/* chew
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001,
- 2002, 2003, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2021 Free Software Foundation, Inc.
Contributed by steve chamberlain @cygnus
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-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 of the License, or
-(at your option) any later version.
+ 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 3 of the License, 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.
+ 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. */
+ 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. */
/* Yet another way of extracting documentation from source.
No, I haven't finished it yet, but I hope you people like it better
#include <assert.h>
#include <stdio.h>
#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
#define DEF_SIZE 5000
#define STACK 50
static void catbuf (string_type *, char *, unsigned int);
static void cattext (string_type *, char *);
static void catstr (string_type *, string_type *);
+static void die (char *);
#endif
static void
{
buffer->write_idx = 0;
buffer->size = size;
- buffer->ptr = malloc (size);
+ buffer->ptr = (char *) malloc (size);
}
static void
string_type *buffer;
FILE *f;
{
- fwrite (buffer->ptr, buffer->write_idx, 1, f);
+ if (buffer->write_idx != 0
+ && fwrite (buffer->ptr, buffer->write_idx, 1, f) != 1)
+ die ("cannot write output");
}
static void
string_type *buffer;
{
free (buffer->ptr);
+ buffer->ptr = NULL;
}
static char *
if (buffer->write_idx == buffer->size)
{
buffer->size *= 2;
- buffer->ptr = realloc (buffer->ptr, buffer->size);
+ buffer->ptr = (char *) realloc (buffer->ptr, buffer->size);
}
buffer->ptr[buffer->write_idx++] = ch;
{
while (buffer->write_idx + len >= buffer->size)
buffer->size *= 2;
- buffer->ptr = realloc (buffer->ptr, buffer->size);
+ buffer->ptr = (char *) realloc (buffer->ptr, buffer->size);
}
memcpy (buffer->ptr + buffer->write_idx, buf, len);
buffer->write_idx += len;
return idx;
}
+static unsigned int
+skip_past_newline_1 (ptr, idx)
+ string_type *ptr;
+ unsigned int idx;
+{
+ while (at (ptr, idx)
+ && at (ptr, idx) != '\n')
+ idx++;
+ if (at (ptr, idx) == '\n')
+ return idx + 1;
+ return idx;
+}
+
/***********************************************************************/
string_type stack[STACK];
static void
print_stack_level ()
{
- fprintf (stderr, "current string stack depth = %d, ", tos - stack);
- fprintf (stderr, "current integer stack depth = %d\n", isp - istack);
+ fprintf (stderr, "current string stack depth = %ld, ",
+ (long) (tos - stack));
+ fprintf (stderr, "current integer stack depth = %ld\n",
+ (long) (isp - istack));
pc++;
}
while (at (tos, idx))
{
- if (at (tos, idx) == '\n' && at (tos, idx + 1) == '.')
+ /* Every iteration begins at the start of a line. */
+ if (at (tos, idx) == '.')
{
char c;
- idx += 2;
+
+ idx++;
while ((c = at (tos, idx)) && c != '\n')
{
idx++;
}
}
+ if (c == '\n')
+ idx++;
catchar (&out, '\n');
}
else
{
- idx++;
+ idx = skip_past_newline_1 (tos, idx);
}
}
{
tos--;
check_range ();
+ delete_string (tos + 1);
pc++;
}
static void
skip_past_newline ()
{
- while (at (ptr, idx)
- && at (ptr, idx) != '\n')
- idx++;
- idx++;
+ idx = skip_past_newline_1 (ptr, idx);
pc++;
}
}
}
if (!*string)
- return 0;
+ {
+ *word = NULL;
+ return NULL;
+ }
word_start = string;
if (*string == '"')
}
}
- *word = malloc (length + 1);
+ *word = (char *) malloc (length + 1);
dst = *word;
src = word_start;
if (*string)
return string + 1;
else
- return 0;
+ return NULL;
}
dict_type *root;
}
if (warning)
fprintf (stderr, "Can't find %s\n", word);
- return 0;
+ return NULL;
+}
+
+static void
+free_words (void)
+{
+ dict_type *ptr = root;
+
+ while (ptr)
+ {
+ dict_type *next;
+
+ free (ptr->word);
+ if (ptr->code)
+ {
+ int i;
+ for (i = 0; i < ptr->code_end - 1; i ++)
+ if (ptr->code[i] == push_text
+ && ptr->code[i + 1])
+ {
+ free ((char *) ptr->code[i + 1] - 1);
+ ++ i;
+ }
+ free (ptr->code);
+ }
+ next = ptr->next;
+ free (ptr);
+ ptr = next;
+ }
}
static void
-perform ()
+perform (void)
{
tos = stack;
fprintf (stderr, "warning, %s is not recognised\n", next);
skip_past_newline ();
}
-
+ free (next);
}
else
skip_past_newline ();
newentry (word)
char *word;
{
- dict_type *new = (dict_type *) malloc (sizeof (dict_type));
- new->word = word;
- new->next = root;
- root = new;
- new->code = (stinst_type *) malloc (sizeof (stinst_type));
- new->code_length = 1;
- new->code_end = 0;
- return new;
+ dict_type *new_d = (dict_type *) malloc (sizeof (dict_type));
+ new_d->word = word;
+ new_d->next = root;
+ root = new_d;
+ new_d->code = (stinst_type *) malloc (sizeof (stinst_type));
+ new_d->code_length = 1;
+ new_d->code_end = 0;
+ return new_d;
}
unsigned int
entry->code_length += 2;
entry->code =
(stinst_type *) realloc ((char *) (entry->code),
- entry->code_length * sizeof (word_type));
+ entry->code_length * sizeof (stinst_type));
}
entry->code[entry->code_end] = word;
char *name;
void (*func) ();
{
- dict_type *new = newentry (name);
- add_to_definition (new, func);
- add_to_definition (new, 0);
+ dict_type *new_d = newentry (strdup (name));
+ add_to_definition (new_d, func);
+ add_to_definition (new_d, 0);
}
void
add_var (name)
char *name;
{
- dict_type *new = newentry (name);
- add_to_definition (new, push_number);
- add_to_definition (new, (stinst_type) (&(new->var)));
- add_to_definition (new, 0);
+ dict_type *new_d = newentry (name);
+ add_to_definition (new_d, push_number);
+ add_to_definition (new_d, (stinst_type) (&(new_d->var)));
+ add_to_definition (new_d, 0);
}
void
{
/* Add words to the dictionary. */
char *word;
+
string = nextword (string, &word);
while (string && *string && word[0])
{
if (strcmp (word, "var") == 0)
{
+ free (word);
string = nextword (string, &word);
-
+ if (!string)
+ continue;
add_var (word);
string = nextword (string, &word);
}
else if (word[0] == ':')
{
dict_type *ptr;
+
/* Compile a word and add to dictionary. */
+ free (word);
string = nextword (string, &word);
-
+ if (!string)
+ continue;
ptr = newentry (word);
string = nextword (string, &word);
+ if (!string)
+ {
+ free (ptr->code);
+ free (ptr);
+ continue;
+ }
+
while (word[0] != ';')
{
switch (word[0])
function */
add_to_definition (ptr, push_number);
add_to_definition (ptr, (stinst_type) atol (word));
+ free (word);
break;
default:
add_to_definition (ptr, call);
add_to_definition (ptr, (stinst_type) lookup_word (word));
+ free (word);
}
string = nextword (string, &word);
}
add_to_definition (ptr, 0);
+ free (word);
string = nextword (string, &word);
}
else
fprintf (stderr, "syntax error at %s\n", string - 1);
}
}
+ free (word);
}
static void
read_in (&b, f);
compile (b.ptr);
perform ();
+ delete_string (&b);
}
else if (av[i][1] == 'i')
{
}
}
write_buffer (stack + 0, stdout);
+ free_words ();
+ delete_string (&pptr);
+ delete_string (&buffer);
if (tos != stack)
{
- fprintf (stderr, "finishing with current stack level %d\n",
- tos - stack);
+ fprintf (stderr, "finishing with current stack level %ld\n",
+ (long) (tos - stack));
return 1;
}
return 0;
projects / thirdparty / binutils-gdb.git / blobdiff