* Copyright (C) 1997, 1998 Tim Janik
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
+
+/*
+ * Modified by the GLib Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GLib Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+/*
+ * MT safe
+ */
+
#define __gscanner_c__
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
+#include "glib.h"
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <errno.h>
#include <sys/types.h> /* needed for sys/stat.h */
#include <sys/stat.h>
-#include "glib.h"
-
-
+#ifdef G_OS_WIN32
+#include <io.h> /* For _read() */
+#endif
/* --- defines --- */
#define to_lower(c) ( \
static GScannerConfig g_scanner_config_template =
{
(
- " \t\n"
+ " \t\r\n"
) /* cset_skip_characters */,
(
G_CSET_a_2_z
) /* cset_identifier_first */,
(
G_CSET_a_2_z
- "_0123456789"
+ "_"
G_CSET_A_2_Z
+ G_CSET_DIGITS
G_CSET_LATINS
G_CSET_LATINC
) /* cset_identifier_nth */,
GScannerKey* g_scanner_lookup_internal (GScanner *scanner,
guint scope_id,
const gchar *symbol);
-static gint g_scanner_key_equal (gconstpointer v1,
+static gboolean g_scanner_key_equal (gconstpointer v1,
gconstpointer v2);
static guint g_scanner_key_hash (gconstpointer v);
static void g_scanner_get_token_ll (GScanner *scanner,
GScanner*
g_scanner_new (GScannerConfig *config_templ)
{
- register GScanner *scanner;
+ GScanner *scanner;
if (!config_templ)
config_templ = &g_scanner_config_template;
scanner->config->case_sensitive = config_templ->case_sensitive;
scanner->config->cset_skip_characters = config_templ->cset_skip_characters;
+ if (!scanner->config->cset_skip_characters)
+ scanner->config->cset_skip_characters = "";
scanner->config->cset_identifier_first= config_templ->cset_identifier_first;
scanner->config->cset_identifier_nth = config_templ->cset_identifier_nth;
scanner->config->cpair_comment_single = config_templ->cpair_comment_single;
{
switch (*token_p)
{
- case G_TOKEN_STRING:
- case G_TOKEN_IDENTIFIER:
- case G_TOKEN_IDENTIFIER_NULL:
- case G_TOKEN_COMMENT_SINGLE:
- case G_TOKEN_COMMENT_MULTI:
+ case G_TOKEN_STRING:
+ case G_TOKEN_IDENTIFIER:
+ case G_TOKEN_IDENTIFIER_NULL:
+ case G_TOKEN_COMMENT_SINGLE:
+ case G_TOKEN_COMMENT_MULTI:
g_free (value_p->v_string);
break;
}
}
-static gint
+static gboolean
g_scanner_key_equal (gconstpointer v1,
gconstpointer v2)
{
- register const GScannerKey *key1 = v1;
- register const GScannerKey *key2 = v2;
+ const GScannerKey *key1 = v1;
+ const GScannerKey *key2 = v2;
return (key1->scope_id == key2->scope_id) && (strcmp (key1->symbol, key2->symbol) == 0);
}
static guint
g_scanner_key_hash (gconstpointer v)
{
- register const GScannerKey *key = v;
- register gchar *c;
- register guint h;
+ const GScannerKey *key = v;
+ gchar *c;
+ guint h;
h = key->scope_id;
for (c = key->symbol; *c; c++)
{
- register guint g;
+ guint g;
h = (h << 4) + *c;
g = h & 0xf0000000;
guint scope_id,
const gchar *symbol)
{
- register GScannerKey *key_p;
+ GScannerKey *key_p;
GScannerKey key;
key.scope_id = scope_id;
if (!scanner->config->case_sensitive)
{
- register gchar *d;
- register const gchar *c;
+ gchar *d;
+ const gchar *c;
key.symbol = g_new (gchar, strlen (symbol) + 1);
for (d = key.symbol, c = symbol; *c; c++, d++)
const gchar *symbol,
gpointer value)
{
- register GScannerKey *key;
+ GScannerKey *key;
g_return_if_fail (scanner != NULL);
g_return_if_fail (symbol != NULL);
key->value = value;
if (!scanner->config->case_sensitive)
{
- register gchar *c;
+ gchar *c;
c = key->symbol;
while (*c != 0)
guint scope_id,
const gchar *symbol)
{
- register GScannerKey *key;
+ GScannerKey *key;
g_return_if_fail (scanner != NULL);
g_return_if_fail (symbol != NULL);
g_scanner_lookup_symbol (GScanner *scanner,
const gchar *symbol)
{
- register GScannerKey *key;
- register guint scope_id;
+ GScannerKey *key;
+ guint scope_id;
g_return_val_if_fail (scanner != NULL, NULL);
guint scope_id,
const gchar *symbol)
{
- register GScannerKey *key;
+ GScannerKey *key;
g_return_val_if_fail (scanner != NULL, NULL);
g_scanner_set_scope (GScanner *scanner,
guint scope_id)
{
- register guint old_scope_id;
+ guint old_scope_id;
g_return_val_if_fail (scanner != NULL, 0);
gpointer _value,
gpointer _user_data)
{
- register GScannerKey *key;
- register gpointer *d;
- register GHFunc func;
- register gpointer func_data;
- register guint *scope_id;
+ GScannerKey *key;
+ gpointer *d;
+ GHFunc func;
+ gpointer user_data;
+ guint *scope_id;
d = _user_data;
func = (GHFunc) d[0];
- func_data = d[1];
+ user_data = d[1];
scope_id = d[2];
key = _value;
if (key->scope_id == *scope_id)
- func (key->symbol, key->value, func_data);
+ func (key->symbol, key->value, user_data);
}
void
g_scanner_scope_foreach_symbol (GScanner *scanner,
guint scope_id,
GHFunc func,
- gpointer func_data)
+ gpointer user_data)
{
gpointer d[3];
g_return_if_fail (scanner != NULL);
d[0] = (gpointer) func;
- d[1] = func_data;
+ d[1] = user_data;
d[2] = &scope_id;
g_hash_table_foreach (scanner->symbol_table, g_scanner_foreach_internal, d);
void
g_scanner_freeze_symbol_table (GScanner *scanner)
{
- g_return_if_fail (scanner != NULL);
-
- g_hash_table_freeze (scanner->symbol_table);
+#ifdef G_ENABLE_DEBUG
+ static gboolean first_call = TRUE;
+
+ if (first_call)
+ {
+ g_message ("g_scanner_freeze_symbol_table() and "
+ "g_scanner_thaw_symbol_table() are deprecated.");
+ first_call = FALSE;
+ }
+#endif /* G_ENABLE_DEBUG */
}
void
g_scanner_thaw_symbol_table (GScanner *scanner)
{
- g_return_if_fail (scanner != NULL);
-
- g_hash_table_thaw (scanner->symbol_table);
+ g_scanner_freeze_symbol_table (scanner);
}
GTokenType
GTokenValue v;
v.v_int = 0;
- g_return_val_if_fail (scanner != NULL, v);
- return scanner->value;
+ g_return_val_if_fail (scanner != NULL, v);
+
+ /* MSC isn't capable of handling return scanner->value; ? */
+
+ v = scanner->value;
+
+ return v;
}
guint
g_return_if_fail (scanner != NULL);
g_return_if_fail (input_fd >= 0);
+ if (scanner->input_fd >= 0)
+ g_scanner_sync_file_offset (scanner);
+
scanner->token = G_TOKEN_NONE;
scanner->value.v_int = 0;
scanner->line = 1;
else
text = NULL;
+ if (scanner->input_fd >= 0)
+ g_scanner_sync_file_offset (scanner);
+
scanner->token = G_TOKEN_NONE;
scanner->value.v_int = 0;
scanner->line = 1;
}
else if (scanner->input_fd >= 0)
{
- register gint count;
- register gchar *buffer;
+ gint count;
+ gchar *buffer;
buffer = scanner->buffer;
do
}
while (count == -1 && (errno == EINTR || errno == EAGAIN));
- if (!count)
+ if (count < 1)
{
scanner->input_fd = -1;
return 0;
}
+void
+g_scanner_sync_file_offset (GScanner *scanner)
+{
+ g_return_if_fail (scanner != NULL);
+
+ /* for file input, rewind the filedescriptor to the current
+ * buffer position and blow the file read ahead buffer. usefull for
+ * third party uses of our filedescriptor, which hooks onto the current
+ * scanning position.
+ */
+
+ if (scanner->input_fd >= 0 && scanner->text_end > scanner->text)
+ {
+ gint buffered;
+
+ buffered = scanner->text_end - scanner->text;
+ if (lseek (scanner->input_fd, - buffered, SEEK_CUR) >= 0)
+ {
+ /* we succeeded, blow our buffer's contents now */
+ scanner->text = NULL;
+ scanner->text_end = NULL;
+ }
+ else
+ errno = 0;
+ }
+}
+
static guchar
g_scanner_get_char (GScanner *scanner,
guint *line_p,
guint *position_p)
{
- register guchar fchar;
+ guchar fchar;
if (scanner->text < scanner->text_end)
fchar = *(scanner->text++);
else if (scanner->input_fd >= 0)
{
- register gint count;
- register gchar *buffer;
+ gint count;
+ gchar *buffer;
buffer = scanner->buffer;
do
}
while (count == -1 && (errno == EINTR || errno == EAGAIN));
- if (!count)
+ if (count < 1)
{
scanner->input_fd = -1;
fchar = 0;
scanner->text = buffer + 1;
scanner->text_end = buffer + count;
fchar = *buffer;
+ if (!fchar)
+ {
+ g_scanner_sync_file_offset (scanner);
+ scanner->text_end = scanner->text;
+ scanner->input_fd = -1;
+ }
}
}
else
const gchar *message,
gint is_error)
{
- register gchar *token_string;
- register guint token_string_len;
- register gchar *expected_string;
- register guint expected_string_len;
- register gchar *message_prefix;
- register gboolean print_unexp;
+ gchar *token_string;
+ guint token_string_len;
+ gchar *expected_string;
+ guint expected_string_len;
+ gchar *message_prefix;
+ gboolean print_unexp;
void (*msg_handler) (GScanner*, const gchar*, ...);
g_return_if_fail (scanner != NULL);
switch (scanner->token)
{
- case G_TOKEN_EOF:
+ case G_TOKEN_EOF:
g_snprintf (token_string, token_string_len, "end of file");
break;
break;
}
/* fall through */
- case G_TOKEN_SYMBOL:
+ case G_TOKEN_SYMBOL:
if (expected_token == G_TOKEN_SYMBOL ||
(scanner->config->symbol_2_token &&
expected_token > G_TOKEN_LAST))
symbol_spec);
break;
- case G_TOKEN_ERROR:
+ case G_TOKEN_ERROR:
print_unexp = FALSE;
expected_token = G_TOKEN_NONE;
switch (scanner->value.v_error)
{
- case G_ERR_UNEXP_EOF:
+ case G_ERR_UNEXP_EOF:
g_snprintf (token_string, token_string_len, "scanner: unexpected end of file");
break;
- case G_ERR_UNEXP_EOF_IN_STRING:
+ case G_ERR_UNEXP_EOF_IN_STRING:
g_snprintf (token_string, token_string_len, "scanner: unterminated string constant");
break;
- case G_ERR_UNEXP_EOF_IN_COMMENT:
+ case G_ERR_UNEXP_EOF_IN_COMMENT:
g_snprintf (token_string, token_string_len, "scanner: unterminated comment");
break;
- case G_ERR_NON_DIGIT_IN_CONST:
+ case G_ERR_NON_DIGIT_IN_CONST:
g_snprintf (token_string, token_string_len, "scanner: non digit in constant");
break;
- case G_ERR_FLOAT_RADIX:
+ case G_ERR_FLOAT_RADIX:
g_snprintf (token_string, token_string_len, "scanner: invalid radix for floating constant");
break;
- case G_ERR_FLOAT_MALFORMED:
+ case G_ERR_FLOAT_MALFORMED:
g_snprintf (token_string, token_string_len, "scanner: malformed floating constant");
break;
- case G_ERR_DIGIT_RADIX:
+ case G_ERR_DIGIT_RADIX:
g_snprintf (token_string, token_string_len, "scanner: digit is beyond radix");
break;
- case G_ERR_UNKNOWN:
+ case G_ERR_UNKNOWN:
default:
g_snprintf (token_string, token_string_len, "scanner: unknown error");
break;
}
break;
- case G_TOKEN_CHAR:
+ case G_TOKEN_CHAR:
g_snprintf (token_string, token_string_len, "character `%c'", scanner->value.v_char);
break;
- case G_TOKEN_IDENTIFIER:
- if (expected_token == G_TOKEN_IDENTIFIER)
+ case G_TOKEN_IDENTIFIER:
+ case G_TOKEN_IDENTIFIER_NULL:
+ if (expected_token == G_TOKEN_IDENTIFIER ||
+ expected_token == G_TOKEN_IDENTIFIER_NULL)
print_unexp = FALSE;
g_snprintf (token_string,
token_string_len,
"%s%s `%s'",
print_unexp ? "" : "invalid ",
identifier_spec,
- scanner->value.v_string);
+ scanner->token == G_TOKEN_IDENTIFIER ? scanner->value.v_string : "null");
break;
- case G_TOKEN_BINARY:
- case G_TOKEN_OCTAL:
- case G_TOKEN_INT:
- case G_TOKEN_HEX:
+ case G_TOKEN_BINARY:
+ case G_TOKEN_OCTAL:
+ case G_TOKEN_INT:
+ case G_TOKEN_HEX:
g_snprintf (token_string, token_string_len, "number `%ld'", scanner->value.v_int);
break;
- case G_TOKEN_FLOAT:
+ case G_TOKEN_FLOAT:
g_snprintf (token_string, token_string_len, "number `%.3f'", scanner->value.v_float);
break;
- case G_TOKEN_STRING:
+ case G_TOKEN_STRING:
if (expected_token == G_TOKEN_STRING)
print_unexp = FALSE;
g_snprintf (token_string,
token_string[token_string_len - 1] = 0;
break;
- case G_TOKEN_COMMENT_SINGLE:
- case G_TOKEN_COMMENT_MULTI:
+ case G_TOKEN_COMMENT_SINGLE:
+ case G_TOKEN_COMMENT_MULTI:
g_snprintf (token_string, token_string_len, "comment");
break;
- case G_TOKEN_NONE:
+ case G_TOKEN_NONE:
/* somehow the user's parsing code is screwed, there isn't much
* we can do about it.
* Note, a common case to trigger this is
break;
}
/* fall through */
- case G_TOKEN_SYMBOL:
+ case G_TOKEN_SYMBOL:
need_valid = (scanner->token == G_TOKEN_SYMBOL ||
(scanner->config->symbol_2_token &&
scanner->token > G_TOKEN_LAST));
/* FIXME: should we attempt to lookup the symbol_name for symbol_2_token? */
break;
- case G_TOKEN_INT:
+ case G_TOKEN_INT:
g_snprintf (expected_string, expected_string_len, "number (integer)");
break;
- case G_TOKEN_FLOAT:
+ case G_TOKEN_FLOAT:
g_snprintf (expected_string, expected_string_len, "number (float)");
break;
- case G_TOKEN_STRING:
+ case G_TOKEN_STRING:
g_snprintf (expected_string,
expected_string_len,
"%sstring constant",
scanner->token == G_TOKEN_STRING ? "valid " : "");
break;
- case G_TOKEN_IDENTIFIER:
+ case G_TOKEN_IDENTIFIER:
+ case G_TOKEN_IDENTIFIER_NULL:
g_snprintf (expected_string,
expected_string_len,
"%s%s",
- scanner->token == G_TOKEN_IDENTIFIER ? "valid " : "",
+ (scanner->token == G_TOKEN_IDENTIFIER_NULL ||
+ scanner->token == G_TOKEN_IDENTIFIER ? "valid " : ""),
identifier_spec);
break;
- case G_TOKEN_NONE:
+ case G_TOKEN_EOF:
+ g_snprintf (expected_string, expected_string_len, "end of file");
+ break;
+
+ case G_TOKEN_NONE:
break;
}
gint st_mode;
stat_buf = g_new0 (struct stat, 1);
-
+#ifdef HAVE_LSTAT
lstat (filename, stat_buf);
-
+#else
+ stat (filename, stat_buf);
+#endif
st_mode = stat_buf->st_mode;
g_free (stat_buf);
guint *line_p,
guint *position_p)
{
- register GScannerConfig *config;
- register GTokenType token;
- register gboolean in_comment_multi;
- register gboolean in_comment_single;
- register gboolean in_string_sq;
- register gboolean in_string_dq;
- register GString *gstring;
- GTokenValue value;
- guchar ch;
+ GScannerConfig *config;
+ GTokenType token;
+ gboolean in_comment_multi;
+ gboolean in_comment_single;
+ gboolean in_string_sq;
+ gboolean in_string_dq;
+ GString *gstring;
+ GTokenValue value;
+ guchar ch;
config = scanner->config;
(*value_p).v_int = 0;
do /* while (ch != 0) */
{
- register gboolean dotted_float = FALSE;
+ gboolean dotted_float = FALSE;
ch = g_scanner_get_char (scanner, line_p, position_p);
switch (ch)
{
- case 0:
+ case 0:
token = G_TOKEN_EOF;
(*position_p)++;
/* ch = 0; */
break;
- case '/':
+ case '/':
if (!config->scan_comment_multi ||
g_scanner_peek_next_char (scanner) != '*')
goto default_case;
ch = 0;
break;
- case '\'':
+ case '\'':
if (!config->scan_string_sq)
goto default_case;
token = G_TOKEN_STRING;
ch = 0;
break;
- case '"':
+ case '"':
if (!config->scan_string_dq)
goto default_case;
token = G_TOKEN_STRING;
ch = g_scanner_get_char (scanner, line_p, position_p);
switch (ch)
{
- register guint i;
- register guint fchar;
+ guint i;
+ guint fchar;
- case 0:
+ case 0:
break;
- case '\\':
+ case '\\':
gstring = g_string_append_c (gstring, '\\');
break;
- case 'n':
+ case 'n':
gstring = g_string_append_c (gstring, '\n');
break;
- case 't':
+ case 't':
gstring = g_string_append_c (gstring, '\t');
break;
- case 'r':
+ case 'r':
gstring = g_string_append_c (gstring, '\r');
break;
- case 'b':
+ case 'b':
gstring = g_string_append_c (gstring, '\b');
break;
- case 'f':
+ case 'f':
gstring = g_string_append_c (gstring, '\f');
break;
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
i = ch - '0';
fchar = g_scanner_peek_next_char (scanner);
if (fchar >= '0' && fchar <= '7')
ch = 0;
break;
- case '.':
+ case '.':
if (!config->scan_float)
goto default_case;
token = G_TOKEN_FLOAT;
ch = g_scanner_get_char (scanner, line_p, position_p);
goto number_parsing;
- case '$':
+ case '$':
if (!config->scan_hex_dollar)
goto default_case;
token = G_TOKEN_HEX;
ch = g_scanner_get_char (scanner, line_p, position_p);
goto number_parsing;
- case '0':
+ case '0':
if (config->scan_octal)
token = G_TOKEN_OCTAL;
else
else
ch = '0';
/* fall through */
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
number_parsing:
{
- register gboolean in_number = TRUE;
+ gboolean in_number = TRUE;
gchar *endptr;
if (token == G_TOKEN_NONE)
do /* while (in_number) */
{
- register gboolean is_E;
+ gboolean is_E;
is_E = token == G_TOKEN_FLOAT && (ch == 'e' || ch == 'E');
token = G_TOKEN_COMMENT_SINGLE;
in_comment_single = TRUE;
gstring = g_string_new ("");
- while ((ch = g_scanner_get_char (scanner,
- line_p,
- position_p)) != 0)
+ ch = g_scanner_get_char (scanner, line_p, position_p);
+ while (ch != 0)
{
if (ch == config->cpair_comment_single[1])
{
}
gstring = g_string_append_c (gstring, ch);
- ch = 0;
+ ch = g_scanner_get_char (scanner, line_p, position_p);
}
}
else if (config->scan_identifier && ch &&
{
if (config->scan_symbols)
{
- register GScannerKey *key;
- register guint scope_id;
+ GScannerKey *key;
+ guint scope_id;
scope_id = scanner->scope_id;
key = g_scanner_lookup_internal (scanner, scope_id, value.v_identifier);
projects / platform / upstream / glib.git / blobdiff