ca7856bf80
* NEW: Clean up allocation macros. {GB.EVAL.HIGHLIGHT] * NEW: Add 'transition' to the CSS keywords. git-svn-id: svn://localhost/gambas/trunk@5599 867c0c6c-44f3-4631-809d-bfa615b0a4ec
573 lines
11 KiB
C
573 lines
11 KiB
C
/***************************************************************************
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gb_table_temp.h
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(c) 2000-2012 Benoît Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#define __TABLE_C
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "gb_common.h"
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#include "gb_error.h"
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#include "gb_alloc.h"
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#include "gb_limit.h"
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#include "gb_table.h"
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#define SYM(table, ind) (TABLE_get_symbol(table, ind))
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#define SSYM(_symbol, _pos, _size) ((SYMBOL *)((char *)(_symbol) + (_pos) * (_size)))
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static char _buffer[MAX_SYMBOL_LEN + 1];
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char TABLE_compare(const char *s1, int len1, const char *s2, int len2)
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{
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int i;
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int len = (len1 < len2) ? len1 : len2;
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register char c1;
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register char c2;
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for (i = 0; i < len; i++)
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{
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c1 = s1[i];
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c2 = s2[i];
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if (LIKELY(c1 > c2)) return 1;
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if (LIKELY(c1 < c2)) return -1;
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}
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if (LIKELY(len1 < len2))
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return -1;
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else if (LIKELY(len1 > len2))
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return 1;
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else
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return 0;
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}
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char TABLE_compare_ignore_case(const char *s1, int len1, const char *s2, int len2)
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{
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unsigned int len = (len1 < len2) ? len1 : len2;
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unsigned int i;
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int result;
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for (i = 0; len > 0; i++)
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{
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result = toupper(s1[i]) - toupper(s2[i]);
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if (LIKELY(result))
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return result; // < 0 ? -1 : 1;
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len--;
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}
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if (LIKELY(len1 < len2))
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return -1;
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else if (LIKELY(len1 > len2))
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return 1;
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else
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return 0;
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}
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char TABLE_compare_ignore_case_len(const char *s1, int len1, const char *s2, int len2)
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{
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int result;
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if (LIKELY(len1 < len2))
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return -1;
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else if (LIKELY(len1 > len2))
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return 1;
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while (len1)
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{
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result = tolower(*s1++) - tolower(*s2++);
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if (LIKELY(result))
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return result; // < 0 ? -1 : 1;
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--len1;
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}
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return 0;
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}
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static bool search(void *symbol, ushort *sort, int n_symbol, size_t size, int flag, const char *name, int len, int *index)
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{
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int pos, deb, fin;
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SYMBOL *sym;
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int l;
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int result; // must be an integer (or a short) because uchar - uchar may not fit in a char!
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const uchar *s1;
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const uchar *s2;
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pos = 0;
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deb = 0;
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fin = n_symbol; //ARRAY_count(table->symbol);
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if (flag) // == TF_IGNORE_CASE
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{
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for(;;)
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{
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if (UNLIKELY(deb >= fin))
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{
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*index = deb;
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return FALSE;
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}
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pos = (deb + fin) >> 1;
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//sym = SYM(table, SYM(table, pos)->sort); /*&table->symbol[table->symbol[pos].sort];*/
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sym = SSYM(symbol, sort[pos], size);
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if (LIKELY(len < sym->len))
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goto __T_LOWER;
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else if (LIKELY(len > sym->len))
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goto __T_GREATER;
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//if (LIKELY(len > 0))
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{
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s1 = (uchar *)name;
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s2 = (uchar *)sym->name;
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l = len;
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for(;;)
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{
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/*result = (*s1 - *s2) & ~0x20;
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if (LIKELY(result < 0))
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goto __T_LOWER;
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else if (LIKELY(result > 0))
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goto __T_GREATER;*/
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result = tolower(*s1) - tolower(*s2);
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if (LIKELY(result < 0))
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goto __T_LOWER;
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else if (LIKELY(result > 0))
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goto __T_GREATER;
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if (UNLIKELY(--l == 0))
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break;
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s1++;
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s2++;
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}
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}
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*index = pos;
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return TRUE;
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__T_LOWER: fin = pos; continue;
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__T_GREATER: deb = pos + 1; continue;
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}
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}
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else
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{
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for(;;)
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{
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if (UNLIKELY(deb >= fin))
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{
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*index = deb;
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return FALSE;
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}
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pos = (deb + fin) >> 1;
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sym = SSYM(symbol, sort[pos], size);
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if (LIKELY(len < sym->len))
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goto __B_LOWER;
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else if (LIKELY(len > sym->len))
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goto __B_GREATER;
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//if (LIKELY(len > 0))
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{
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s1 = (uchar *)name;
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s2 = (uchar *)sym->name;
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l = len;
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for(;;)
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{
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result = *s1 - *s2;
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if (LIKELY(result < 0))
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goto __B_LOWER;
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else if (LIKELY(result > 0))
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goto __B_GREATER;
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if (UNLIKELY(--l == 0))
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break;
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s1++;
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s2++;
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}
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}
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*index = pos;
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return TRUE;
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__B_LOWER: fin = pos; continue;
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__B_GREATER: deb = pos + 1; continue;
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}
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}
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}
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int SYMBOL_find(void *symbol, ushort *sort, int n_symbol, size_t s_symbol, int flag, const char *name, int len, const char *prefix)
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{
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int index;
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int len_prefix;
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if (UNLIKELY(prefix != NULL))
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{
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len_prefix = strlen(prefix);
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if (UNLIKELY((len + len_prefix) > MAX_SYMBOL_LEN))
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ERROR_panic("SYMBOL_find: prefixed symbol too long");
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strcpy(_buffer, prefix);
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strcpy(&_buffer[len_prefix], name);
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len += len_prefix;
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name = _buffer;
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}
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if (LIKELY(search(symbol, sort, n_symbol, s_symbol, flag, name, len, &index)))
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return sort[index];
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else
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return NO_SYMBOL;
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}
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#if 0
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bool SYMBOL_find_old(void *symbol, int n_symbol, size_t s_symbol, int flag,
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const char *name, int len, const char *prefix, int *result)
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{
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int pos, deb, fin;
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int cmp;
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int (*cmp_func)(const char *, int, const char *, int);
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SYMBOL *sym;
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int index;
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int len_prefix;
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cmp_func = ((flag == TF_IGNORE_CASE) ? TABLE_compare_ignore_case : TABLE_compare);
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pos = 0;
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deb = 0;
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fin = n_symbol;
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if (UNLIKELY(prefix != NULL))
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{
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len_prefix = strlen(prefix);
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if (UNLIKELY((len + len_prefix) > MAX_SYMBOL_LEN))
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ERROR_panic("SYMBOL_find: prefixed symbol too long");
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strcpy(_buffer, prefix);
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strcpy(&_buffer[len_prefix], name);
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len += len_prefix;
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name = _buffer;
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}
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for(;;)
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{
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if (UNLIKELY(deb >= fin))
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{
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*result = NO_SYMBOL;
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return FALSE;
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}
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pos = (deb + fin) >> 1;
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index = ((SYMBOL *)((char *)symbol + s_symbol * pos))->sort;
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sym = (SYMBOL *)((char *)symbol + s_symbol * index);
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cmp = (*cmp_func)(name, len, sym->name, sym->len);
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if (UNLIKELY(cmp == 0))
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{
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*result = index;
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return TRUE;
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}
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if (cmp < 0)
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fin = pos;
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else
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deb = pos + 1;
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}
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}
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#endif
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const char *SYMBOL_get_name(SYMBOL *sym)
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{
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int len;
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len = Min(MAX_SYMBOL_LEN, sym->len);
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memcpy(_buffer, sym->name, len);
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_buffer[len] = 0;
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return _buffer;
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}
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const char *TABLE_get_symbol_name(TABLE *table, int index)
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{
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if (UNLIKELY((index < 0) || (index >= ARRAY_count(table->symbol))))
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strcpy(_buffer, "?");
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else
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SYMBOL_get_name(SYM(table, index));
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return _buffer;
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}
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const char *TABLE_get_symbol_name_suffix(TABLE *table, int index, const char* suffix)
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{
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SYMBOL *sym;
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if (UNLIKELY((index < 0) || (index >= ARRAY_count(table->symbol))))
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return "?";
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sym = SYM(table, index);
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if ((sym->len + strlen(suffix)) > MAX_SYMBOL_LEN)
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return "?";
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SYMBOL_get_name(sym);
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strcat(_buffer, suffix);
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return _buffer;
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}
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void TABLE_create_static(TABLE *table, size_t size, TABLE_FLAG flag)
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{
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ARRAY_create_with_size(&table->symbol, Max(size, sizeof(SYMBOL)), 64);
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ARRAY_create_with_size(&table->sort, sizeof(ushort), 64);
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table->flag = flag;
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}
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void TABLE_create(TABLE **result, size_t size, TABLE_FLAG flag)
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{
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TABLE *table;
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ALLOC(&table, sizeof(TABLE));
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TABLE_create_static(table, size, flag);
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*result = table;
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}
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void TABLE_create_from(TABLE **result, size_t size, const char *sym_list[], TABLE_FLAG flag)
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{
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TABLE *table;
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int index;
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TABLE_create(&table, size, flag);
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while (*sym_list)
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{
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TABLE_add_symbol(table, *sym_list, strlen(*sym_list), &index);
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sym_list++;
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}
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*result = table;
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}
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void TABLE_delete_static(TABLE *table)
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{
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ARRAY_delete(&table->symbol);
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ARRAY_delete(&table->sort);
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}
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void TABLE_delete(TABLE **p_table)
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{
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if (*p_table)
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{
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TABLE_delete_static(*p_table);
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FREE(p_table);
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}
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}
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bool TABLE_find_symbol(TABLE *table, const char *name, int len, int *index)
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{
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int ind;
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bool result;
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SYMBOL *tsym;
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int count;
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size_t size;
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tsym = table->symbol;
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count = ARRAY_count(tsym);
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size = ARRAY_size(tsym);
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result = search(tsym, table->sort, count, size, table->flag, name, len, &ind);
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if (result)
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*index = table->sort[ind];
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return result;
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}
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void TABLE_add_new_symbol_without_sort(TABLE *table, const char *name, int len, int sort, SYMBOL **symbol, int *index)
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{
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SYMBOL *sym;
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int count;
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len = Min(len, MAX_SYMBOL_LEN);
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count = ARRAY_count(table->symbol);
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sym = (SYMBOL *)ARRAY_add_void_size(&table->symbol);
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sym->name = (char *)name;
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sym->len = len;
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*((ushort *)ARRAY_add(&table->sort)) = sort;
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if (symbol) *symbol = sym; /*&table->symbol[ind];*/
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if (index) *index = count;
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}
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bool TABLE_add_symbol(TABLE *table, const char *name, int len, int *index)
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{
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int ind;
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bool result;
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SYMBOL *sym;
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int count;
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size_t size;
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/*len = Min(len, MAX_SYMBOL_LEN);*/
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//len = Min(len, 65535);
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count = ARRAY_count(table->symbol);
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size = ARRAY_size(table->symbol);
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result = search(table->symbol, table->sort, count, size, table->flag, name, len, &ind);
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if (!result)
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{
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sym = (SYMBOL *)ARRAY_add_void_size(&table->symbol);
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sym->name = (char *)name;
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sym->len = len;
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/*
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printf("TABLE_add_symbol: %.*s %d %d\n", len, name, ((CLASS_SYMBOL *)sym)->global.type,
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((CLASS_SYMBOL *)sym)->local.type);
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*/
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//s1 = (SYMBOL *)((char *)table->symbol + count * size);
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ARRAY_add(&table->sort);
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if (count > ind)
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memmove(&table->sort[ind + 1], &table->sort[ind], sizeof(ushort) * (count - ind));
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/*s1 = SSYM(table->symbol, count, size);
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s2 = (SYMBOL *)((char *)s1 - size);
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i = count - ind;
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while (i)
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{
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s1->sort = s2->sort;
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i--;
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s1 = (SYMBOL *)((char *)s1 - size);
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s2 = (SYMBOL *)((char *)s2 - size);
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}*/
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//SYM(table, ind)->sort = (ushort)count;
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table->sort[ind] = (ushort)count;
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ind = count;
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}
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else
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ind = table->sort[ind]; //SYM(table, ind)->sort; /*table->symbol[ind].sort;*/
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*index = ind;
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return result;
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}
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void TABLE_print(TABLE *table, bool sort)
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{
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int i;
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SYMBOL *sym;
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fprintf(stderr, "capacity %i\n", ARRAY_count(table->symbol));
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/*
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for (i = 0; i < ARRAY_count(table->symbol); i++)
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{
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sym = SYM(table, i);
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printf("%*s (%li) ", (int)sym->len, sym->name, sym->sort);
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}
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printf("\n");
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*/
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for (i = 0; i < ARRAY_count(table->symbol); i++)
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{
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if (sort)
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{
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sym = SYM(table, table->sort[i]);
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fprintf(stderr, "%.*s ", (int)sym->len, sym->name);
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}
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else
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{
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sym = SYM(table, i);
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fprintf(stderr, "%d %.*s ", (int)table->sort[i], (int)sym->len, sym->name);
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}
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//if ((i > 0) && (!(i & 0xF)))
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// fprintf(stderr, "\n");
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}
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fprintf(stderr, "\n\n");
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}
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void TABLE_copy_symbol_with_prefix(TABLE *table, int ind_src, char prefix, int *index)
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{
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SYMBOL *sym;
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char *ptr;
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sym = TABLE_get_symbol(table, ind_src);
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ptr = (char *)sym->name - 1;
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if (UNLIKELY(!isspace((unsigned char)*ptr)))
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ERROR_panic("Cannot add prefix to symbol");
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*ptr = prefix;
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TABLE_add_symbol(table, ptr, sym->len + 1, index);
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}
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SYMBOL *TABLE_get_symbol_sort(TABLE *table, int index)
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{
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return TABLE_get_symbol(table, table->sort[index]);
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}
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