// Copyright (C) 1999-2000 Id Software, Inc. // /***************************************************************************** * name: l_precomp.c * * desc: pre compiler * * $Archive: /MissionPack/code/botlib/l_precomp.c $ * $Author: Ttimo $ * $Revision: 20 $ * $Modtime: 5/15/01 4:10a $ * $Date: 5/15/01 4:10a $ * *****************************************************************************/ //Notes: fix: PC_StringizeTokens //#define SCREWUP //#define BOTLIB //#define QUAKE //#define QUAKEC //#define MEQCC #ifdef SCREWUP #include #include #include #include #include #include #include "l_memory.h" #include "l_script.h" #include "l_precomp.h" typedef enum {qfalse, qtrue} qboolean; #endif //SCREWUP #ifdef BOTLIB #include "../game/q_shared.h" #include "../game/botlib.h" #include "be_interface.h" #include "l_memory.h" #include "l_script.h" #include "l_precomp.h" #include "l_log.h" #endif //BOTLIB #ifdef MEQCC #include "qcc.h" #include "time.h" //time & ctime #include "math.h" //fabs #include "l_memory.h" #include "l_script.h" #include "l_precomp.h" #include "l_log.h" #define qtrue true #define qfalse false #endif //MEQCC #ifdef BSPC //include files for usage in the BSP Converter #include "../bspc/qbsp.h" #include "../bspc/l_log.h" #include "../bspc/l_mem.h" #include "l_precomp.h" #define qtrue true #define qfalse false #define Q_stricmp stricmp #endif //BSPC #if defined(QUAKE) && !defined(BSPC) #include "l_utils.h" #endif //QUAKE //#define DEBUG_EVAL #define MAX_DEFINEPARMS 128 #define DEFINEHASHING 1 //directive name with parse function typedef struct directive_s { char *name; int (*func)(source_t *source); } directive_t; #define DEFINEHASHSIZE 1024 #define TOKEN_HEAP_SIZE 4096 int numtokens; /* int tokenheapinitialized; //true when the token heap is initialized token_t token_heap[TOKEN_HEAP_SIZE]; //heap with tokens token_t *freetokens; //free tokens from the heap */ //list with global defines added to every source loaded #if DEFINEHASHING define_t **globaldefines = NULL; #else define_t *globaldefines = NULL; #endif qboolean addGlobalDefine = qfalse; //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void QDECL SourceError(source_t *source, char *str, ...) { char text[1024]; va_list ap; va_start(ap, str); vsprintf(text, str, ap); va_end(ap); #ifdef BOTLIB botimport.Print(PRT_ERROR, "file %s, line %d: %s\n", source->scriptstack->filename, source->scriptstack->line, text); #endif //BOTLIB #ifdef MEQCC printf("error: file %s, line %d: %s\n", source->scriptstack->filename, source->scriptstack->line, text); #endif //MEQCC #ifdef BSPC Log_Print("error: file %s, line %d: %s\n", source->scriptstack->filename, source->scriptstack->line, text); #endif //BSPC } //end of the function SourceError //=========================================================================== // // Parameter: - // Returns: - // Changes Globals: - //=========================================================================== void QDECL SourceWarning(source_t *source, char *str, ...) { char text[1024]; va_list ap; va_start(ap, str); vsprintf(text, str, ap); va_end(ap); #ifdef BOTLIB botimport.Print(PRT_WARNING, "file %s, line %d: %s\n", source->scriptstack->filename, source->scriptstack->line, text); #endif //BOTLIB #ifdef MEQCC printf("warning: file %s, line %d: %s\n", source->scriptstack->filename, source->scriptstack->line, text); #endif //MEQCC #ifdef BSPC Log_Print("warning: file %s, line %d: %s\n", source->scriptstack->filename, source->scriptstack->line, text); #endif //BSPC } //end of the function ScriptWarning //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_PushIndent(source_t *source, int type, int skip) { indent_t *indent; indent = (indent_t *) GetMemory(sizeof(indent_t)); indent->type = type; indent->script = source->scriptstack; indent->skip = (skip != 0); source->skip += indent->skip; indent->next = source->indentstack; source->indentstack = indent; } //end of the function PC_PushIndent //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_PopIndent(source_t *source, int *type, int *skip) { indent_t *indent; *type = 0; *skip = 0; indent = source->indentstack; if (!indent) return; //must be an indent from the current script if (source->indentstack->script != source->scriptstack) return; *type = indent->type; *skip = indent->skip; source->indentstack = source->indentstack->next; source->skip -= indent->skip; FreeMemory(indent); } //end of the function PC_PopIndent //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_PushScript(source_t *source, script_t *script) { script_t *s; for (s = source->scriptstack; s; s = s->next) { if (!Q_stricmp(s->filename, script->filename)) { SourceError(source, "%s recursively included", script->filename); return; } //end if } //end for //push the script on the script stack script->next = source->scriptstack; source->scriptstack = script; } //end of the function PC_PushScript //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_InitTokenHeap(void) { /* int i; if (tokenheapinitialized) return; freetokens = NULL; for (i = 0; i < TOKEN_HEAP_SIZE; i++) { token_heap[i].next = freetokens; freetokens = &token_heap[i]; } //end for tokenheapinitialized = qtrue; */ } //end of the function PC_InitTokenHeap //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ token_t *PC_CopyToken(token_t *token) { token_t *t; // t = (token_t *) malloc(sizeof(token_t)); t = (token_t *) GetMemory(sizeof(token_t)); // t = freetokens; if (!t) { #ifdef BSPC Error("out of token space\n"); #else Com_Error(ERR_FATAL, "out of token space\n"); #endif return NULL; } //end if // freetokens = freetokens->next; Com_Memcpy(t, token, sizeof(token_t)); t->next = NULL; numtokens++; return t; } //end of the function PC_CopyToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_FreeToken(token_t *token) { //free(token); FreeMemory(token); // token->next = freetokens; // freetokens = token; numtokens--; } //end of the function PC_FreeToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ReadSourceToken(source_t *source, token_t *token) { token_t *t; script_t *script; int type, skip; //if there's no token already available while(!source->tokens) { //if there's a token to read from the script if (PS_ReadToken(source->scriptstack, token)) return qtrue; //if at the end of the script if (EndOfScript(source->scriptstack)) { //remove all indents of the script while(source->indentstack && source->indentstack->script == source->scriptstack) { SourceWarning(source, "missing #endif"); PC_PopIndent(source, &type, &skip); } //end if } //end if //if this was the initial script if (!source->scriptstack->next) return qfalse; //remove the script and return to the last one script = source->scriptstack; source->scriptstack = source->scriptstack->next; FreeScript(script); } //end while //copy the already available token Com_Memcpy(token, source->tokens, sizeof(token_t)); //free the read token t = source->tokens; source->tokens = source->tokens->next; PC_FreeToken(t); return qtrue; } //end of the function PC_ReadSourceToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_UnreadSourceToken(source_t *source, token_t *token) { token_t *t; t = PC_CopyToken(token); t->next = source->tokens; source->tokens = t; return qtrue; } //end of the function PC_UnreadSourceToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ReadDefineParms(source_t *source, define_t *define, token_t **parms, int maxparms) { token_t token, *t, *last; int i, done, lastcomma, numparms, indent; if (!PC_ReadSourceToken(source, &token)) { SourceError(source, "define %s missing parms", define->name); return qfalse; } //end if // if (define->numparms > maxparms) { SourceError(source, "define with more than %d parameters", maxparms); return qfalse; } //end if // for (i = 0; i < define->numparms; i++) parms[i] = NULL; //if no leading "(" if (strcmp(token.string, "(")) { PC_UnreadSourceToken(source, &token); SourceError(source, "define %s missing parms", define->name); return qfalse; } //end if //read the define parameters for (done = 0, numparms = 0, indent = 0; !done;) { if (numparms >= maxparms) { SourceError(source, "define %s with too many parms", define->name); return qfalse; } //end if if (numparms >= define->numparms) { SourceWarning(source, "define %s has too many parms", define->name); return qfalse; } //end if parms[numparms] = NULL; lastcomma = 1; last = NULL; while(!done) { // if (!PC_ReadSourceToken(source, &token)) { SourceError(source, "define %s incomplete", define->name); return qfalse; } //end if // if (!strcmp(token.string, ",")) { if (indent <= 0) { if (lastcomma) SourceWarning(source, "too many comma's"); lastcomma = 1; break; } //end if } //end if lastcomma = 0; // if (!strcmp(token.string, "(")) { indent++; continue; } //end if else if (!strcmp(token.string, ")")) { if (--indent <= 0) { if (!parms[define->numparms-1]) { SourceWarning(source, "too few define parms"); } //end if done = 1; break; } //end if } //end if // if (numparms < define->numparms) { // t = PC_CopyToken(&token); t->next = NULL; if (last) last->next = t; else parms[numparms] = t; last = t; } //end if } //end while numparms++; } //end for return qtrue; } //end of the function PC_ReadDefineParms //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_StringizeTokens(token_t *tokens, token_t *token) { token_t *t; token->type = TT_STRING; token->whitespace_p = NULL; token->endwhitespace_p = NULL; token->string[0] = '\0'; strcat(token->string, "\""); for (t = tokens; t; t = t->next) { strncat(token->string, t->string, MAX_TOKEN - strlen(token->string)); } //end for strncat(token->string, "\"", MAX_TOKEN - strlen(token->string)); return qtrue; } //end of the function PC_StringizeTokens //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_MergeTokens(token_t *t1, token_t *t2) { //merging of a name with a name or number if (t1->type == TT_NAME && (t2->type == TT_NAME || t2->type == TT_NUMBER)) { strcat(t1->string, t2->string); return qtrue; } //end if //merging of two strings if (t1->type == TT_STRING && t2->type == TT_STRING) { //remove trailing double quote t1->string[strlen(t1->string)-1] = '\0'; //concat without leading double quote strcat(t1->string, &t2->string[1]); return qtrue; } //end if //FIXME: merging of two number of the same sub type return qfalse; } //end of the function PC_MergeTokens //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ /* void PC_PrintDefine(define_t *define) { printf("define->name = %s\n", define->name); printf("define->flags = %d\n", define->flags); printf("define->builtin = %d\n", define->builtin); printf("define->numparms = %d\n", define->numparms); // token_t *parms; //define parameters // token_t *tokens; //macro tokens (possibly containing parm tokens) // struct define_s *next; //next defined macro in a list } //end of the function PC_PrintDefine*/ #if DEFINEHASHING //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_PrintDefineHashTable(define_t **definehash) { int i; define_t *d; for (i = 0; i < DEFINEHASHSIZE; i++) { Log_Write("%4d:", i); for (d = definehash[i]; d; d = d->hashnext) { Log_Write(" %s", d->name); } //end for Log_Write("\n"); } //end for } //end of the function PC_PrintDefineHashTable //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ //char primes[16] = {1, 3, 5, 7, 11, 13, 17, 19, 23, 27, 29, 31, 37, 41, 43, 47}; int PC_NameHash(char *name) { int register hash, i; hash = 0; for (i = 0; name[i] != '\0'; i++) { hash += name[i] * (119 + i); //hash += (name[i] << 7) + i; //hash += (name[i] << (i&15)); } //end while hash = (hash ^ (hash >> 10) ^ (hash >> 20)) & (DEFINEHASHSIZE-1); return hash; } //end of the function PC_NameHash //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_AddDefineToHash(define_t *define, define_t **definehash) { int hash; if ( addGlobalDefine ) { definehash = globaldefines; define->flags |= DEFINE_GLOBAL; } hash = PC_NameHash(define->name); define->hashnext = definehash[hash]; definehash[hash] = define; if ( addGlobalDefine ) { define->globalnext = define->hashnext; } } //end of the function PC_AddDefineToHash //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ define_t *PC_FindHashedDefine(define_t **definehash, char *name) { define_t *d; int hash; hash = PC_NameHash(name); for (d = definehash[hash]; d; d = d->hashnext) { if (!strcmp(d->name, name)) return d; } //end for return NULL; } //end of the function PC_FindHashedDefine #endif //DEFINEHASHING //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ define_t *PC_FindDefine(define_t *defines, char *name) { define_t *d; for (d = defines; d; d = d->next) { if (!strcmp(d->name, name)) return d; } //end for return NULL; } //end of the function PC_FindDefine //============================================================================ // // Parameter: - // Returns: number of the parm // if no parm found with the given name -1 is returned // Changes Globals: - //============================================================================ int PC_FindDefineParm(define_t *define, char *name) { token_t *p; int i; i = 0; for (p = define->parms; p; p = p->next) { if (!strcmp(p->string, name)) return i; i++; } //end for return -1; } //end of the function PC_FindDefineParm //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_FreeDefine(define_t *define) { token_t *t, *next; //free the define parameters for (t = define->parms; t; t = next) { next = t->next; PC_FreeToken(t); } //end for //free the define tokens for (t = define->tokens; t; t = next) { next = t->next; PC_FreeToken(t); } //end for //free the define FreeMemory(define); } //end of the function PC_FreeDefine //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_AddBuiltinDefines(source_t *source) { int i; define_t *define; struct builtin { char *string; int mBuiltin; } builtin[] = { // bk001204 - brackets { "__LINE__", BUILTIN_LINE }, { "__FILE__", BUILTIN_FILE }, { "__DATE__", BUILTIN_DATE }, { "__TIME__", BUILTIN_TIME }, // { "__STDC__", BUILTIN_STDC }, { NULL, 0 } }; for (i = 0; builtin[i].string; i++) { define = (define_t *) GetMemory(sizeof(define_t) + strlen(builtin[i].string) + 1); Com_Memset(define, 0, sizeof(define_t)); define->name = (char *) define + sizeof(define_t); strcpy(define->name, builtin[i].string); define->flags |= DEFINE_FIXED; define->builtin = builtin[i].mBuiltin; //add the define to the source #if DEFINEHASHING PC_AddDefineToHash(define, source->definehash); #else define->next = source->defines; source->defines = define; #endif //DEFINEHASHING } //end for } //end of the function PC_AddBuiltinDefines //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ExpandBuiltinDefine(source_t *source, token_t *deftoken, define_t *define, token_t **firsttoken, token_t **lasttoken) { token_t *token; unsigned long t; // time_t t; //to prevent LCC warning char *curtime; token = PC_CopyToken(deftoken); switch(define->builtin) { case BUILTIN_LINE: { sprintf(token->string, "%d", deftoken->line); #ifdef NUMBERVALUE token->intvalue = deftoken->line; token->floatvalue = deftoken->line; #endif //NUMBERVALUE token->type = TT_NUMBER; token->subtype = TT_DECIMAL | TT_INTEGER; *firsttoken = token; *lasttoken = token; break; } //end case case BUILTIN_FILE: { strcpy(token->string, source->scriptstack->filename); token->type = TT_NAME; token->subtype = strlen(token->string); *firsttoken = token; *lasttoken = token; break; } //end case case BUILTIN_DATE: { t = time(NULL); curtime = ctime((const long *)&t); strcpy(token->string, "\""); strncat(token->string, curtime+4, 7); strncat(token->string+7, curtime+20, 4); strcat(token->string, "\""); free(curtime); token->type = TT_NAME; token->subtype = strlen(token->string); *firsttoken = token; *lasttoken = token; break; } //end case case BUILTIN_TIME: { t = time(NULL); curtime = ctime((const long *)&t); strcpy(token->string, "\""); strncat(token->string, curtime+11, 8); strcat(token->string, "\""); free(curtime); token->type = TT_NAME; token->subtype = strlen(token->string); *firsttoken = token; *lasttoken = token; break; } //end case case BUILTIN_STDC: default: { *firsttoken = NULL; *lasttoken = NULL; break; } //end case } //end switch return qtrue; } //end of the function PC_ExpandBuiltinDefine //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ExpandDefine(source_t *source, token_t *deftoken, define_t *define, token_t **firsttoken, token_t **lasttoken) { token_t *parms[MAX_DEFINEPARMS], *dt, *pt, *t; token_t *t1, *t2, *first, *last, *nextpt, token; int parmnum, i; //if it is a builtin define if (define->builtin) { return PC_ExpandBuiltinDefine(source, deftoken, define, firsttoken, lasttoken); } //end if //if the define has parameters if (define->numparms) { if (!PC_ReadDefineParms(source, define, parms, MAX_DEFINEPARMS)) return qfalse; #ifdef DEBUG_EVAL for (i = 0; i < define->numparms; i++) { Log_Write("define parms %d:", i); for (pt = parms[i]; pt; pt = pt->next) { Log_Write("%s", pt->string); } //end for } //end for #endif //DEBUG_EVAL } //end if //empty list at first first = NULL; last = NULL; //create a list with tokens of the expanded define for (dt = define->tokens; dt; dt = dt->next) { parmnum = -1; //if the token is a name, it could be a define parameter if (dt->type == TT_NAME) { parmnum = PC_FindDefineParm(define, dt->string); } //end if //if it is a define parameter if (parmnum >= 0) { for (pt = parms[parmnum]; pt; pt = pt->next) { t = PC_CopyToken(pt); //add the token to the list t->next = NULL; if (last) last->next = t; else first = t; last = t; } //end for } //end if else { //if stringizing operator if (dt->string[0] == '#' && dt->string[1] == '\0') { //the stringizing operator must be followed by a define parameter if (dt->next) parmnum = PC_FindDefineParm(define, dt->next->string); else parmnum = -1; // if (parmnum >= 0) { //step over the stringizing operator dt = dt->next; //stringize the define parameter tokens if (!PC_StringizeTokens(parms[parmnum], &token)) { SourceError(source, "can't stringize tokens"); return qfalse; } //end if t = PC_CopyToken(&token); } //end if else { SourceWarning(source, "stringizing operator without define parameter"); continue; } //end if } //end if else { t = PC_CopyToken(dt); } //end else //add the token to the list t->next = NULL; if (last) last->next = t; else first = t; last = t; } //end else } //end for //check for the merging operator for (t = first; t; ) { if (t->next) { //if the merging operator if (t->next->string[0] == '#' && t->next->string[1] == '#') { t1 = t; t2 = t->next->next; if (t2) { if (!PC_MergeTokens(t1, t2)) { SourceError(source, "can't merge %s with %s", t1->string, t2->string); return qfalse; } //end if PC_FreeToken(t1->next); t1->next = t2->next; if (t2 == last) last = t1; PC_FreeToken(t2); continue; } //end if } //end if } //end if t = t->next; } //end for //store the first and last token of the list *firsttoken = first; *lasttoken = last; //free all the parameter tokens for (i = 0; i < define->numparms; i++) { for (pt = parms[i]; pt; pt = nextpt) { nextpt = pt->next; PC_FreeToken(pt); } //end for } //end for // return qtrue; } //end of the function PC_ExpandDefine //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ExpandDefineIntoSource(source_t *source, token_t *deftoken, define_t *define) { token_t *firsttoken, *lasttoken; if (!PC_ExpandDefine(source, deftoken, define, &firsttoken, &lasttoken)) return qfalse; if (firsttoken && lasttoken) { lasttoken->next = source->tokens; source->tokens = firsttoken; return qtrue; } //end if return qfalse; } //end of the function PC_ExpandDefineIntoSource //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_ConvertPath(char *path) { char *ptr; //remove double path seperators for (ptr = path; *ptr;) { if ((*ptr == '\\' || *ptr == '/') && (*(ptr+1) == '\\' || *(ptr+1) == '/')) { strcpy(ptr, ptr+1); } //end if else { ptr++; } //end else } //end while //set OS dependent path seperators for (ptr = path; *ptr;) { if (*ptr == '/' || *ptr == '\\') *ptr = PATHSEPERATOR_CHAR; ptr++; } //end while } //end of the function PC_ConvertPath //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_include(source_t *source) { script_t *script; token_t token; char path[MAX_PATH]; #ifdef QUAKE foundfile_t file; #endif //QUAKE if (source->skip > 0) return qtrue; // if (!PC_ReadSourceToken(source, &token)) { SourceError(source, "#include without file name"); return qfalse; } //end if if (token.linescrossed > 0) { SourceError(source, "#include without file name"); return qfalse; } //end if if (token.type == TT_STRING) { StripDoubleQuotes(token.string); PC_ConvertPath(token.string); script = LoadScriptFile(token.string); if (!script) { strcpy(path, source->includepath); strcat(path, token.string); script = LoadScriptFile(path); } //end if } //end if else if (token.type == TT_PUNCTUATION && *token.string == '<') { strcpy(path, source->includepath); while(PC_ReadSourceToken(source, &token)) { if (token.linescrossed > 0) { PC_UnreadSourceToken(source, &token); break; } //end if if (token.type == TT_PUNCTUATION && *token.string == '>') break; strncat(path, token.string, MAX_PATH); } //end while if (*token.string != '>') { SourceWarning(source, "#include missing trailing >"); } //end if if (!strlen(path)) { SourceError(source, "#include without file name between < >"); return qfalse; } //end if PC_ConvertPath(path); script = LoadScriptFile(path); } //end if else { SourceError(source, "#include without file name"); return qfalse; } //end else #ifdef QUAKE if (!script) { Com_Memset(&file, 0, sizeof(foundfile_t)); script = LoadScriptFile(path); if (script) strncpy(script->filename, path, MAX_PATH); } //end if #endif //QUAKE if (!script) { #ifdef SCREWUP SourceWarning(source, "file %s not found", path); return qtrue; #else SourceError(source, "file %s not found", path); return qfalse; #endif //SCREWUP } //end if PC_PushScript(source, script); return qtrue; } //end of the function PC_Directive_include //============================================================================ // reads a token from the current line, continues reading on the next // line only if a backslash '\' is encountered. // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ReadLine(source_t *source, token_t *token) { int crossline; crossline = 0; do { if (!PC_ReadSourceToken(source, token)) return qfalse; if (token->linescrossed > crossline) { PC_UnreadSourceToken(source, token); return qfalse; } //end if crossline = 1; } while(!strcmp(token->string, "\\")); return qtrue; } //end of the function PC_ReadLine //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_WhiteSpaceBeforeToken(token_t *token) { return token->endwhitespace_p - token->whitespace_p > 0; } //end of the function PC_WhiteSpaceBeforeToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_ClearTokenWhiteSpace(token_t *token) { token->whitespace_p = NULL; token->endwhitespace_p = NULL; token->linescrossed = 0; } //end of the function PC_ClearTokenWhiteSpace //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_undef(source_t *source) { token_t token; define_t *define, *lastdefine; int hash; if (source->skip > 0) return qtrue; // if (!PC_ReadLine(source, &token)) { SourceError(source, "undef without name"); return qfalse; } //end if if (token.type != TT_NAME) { PC_UnreadSourceToken(source, &token); SourceError(source, "expected name, found %s", token.string); return qfalse; } //end if #if DEFINEHASHING hash = PC_NameHash(token.string); for (lastdefine = NULL, define = source->definehash[hash]; define; define = define->hashnext) { if (!strcmp(define->name, token.string)) { if (define->flags & DEFINE_FIXED) { SourceWarning(source, "can't undef %s", token.string); } //end if else { if (lastdefine) lastdefine->hashnext = define->hashnext; else source->definehash[hash] = define->hashnext; if ( !(define->flags & DEFINE_GLOBAL ) ) { PC_FreeDefine(define); } } //end else break; } //end if lastdefine = define; } //end for #else //DEFINEHASHING for (lastdefine = NULL, define = source->defines; define; define = define->next) { if (!strcmp(define->name, token.string)) { if (define->flags & DEFINE_FIXED) { SourceWarning(source, "can't undef %s", token.string); } //end if else { if (lastdefine) lastdefine->next = define->next; else source->defines = define->next; PC_FreeDefine(define); } //end else break; } //end if lastdefine = define; } //end for #endif //DEFINEHASHING return qtrue; } //end of the function PC_Directive_undef //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_define(source_t *source) { token_t token, *t, *last; define_t *define; if (source->skip > 0) return qtrue; // if (!PC_ReadLine(source, &token)) { SourceError(source, "#define without name"); return qfalse; } //end if if (token.type != TT_NAME) { PC_UnreadSourceToken(source, &token); SourceError(source, "expected name after #define, found %s", token.string); return qfalse; } //end if //check if the define already exists #if DEFINEHASHING define = PC_FindHashedDefine(source->definehash, token.string); #else define = PC_FindDefine(source->defines, token.string); #endif //DEFINEHASHING if (define) { if (define->flags & DEFINE_FIXED) { SourceError(source, "can't redefine %s", token.string); return qfalse; } //end if SourceWarning(source, "redefinition of %s", token.string); //unread the define name before executing the #undef directive PC_UnreadSourceToken(source, &token); if (!PC_Directive_undef(source)) return qfalse; //if the define was not removed (define->flags & DEFINE_FIXED) #if DEFINEHASHING define = PC_FindHashedDefine(source->definehash, token.string); #else define = PC_FindDefine(source->defines, token.string); #endif //DEFINEHASHING } //end if //allocate define define = (define_t *) GetMemory(sizeof(define_t) + strlen(token.string) + 1); Com_Memset(define, 0, sizeof(define_t)); define->name = (char *) define + sizeof(define_t); strcpy(define->name, token.string); //add the define to the source #if DEFINEHASHING PC_AddDefineToHash(define, source->definehash); #else //DEFINEHASHING define->next = source->defines; source->defines = define; #endif //DEFINEHASHING //if nothing is defined, just return if (!PC_ReadLine(source, &token)) return qtrue; //if it is a define with parameters if (!PC_WhiteSpaceBeforeToken(&token) && !strcmp(token.string, "(")) { //read the define parameters last = NULL; if (!PC_CheckTokenString(source, ")")) { while(1) { if (!PC_ReadLine(source, &token)) { SourceError(source, "expected define parameter"); return qfalse; } //end if //if it isn't a name if (token.type != TT_NAME) { SourceError(source, "invalid define parameter"); return qfalse; } //end if // if (PC_FindDefineParm(define, token.string) >= 0) { SourceError(source, "two the same define parameters"); return qfalse; } //end if //add the define parm t = PC_CopyToken(&token); PC_ClearTokenWhiteSpace(t); t->next = NULL; if (last) last->next = t; else define->parms = t; last = t; define->numparms++; //read next token if (!PC_ReadLine(source, &token)) { SourceError(source, "define parameters not terminated"); return qfalse; } //end if // if (!strcmp(token.string, ")")) break; //then it must be a comma if (strcmp(token.string, ",")) { SourceError(source, "define not terminated"); return qfalse; } //end if } //end while } //end if if (!PC_ReadLine(source, &token)) return qtrue; } //end if //read the defined stuff last = NULL; do { t = PC_CopyToken(&token); if (t->type == TT_NAME && !strcmp(t->string, define->name)) { SourceError(source, "recursive define (removed recursion)"); continue; } //end if PC_ClearTokenWhiteSpace(t); t->next = NULL; if (last) last->next = t; else define->tokens = t; last = t; } while(PC_ReadLine(source, &token)); // if (last) { //check for merge operators at the beginning or end if (!strcmp(define->tokens->string, "##") || !strcmp(last->string, "##")) { SourceError(source, "define with misplaced ##"); return qfalse; } //end if } //end if return qtrue; } //end of the function PC_Directive_define //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ define_t *PC_DefineFromString(char *string) { script_t *script; source_t src; token_t *t; int res, i; define_t *def; PC_InitTokenHeap(); script = LoadScriptMemory(string, strlen(string), "*extern"); //create a new source Com_Memset(&src, 0, sizeof(source_t)); strncpy(src.filename, "*extern", MAX_PATH); src.scriptstack = script; #if DEFINEHASHING src.definehash = (struct define_s **)GetClearedMemory(DEFINEHASHSIZE * sizeof(define_t *)); #endif //DEFINEHASHING //create a define from the source res = PC_Directive_define(&src); //free any tokens if left for (t = src.tokens; t; t = src.tokens) { src.tokens = src.tokens->next; PC_FreeToken(t); } //end for #ifdef DEFINEHASHING def = NULL; for (i = 0; i < DEFINEHASHSIZE; i++) { if (src.definehash[i]) { def = src.definehash[i]; break; } //end if } //end for #else def = src.defines; #endif //DEFINEHASHING // #if DEFINEHASHING FreeMemory(src.definehash); #endif //DEFINEHASHING // FreeScript(script); //if the define was created succesfully if (res > 0) return def; //free the define is created if (src.defines) PC_FreeDefine(def); // return NULL; } //end of the function PC_DefineFromString //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_AddDefine(source_t *source, char *string) { define_t *define; if ( addGlobalDefine ) { return PC_AddGlobalDefine ( string ); } define = PC_DefineFromString(string); if (!define) return qfalse; #if DEFINEHASHING PC_AddDefineToHash(define, source->definehash); #else //DEFINEHASHING define->next = source->defines; source->defines = define; #endif //DEFINEHASHING return qtrue; } //end of the function PC_AddDefine //============================================================================ // add a globals define that will be added to all opened sources // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_AddGlobalDefine(char *string) { #if !DEFINEHASHING define_t *define; define = PC_DefineFromString(string); if (!define) return qfalse; define->next = globaldefines; globaldefines = define; #endif return qtrue; } //end of the function PC_AddGlobalDefine //============================================================================ // remove the given global define // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_RemoveGlobalDefine(char *name) { #if !DEFINEHASHING define_t *define; define = PC_FindDefine(globaldefines, name); if (define) { PC_FreeDefine(define); return qtrue; } //end if #endif return qfalse; } //end of the function PC_RemoveGlobalDefine //============================================================================ // remove all globals defines // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_RemoveAllGlobalDefines(void) { define_t *define; #if DEFINEHASHING int i; if ( globaldefines ) { for (i = 0; i < DEFINEHASHSIZE; i++) { while(globaldefines[i]) { define = globaldefines[i]; globaldefines[i] = globaldefines[i]->globalnext; PC_FreeDefine(define); } } } #else //DEFINEHASHING for (define = globaldefines; define; define = globaldefines) { globaldefines = globaldefines->next; PC_FreeDefine(define); } //end for #endif } //end of the function PC_RemoveAllGlobalDefines //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ define_t *PC_CopyDefine(source_t *source, define_t *define) { define_t *newdefine; token_t *token, *newtoken, *lasttoken; newdefine = (define_t *) GetMemory(sizeof(define_t) + strlen(define->name) + 1); //copy the define name newdefine->name = (char *) newdefine + sizeof(define_t); strcpy(newdefine->name, define->name); newdefine->flags = define->flags; newdefine->builtin = define->builtin; newdefine->numparms = define->numparms; //the define is not linked newdefine->next = NULL; newdefine->hashnext = NULL; //copy the define tokens newdefine->tokens = NULL; for (lasttoken = NULL, token = define->tokens; token; token = token->next) { newtoken = PC_CopyToken(token); newtoken->next = NULL; if (lasttoken) lasttoken->next = newtoken; else newdefine->tokens = newtoken; lasttoken = newtoken; } //end for //copy the define parameters newdefine->parms = NULL; for (lasttoken = NULL, token = define->parms; token; token = token->next) { newtoken = PC_CopyToken(token); newtoken->next = NULL; if (lasttoken) lasttoken->next = newtoken; else newdefine->parms = newtoken; lasttoken = newtoken; } //end for return newdefine; } //end of the function PC_CopyDefine //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_AddGlobalDefinesToSource(source_t *source) { define_t *define; #if DEFINEHASHING int i; for (i = 0; i < DEFINEHASHSIZE; i++) { define = globaldefines[i]; while(define) { define->hashnext = NULL; PC_AddDefineToHash(define, source->definehash); define = define->globalnext; } } #else //DEFINEHASHING define_t* newdefine; for (define = globaldefines; define; define = define->next) { newdefine = PC_CopyDefine(source, define); newdefine->next = source->defines; source->defines = newdefine; } #endif } //end of the function PC_AddGlobalDefinesToSource //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_if_def(source_t *source, int type) { token_t token; define_t *d; int skip; if (!PC_ReadLine(source, &token)) { SourceError(source, "#ifdef without name"); return qfalse; } //end if if (token.type != TT_NAME) { PC_UnreadSourceToken(source, &token); SourceError(source, "expected name after #ifdef, found %s", token.string); return qfalse; } //end if #if DEFINEHASHING d = PC_FindHashedDefine(source->definehash, token.string); #else d = PC_FindDefine(source->defines, token.string); #endif //DEFINEHASHING skip = (type == INDENT_IFDEF) == (d == NULL); PC_PushIndent(source, type, skip); return qtrue; } //end of the function PC_Directiveif_def //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_ifdef(source_t *source) { return PC_Directive_if_def(source, INDENT_IFDEF); } //end of the function PC_Directive_ifdef //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_ifndef(source_t *source) { return PC_Directive_if_def(source, INDENT_IFNDEF); } //end of the function PC_Directive_ifndef //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_else(source_t *source) { int type, skip; PC_PopIndent(source, &type, &skip); if (!type) { SourceError(source, "misplaced #else"); return qfalse; } //end if if (type == INDENT_ELSE) { SourceError(source, "#else after #else"); return qfalse; } //end if PC_PushIndent(source, INDENT_ELSE, !skip); return qtrue; } //end of the function PC_Directive_else //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_endif(source_t *source) { int type, skip; PC_PopIndent(source, &type, &skip); if (!type) { SourceError(source, "misplaced #endif"); return qfalse; } //end if return qtrue; } //end of the function PC_Directive_endif //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ typedef struct operator_s { int mOperator; int priority; int parentheses; struct operator_s *prev, *next; } operator_t; typedef struct value_s { signed long int intvalue; double floatvalue; int parentheses; struct value_s *prev, *next; } value_t; int PC_OperatorPriority(int op) { switch(op) { case P_MUL: return 15; case P_DIV: return 15; case P_MOD: return 15; case P_ADD: return 14; case P_SUB: return 14; case P_LOGIC_AND: return 7; case P_LOGIC_OR: return 6; case P_LOGIC_GEQ: return 12; case P_LOGIC_LEQ: return 12; case P_LOGIC_EQ: return 11; case P_LOGIC_UNEQ: return 11; case P_LOGIC_NOT: return 16; case P_LOGIC_GREATER: return 12; case P_LOGIC_LESS: return 12; case P_RSHIFT: return 13; case P_LSHIFT: return 13; case P_BIN_AND: return 10; case P_BIN_OR: return 8; case P_BIN_XOR: return 9; case P_BIN_NOT: return 16; case P_COLON: return 5; case P_QUESTIONMARK: return 5; } //end switch return qfalse; } //end of the function PC_OperatorPriority //#define AllocValue() GetClearedMemory(sizeof(value_t)); //#define FreeValue(val) FreeMemory(val) //#define AllocOperator(op) op = (operator_t *) GetClearedMemory(sizeof(operator_t)); //#define FreeOperator(op) FreeMemory(op); #define MAX_VALUES 64 #define MAX_OPERATORS 64 #define AllocValue(val) \ if (numvalues >= MAX_VALUES) { \ SourceError(source, "out of value space\n"); \ error = 1; \ break; \ } \ else \ val = &value_heap[numvalues++]; #define FreeValue(val) // #define AllocOperator(op) \ if (numoperators >= MAX_OPERATORS) { \ SourceError(source, "out of operator space\n"); \ error = 1; \ break; \ } \ else \ op = &operator_heap[numoperators++]; #define FreeOperator(op) int PC_EvaluateTokens(source_t *source, token_t *tokens, signed long int *intvalue, double *floatvalue, int integer) { operator_t *o, *firstoperator, *lastoperator; value_t *v, *firstvalue, *lastvalue, *v1, *v2; token_t *t; int brace = 0; int parentheses = 0; int error = 0; int lastwasvalue = 0; int negativevalue = 0; int questmarkintvalue = 0; double questmarkfloatvalue = 0; int gotquestmarkvalue = qfalse; int lastoperatortype = 0; // operator_t operator_heap[MAX_OPERATORS]; int numoperators = 0; value_t value_heap[MAX_VALUES]; int numvalues = 0; firstoperator = lastoperator = NULL; firstvalue = lastvalue = NULL; if (intvalue) *intvalue = 0; if (floatvalue) *floatvalue = 0; for (t = tokens; t; t = t->next) { switch(t->type) { case TT_NAME: { if (lastwasvalue || negativevalue) { SourceError(source, "syntax error in #if/#elif"); error = 1; break; } //end if if (strcmp(t->string, "defined")) { SourceError(source, "undefined name %s in #if/#elif", t->string); error = 1; break; } //end if t = t->next; if (!strcmp(t->string, "(")) { brace = qtrue; t = t->next; } //end if if (!t || t->type != TT_NAME) { SourceError(source, "defined without name in #if/#elif"); error = 1; break; } //end if //v = (value_t *) GetClearedMemory(sizeof(value_t)); AllocValue(v); #if DEFINEHASHING if (PC_FindHashedDefine(source->definehash, t->string)) #else if (PC_FindDefine(source->defines, t->string)) #endif //DEFINEHASHING { v->intvalue = 1; v->floatvalue = 1; } //end if else { v->intvalue = 0; v->floatvalue = 0; } //end else v->parentheses = parentheses; v->next = NULL; v->prev = lastvalue; if (lastvalue) lastvalue->next = v; else firstvalue = v; lastvalue = v; if (brace) { t = t->next; if (!t || strcmp(t->string, ")")) { SourceError(source, "defined without ) in #if/#elif"); error = 1; break; } //end if } //end if brace = qfalse; // defined() creates a value lastwasvalue = 1; break; } //end case case TT_NUMBER: { if (lastwasvalue) { SourceError(source, "syntax error in #if/#elif"); error = 1; break; } //end if //v = (value_t *) GetClearedMemory(sizeof(value_t)); AllocValue(v); if (negativevalue) { v->intvalue = - (signed int) t->intvalue; v->floatvalue = - t->floatvalue; } //end if else { v->intvalue = t->intvalue; v->floatvalue = t->floatvalue; } //end else v->parentheses = parentheses; v->next = NULL; v->prev = lastvalue; if (lastvalue) lastvalue->next = v; else firstvalue = v; lastvalue = v; //last token was a value lastwasvalue = 1; // negativevalue = 0; break; } //end case case TT_PUNCTUATION: { if (negativevalue) { SourceError(source, "misplaced minus sign in #if/#elif"); error = 1; break; } //end if if (t->subtype == P_PARENTHESESOPEN) { parentheses++; break; } //end if else if (t->subtype == P_PARENTHESESCLOSE) { parentheses--; if (parentheses < 0) { SourceError(source, "too many ) in #if/#elsif"); error = 1; } //end if break; } //end else if //check for invalid operators on floating point values if (!integer) { if (t->subtype == P_BIN_NOT || t->subtype == P_MOD || t->subtype == P_RSHIFT || t->subtype == P_LSHIFT || t->subtype == P_BIN_AND || t->subtype == P_BIN_OR || t->subtype == P_BIN_XOR) { SourceError(source, "illigal operator %s on floating point operands\n", t->string); error = 1; break; } //end if } //end if switch(t->subtype) { case P_LOGIC_NOT: case P_BIN_NOT: { if (lastwasvalue) { SourceError(source, "! or ~ after value in #if/#elif"); error = 1; break; } //end if break; } //end case case P_INC: case P_DEC: { SourceError(source, "++ or -- used in #if/#elif"); break; } //end case case P_SUB: { if (!lastwasvalue) { negativevalue = 1; break; } //end if } //end case case P_MUL: case P_DIV: case P_MOD: case P_ADD: case P_LOGIC_AND: case P_LOGIC_OR: case P_LOGIC_GEQ: case P_LOGIC_LEQ: case P_LOGIC_EQ: case P_LOGIC_UNEQ: case P_LOGIC_GREATER: case P_LOGIC_LESS: case P_RSHIFT: case P_LSHIFT: case P_BIN_AND: case P_BIN_OR: case P_BIN_XOR: case P_COLON: case P_QUESTIONMARK: { if (!lastwasvalue) { SourceError(source, "operator %s after operator in #if/#elif", t->string); error = 1; break; } //end if break; } //end case default: { SourceError(source, "invalid operator %s in #if/#elif", t->string); error = 1; break; } //end default } //end switch if (!error && !negativevalue) { //o = (operator_t *) GetClearedMemory(sizeof(operator_t)); AllocOperator(o); o->mOperator = t->subtype; o->priority = PC_OperatorPriority(t->subtype); o->parentheses = parentheses; o->next = NULL; o->prev = lastoperator; if (lastoperator) lastoperator->next = o; else firstoperator = o; lastoperator = o; lastwasvalue = 0; } //end if break; } //end case default: { SourceError(source, "unknown %s in #if/#elif", t->string); error = 1; break; } //end default } //end switch if (error) break; } //end for if (!error) { if (!lastwasvalue) { SourceError(source, "trailing operator in #if/#elif"); error = 1; } //end if else if (parentheses) { SourceError(source, "too many ( in #if/#elif"); error = 1; } //end else if } //end if // gotquestmarkvalue = qfalse; questmarkintvalue = 0; questmarkfloatvalue = 0; //while there are operators while(!error && firstoperator) { v = firstvalue; for (o = firstoperator; o->next; o = o->next) { //if the current operator is nested deeper in parentheses //than the next operator if (o->parentheses > o->next->parentheses) break; //if the current and next operator are nested equally deep in parentheses if (o->parentheses == o->next->parentheses) { //if the priority of the current operator is equal or higher //than the priority of the next operator if (o->priority >= o->next->priority) break; } //end if //if the arity of the operator isn't equal to 1 if (o->mOperator != P_LOGIC_NOT && o->mOperator != P_BIN_NOT) v = v->next; //if there's no value or no next value if (!v) { SourceError(source, "mising values in #if/#elif"); error = 1; break; } //end if } //end for if (error) break; v1 = v; v2 = v->next; #ifdef DEBUG_EVAL if (integer) { Log_Write("operator %s, value1 = %d", PunctuationFromNum(source->scriptstack, o->mOperator), v1->intvalue); if (v2) Log_Write("value2 = %d", v2->intvalue); } //end if else { Log_Write("operator %s, value1 = %f", PunctuationFromNum(source->scriptstack, o->mOperator), v1->floatvalue); if (v2) Log_Write("value2 = %f", v2->floatvalue); } //end else #endif //DEBUG_EVAL switch(o->mOperator) { case P_LOGIC_NOT: v1->intvalue = !v1->intvalue; v1->floatvalue = !v1->floatvalue; break; case P_BIN_NOT: v1->intvalue = ~v1->intvalue; break; case P_MUL: v1->intvalue *= v2->intvalue; v1->floatvalue *= v2->floatvalue; break; case P_DIV: if (!v2->intvalue || !v2->floatvalue) { SourceError(source, "divide by zero in #if/#elif\n"); error = 1; break; } v1->intvalue /= v2->intvalue; v1->floatvalue /= v2->floatvalue; break; case P_MOD: if (!v2->intvalue) { SourceError(source, "divide by zero in #if/#elif\n"); error = 1; break; } v1->intvalue %= v2->intvalue; break; case P_ADD: v1->intvalue += v2->intvalue; v1->floatvalue += v2->floatvalue; break; case P_SUB: v1->intvalue -= v2->intvalue; v1->floatvalue -= v2->floatvalue; break; case P_LOGIC_AND: v1->intvalue = v1->intvalue && v2->intvalue; v1->floatvalue = v1->floatvalue && v2->floatvalue; break; case P_LOGIC_OR: v1->intvalue = v1->intvalue || v2->intvalue; v1->floatvalue = v1->floatvalue || v2->floatvalue; break; case P_LOGIC_GEQ: v1->intvalue = v1->intvalue >= v2->intvalue; v1->floatvalue = v1->floatvalue >= v2->floatvalue; break; case P_LOGIC_LEQ: v1->intvalue = v1->intvalue <= v2->intvalue; v1->floatvalue = v1->floatvalue <= v2->floatvalue; break; case P_LOGIC_EQ: v1->intvalue = v1->intvalue == v2->intvalue; v1->floatvalue = v1->floatvalue == v2->floatvalue; break; case P_LOGIC_UNEQ: v1->intvalue = v1->intvalue != v2->intvalue; v1->floatvalue = v1->floatvalue != v2->floatvalue; break; case P_LOGIC_GREATER: v1->intvalue = v1->intvalue > v2->intvalue; v1->floatvalue = v1->floatvalue > v2->floatvalue; break; case P_LOGIC_LESS: v1->intvalue = v1->intvalue < v2->intvalue; v1->floatvalue = v1->floatvalue < v2->floatvalue; break; case P_RSHIFT: v1->intvalue >>= v2->intvalue; break; case P_LSHIFT: v1->intvalue <<= v2->intvalue; break; case P_BIN_AND: v1->intvalue &= v2->intvalue; break; case P_BIN_OR: v1->intvalue |= v2->intvalue; break; case P_BIN_XOR: v1->intvalue ^= v2->intvalue; break; case P_COLON: { if (!gotquestmarkvalue) { SourceError(source, ": without ? in #if/#elif"); error = 1; break; } //end if if (integer) { if (!questmarkintvalue) v1->intvalue = v2->intvalue; } //end if else { if (!questmarkfloatvalue) v1->floatvalue = v2->floatvalue; } //end else gotquestmarkvalue = qfalse; break; } //end case case P_QUESTIONMARK: { if (gotquestmarkvalue) { SourceError(source, "? after ? in #if/#elif"); error = 1; break; } //end if questmarkintvalue = v1->intvalue; questmarkfloatvalue = v1->floatvalue; gotquestmarkvalue = qtrue; break; } //end if } //end switch #ifdef DEBUG_EVAL if (integer) Log_Write("result value = %d", v1->intvalue); else Log_Write("result value = %f", v1->floatvalue); #endif //DEBUG_EVAL if (error) break; lastoperatortype = o->mOperator; //if not an operator with arity 1 if (o->mOperator != P_LOGIC_NOT && o->mOperator != P_BIN_NOT) { //remove the second value if not question mark operator if (o->mOperator != P_QUESTIONMARK) v = v->next; // if (v->prev) v->prev->next = v->next; else firstvalue = v->next; if (v->next) v->next->prev = v->prev; else lastvalue = v->prev; //FreeMemory(v); FreeValue(v); } //end if //remove the operator if (o->prev) o->prev->next = o->next; else firstoperator = o->next; if (o->next) o->next->prev = o->prev; else lastoperator = o->prev; //FreeMemory(o); FreeOperator(o); } //end while if (firstvalue) { if (intvalue) *intvalue = firstvalue->intvalue; if (floatvalue) *floatvalue = firstvalue->floatvalue; } //end if for (o = firstoperator; o; o = lastoperator) { lastoperator = o->next; //FreeMemory(o); FreeOperator(o); } //end for for (v = firstvalue; v; v = lastvalue) { lastvalue = v->next; //FreeMemory(v); FreeValue(v); } //end for if (!error) return qtrue; if (intvalue) *intvalue = 0; if (floatvalue) *floatvalue = 0; return qfalse; } //end of the function PC_EvaluateTokens //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Evaluate(source_t *source, signed long int *intvalue, double *floatvalue, int integer) { token_t token, *firsttoken, *lasttoken; token_t *t, *nexttoken; define_t *define; int defined = qfalse; if (intvalue) *intvalue = 0; if (floatvalue) *floatvalue = 0; // if (!PC_ReadLine(source, &token)) { SourceError(source, "no value after #if/#elif"); return qfalse; } //end if firsttoken = NULL; lasttoken = NULL; do { //if the token is a name if (token.type == TT_NAME) { if (defined) { defined = qfalse; t = PC_CopyToken(&token); t->next = NULL; if (lasttoken) lasttoken->next = t; else firsttoken = t; lasttoken = t; } //end if else if (!strcmp(token.string, "defined")) { defined = qtrue; t = PC_CopyToken(&token); t->next = NULL; if (lasttoken) lasttoken->next = t; else firsttoken = t; lasttoken = t; } //end if else { //then it must be a define #if DEFINEHASHING define = PC_FindHashedDefine(source->definehash, token.string); #else define = PC_FindDefine(source->defines, token.string); #endif //DEFINEHASHING if (!define) { SourceError(source, "can't evaluate %s, not defined", token.string); return qfalse; } //end if if (!PC_ExpandDefineIntoSource(source, &token, define)) return qfalse; } //end else } //end if //if the token is a number or a punctuation else if (token.type == TT_NUMBER || token.type == TT_PUNCTUATION) { t = PC_CopyToken(&token); t->next = NULL; if (lasttoken) lasttoken->next = t; else firsttoken = t; lasttoken = t; } //end else else //can't evaluate the token { SourceError(source, "can't evaluate %s", token.string); return qfalse; } //end else } while(PC_ReadLine(source, &token)); // if (!PC_EvaluateTokens(source, firsttoken, intvalue, floatvalue, integer)) return qfalse; // #ifdef DEBUG_EVAL Log_Write("eval:"); #endif //DEBUG_EVAL for (t = firsttoken; t; t = nexttoken) { #ifdef DEBUG_EVAL Log_Write(" %s", t->string); #endif //DEBUG_EVAL nexttoken = t->next; PC_FreeToken(t); } //end for #ifdef DEBUG_EVAL if (integer) Log_Write("eval result: %d", *intvalue); else Log_Write("eval result: %f", *floatvalue); #endif //DEBUG_EVAL // return qtrue; } //end of the function PC_Evaluate //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_DollarEvaluate(source_t *source, signed long int *intvalue, double *floatvalue, int integer) { int indent, defined = qfalse; token_t token, *firsttoken, *lasttoken; token_t *t, *nexttoken; define_t *define; if (intvalue) *intvalue = 0; if (floatvalue) *floatvalue = 0; // if (!PC_ReadSourceToken(source, &token)) { SourceError(source, "no leading ( after $evalint/$evalfloat"); return qfalse; } //end if if (!PC_ReadSourceToken(source, &token)) { SourceError(source, "nothing to evaluate"); return qfalse; } //end if indent = 1; firsttoken = NULL; lasttoken = NULL; do { //if the token is a name if (token.type == TT_NAME) { if (defined) { defined = qfalse; t = PC_CopyToken(&token); t->next = NULL; if (lasttoken) lasttoken->next = t; else firsttoken = t; lasttoken = t; } //end if else if (!strcmp(token.string, "defined")) { defined = qtrue; t = PC_CopyToken(&token); t->next = NULL; if (lasttoken) lasttoken->next = t; else firsttoken = t; lasttoken = t; } //end if else { //then it must be a define #if DEFINEHASHING define = PC_FindHashedDefine(source->definehash, token.string); #else define = PC_FindDefine(source->defines, token.string); #endif //DEFINEHASHING if (!define) { SourceError(source, "can't evaluate %s, not defined", token.string); return qfalse; } //end if if (!PC_ExpandDefineIntoSource(source, &token, define)) return qfalse; } //end else } //end if //if the token is a number or a punctuation else if (token.type == TT_NUMBER || token.type == TT_PUNCTUATION) { if (*token.string == '(') indent++; else if (*token.string == ')') indent--; if (indent <= 0) break; t = PC_CopyToken(&token); t->next = NULL; if (lasttoken) lasttoken->next = t; else firsttoken = t; lasttoken = t; } //end else else //can't evaluate the token { SourceError(source, "can't evaluate %s", token.string); return qfalse; } //end else } while(PC_ReadSourceToken(source, &token)); // if (!PC_EvaluateTokens(source, firsttoken, intvalue, floatvalue, integer)) return qfalse; // #ifdef DEBUG_EVAL Log_Write("$eval:"); #endif //DEBUG_EVAL for (t = firsttoken; t; t = nexttoken) { #ifdef DEBUG_EVAL Log_Write(" %s", t->string); #endif //DEBUG_EVAL nexttoken = t->next; PC_FreeToken(t); } //end for #ifdef DEBUG_EVAL if (integer) Log_Write("$eval result: %d", *intvalue); else Log_Write("$eval result: %f", *floatvalue); #endif //DEBUG_EVAL // return qtrue; } //end of the function PC_DollarEvaluate //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_elif(source_t *source) { signed long int value; int type, skip; PC_PopIndent(source, &type, &skip); if (!type || type == INDENT_ELSE) { SourceError(source, "misplaced #elif"); return qfalse; } //end if if (!PC_Evaluate(source, &value, NULL, qtrue)) return qfalse; skip = (value == 0); PC_PushIndent(source, INDENT_ELIF, skip); return qtrue; } //end of the function PC_Directive_elif //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_if(source_t *source) { signed long int value; int skip; if (!PC_Evaluate(source, &value, NULL, qtrue)) return qfalse; skip = (value == 0); PC_PushIndent(source, INDENT_IF, skip); return qtrue; } //end of the function PC_Directive //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_line(source_t *source) { SourceError(source, "#line directive not supported"); return qfalse; } //end of the function PC_Directive_line //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_error(source_t *source) { token_t token; strcpy(token.string, ""); PC_ReadSourceToken(source, &token); SourceError(source, "#error directive: %s", token.string); return qfalse; } //end of the function PC_Directive_error //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_pragma(source_t *source) { token_t token; SourceWarning(source, "#pragma directive not supported"); while(PC_ReadLine(source, &token)) ; return qtrue; } //end of the function PC_Directive_pragma //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void UnreadSignToken(source_t *source) { token_t token; token.line = source->scriptstack->line; token.whitespace_p = source->scriptstack->script_p; token.endwhitespace_p = source->scriptstack->script_p; token.linescrossed = 0; strcpy(token.string, "-"); token.type = TT_PUNCTUATION; token.subtype = P_SUB; PC_UnreadSourceToken(source, &token); } //end of the function UnreadSignToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_eval(source_t *source) { signed long int value; token_t token; if (!PC_Evaluate(source, &value, NULL, qtrue)) return qfalse; // token.line = source->scriptstack->line; token.whitespace_p = source->scriptstack->script_p; token.endwhitespace_p = source->scriptstack->script_p; token.linescrossed = 0; sprintf(token.string, "%d", abs(value)); token.type = TT_NUMBER; token.subtype = TT_INTEGER|TT_LONG|TT_DECIMAL; PC_UnreadSourceToken(source, &token); if (value < 0) UnreadSignToken(source); return qtrue; } //end of the function PC_Directive_eval //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_Directive_evalfloat(source_t *source) { double value; token_t token; if (!PC_Evaluate(source, NULL, &value, qfalse)) return qfalse; token.line = source->scriptstack->line; token.whitespace_p = source->scriptstack->script_p; token.endwhitespace_p = source->scriptstack->script_p; token.linescrossed = 0; sprintf(token.string, "%1.2f", fabs(value)); token.type = TT_NUMBER; token.subtype = TT_FLOAT|TT_LONG|TT_DECIMAL; PC_UnreadSourceToken(source, &token); if (value < 0) UnreadSignToken(source); return qtrue; } //end of the function PC_Directive_evalfloat //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ directive_t directives[20] = { {"if", PC_Directive_if}, {"ifdef", PC_Directive_ifdef}, {"ifndef", PC_Directive_ifndef}, {"elif", PC_Directive_elif}, {"else", PC_Directive_else}, {"endif", PC_Directive_endif}, {"include", PC_Directive_include}, {"define", PC_Directive_define}, {"undef", PC_Directive_undef}, {"line", PC_Directive_line}, {"error", PC_Directive_error}, {"pragma", PC_Directive_pragma}, {"eval", PC_Directive_eval}, {"evalfloat", PC_Directive_evalfloat}, {NULL, NULL} }; int PC_ReadDirective(source_t *source) { token_t token; int i; //read the directive name if (!PC_ReadSourceToken(source, &token)) { SourceError(source, "found # without name"); return qfalse; } //end if //directive name must be on the same line if (token.linescrossed > 0) { PC_UnreadSourceToken(source, &token); SourceError(source, "found # at end of line"); return qfalse; } //end if //if if is a name if (token.type == TT_NAME) { //find the precompiler directive for (i = 0; directives[i].name; i++) { if (!strcmp(directives[i].name, token.string)) { return directives[i].func(source); } //end if } //end for } //end if SourceError(source, "unknown precompiler directive %s", token.string); return qfalse; } //end of the function PC_ReadDirective //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_DollarDirective_evalint(source_t *source) { signed long int value; token_t token; if (!PC_DollarEvaluate(source, &value, NULL, qtrue)) return qfalse; // token.line = source->scriptstack->line; token.whitespace_p = source->scriptstack->script_p; token.endwhitespace_p = source->scriptstack->script_p; token.linescrossed = 0; sprintf(token.string, "%d", abs(value)); token.type = TT_NUMBER; token.subtype = TT_INTEGER|TT_LONG|TT_DECIMAL; #ifdef NUMBERVALUE token.intvalue = value; token.floatvalue = value; #endif //NUMBERVALUE PC_UnreadSourceToken(source, &token); if (value < 0) UnreadSignToken(source); return qtrue; } //end of the function PC_DollarDirective_evalint //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_DollarDirective_evalfloat(source_t *source) { double value; token_t token; if (!PC_DollarEvaluate(source, NULL, &value, qfalse)) return qfalse; token.line = source->scriptstack->line; token.whitespace_p = source->scriptstack->script_p; token.endwhitespace_p = source->scriptstack->script_p; token.linescrossed = 0; sprintf(token.string, "%1.2f", fabs(value)); token.type = TT_NUMBER; token.subtype = TT_FLOAT|TT_LONG|TT_DECIMAL; #ifdef NUMBERVALUE token.intvalue = (unsigned long) value; token.floatvalue = value; #endif //NUMBERVALUE PC_UnreadSourceToken(source, &token); if (value < 0) UnreadSignToken(source); return qtrue; } //end of the function PC_DollarDirective_evalfloat //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ directive_t dollardirectives[20] = { {"evalint", PC_DollarDirective_evalint}, {"evalfloat", PC_DollarDirective_evalfloat}, {NULL, NULL} }; int PC_ReadDollarDirective(source_t *source) { token_t token; int i; //read the directive name if (!PC_ReadSourceToken(source, &token)) { SourceError(source, "found $ without name"); return qfalse; } //end if //directive name must be on the same line if (token.linescrossed > 0) { PC_UnreadSourceToken(source, &token); SourceError(source, "found $ at end of line"); return qfalse; } //end if //if if is a name if (token.type == TT_NAME) { //find the precompiler directive for (i = 0; dollardirectives[i].name; i++) { if (!strcmp(dollardirectives[i].name, token.string)) { return dollardirectives[i].func(source); } //end if } //end for } //end if PC_UnreadSourceToken(source, &token); SourceError(source, "unknown precompiler directive %s", token.string); return qfalse; } //end of the function PC_ReadDirective #ifdef QUAKEC //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int BuiltinFunction(source_t *source) { token_t token; if (!PC_ReadSourceToken(source, &token)) return qfalse; if (token.type == TT_NUMBER) { PC_UnreadSourceToken(source, &token); return qtrue; } //end if else { PC_UnreadSourceToken(source, &token); return qfalse; } //end else } //end of the function BuiltinFunction //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int QuakeCMacro(source_t *source) { int i; token_t token; if (!PC_ReadSourceToken(source, &token)) return qtrue; if (token.type != TT_NAME) { PC_UnreadSourceToken(source, &token); return qtrue; } //end if //find the precompiler directive for (i = 0; dollardirectives[i].name; i++) { if (!strcmp(dollardirectives[i].name, token.string)) { PC_UnreadSourceToken(source, &token); return qfalse; } //end if } //end for PC_UnreadSourceToken(source, &token); return qtrue; } //end of the function QuakeCMacro #endif //QUAKEC //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ReadToken(source_t *source, token_t *token) { define_t *define; while(1) { if (!PC_ReadSourceToken(source, token)) return qfalse; //check for precompiler directives if (token->type == TT_PUNCTUATION && *token->string == '@') // It is a StringEd key { char *holdString,holdString2[MAX_TOKEN]; PC_ReadSourceToken(source, token); holdString = &token->string[1]; Com_Memcpy( holdString2, token->string, sizeof(token->string)); Com_Memcpy( holdString, holdString2, sizeof(token->string)); token->string[0] = '@'; return qtrue; } if (token->type == TT_PUNCTUATION && *token->string == '#') { #ifdef QUAKEC if (!BuiltinFunction(source)) #endif //QUAKC { //read the precompiler directive if (!PC_ReadDirective(source)) return qfalse; continue; } //end if } //end if if (token->type == TT_PUNCTUATION && *token->string == '$') { #ifdef QUAKEC if (!QuakeCMacro(source)) #endif //QUAKEC { //read the precompiler directive if (!PC_ReadDollarDirective(source)) return qfalse; continue; } //end if } //end if // recursively concatenate strings that are behind each other still resolving defines if (token->type == TT_STRING) { token_t newtoken; if (PC_ReadToken(source, &newtoken)) { if (newtoken.type == TT_STRING) { token->string[strlen(token->string)-1] = '\0'; if (strlen(token->string) + strlen(newtoken.string+1) + 1 >= MAX_TOKEN) { SourceError(source, "string longer than MAX_TOKEN %d\n", MAX_TOKEN); return qfalse; } strcat(token->string, newtoken.string+1); } else { PC_UnreadToken(source, &newtoken); } } } //end if //if skipping source because of conditional compilation if (source->skip) continue; //if the token is a name if (token->type == TT_NAME) { //check if the name is a define macro #if DEFINEHASHING define = PC_FindHashedDefine(source->definehash, token->string); #else define = PC_FindDefine(source->defines, token->string); #endif //DEFINEHASHING //if it is a define macro if (define) { //expand the defined macro if (!PC_ExpandDefineIntoSource(source, token, define)) return qfalse; continue; } //end if } //end if //copy token for unreading Com_Memcpy(&source->token, token, sizeof(token_t)); //found a token return qtrue; } //end while } //end of the function PC_ReadToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ExpectTokenString(source_t *source, char *string) { token_t token; if (!PC_ReadToken(source, &token)) { SourceError(source, "couldn't find expected %s", string); return qfalse; } //end if if (strcmp(token.string, string)) { SourceError(source, "expected %s, found %s", string, token.string); return qfalse; } //end if return qtrue; } //end of the function PC_ExpectTokenString //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ExpectTokenType(source_t *source, int type, int subtype, token_t *token) { char str[MAX_TOKEN]; if (!PC_ReadToken(source, token)) { SourceError(source, "couldn't read expected token"); return qfalse; } //end if if (token->type != type) { strcpy(str, ""); if (type == TT_STRING) strcpy(str, "string"); if (type == TT_LITERAL) strcpy(str, "literal"); if (type == TT_NUMBER) strcpy(str, "number"); if (type == TT_NAME) strcpy(str, "name"); if (type == TT_PUNCTUATION) strcpy(str, "punctuation"); SourceError(source, "expected a %s, found %s", str, token->string); return qfalse; } //end if if (token->type == TT_NUMBER) { if ((token->subtype & subtype) != subtype) { if (subtype & TT_DECIMAL) strcpy(str, "decimal"); if (subtype & TT_HEX) strcpy(str, "hex"); if (subtype & TT_OCTAL) strcpy(str, "octal"); if (subtype & TT_BINARY) strcpy(str, "binary"); if (subtype & TT_LONG) strcat(str, " long"); if (subtype & TT_UNSIGNED) strcat(str, " unsigned"); if (subtype & TT_FLOAT) strcat(str, " float"); if (subtype & TT_INTEGER) strcat(str, " integer"); SourceError(source, "expected %s, found %s", str, token->string); return qfalse; } //end if } //end if else if (token->type == TT_PUNCTUATION) { if (token->subtype != subtype) { SourceError(source, "found %s", token->string); return qfalse; } //end if } //end else if return qtrue; } //end of the function PC_ExpectTokenType //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ExpectAnyToken(source_t *source, token_t *token) { if (!PC_ReadToken(source, token)) { SourceError(source, "couldn't read expected token"); return qfalse; } //end if else { return qtrue; } //end else } //end of the function PC_ExpectAnyToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_CheckTokenString(source_t *source, char *string) { token_t tok; if (!PC_ReadToken(source, &tok)) return qfalse; //if the token is available if (!strcmp(tok.string, string)) return qtrue; // PC_UnreadSourceToken(source, &tok); return qfalse; } //end of the function PC_CheckTokenString //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_CheckTokenType(source_t *source, int type, int subtype, token_t *token) { token_t tok; if (!PC_ReadToken(source, &tok)) return qfalse; //if the type matches if (tok.type == type && (tok.subtype & subtype) == subtype) { Com_Memcpy(token, &tok, sizeof(token_t)); return qtrue; } //end if // PC_UnreadSourceToken(source, &tok); return qfalse; } //end of the function PC_CheckTokenType //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_SkipUntilString(source_t *source, char *string) { token_t token; while(PC_ReadToken(source, &token)) { if (!strcmp(token.string, string)) return qtrue; } //end while return qfalse; } //end of the function PC_SkipUntilString //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_UnreadLastToken(source_t *source) { PC_UnreadSourceToken(source, &source->token); } //end of the function PC_UnreadLastToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_UnreadToken(source_t *source, token_t *token) { PC_UnreadSourceToken(source, token); } //end of the function PC_UnreadToken //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_SetIncludePath(source_t *source, char *path) { strncpy(source->includepath, path, MAX_PATH); //add trailing path seperator if (source->includepath[strlen(source->includepath)-1] != '\\' && source->includepath[strlen(source->includepath)-1] != '/') { strcat(source->includepath, PATHSEPERATOR_STR); } //end if } //end of the function PC_SetIncludePath //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_SetPunctuations(source_t *source, punctuation_t *p) { source->punctuations = p; } //end of the function PC_SetPunctuations //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ source_t *LoadSourceFile(const char *filename) { source_t *source; script_t *script; PC_InitTokenHeap(); #if DEFINEHASHING if ( !globaldefines ) { globaldefines = (struct define_s **)GetClearedMemory(DEFINEHASHSIZE * sizeof(define_t *)); } #endif script = LoadScriptFile(filename); if (!script) return NULL; script->next = NULL; source = (source_t *) GetMemory(sizeof(source_t)); Com_Memset(source, 0, sizeof(source_t)); strncpy(source->filename, filename, MAX_PATH); source->scriptstack = script; source->tokens = NULL; source->defines = NULL; source->indentstack = NULL; source->skip = 0; #if DEFINEHASHING source->definehash = (struct define_s **)GetClearedMemory(DEFINEHASHSIZE * sizeof(define_t *)); #endif //DEFINEHASHING PC_AddGlobalDefinesToSource(source); return source; } //end of the function LoadSourceFile //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ source_t *LoadSourceMemory(char *ptr, int length, char *name) { source_t *source; script_t *script; PC_InitTokenHeap(); script = LoadScriptMemory(ptr, length, name); if (!script) return NULL; script->next = NULL; source = (source_t *) GetMemory(sizeof(source_t)); Com_Memset(source, 0, sizeof(source_t)); strncpy(source->filename, name, MAX_PATH); source->scriptstack = script; source->tokens = NULL; source->defines = NULL; source->indentstack = NULL; source->skip = 0; #if DEFINEHASHING source->definehash = (struct define_s **)GetClearedMemory(DEFINEHASHSIZE * sizeof(define_t *)); #endif //DEFINEHASHING PC_AddGlobalDefinesToSource(source); return source; } //end of the function LoadSourceMemory //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void FreeSource(source_t *source) { script_t *script; token_t *token; define_t *define; indent_t *indent; define_t *nextdefine; int i; //PC_PrintDefineHashTable(source->definehash); //free all the scripts while(source->scriptstack) { script = source->scriptstack; source->scriptstack = source->scriptstack->next; FreeScript(script); } //end for //free all the tokens while(source->tokens) { token = source->tokens; source->tokens = source->tokens->next; PC_FreeToken(token); } //end for #if DEFINEHASHING for (i = 0; i < DEFINEHASHSIZE; i++) { define = source->definehash[i]; while(define) { nextdefine = define->hashnext; if ( !(define->flags & DEFINE_GLOBAL) ) { PC_FreeDefine(define); } define = nextdefine; } //end while source->definehash[i] = NULL; } //end for #else //DEFINEHASHING //free all defines while(source->defines) { define = source->defines; source->defines = source->defines->next; PC_FreeDefine(define); } //end for #endif //DEFINEHASHING //free all indents while(source->indentstack) { indent = source->indentstack; source->indentstack = source->indentstack->next; FreeMemory(indent); } //end for #if DEFINEHASHING // if (source->definehash) FreeMemory(source->definehash); #endif //DEFINEHASHING //free the source itself FreeMemory(source); } //end of the function FreeSource //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ #define MAX_SOURCEFILES 64 source_t *sourceFiles[MAX_SOURCEFILES]; int PC_LoadSourceHandle(const char *filename) { source_t *source; int i; for (i = 1; i < MAX_SOURCEFILES; i++) { if (!sourceFiles[i]) break; } //end for if (i >= MAX_SOURCEFILES) return 0; PS_SetBaseFolder(""); source = LoadSourceFile(filename); if (!source) return 0; sourceFiles[i] = source; return i; } //end of the function PC_LoadSourceHandle //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_FreeSourceHandle(int handle) { if (handle < 1 || handle >= MAX_SOURCEFILES) return qfalse; if (!sourceFiles[handle]) return qfalse; FreeSource(sourceFiles[handle]); sourceFiles[handle] = NULL; return qtrue; } //end of the function PC_FreeSourceHandle int PC_LoadGlobalDefines ( const char* filename ) { int handle; token_t token; handle = PC_LoadSourceHandle ( filename ); if ( handle < 1 ) return qfalse; addGlobalDefine = qtrue; // Read all the token files which will add the defines globally while ( PC_ReadToken(sourceFiles[handle], &token) ); addGlobalDefine = qfalse; PC_FreeSourceHandle ( handle ); return qtrue; } //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_ReadTokenHandle(int handle, pc_token_t *pc_token) { token_t token; int ret; if (handle < 1 || handle >= MAX_SOURCEFILES) return 0; if (!sourceFiles[handle]) return 0; ret = PC_ReadToken(sourceFiles[handle], &token); strcpy(pc_token->string, token.string); pc_token->type = token.type; pc_token->subtype = token.subtype; pc_token->intvalue = token.intvalue; pc_token->floatvalue = token.floatvalue; if ((pc_token->type == TT_STRING) && (pc_token->string[0]!='@')) StripDoubleQuotes(pc_token->string); return ret; } //end of the function PC_ReadTokenHandle //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ int PC_SourceFileAndLine(int handle, char *filename, int *line) { if (handle < 1 || handle >= MAX_SOURCEFILES) return qfalse; if (!sourceFiles[handle]) return qfalse; strcpy(filename, sourceFiles[handle]->filename); if (sourceFiles[handle]->scriptstack) *line = sourceFiles[handle]->scriptstack->line; else *line = 0; return qtrue; } //end of the function PC_SourceFileAndLine //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_SetBaseFolder(char *path) { PS_SetBaseFolder(path); } //end of the function PC_SetBaseFolder //============================================================================ // // Parameter: - // Returns: - // Changes Globals: - //============================================================================ void PC_CheckOpenSourceHandles(void) { int i; for (i = 1; i < MAX_SOURCEFILES; i++) { if (sourceFiles[i]) { #ifdef BOTLIB botimport.Print(PRT_ERROR, "file %s still open in precompiler\n", sourceFiles[i]->scriptstack->filename); #endif //BOTLIB } //end if } //end for } //end of the function PC_CheckOpenSourceHandles