%{
+
/* Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
- * $Id$
-
- *
+This was written by steve chamberlain
+ sac@cygnus.com
*/
+typedef int bfd_vma;
+#include <ansidecl.h>
+#include "ldgram.h"
-/*SUPPRESS 529*/
-/*SUPPRESS 26*/
-/*SUPPRESS 29*/
-/*#define LEXDEBUG 0*/
-#include "bfd.h"
-#include "sysdep.h"
+int ldgram_in_defsym;
+int ldgram_had_equals;
+int ldgram_in_script;
-#include <ctype.h>
-#include "ldlex.h"
+int hex_mode;
+extern int fgetc();
+extern int yyparse();
-#include "ld.h"
-#include "ldexp.h"
-#include "ldgram.h"
-#include "ldmisc.h"
-#undef input
-#undef unput
-#define input lex_input
-#define unput lex_unput
-int debug;
+char *buystring();
+unsigned int lineno = 1;
+int old;
-static boolean ldgram_in_defsym;
-static boolean ldgram_had_equals;
-extern boolean ldgram_in_script;
-static char *command_line;
+static comment();
+
+#undef YY_INPUT
+#define YY_INPUT(buf,result,max_size) yy_input(buf, &result, max_size)
+#undef YY_FATAL_ERROR
+#define YY_FATAL_ERROR ;
+#define MAX_INCLUDE_DEPTH 10
+YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
+unsigned int include_stack_ptr = 0;
-extern int fgetc();
-extern int yyparse();
-typedef struct {
- char *name;
-int value;
-} keyword_type;
+/* STATES
+ COMMAND on command line
+ COMMENT in a C comment
+ EXPRESSION definiatelyt in an expression
+ SCRIPT definately in a script
+ SOMEWHERE either EXPRESSION or SCRIPT
+ MRI in an MRI script
+*/
#define RTOKEN(x) { yylval.token = x; return x; }
-keyword_type keywords[] =
-{
-"/", '/',
-"MEMORY",MEMORY,
-"ORIGIN",ORIGIN,
-"BLOCK",BLOCK,
-"LENGTH",LENGTH,
-"ALIGN",ALIGN_K,
-"ADDR",ADDR,
-"ENTRY",ENTRY,
-"NEXT",NEXT,
-"sizeof_headers",SIZEOF_HEADERS,
-"SIZEOF_HEADERS",SIZEOF_HEADERS,
-"MAP",MAP,
-"SIZEOF",SIZEOF,
-"TARGET",TARGET_K,
-"SEARCH_DIR",SEARCH_DIR,
-"OUTPUT",OUTPUT,
-"INPUT",INPUT,
-"DEFINED",DEFINED,
-"CREATE_OBJECT_SYMBOLS",CREATE_OBJECT_SYMBOLS,
-"CONSTRUCTORS", CONSTRUCTORS,
-"FORCE_COMMON_ALLOCATION",FORCE_COMMON_ALLOCATION,
-"SECTIONS",SECTIONS,
-"FILL",FILL,
-"STARTUP",STARTUP,
-"OUTPUT_FORMAT",OUTPUT_FORMAT,
-"OUTPUT_ARCH", OUTPUT_ARCH,
-"HLL",HLL,
-"SYSLIB",SYSLIB,
-"FLOAT",FLOAT,
-"LONG", LONG,
-"SHORT", SHORT,
-"BYTE", BYTE,
-"NOFLOAT",NOFLOAT,
-
-"NOLOAD",NOLOAD,
-"DSECT",DSECT,
-"COPY",COPY,
-"INFO",INFO,
-"OVERLAY",OVERLAY,
-
-"o",ORIGIN,
-"org",ORIGIN,
-"l", LENGTH,
-"len", LENGTH,
-0,0};
-unsigned int lineno;
-extern boolean hex_mode;
-FILE *ldlex_input_stack;
-static unsigned int have_pushback;
-
-#define NPUSHBACK 10
-int pushback[NPUSHBACK];
-int thischar;
-extern char *ldfile_input_filename;
-int donehash = 0;
-int
-lex_input()
-{
- if (have_pushback > 0)
- {
- have_pushback --;
- return thischar = pushback[have_pushback];
- }
- if (ldlex_input_stack) {
- thischar = fgetc(ldlex_input_stack);
-
- if (thischar == EOF) {
- fclose(ldlex_input_stack);
- ldlex_input_stack = (FILE *)NULL;
- ldfile_input_filename = (char *)NULL;
- /* First char after script eof is a @ so that we can tell the grammer
- that we've left */
- thischar = '@';
+%}
+%a 4000
+%o 5000
+
+CMDFILENAMECHAR [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\-\~]
+CMDFILENAMECHAR1 [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\~]
+FILENAMECHAR1 [_a-zA-Z\/\.\\\$\_\~]
+SYMBOLCHARN [_a-zA-Z\/\.\\0-9]
+FILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~]
+FILENAME {FILENAMECHAR}+
+WHITE [ \t\n]+
+
+NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
+
+
+%s COMMAND
+%s SCRIPT
+%s EXPRESSION
+%s COMMENT
+%s BOTH
+%s DEFSYMEXP
+%s MRI
+%%
+
+
+<BOTH,SCRIPT,EXPRESSION,COMMAND>"/*" { comment(); }
+
+
+<DEFSYMEXP>"-" { RTOKEN('-');}
+<DEFSYMEXP>"+" { RTOKEN('+');}
+<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = buystring(yytext); return NAME; }
+<DEFSYMEXP>[ \t] { RTOKEN(DEFSYMEND); }
+<DEFSYMEXP>"=" { RTOKEN('='); }
+<COMMAND>"-defsym"{WHITE}* { return OPTION_defsym; }
+<COMMAND>"-noinhibit_exec" { return OPTION_noinhibit_exec; }
+<COMMAND>"-noinhibit-exec" { return OPTION_noinhibit_exec; }
+<COMMAND>"-sort_common" { return OPTION_sort_common;}
+<COMMAND>"-sort-common" { return OPTION_sort_common;}
+<COMMAND>"-format" { return OPTION_format; }
+<COMMAND>"-n" { return OPTION_n; }
+<COMMAND>"-N" { return OPTION_N; }
+<COMMAND>"-r" { return OPTION_r; }
+<COMMAND>"-relax" { return OPTION_relax; }
+<COMMAND>"-i" { return OPTION_r; }
+<COMMAND>"-Ur" { return OPTION_Ur; }
+<COMMAND>"-o" { return OPTION_o; }
+<COMMAND>"-g" { return OPTION_g; }
+<COMMAND>"-e" { return OPTION_e; }
+<COMMAND>"-b" { return OPTION_b; }
+<COMMAND>"-dc" { return OPTION_dc; }
+<COMMAND>"-dp" { return OPTION_dp; }
+<COMMAND>"-d" { return OPTION_d; }
+<COMMAND>"-v" { return OPTION_v; }
+<COMMAND>"-V" { return OPTION_V; }
+<COMMAND>"-M" { return OPTION_M; }
+<COMMAND>"-Map" { return OPTION_Map;}
+<COMMAND>"-t" { return OPTION_t; }
+<COMMAND>"-X" { return OPTION_X; }
+<COMMAND>"-x" { return OPTION_x; }
+<COMMAND>"-c" { return OPTION_c; }
+<COMMAND>"-R" { return OPTION_R; }
+<COMMAND>"-u" { return OPTION_u; }
+<COMMAND>"-s" { return OPTION_s; }
+<COMMAND>"-S" { return OPTION_S; }
+<COMMAND>"-Bstat" { return OPTION_Bstatic; }
+<COMMAND>"-B"{FILENAME} { /* Ignored */ }
+<COMMAND>"-l"{FILENAME} {
+ yylval.name = buystring(yytext+2);
+ return OPTION_l;
+ }
+
+<COMMAND>"-L"{FILENAME} {
+ yylval.name = buystring(yytext+2);
+ return OPTION_L;
+ }
+<COMMAND>"-Ttext" {
+ yylval.name = ".text";
+ return OPTION_Texp;
+ }
+<COMMAND>"-Tdata" {
+ yylval.name = ".data";
+ return OPTION_Texp;
+ }
+<COMMAND>"-Tbss" {
+ yylval.name = ".bss";
+ return OPTION_Texp;
+ }
+<COMMAND>"-O"{FILENAME} {
+ yylval.name = buystring(yytext+2);
+ return OPTION_Texp;
+ }
+
+<COMMAND>"-T"{FILENAME} {
+ yylval.name = buystring(yytext+2);
+ return OPTION_Tfile;
+ }
+<COMMAND>"-T" {
+ return OPTION_T;
+ }
+
+<COMMAND>"-F"{FILENAME} {
+ return OPTION_F;
+ }
+<COMMAND>"-F" {
+ return OPTION_F;
+ }
+
+<COMMAND>"-y"{FILENAME} {
+ yylval.name = buystring(yytext+2);
+ return OPTION_y;
+ }
+
+<COMMAND>"-A"{FILENAME} {
+ yylval.name = buystring(yytext+2);
+ return OPTION_Aarch;
+ }
+
+<COMMAND>"-retain-symbols-file" { return OPTION_RETAIN_SYMBOLS_FILE; }
+
+<MRI,EXPRESSION>"$"([0-9A-Fa-f])+ {
+ yylval.integer = strtoul(yytext+1, 0,16);
+ return INT;
+ }
+
+<MRI,EXPRESSION>([0-9A-Fa-f])+(H|X|B|O|D) {
+ int base ;
+ switch (yytext[yyleng-1]) {
+ case 'X':
+ case 'H':
+ base = 16;
+ break;
+ case 'O':
+ base = 8;
+ break;
+ case 'B':
+ base = 2;
+ break;
+ default:
+ base = 10;
+ }
+ yylval.integer = strtoul(yytext+1, 0, base);
+ return INT;
+ }
+<DEFSYMEXP,MRI,BOTH,EXPRESSION>"$"?"0x"?([0-9A-Fa-f])+(M|K|m|k)? {
+ yylval.integer = strtoul(yytext,0,hex_mode);
+ if (yytext[yyleng-1]=='M'
+ || yytext[yyleng-1] == 'm') {
+ yylval.integer *= 1024*1024;
+ }
+ if (yytext[yyleng-1]=='K'
+ || yytext[yyleng-1]=='k') {
+ yylval.integer *= 1024;
+ }
+ return INT;
+ }
+<BOTH,SCRIPT,EXPRESSION>"]" { RTOKEN(']');}
+<BOTH,SCRIPT,EXPRESSION>"[" { RTOKEN('[');}
+<BOTH,SCRIPT,EXPRESSION>"<<=" { RTOKEN(LSHIFTEQ);}
+<BOTH,SCRIPT,EXPRESSION>">>=" { RTOKEN(RSHIFTEQ);}
+<BOTH,SCRIPT,EXPRESSION>"||" { RTOKEN(OROR);}
+<BOTH,SCRIPT,EXPRESSION>"==" { RTOKEN(EQ);}
+<BOTH,SCRIPT,EXPRESSION>"!=" { RTOKEN(NE);}
+<BOTH,SCRIPT,EXPRESSION>">=" { RTOKEN(GE);}
+<BOTH,SCRIPT,EXPRESSION>"<=" { RTOKEN(LE);}
+<BOTH,SCRIPT,EXPRESSION>"<<" { RTOKEN(LSHIFT);}
+<BOTH,SCRIPT,EXPRESSION>">>" { RTOKEN(RSHIFT);}
+<BOTH,SCRIPT,EXPRESSION>"+=" { RTOKEN(PLUSEQ);}
+<BOTH,SCRIPT,EXPRESSION>"-=" { RTOKEN(MINUSEQ);}
+<BOTH,SCRIPT,EXPRESSION>"*=" { RTOKEN(MULTEQ);}
+<BOTH,SCRIPT,EXPRESSION>"/=" { RTOKEN(DIVEQ);}
+<BOTH,SCRIPT,EXPRESSION>"&=" { RTOKEN(ANDEQ);}
+<BOTH,SCRIPT,EXPRESSION>"|=" { RTOKEN(OREQ);}
+<BOTH,SCRIPT,EXPRESSION>"&&" { RTOKEN(ANDAND);}
+<BOTH,SCRIPT,EXPRESSION>">" { RTOKEN('>');}
+<MRI,BOTH,SCRIPT,EXPRESSION>"," { RTOKEN(',');}
+<BOTH,SCRIPT,EXPRESSION>"&" { RTOKEN('&');}
+<BOTH,SCRIPT,EXPRESSION>"|" { RTOKEN('|');}
+<BOTH,SCRIPT,EXPRESSION>"~" { RTOKEN('~');}
+<BOTH,SCRIPT,EXPRESSION>"!" { RTOKEN('!');}
+<BOTH,SCRIPT,EXPRESSION>"?" { RTOKEN('?');}
+<BOTH,SCRIPT,EXPRESSION>"*" { RTOKEN('*');}
+<BOTH,SCRIPT,EXPRESSION>"+" { RTOKEN('+');}
+<BOTH,SCRIPT,EXPRESSION>"-" { RTOKEN('-');}
+<BOTH,SCRIPT,EXPRESSION>"/" { RTOKEN('/');}
+<BOTH,SCRIPT,EXPRESSION>"%" { RTOKEN('%');}
+<BOTH,SCRIPT,EXPRESSION>"<" { RTOKEN('<');}
+<BOTH,SCRIPT,EXPRESSION>">" { RTOKEN('>');}
+<MRI,BOTH,SCRIPT,EXPRESSION>"=" { RTOKEN('=');}
+<BOTH,SCRIPT,EXPRESSION>"}" { RTOKEN('}') ; }
+<BOTH,SCRIPT,EXPRESSION>"{" { RTOKEN('{'); }
+<BOTH,SCRIPT,EXPRESSION>")" { RTOKEN(')');}
+<BOTH,SCRIPT,EXPRESSION>"(" { RTOKEN('(');}
+<BOTH,SCRIPT,EXPRESSION>"]" { RTOKEN(']');}
+<BOTH,SCRIPT,EXPRESSION>"[" { RTOKEN('[');}
+<BOTH,SCRIPT,EXPRESSION>":" { RTOKEN(':'); }
+<BOTH,SCRIPT,EXPRESSION>";" { RTOKEN(';');}
+<BOTH,SCRIPT,EXPRESSION>"-" { RTOKEN('-');}
+<BOTH,SCRIPT,EXPRESSION>"/" { RTOKEN('/');}
+<BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);}
+<BOTH,SCRIPT>"ORIGIN" { RTOKEN(ORIGIN);}
+<BOTH,SCRIPT>"BLOCK" { RTOKEN(BLOCK);}
+<BOTH,SCRIPT>"LENGTH" { RTOKEN(LENGTH);}
+<EXPRESSION,BOTH,SCRIPT>"ALIGN" { RTOKEN(ALIGN_K);}
+<EXPRESSION,BOTH,SCRIPT>"ADDR" { RTOKEN(ADDR);}
+<BOTH,SCRIPT>"ENTRY" { RTOKEN(ENTRY);}
+<EXPRESSION,BOTH,SCRIPT>"NEXT" { RTOKEN(NEXT);}
+<EXPRESSION,BOTH,SCRIPT>"sizeof_headers" { RTOKEN(SIZEOF_HEADERS);}
+<EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);}
+<BOTH,SCRIPT>"MAP" { RTOKEN(MAP);}
+<EXPRESSION,BOTH,SCRIPT>"SIZEOF" { RTOKEN(SIZEOF);}
+<BOTH,SCRIPT>"TARGET" { RTOKEN(TARGET_K);}
+<BOTH,SCRIPT>"SEARCH_DIR" { RTOKEN(SEARCH_DIR);}
+<BOTH,SCRIPT>"OUTPUT" { RTOKEN(OUTPUT);}
+<BOTH,SCRIPT>"INPUT" { RTOKEN(INPUT);}
+<BOTH,SCRIPT>"DEFINED" { RTOKEN(DEFINED);}
+<BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);}
+<BOTH,SCRIPT>"CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);}
+<BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);}
+<BOTH,SCRIPT>"SECTIONS" { RTOKEN(SECTIONS);}
+<BOTH,SCRIPT>"FILL" { RTOKEN(FILL);}
+<BOTH,SCRIPT>"STARTUP" { RTOKEN(STARTUP);}
+<BOTH,SCRIPT>"OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT);}
+<BOTH,SCRIPT>"OUTPUT_ARCH" { RTOKEN( OUTPUT_ARCH);}
+<BOTH,SCRIPT>"HLL" { RTOKEN(HLL);}
+<BOTH,SCRIPT>"SYSLIB" { RTOKEN(SYSLIB);}
+<BOTH,SCRIPT>"FLOAT" { RTOKEN(FLOAT);}
+<BOTH,SCRIPT>"LONG" { RTOKEN( LONG);}
+<BOTH,SCRIPT>"SHORT" { RTOKEN( SHORT);}
+<BOTH,SCRIPT>"BYTE" { RTOKEN( BYTE);}
+<BOTH,SCRIPT>"NOFLOAT" { RTOKEN(NOFLOAT);}
+<BOTH,SCRIPT>"NOLOAD" { RTOKEN(NOLOAD);}
+<BOTH,SCRIPT>"DSECT" { RTOKEN(DSECT);}
+<BOTH,SCRIPT>"COPY" { RTOKEN(COPY);}
+<BOTH,SCRIPT>"INFO" { RTOKEN(INFO);}
+<BOTH,SCRIPT>"OVERLAY" { RTOKEN(OVERLAY);}
+<BOTH,SCRIPT>"o" { RTOKEN(ORIGIN);}
+<BOTH,SCRIPT>"org" { RTOKEN(ORIGIN);}
+<BOTH,SCRIPT>"l" { RTOKEN( LENGTH);}
+<BOTH,SCRIPT>"len" { RTOKEN( LENGTH);}
+<MRI>"\n" { ++ lineno; RTOKEN(NEWLINE); }
+<MRI>"*".* { /* Mri comment line */ }
+<MRI>"END" { RTOKEN(ENDWORD); }
+<MRI>"ALIGNMOD" { RTOKEN(ALIGNMOD);}
+<MRI>"ALIGN" { RTOKEN(ALIGN_K);}
+
+<MRI>"CHIP" { RTOKEN(CHIP); }
+<MRI>"BASE" { RTOKEN(BASE); }
+<MRI>"ALIAS" { RTOKEN(ALIAS); }
+<MRI>"TRUNCATE" { RTOKEN(TRUNCATE); }
+<MRI>"LOAD" { RTOKEN(LOAD); }
+<MRI>"PUBLIC" { RTOKEN(PUBLIC); }
+<MRI>"ORDER" { RTOKEN(ORDER); }
+<MRI>"NAME" { RTOKEN(NAMEWORD); }
+<MRI>"FORMAT" { RTOKEN(FORMAT); }
+<MRI>"LIST".* { RTOKEN(LIST); /* LIST and ignore to end of line */ }
+<MRI>"SECT" { RTOKEN(SECT); }
+<EXPRESSION,BOTH,SCRIPT,MRI>"ABSOLUTE" { RTOKEN(ABSOLUTE); }
+<MRI>"end" { RTOKEN(ENDWORD); }
+<MRI>"chip" { RTOKEN(CHIP); }
+<MRI>"load" { RTOKEN(LOAD); }
+<MRI>"order" { RTOKEN(ORDER); }
+<MRI>"name" { RTOKEN(NAMEWORD); }
+<MRI>"format" { RTOKEN(FORMAT); }
+<MRI>"list".* { RTOKEN(LIST); /* LIST and ignore to end of line */ }
+<MRI>"sect" { RTOKEN(SECT); }
+<EXPRESSION,BOTH,SCRIPT,MRI>"absolute" { RTOKEN(ABSOLUTE); }
+
+<COMMAND>{CMDFILENAMECHAR1}{CMDFILENAMECHAR}* {
+ yylval.name = buystring(yytext);
+ return NAME;
+ }
+
+
+<MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}* {
+/* Filename without commas, needed to parse mri stuff */
+ yylval.name = buystring(yytext);
+ return NAME;
+ }
+
+
+<BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}* {
+ yylval.name = buystring(yytext);
+ return NAME;
+ }
+<SCRIPT,COMMAND>{FILENAMECHAR}* { yylval.name = buystring(yytext);
+ return NAME;
+ }
+
+<EXPRESSION,BOTH,COMMAND,SCRIPT>"\""[^\"]*"\"" {
+ /* No matter the state, quotes
+ give what's inside */
+ yylval.name = buystring(yytext+1);
+ yylval.name[yyleng-2] = 0;
+ return NAME;
+ }
+<BOTH,SCRIPT,EXPRESSION>"\n" { lineno++;}
+<MRI,COMMAND,BOTH,SCRIPT,EXPRESSION>[ \t]
+
+<<EOF>> {
+ include_stack_ptr--;
+
+ if (include_stack_ptr == 0)
+ {
+ yyterminate();
}
+ else
+ {
+ yy_switch_to_buffer(include_stack[include_stack_ptr]);
+ }
+ BEGIN(COMMAND);
+ return END;
}
- else if (command_line && *command_line) {
- thischar = *(command_line++);
- }
- else {
- thischar = 0;
- }
- if(thischar == '\t') thischar = ' ';
- if (thischar == '\n') { thischar = ' '; lineno++; }
- return thischar ;
-}
+
+%%
void
-lex_unput(c)
-int c;
+DEFUN(lex_push_file,(file),
+ FILE *file)
{
- if (have_pushback > NPUSHBACK) {
- info("%F%P Too many pushbacks\n");
+ if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
+ {
+ einfo("%F:includes nested too deeply");
}
+ include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
+ yyin = file;
+ yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
- pushback[have_pushback] = c;
- have_pushback ++;
+ BEGIN(SCRIPT);
}
+YY_BUFFER_STATE
+DEFUN(yy_create_string_buffer,(string, size),
+ CONST char *string AND
+ int size )
+{
+ YY_BUFFER_STATE b;
- int
-yywrap()
- { return 1; }
-/*VARARGS*/
+ b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) );
+ b->yy_input_file = 0;
+
+ if ( ! b )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-void
-allprint(x)
-int x;
-{
-fprintf(yyout,"%d",x);
-}
+ b->yy_buf_size = size;
-void
-sprint(x)
-char *x;
-{
-fprintf(yyout,"%s",x);
-}
+ /* yy_ch_buf has to be 2 characters longer than the size given because
+ * we need to put in 2 end-of-buffer characters.
+ */
+ b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 3) );
-int thischar;
+ if ( ! b->yy_ch_buf )
+ YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-void parse_line(arg)
-char *arg;
-{
- command_line = arg;
- have_pushback = 0;
- yyparse();
+
+ b->yy_ch_buf[0] = '\n';
+ strcpy(b->yy_ch_buf+1, string);
+ b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR;
+ b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR;
+ b->yy_n_chars = size+1;
+ b->yy_buf_pos = &b->yy_ch_buf[1];
+
+ b->yy_eof_status = EOF_NOT_SEEN;
+
+ return ( b );
}
void
-parse_args(ac, av)
-int ac;
-char **av;
+DEFUN(lex_redirect,( string),
+ CONST char *string)
{
- char *p;
- int i;
- size_t size = 0;
- char *dst;
- debug = 1;
- for (i= 1; i < ac; i++) {
- size += strlen(av[i]) + 2;
+ YY_BUFFER_STATE tmp;
+
+ int len = strlen(string);
+yy_init = 0 ;
+ if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
+ {
+ einfo("%F: macros nested too deeply");
}
- dst = p = (char *)ldmalloc(size + 2);
-/* Put a space arount each option */
+ include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
+ tmp = yy_create_string_buffer(string, len);
+
+ yy_switch_to_buffer(tmp);
+ BEGIN(COMMAND);
+yyout = stdout;
+}
- for (i =1; i < ac; i++) {
+int state_stack[20];
+int *state_stack_p = state_stack;
- unsigned int s = strlen(av[i]);
- *dst++ = ' ';
- memcpy(dst, av[i], s);
- dst[s] = ' ';
- dst += s + 1;
- }
- *dst = 0;
- parse_line(p);
+void
+DEFUN_VOID(ldlex_script)
+{
+*(state_stack_p)++ = yy_start;
- free(p);
+BEGIN(SCRIPT);
+}
+void
+DEFUN_VOID(ldlex_mri_script)
+{
+*(state_stack_p)++ = yy_start;
+BEGIN(MRI);
}
-static long
-DEFUN(number,(default_if_zero,base),
- int default_if_zero AND
- int base)
+void
+DEFUN_VOID(ldlex_defsym)
{
- unsigned long l = 0;
- int ch = yytext[0];
- if (ch == 0) {
- base = default_if_zero;
- }
- while (1) {
- switch (ch) {
- case 'x':
- base = 16;
- break;
- case 'k':
- case 'K':
- l =l * 1024;
- break;
- case 'm':
- case 'M':
- l =l * 1024 * 1024;
- break;
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- l = l * base + ch - '0';
- break;
- case 'a': case 'b': case 'c' : case 'd' : case 'e': case 'f':
- l =l *base + ch - 'a' + 10;
- break;
- case 'A': case 'B': case 'C' : case 'D' : case 'E': case 'F':
- l =l *base + ch - 'A' + 10;
- break;
- default:
- unput(ch);
- yylval.integer = l;
- return INT;
- }
-ch = input();
- }
+*(state_stack_p)++ = yy_start;
+BEGIN(DEFSYMEXP);
}
-%}
-
-%a 4000
-%o 5000
-FILENAMECHAR [a-zA-Z0-9\/\.\-\_\+\=]
-FILENAME {FILENAMECHAR}+
-WHITE [ \t]+
-
-%%
-
-"@" { return '}'; }
-"\ -defsym\ " { ldgram_in_defsym = true; return OPTION_defsym; }
-"\ -noinhibit_exec\ " { return OPTION_noinhibit_exec; }
-"\ -sort_common\ " { return OPTION_sort_common;}
-"\ -format\ " { return OPTION_format; }
-"\ -n\ " { return OPTION_n; }
-"\ -N\ " { return OPTION_N; }
-"\ -r\ " { return OPTION_r; }
-"\ -relax\ " { return OPTION_relax; }
-"\ -i\ " { return OPTION_r; }
-"\ -Ur\ " { return OPTION_Ur; }
-"\ -o\ " { return OPTION_o; }
-"\ -g\ " { return OPTION_g; }
-"\ -e\ " { return OPTION_e; }
-"\ -b\ " { return OPTION_b; }
-"\ -dc\ " { return OPTION_dc; }
-"\ -dp\ " { return OPTION_dp; }
-"\ -d\ " { return OPTION_d; }
-"\ -v\ " { return OPTION_v; }
-"\ -V\ " { return OPTION_V; }
-"\ -M\ " { return OPTION_M; }
-"\ -Map\ " { return OPTION_Map;}
-"\ -t\ " { return OPTION_t; }
-"\ -X\ " { return OPTION_X; }
-"\ -x\ " { return OPTION_x; }
-"\ -c\ " { return OPTION_c; }
-"\ -R\ " { return OPTION_R; }
-"\ -u\ " { return OPTION_u; }
-"\ -s\ " { return OPTION_s; }
-"\ -S\ " { return OPTION_S; }
-"\ -Bstatic" { return OPTION_Bstatic; }
-"\ -B{FILENAME}\ " { /* Ignored */ }
-"\ -l"{FILENAME} {
- yylval.name = buystring(yytext+3);
- return OPTION_l;
- }
-
-"\ -L"{FILENAME} {
- yylval.name = buystring(yytext+3);
- return OPTION_L;
- }
-"\ -Ttext\ " {
- yylval.name = ".text";
- return OPTION_Texp;
- }
-"\ -Tdata\ " {
- yylval.name = ".data";
- return OPTION_Texp;
- }
-"\ -Tbss\ " {
- yylval.name = ".bss";
- return OPTION_Texp;
- }
-"\ -O"{FILENAME} {
- yylval.name = buystring(yytext+3);
- return OPTION_Texp;
- }
-
-"\ -T"{FILENAME} {
- yylval.name = buystring(yytext+3);
- return OPTION_Tfile;
- }
-"\ -T\ " {
- return OPTION_T;
- }
-
-"\ -F"{FILENAME} {
- return OPTION_F;
- }
-"\ -F\ " {
- return OPTION_F;
- }
-
-"\ -A"{FILENAME} {
- yylval.name = buystring(yytext+3);
- return OPTION_Aarch;
- }
-
-" " {
- if (ldgram_had_equals == true) {
- ldgram_in_defsym = false;
- ldgram_had_equals = false;
- }
- }
-"<<=" { RTOKEN(LSHIFTEQ);}
-">>=" { RTOKEN(RSHIFTEQ);}
-"||" { RTOKEN(OROR);}
-"==" { RTOKEN(EQ);}
-"!=" { RTOKEN(NE);}
-">=" { RTOKEN(GE);}
-"<=" { RTOKEN(LE);}
-"<<" { RTOKEN(LSHIFT);}
-">>" { RTOKEN(RSHIFT);}
-"+=" { RTOKEN(PLUSEQ);}
-"-=" { RTOKEN(MINUSEQ);}
-"*=" { RTOKEN(MULTEQ);}
-"/=" { RTOKEN(DIVEQ);}
-"&=" { RTOKEN(ANDEQ);}
-"|=" { RTOKEN(OREQ);}
-"&&" { RTOKEN(ANDAND);}
-">" { RTOKEN('>');}
-"," { RTOKEN(',');}
-"&" { RTOKEN('&');}
-"|" { RTOKEN('|');}
-"~" { RTOKEN('~');}
-"!" { RTOKEN('!');}
-"?" { RTOKEN('?');}
-"*" { RTOKEN('*');}
-"%" { RTOKEN('%');}
-"<" { RTOKEN('<');}
-">" { RTOKEN('>');}
-"}" { RTOKEN('}') ; }
-"{" { RTOKEN('{'); }
-")" { RTOKEN(')');}
-"(" { RTOKEN('(');}
-"]" { RTOKEN(']');}
-"[" { RTOKEN('[');}
-":" { RTOKEN(':'); }
-";" { RTOKEN(';');}
-"-" { RTOKEN('-');}
-
-
-
-"/*" {
- while (1) {
- int ch;
- ch = input();
- while (ch != '*') {
- ch = input();
- }
-
-
+
+void
+DEFUN_VOID(ldlex_expression)
+{
+*(state_stack_p)++ = yy_start;
+BEGIN(EXPRESSION);
- if (input() == '/') {
- break;
- }
- unput(yytext[yyleng-1]);
- }
}
-
-"\""[^\"]*"\"" {
-
- yylval.name = buystring(yytext+1);
- yylval.name[yyleng-2] = 0; /* Fry final quote */
- return NAME;
+void
+DEFUN_VOID(ldlex_both)
+{
+*(state_stack_p)++ = yy_start;
+BEGIN(BOTH);
+}
+void
+DEFUN_VOID(ldlex_command)
+{
+*(state_stack_p)++ = yy_start;
+BEGIN(COMMAND);
}
-{FILENAMECHAR} {
-
- boolean loop = false;
- int ch;
- keyword_type *k;
-
- /* If we're in hex mode (only after a -T) then all we can see are numbers
- hex digit we see will be a number. */
-
- if (hex_mode) {
- return number(16, 16);
- }
-
- /* If we're in a defsym then all things starting with a digit are in
- hex */
+void
+DEFUN_VOID(ldlex_popstate)
+{
+yy_start = *(--state_stack_p);
+}
- if (isdigit(yytext[0]) && ldgram_in_defsym) {
- return number(16,16);
+yy_input(buf, result, max_size)
+char *buf;
+int *result;
+int max_size;
+{
+ *result = 0;
+ if (yy_current_buffer->yy_input_file)
+ {
+ if (yyin)
+ if ( (*result = read( fileno(yyin), (char *) buf, max_size )) < 0 )
+ YY_FATAL_ERROR( "read() in flex scanner failed" );
}
+}
+static
+comment()
+{
+ int c;
+ while (1)
+ {
+ c = input();
+ while (c !='*' && c != EOF)
+ {
+ if (c == '\n') lineno++;
+ c = input();
+ }
- /* Otherwise if we're in a script we will parse the numbers
- normally */
-
- if (ldgram_in_script == true && isdigit(yytext[0])) {
- return number(8,10);
- }
- /* Anywhere not in a script or defsym, an opertor is part of a
- filename, except / and, which is an operator when on its own */
- if (ldgram_in_script == true|| ldgram_in_defsym == true) {
-
- switch (yytext[0]) {
- case '*': RTOKEN('*');
-
- case '=': {
- ldgram_had_equals = true;
- RTOKEN('=');
- }
- break;
- case '/': {
- if (ldgram_in_defsym) RTOKEN('/');
- }
- break;
- case '+': RTOKEN('+');
- case '-': RTOKEN('-');
- case '!': RTOKEN('!');
- case '~': RTOKEN('~');
- }
+ if (c == '*')
+ {
+ c = input();
+ while ( c == '*')
+ c = input();
+ if ( c == '/' )
+ break; /* found the end */
}
-
-/* Otherwise this must be a file or a symbol name, and it will continue to be a
- filename until we get to something strange. In scripts operator looking
- things are taken to be operators, except /, which will be left
- */
- ch = input();
- while (true)
- {
- if (ldgram_in_defsym == true) {
- switch (ch) {
- case '*':
- case '=':
- case '+':
- case '/':
- case '-':
- case '!':
- case '~':
- goto quit;
- }
-
- }
- if(ldgram_in_script == true) {
- switch (ch) {
- case '*':
- case '=':
- case '+':
- case '-':
- case '!':
- case '~':
- goto quit;
- }
- }
-
- if (isalpha(ch) || isdigit(ch) || ch == '.' || ch == '_' ||
- ch == '/' || ch == '.' || ch == '+' || ch == '-' || ch =='=') {
- yytext[yyleng++] = ch;
- }
- else
- break;
- ch = input();
- }
- quit:;
- yytext[yyleng] = 0;
- unput(ch);
-
- for(k = keywords; k ->name != (char *)NULL; k++) {
- if (strcmp(k->name, yytext)==0) {
- yylval.token = k->value;
- return k->value;
+ if ( c == EOF )
+ {
+ einfo( "%F%P :EOF in comment");
+ break;
}
}
- yylval.name = buystring(yytext);
- return NAME;
}
-
-
-
-
-
-%%
projects / platform / upstream / binutils.git / blobdiff