:
+#line 865 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = make_coproc_command ("COPROC", clean_simple_command ((yyvsp[(2) - (2)].command)));
+ (yyval.command)->flags |= CMD_WANT_SUBSHELL|CMD_COPROC_SUBSHELL;
+ }
+ break;
+
+ case 93:
+#line 872 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command), (COMMAND *)NULL); }
+ break;
+
+ case 94:
+#line 874 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[(2) - (7)].command), (yyvsp[(4) - (7)].command), (yyvsp[(6) - (7)].command)); }
+ break;
+
+ case 95:
+#line 876 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[(2) - (6)].command), (yyvsp[(4) - (6)].command), (yyvsp[(5) - (6)].command)); }
+ break;
+
+ case 96:
+#line 881 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_group_command ((yyvsp[(2) - (3)].command)); }
+ break;
+
+ case 97:
+#line 885 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_arith_command ((yyvsp[(1) - (1)].word_list)); }
+ break;
+
+ case 98:
+#line 889 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(2) - (3)].command); }
+ break;
+
+ case 99:
+#line 893 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[(2) - (4)].command), (yyvsp[(4) - (4)].command), (COMMAND *)NULL); }
+ break;
+
+ case 100:
+#line 895 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[(2) - (6)].command), (yyvsp[(4) - (6)].command), (yyvsp[(6) - (6)].command)); }
+ break;
+
+ case 101:
+#line 897 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = make_if_command ((yyvsp[(2) - (5)].command), (yyvsp[(4) - (5)].command), (yyvsp[(5) - (5)].command)); }
+ break;
+
+ case 103:
+#line 902 "/Users/chet/src/bash/src/parse.y"
+ { (yyvsp[(2) - (2)].pattern)->next = (yyvsp[(1) - (2)].pattern); (yyval.pattern) = (yyvsp[(2) - (2)].pattern); }
+ break;
+
+ case 104:
+#line 906 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = make_pattern_list ((yyvsp[(2) - (4)].word_list), (yyvsp[(4) - (4)].command)); }
+ break;
+
+ case 105:
+#line 908 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = make_pattern_list ((yyvsp[(2) - (4)].word_list), (COMMAND *)NULL); }
+ break;
+
+ case 106:
+#line 910 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = make_pattern_list ((yyvsp[(3) - (5)].word_list), (yyvsp[(5) - (5)].command)); }
+ break;
+
+ case 107:
+#line 912 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = make_pattern_list ((yyvsp[(3) - (5)].word_list), (COMMAND *)NULL); }
+ break;
+
+ case 108:
+#line 916 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.pattern) = (yyvsp[(1) - (2)].pattern); }
+ break;
+
+ case 109:
+#line 918 "/Users/chet/src/bash/src/parse.y"
+ { (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); }
+ break;
+
+ case 110:
+#line 920 "/Users/chet/src/bash/src/parse.y"
+ { (yyvsp[(1) - (2)].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyval.pattern) = (yyvsp[(1) - (2)].pattern); }
+ break;
+
+ case 111:
+#line 922 "/Users/chet/src/bash/src/parse.y"
+ { (yyvsp[(2) - (3)].pattern)->flags |= CASEPAT_FALLTHROUGH; (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); }
+ break;
+
+ case 112:
+#line 924 "/Users/chet/src/bash/src/parse.y"
+ { (yyvsp[(1) - (2)].pattern)->flags |= CASEPAT_TESTNEXT; (yyval.pattern) = (yyvsp[(1) - (2)].pattern); }
+ break;
+
+ case 113:
+#line 926 "/Users/chet/src/bash/src/parse.y"
+ { (yyvsp[(2) - (3)].pattern)->flags |= CASEPAT_TESTNEXT; (yyvsp[(2) - (3)].pattern)->next = (yyvsp[(1) - (3)].pattern); (yyval.pattern) = (yyvsp[(2) - (3)].pattern); }
+ break;
+
+ case 114:
+#line 930 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.word_list) = make_word_list ((yyvsp[(1) - (1)].word), (WORD_LIST *)NULL); }
+ break;
+
+ case 115:
+#line 932 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.word_list) = make_word_list ((yyvsp[(3) - (3)].word), (yyvsp[(1) - (3)].word_list)); }
+ break;
+
+ case 116:
+#line 941 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[(2) - (2)].command);
if (need_here_doc)
gather_here_documents ();
- ;
- break;}
-case 104:
-#line 732 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 106:
-#line 739 "/usr/homes/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-2].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-2].command, (COMMAND *)NULL, '&');
+ }
+ break;
+
+ case 118:
+#line 950 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[(2) - (2)].command);
+ }
+ break;
+
+ case 120:
+#line 957 "/Users/chet/src/bash/src/parse.y"
+ {
+ if ((yyvsp[(1) - (3)].command)->type == cm_connection)
+ (yyval.command) = connect_async_list ((yyvsp[(1) - (3)].command), (COMMAND *)NULL, '&');
else
- yyval.command = command_connect (yyvsp[-2].command, (COMMAND *)NULL, '&');
- ;
- break;}
-case 108:
-#line 750 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, AND_AND); ;
- break;}
-case 109:
-#line 752 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, OR_OR); ;
- break;}
-case 110:
-#line 754 "/usr/homes/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-3].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-3].command, yyvsp[0].command, '&');
+ (yyval.command) = command_connect ((yyvsp[(1) - (3)].command), (COMMAND *)NULL, '&');
+ }
+ break;
+
+ case 122:
+#line 968 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), AND_AND); }
+ break;
+
+ case 123:
+#line 970 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), OR_OR); }
+ break;
+
+ case 124:
+#line 972 "/Users/chet/src/bash/src/parse.y"
+ {
+ if ((yyvsp[(1) - (4)].command)->type == cm_connection)
+ (yyval.command) = connect_async_list ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '&');
else
- yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, '&');
- ;
- break;}
-case 111:
-#line 761 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, ';'); ;
- break;}
-case 112:
-#line 763 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, ';'); ;
- break;}
-case 113:
-#line 765 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 119:
-#line 784 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[0].command;
+ (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '&');
+ }
+ break;
+
+ case 125:
+#line 979 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), ';'); }
+ break;
+
+ case 126:
+#line 981 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), ';'); }
+ break;
+
+ case 127:
+#line 983 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 130:
+#line 991 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.number) = '\n'; }
+ break;
+
+ case 131:
+#line 993 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.number) = ';'; }
+ break;
+
+ case 132:
+#line 995 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.number) = yacc_EOF; }
+ break;
+
+ case 135:
+#line 1009 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[(1) - (1)].command);
if (need_here_doc)
gather_here_documents ();
- ;
- break;}
-case 120:
-#line 790 "/usr/homes/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-1].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-1].command, (COMMAND *)NULL, '&');
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+ global_command = (yyvsp[(1) - (1)].command);
+ eof_encountered = 0;
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+ break;
+
+ case 136:
+#line 1022 "/Users/chet/src/bash/src/parse.y"
+ {
+ if ((yyvsp[(1) - (2)].command)->type == cm_connection)
+ (yyval.command) = connect_async_list ((yyvsp[(1) - (2)].command), (COMMAND *)NULL, '&');
else
- yyval.command = command_connect (yyvsp[-1].command, (COMMAND *)NULL, '&');
+ (yyval.command) = command_connect ((yyvsp[(1) - (2)].command), (COMMAND *)NULL, '&');
if (need_here_doc)
gather_here_documents ();
- ;
- break;}
-case 121:
-#line 799 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyval.command = yyvsp[-1].command;
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+ global_command = (yyvsp[(1) - (2)].command);
+ eof_encountered = 0;
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+ break;
+
+ case 137:
+#line 1038 "/Users/chet/src/bash/src/parse.y"
+ {
+ (yyval.command) = (yyvsp[(1) - (2)].command);
if (need_here_doc)
gather_here_documents ();
- ;
- break;}
-case 122:
-#line 807 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, AND_AND); ;
- break;}
-case 123:
-#line 809 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, OR_OR); ;
- break;}
-case 124:
-#line 811 "/usr/homes/chet/src/bash/src/parse.y"
-{
- if (yyvsp[-2].command->type == cm_connection)
- yyval.command = connect_async_list (yyvsp[-2].command, yyvsp[0].command, '&');
- else
- yyval.command = command_connect (yyvsp[-2].command, yyvsp[0].command, '&');
- ;
- break;}
-case 125:
-#line 818 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-2].command, yyvsp[0].command, ';'); ;
- break;}
-case 126:
-#line 821 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 127:
-#line 825 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 128:
-#line 827 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 129:
-#line 832 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-1].number;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 130:
-#line 837 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-2].number|CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 131:
-#line 842 "/usr/homes/chet/src/bash/src/parse.y"
-{
- yyvsp[0].command->flags |= yyvsp[-1].number|CMD_INVERT_RETURN;
- yyval.command = yyvsp[0].command;
- ;
- break;}
-case 132:
-#line 850 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = command_connect (yyvsp[-3].command, yyvsp[0].command, '|'); ;
- break;}
-case 133:
-#line 852 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.command = yyvsp[0].command; ;
- break;}
-case 134:
-#line 856 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.number = CMD_TIME_PIPELINE; ;
- break;}
-case 135:
-#line 858 "/usr/homes/chet/src/bash/src/parse.y"
-{ yyval.number = CMD_TIME_PIPELINE|CMD_TIME_POSIX; ;
- break;}
-}
- /* the action file gets copied in in place of this dollarsign */
-#line 543 "/usr/local/share/bison.simple"
-\f
- yyvsp -= yylen;
- yyssp -= yylen;
-#ifdef YYLSP_NEEDED
- yylsp -= yylen;
-#endif
+ if ((parser_state & PST_CMDSUBST) && current_token == shell_eof_token)
+ {
+ global_command = (yyvsp[(1) - (2)].command);
+ eof_encountered = 0;
+ rewind_input_string ();
+ YYACCEPT;
+ }
+ }
+ break;
-#if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
-#endif
+ case 138:
+#line 1053 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), AND_AND); }
+ break;
- *++yyvsp = yyval;
+ case 139:
+#line 1055 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), OR_OR); }
+ break;
-#ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
+ case 140:
+#line 1057 "/Users/chet/src/bash/src/parse.y"
{
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
+ if ((yyvsp[(1) - (3)].command)->type == cm_connection)
+ (yyval.command) = connect_async_list ((yyvsp[(1) - (3)].command), (yyvsp[(3) - (3)].command), '&');
+ else
+ (yyval.command) = command_connect ((yyvsp[(1) - (3)].command), (yyvsp[(3) - (3)].command), '&');
+ }
+ break;
+
+ case 141:
+#line 1064 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[(1) - (3)].command), (yyvsp[(3) - (3)].command), ';'); }
+ break;
+
+ case 142:
+#line 1067 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 143:
+#line 1071 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 144:
+#line 1073 "/Users/chet/src/bash/src/parse.y"
+ {
+ if ((yyvsp[(2) - (2)].command))
+ (yyvsp[(2) - (2)].command)->flags |= CMD_INVERT_RETURN;
+ (yyval.command) = (yyvsp[(2) - (2)].command);
+ }
+ break;
+
+ case 145:
+#line 1079 "/Users/chet/src/bash/src/parse.y"
{
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
+ if ((yyvsp[(2) - (2)].command))
+ (yyvsp[(2) - (2)].command)->flags |= (yyvsp[(1) - (2)].number);
+ (yyval.command) = (yyvsp[(2) - (2)].command);
+ }
+ break;
+
+ case 146:
+#line 1085 "/Users/chet/src/bash/src/parse.y"
+ {
+ if ((yyvsp[(3) - (3)].command))
+ (yyvsp[(3) - (3)].command)->flags |= (yyvsp[(1) - (3)].number)|CMD_INVERT_RETURN;
+ (yyval.command) = (yyvsp[(3) - (3)].command);
+ }
+ break;
+
+ case 147:
+#line 1091 "/Users/chet/src/bash/src/parse.y"
+ {
+ if ((yyvsp[(3) - (3)].command))
+ (yyvsp[(3) - (3)].command)->flags |= (yyvsp[(2) - (3)].number)|CMD_INVERT_RETURN;
+ (yyval.command) = (yyvsp[(3) - (3)].command);
+ }
+ break;
+
+ case 148:
+#line 1097 "/Users/chet/src/bash/src/parse.y"
+ {
+ ELEMENT x;
+
+ /* Boy, this is unclean. `time' by itself can
+ time a null command. We cheat and push a
+ newline back if the list_terminator was a newline
+ to avoid the double-newline problem (one to
+ terminate this, one to terminate the command) */
+ x.word = 0;
+ x.redirect = 0;
+ (yyval.command) = make_simple_command (x, (COMMAND *)NULL);
+ (yyval.command)->flags |= (yyvsp[(1) - (2)].number);
+ /* XXX - let's cheat and push a newline back */
+ if ((yyvsp[(2) - (2)].number) == '\n')
+ token_to_read = '\n';
+ }
+ break;
+
+ case 149:
+#line 1117 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '|'); }
+ break;
+
+ case 150:
+#line 1119 "/Users/chet/src/bash/src/parse.y"
+ {
+ /* Make cmd1 |& cmd2 equivalent to cmd1 2>&1 | cmd2 */
+ COMMAND *tc;
+ REDIRECTEE rd;
+ REDIRECT *r;
+
+ tc = (yyvsp[(1) - (4)].command);
+ rd.dest = 1;
+ r = make_redirection (2, r_duplicating_output, rd);
+ if (tc->redirects)
+ {
+ register REDIRECT *t;
+ for (t = tc->redirects; t->next; t = t->next)
+ ;
+ t->next = r;
+ }
+ else
+ tc->redirects = r;
+
+ (yyval.command) = command_connect ((yyvsp[(1) - (4)].command), (yyvsp[(4) - (4)].command), '|');
+ }
+ break;
+
+ case 151:
+#line 1141 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.command) = (yyvsp[(1) - (1)].command); }
+ break;
+
+ case 152:
+#line 1145 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.number) = CMD_TIME_PIPELINE; }
+ break;
+
+ case 153:
+#line 1147 "/Users/chet/src/bash/src/parse.y"
+ { (yyval.number) = CMD_TIME_PIPELINE|CMD_TIME_POSIX; }
+ break;
+
+
+/* Line 1267 of yacc.c. */
+#line 3193 "y.tab.c"
+ default: break;
}
-#endif
+ YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+
+ *++yyvsp = yyval;
+
- /* Now "shift" the result of the reduction.
- Determine what state that goes to,
- based on the state we popped back to
- and the rule number reduced by. */
+ /* Now `shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
yyn = yyr1[yyn];
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+ if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
- yystate = yydefgoto[yyn - YYNTBASE];
+ yystate = yydefgoto[yyn - YYNTOKENS];
goto yynewstate;
-yyerrlab: /* here on detecting error */
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
{
++yynerrs;
+#if ! YYERROR_VERBOSE
+ yyerror (YY_("syntax error"));
+#else
+ {
+ YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+ if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+ {
+ YYSIZE_T yyalloc = 2 * yysize;
+ if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+ yyalloc = YYSTACK_ALLOC_MAXIMUM;
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+ yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+ if (yymsg)
+ yymsg_alloc = yyalloc;
+ else
+ {
+ yymsg = yymsgbuf;
+ yymsg_alloc = sizeof yymsgbuf;
+ }
+ }
-#ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- /* Start X at -yyn if nec to avoid negative indexes in yycheck. */
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
- {
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- {
- strcat(msg, count == 0 ? ", expecting `" : " or `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
- count++;
- }
- }
- yyerror(msg);
- free(msg);
- }
- else
- yyerror ("parse error; also virtual memory exceeded");
- }
- else
-#endif /* YYERROR_VERBOSE */
- yyerror("parse error");
+ if (0 < yysize && yysize <= yymsg_alloc)
+ {
+ (void) yysyntax_error (yymsg, yystate, yychar);
+ yyerror (yymsg);
+ }
+ else
+ {
+ yyerror (YY_("syntax error"));
+ if (yysize != 0)
+ goto yyexhaustedlab;
+ }
+ }
+#endif
}
- goto yyerrlab1;
-yyerrlab1: /* here on error raised explicitly by an action */
+
if (yyerrstatus == 3)
{
- /* if just tried and failed to reuse lookahead token after an error, discard it. */
+ /* If just tried and failed to reuse look-ahead token after an
+ error, discard it. */
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
-#endif
-
- yychar = YYEMPTY;
+ if (yychar <= YYEOF)
+ {
+ /* Return failure if at end of input. */
+ if (yychar == YYEOF)
+ YYABORT;
+ }
+ else
+ {
+ yydestruct ("Error: discarding",
+ yytoken, &yylval);
+ yychar = YYEMPTY;
+ }
}
- /* Else will try to reuse lookahead token
- after shifting the error token. */
+ /* Else will try to reuse look-ahead token after shifting the error
+ token. */
+ goto yyerrlab1;
- yyerrstatus = 3; /* Each real token shifted decrements this */
- goto yyerrhandle;
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR. |
+`---------------------------------------------------*/
+yyerrorlab:
-yyerrdefault: /* current state does not do anything special for the error token. */
+ /* Pacify compilers like GCC when the user code never invokes
+ YYERROR and the label yyerrorlab therefore never appears in user
+ code. */
+ if (/*CONSTCOND*/ 0)
+ goto yyerrorlab;
-#if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
-#endif
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYERROR. */
+ YYPOPSTACK (yylen);
+ yylen = 0;
+ YY_STACK_PRINT (yyss, yyssp);
+ yystate = *yyssp;
+ goto yyerrlab1;
-yyerrpop: /* pop the current state because it cannot handle the error token */
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
-#ifdef YYLSP_NEEDED
- yylsp--;
-#endif
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR. |
+`-------------------------------------------------------------*/
+yyerrlab1:
+ yyerrstatus = 3; /* Each real token shifted decrements this. */
-#if YYDEBUG != 0
- if (yydebug)
+ for (;;)
{
- short *ssp1 = yyss - 1;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
-#endif
-
-yyerrhandle:
+ yyn = yypact[yystate];
+ if (yyn != YYPACT_NINF)
+ {
+ yyn += YYTERROR;
+ if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+ {
+ yyn = yytable[yyn];
+ if (0 < yyn)
+ break;
+ }
+ }
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
+ /* Pop the current state because it cannot handle the error token. */
+ if (yyssp == yyss)
+ YYABORT;
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
+ yydestruct ("Error: popping",
+ yystos[yystate], yyvsp);
+ YYPOPSTACK (1);
+ yystate = *yyssp;
+ YY_STACK_PRINT (yyss, yyssp);
}
- else if (yyn == 0)
- goto yyerrpop;
if (yyn == YYFINAL)
YYACCEPT;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
-#endif
-
*++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
-#endif
+
+
+ /* Shift the error token. */
+ YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
yystate = yyn;
goto yynewstate;
- yyacceptlab:
- /* YYACCEPT comes here. */
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ yyresult = 1;
+ goto yyreturn;
+
+#ifndef yyoverflow
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here. |
+`-------------------------------------------------*/
+yyexhaustedlab:
+ yyerror (YY_("memory exhausted"));
+ yyresult = 2;
+ /* Fall through. */
#endif
- }
- return 0;
- yyabortlab:
- /* YYABORT comes here. */
- if (yyfree_stacks)
+yyreturn:
+ if (yychar != YYEOF && yychar != YYEMPTY)
+ yydestruct ("Cleanup: discarding lookahead",
+ yytoken, &yylval);
+ /* Do not reclaim the symbols of the rule which action triggered
+ this YYABORT or YYACCEPT. */
+ YYPOPSTACK (yylen);
+ YY_STACK_PRINT (yyss, yyssp);
+ while (yyssp != yyss)
{
- free (yyss);
- free (yyvs);
-#ifdef YYLSP_NEEDED
- free (yyls);
-#endif
+ yydestruct ("Cleanup: popping",
+ yystos[*yyssp], yyvsp);
+ YYPOPSTACK (1);
}
- return 1;
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+ if (yymsg != yymsgbuf)
+ YYSTACK_FREE (yymsg);
+#endif
+ /* Make sure YYID is used. */
+ return YYID (yyresult);
}
-#line 860 "/usr/homes/chet/src/bash/src/parse.y"
-
-
-/* Possible states for the parser that require it to do special things. */
-#define PST_CASEPAT 0x001 /* in a case pattern list */
-#define PST_ALEXPNEXT 0x002 /* expand next word for aliases */
-#define PST_ALLOWOPNBRC 0x004 /* allow open brace for function def */
-#define PST_NEEDCLOSBRC 0x008 /* need close brace */
-#define PST_DBLPAREN 0x010 /* double-paren parsing */
-#define PST_SUBSHELL 0x020 /* ( ... ) subshell */
-#define PST_CMDSUBST 0x040 /* $( ... ) command substitution */
-#define PST_CASESTMT 0x080 /* parsing a case statement */
-#define PST_CONDCMD 0x100 /* parsing a [[...]] command */
-#define PST_CONDEXPR 0x200 /* parsing the guts of [[...]] */
-#define PST_ARITHFOR 0x400 /* parsing an arithmetic for command */
+
+
+#line 1149 "/Users/chet/src/bash/src/parse.y"
+
/* Initial size to allocate for tokens, and the
amount to grow them by. */
#define TOKEN_DEFAULT_INITIAL_SIZE 496
#define TOKEN_DEFAULT_GROW_SIZE 512
-/* The token currently being read. */
-static int current_token;
-
-/* The last read token, or NULL. read_token () uses this for context
- checking. */
-static int last_read_token;
-
-/* The token read prior to last_read_token. */
-static int token_before_that;
-
-/* The token read prior to token_before_that. */
-static int two_tokens_ago;
-
-/* If non-zero, it is the token that we want read_token to return
- regardless of what text is (or isn't) present to be read. This
- is reset by read_token. If token_to_read == WORD or
- ASSIGNMENT_WORD, yylval.word should be set to word_desc_to_read. */
-static int token_to_read;
-static WORD_DESC *word_desc_to_read;
+/* Should we call prompt_again? */
+#define SHOULD_PROMPT() \
+ (interactive && (bash_input.type == st_stdin || bash_input.type == st_stream))
-/* The current parser state. */
-static int parser_state;
+#if defined (ALIAS)
+# define expanding_alias() (pushed_string_list && pushed_string_list->expander)
+#else
+# define expanding_alias() 0
+#endif
/* Global var is non-zero when end of file has been reached. */
int EOF_Reached = 0;
bash_input.ungetter = unget;
}
+char *
+yy_input_name ()
+{
+ return (bash_input.name ? bash_input.name : "stdin");
+}
+
/* Call this to get the next character of input. */
static int
yy_getc ()
old_sigint = (SigHandler *)set_signal_handler (SIGINT, sigint_sighandler);
interrupt_immediately++;
}
+ terminate_immediately = 1;
current_readline_line = readline (current_readline_prompt ?
current_readline_prompt : "");
+ terminate_immediately = 0;
if (signal_is_ignored (SIGINT) == 0 && old_sigint)
{
interrupt_immediately--;
init_yy_io (yy_string_get, yy_string_unget, st_string, name, location);
}
+/* Count the number of characters we've consumed from bash_input.location.string
+ and read into shell_input_line, but have not returned from shell_getc.
+ That is the true input location. Rewind bash_input.location.string by
+ that number of characters, so it points to the last character actually
+ consumed by the parser. */
+static void
+rewind_input_string ()
+{
+ int xchars;
+
+ /* number of unconsumed characters in the input -- XXX need to take newlines
+ into account, e.g., $(...\n) */
+ xchars = shell_input_line_len - shell_input_line_index;
+ if (bash_input.location.string[-1] == '\n')
+ xchars++;
+
+ /* XXX - how to reflect bash_input.location.string back to string passed to
+ parse_and_execute or xparse_dolparen? xparse_dolparen needs to know how
+ far into the string we parsed. parse_and_execute knows where bash_input.
+ location.string is, and how far from orig_string that is -- that's the
+ number of characters the command consumed. */
+
+ /* bash_input.location.string - xchars should be where we parsed to */
+ /* need to do more validation on xchars value for sanity -- test cases. */
+ bash_input.location.string -= xchars;
+}
+
/* **************************************************************** */
/* */
/* Let input come from STREAM. */
result = EOF;
if (bash_input.location.file)
- result = getc_with_restart (bash_input.location.file);
-
+ {
+ if (interactive)
+ {
+ interrupt_immediately++;
+ terminate_immediately++;
+ }
+ result = getc_with_restart (bash_input.location.file);
+ if (interactive)
+ {
+ interrupt_immediately--;
+ terminate_immediately--;
+ }
+ }
return (result);
}
#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
-#if !defined (ALIAS)
-typedef void *alias_t;
-#endif
-
#define END_OF_ALIAS 0
/*
shell_input_line_size = strlen (s);
shell_input_line_index = 0;
shell_input_line_terminator = '\0';
- parser_state &= ~PST_ALEXPNEXT;
+#if 0
+ parser_state &= ~PST_ALEXPNEXT; /* XXX */
+#endif
+
+ set_line_mbstate ();
}
/*
#endif
free ((char *)t);
+
+ set_line_mbstate ();
}
static void
#endif /* ALIAS || DPAREN_ARITHMETIC */
+void
+free_pushed_string_input ()
+{
+#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
+ free_string_list ();
+#endif
+}
+
/* Return a line of text, taken from wherever yylex () reads input.
If there is no more input, then we return NULL. If REMOVE_QUOTED_NEWLINE
is non-zero, we remove unquoted \<newline> pairs. This is used by
int indx = 0, c, peekc, pass_next;
#if defined (READLINE)
- if (interactive && bash_input.type != st_string && no_line_editing)
+ if (no_line_editing && SHOULD_PROMPT ())
#else
- if (interactive && bash_input.type != st_string)
+ if (SHOULD_PROMPT ())
#endif
print_prompt ();
pass_next = 0;
while (1)
{
- c = yy_getc ();
-
/* Allow immediate exit if interrupted during input. */
QUIT;
+ c = yy_getc ();
+
/* Ignore null bytes in input. */
if (c == 0)
{
{
peekc = yy_getc ();
if (peekc == '\n')
- continue; /* Make the unquoted \<newline> pair disappear. */
+ {
+ line_number++;
+ continue; /* Make the unquoted \<newline> pair disappear. */
+ }
else
{
yy_ungetc (peekc);
read_secondary_line (remove_quoted_newline)
int remove_quoted_newline;
{
+ char *ret;
+ int n, c;
+
prompt_string_pointer = &ps2_prompt;
- prompt_again ();
- return (read_a_line (remove_quoted_newline));
+ if (SHOULD_PROMPT())
+ prompt_again ();
+ ret = read_a_line (remove_quoted_newline);
+#if defined (HISTORY)
+ if (remember_on_history && (parser_state & PST_HEREDOC))
+ {
+ /* To make adding the the here-document body right, we need to rely
+ on history_delimiting_chars() returning \n for the first line of
+ the here-document body and the null string for the second and
+ subsequent lines, so we avoid double newlines.
+ current_command_line_count == 2 for the first line of the body. */
+
+ current_command_line_count++;
+ maybe_add_history (ret);
+ }
+#endif /* HISTORY */
+ return ret;
}
/* **************************************************************** */
{ "[[", COND_START },
{ "]]", COND_END },
#endif
+#if defined (COPROCESS_SUPPORT)
+ { "coproc", COPROC },
+#endif
+ { (char *)NULL, 0}
+};
+
+/* other tokens that can be returned by read_token() */
+STRING_INT_ALIST other_token_alist[] = {
+ /* Multiple-character tokens with special values */
+ { "-p", TIMEOPT },
+ { "&&", AND_AND },
+ { "||", OR_OR },
+ { ">>", GREATER_GREATER },
+ { "<<", LESS_LESS },
+ { "<&", LESS_AND },
+ { ">&", GREATER_AND },
+ { ";;", SEMI_SEMI },
+ { ";&", SEMI_AND },
+ { ";;&", SEMI_SEMI_AND },
+ { "<<-", LESS_LESS_MINUS },
+ { "<<<", LESS_LESS_LESS },
+ { "&>", AND_GREATER },
+ { "&>>", AND_GREATER_GREATER },
+ { "<>", LESS_GREATER },
+ { ">|", GREATER_BAR },
+ { "|&", BAR_AND },
+ { "EOF", yacc_EOF },
+ /* Tokens whose value is the character itself */
+ { ">", '>' },
+ { "<", '<' },
+ { "-", '-' },
+ { "{", '{' },
+ { "}", '}' },
+ { ";", ';' },
+ { "(", '(' },
+ { ")", ')' },
+ { "|", '|' },
+ { "&", '&' },
+ { "newline", '\n' },
{ (char *)NULL, 0}
};
-/* XXX - we should also have an alist with strings for other tokens, so we
- can give more descriptive error messages. Look at y.tab.h for the
- other tokens. */
+/* others not listed here:
+ WORD look at yylval.word
+ ASSIGNMENT_WORD look at yylval.word
+ NUMBER look at yylval.number
+ ARITH_CMD look at yylval.word_list
+ ARITH_FOR_EXPRS look at yylval.word_list
+ COND_CMD look at yylval.command
+*/
/* These are used by read_token_word, but appear up here so that shell_getc
can use them to decide when to add otherwise blank lines to the history. */
register int i;
int c;
unsigned char uc;
- static int mustpop = 0;
QUIT;
+ if (sigwinch_received)
+ {
+ sigwinch_received = 0;
+ get_new_window_size (0, (int *)0, (int *)0);
+ }
+
if (eol_ungetc_lookahead)
{
c = eol_ungetc_lookahead;
i = 0;
shell_input_line_terminator = 0;
+ /* If the shell is interatctive, but not currently printing a prompt
+ (interactive_shell && interactive == 0), we don't want to print
+ notifies or cleanup the jobs -- we want to defer it until we do
+ print the next prompt. */
+ if (interactive_shell == 0 || SHOULD_PROMPT())
+ {
#if defined (JOB_CONTROL)
/* This can cause a problem when reading a command as the result
of a trap, when the trap is called from flush_child. This call
had better not cause jobs to disappear from the job table in
that case, or we will have big trouble. */
- notify_and_cleanup ();
+ notify_and_cleanup ();
#else /* !JOB_CONTROL */
- cleanup_dead_jobs ();
+ cleanup_dead_jobs ();
#endif /* !JOB_CONTROL */
+ }
#if defined (READLINE)
- if (interactive && bash_input.type != st_string && no_line_editing)
+ if (no_line_editing && SHOULD_PROMPT())
#else
- if (interactive && bash_input.type != st_string)
+ if (SHOULD_PROMPT())
#endif
print_prompt ();
shell_input_line_index = 0;
shell_input_line_len = i; /* == strlen (shell_input_line) */
+ set_line_mbstate ();
+
#if defined (HISTORY)
if (remember_on_history && shell_input_line && shell_input_line[0])
{
/* We have to force the xrealloc below because we don't know
the true allocated size of shell_input_line anymore. */
shell_input_line_size = shell_input_line_len;
+
+ set_line_mbstate ();
}
}
/* Try to do something intelligent with blank lines encountered while
{
shell_input_line_size = 0;
prompt_string_pointer = ¤t_prompt_string;
- prompt_again ();
+ if (SHOULD_PROMPT ())
+ prompt_again ();
goto restart_read;
}
shell_input_line[shell_input_line_len] = '\n';
shell_input_line[shell_input_line_len + 1] = '\0';
+
+ set_line_mbstate ();
}
}
if (uc)
shell_input_line_index++;
- if (uc == '\\' && remove_quoted_newline &&
- shell_input_line[shell_input_line_index] == '\n')
- {
- prompt_again ();
- line_number++;
- goto restart_read;
- }
-
#if defined (ALIAS) || defined (DPAREN_ARITHMETIC)
/* If UC is NULL, we have reached the end of the current input string. If
pushed_string_list is non-empty, it's time to pop to the previous string
to. */
if (!uc && (pushed_string_list != (STRING_SAVER *)NULL))
{
- if (mustpop)
- {
- pop_string ();
- uc = shell_input_line[shell_input_line_index];
- if (uc)
- shell_input_line_index++;
- mustpop--;
- }
- else
- {
- mustpop++;
- uc = ' ';
- }
+ pop_string ();
+ uc = shell_input_line[shell_input_line_index];
+ if (uc)
+ shell_input_line_index++;
}
#endif /* ALIAS || DPAREN_ARITHMETIC */
+ if MBTEST(uc == '\\' && remove_quoted_newline && shell_input_line[shell_input_line_index] == '\n')
+ {
+ if (SHOULD_PROMPT ())
+ prompt_again ();
+ line_number++;
+ goto restart_read;
+ }
+
if (!uc && shell_input_line_terminator == EOF)
return ((shell_input_line_index != 0) ? '\n' : EOF);
return (uc);
}
-/* Put C back into the input for the shell. */
+/* Put C back into the input for the shell. This might need changes for
+ HANDLE_MULTIBYTE around EOLs. Since we (currently) never push back a
+ character different than we read, shell_input_line_property doesn't need
+ to change when manipulating shell_input_line. The define for
+ last_shell_getc_is_singlebyte should take care of it, though. */
static void
shell_ungetc (c)
int c;
}
void
-execute_prompt_command (command)
- char *command;
+execute_variable_command (command, vname)
+ char *command, *vname;
{
- sh_builtin_func_t *temp_last, *temp_this;
char *last_lastarg;
- int temp_exit_value, temp_eof_encountered;
+ sh_parser_state_t ps;
- temp_last = last_shell_builtin;
- temp_this = this_shell_builtin;
- temp_exit_value = last_command_exit_value;
- temp_eof_encountered = eof_encountered;
+ save_parser_state (&ps);
last_lastarg = get_string_value ("_");
if (last_lastarg)
last_lastarg = savestring (last_lastarg);
- parse_and_execute (savestring (command), "PROMPT_COMMAND", SEVAL_NONINT|SEVAL_NOHIST);
+ parse_and_execute (savestring (command), vname, SEVAL_NONINT|SEVAL_NOHIST);
- last_shell_builtin = temp_last;
- this_shell_builtin = temp_this;
- last_command_exit_value = temp_exit_value;
- eof_encountered = temp_eof_encountered;
-
- bind_variable ("_", last_lastarg);
+ restore_parser_state (&ps);
+ bind_variable ("_", last_lastarg, 0);
FREE (last_lastarg);
if (token_to_read == '\n') /* reset_parser was called */
/* Avoid printing a prompt if we're not going to read anything, e.g.
after resetting the parser with read_token (RESET). */
- if (token_to_read == 0 && interactive)
+ if (token_to_read == 0 && SHOULD_PROMPT ())
prompt_again ();
}
token_before_that = last_read_token;
last_read_token = current_token;
current_token = read_token (READ);
+
+ if ((parser_state & PST_EOFTOKEN) && current_token == shell_eof_token)
+ {
+ current_token = yacc_EOF;
+ if (bash_input.type == st_string)
+ rewind_input_string ();
+ }
+ parser_state &= ~PST_EOFTOKEN;
+
return (current_token);
}
void
gather_here_documents ()
{
- int r = 0;
+ int r;
+
+ r = 0;
while (need_here_doc)
{
- make_here_document (redir_stack[r++]);
+ parser_state |= PST_HEREDOC;
+ make_here_document (redir_stack[r++], line_number);
+ parser_state &= ~PST_HEREDOC;
need_here_doc--;
}
}
#define command_token_position(token) \
(((token) == ASSIGNMENT_WORD) || \
- ((token) != SEMI_SEMI && reserved_word_acceptable(token)))
+ ((token) != SEMI_SEMI && (token) != SEMI_AND && (token) != SEMI_SEMI_AND && reserved_word_acceptable(token)))
-#define assignment_acceptable(token) command_token_position(token) && \
- ((parser_state & PST_CASEPAT) == 0)
+#define assignment_acceptable(token) \
+ (command_token_position(token) && ((parser_state & PST_CASEPAT) == 0))
/* Check to see if TOKEN is a reserved word and return the token
value if it is. */
{ \
if ((parser_state & PST_CASEPAT) && (word_token_alist[i].token != ESAC)) \
break; \
- if (word_token_alist[i].token == TIME) \
+ if (word_token_alist[i].token == TIME && time_command_acceptable () == 0) \
break; \
if (word_token_alist[i].token == ESAC) \
parser_state &= ~(PST_CASEPAT|PST_CASESTMT); \
/* OK, we have a token. Let's try to alias expand it, if (and only if)
it's eligible.
- It is eligible for expansion if the shell is in interactive mode, and
+ It is eligible for expansion if EXPAND_ALIASES is set, and
the token is unquoted and the last token read was a command
separator (or expand_next_token is set), and we are currently
processing an alias (pushed_string_list is non-empty) and this
Special cases that disqualify:
In a pattern list in a case statement (parser_state & PST_CASEPAT). */
+
+static char *
+mk_alexpansion (s)
+ char *s;
+{
+ int l;
+ char *r;
+
+ l = strlen (s);
+ r = xmalloc (l + 2);
+ strcpy (r, s);
+ if (r[l -1] != ' ')
+ r[l++] = ' ';
+ r[l] = '\0';
+ return r;
+}
+
static int
alias_expand_token (tokstr)
char *tokstr;
if (ap && (ap->flags & AL_BEINGEXPANDED))
return (NO_EXPANSION);
- expanded = ap ? savestring (ap->value) : (char *)NULL;
+ /* mk_alexpansion puts an extra space on the end of the alias expansion,
+ so the lookahead by the parser works right. If this gets changed,
+ make sure the code in shell_getc that deals with reaching the end of
+ an expanded alias is changed with it. */
+ expanded = ap ? mk_alexpansion (ap->value) : (char *)NULL;
+
if (expanded)
{
push_string (expanded, ap->flags & AL_EXPANDNEXT, ap);
return (TIMEOPT);
#endif
+#if 0
#if defined (COMMAND_TIMING)
if (STREQ (token, "time") && ((parser_state & PST_CASEPAT) == 0) && time_command_acceptable ())
return (TIME);
#endif /* COMMAND_TIMING */
+#endif
#if defined (COND_COMMAND) /* [[ */
if ((parser_state & PST_CONDEXPR) && tokstr[0] == ']' && tokstr[1] == ']' && tokstr[2] == '\0')
yylval.command = parse_cond_command ();
if (cond_token != COND_END)
{
- if (EOF_Reached && cond_token != COND_ERROR) /* [[ */
- parser_error (cond_lineno, "unexpected EOF while looking for `]]'");
- else if (cond_token != COND_ERROR)
- parser_error (cond_lineno, "syntax error in conditional expression");
+ cond_error ();
return (-1);
}
token_to_read = COND_END;
#endif /* ALIAS */
/* Read a single word from input. Start by skipping blanks. */
- while ((character = shell_getc (1)) != EOF && whitespace (character))
+ while ((character = shell_getc (1)) != EOF && shellblank (character))
;
if (character == EOF)
return (yacc_EOF);
}
- if (character == '#' && (!interactive || interactive_comments))
+ if MBTEST(character == '#' && (!interactive || interactive_comments))
{
/* A comment. Discard until EOL or EOF, and then return a newline. */
discard_until ('\n');
parser_state &= ~PST_ALEXPNEXT;
#endif /* ALIAS */
+ parser_state &= ~PST_ASSIGNOK;
+
return (character);
}
+ if (parser_state & PST_REGEXP)
+ goto tokword;
+
/* Shell meta-characters. */
- if (shellmeta (character) && ((parser_state & PST_DBLPAREN) == 0))
+ if MBTEST(shellmeta (character) && ((parser_state & PST_DBLPAREN) == 0))
{
#if defined (ALIAS)
/* Turn off alias tokenization iff this character sequence would
parser_state &= ~PST_ALEXPNEXT;
#endif /* ALIAS */
+ parser_state &= ~PST_ASSIGNOK;
+
peek_char = shell_getc (1);
if (character == peek_char)
{
/* If '<' then we could be at "<<" or at "<<-". We have to
look ahead one more character. */
peek_char = shell_getc (1);
- if (peek_char == '-')
+ if MBTEST(peek_char == '-')
return (LESS_LESS_MINUS);
+ else if MBTEST(peek_char == '<')
+ return (LESS_LESS_LESS);
else
{
shell_ungetc (peek_char);
#if defined (ALIAS)
parser_state &= ~PST_ALEXPNEXT;
#endif /* ALIAS */
- return (SEMI_SEMI);
+
+ peek_char = shell_getc (1);
+ if MBTEST(peek_char == '&')
+ return (SEMI_SEMI_AND);
+ else
+ {
+ shell_ungetc (peek_char);
+ return (SEMI_SEMI);
+ }
case '&':
return (AND_AND);
#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
case '(': /* ) */
-# if defined (ARITH_FOR_COMMAND)
- if (last_read_token == FOR)
- {
- int cmdtyp, len;
- char *wval, *wv2;
- WORD_DESC *wd;
-
- arith_for_lineno = line_number;
- cmdtyp = parse_arith_cmd (&wval);
- if (cmdtyp == 1)
- {
- /* parse_arith_cmd adds quotes at the beginning and end
- of the string it returns; we need to take those out. */
- len = strlen (wval);
- wv2 = (char *)xmalloc (len);
- strncpy (wv2, wval + 1, len - 2);
- wv2[len - 2] = '\0';
- wd = make_word (wv2);
- yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
- free (wval);
- free (wv2);
- return (ARITH_FOR_EXPRS);
- }
- else
- return -1; /* ERROR */
- }
-# endif
-# if defined (DPAREN_ARITHMETIC)
- if (reserved_word_acceptable (last_read_token))
- {
- int cmdtyp, sline;
- char *wval;
- WORD_DESC *wd;
-
- sline = line_number;
- cmdtyp = parse_arith_cmd (&wval);
- if (cmdtyp == 1) /* arithmetic command */
- {
- wd = make_word (wval);
- wd->flags = W_QUOTED;
- yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
- free (wval); /* make_word copies it */
- return (ARITH_CMD);
- }
- else if (cmdtyp == 0) /* nested subshell */
- {
- push_string (wval, 0, (alias_t *)NULL);
- if ((parser_state & PST_CASEPAT) == 0)
- parser_state |= PST_SUBSHELL;
- return (character);
- }
- else /* ERROR */
- return -1;
- }
- break;
-# endif
+ result = parse_dparen (character);
+ if (result == -2)
+ break;
+ else
+ return result;
#endif
}
}
- else if (character == '<' && peek_char == '&')
+ else if MBTEST(character == '<' && peek_char == '&')
return (LESS_AND);
- else if (character == '>' && peek_char == '&')
+ else if MBTEST(character == '>' && peek_char == '&')
return (GREATER_AND);
- else if (character == '<' && peek_char == '>')
+ else if MBTEST(character == '<' && peek_char == '>')
return (LESS_GREATER);
- else if (character == '>' && peek_char == '|')
+ else if MBTEST(character == '>' && peek_char == '|')
return (GREATER_BAR);
- else if (peek_char == '>' && character == '&')
- return (AND_GREATER);
+ else if MBTEST(character == '&' && peek_char == '>')
+ {
+ peek_char = shell_getc (1);
+ if MBTEST(peek_char == '>')
+ return (AND_GREATER_GREATER);
+ else
+ {
+ shell_ungetc (peek_char);
+ return (AND_GREATER);
+ }
+ }
+ else if MBTEST(character == '|' && peek_char == '&')
+ return (BAR_AND);
+ else if MBTEST(character == ';' && peek_char == '&')
+ {
+ parser_state |= PST_CASEPAT;
+#if defined (ALIAS)
+ parser_state &= ~PST_ALEXPNEXT;
+#endif /* ALIAS */
+ return (SEMI_AND);
+ }
shell_ungetc (peek_char);
/* If we look like we are reading the start of a function
definition, then let the reader know about it so that
we will do the right thing with `{'. */
- if (character == ')' && last_read_token == '(' && token_before_that == WORD)
+ if MBTEST(character == ')' && last_read_token == '(' && token_before_that == WORD)
{
parser_state |= PST_ALLOWOPNBRC;
#if defined (ALIAS)
/* case pattern lists may be preceded by an optional left paren. If
we're not trying to parse a case pattern list, the left paren
indicates a subshell. */
- if (character == '(' && (parser_state & PST_CASEPAT) == 0) /* ) */
+ if MBTEST(character == '(' && (parser_state & PST_CASEPAT) == 0) /* ) */
parser_state |= PST_SUBSHELL;
/*(*/
- else if ((parser_state & PST_CASEPAT) && character == ')')
+ else if MBTEST((parser_state & PST_CASEPAT) && character == ')')
parser_state &= ~PST_CASEPAT;
/*(*/
- else if ((parser_state & PST_SUBSHELL) && character == ')')
+ else if MBTEST((parser_state & PST_SUBSHELL) && character == ')')
parser_state &= ~PST_SUBSHELL;
#if defined (PROCESS_SUBSTITUTION)
/* Check for the constructs which introduce process substitution.
Shells running in `posix mode' don't do process substitution. */
- if (posixly_correct ||
- ((character != '>' && character != '<') || peek_char != '('))
+ if MBTEST(posixly_correct || ((character != '>' && character != '<') || peek_char != '(')) /*)*/
#endif /* PROCESS_SUBSTITUTION */
return (character);
}
- /* Hack <&- (close stdin) case. */
- if (character == '-' && (last_read_token == LESS_AND || last_read_token == GREATER_AND))
+ /* Hack <&- (close stdin) case. Also <&N- (dup and close). */
+ if MBTEST(character == '-' && (last_read_token == LESS_AND || last_read_token == GREATER_AND))
return (character);
+tokword:
/* Okay, if we got this far, we have to read a word. Read one,
and then check it against the known ones. */
result = read_token_word (character);
return result;
}
-/* Match a $(...) or other grouping construct. This has to handle embedded
- quoted strings ('', ``, "") and nested constructs. It also must handle
- reprompting the user, if necessary, after reading a newline, and returning
- correct error values if it reads EOF. */
-
+/*
+ * Match a $(...) or other grouping construct. This has to handle embedded
+ * quoted strings ('', ``, "") and nested constructs. It also must handle
+ * reprompting the user, if necessary, after reading a newline, and returning
+ * correct error values if it reads EOF.
+ */
#define P_FIRSTCLOSE 0x01
#define P_ALLOWESC 0x02
+#define P_DQUOTE 0x04
+#define P_COMMAND 0x08 /* parsing a command, so look for comments */
+#define P_BACKQUOTE 0x10 /* parsing a backquoted command substitution */
+
+/* Lexical state while parsing a grouping construct or $(...). */
+#define LEX_WASDOL 0x001
+#define LEX_CKCOMMENT 0x002
+#define LEX_INCOMMENT 0x004
+#define LEX_PASSNEXT 0x008
+#define LEX_RESWDOK 0x010
+#define LEX_CKCASE 0x020
+#define LEX_INCASE 0x040
+#define LEX_INHEREDOC 0x080
+#define LEX_HEREDELIM 0x100 /* reading here-doc delimiter */
+#define LEX_STRIPDOC 0x200 /* <<- strip tabs from here doc delim */
+
+#define COMSUB_META(ch) ((ch) == ';' || (ch) == '&' || (ch) == '|')
+
+#define CHECK_NESTRET_ERROR() \
+ do { \
+ if (nestret == &matched_pair_error) \
+ { \
+ free (ret); \
+ return &matched_pair_error; \
+ } \
+ } while (0)
+
+#define APPEND_NESTRET() \
+ do { \
+ if (nestlen) \
+ { \
+ RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64); \
+ strcpy (ret + retind, nestret); \
+ retind += nestlen; \
+ } \
+ } while (0)
static char matched_pair_error;
+
static char *
parse_matched_pair (qc, open, close, lenp, flags)
int qc; /* `"' if this construct is within double quotes */
int open, close;
int *lenp, flags;
{
- int count, ch, was_dollar;
- int pass_next_character, nestlen, ttranslen, start_lineno;
+ int count, ch, tflags;
+ int nestlen, ttranslen, start_lineno;
char *ret, *nestret, *ttrans;
- int retind, retsize;
+ int retind, retsize, rflags;
+/* itrace("parse_matched_pair: open = %c close = %c flags = %d", open, close, flags); */
count = 1;
- pass_next_character = was_dollar = 0;
+ tflags = 0;
+
+ if ((flags & P_COMMAND) && qc != '`' && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0)
+ tflags |= LEX_CKCOMMENT;
+
+ /* RFLAGS is the set of flags we want to pass to recursive calls. */
+ rflags = (qc == '"') ? P_DQUOTE : (flags & P_DQUOTE);
ret = (char *)xmalloc (retsize = 64);
retind = 0;
start_lineno = line_number;
while (count)
{
- ch = shell_getc ((qc != '\'' || (flags & P_ALLOWESC)) && pass_next_character == 0);
+ ch = shell_getc (qc != '\'' && (tflags & LEX_PASSNEXT) == 0);
+
if (ch == EOF)
{
free (ret);
- parser_error (start_lineno, "unexpected EOF while looking for matching `%c'", close);
+ parser_error (start_lineno, _("unexpected EOF while looking for matching `%c'"), close);
EOF_Reached = 1; /* XXX */
return (&matched_pair_error);
}
/* Possible reprompting. */
- if (ch == '\n' && interactive &&
- (bash_input.type == st_stdin || bash_input.type == st_stream))
+ if (ch == '\n' && SHOULD_PROMPT ())
prompt_again ();
- if (pass_next_character) /* last char was backslash */
+ /* Don't bother counting parens or doing anything else if in a comment
+ or part of a case statement */
+ if (tflags & LEX_INCOMMENT)
{
- pass_next_character = 0;
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+
+ if (ch == '\n')
+ tflags &= ~LEX_INCOMMENT;
+
+ continue;
+ }
+
+ /* Not exactly right yet, should handle shell metacharacters, too. If
+ any changes are made to this test, make analogous changes to subst.c:
+ extract_delimited_string(). */
+ else if MBTEST((tflags & LEX_CKCOMMENT) && (tflags & LEX_INCOMMENT) == 0 && ch == '#' && (retind == 0 || ret[retind-1] == '\n' || shellblank (ret[retind - 1])))
+ tflags |= LEX_INCOMMENT;
+
+ if (tflags & LEX_PASSNEXT) /* last char was backslash */
+ {
+ tflags &= ~LEX_PASSNEXT;
if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */
{
- if (retind > 0) retind--; /* swallow previously-added backslash */
+ if (retind > 0)
+ retind--; /* swallow previously-added backslash */
continue;
}
RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
- if (ch == CTLESC || ch == CTLNUL)
+ if MBTEST(ch == CTLESC || ch == CTLNUL)
ret[retind++] = CTLESC;
ret[retind++] = ch;
continue;
}
- else if (ch == CTLESC || ch == CTLNUL) /* special shell escapes */
+ /* If we're reparsing the input (e.g., from parse_string_to_word_list),
+ we've already prepended CTLESC to single-quoted results of $'...'.
+ We may want to do this for other CTLESC-quoted characters in
+ reparse, too. */
+ else if MBTEST((parser_state & PST_REPARSE) && open == '\'' && (ch == CTLESC || ch == CTLNUL))
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ continue;
+ }
+ else if MBTEST(ch == CTLESC || ch == CTLNUL) /* special shell escapes */
{
RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
ret[retind++] = CTLESC;
ret[retind++] = ch;
continue;
}
- else if (ch == close) /* ending delimiter */
+ else if MBTEST(ch == close) /* ending delimiter */
count--;
-#if 1
/* handle nested ${...} specially. */
- else if (open != close && was_dollar && open == '{' && ch == open) /* } */
+ else if MBTEST(open != close && (tflags & LEX_WASDOL) && open == '{' && ch == open) /* } */
count++;
+ else if MBTEST(((flags & P_FIRSTCLOSE) == 0) && ch == open) /* nested begin */
+ count++;
+
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+
+ /* If we just read the ending character, don't bother continuing. */
+ if (count == 0)
+ break;
+
+ if (open == '\'') /* '' inside grouping construct */
+ {
+ if MBTEST((flags & P_ALLOWESC) && ch == '\\')
+ tflags |= LEX_PASSNEXT;
+ continue;
+ }
+
+ if MBTEST(ch == '\\') /* backslashes */
+ tflags |= LEX_PASSNEXT;
+
+#if 0
+ /* The big hammer. Single quotes aren't special in double quotes. The
+ problem is that Posix says the single quotes are semi-special:
+ within a double-quoted ${...} construct "an even number of
+ unescaped double-quotes or single-quotes, if any, shall occur." */
+ if MBTEST(open == '{' && (flags & P_DQUOTE) && ch == '\'') /* } */
+ continue;
+#endif
+
+ /* Could also check open == '`' if we want to parse grouping constructs
+ inside old-style command substitution. */
+ if (open != close) /* a grouping construct */
+ {
+ if MBTEST(shellquote (ch))
+ {
+ /* '', ``, or "" inside $(...) or other grouping construct. */
+ push_delimiter (dstack, ch);
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'') /* $'...' inside group */
+ nestret = parse_matched_pair (ch, ch, ch, &nestlen, P_ALLOWESC|rflags);
+ else
+ nestret = parse_matched_pair (ch, ch, ch, &nestlen, rflags);
+ pop_delimiter (dstack);
+ CHECK_NESTRET_ERROR ();
+
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'' && (extended_quote || (rflags & P_DQUOTE) == 0))
+ {
+ /* Translate $'...' here. */
+ ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen);
+ xfree (nestret);
+
+ if ((rflags & P_DQUOTE) == 0)
+ {
+ nestret = sh_single_quote (ttrans);
+ free (ttrans);
+ nestlen = strlen (nestret);
+ }
+ else
+ {
+ nestret = ttrans;
+ nestlen = ttranslen;
+ }
+ retind -= 2; /* back up before the $' */
+ }
+ else if MBTEST((tflags & LEX_WASDOL) && ch == '"' && (extended_quote || (rflags & P_DQUOTE) == 0))
+ {
+ /* Locale expand $"..." here. */
+ ttrans = localeexpand (nestret, 0, nestlen - 1, start_lineno, &ttranslen);
+ xfree (nestret);
+
+ nestret = sh_mkdoublequoted (ttrans, ttranslen, 0);
+ free (ttrans);
+ nestlen = ttranslen + 2;
+ retind -= 2; /* back up before the $" */
+ }
+
+ APPEND_NESTRET ();
+ FREE (nestret);
+ }
+ }
+ /* Parse an old-style command substitution within double quotes as a
+ single word. */
+ /* XXX - sh and ksh93 don't do this - XXX */
+ else if MBTEST(open == '"' && ch == '`')
+ {
+ nestret = parse_matched_pair (0, '`', '`', &nestlen, rflags);
+
+ CHECK_NESTRET_ERROR ();
+ APPEND_NESTRET ();
+
+ FREE (nestret);
+ }
+ else if MBTEST(open != '`' && (tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
+ /* check for $(), $[], or ${} inside quoted string. */
+ {
+ if (open == ch) /* undo previous increment */
+ count--;
+ if (ch == '(') /* ) */
+ nestret = parse_comsub (0, '(', ')', &nestlen, (rflags|P_COMMAND) & ~P_DQUOTE);
+ else if (ch == '{') /* } */
+ nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|rflags);
+ else if (ch == '[') /* ] */
+ nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags);
+
+ CHECK_NESTRET_ERROR ();
+ APPEND_NESTRET ();
+
+ FREE (nestret);
+ }
+ if MBTEST(ch == '$')
+ tflags |= LEX_WASDOL;
+ else
+ tflags &= ~LEX_WASDOL;
+ }
+
+ ret[retind] = '\0';
+ if (lenp)
+ *lenp = retind;
+ return ret;
+}
+
+/* Parse a $(...) command substitution. This is messier than I'd like, and
+ reproduces a lot more of the token-reading code than I'd like. */
+static char *
+parse_comsub (qc, open, close, lenp, flags)
+ int qc; /* `"' if this construct is within double quotes */
+ int open, close;
+ int *lenp, flags;
+{
+ int count, ch, peekc, tflags, lex_rwlen, lex_firstind;
+ int nestlen, ttranslen, start_lineno;
+ char *ret, *nestret, *ttrans, *heredelim;
+ int retind, retsize, rflags, hdlen;
+
+/*itrace("parse_comsub: qc = `%c' open = %c close = %c", qc, open, close);*/
+ count = 1;
+ tflags = LEX_RESWDOK;
+
+ if ((flags & P_COMMAND) && qc != '\'' && qc != '"' && (flags & P_DQUOTE) == 0)
+ tflags |= LEX_CKCASE;
+ if ((tflags & LEX_CKCASE) && (interactive == 0 || interactive_comments))
+ tflags |= LEX_CKCOMMENT;
+
+ /* RFLAGS is the set of flags we want to pass to recursive calls. */
+ rflags = (flags & P_DQUOTE);
+
+ ret = (char *)xmalloc (retsize = 64);
+ retind = 0;
+
+ start_lineno = line_number;
+ lex_rwlen = 0;
+
+ heredelim = 0;
+ lex_firstind = -1;
+
+ while (count)
+ {
+comsub_readchar:
+ ch = shell_getc (qc != '\'' && (tflags & LEX_PASSNEXT) == 0);
+
+ if (ch == EOF)
+ {
+eof_error:
+ free (ret);
+ FREE (heredelim);
+ parser_error (start_lineno, _("unexpected EOF while looking for matching `%c'"), close);
+ EOF_Reached = 1; /* XXX */
+ return (&matched_pair_error);
+ }
+
+ /* If we hit the end of a line and are reading the contents of a here
+ document, and it's not the same line that the document starts on,
+ check for this line being the here doc delimiter. Otherwise, if
+ we're in a here document, mark the next character as the beginning
+ of a line. */
+ if (ch == '\n')
+ {
+ if ((tflags & LEX_HEREDELIM) && heredelim)
+ {
+ tflags &= ~LEX_HEREDELIM;
+ tflags |= LEX_INHEREDOC;
+ lex_firstind = retind + 1;
+ }
+ else if (tflags & LEX_INHEREDOC)
+ {
+ int tind;
+ tind = lex_firstind;
+ while ((tflags & LEX_STRIPDOC) && ret[tind] == '\t')
+ tind++;
+ if (STREQN (ret + tind, heredelim, hdlen))
+ {
+ tflags &= ~(LEX_STRIPDOC|LEX_INHEREDOC);
+/*itrace("parse_comsub:%d: found here doc end `%s'", line_number, ret + tind);*/
+ lex_firstind = -1;
+ }
+ else
+ lex_firstind = retind + 1;
+ }
+ }
+
+ /* Possible reprompting. */
+ if (ch == '\n' && SHOULD_PROMPT ())
+ prompt_again ();
+
+ /* Don't bother counting parens or doing anything else if in a comment */
+ if (tflags & (LEX_INCOMMENT|LEX_INHEREDOC))
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+
+ if ((tflags & LEX_INCOMMENT) && ch == '\n')
+ tflags &= ~LEX_INCOMMENT;
+
+ continue;
+ }
+
+ /* Skip whitespace */
+ if MBTEST(shellblank (ch) && lex_rwlen == 0)
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ continue;
+ }
+
+ /* Either we are looking for the start of the here-doc delimiter
+ (lex_firstind == -1) or we are reading one (lex_firstind >= 0).
+ If this character is a shell break character and we are reading
+ the delimiter, save it and note that we are now reading a here
+ document. If we've found the start of the delimiter, note it by
+ setting lex_firstind. Backslashes can quote shell metacharacters
+ in here-doc delimiters. */
+ if (tflags & LEX_HEREDELIM)
+ {
+ if (lex_firstind == -1 && shellbreak (ch) == 0)
+ lex_firstind = retind;
+ else if (lex_firstind >= 0 && (tflags & LEX_PASSNEXT) == 0 && shellbreak (ch))
+ {
+ nestret = substring (ret, lex_firstind, retind);
+ heredelim = string_quote_removal (nestret, 0);
+ free (nestret);
+ hdlen = STRLEN(heredelim);
+/*itrace("parse_comsub:%d: found here doc delimiter `%s' (%d)", line_number, heredelim, hdlen);*/
+ if (ch == '\n')
+ {
+ tflags |= LEX_INHEREDOC;
+ tflags &= ~LEX_HEREDELIM;
+ lex_firstind = retind + 1;
+ }
+ else
+ lex_firstind = -1;
+ }
+ }
+
+ /* Meta-characters that can introduce a reserved word. Not perfect yet. */
+ if MBTEST((tflags & LEX_RESWDOK) == 0 && (tflags & LEX_CKCASE) && (tflags & LEX_INCOMMENT) == 0 && shellmeta(ch))
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ peekc = shell_getc (1);
+ if (ch == peekc && (ch == '&' || ch == '|' || ch == ';')) /* two-character tokens */
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = peekc;
+/*itrace("parse_comsub:%d: set lex_reswordok = 1, ch = `%c'", line_number, ch); */
+ tflags |= LEX_RESWDOK;
+ lex_rwlen = 0;
+ continue;
+ }
+ else if (ch == '\n' || COMSUB_META(ch))
+ {
+ shell_ungetc (peekc);
+ tflags |= LEX_RESWDOK;
+/*itrace("parse_comsub:%d: set lex_reswordok = 1, ch = `%c'", line_number, ch);*/
+ lex_rwlen = 0;
+ continue;
+ }
+ else if (ch == EOF)
+ goto eof_error;
+ else
+ {
+ /* `unget' the character we just added and fall through */
+ retind--;
+ shell_ungetc (peekc);
+ }
+ }
+
+ /* If we can read a reserved word, try to read one. */
+ if (tflags & LEX_RESWDOK)
+ {
+ if MBTEST(islower (ch))
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ lex_rwlen++;
+ continue;
+ }
+ else if MBTEST(lex_rwlen == 4 && shellbreak (ch))
+ {
+ if (STREQN (ret + retind - 4, "case", 4))
+{
+ tflags |= LEX_INCASE;
+/*itrace("parse_comsub:%d: found `case', lex_incase -> 1", line_number);*/
+}
+ else if (STREQN (ret + retind - 4, "esac", 4))
+{
+ tflags &= ~LEX_INCASE;
+/*itrace("parse_comsub:%d: found `esac', lex_incase -> 0", line_number);*/
+}
+ tflags &= ~LEX_RESWDOK;
+ }
+ else if (shellbreak (ch) == 0)
+{
+ tflags &= ~LEX_RESWDOK;
+/*itrace("parse_comsub:%d: found `%c', lex_reswordok -> 0", line_number, ch);*/
+}
+ }
+
+ if MBTEST((tflags & LEX_INCOMMENT) == 0 && (tflags & LEX_CKCASE) && ch == '<')
+ {
+ /* Add this character. */
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = ch;
+ peekc = shell_getc (1);
+ if (peekc == EOF)
+ goto eof_error;
+ if (peekc == ch)
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = peekc;
+ peekc = shell_getc (1);
+ if (peekc == EOF)
+ goto eof_error;
+ if (peekc == '-')
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
+ ret[retind++] = peekc;
+ tflags |= LEX_STRIPDOC;
+ }
+ else
+ shell_ungetc (peekc);
+ tflags |= LEX_HEREDELIM;
+ lex_firstind = -1;
+ continue;
+ }
+ else
+ ch = peekc; /* fall through and continue XXX - this skips comments if peekc == '#' */
+ }
+ /* Not exactly right yet, should handle shell metacharacters, too. If
+ any changes are made to this test, make analogous changes to subst.c:
+ extract_delimited_string(). */
+ else if MBTEST((tflags & LEX_CKCOMMENT) && (tflags & LEX_INCOMMENT) == 0 && ch == '#' && (retind == 0 || ret[retind-1] == '\n' || shellblank (ret[retind - 1])))
+ tflags |= LEX_INCOMMENT;
+
+ if (tflags & LEX_PASSNEXT) /* last char was backslash */
+ {
+ tflags &= ~LEX_PASSNEXT;
+ if (qc != '\'' && ch == '\n') /* double-quoted \<newline> disappears. */
+ {
+ if (retind > 0)
+ retind--; /* swallow previously-added backslash */
+ continue;
+ }
+
+ RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
+ if MBTEST(ch == CTLESC || ch == CTLNUL)
+ ret[retind++] = CTLESC;
+ ret[retind++] = ch;
+ continue;
+ }
+ else if MBTEST(ch == CTLESC || ch == CTLNUL) /* special shell escapes */
+ {
+ RESIZE_MALLOCED_BUFFER (ret, retind, 2, retsize, 64);
+ ret[retind++] = CTLESC;
+ ret[retind++] = ch;
+ continue;
+ }
+#if 0
+ else if MBTEST((tflags & LEX_INCASE) && ch == close && close == ')')
+ tflags &= ~LEX_INCASE; /* XXX */
#endif
- else if (((flags & P_FIRSTCLOSE) == 0) && ch == open) /* nested begin */
+ else if MBTEST(ch == close && (tflags & LEX_INCASE) == 0) /* ending delimiter */
+{
+ count--;
+/*itrace("parse_comsub:%d: found close: count = %d", line_number, count);*/
+}
+ else if MBTEST(((flags & P_FIRSTCLOSE) == 0) && (tflags & LEX_INCASE) == 0 && ch == open) /* nested begin */
count++;
/* Add this character. */
RESIZE_MALLOCED_BUFFER (ret, retind, 1, retsize, 64);
ret[retind++] = ch;
- if (open == '\'') /* '' inside grouping construct */
- {
- if ((flags & P_ALLOWESC) && ch == '\\')
- pass_next_character++;
- continue;
- }
+ /* If we just read the ending character, don't bother continuing. */
+ if (count == 0)
+ break;
- if (ch == '\\') /* backslashes */
- pass_next_character++;
+ if MBTEST(ch == '\\') /* backslashes */
+ tflags |= LEX_PASSNEXT;
- if (open != close) /* a grouping construct */
- {
- if (shellquote (ch))
+ if MBTEST(shellquote (ch))
+ {
+ /* '', ``, or "" inside $(...). */
+ push_delimiter (dstack, ch);
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'') /* $'...' inside group */
+ nestret = parse_matched_pair (ch, ch, ch, &nestlen, P_ALLOWESC|rflags);
+ else
+ nestret = parse_matched_pair (ch, ch, ch, &nestlen, rflags);
+ pop_delimiter (dstack);
+ CHECK_NESTRET_ERROR ();
+
+ if MBTEST((tflags & LEX_WASDOL) && ch == '\'' && (extended_quote || (rflags & P_DQUOTE) == 0))
{
- /* '', ``, or "" inside $(...) or other grouping construct. */
- push_delimiter (dstack, ch);
- if (was_dollar && ch == '\'') /* $'...' inside group */
- nestret = parse_matched_pair (ch, ch, ch, &nestlen, P_ALLOWESC);
- else
- nestret = parse_matched_pair (ch, ch, ch, &nestlen, 0);
- pop_delimiter (dstack);
- if (nestret == &matched_pair_error)
- {
- free (ret);
- return &matched_pair_error;
- }
- if (was_dollar && ch == '\'')
+ /* Translate $'...' here. */
+ ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen);
+ xfree (nestret);
+
+ if ((rflags & P_DQUOTE) == 0)
{
- /* Translate $'...' here. */
- ttrans = ansiexpand (nestret, 0, nestlen - 1, &ttranslen);
- xfree (nestret);
nestret = sh_single_quote (ttrans);
free (ttrans);
nestlen = strlen (nestret);
- retind -= 2; /* back up before the $' */
}
- else if (was_dollar && ch == '"')
+ else
{
- /* Locale expand $"..." here. */
- ttrans = localeexpand (nestret, 0, nestlen - 1, start_lineno, &ttranslen);
- xfree (nestret);
- nestret = (char *)xmalloc (ttranslen + 3);
- nestret[0] = '"';
- strcpy (nestret + 1, ttrans);
- nestret[ttranslen + 1] = '"';
- nestret[ttranslen += 2] = '\0';
- free (ttrans);
+ nestret = ttrans;
nestlen = ttranslen;
- retind -= 2; /* back up before the $" */
- }
- if (nestlen)
- {
- RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
- strcpy (ret + retind, nestret);
- retind += nestlen;
}
- FREE (nestret);
- }
- }
- /* Parse an old-style command substitution within double quotes as a
- single word. */
- /* XXX - sh and ksh93 don't do this - XXX */
- else if (open == '"' && ch == '`')
- {
- nestret = parse_matched_pair (0, '`', '`', &nestlen, 0);
- if (nestret == &matched_pair_error)
- {
- free (ret);
- return &matched_pair_error;
+ retind -= 2; /* back up before the $' */
}
- if (nestlen)
+ else if MBTEST((tflags & LEX_WASDOL) && ch == '"' && (extended_quote || (rflags & P_DQUOTE) == 0))
{
- RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
- strcpy (ret + retind, nestret);
- retind += nestlen;
+ /* Locale expand $"..." here. */
+ ttrans = localeexpand (nestret, 0, nestlen - 1, start_lineno, &ttranslen);
+ xfree (nestret);
+
+ nestret = sh_mkdoublequoted (ttrans, ttranslen, 0);
+ free (ttrans);
+ nestlen = ttranslen + 2;
+ retind -= 2; /* back up before the $" */
}
+
+ APPEND_NESTRET ();
FREE (nestret);
}
- else if (was_dollar && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
- /* check for $(), $[], or ${} inside quoted string. */
+ else if MBTEST((tflags & LEX_WASDOL) && (ch == '(' || ch == '{' || ch == '[')) /* ) } ] */
+ /* check for $(), $[], or ${} inside command substitution. */
{
- if (open == ch) /* undo previous increment */
+ if ((tflags & LEX_INCASE) == 0 && open == ch) /* undo previous increment */
count--;
if (ch == '(') /* ) */
- nestret = parse_matched_pair (0, '(', ')', &nestlen, 0);
+ nestret = parse_comsub (0, '(', ')', &nestlen, (rflags|P_COMMAND) & ~P_DQUOTE);
else if (ch == '{') /* } */
- nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE);
+ nestret = parse_matched_pair (0, '{', '}', &nestlen, P_FIRSTCLOSE|rflags);
else if (ch == '[') /* ] */
- nestret = parse_matched_pair (0, '[', ']', &nestlen, 0);
- if (nestret == &matched_pair_error)
- {
- free (ret);
- return &matched_pair_error;
- }
- if (nestlen)
- {
- RESIZE_MALLOCED_BUFFER (ret, retind, nestlen, retsize, 64);
- strcpy (ret + retind, nestret);
- retind += nestlen;
- }
+ nestret = parse_matched_pair (0, '[', ']', &nestlen, rflags);
+
+ CHECK_NESTRET_ERROR ();
+ APPEND_NESTRET ();
+
FREE (nestret);
}
- was_dollar = (ch == '$');
+ if MBTEST(ch == '$')
+ tflags |= LEX_WASDOL;
+ else
+ tflags &= ~LEX_WASDOL;
}
+ FREE (heredelim);
ret[retind] = '\0';
if (lenp)
*lenp = retind;
+/*itrace("parse_comsub:%d: returning `%s'", line_number, ret);*/
+ return ret;
+}
+
+/* XXX - this needs to handle functionality like subst.c:no_longjmp_on_fatal_error;
+ maybe extract_command_subst should handle it. */
+char *
+xparse_dolparen (base, string, indp, flags)
+ char *base;
+ char *string;
+ int *indp;
+ int flags;
+{
+ sh_parser_state_t ps;
+ int orig_ind, nc, sflags;
+ char *ret, *s, *ep, *ostring;
+
+ /*yydebug = 1;*/
+ orig_ind = *indp;
+ ostring = string;
+
+ sflags = SEVAL_NONINT|SEVAL_NOHIST|SEVAL_NOFREE;
+ if (flags & SX_NOLONGJMP)
+ sflags |= SEVAL_NOLONGJMP;
+ save_parser_state (&ps);
+
+ /*(*/
+ parser_state |= PST_CMDSUBST|PST_EOFTOKEN; /* allow instant ')' */ /*(*/
+ shell_eof_token = ')';
+ parse_string (string, "command substitution", sflags, &ep);
+
+ restore_parser_state (&ps);
+ reset_parser ();
+ if (interactive)
+ token_to_read = 0;
+
+ /* Need to find how many characters parse_and_execute consumed, update
+ *indp, if flags != 0, copy the portion of the string parsed into RET
+ and return it. If flags & 1 (EX_NOALLOC) we can return NULL. */
+
+ /*(*/
+ if (ep[-1] != ')')
+ {
+#if DEBUG
+ if (ep[-1] != '\n')
+ itrace("xparse_dolparen:%d: ep[-1] != RPAREN (%d), ep = `%s'", line_number, ep[-1], ep);
+#endif
+ while (ep > ostring && ep[-1] == '\n') ep--;
+ }
+
+ nc = ep - ostring;
+ *indp = ep - base - 1;
+
+ /*(*/
+#if DEBUG
+ if (base[*indp] != ')')
+ itrace("xparse_dolparen:%d: base[%d] != RPAREN (%d), base = `%s'", line_number, *indp, base[*indp], base);
+#endif
+
+ if (flags & SX_NOALLOC)
+ return (char *)NULL;
+
+ if (nc == 0)
+ {
+ ret = xmalloc (1);
+ ret[0] = '\0';
+ }
+ else
+ ret = substring (ostring, 0, nc - 1);
+
return ret;
}
#if defined (DPAREN_ARITHMETIC) || defined (ARITH_FOR_COMMAND)
+/* Parse a double-paren construct. It can be either an arithmetic
+ command, an arithmetic `for' command, or a nested subshell. Returns
+ the parsed token, -1 on error, or -2 if we didn't do anything and
+ should just go on. */
+static int
+parse_dparen (c)
+ int c;
+{
+ int cmdtyp, sline;
+ char *wval;
+ WORD_DESC *wd;
+
+#if defined (ARITH_FOR_COMMAND)
+ if (last_read_token == FOR)
+ {
+ arith_for_lineno = line_number;
+ cmdtyp = parse_arith_cmd (&wval, 0);
+ if (cmdtyp == 1)
+ {
+ wd = alloc_word_desc ();
+ wd->word = wval;
+ yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
+ return (ARITH_FOR_EXPRS);
+ }
+ else
+ return -1; /* ERROR */
+ }
+#endif
+
+#if defined (DPAREN_ARITHMETIC)
+ if (reserved_word_acceptable (last_read_token))
+ {
+ sline = line_number;
+
+ cmdtyp = parse_arith_cmd (&wval, 0);
+ if (cmdtyp == 1) /* arithmetic command */
+ {
+ wd = alloc_word_desc ();
+ wd->word = wval;
+ wd->flags = W_QUOTED|W_NOSPLIT|W_NOGLOB|W_DQUOTE;
+ yylval.word_list = make_word_list (wd, (WORD_LIST *)NULL);
+ return (ARITH_CMD);
+ }
+ else if (cmdtyp == 0) /* nested subshell */
+ {
+ push_string (wval, 0, (alias_t *)NULL);
+ if ((parser_state & PST_CASEPAT) == 0)
+ parser_state |= PST_SUBSHELL;
+ return (c);
+ }
+ else /* ERROR */
+ return -1;
+ }
+#endif
+
+ return -2; /* XXX */
+}
+
/* We've seen a `(('. Look for the matching `))'. If we get it, return 1.
If not, assume it's a nested subshell for backwards compatibility and
return 0. In any case, put the characters we've consumed into a locally-
allocated buffer and make *ep point to that buffer. Return -1 on an
error, for example EOF. */
static int
-parse_arith_cmd (ep)
+parse_arith_cmd (ep, adddq)
char **ep;
+ int adddq;
{
int exp_lineno, rval, c;
char *ttok, *tokstr;
return -1;
/* Check that the next character is the closing right paren. If
not, this is a syntax error. ( */
- if ((c = shell_getc (0)) != ')')
+ c = shell_getc (0);
+ if MBTEST(c != ')')
rval = 0;
tokstr = (char *)xmalloc (ttoklen + 4);
- /* (( ... )) -> "..." */
- tokstr[0] = (rval == 1) ? '"' : '(';
- strncpy (tokstr + 1, ttok, ttoklen - 1); /* don't copy the final `)' */
- if (rval == 1)
+ /* if ADDDQ != 0 then (( ... )) -> "..." */
+ if (rval == 1 && adddq) /* arith cmd, add double quotes */
{
+ tokstr[0] = '"';
+ strncpy (tokstr + 1, ttok, ttoklen - 1);
tokstr[ttoklen] = '"';
tokstr[ttoklen+1] = '\0';
}
- else
+ else if (rval == 1) /* arith cmd, don't add double quotes */
+ {
+ strncpy (tokstr, ttok, ttoklen - 1);
+ tokstr[ttoklen-1] = '\0';
+ }
+ else /* nested subshell */
{
+ tokstr[0] = '(';
+ strncpy (tokstr + 1, ttok, ttoklen - 1);
tokstr[ttoklen] = ')';
tokstr[ttoklen+1] = c;
tokstr[ttoklen+2] = '\0';
}
+
*ep = tokstr;
FREE (ttok);
return rval;
#endif /* DPAREN_ARITHMETIC || ARITH_FOR_COMMAND */
#if defined (COND_COMMAND)
+static void
+cond_error ()
+{
+ char *etext;
+
+ if (EOF_Reached && cond_token != COND_ERROR) /* [[ */
+ parser_error (cond_lineno, _("unexpected EOF while looking for `]]'"));
+ else if (cond_token != COND_ERROR)
+ {
+ if (etext = error_token_from_token (cond_token))
+ {
+ parser_error (cond_lineno, _("syntax error in conditional expression: unexpected token `%s'"), etext);
+ free (etext);
+ }
+ else
+ parser_error (cond_lineno, _("syntax error in conditional expression"));
+ }
+}
+
static COND_COM *
cond_expr ()
{
{
while ((cond_token = read_token (READ)) == '\n')
{
- if (interactive && (bash_input.type == st_stdin || bash_input.type == st_stream))
+ if (SHOULD_PROMPT ())
prompt_again ();
}
return (cond_token);
WORD_DESC *op;
COND_COM *term, *tleft, *tright;
int tok, lineno;
+ char *etext;
/* Read a token. It can be a left paren, a `!', a unary operator, or a
word that should be the first argument of a binary operator. Start by
{
if (term)
dispose_cond_node (term); /* ( */
- parser_error (lineno, "expected `)'");
+ if (etext = error_token_from_token (cond_token))
+ {
+ parser_error (lineno, _("unexpected token `%s', expected `)'"), etext);
+ free (etext);
+ }
+ else
+ parser_error (lineno, _("expected `)'"));
COND_RETURN_ERROR ();
}
term = make_cond_node (COND_EXPR, (WORD_DESC *)NULL, term, (COND_COM *)NULL);
if (term)
term->flags |= CMD_INVERT_RETURN;
}
- else if (tok == WORD && test_unop (yylval.word->word))
+ else if (tok == WORD && yylval.word->word[0] == '-' && yylval.word->word[2] == 0 && test_unop (yylval.word->word))
{
op = yylval.word;
tok = read_token (READ);
else
{
dispose_word (op);
- parser_error (line_number, "unexpected argument to conditional unary operator");
+ if (etext = error_token_from_token (tok))
+ {
+ parser_error (line_number, _("unexpected argument `%s' to conditional unary operator"), etext);
+ free (etext);
+ }
+ else
+ parser_error (line_number, _("unexpected argument to conditional unary operator"));
COND_RETURN_ERROR ();
}
tok = read_token (READ);
if (tok == WORD && test_binop (yylval.word->word))
op = yylval.word;
+#if defined (COND_REGEXP)
+ else if (tok == WORD && STREQ (yylval.word->word, "=~"))
+ {
+ op = yylval.word;
+ parser_state |= PST_REGEXP;
+ }
+#endif
else if (tok == '<' || tok == '>')
op = make_word_from_token (tok); /* ( */
/* There should be a check before blindly accepting the `)' that we have
}
else
{
- parser_error (line_number, "conditional binary operator expected");
+ if (etext = error_token_from_token (tok))
+ {
+ parser_error (line_number, _("unexpected token `%s', conditional binary operator expected"), etext);
+ free (etext);
+ }
+ else
+ parser_error (line_number, _("conditional binary operator expected"));
dispose_cond_node (tleft);
COND_RETURN_ERROR ();
}
/* rhs */
tok = read_token (READ);
+ parser_state &= ~PST_REGEXP;
if (tok == WORD)
{
tright = make_cond_node (COND_TERM, yylval.word, (COND_COM *)NULL, (COND_COM *)NULL);
}
else
{
- parser_error (line_number, "unexpected argument to conditional binary operator");
+ if (etext = error_token_from_token (tok))
+ {
+ parser_error (line_number, _("unexpected argument `%s' to conditional binary operator"), etext);
+ free (etext);
+ }
+ else
+ parser_error (line_number, _("unexpected argument to conditional binary operator"));
dispose_cond_node (tleft);
dispose_word (op);
COND_RETURN_ERROR ();
else
{
if (tok < 256)
- parser_error (line_number, "unexpected token `%c' in conditional command", tok);
+ parser_error (line_number, _("unexpected token `%c' in conditional command"), tok);
+ else if (etext = error_token_from_token (tok))
+ {
+ parser_error (line_number, _("unexpected token `%s' in conditional command"), etext);
+ free (etext);
+ }
else
- parser_error (line_number, "unexpected token %d in conditional command", tok);
+ parser_error (line_number, _("unexpected token %d in conditional command"), tok);
COND_RETURN_ERROR ();
}
return (term);
}
#endif
+#if defined (ARRAY_VARS)
+/* When this is called, it's guaranteed that we don't care about anything
+ in t beyond i. We do save and restore the chars, though. */
+static int
+token_is_assignment (t, i)
+ char *t;
+ int i;
+{
+ unsigned char c, c1;
+ int r;
+
+ c = t[i]; c1 = t[i+1];
+ t[i] = '='; t[i+1] = '\0';
+ r = assignment (t, (parser_state & PST_COMPASSIGN) != 0);
+ t[i] = c; t[i+1] = c1;
+ return r;
+}
+
+/* XXX - possible changes here for `+=' */
+static int
+token_is_ident (t, i)
+ char *t;
+ int i;
+{
+ unsigned char c;
+ int r;
+
+ c = t[i];
+ t[i] = '\0';
+ r = legal_identifier (t);
+ t[i] = c;
+ return r;
+}
+#endif
+
static int
read_token_word (character)
int character;
/* DOLLAR_PRESENT becomes non-zero if we see a `$'. */
int dollar_present;
+ /* COMPOUND_ASSIGNMENT becomes non-zero if we are parsing a compound
+ assignment. */
+ int compound_assignment;
+
/* QUOTED becomes non-zero if we see one of ("), ('), (`), or (\). */
int quoted;
int result, peek_char;
char *ttok, *ttrans;
int ttoklen, ttranslen;
- long lvalue;
+ intmax_t lvalue;
if (token_buffer_size < TOKEN_DEFAULT_INITIAL_SIZE)
token = (char *)xrealloc (token, token_buffer_size = TOKEN_DEFAULT_INITIAL_SIZE);
token_index = 0;
all_digit_token = DIGIT (character);
- dollar_present = quoted = pass_next_character = 0;
+ dollar_present = quoted = pass_next_character = compound_assignment = 0;
for (;;)
{
if (pass_next_character)
{
pass_next_character = 0;
- goto got_character;
+ goto got_escaped_character;
}
cd = current_delimiter (dstack);
/* Handle backslashes. Quote lots of things when not inside of
double-quotes, quote some things inside of double-quotes. */
- if (character == '\\')
+ if MBTEST(character == '\\')
{
peek_char = shell_getc (0);
}
/* Parse a matched pair of quote characters. */
- if (shellquote (character))
+ if MBTEST(shellquote (character))
{
push_delimiter (dstack, character);
- ttok = parse_matched_pair (character, character, character, &ttoklen, 0);
+ ttok = parse_matched_pair (character, character, character, &ttoklen, (character == '`') ? P_COMMAND : 0);
pop_delimiter (dstack);
if (ttok == &matched_pair_error)
return -1; /* Bail immediately. */
goto next_character;
}
+#ifdef COND_REGEXP
+ /* When parsing a regexp as a single word inside a conditional command,
+ we need to special-case characters special to both the shell and
+ regular expressions. Right now, that is only '(' and '|'. */ /*)*/
+ if MBTEST((parser_state & PST_REGEXP) && (character == '(' || character == '|')) /*)*/
+ {
+ if (character == '|')
+ goto got_character;
+
+ push_delimiter (dstack, character);
+ ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
+ pop_delimiter (dstack);
+ if (ttok == &matched_pair_error)
+ return -1; /* Bail immediately. */
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ token_buffer_size, TOKEN_DEFAULT_GROW_SIZE);
+ token[token_index++] = character;
+ strcpy (token + token_index, ttok);
+ token_index += ttoklen;
+ FREE (ttok);
+ dollar_present = all_digit_token = 0;
+ goto next_character;
+ }
+#endif /* COND_REGEXP */
+
#ifdef EXTENDED_GLOB
/* Parse a ksh-style extended pattern matching specification. */
- if (extended_glob && PATTERN_CHAR (character))
+ if MBTEST(extended_glob && PATTERN_CHAR (character))
{
peek_char = shell_getc (1);
- if (peek_char == '(') /* ) */
+ if MBTEST(peek_char == '(') /* ) */
{
push_delimiter (dstack, peek_char);
ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
{
peek_char = shell_getc (1);
/* $(...), <(...), >(...), $((...)), ${...}, and $[...] constructs */
- if (peek_char == '(' ||
+ if MBTEST(peek_char == '(' || \
((peek_char == '{' || peek_char == '[') && character == '$')) /* ) ] } */
{
if (peek_char == '{') /* } */
history literally rather than causing a possibly-
incorrect `;' to be added. ) */
push_delimiter (dstack, peek_char);
- ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
+ ttok = parse_comsub (cd, '(', ')', &ttoklen, P_COMMAND);
pop_delimiter (dstack);
}
else
goto next_character;
}
/* This handles $'...' and $"..." new-style quoted strings. */
- else if (character == '$' && (peek_char == '\'' || peek_char == '"'))
+ else if MBTEST(character == '$' && (peek_char == '\'' || peek_char == '"'))
{
int first_line;
{
ttrans = ansiexpand (ttok, 0, ttoklen - 1, &ttranslen);
free (ttok);
+
/* Insert the single quotes and correctly quote any
embedded single quotes (allowed because P_ALLOWESC was
passed to parse_matched_pair). */
ttok = sh_single_quote (ttrans);
free (ttrans);
+ ttranslen = strlen (ttok);
ttrans = ttok;
- ttranslen = strlen (ttrans);
}
else
{
free (ttok);
/* Add the double quotes back */
- ttok = (char *)xmalloc (ttranslen + 3);
- ttok[0] = '"';
- strcpy (ttok + 1, ttrans);
- ttok[ttranslen + 1] = '"';
- ttok[ttranslen += 2] = '\0';
+ ttok = sh_mkdoublequoted (ttrans, ttranslen, 0);
free (ttrans);
+ ttranslen += 2;
ttrans = ttok;
}
}
/* This could eventually be extended to recognize all of the
shell's single-character parameter expansions, and set flags.*/
- else if (character == '$' && peek_char == '$')
+ else if MBTEST(character == '$' && peek_char == '$')
{
ttok = (char *)xmalloc (3);
ttok[0] = ttok[1] = '$';
}
#if defined (ARRAY_VARS)
+ /* Identify possible array subscript assignment; match [...]. If
+ parser_state&PST_COMPASSIGN, we need to parse [sub]=words treating
+ `sub' as if it were enclosed in double quotes. */
+ else if MBTEST(character == '[' && /* ] */
+ ((token_index > 0 && assignment_acceptable (last_read_token) && token_is_ident (token, token_index)) ||
+ (token_index == 0 && (parser_state&PST_COMPASSIGN))))
+ {
+ ttok = parse_matched_pair (cd, '[', ']', &ttoklen, 0);
+ if (ttok == &matched_pair_error)
+ return -1; /* Bail immediately. */
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ token_buffer_size,
+ TOKEN_DEFAULT_GROW_SIZE);
+ token[token_index++] = character;
+ strcpy (token + token_index, ttok);
+ token_index += ttoklen;
+ FREE (ttok);
+ all_digit_token = 0;
+ goto next_character;
+ }
/* Identify possible compound array variable assignment. */
- else if (character == '=' && token_index > 0)
+ else if MBTEST(character == '=' && token_index > 0 && (assignment_acceptable (last_read_token) || (parser_state & PST_ASSIGNOK)) && token_is_assignment (token, token_index))
{
peek_char = shell_getc (1);
- if (peek_char == '(') /* ) */
+ if MBTEST(peek_char == '(') /* ) */
{
- ttok = parse_matched_pair (cd, '(', ')', &ttoklen, 0);
- if (ttok == &matched_pair_error)
- return -1; /* Bail immediately. */
- if (ttok[0] == '(') /* ) */
- {
- FREE (ttok);
- return -1;
- }
- RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 2,
+ ttok = parse_compound_assignment (&ttoklen);
+
+ RESIZE_MALLOCED_BUFFER (token, token_index, ttoklen + 4,
token_buffer_size,
TOKEN_DEFAULT_GROW_SIZE);
- token[token_index++] = character;
- token[token_index++] = peek_char;
- strcpy (token + token_index, ttok);
- token_index += ttoklen;
+
+ token[token_index++] = '=';
+ token[token_index++] = '(';
+ if (ttok)
+ {
+ strcpy (token + token_index, ttok);
+ token_index += ttoklen;
+ }
+ token[token_index++] = ')';
FREE (ttok);
all_digit_token = 0;
+ compound_assignment = 1;
+#if 1
goto next_character;
+#else
+ goto got_token; /* ksh93 seems to do this */
+#endif
}
else
shell_ungetc (peek_char);
/* When not parsing a multi-character word construct, shell meta-
characters break words. */
- if (shellbreak (character))
+ if MBTEST(shellbreak (character))
{
shell_ungetc (character);
goto got_token;
got_character:
- all_digit_token &= DIGIT (character);
- dollar_present |= character == '$';
-
if (character == CTLESC || character == CTLNUL)
token[token_index++] = CTLESC;
+ got_escaped_character:
+
+ all_digit_token &= DIGIT (character);
+ dollar_present |= character == '$';
+
token[token_index++] = character;
RESIZE_MALLOCED_BUFFER (token, token_index, 1, token_buffer_size,
TOKEN_DEFAULT_GROW_SIZE);
next_character:
- if (character == '\n' && interactive &&
- (bash_input.type == st_stdin || bash_input.type == st_stream))
+ if (character == '\n' && SHOULD_PROMPT ())
prompt_again ();
/* We want to remove quoted newlines (that is, a \<newline> pair)
is a `<', or a `&', or the character which ended this token is
a '>' or '<', then, and ONLY then, is this input token a NUMBER.
Otherwise, it is just a word, and should be returned as such. */
- if (all_digit_token && (character == '<' || character == '>' ||
- last_read_token == LESS_AND ||
+ if MBTEST(all_digit_token && (character == '<' || character == '>' || \
+ last_read_token == LESS_AND || \
last_read_token == GREATER_AND))
{
if (legal_number (token, &lvalue) && (int)lvalue == lvalue)
}
/* Check for special case tokens. */
- result = special_case_tokens (token);
+ result = (last_shell_getc_is_singlebyte) ? special_case_tokens (token) : -1;
if (result >= 0)
return result;
/* Posix.2 does not allow reserved words to be aliased, so check for all
of them, including special cases, before expanding the current token
as an alias. */
- if (posixly_correct)
+ if MBTEST(posixly_correct)
CHECK_FOR_RESERVED_WORD (token);
/* Aliases are expanded iff EXPAND_ALIASES is non-zero, and quoting
/* If not in Posix.2 mode, check for reserved words after alias
expansion. */
- if (posixly_correct == 0)
+ if MBTEST(posixly_correct == 0)
#endif
CHECK_FOR_RESERVED_WORD (token);
if (dollar_present)
the_word->flags |= W_HASDOLLAR;
if (quoted)
- the_word->flags |= W_QUOTED;
+ the_word->flags |= W_QUOTED; /*(*/
+ if (compound_assignment && token[token_index-1] == ')')
+ the_word->flags |= W_COMPASSIGN;
/* A word is an assignment if it appears at the beginning of a
simple command, or after another assignment word. This is
context-dependent, so it cannot be handled in the grammar. */
- if (assignment (token))
- {
- the_word->flags |= W_ASSIGNMENT;
- /* Don't perform word splitting on assignment statements. */
- if (assignment_acceptable (last_read_token))
- the_word->flags |= W_NOSPLIT;
- }
-
- yylval.word = the_word;
-
- result = ((the_word->flags & (W_ASSIGNMENT|W_NOSPLIT)) == (W_ASSIGNMENT|W_NOSPLIT))
- ? ASSIGNMENT_WORD : WORD;
-
- if (last_read_token == FUNCTION)
- {
- parser_state |= PST_ALLOWOPNBRC;
- function_dstart = line_number;
- }
-
- return (result);
-}
-
-/* $'...' ANSI-C expand the portion of STRING between START and END and
- return the result. The result cannot be longer than the input string. */
-static char *
-ansiexpand (string, start, end, lenp)
- char *string;
- int start, end, *lenp;
-{
- char *temp, *t;
- int len, tlen;
-
- temp = (char *)xmalloc (end - start + 1);
- for (tlen = 0, len = start; len < end; )
- temp[tlen++] = string[len++];
- temp[tlen] = '\0';
-
- if (*temp)
+ if (assignment (token, (parser_state & PST_COMPASSIGN) != 0))
{
- t = ansicstr (temp, tlen, 0, (int *)NULL, lenp);
- free (temp);
- return (t);
- }
- else
- {
- if (lenp)
- *lenp = 0;
- return (temp);
- }
-}
-
-/* Change a bash string into a string suitable for inclusion in a `po' file.
- This backslash-escapes `"' and `\' and changes newlines into \\\n"\n". */
-static char *
-mk_msgstr (string, foundnlp)
- char *string;
- int *foundnlp;
-{
- register int c, len;
- char *result, *r, *s;
-
- for (len = 0, s = string; s && *s; s++)
- {
- len++;
- if (*s == '"' || *s == '\\')
- len++;
- else if (*s == '\n')
- len += 5;
- }
-
- r = result = (char *)xmalloc (len + 3);
- *r++ = '"';
-
- for (s = string; s && (c = *s); s++)
- {
- if (c == '\n') /* <NL> -> \n"<NL>" */
- {
- *r++ = '\\';
- *r++ = 'n';
- *r++ = '"';
- *r++ = '\n';
- *r++ = '"';
- if (foundnlp)
- *foundnlp = 1;
- continue;
- }
- if (c == '"' || c == '\\')
- *r++ = '\\';
- *r++ = c;
- }
-
- *r++ = '"';
- *r++ = '\0';
-
- return result;
-}
-
-/* $"..." -- Translate the portion of STRING between START and END
- according to current locale using gettext (if available) and return
- the result. The caller will take care of leaving the quotes intact.
- The string will be left without the leading `$' by the caller.
- If translation is performed, the translated string will be double-quoted
- by the caller. The length of the translated string is returned in LENP,
- if non-null. */
-static char *
-localeexpand (string, start, end, lineno, lenp)
- char *string;
- int start, end, lineno, *lenp;
-{
- int len, tlen, foundnl;
- char *temp, *t, *t2;
-
- temp = (char *)xmalloc (end - start + 1);
- for (tlen = 0, len = start; len < end; )
- temp[tlen++] = string[len++];
- temp[tlen] = '\0';
-
- /* If we're just dumping translatable strings, don't do anything with the
- string itself, but if we're dumping in `po' file format, convert it into a form more palatable to gettext(3)
- and friends by quoting `"' and `\' with backslashes and converting <NL>
- into `\n"<NL>"'. If we find a newline in TEMP, we first output a
- `msgid ""' line and then the translated string; otherwise we output the
- `msgid' and translated string all on one line. */
- if (dump_translatable_strings)
- {
- if (dump_po_strings)
- {
- foundnl = 0;
- t = mk_msgstr (temp, &foundnl);
- t2 = foundnl ? "\"\"\n" : "";
-
- printf ("#: %s:%d\nmsgid %s%s\nmsgstr \"\"\n",
- (bash_input.name ? bash_input.name : "stdin"), lineno, t2, t);
- free (t);
- }
- else
- printf ("\"%s\"\n", temp);
-
- if (lenp)
- *lenp = tlen;
- return (temp);
+ the_word->flags |= W_ASSIGNMENT;
+ /* Don't perform word splitting on assignment statements. */
+ if (assignment_acceptable (last_read_token) || (parser_state & PST_COMPASSIGN) != 0)
+ the_word->flags |= W_NOSPLIT;
}
- else if (*temp)
+
+ if (command_token_position (last_read_token))
{
- t = localetrans (temp, tlen, &len);
- free (temp);
- if (lenp)
- *lenp = len;
- return (t);
+ struct builtin *b;
+ b = builtin_address_internal (token, 0);
+ if (b && (b->flags & ASSIGNMENT_BUILTIN))
+ parser_state |= PST_ASSIGNOK;
+ else if (STREQ (token, "eval") || STREQ (token, "let"))
+ parser_state |= PST_ASSIGNOK;
}
- else
+
+ yylval.word = the_word;
+
+ result = ((the_word->flags & (W_ASSIGNMENT|W_NOSPLIT)) == (W_ASSIGNMENT|W_NOSPLIT))
+ ? ASSIGNMENT_WORD : WORD;
+
+ switch (last_read_token)
{
- if (lenp)
- *lenp = 0;
- return (temp);
+ case FUNCTION:
+ parser_state |= PST_ALLOWOPNBRC;
+ function_dstart = line_number;
+ break;
+ case CASE:
+ case SELECT:
+ case FOR:
+ if (word_top < MAX_CASE_NEST)
+ word_top++;
+ word_lineno[word_top] = line_number;
+ break;
}
+
+ return (result);
}
/* Return 1 if TOKSYM is a token that after being read would allow
reserved_word_acceptable (toksym)
int toksym;
{
- if (toksym == '\n' || toksym == ';' || toksym == '(' || toksym == ')' ||
- toksym == '|' || toksym == '&' || toksym == '{' ||
- toksym == '}' || /* XXX */
- toksym == AND_AND ||
- toksym == BANG ||
- toksym == TIME || toksym == TIMEOPT ||
- toksym == DO ||
- toksym == ELIF ||
- toksym == ELSE ||
- toksym == FI ||
- toksym == IF ||
- toksym == OR_OR ||
- toksym == SEMI_SEMI ||
- toksym == THEN ||
- toksym == UNTIL ||
- toksym == WHILE ||
- toksym == DONE || /* XXX these two are experimental */
- toksym == ESAC ||
- toksym == 0)
- return (1);
- else
- return (0);
+ switch (toksym)
+ {
+ case '\n':
+ case ';':
+ case '(':
+ case ')':
+ case '|':
+ case '&':
+ case '{':
+ case '}': /* XXX */
+ case AND_AND:
+ case BANG:
+ case DO:
+ case DONE:
+ case ELIF:
+ case ELSE:
+ case ESAC:
+ case FI:
+ case IF:
+ case OR_OR:
+ case SEMI_SEMI:
+ case SEMI_AND:
+ case SEMI_SEMI_AND:
+ case THEN:
+ case TIME:
+ case TIMEOPT:
+ case COPROC:
+ case UNTIL:
+ case WHILE:
+ case 0:
+ return 1;
+ default:
+#if defined (COPROCESS_SUPPORT)
+ if (last_read_token == WORD && token_before_that == COPROC)
+ return 1;
+#endif
+ return 0;
+ }
}
-
+
/* Return the index of TOKEN in the alist of reserved words, or -1 if
TOKEN is not a shell reserved word. */
int
/* A list of tokens which can be followed by newlines, but not by
semi-colons. When concatenating multiple lines of history, the
newline separator for such tokens is replaced with a space. */
-static int no_semi_successors[] = {
+static const int no_semi_successors[] = {
'\n', '{', '(', ')', ';', '&', '|',
- CASE, DO, ELSE, IF, SEMI_SEMI, THEN, UNTIL, WHILE, AND_AND, OR_OR, IN,
+ CASE, DO, ELSE, IF, SEMI_SEMI, SEMI_AND, SEMI_SEMI_AND, THEN, UNTIL,
+ WHILE, AND_AND, OR_OR, IN,
0
};
if (dstack.delimiter_depth != 0)
return ("\n");
-
+
+ /* We look for current_command_line_count == 2 because we are looking to
+ add the first line of the body of the here document (the second line
+ of the command). */
+ if (parser_state & PST_HEREDOC)
+ return (current_command_line_count == 2 ? "\n" : "");
+
/* First, handle some special cases. */
/*(*/
/* If we just read `()', assume it's a function definition, and don't
{
/* Tricky. `for i\nin ...' should not have a semicolon, but
`for i\ndo ...' should. We do what we can. */
- for (i = shell_input_line_index; whitespace(shell_input_line[i]); i++)
+ for (i = shell_input_line_index; whitespace (shell_input_line[i]); i++)
;
if (shell_input_line[i] && shell_input_line[i] == 'i' && shell_input_line[i+1] == 'n')
return " ";
return ";";
}
+ else if (two_tokens_ago == CASE && token_before_that == WORD && (parser_state & PST_CASESTMT))
+ return " ";
for (i = 0; no_semi_successors[i]; i++)
{
{
char *temp_prompt;
- if (!interactive) /* XXX */
+ if (interactive == 0 || expanding_alias()) /* XXX */
return;
ps1_prompt = get_string_value ("PS1");
may contain special characters which are decoded as follows:
\a bell (ascii 07)
- \e escape (ascii 033)
\d the date in Day Mon Date format
+ \e escape (ascii 033)
\h the hostname up to the first `.'
\H the hostname
\j the number of active jobs
\l the basename of the shell's tty device name
\n CRLF
+ \r CR
\s the name of the shell
\t the time in 24-hour hh:mm:ss format
\T the time in 12-hour hh:mm:ss format
- \@ the time in 12-hour am/pm format
+ \@ the time in 12-hour hh:mm am/pm format
+ \A the time in 24-hour hh:mm format
+ \D{fmt} the result of passing FMT to strftime(3)
+ \u your username
\v the version of bash (e.g., 2.00)
\V the release of bash, version + patchlevel (e.g., 2.00.0)
\w the current working directory
\W the last element of $PWD
- \u your username
- \# the command number of this command
\! the history number of this command
+ \# the command number of this command
\$ a $ or a # if you are root
\nnn character code nnn in octal
\\ a backslash
int last_exit_value;
#if defined (PROMPT_STRING_DECODE)
int result_size, result_index;
- int c, n;
+ int c, n, i;
char *temp, octal_string[4];
+ struct tm *tm;
time_t the_time;
+ char timebuf[128];
+ char *timefmt;
result = (char *)xmalloc (result_size = PROMPT_GROWTH);
result[result_index = 0] = 0;
for (c = 0; n != -1 && c < 3 && ISOCTAL (*string); c++)
string++;
- c = 0;
+ c = 0; /* tested at add_string: */
goto add_string;
- case 't':
case 'd':
+ case 't':
case 'T':
case '@':
case 'A':
/* Make the current time/date into a string. */
- the_time = time (0);
- temp = ctime (&the_time);
+ (void) time (&the_time);
+ tm = localtime (&the_time);
+
+ if (c == 'd')
+ n = strftime (timebuf, sizeof (timebuf), "%a %b %d", tm);
+ else if (c == 't')
+ n = strftime (timebuf, sizeof (timebuf), "%H:%M:%S", tm);
+ else if (c == 'T')
+ n = strftime (timebuf, sizeof (timebuf), "%I:%M:%S", tm);
+ else if (c == '@')
+ n = strftime (timebuf, sizeof (timebuf), "%I:%M %p", tm);
+ else if (c == 'A')
+ n = strftime (timebuf, sizeof (timebuf), "%H:%M", tm);
+
+ if (n == 0)
+ timebuf[0] = '\0';
+ else
+ timebuf[sizeof(timebuf) - 1] = '\0';
+
+ temp = savestring (timebuf);
+ goto add_string;
- temp = (c != 'd') ? savestring (temp + 11) : savestring (temp);
- temp[(c != 'd') ? 8 : 10] = '\0';
- temp[(c != 'A') ? 10 : 5] = '\0';
+ case 'D': /* strftime format */
+ if (string[1] != '{') /* } */
+ goto not_escape;
- /* quick and dirty conversion to 12-hour time */
- if (c == 'T' || c == '@')
+ (void) time (&the_time);
+ tm = localtime (&the_time);
+ string += 2; /* skip { */
+ timefmt = xmalloc (strlen (string) + 3);
+ for (t = timefmt; *string && *string != '}'; )
+ *t++ = *string++;
+ *t = '\0';
+ c = *string; /* tested at add_string */
+ if (timefmt[0] == '\0')
{
- if (c == '@')
- {
- temp[5] = 'a'; /* am/pm format */
- temp[6] = 'm';
- temp[7] = '\0';
- }
- c = temp[2];
- temp[2] = '\0';
- n = atoi (temp);
- temp[2] = c;
- n -= 12;
- if (n > 0)
- {
- temp[0] = (n / 10) + '0';
- temp[1] = (n % 10) + '0';
- }
- if (n >= 0 && temp[5] == 'a')
- temp[5] = 'p';
+ timefmt[0] = '%';
+ timefmt[1] = 'X'; /* locale-specific current time */
+ timefmt[2] = '\0';
}
- goto add_string;
+ n = strftime (timebuf, sizeof (timebuf), timefmt, tm);
+ free (timefmt);
- case 'r':
- temp = (char *)xmalloc (2);
- temp[0] = '\r';
- temp[1] = '\0';
- goto add_string;
+ if (n == 0)
+ timebuf[0] = '\0';
+ else
+ timebuf[sizeof(timebuf) - 1] = '\0';
+ if (promptvars || posixly_correct)
+ /* Make sure that expand_prompt_string is called with a
+ second argument of Q_DOUBLE_QUOTES if we use this
+ function here. */
+ temp = sh_backslash_quote_for_double_quotes (timebuf);
+ else
+ temp = savestring (timebuf);
+ goto add_string;
+
case 'n':
temp = (char *)xmalloc (3);
temp[0] = no_line_editing ? '\n' : '\r';
case 'v':
case 'V':
- temp = (char *)xmalloc (8);
+ temp = (char *)xmalloc (16);
if (c == 'v')
strcpy (temp, dist_version);
else
#define ROOT_PATH(x) ((x)[0] == '/' && (x)[1] == 0)
#define DOUBLE_SLASH_ROOT(x) ((x)[0] == '/' && (x)[1] == '/' && (x)[2] == 0)
- if (c == 'W')
+ /* Abbreviate \W as ~ if $PWD == $HOME */
+ if (c == 'W' && (((t = get_string_value ("HOME")) == 0) || STREQ (t, t_string) == 0))
{
if (ROOT_PATH (t_string) == 0 && DOUBLE_SLASH_ROOT (t_string) == 0)
{
no longer than PATH_MAX - 1 characters. */
strcpy (t_string, polite_directory_format (t_string));
+ temp = trim_pathname (t_string, PATH_MAX - 1);
/* If we're going to be expanding the prompt string later,
quote the directory name. */
if (promptvars || posixly_correct)
/* Make sure that expand_prompt_string is called with a
- second argument of Q_DOUBLE_QUOTE if we use this
+ second argument of Q_DOUBLE_QUOTES if we use this
function here. */
temp = sh_backslash_quote_for_double_quotes (t_string);
else
#if defined (READLINE)
case '[':
case ']':
+ if (no_line_editing)
+ {
+ string++;
+ break;
+ }
temp = (char *)xmalloc (3);
- temp[0] = '\001';
- temp[1] = (c == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE;
- temp[2] = '\0';
+ n = (c == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE;
+ i = 0;
+ if (n == CTLESC || n == CTLNUL)
+ temp[i++] = CTLESC;
+ temp[i++] = n;
+ temp[i] = '\0';
goto add_string;
#endif /* READLINE */
case '\\':
- temp = (char *)xmalloc (2);
- temp[0] = c;
- temp[1] = '\0';
- goto add_string;
-
case 'a':
case 'e':
+ case 'r':
temp = (char *)xmalloc (2);
- temp[0] = (c == 'a') ? '\07' : '\033';
+ if (c == 'a')
+ temp[0] = '\07';
+ else if (c == 'e')
+ temp[0] = '\033';
+ else if (c == 'r')
+ temp[0] = '\r';
+ else /* (c == '\\') */
+ temp[0] = c;
temp[1] = '\0';
goto add_string;
default:
+not_escape:
temp = (char *)xmalloc (3);
temp[0] = '\\';
temp[1] = c;
if (promptvars || posixly_correct)
{
last_exit_value = last_command_exit_value;
- list = expand_prompt_string (result, Q_DOUBLE_QUOTES);
+ list = expand_prompt_string (result, Q_DOUBLE_QUOTES, 0);
free (result);
result = string_list (list);
dispose_words (list);
return (result);
}
+/************************************************
+ * *
+ * ERROR HANDLING *
+ * *
+ ************************************************/
+
/* Report a syntax error, and restart the parser. Call here for fatal
errors. */
int
return (0);
}
+static char *
+error_token_from_token (tok)
+ int tok;
+{
+ char *t;
+
+ if (t = find_token_in_alist (tok, word_token_alist, 0))
+ return t;
+
+ if (t = find_token_in_alist (tok, other_token_alist, 0))
+ return t;
+
+ t = (char *)NULL;
+ /* This stuff is dicy and needs closer inspection */
+ switch (current_token)
+ {
+ case WORD:
+ case ASSIGNMENT_WORD:
+ if (yylval.word)
+ t = savestring (yylval.word->word);
+ break;
+ case NUMBER:
+ t = itos (yylval.number);
+ break;
+ case ARITH_CMD:
+ if (yylval.word_list)
+ t = string_list (yylval.word_list);
+ break;
+ case ARITH_FOR_EXPRS:
+ if (yylval.word_list)
+ t = string_list_internal (yylval.word_list, " ; ");
+ break;
+ case COND_CMD:
+ t = (char *)NULL; /* punt */
+ break;
+ }
+
+ return t;
+}
+
+static char *
+error_token_from_text ()
+{
+ char *msg, *t;
+ int token_end, i;
+
+ t = shell_input_line;
+ i = shell_input_line_index;
+ token_end = 0;
+ msg = (char *)NULL;
+
+ if (i && t[i] == '\0')
+ i--;
+
+ while (i && (whitespace (t[i]) || t[i] == '\n'))
+ i--;
+
+ if (i)
+ token_end = i + 1;
+
+ while (i && (member (t[i], " \n\t;|&") == 0))
+ i--;
+
+ while (i != token_end && (whitespace (t[i]) || t[i] == '\n'))
+ i++;
+
+ /* Return our idea of the offending token. */
+ if (token_end || (i == 0 && token_end == 0))
+ {
+ if (token_end)
+ msg = substring (t, i, token_end);
+ else /* one-character token */
+ {
+ msg = (char *)xmalloc (2);
+ msg[0] = t[i];
+ msg[1] = '\0';
+ }
+ }
+
+ return (msg);
+}
+
+static void
+print_offending_line ()
+{
+ char *msg;
+ int token_end;
+
+ msg = savestring (shell_input_line);
+ token_end = strlen (msg);
+ while (token_end && msg[token_end - 1] == '\n')
+ msg[--token_end] = '\0';
+
+ parser_error (line_number, "`%s'", msg);
+ free (msg);
+}
+
/* Report a syntax error with line numbers, etc.
Call here for recoverable errors. If you have a message to print,
then place it in MESSAGE, otherwise pass NULL and this will figure
report_syntax_error (message)
char *message;
{
- char *msg, *t;
- int token_end, i;
- char msg2[2];
+ char *msg;
if (message)
{
}
/* If the line of input we're reading is not null, try to find the
- objectionable token. */
- if (shell_input_line && *shell_input_line)
+ objectionable token. First, try to figure out what token the
+ parser's complaining about by looking at current_token. */
+ if (current_token != 0 && EOF_Reached == 0 && (msg = error_token_from_token (current_token)))
{
- t = shell_input_line;
- i = shell_input_line_index;
- token_end = 0;
-
- if (i && t[i] == '\0')
- i--;
-
- while (i && (whitespace (t[i]) || t[i] == '\n'))
- i--;
-
- if (i)
- token_end = i + 1;
+ parser_error (line_number, _("syntax error near unexpected token `%s'"), msg);
+ free (msg);
- while (i && (member (t[i], " \n\t;|&") == 0))
- i--;
+ if (interactive == 0)
+ print_offending_line ();
- while (i != token_end && (whitespace (t[i]) || t[i] == '\n'))
- i++;
+ last_command_exit_value = EX_USAGE;
+ return;
+ }
- /* Print the offending token. */
- if (token_end || (i == 0 && token_end == 0))
+ /* If looking at the current token doesn't prove fruitful, try to find the
+ offending token by analyzing the text of the input line near the current
+ input line index and report what we find. */
+ if (shell_input_line && *shell_input_line)
+ {
+ msg = error_token_from_text ();
+ if (msg)
{
- if (token_end)
- msg = substring (t, i, token_end);
- else /* one-character token */
- {
- msg2[0] = t[i];
- msg2[1] = '\0';
- msg = msg2;
- }
-
- parser_error (line_number, "syntax error near unexpected token `%s'", msg);
-
- if (msg != msg2)
- free (msg);
+ parser_error (line_number, _("syntax error near `%s'"), msg);
+ free (msg);
}
/* If not interactive, print the line containing the error. */
if (interactive == 0)
- {
- msg = savestring (shell_input_line);
- token_end = strlen (msg);
- while (token_end && msg[token_end - 1] == '\n')
- msg[--token_end] = '\0';
-
- parser_error (line_number, "`%s'", msg);
- free (msg);
- }
+ print_offending_line ();
}
else
{
- msg = EOF_Reached ? "syntax error: unexpected end of file" : "syntax error";
+ msg = EOF_Reached ? _("syntax error: unexpected end of file") : _("syntax error");
parser_error (line_number, "%s", msg);
/* When the shell is interactive, this file uses EOF_Reached
only for error reporting. Other mechanisms are used to
if (interactive && EOF_Reached)
EOF_Reached = 0;
}
+
last_command_exit_value = EX_USAGE;
}
created during parsing. In the case of error, we want to return
allocated objects to the memory pool. In the case of no error, we want
to throw away the information about where the allocated objects live.
- (dispose_command () will actually free the command. */
+ (dispose_command () will actually free the command.) */
static void
discard_parser_constructs (error_p)
int error_p;
{
}
+/************************************************
+ * *
+ * EOF HANDLING *
+ * *
+ ************************************************/
+
/* Do that silly `type "bye" to exit' stuff. You know, "ignoreeof". */
/* A flag denoting whether or not ignoreeof is set. */
{
if (eof_encountered < eof_encountered_limit)
{
- fprintf (stderr, "Use \"%s\" to leave the shell.\n",
+ fprintf (stderr, _("Use \"%s\" to leave the shell.\n"),
login_shell ? "logout" : "exit");
eof_encountered++;
+ /* Reset the parsing state. */
+ last_read_token = current_token = '\n';
/* Reset the prompt string to be $PS1. */
prompt_string_pointer = (char **)NULL;
prompt_again ();
- last_read_token = current_token = '\n';
return;
}
}
}
}
+/************************************************
+ * *
+ * STRING PARSING FUNCTIONS *
+ * *
+ ************************************************/
+
+/* It's very important that these two functions treat the characters
+ between ( and ) identically. */
+
static WORD_LIST parse_string_error;
/* Take a string and run it through the shell parser, returning the
resultant word list. Used by compound array assignment. */
WORD_LIST *
-parse_string_to_word_list (s, whom)
+parse_string_to_word_list (s, flags, whom)
char *s;
+ int flags;
const char *whom;
{
WORD_LIST *wl;
- int tok, orig_line_number, orig_input_terminator;
+ int tok, orig_current_token, orig_line_number, orig_input_terminator;
int orig_line_count;
+ int old_echo_input, old_expand_aliases;
#if defined (HISTORY)
int old_remember_on_history, old_history_expansion_inhibited;
#endif
orig_line_number = line_number;
orig_line_count = current_command_line_count;
orig_input_terminator = shell_input_line_terminator;
+ old_echo_input = echo_input_at_read;
+ old_expand_aliases = expand_aliases;
push_stream (1);
- last_read_token = '\n';
+ last_read_token = WORD; /* WORD to allow reserved words here */
current_command_line_count = 0;
+ echo_input_at_read = expand_aliases = 0;
with_input_from_string (s, whom);
wl = (WORD_LIST *)NULL;
+
+ if (flags & 1)
+ parser_state |= PST_COMPASSIGN|PST_REPARSE;
+
while ((tok = read_token (READ)) != yacc_EOF)
{
if (tok == '\n' && *bash_input.location.string == '\0')
if (tok != WORD && tok != ASSIGNMENT_WORD)
{
line_number = orig_line_number + line_number - 1;
- yyerror ((char *)NULL); /* does the right thing */
+ orig_current_token = current_token;
+ current_token = tok;
+ yyerror (NULL); /* does the right thing */
+ current_token = orig_current_token;
if (wl)
dispose_words (wl);
wl = &parse_string_error;
# endif /* BANG_HISTORY */
#endif /* HISTORY */
+ echo_input_at_read = old_echo_input;
+ expand_aliases = old_expand_aliases;
+
current_command_line_count = orig_line_count;
shell_input_line_terminator = orig_input_terminator;
+ if (flags & 1)
+ parser_state &= ~(PST_COMPASSIGN|PST_REPARSE);
+
if (wl == &parse_string_error)
{
last_command_exit_value = EXECUTION_FAILURE;
return (REVERSE_LIST (wl, WORD_LIST *));
}
+
+static char *
+parse_compound_assignment (retlenp)
+ int *retlenp;
+{
+ WORD_LIST *wl, *rl;
+ int tok, orig_line_number, orig_token_size, orig_last_token, assignok;
+ char *saved_token, *ret;
+
+ saved_token = token;
+ orig_token_size = token_buffer_size;
+ orig_line_number = line_number;
+ orig_last_token = last_read_token;
+
+ last_read_token = WORD; /* WORD to allow reserved words here */
+
+ token = (char *)NULL;
+ token_buffer_size = 0;
+
+ assignok = parser_state&PST_ASSIGNOK; /* XXX */
+
+ wl = (WORD_LIST *)NULL; /* ( */
+ parser_state |= PST_COMPASSIGN;
+
+ while ((tok = read_token (READ)) != ')')
+ {
+ if (tok == '\n') /* Allow newlines in compound assignments */
+ {
+ if (SHOULD_PROMPT ())
+ prompt_again ();
+ continue;
+ }
+ if (tok != WORD && tok != ASSIGNMENT_WORD)
+ {
+ current_token = tok; /* for error reporting */
+ if (tok == yacc_EOF) /* ( */
+ parser_error (orig_line_number, _("unexpected EOF while looking for matching `)'"));
+ else
+ yyerror(NULL); /* does the right thing */
+ if (wl)
+ dispose_words (wl);
+ wl = &parse_string_error;
+ break;
+ }
+ wl = make_word_list (yylval.word, wl);
+ }
+
+ FREE (token);
+ token = saved_token;
+ token_buffer_size = orig_token_size;
+
+ parser_state &= ~PST_COMPASSIGN;
+
+ if (wl == &parse_string_error)
+ {
+ last_command_exit_value = EXECUTION_FAILURE;
+ last_read_token = '\n'; /* XXX */
+ if (interactive_shell == 0 && posixly_correct)
+ jump_to_top_level (FORCE_EOF);
+ else
+ jump_to_top_level (DISCARD);
+ }
+
+ last_read_token = orig_last_token; /* XXX - was WORD? */
+
+ if (wl)
+ {
+ rl = REVERSE_LIST (wl, WORD_LIST *);
+ ret = string_list (rl);
+ dispose_words (rl);
+ }
+ else
+ ret = (char *)NULL;
+
+ if (retlenp)
+ *retlenp = (ret && *ret) ? strlen (ret) : 0;
+
+ if (assignok)
+ parser_state |= PST_ASSIGNOK;
+
+ return ret;
+}
+
+/************************************************
+ * *
+ * SAVING AND RESTORING PARTIAL PARSE STATE *
+ * *
+ ************************************************/
+
+sh_parser_state_t *
+save_parser_state (ps)
+ sh_parser_state_t *ps;
+{
+#if defined (ARRAY_VARS)
+ SHELL_VAR *v;
+#endif
+
+ if (ps == 0)
+ ps = (sh_parser_state_t *)xmalloc (sizeof (sh_parser_state_t));
+ if (ps == 0)
+ return ((sh_parser_state_t *)NULL);
+
+ ps->parser_state = parser_state;
+ ps->token_state = save_token_state ();
+
+ ps->input_line_terminator = shell_input_line_terminator;
+ ps->eof_encountered = eof_encountered;
+
+ ps->current_command_line_count = current_command_line_count;
+
+#if defined (HISTORY)
+ ps->remember_on_history = remember_on_history;
+# if defined (BANG_HISTORY)
+ ps->history_expansion_inhibited = history_expansion_inhibited;
+# endif
+#endif
+
+ ps->last_command_exit_value = last_command_exit_value;
+#if defined (ARRAY_VARS)
+ v = find_variable ("PIPESTATUS");
+ if (v && array_p (v) && array_cell (v))
+ ps->pipestatus = array_copy (array_cell (v));
+ else
+ ps->pipestatus = (ARRAY *)NULL;
+#endif
+
+ ps->last_shell_builtin = last_shell_builtin;
+ ps->this_shell_builtin = this_shell_builtin;
+
+ ps->expand_aliases = expand_aliases;
+ ps->echo_input_at_read = echo_input_at_read;
+
+ return (ps);
+}
+
+void
+restore_parser_state (ps)
+ sh_parser_state_t *ps;
+{
+#if defined (ARRAY_VARS)
+ SHELL_VAR *v;
+#endif
+
+ if (ps == 0)
+ return;
+
+ parser_state = ps->parser_state;
+ if (ps->token_state)
+ {
+ restore_token_state (ps->token_state);
+ free (ps->token_state);
+ }
+
+ shell_input_line_terminator = ps->input_line_terminator;
+ eof_encountered = ps->eof_encountered;
+
+ current_command_line_count = ps->current_command_line_count;
+
+#if defined (HISTORY)
+ remember_on_history = ps->remember_on_history;
+# if defined (BANG_HISTORY)
+ history_expansion_inhibited = ps->history_expansion_inhibited;
+# endif
+#endif
+
+ last_command_exit_value = ps->last_command_exit_value;
+#if defined (ARRAY_VARS)
+ v = find_variable ("PIPESTATUS");
+ if (v && array_p (v) && array_cell (v))
+ {
+ array_dispose (array_cell (v));
+ var_setarray (v, ps->pipestatus);
+ }
+#endif
+
+ last_shell_builtin = ps->last_shell_builtin;
+ this_shell_builtin = ps->this_shell_builtin;
+
+ expand_aliases = ps->expand_aliases;
+ echo_input_at_read = ps->echo_input_at_read;
+}
+
+/************************************************
+ * *
+ * MULTIBYTE CHARACTER HANDLING *
+ * *
+ ************************************************/
+
+#if defined (HANDLE_MULTIBYTE)
+static void
+set_line_mbstate ()
+{
+ int i, previ, len, c;
+ mbstate_t mbs, prevs;
+ size_t mbclen;
+
+ if (shell_input_line == NULL)
+ return;
+ len = strlen (shell_input_line); /* XXX - shell_input_line_len ? */
+ FREE (shell_input_line_property);
+ shell_input_line_property = (char *)xmalloc (len + 1);
+
+ memset (&prevs, '\0', sizeof (mbstate_t));
+ for (i = previ = 0; i < len; i++)
+ {
+ mbs = prevs;
+
+ c = shell_input_line[i];
+ if (c == EOF)
+ {
+ int j;
+ for (j = i; j < len; j++)
+ shell_input_line_property[j] = 1;
+ break;
+ }
+
+ mbclen = mbrlen (shell_input_line + previ, i - previ + 1, &mbs);
+ if (mbclen == 1 || mbclen == (size_t)-1)
+ {
+ mbclen = 1;
+ previ = i + 1;
+ }
+ else if (mbclen == (size_t)-2)
+ mbclen = 0;
+ else if (mbclen > 1)
+ {
+ mbclen = 0;
+ previ = i + 1;
+ prevs = mbs;
+ }
+ else
+ {
+ /* XXX - what to do if mbrlen returns 0? (null wide character) */
+ int j;
+ for (j = i; j < len; j++)
+ shell_input_line_property[j] = 1;
+ break;
+ }
+
+ shell_input_line_property[i] = mbclen;
+ }
+}
+#endif /* HANDLE_MULTIBYTE */
+
projects / platform / upstream / bash.git / blobdiff