/*************************************************************************** output.c The object file creator (c) 2000-2007 Benoit Minisini 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 1, 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. 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., 675 Mass Ave, Cambridge, MA 02139, USA. ***************************************************************************/ #define __GBC_OUTPUT_C #include "gb_common.h" #include #include #include #include #include #include "config.h" #include "gb_error.h" #include "gb_alloc.h" #include "gb_str.h" #include "gb_file.h" #include "gb_common_swap.h" #include "gb_magic.h" #include "gbc_chown.h" #include "gbc_compile.h" #include "gbc_output.h" /*#define DEBUG*/ /*#define DEBUG_MORE*/ static CLASS *Class; static int StringAddr; static TABLE *StringTable; static int NSection; static int PosStartSection; static int SizeSection; static bool _swap; static FILE *_file; static int _pos; static char _buffer[OUTPUT_BUFFER_SIZE + 8]; static const char * const _mbuffer = &_buffer[OUTPUT_BUFFER_SIZE]; static char *_pbuffer; static OUTPUT_CHANGE *_change = NULL; static void output_init(void) { TABLE_create(&StringTable, sizeof(OUTPUT_SYMBOL), TF_NORMAL); StringAddr = 0; NSection = 0; _pos = 0; _pbuffer = _buffer; ARRAY_create(&_change); } static void output_exit(void) { TABLE_delete(&StringTable); ARRAY_delete(&_change); } static int get_string(const char *string, int len) { OUTPUT_SYMBOL *sym; if (len < 0) len = strlen(string); if (!TABLE_add_symbol(StringTable, string, len, (SYMBOL **)(void *)&sym, NULL)) { sym->value = StringAddr; StringAddr += len + 1; } #ifdef DEBUG printf("'%.*s' -> %ld\n", len, string, sym->value); #endif return sym->value; } #define get_pos() (_pos) static void flush_buffer(void) { size_t len = _pbuffer - _buffer; if (len <= 0) return; if (fwrite(_buffer, sizeof(char), len, _file) != len) THROW("Write error"); _pbuffer = _buffer; } static void write_byte(unsigned char val) { #ifdef DEBUG_MORE printf("%ld : b %u 0x%X\n", get_pos(), val, val); #endif if (_pbuffer >= _mbuffer) flush_buffer(); *_pbuffer++ = val; _pos++; /*if (fwrite(&val, sizeof(char), 1, _file) != 1) THROW("Write error");*/ } static void write_short(ushort val) { #ifdef DEBUG_MORE printf("%ld : i %u 0x%X\n", get_pos(), val, val); #endif if (_swap) SWAP_short((short *)&val); if (_pbuffer >= _mbuffer) flush_buffer(); *((ushort *)_pbuffer) = val; _pbuffer += sizeof(val); _pos += sizeof(val); } static void write_int(uint val) { #ifdef DEBUG_MORE printf("%ld : l %lu 0x%lX\n", get_pos(), val, val); #endif if (_swap) SWAP_int((int *)&val); if (_pbuffer >= _mbuffer) flush_buffer(); *((uint *)_pbuffer) = val; _pbuffer += sizeof(val); _pos += sizeof(val); } static void write_int64(uint64_t val) { #ifdef DEBUG_MORE printf("%ld : l %llu 0x%llX\n", get_pos(), val, val); #endif if (_swap) SWAP_int64((int64_t *)&val); if (_pbuffer >= _mbuffer) flush_buffer(); *((uint64_t *)_pbuffer) = val; _pbuffer += sizeof(val); _pos += sizeof(val); } static void write_string(const char *str, int len) { #ifdef DEBUG_MORE printf("%ld : s \"%.*s\"\n", get_pos(), len, str); #endif if (&_pbuffer[len] > _mbuffer) flush_buffer(); if (&_pbuffer[len] <= _mbuffer) { memcpy(_pbuffer, str, len); _pbuffer += len; *_pbuffer++ = 0; _pos += len + 1; return; } if (fwrite(str, sizeof(char), len, _file) != len) THROW("Write error"); _pos += len; write_byte(0); } static void write_buffer(void *str, int len) { #ifdef DEBUG_MORE printf("%ld : buffer %ld octets\n", get_pos(), len); #endif if (len == 0) return; if (&_pbuffer[len] > _mbuffer) flush_buffer(); if (&_pbuffer[len] <= _mbuffer) { memcpy(_pbuffer, str, len); _pbuffer += len; _pos += len; return; } flush_buffer(); if (fwrite(str, sizeof(char), len, _file) != len) THROW("Write error"); _pos += len; } static void write_pad(void) { while (get_pos() & 0x3) write_byte(0); } static void write_type(TYPE type) { write_byte(type.t.flag); write_byte(type.t.id); write_short(type.t.value); } static void add_change(off_t pos, uint val) { int prev = get_pos(); char *ppos; OUTPUT_CHANGE *change; ppos = &_buffer[pos - (prev - (_pbuffer - _buffer))]; if (ppos >= _buffer && ppos < (_pbuffer - sizeof(uint))) { *((uint *)ppos) = val; return; } change = ARRAY_add(&_change); change->pos = pos; change->val = val; } static void begin_section(const char *name, int size) { NSection++; #ifdef DEBUG printf("Section #%d : %s\n", NSection, name); #endif if (size) { PosStartSection = get_pos(); write_int(0); } else PosStartSection = 0; SizeSection = size; } static void end_section(void) { int len; if (PosStartSection) { write_pad(); len = get_pos() - PosStartSection - sizeof(int); add_change(PosStartSection, len); #ifdef DEBUG printf("==> %ld %s\n", len / SizeSection, (SizeSection == 1) ? "bytes" : "elements"); if (len % SizeSection) printf("*** remain %ld bytes\n", len % SizeSection); #endif } } static void output_header(void) { begin_section("Header", 0); /* magic */ write_int(OUTPUT_MAGIC); /* version */ write_int(GAMBAS_PCODE_VERSION); /* endianness */ write_int(OUTPUT_ENDIAN); /* flag */ if (JOB->debug) write_int(1); else write_int(0); end_section(); } static void output_class(void) { short flag; begin_section("Class", 1); /* classe parente */ write_short(Class->parent); /* flags */ flag = 0; if (Class->exported) flag |= 1; if (Class->autocreate) flag |= 2; if (Class->optional) flag |= 4; if (Class->nocreate) flag |= 8; write_short(flag); /* size_static */ write_int(Class->size_stat); /* size_dynamic */ write_int(Class->size_dyn); end_section(); } static void output_desc(void) { int i, n, nn = 0; CLASS_SYMBOL *csym; TYPE type; short out_type; n = TABLE_count(Class->table); begin_section("Description", 6 * sizeof(int)); for (i = 0; i < n; i++) { csym = (CLASS_SYMBOL *)TABLE_get_symbol(Class->table, i); csym = (CLASS_SYMBOL *)TABLE_get_symbol(Class->table, csym->symbol.sort); type = csym->global.type; if (TYPE_is_public(type)) { nn++; /* name */ write_int(get_string(csym->symbol.name, csym->symbol.len)); /* datatype */ write_type(csym->global.type); switch (TYPE_get_kind(type)) { case TK_VARIABLE: /* offset */ write_int(csym->global.value); /* read */ write_int(0); /* write */ write_int(0); if (TYPE_is_static(type)) out_type = CD_STATIC_VARIABLE_ID; else out_type = CD_VARIABLE_ID; break; case TK_PROPERTY: /* read */ write_int(Class->prop[csym->global.value].read); /* write */ write_int(Class->prop[csym->global.value].write); /* flag */ write_int(0); if (TYPE_is_static(type)) out_type = CD_STATIC_PROPERTY_ID; else out_type = CD_PROPERTY_ID; break; case TK_CONST: /* param */ write_int(csym->global.value); /* read */ write_int(0); /* write */ write_int(0); out_type = CD_CONSTANT_ID; break; case TK_FUNCTION: /* exec */ write_int(csym->global.value); /* signature */ write_int(0); /* nparam */ write_int(0); if (TYPE_is_static(type)) out_type = CD_STATIC_METHOD_ID; else out_type = CD_METHOD_ID; break; case TK_EVENT: /* exec */ write_int(csym->global.value); /* signature */ write_int(0); /* nparam */ write_int(0); out_type = CD_EVENT_ID; break; case TK_EXTERN: /* exec */ write_int(csym->global.value); /* signature */ write_int(0); /* nparam */ write_int(0); out_type = CD_EXTERN_ID; break; default: ERROR_panic("output_desc: unknown symbol type"); continue; } /* type de symbole */ write_int(out_type); } } end_section(); } static void output_constant(void) { int i, n; CONSTANT *constant; SYMBOL *sym; //TABLE *table; n = ARRAY_count(Class->constant); begin_section("Constants", 3 * sizeof(int)); for (i = 0; i < n; i++) { constant = &Class->constant[i]; /* type */ write_type(constant->type); /* value */ switch (TYPE_get_id(constant->type)) { case T_BOOLEAN: case T_BYTE: case T_SHORT: case T_INTEGER: write_int(constant->value); write_int(0); break; case T_LONG: write_int64(constant->lvalue); break; case T_SINGLE: case T_FLOAT: sym = TABLE_get_symbol(Class->table, constant->value); write_int(get_string(sym->name, sym->len)); write_int(sym->len); break; case T_STRING: case T_CSTRING: sym = TABLE_get_symbol(Class->string, constant->value); write_int(get_string(sym->name, sym->len)); write_int(sym->len); break; } } end_section(); } static void output_class_ref(void) { int i, n; SYMBOL *sym; CLASS_REF *ref; n = ARRAY_count(Class->class); begin_section("External classes", sizeof(int)); for (i = 0; i < n; i++) { ref = &Class->class[i]; sym = TABLE_get_symbol(Class->table, ref->index); if (ref->used) { if (ref->exported) write_int(-get_string(sym->name, sym->len)); else write_int(get_string(sym->name, sym->len)); } else { if (JOB->verbose) printf("Ignoring class %.*s\n", sym->len, sym->name); write_int(-1); } } end_section(); } static void output_unknown_ref(void) { int i, n; SYMBOL *sym; n = ARRAY_count(Class->unknown); begin_section("External symbols", sizeof(int)); for (i = 0; i < n; i++) { sym = TABLE_get_symbol(Class->table, Class->unknown[i]); write_int(get_string(sym->name, sym->len)); } end_section(); } static void output_static(void) { int i, n; VARIABLE *var; n = ARRAY_count(Class->stat); begin_section("Static variables", 2 * sizeof(int)); for (i = 0; i < n; i++) { var = &Class->stat[i]; /* type */ write_type(var->type); /* addr */ write_int(var->pos); } end_section(); } static void output_dynamic(void) { int i, n; VARIABLE *var; n = ARRAY_count(Class->dyn); begin_section("Dynamic variables", 2 * sizeof(int)); for (i = 0; i < n; i++) { var = &Class->dyn[i]; /* type */ write_type(var->type); /* addr */ write_int(var->pos); } end_section(); } static void output_event(void) { int i, n; EVENT *event; SYMBOL *sym; n = ARRAY_count(Class->event); begin_section("Events", 4 * sizeof(int)); for (i = 0; i < n; i++) { event = &Class->event[i]; /* type */ write_type(event->type); /* n_param */ write_short(event->nparam); /* reserved */ write_short(0); /* desc_param */ write_int(0); /* name */ sym = TABLE_get_symbol(Class->table, event->name); write_int(get_string(sym->name, sym->len)); } end_section(); } static void output_extern(void) { int i, n; EXTFUNC *ext; SYMBOL *sym; n = ARRAY_count(Class->ext_func); begin_section("Extern functions", 5 * sizeof(int)); for (i = 0; i < n; i++) { ext = &Class->ext_func[i]; /* type */ write_type(ext->type); /* n_param */ write_short(ext->nparam); /* reserved */ write_short(0); /* desc_param */ write_int(0); /* name */ /*sym = TABLE_get_symbol(Class->table, ext->name); write_int(get_string(sym->name, sym->len));*/ /* alias name */ if (ext->alias == NO_SYMBOL) sym = TABLE_get_symbol(Class->table, ext->name); else sym = TABLE_get_symbol(Class->string, ext->alias); write_int(get_string(sym->name, sym->len)); /* library name */ sym = TABLE_get_symbol(Class->string, ext->library); write_int(get_string(sym->name, sym->len)); } end_section(); } static void output_method(void) { int i, n; FUNCTION *func; /*SYMBOL *sym;*/ n = ARRAY_count(Class->function); begin_section("Methods", 8 * sizeof(int)); for (i = 0; i < n; i++) { func = &Class->function[i]; write_type(func->type); write_byte(func->nparam); write_byte(func->npmin); write_byte(func->vararg); write_byte(0); write_short(func->nlocal); write_short(func->nctrl); write_short(func->stack); /* gestion d'erreur */ if (func->catch && func->finally) write_short(Min(func->finally, func->catch)); else if (func->catch) write_short(func->catch); else write_short(func->finally); /* addr_code */ write_int(func->ncode); /* desc_param */ write_int(0); /* desc_local */ write_int(0); /* debug_info */ write_int(0); } end_section(); } static void output_param_local(void) { int i, j; FUNCTION *func; EVENT *event; EXTFUNC *ext; PARAM *param; begin_section("Parameters", sizeof(int)); for (i = 0; i < ARRAY_count(Class->function); i++) { func = &Class->function[i]; if (func->name != NO_SYMBOL) { /* Les param�res sont remis dans les variables locales ! for (j = 0; j < func->nparam; j++) { param = &func->param[j]; write_int(param->type); } */ for (j = 0; j < func->nlocal + func->nparam; j++) { param = &func->local[j]; /* type */ write_type(param->type); } } } for (i = 0; i < ARRAY_count(Class->event); i++) { event = &Class->event[i]; for (j = 0; j < event->nparam; j++) { param = &event->param[j]; /* type */ write_type(param->type); } } for (i = 0; i < ARRAY_count(Class->ext_func); i++) { ext = &Class->ext_func[i]; for (j = 0; j < ext->nparam; j++) { param = &ext->param[j]; /* type */ write_type(param->type); } } end_section(); } static void output_array(void) { int i, j, p; CLASS_ARRAY *array; begin_section("Arrays", sizeof(int)); p = ARRAY_count(Class->array) * sizeof(int); for (i = 0; i < ARRAY_count(Class->array); i++) { array = &Class->array[i]; write_int(p); p += sizeof(int) + array->ndim * sizeof(int); } for (i = 0; i < ARRAY_count(Class->array); i++) { array = &Class->array[i]; write_type(array->type); for (j = 0; j < array->ndim; j++) { p = array->dim[j]; if (j == (array->ndim - 1)) p = (-p); write_int(p); } } end_section(); } static void output_code() { int i, j; int n; FUNCTION *func; for (i = 0; i < ARRAY_count(Class->function); i++) { func = &Class->function[i]; n = func->ncode; begin_section("Code", sizeof(short)); if (_swap) { for (j = 0; j < n; j++) write_short(func->code[j]); } else write_buffer(func->code, n * sizeof(short)); end_section(); } } static void output_debug_global() { int i, nn = 0; CLASS_SYMBOL *csym; TYPE type; begin_section("Global symbol table", 4 * sizeof(int)); for (i = 0; i < TABLE_count(Class->table); i++) { csym = (CLASS_SYMBOL *)TABLE_get_symbol(Class->table, i); csym = (CLASS_SYMBOL *)TABLE_get_symbol(Class->table, csym->symbol.sort); type = csym->global.type; switch (TYPE_get_kind(type)) { case TK_VARIABLE: case TK_FUNCTION: case TK_PROPERTY: case TK_EXTERN: case TK_CONST: nn++; /* sort */ write_short((short)nn); /* len */ write_short(csym->symbol.len); /* name */ write_int(get_string(csym->symbol.name, csym->symbol.len)); /* type */ write_type(csym->global.type); /* value */ write_int(csym->global.value); break; default: /* ignore */ break; } } end_section(); } static void output_debug_method() { int i, j, n; SYMBOL *sym; OUTPUT_SYMBOL *osym; CLASS_SYMBOL *csym; PARAM *param; FUNCTION *func; TABLE *table; begin_section("Debug method info", 5 * sizeof(int)); for (i = 0; i < ARRAY_count(Class->function); i++) { func = &Class->function[i]; if (func->pos_line != NULL) { /* line */ write_short(func->line); write_short(ARRAY_count(func->pos_line)); /* pos_line */ write_int(0); /* nom */ sym = TABLE_get_symbol(Class->table, func->name); write_int(get_string(sym->name, sym->len)); /* local symbols */ write_int(0); /* n_local */ write_short(0); /* reserved */ write_short(0); } else { write_short(0); write_short(0); write_int(0); write_int(0); write_int(0); write_short(0); write_short(0); } } end_section(); for (i = 0; i < ARRAY_count(Class->function); i++) { func = &Class->function[i]; n = func->pos_line ? ARRAY_count(func->pos_line) : 0; begin_section("Debug method lines", sizeof(short)); if (_swap) { for (j = 0; j < n; j++) write_short(func->pos_line[j]); } else write_buffer(func->pos_line, n * sizeof(short)); end_section(); } for (i = 0; i < ARRAY_count(Class->function); i++) { func = &Class->function[i]; begin_section("Debug method local symbols", sizeof(int) * 3); if (func->name != NO_SYMBOL) { sym = (SYMBOL *)TABLE_get_symbol(Class->table, func->name); /*printf("%.*s()\n", sym->len, sym->name);*/ TABLE_create(&table, sizeof(OUTPUT_SYMBOL), TF_IGNORE_CASE); for (j = 0; j < func->nlocal + func->nparam; j++) { param = &func->local[j]; csym = (CLASS_SYMBOL *)TABLE_get_symbol(Class->table, param->index); TABLE_add_symbol(table, csym->symbol.name, csym->symbol.len, (SYMBOL **)(void *)&osym, NULL); osym->value = param->value;/*TYPE_long(param->type);*/ } for (j = 0; j < TABLE_count(table); j++) { param = &func->local[j]; osym = (OUTPUT_SYMBOL *)TABLE_get_symbol(table, j); /* sort */ write_short(osym->sym.sort); /* len */ write_short(osym->sym.len); /* name */ write_int(get_string(osym->sym.name, osym->sym.len)); /* value */ write_int(osym->value); /*printf("%.*s %ld\n", osym->sym.len, osym->sym.name, osym->value);*/ } TABLE_delete(&table); } end_section(); } } static void output_debug_filename(void) { char path[MAX_PATH + 1]; int n; begin_section("Debug file name", 1); if (JOB->name[0] == '/') { strcpy(path, JOB->name); } else { getcwd(path, MAX_PATH); n = strlen(path); if (path[n - 1] != '/') strcpy(&path[n], "/"); strcat(&path[n], JOB->name); } n = strlen(path); write_buffer(path, n); /*write_pad();*/ end_section(); } static void output_string(void) { int i; SYMBOL *sym; begin_section("Strings", 1); for (i = 0; i < TABLE_count(StringTable); i++) { sym = TABLE_get_symbol(StringTable, i); write_string(sym->name, sym->len); } end_section(); } PUBLIC const char *OUTPUT_get_file(const char *file) { const char *output; char *p; const char *dir; char *name; dir = STR_copy(FILE_get_dir(file)); name = STR_copy(FILE_get_name(file)); for (p = name; *p; p++) { if (*p == '.') { *p = 0; break; } *p = toupper(*p); } output = FILE_cat(dir, ".gambas", NULL); if (mkdir(output, 0777) == 0) FILE_set_owner(output, COMP_project); output = STR_copy(FILE_cat(dir, ".gambas", name, NULL)); STR_free(dir); STR_free(name); return output; } PUBLIC const char *OUTPUT_get_trans_file(const char *file) { const char *output; const char *dir; const char *name; dir = STR_copy(FILE_get_dir(file)); name = STR_copy(FILE_get_name(file)); output = FILE_cat(dir, ".lang", NULL); if (mkdir(output, 0777) == 0) FILE_set_owner(output, COMP_project); output = FILE_cat(dir, ".lang", name, NULL); output = STR_copy(FILE_set_ext(output, "pot")); STR_free(dir); STR_free(name); return output; } static void output_translation(void) { FILE *file; int i, j, n; CONSTANT *constant; SYMBOL *sym; unsigned char c; /*printf("Generating %s\n", JOB->tname);*/ file = fopen(JOB->tname, "w"); if (!file) THROW("Cannot create file '&1'", JOB->tname); fprintf(file, "# %s\n# Generated by Gambas compiler\n\n", JOB->name); fprintf(file, "# FIRST AUTHOR , YEAR.\n" "#\n" "#, fuzzy\n" "msgid \"\"\n" "msgstr \"\"\n" "\"Project-Id-Version: PACKAGE VERSION\\n\"" "\"POT-Creation-Date: 2002-11-01 04:27+0100\\n\"\n" "\"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\\n\"\n" "\"Last-Translator: FULL NAME \\n\"\n" "\"Language-Team: LANGUAGE \\n\"\n" "\"MIME-Version: 1.0\\n\"\n" "\"Content-Type: text/plain; charset=UTF-8\\n\"\n" "\"Content-Transfer-Encoding: 8bit\\n\"\n\n"); n = ARRAY_count(Class->constant); for (i = 0; i < n; i++) { constant = &Class->constant[i]; if (TYPE_get_id(constant->type) != T_CSTRING) continue; sym = TABLE_get_symbol(Class->string, constant->value); if (sym->len == 0) continue; for (j = 0; j < sym->len; j++) { c = sym->name[j]; if (c > ' ') break; } if (j >= sym->len) continue; fprintf(file, "#: %s:%d\n", FILE_get_name(JOB->name), constant->line); fprintf(file, "msgid \""); for (j = 0; j < sym->len; j++) { c = sym->name[j]; if (c == '\n') fprintf(file, "\\n"); else if (c == '\t') fprintf(file, "\\t"); else if (c == '\r') fprintf(file, "\\r"); else if (c == '\\') fprintf(file, "\\\\"); else if (c == '"') fprintf(file, "\\\""); else fputc(c, file); } fprintf(file, "\"\n"); fprintf(file, "msgstr \"\"\n\n"); sym->len = 0; /* Horrible hack for not writing the same string twice */ } fclose(file); FILE_set_owner(JOB->tname, COMP_project); } static void output_finalize(void) { int i; flush_buffer(); for (i = 0; i < ARRAY_count(_change); i++) { fseek(_file, _change[i].pos, SEEK_SET); if (fwrite(&_change[i].val, sizeof(int), 1, _file) != 1) THROW("Write error"); } } PUBLIC void OUTPUT_do(bool swap) { const char *name; _swap = swap; output_init(); /* La premi�e cha�e est toujours le nom de la classe */ get_string(JOB->class->name, strlen(JOB->class->name)); name = JOB->output; #ifdef DEBUG printf("Output to %s\n", name); #endif _file = fopen(name, "w"); if (!_file) THROW("Cannot create file '&1'", name); Class = JOB->class; #ifdef DEBUG printf("pos = %lu\n", get_pos()); #endif output_header(); output_class(); output_desc(); output_constant(); output_class_ref(); output_unknown_ref(); output_static(); output_dynamic(); output_event(); output_extern(); output_method(); output_param_local(); output_array(); output_code(); if (JOB->debug) { output_debug_global(); output_debug_method(); output_debug_filename(); } output_string(); output_finalize(); fclose(_file); FILE_set_owner(JOB->output, COMP_project); output_exit(); /* Internationalisation */ if (JOB->trans) output_translation(); }