diff options
author | zakk <zakk@edf5b092-35ff-0310-97b2-ce42778d08ea> | 2005-08-26 17:39:27 +0000 |
---|---|---|
committer | zakk <zakk@edf5b092-35ff-0310-97b2-ce42778d08ea> | 2005-08-26 17:39:27 +0000 |
commit | 6bf20c78f5b69d40bcc4931df93d29198435ab67 (patch) | |
tree | e3eda937a05d7db42de725b7013bd0344b987f34 /code/botlib/l_precomp.c | |
parent | 872d4d7f55af706737ffb361bb76ad13e7496770 (diff) | |
download | ioquake3-aero-6bf20c78f5b69d40bcc4931df93d29198435ab67.tar.gz ioquake3-aero-6bf20c78f5b69d40bcc4931df93d29198435ab67.zip |
newlines fixed
git-svn-id: svn://svn.icculus.org/quake3/trunk@6 edf5b092-35ff-0310-97b2-ce42778d08ea
Diffstat (limited to 'code/botlib/l_precomp.c')
-rwxr-xr-x | code/botlib/l_precomp.c | 6456 |
1 files changed, 3228 insertions, 3228 deletions
diff --git a/code/botlib/l_precomp.c b/code/botlib/l_precomp.c index 4fa708b..ae82981 100755 --- a/code/botlib/l_precomp.c +++ b/code/botlib/l_precomp.c @@ -1,3228 +1,3228 @@ -/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-
-This file is part of Quake III Arena source code.
-
-Quake III Arena source code is free software; you can redistribute it
-and/or modify it under the terms of the GNU General Public License as
-published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
-
-Quake III Arena source code 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 Foobar; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-===========================================================================
-*/
-//
-
-/*****************************************************************************
- * name: l_precomp.c
- *
- * desc: pre compiler
- *
- * $Archive: /MissionPack/code/botlib/l_precomp.c $
- *
- *****************************************************************************/
-
-//Notes: fix: PC_StringizeTokens
-
-//#define SCREWUP
-//#define BOTLIB
-//#define QUAKE
-//#define QUAKEC
-//#define MEQCC
-
-#ifdef SCREWUP
-#include <stdio.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <string.h>
-#include <stdarg.h>
-#include <time.h>
-#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
-define_t *globaldefines;
-
-//============================================================================
-//
-// 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;
-
- hash = PC_NameHash(define->name);
- define->hashnext = definehash[hash];
- definehash[hash] = define;
-} //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 builtin;
- } 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].builtin;
- //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(&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(&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;
- 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 = 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;
-
- 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)
-{
- define_t *define;
-
- define = PC_DefineFromString(string);
- if (!define) return qfalse;
- define->next = globaldefines;
- globaldefines = define;
- return qtrue;
-} //end of the function PC_AddGlobalDefine
-//============================================================================
-// remove the given global define
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//============================================================================
-int PC_RemoveGlobalDefine(char *name)
-{
- define_t *define;
-
- define = PC_FindDefine(globaldefines, name);
- if (define)
- {
- PC_FreeDefine(define);
- return qtrue;
- } //end if
- return qfalse;
-} //end of the function PC_RemoveGlobalDefine
-//============================================================================
-// remove all globals defines
-//
-// Parameter: -
-// Returns: -
-// Changes Globals: -
-//============================================================================
-void PC_RemoveAllGlobalDefines(void)
-{
- define_t *define;
-
- for (define = globaldefines; define; define = globaldefines)
- {
- globaldefines = globaldefines->next;
- PC_FreeDefine(define);
- } //end for
-} //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, *newdefine;
-
- for (define = globaldefines; define; define = define->next)
- {
- newdefine = PC_CopyDefine(source, define);
-#if DEFINEHASHING
- PC_AddDefineToHash(newdefine, source->definehash);
-#else //DEFINEHASHING
- newdefine->next = source->defines;
- source->defines = newdefine;
-#endif //DEFINEHASHING
- } //end for
-} //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 operator;
- 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->operator = 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->operator != P_LOGIC_NOT
- && o->operator != 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->operator), v1->intvalue);
- if (v2) Log_Write("value2 = %d", v2->intvalue);
- } //end if
- else
- {
- Log_Write("operator %s, value1 = %f", PunctuationFromNum(source->scriptstack, o->operator), v1->floatvalue);
- if (v2) Log_Write("value2 = %f", v2->floatvalue);
- } //end else
-#endif //DEBUG_EVAL
- switch(o->operator)
- {
- 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->operator;
- //if not an operator with arity 1
- if (o->operator != P_LOGIC_NOT
- && o->operator != P_BIN_NOT)
- {
- //remove the second value if not question mark operator
- if (o->operator != 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 == '#')
- {
-#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();
-
- 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 = 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 = 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;
- 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++)
- {
- while(source->definehash[i])
- {
- define = source->definehash[i];
- source->definehash[i] = source->definehash[i]->hashnext;
- PC_FreeDefine(define);
- } //end while
- } //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
-//============================================================================
-//
-// 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)
- 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
-
+/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +Quake III Arena source code is free software; you can redistribute it +and/or modify it under the terms of the GNU General Public License as +published by the Free Software Foundation; either version 2 of the License, +or (at your option) any later version. + +Quake III Arena source code 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 Foobar; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ +// + +/***************************************************************************** + * name: l_precomp.c + * + * desc: pre compiler + * + * $Archive: /MissionPack/code/botlib/l_precomp.c $ + * + *****************************************************************************/ + +//Notes: fix: PC_StringizeTokens + +//#define SCREWUP +//#define BOTLIB +//#define QUAKE +//#define QUAKEC +//#define MEQCC + +#ifdef SCREWUP +#include <stdio.h> +#include <stdlib.h> +#include <limits.h> +#include <string.h> +#include <stdarg.h> +#include <time.h> +#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 +define_t *globaldefines; + +//============================================================================ +// +// 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; + + hash = PC_NameHash(define->name); + define->hashnext = definehash[hash]; + definehash[hash] = define; +} //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 builtin; + } 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].builtin; + //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(&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(&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; + 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 = 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; + + 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) +{ + define_t *define; + + define = PC_DefineFromString(string); + if (!define) return qfalse; + define->next = globaldefines; + globaldefines = define; + return qtrue; +} //end of the function PC_AddGlobalDefine +//============================================================================ +// remove the given global define +// +// Parameter: - +// Returns: - +// Changes Globals: - +//============================================================================ +int PC_RemoveGlobalDefine(char *name) +{ + define_t *define; + + define = PC_FindDefine(globaldefines, name); + if (define) + { + PC_FreeDefine(define); + return qtrue; + } //end if + return qfalse; +} //end of the function PC_RemoveGlobalDefine +//============================================================================ +// remove all globals defines +// +// Parameter: - +// Returns: - +// Changes Globals: - +//============================================================================ +void PC_RemoveAllGlobalDefines(void) +{ + define_t *define; + + for (define = globaldefines; define; define = globaldefines) + { + globaldefines = globaldefines->next; + PC_FreeDefine(define); + } //end for +} //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, *newdefine; + + for (define = globaldefines; define; define = define->next) + { + newdefine = PC_CopyDefine(source, define); +#if DEFINEHASHING + PC_AddDefineToHash(newdefine, source->definehash); +#else //DEFINEHASHING + newdefine->next = source->defines; + source->defines = newdefine; +#endif //DEFINEHASHING + } //end for +} //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 operator; + 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->operator = 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->operator != P_LOGIC_NOT + && o->operator != 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->operator), v1->intvalue); + if (v2) Log_Write("value2 = %d", v2->intvalue); + } //end if + else + { + Log_Write("operator %s, value1 = %f", PunctuationFromNum(source->scriptstack, o->operator), v1->floatvalue); + if (v2) Log_Write("value2 = %f", v2->floatvalue); + } //end else +#endif //DEBUG_EVAL + switch(o->operator) + { + 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->operator; + //if not an operator with arity 1 + if (o->operator != P_LOGIC_NOT + && o->operator != P_BIN_NOT) + { + //remove the second value if not question mark operator + if (o->operator != 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 == '#') + { +#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(); + + 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 = 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 = 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; + 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++) + { + while(source->definehash[i]) + { + define = source->definehash[i]; + source->definehash[i] = source->definehash[i]->hashnext; + PC_FreeDefine(define); + } //end while + } //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 +//============================================================================ +// +// 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) + 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 + |