179 lines
3.4 KiB
C
179 lines
3.4 KiB
C
/***************************************************************************
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gbc_help.c
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(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
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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 __GBC_HELP_C
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#include "gb_common.h"
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#include "gb_error.h"
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#include "gb_file.h"
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#include "gbc_compile.h"
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#include "gbc_help.h"
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//#define DEBUG_ME 1
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static bool get_help_at(int i, const char **help, int *len)
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{
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const char *p;
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int n = 0;
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if (i < 0 || i >= ARRAY_count(JOB->help))
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return TRUE;
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p = JOB->help[i];
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if (!p)
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return TRUE;
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if (HELP_is_void_line(p))
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{
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*help = p;
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n = 0;
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}
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else
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{
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while (*p == '\'')
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p++;
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if (*p == ' ')
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p++;
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*help = p;
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while (*p++ != '\n')
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n++;
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}
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*len = n;
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return FALSE;
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}
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void HELP_add_at_current_line(const char *help)
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{
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int count = ARRAY_count(JOB->help);
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int new_max;
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if (!count)
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{
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if (HELP_is_void_line(help))
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return;
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ARRAY_create_inc(&JOB->help, 256);
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JOB->help_first_line = JOB->line;
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}
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else
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{
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new_max = JOB->line - JOB->help_first_line;
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if (new_max < count) // Already added!
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return;
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if (new_max > count)
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ARRAY_add_many_void(&JOB->help, new_max - count);
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}
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*ARRAY_add(&JOB->help) = help;
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#if DEBUG_ME
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int len;
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get_help_at(JOB->line - JOB->help_first_line, &help, &len);
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fprintf(stderr, "add help comment: %d %p %d: %.*s\n", JOB->line, help, ARRAY_count(JOB->help), len, help);
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#endif
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}
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void HELP_search_and_print(FILE *file, int line)
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{
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const char *help;
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int len, i, ii;
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if (!JOB->help)
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return;
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#if DEBUG_ME
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fprintf(stderr, "HELP_search_and_print: %s: %d\n", FILE_get_name(JOB->name), line);
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#endif
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i = line - JOB->help_first_line;
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if (i < 0)
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return;
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if (JOB->help[i])
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{
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if (!get_help_at(i, &help, &len))
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{
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#if DEBUG_ME
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fprintf(stderr, "[%d] '' %.*s\n", line, len, help);
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#endif
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fprintf(file, "'%.*s\n", len, help);
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JOB->help[i] = NULL;
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}
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}
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else
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{
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ii = i;
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i--;
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while (i >= 0)
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{
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if (!JOB->help[i] || HELP_is_for_class(JOB->help[i]))
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break;
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i--;
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}
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for (i++; i < ii; i++)
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{
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if (HELP_is_void_line(JOB->help[i]))
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continue;
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if (get_help_at(i, &help, &len))
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continue;
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#if DEBUG_ME
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fprintf(stderr, "{%d} ''%.*s\n", line + i - ii, len, help);
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#endif
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fprintf(file, "'%.*s\n", len, help);
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}
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}
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}
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void HELP_search_and_print_for_class(FILE *file)
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{
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int i;
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const char *help;
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int len;
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if (!JOB->help)
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return;
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for (i = 0; i < ARRAY_count(JOB->help); i++)
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{
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if (!JOB->help[i] || !HELP_is_for_class(JOB->help[i]))
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break;
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if (get_help_at(i, &help, &len))
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break;
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#if DEBUG_ME
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fprintf(stderr, "[%d] '''%.*s\n", JOB->help_first_line + i, len, help);
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#endif
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fprintf(file, "'%.*s\n", len, help);
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}
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}
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