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engine/engine/qclib/qcc_pr_lex.c

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#if !defined(MINIMAL) && !defined(OMIT_QCC)
#include "qcc.h"
#ifdef QCC
#define print printf
#endif
#include "time.h"
#define MEMBERFIELDNAME "__m%s"
#define STRCMP(s1,s2) (((*s1)!=(*s2)) || strcmp(s1+1,s2+1)) //saves about 2-6 out of 120 - expansion of idea from fastqcc
void QCC_PR_PreProcessor_Define(pbool append);
pbool QCC_PR_UndefineName(char *name);
char *QCC_PR_CheckCompConstString(char *def);
CompilerConstant_t *QCC_PR_CheckCompConstDefined(char *def);
int QCC_PR_CheckCompConst(void);
pbool QCC_Include(char *filename);
void QCC_FreeDef(QCC_def_t *def);
char *compilingfile;
int pr_source_line;
char *pr_file_p;
char *pr_line_start; // start of current source line
int pr_bracelevel;
char pr_token[8192];
token_type_t pr_token_type;
int pr_token_line;
int pr_token_line_last;
QCC_type_t *pr_immediate_type;
QCC_evalstorage_t pr_immediate;
char pr_immediate_string[8192];
int pr_error_count;
int pr_warning_count;
CompilerConstant_t *CompilerConstant;
int numCompilerConstants;
extern pbool expandedemptymacro;
//really these should not be in here
extern unsigned int locals_end, locals_start;
extern QCC_type_t *pr_classtype;
QCC_function_t *QCC_PR_ParseImmediateStatements (QCC_def_t *def, QCC_type_t *type);
static void Q_strlcpy(char *dest, const char *src, int sizeofdest)
{
if (sizeofdest)
{
int slen = strlen(src);
slen = min((sizeofdest-1), slen);
memcpy(dest, src, slen);
dest[slen] = 0;
}
}
char *pr_punctuation[] =
// longer symbols must be before a shorter partial match
{"&&", "||", "<=", ">=","==", "!=", "/=", "*=", "+=", "-=", "(+)", "(-)", "|=", "&~=", "&=", "++", "--", "->", "^=", "::", ";", ",", "!", "*", "/", "(", ")", "-", "+", "=", "[", "]", "{", "}", "...", "..", ".", "<<", "<", ">>", ">" , "?", "#" , "@", "&" , "|", "%", "^", "~", ":", NULL};
char *pr_punctuationremap[] = //a nice bit of evilness.
//(+) -> |=
//-> -> .
//(-) -> &~=
{"&&", "||", "<=", ">=","==", "!=", "/=", "*=", "+=", "-=", "|=", "&~=", "|=", "&~=", "&=", "++", "--", ".", "^=", "::", ";", ",", "!", "*", "/", "(", ")", "-", "+", "=", "[", "]", "{", "}", "...", "..", ".", "<<", "<", ">>", ">" , "?", "#" , "@", "&" , "|", "%", "^", "~", ":", NULL};
// simple types. function types are dynamically allocated
QCC_type_t *type_void; //void
QCC_type_t *type_string; //string
QCC_type_t *type_float; //float
QCC_type_t *type_vector; //vector
QCC_type_t *type_entity; //entity
QCC_type_t *type_field; //.void
QCC_type_t *type_function; //void()
QCC_type_t *type_floatfunction; //float()
QCC_type_t *type_pointer; //??? * - careful with this one
QCC_type_t *type_integer; //int
QCC_type_t *type_variant; //__variant
QCC_type_t *type_floatpointer; //float *
QCC_type_t *type_intpointer; //int *
QCC_type_t *type_floatfield;// = {ev_field/*, &def_field*/, NULL, &type_float};
QCC_def_t def_ret, def_parms[MAX_PARMS];
//QCC_def_t *def_for_type[9] = {&def_void, &def_string, &def_float, &def_vector, &def_entity, &def_field, &def_function, &def_pointer, &def_integer};
void QCC_PR_LexWhitespace (pbool inhibitpreprocessor);
//for compiler constants and file includes.
qcc_includechunk_t *currentchunk;
void QCC_PR_CloseProcessor(void)
{
currentchunk = NULL;
}
void QCC_PR_IncludeChunkEx (char *data, pbool duplicate, char *filename, CompilerConstant_t *cnst)
{
qcc_includechunk_t *chunk = qccHunkAlloc(sizeof(qcc_includechunk_t));
chunk->prev = currentchunk;
currentchunk = chunk;
chunk->currentdatapoint = pr_file_p;
chunk->currentlinenumber = pr_source_line;
chunk->cnst = cnst;
if( cnst )
{
cnst->inside++;
}
if (duplicate)
{
pr_file_p = qccHunkAlloc(strlen(data)+1);
strcpy(pr_file_p, data);
}
else
pr_file_p = data;
}
void QCC_PR_IncludeChunk (char *data, pbool duplicate, char *filename)
{
QCC_PR_IncludeChunkEx(data, duplicate, filename, NULL);
}
pbool QCC_PR_UnInclude(void)
{
if (!currentchunk)
return false;
if( currentchunk->cnst )
currentchunk->cnst->inside--;
pr_file_p = currentchunk->currentdatapoint;
pr_source_line = currentchunk->currentlinenumber;
currentchunk = currentchunk->prev;
return true;
}
/*
==============
PR_PrintNextLine
==============
*/
void QCC_PR_PrintNextLine (void)
{
char *t;
printf ("%3i:",pr_source_line);
for (t=pr_line_start ; *t && *t != '\n' ; t++)
printf ("%c",*t);
printf ("\n");
}
extern char qccmsourcedir[];
//also meant to include it.
void QCC_FindBestInclude(char *newfile, char *currentfile, char *rootpath, pbool verbose)
{
char fullname[1024];
int doubledots;
char *end = fullname;
if (!*newfile)
return;
doubledots = 0;
/*count how far up we need to go*/
while(!strncmp(newfile, "../", 3) || !strncmp(newfile, "..\\", 3))
{
newfile+=3;
doubledots++;
}
#if 0
currentfile += strlen(rootpath); //could this be bad?
strcpy(fullname, rootpath);
end = fullname+strlen(end);
if (*fullname && end[-1] != '/')
{
strcpy(end, "/");
end = end+strlen(end);
}
strcpy(end, currentfile);
end = end+strlen(end);
#else
if (currentfile)
strcpy(fullname, currentfile);
else
*fullname = 0;
end = fullname+strlen(fullname);
#endif
while (end > fullname)
{
end--;
/*stop at the slash, unless we're meant to go further*/
if (*end == '/' || *end == '\\')
{
if (!doubledots)
{
end++;
break;
}
doubledots--;
}
}
strcpy(end, newfile);
if (verbose)
{
if (autoprototype)
printf("prototyping include %s\n", fullname);
else
printf("including %s\n", fullname);
}
QCC_Include(fullname);
}
pbool defaultnoref;
pbool defaultstatic;
int ForcedCRC;
int QCC_PR_LexInteger (void);
void QCC_AddFile (char *filename);
void QCC_PR_LexString (void);
pbool QCC_PR_SimpleGetToken (void);
#define PPI_VALUE 0
#define PPI_NOT 1
#define PPI_DEFINED 2
#define PPI_COMPARISON 3
#define PPI_LOGICAL 4
#define PPI_TOPLEVEL 5
int ParsePrecompilerIf(int level)
{
CompilerConstant_t *c;
int eval = 0;
// pbool notted = false;
//single term end-of-chain
if (level == PPI_VALUE)
{
/*skip whitespace*/
while (*pr_file_p && qcc_iswhite(*pr_file_p) && *pr_file_p != '\n')
{
pr_file_p++;
}
if (*pr_file_p == '(')
{ //try brackets
pr_file_p++;
eval = ParsePrecompilerIf(PPI_TOPLEVEL);
while (*pr_file_p == ' ' || *pr_file_p == '\t')
pr_file_p++;
if (*pr_file_p != ')')
QCC_PR_ParseError(ERR_EXPECTED, "unclosed bracket condition\n");
pr_file_p++;
}
else if (*pr_file_p == '!')
{ //try brackets
pr_file_p++;
eval = !ParsePrecompilerIf(PPI_NOT);
}
else
{ //simple token...
if (!strncmp(pr_file_p, "defined", 7))
{
pr_file_p+=7;
while (*pr_file_p == ' ' || *pr_file_p == '\t')
pr_file_p++;
if (*pr_file_p != '(')
{
eval = false;
QCC_PR_ParseError(ERR_EXPECTED, "no opening bracket after defined\n");
}
else
{
pr_file_p++;
QCC_PR_SimpleGetToken();
eval = !!QCC_PR_CheckCompConstDefined(pr_token);
while (*pr_file_p == ' ' || *pr_file_p == '\t')
pr_file_p++;
if (*pr_file_p != ')')
QCC_PR_ParseError(ERR_EXPECTED, "unclosed defined condition\n");
pr_file_p++;
}
}
else
{
if (!QCC_PR_SimpleGetToken())
QCC_PR_ParseError(ERR_EXPECTED, "unexpected end-of-line\n");
c = QCC_PR_CheckCompConstDefined(pr_token);
if (!c)
eval = atoi(pr_token);
else
eval = atoi(c->value);
}
}
return eval;
}
eval = ParsePrecompilerIf(level-1);
while (*pr_file_p && qcc_iswhite(*pr_file_p) && *pr_file_p != '\n')
{
pr_file_p++;
}
switch(level)
{
case PPI_LOGICAL:
if (!strncmp(pr_file_p, "||", 2))
{
pr_file_p+=2;
eval = ParsePrecompilerIf(level)||eval;
}
else if (!strncmp(pr_file_p, "&&", 2))
{
pr_file_p+=2;
eval = ParsePrecompilerIf(level)&&eval;
}
break;
case PPI_COMPARISON:
if (!strncmp(pr_file_p, "<=", 2))
{
pr_file_p+=2;
eval = eval <= ParsePrecompilerIf(level);
}
else if (!strncmp(pr_file_p, ">=", 2))
{
pr_file_p += 2;
eval = eval >= ParsePrecompilerIf(level);
}
else if (!strncmp(pr_file_p, "<", 1))
{
pr_file_p += 1;
eval = eval < ParsePrecompilerIf(level);
}
else if (!strncmp(pr_file_p, ">", 1))
{
pr_file_p += 1;
eval = eval > ParsePrecompilerIf(level);
}
else if (!strncmp(pr_file_p, "!=", 2))
{
pr_file_p += 2;
eval = eval != ParsePrecompilerIf(level);
}
else if (!strncmp(pr_file_p, "==", 2))
{
pr_file_p += 2;
eval = eval == ParsePrecompilerIf(level);
}
break;
}
return eval;
}
//returns true if it was white/comments only. false if there was actual text that was skipped.
static void QCC_PR_SkipToEndOfLine(pbool errorifnonwhite)
{
pbool handleccomments = true;
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
if (*pr_file_p == '/' && pr_file_p[1] == '*' && handleccomments)
{
pr_file_p += 2;
while(*pr_file_p)
{
if (*pr_file_p == '*' && pr_file_p[1] == '/')
{
pr_file_p+=2;
break;
}
if (*pr_file_p == '\n')
pr_source_line++;
pr_file_p++;
}
}
else if (*pr_file_p == '/' && pr_file_p[1] == '/' && handleccomments)
{
handleccomments = false;
pr_file_p += 2;
/*while(*pr_file_p)
{
if (*pr_file_p == '\n')
break;
pr_file_p++;
}*/
}
else if (*pr_file_p == '\\' && pr_file_p[1] == '\r' && pr_file_p[2] == '\n')
{ /*windows endings*/
pr_file_p+=3;
pr_source_line++;
}
else if (*pr_file_p == '\"' && handleccomments)
{
if (errorifnonwhite)
{
errorifnonwhite = false;
QCC_PR_ParseWarning (ERR_UNKNOWNPUCTUATION, "unexpected tokens at end of line");
}
pr_file_p++;
while (*pr_file_p)
{
if (*pr_file_p == '\n')
break; //this text is junk/ignored, so ignore the obvious error here.
else if (*pr_file_p == '\"')
{
pr_file_p++;
break;
}
else if (*pr_file_p == '\\' && pr_file_p[1] == '\"')
pr_file_p+=2; //don't trip on "\"/*"
else if (*pr_file_p == '\\' && pr_file_p[1] == '\\')
pr_file_p+=2; //don't trip on "\\"//"foo
else
pr_file_p++;
//any other \ should be part of the actual string, which we don't care about here
}
}
else if (*pr_file_p == '\\' && pr_file_p[1] == '\n')
{ /*linux endings*/
pr_file_p+=2;
pr_source_line++;
}
else
{
if (errorifnonwhite && handleccomments && !qcc_iswhite(*pr_file_p))
{
errorifnonwhite = false;
QCC_PR_ParseWarning(ERR_UNKNOWNPUCTUATION, "unexpected tokens at end of line");
}
pr_file_p++;
}
}
}
/*
==============
QCC_PR_Precompiler
==============
Runs precompiler stage
*/
pbool QCC_PR_Precompiler(void)
{
char msg[1024];
int ifmode;
int a;
static int ifs = 0;
int level; //#if level
pbool eval = false;
if (*pr_file_p == '#')
{
char *directive;
for (directive = pr_file_p+1; *directive; directive++) //so # define works
{
if (*directive == '\r' || *directive == '\n')
QCC_PR_ParseError(ERR_UNKNOWNPUCTUATION, "Hanging # with no directive\n");
if (*directive > ' ')
break;
}
if (!strncmp(directive, "define", 6))
{
pr_file_p = directive;
QCC_PR_PreProcessor_Define(false);
QCC_PR_SkipToEndOfLine(true);
}
else if (!strncmp(directive, "append", 6))
{
pr_file_p = directive;
QCC_PR_PreProcessor_Define(true);
QCC_PR_SkipToEndOfLine(true);
}
else if (!strncmp(directive, "undef", 5))
{
pr_file_p = directive+5;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
QCC_PR_SimpleGetToken ();
QCC_PR_UndefineName(pr_token);
// QCC_PR_ConditionCompilation();
QCC_PR_SkipToEndOfLine(true);
}
else if (!strncmp(directive, "if", 2))
{
int originalline = pr_source_line;
pr_file_p = directive+2;
if (!strncmp(pr_file_p, "def", 3))
{
ifmode = 0;
pr_file_p+=3;
}
else if (!strncmp(pr_file_p, "ndef", 4))
{
ifmode = 1;
pr_file_p+=4;
}
else
{
ifmode = 2;
pr_file_p+=0;
//QCC_PR_ParseError("bad \"#if\" type");
}
if (!qcc_iswhite(*pr_file_p))
{
pr_file_p = directive;
QCC_PR_SimpleGetToken ();
QCC_PR_ParseWarning(WARN_BADPRAGMA, "Unknown pragma \'%s\'", qcc_token);
}
else
{
if (ifmode == 2)
{
eval = ParsePrecompilerIf(PPI_TOPLEVEL);
}
else
{
QCC_PR_SimpleGetToken ();
// if (!STRCMP(pr_token, "COOP_MODE"))
// eval = false;
if (QCC_PR_CheckCompConstDefined(pr_token))
eval = true;
if (ifmode == 1)
eval = eval?false:true;
}
QCC_PR_SkipToEndOfLine(true);
level = 1;
if (eval)
ifs+=1;
else
{
while (1)
{
while(*pr_file_p && (*pr_file_p==' ' || *pr_file_p == '\t'))
pr_file_p++;
if (!*pr_file_p)
{
pr_source_line = originalline;
QCC_PR_ParseError (ERR_NOENDIF, "#if with no endif");
}
if (*pr_file_p == '#')
{
pr_file_p++;
while(*pr_file_p==' ' || *pr_file_p == '\t')
pr_file_p++;
if (!strncmp(pr_file_p, "endif", 5))
level--;
if (!strncmp(pr_file_p, "if", 2))
level++;
if (!strncmp(pr_file_p, "else", 4) && level == 1)
{
ifs+=1;
pr_file_p+=4;
QCC_PR_SkipToEndOfLine(true);
break;
}
}
QCC_PR_SkipToEndOfLine(false);
if (level <= 0)
break;
pr_file_p++; //next line
pr_source_line++;
}
}
}
}
else if (!strncmp(directive, "else", 4))
{
int originalline = pr_source_line;
ifs -= 1;
level = 1;
pr_file_p = directive+4;
QCC_PR_SkipToEndOfLine(true);
while (1)
{
while(*pr_file_p && (*pr_file_p==' ' || *pr_file_p == '\t'))
pr_file_p++;
if (!*pr_file_p)
{
pr_source_line = originalline;
QCC_PR_ParseError(ERR_NOENDIF, "#if with no endif");
}
if (*pr_file_p == '#')
{
pr_file_p++;
while(*pr_file_p==' ' || *pr_file_p == '\t')
pr_file_p++;
if (!strncmp(pr_file_p, "endif", 5))
level--;
if (!strncmp(pr_file_p, "if", 2))
level++;
if (!strncmp(pr_file_p, "else", 4) && level == 1)
{
ifs+=1;
pr_file_p+=4;
QCC_PR_SkipToEndOfLine(true);
break;
}
}
QCC_PR_SkipToEndOfLine(false);
if (level <= 0)
break;
pr_file_p++; //go off the end
pr_source_line++;
}
}
else if (!strncmp(directive, "endif", 5))
{
pr_file_p = directive+5;
QCC_PR_SkipToEndOfLine(true);
if (ifs <= 0)
QCC_PR_ParseError(ERR_NOPRECOMPILERIF, "unmatched #endif");
else
ifs-=1;
}
else if (!strncmp(directive, "eof", 3))
{
pr_file_p = NULL;
return true;
}
else if (!strncmp(directive, "error", 5))
{
pr_file_p = directive+5;
for (a = 0; a < sizeof(msg)-1 && pr_file_p[a] != '\t' && pr_file_p[a] != '\n' && pr_file_p[a] != '\0'; a++)
msg[a] = pr_file_p[a];
msg[a] = '\0';
QCC_PR_SkipToEndOfLine(false);
QCC_PR_ParseError(ERR_HASHERROR, "#Error: %s\n", msg);
}
else if (!strncmp(directive, "warning", 7))
{
pr_file_p = directive+7;
for (a = 0; a < 1023 && pr_file_p[a] != '\r' && pr_file_p[a] != '\n' && pr_file_p[a] != '\0'; a++)
msg[a] = pr_file_p[a];
msg[a] = '\0';
QCC_PR_SkipToEndOfLine(false);
QCC_PR_ParseWarning(WARN_PRECOMPILERMESSAGE, "#warning: %s\n", msg);
}
else if (!strncmp(directive, "message", 7))
{
pr_file_p = directive+7;
for (a = 0; a < sizeof(msg)-1 && pr_file_p[a] != '\r' && pr_file_p[a] != '\n' && pr_file_p[a] != '\0'; a++)
msg[a] = pr_file_p[a];
msg[a] = '\0';
if (flag_msvcstyle)
printf ("%s(%i) : #message: %s\n", strings + s_file, pr_source_line, msg);
else
printf ("%s:%i: #message: %s\n", strings + s_file, pr_source_line, msg);
QCC_PR_SkipToEndOfLine(false);
}
else if (!strncmp(directive, "copyright", 9))
{
pr_file_p = directive+9;
for (a = 0; a < sizeof(msg)-1 && qcc_iswhite(pr_file_p[a]) && pr_file_p[a] != '\0'; a++)
msg[a] = pr_file_p[a];
msg[a] = '\0';
QCC_PR_SkipToEndOfLine(false);
if (strlen(msg) >= sizeof(QCC_copyright))
QCC_PR_ParseWarning(WARN_STRINGTOOLONG, "Copyright message is too long\n");
QC_strlcpy(QCC_copyright, msg, sizeof(QCC_copyright)-1);
}
else if (!strncmp(directive, "pack", 4))
{
ifmode = 0;
pr_file_p=directive+4;
if (!strncmp(pr_file_p, "id", 2))
pr_file_p+=3;
else
{
ifmode = QCC_PR_LexInteger();
if (ifmode == 0)
ifmode = 1;
pr_file_p++;
}
for (a = 0; a < sizeof(msg)-1 && qcc_iswhite(pr_file_p[a]) && pr_file_p[a] != '\0'; a++)
msg[a] = pr_file_p[a];
msg[a] = '\0';
QCC_PR_SkipToEndOfLine(true);
if (ifmode == 0)
QCC_packid = atoi(msg);
else if (ifmode <= 5)
strcpy(QCC_Packname[ifmode-1], msg);
else
QCC_PR_ParseError(ERR_TOOMANYPACKFILES, "No more than 5 packs are allowed");
}
else if (!strncmp(directive, "forcecrc", 8))
{
pr_file_p=directive+8;
ForcedCRC = QCC_PR_LexInteger();
QCC_PR_SkipToEndOfLine(true);
}
else if (!strncmp(directive, "includelist", 11))
{
int defines=0;
pr_file_p=directive+11;
QCC_PR_SkipToEndOfLine(true);
while(1)
{
QCC_PR_LexWhitespace(false);
if (QCC_PR_CheckCompConst())
{
defines++;
continue;
}
if (!QCC_PR_SimpleGetToken())
{
if (!*pr_file_p)
{
if (defines>0)
{
defines--;
QCC_PR_UnInclude();
continue;
}
QCC_Error(ERR_EOF, "eof in includelist");
}
else
{
pr_file_p++;
pr_source_line++;
}
continue;
}
if (!strcmp(pr_token, "#endlist"))
{
QCC_PR_SkipToEndOfLine(true);
break;
}
QCC_FindBestInclude(pr_token, compilingfile, qccmsourcedir, true);
if (*pr_file_p == '\r')
pr_file_p++;
// QCC_PR_SkipToEndOfLine(true);
}
}
else if (!strncmp(directive, "include", 7))
{
char sm;
pr_file_p=directive+7;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
msg[0] = '\0';
if (*pr_file_p == '\"')
sm = '\"';
else if (*pr_file_p == '<')
sm = '>';
else
{
QCC_PR_ParseError(0, "Not a string literal (on a #include)");
sm = 0;
}
pr_file_p++;
a=0;
while(*pr_file_p != sm)
{
if (*pr_file_p == '\n')
{
QCC_PR_ParseError(0, "#include continued over line boundry\n");
break;
}
msg[a++] = *pr_file_p;
pr_file_p++;
}
msg[a] = 0;
QCC_FindBestInclude(msg, compilingfile, qccmsourcedir, false);
pr_file_p++;
QCC_PR_SkipToEndOfLine(true);
}
else if (!strncmp(directive, "datafile", 8))
{
pr_file_p=directive+8;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
QCC_PR_LexString();
printf("Including datafile: %s\n", pr_token);
QCC_AddFile(pr_token);
pr_file_p++;
for (a = 0; a < sizeof(msg)-1 && pr_file_p[a] != '\n' && pr_file_p[a] != '\0'; a++)
msg[a] = pr_file_p[a];
msg[a-1] = '\0';
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
}
else if (!strncmp(directive, "output", 6))
{
extern char destfile[1024];
pr_file_p=directive+6;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
QCC_PR_LexString();
strcpy(destfile, pr_token);
printf("Outputfile: %s\n", destfile);
pr_file_p++;
for (a = 0; a < sizeof(msg)-1 && pr_file_p[a] != '\n' && pr_file_p[a] != '\0'; a++)
msg[a] = pr_file_p[a];
msg[a-1] = '\0';
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
}
else if (!strncmp(directive, "pragma", 6))
{
pr_file_p=directive+6;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
qcc_token[0] = '\0';
for(a = 0; *pr_file_p != '\n' && *pr_file_p != '\0'; pr_file_p++) //read on until the end of the line
{
if ((*pr_file_p == ' ' || *pr_file_p == '\t'|| *pr_file_p == '(') && !*qcc_token)
{
msg[a] = '\0';
strcpy(qcc_token, msg);
a=0;
continue;
}
msg[a++] = *pr_file_p;
}
msg[a] = '\0';
{
char *end;
for (end = msg + a-1; end>=msg && qcc_iswhite(*end); end--)
*end = '\0';
}
if (!*qcc_token)
{
strcpy(qcc_token, msg);
msg[0] = '\0';
}
{
char *end;
for (end = msg + a-1; end>=msg && qcc_iswhite(*end); end--)
*end = '\0';
}
if (!QC_strcasecmp(qcc_token, "DONT_COMPILE_THIS_FILE"))
{
while (*pr_file_p)
{
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
pr_file_p++;
if (*pr_file_p == '\n')
{
pr_file_p++;
QCC_PR_NewLine(false);
}
}
}
else if (!QC_strcasecmp(qcc_token, "COPYRIGHT"))
{
if (strlen(msg) >= sizeof(QCC_copyright))
QCC_PR_ParseWarning(WARN_STRINGTOOLONG, "Copyright message is too long\n");
QC_strlcpy(QCC_copyright, msg, sizeof(QCC_copyright)-1);
}
else if (!QC_strcasecmp(qcc_token, "compress"))
{
extern pbool compressoutput;
compressoutput = atoi(msg);
}
else if (!QC_strcasecmp(qcc_token, "forcecrc"))
{
ForcedCRC = atoi(msg);
}
else if (!QC_strcasecmp(qcc_token, "noref"))
{
defaultnoref = !!atoi(msg);
}
else if (!QC_strcasecmp(qcc_token, "defaultstatic"))
{
defaultstatic = !!atoi(msg);
}
else if (!QC_strcasecmp(qcc_token, "autoproto"))
{
if (!autoprototyped)
{
if (numpr_globals != RESERVED_OFS)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "#pragma autoproto must appear before any definitions");
else
autoprototype = *msg?!!atoi(msg):true;
}
}
else if (!QC_strcasecmp(qcc_token, "wrasm"))
{
pbool on = atoi(msg);
if (asmfile && !on)
{
fclose(asmfile);
asmfile = NULL;
}
if (!asmfile && on)
{
if (asmfilebegun)
asmfile = fopen("qc.asm", "ab");
else
asmfile = fopen("qc.asm", "wb");
if (asmfile)
asmfilebegun = true;
}
}
else if (!QC_strcasecmp(qcc_token, "optimise") || !QC_strcasecmp(qcc_token, "optimize")) //bloomin' americans.
{
int o;
extern pbool qcc_nopragmaoptimise;
if (pr_scope)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "pragma %s: unable to change optimisation options mid-function", qcc_token);
else if (*msg >= '0' && *msg <= '3')
{
int lev = atoi(msg);
pbool state;
int once = false;
for (o = 0; optimisations[o].enabled; o++)
{
state = optimisations[o].optimisationlevel <= lev;
if (qcc_nopragmaoptimise && *optimisations[o].enabled != state)
{
if (!once++)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "pragma %s %s: overriden by commandline", qcc_token, msg);
}
else
*optimisations[o].enabled = state;
}
}
else if (!strnicmp(msg, "addon", 5) || !strnicmp(msg, "mutator", 7))
{
int lev = 2;
pbool state = false;
for (o = 0; optimisations[o].enabled; o++)
{
if (optimisations[o].optimisationlevel > lev)
{
if (qcc_nopragmaoptimise && *optimisations[o].enabled != state)
QCC_PR_ParseWarning(WARN_IGNORECOMMANDLINE, "pragma %s %s: disabling %s", qcc_token, msg, optimisations[o].fullname);
*optimisations[o].enabled = state;
}
}
}
else
{
char *opt = msg;
pbool state = true;
if (!strnicmp(msg, "no-", 3))
{
state = false;
opt += 3;
}
for (o = 0; optimisations[o].enabled; o++)
if ((*optimisations[o].abbrev && !stricmp(opt, optimisations[o].abbrev)) || !stricmp(opt, optimisations[o].fullname))
{
if (qcc_nopragmaoptimise && *optimisations[o].enabled != state)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "pragma %s %s: overriden by commandline", qcc_token, optimisations[o].fullname);
else
*optimisations[o].enabled = state;
break;
}
if (!optimisations[o].enabled)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "pragma %s: %s unsupported", qcc_token, opt);
}
}
else if (!QC_strcasecmp(qcc_token, "sourcefile"))
{
#define MAXSOURCEFILESLIST 8
extern char sourcefileslist[MAXSOURCEFILESLIST][1024];
//extern int currentsourcefile; // warning: unused variable <20>currentsourcefile<6C>
extern int numsourcefiles;
int i;
QCC_COM_Parse(msg);
for (i = 0; i < numsourcefiles; i++)
{
if (!strcmp(sourcefileslist[i], qcc_token))
break;
}
if (i == numsourcefiles && numsourcefiles < MAXSOURCEFILESLIST)
strcpy(sourcefileslist[numsourcefiles++], qcc_token);
}
else if (!QC_strcasecmp(qcc_token, "TARGET"))
{
int newtype = qcc_targetformat;
QCC_COM_Parse(msg);
if (!QC_strcasecmp(qcc_token, "H2") || !QC_strcasecmp(qcc_token, "HEXEN2"))
newtype = QCF_HEXEN2;
else if (!QC_strcasecmp(qcc_token, "KK7"))
newtype = QCF_KK7;
else if (!QC_strcasecmp(qcc_token, "DP") || !QC_strcasecmp(qcc_token, "DARKPLACES"))
newtype = QCF_DARKPLACES;
else if (!QC_strcasecmp(qcc_token, "FTEDEBUG"))
newtype = QCF_FTEDEBUG;
else if (!QC_strcasecmp(qcc_token, "FTE"))
newtype = QCF_FTE;
else if (!QC_strcasecmp(qcc_token, "FTEH2"))
newtype = QCF_FTEH2;
else if (!QC_strcasecmp(qcc_token, "STANDARD") || !QC_strcasecmp(qcc_token, "ID"))
newtype = QCF_STANDARD;
else if (!QC_strcasecmp(qcc_token, "DEBUG"))
newtype = QCF_FTEDEBUG;
else if (!QC_strcasecmp(qcc_token, "QTEST"))
newtype = QCF_QTEST;
else
QCC_PR_ParseWarning(WARN_BADTARGET, "Unknown target \'%s\'. Ignored.\nValid targets are: ID, HEXEN2, FTE, FTEH2, KK7, DP(patched)", qcc_token);
if (numstatements > 1)
{
if ((qcc_targetformat == QCF_HEXEN2 || qcc_targetformat == QCF_FTEH2) && (newtype != QCF_HEXEN2 && newtype != QCF_FTEH2))
QCC_PR_ParseWarning(WARN_BADTARGET, "Cannot switch from hexen2 target \'%s\' after the first statement. Ignored.", msg);
if ((newtype == QCF_HEXEN2 || newtype == QCF_FTEH2) && (qcc_targetformat != QCF_HEXEN2 && qcc_targetformat != QCF_FTEH2))
QCC_PR_ParseWarning(WARN_BADTARGET, "Cannot switch to hexen2 target \'%s\' after the first statement. Ignored.", msg);
}
qcc_targetformat = newtype;
}
else if (!QC_strcasecmp(qcc_token, "PROGS_SRC"))
{ //doesn't make sence, but silenced if you are switching between using a certain precompiler app used with CuTF.
}
else if (!QC_strcasecmp(qcc_token, "PROGS_DAT"))
{ //doesn't make sence, but silenced if you are switching between using a certain precompiler app used with CuTF.
extern char destfile[1024];
char olddest[1024];
#ifndef QCCONLY
extern char qccmfilename[1024];
int p;
char *s, *s2;
#endif
Q_strlcpy(olddest, destfile, sizeof(olddest));
QCC_COM_Parse(msg);
#ifndef QCCONLY
p=0;
s2 = qcc_token;
if (!strncmp(s2, "./", 2))
s2+=2;
else
{
while(!strncmp(s2, "../", 3))
{
s2+=3;
p++;
}
}
strcpy(qccmfilename, qccmsourcedir);
for (s=qccmfilename+strlen(qccmfilename);p && s>=qccmfilename; s--)
{
if (*s == '/' || *s == '\\')
{
*(s+1) = '\0';
p--;
}
}
QC_snprintfz(destfile, sizeof(destfile), "%s", s2);
while (p>0)
{
memmove(destfile+3, destfile, strlen(destfile)+1);
destfile[0] = '.';
destfile[1] = '.';
destfile[2] = '/';
p--;
}
#else
strcpy(destfile, qcc_token);
#endif
if (strcmp(destfile, olddest))
printf("Outputfile: %s\n", destfile);
}
else if (!QC_strcasecmp(qcc_token, "keyword") || !QC_strcasecmp(qcc_token, "flag"))
{
char *s;
int st;
s = QCC_COM_Parse(msg);
if (!QC_strcasecmp(qcc_token, "enable") || !QC_strcasecmp(qcc_token, "on"))
st = 1;
else if (!QC_strcasecmp(qcc_token, "disable") || !QC_strcasecmp(qcc_token, "off"))
st = 0;
else
{
QCC_PR_ParseWarning(WARN_BADPRAGMA, "compiler flag state not recognised");
st = -1;
}
if (st < 0)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "warning id not recognised");
else
{
int f;
s = QCC_COM_Parse(s);
for (f = 0; compiler_flag[f].enabled; f++)
{
if (!QC_strcasecmp(compiler_flag[f].abbrev, qcc_token))
{
if (compiler_flag[f].flags & FLAG_MIDCOMPILE)
*compiler_flag[f].enabled = st;
else
QCC_PR_ParseWarning(WARN_BADPRAGMA, "Cannot enable/disable keyword/flag via a pragma");
break;
}
}
if (!compiler_flag[f].enabled)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "keyword/flag %s not recognised", qcc_token);
}
}
else if (!QC_strcasecmp(qcc_token, "warning"))
{
int st;
char *s;
s = QCC_COM_Parse(msg);
if (!stricmp(qcc_token, "enable") || !stricmp(qcc_token, "on"))
st = WA_WARN;
else if (!stricmp(qcc_token, "disable") || !stricmp(qcc_token, "off") || !stricmp(qcc_token, "ignore"))
st = WA_IGNORE;
else if (!stricmp(qcc_token, "error"))
st = WA_ERROR;
else if (!stricmp(qcc_token, "toggle"))
st = 3;
else
{
QCC_PR_ParseWarning(WARN_BADPRAGMA, "warning state not recognised");
st = -1;
}
if (st>=0)
{
int wn;
s = QCC_COM_Parse(s);
wn = QCC_WarningForName(qcc_token);
if (wn < 0)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "warning id not recognised");
else
{
if (st == 3) //toggle
qccwarningaction[wn] = !!qccwarningaction[wn];
else
qccwarningaction[wn] = st;
}
}
}
else
QCC_PR_ParseWarning(WARN_BADPRAGMA, "Unknown pragma \'%s\'", qcc_token);
}
return true;
}
return false;
}
/*
==============
PR_NewLine
Call at start of file and when *pr_file_p == '\n'
==============
*/
void QCC_PR_NewLine (pbool incomment)
{
pr_source_line++;
pr_line_start = pr_file_p;
while(*pr_file_p==' ' || *pr_file_p == '\t')
pr_file_p++;
if (incomment) //no constants if in a comment.
{
}
else if (QCC_PR_Precompiler())
{
}
// if (pr_dumpasm)
// PR_PrintNextLine ();
}
/*
==============
PR_LexString
Parses a quoted string
==============
*/
#if 0
void QCC_PR_LexString (void)
{
int c;
int len;
char tmpbuf[2048];
char *text;
char *oldf;
int oldline;
bool fromfile = true;
len = 0;
text = pr_file_p;
do
{
QCC_COM_Parse(text);
// print("Next token is \"%s\"\n", com_token);
if (*text == '\"')
{
text++;
if (fromfile) pr_file_p++;
}
do
{
c = *text++;
if (fromfile) pr_file_p++;
if (!c)
QCC_PR_ParseError ("EOF inside quote");
if (c=='\n')
QCC_PR_ParseError ("newline inside quote");
if (c=='\\')
{ // escape char
c = *text++;
if (fromfile) pr_file_p++;
if (!c)
QCC_PR_ParseError ("EOF inside quote");
if (c == 'n')
c = '\n';
else if (c == '"')
c = '"';
else if (c == '\\')
c = '\\';
else
QCC_PR_ParseError ("Unknown escape char");
}
else if (c=='\"')
{
if (fromfile) pr_file_p++;
break;
}
tmpbuf[len] = c;
len++;
} while (1);
tmpbuf[len] = 0;
// if (fromfile) pr_file_p++;
pr_immediate_type=NULL;
oldline=pr_source_line;
oldf=pr_file_p;
QCC_PR_Lex();
if (pr_immediate_type == &type_string)
{
// print("Appending \"%s\" to \"%s\"\n", pr_immediate_string, tmpbuf);
strcat(tmpbuf, pr_immediate_string);
len+=strlen(pr_immediate_string);
}
else
{
pr_source_line = oldline;
pr_file_p = oldf-1;
QCC_PR_LexWhitespace();
if (*pr_file_p != '\"') //annother string
break;
}
QCC_PR_LexWhitespace();
text = pr_file_p;
} while (1);
strcpy(pr_token, tmpbuf);
pr_token_type = tt_immediate;
pr_immediate_type = &type_string;
strcpy (pr_immediate_string, pr_token);
// print("Found \"%s\"\n", pr_immediate_string);
}
#else
void QCC_PR_LexString (void)
{
int c;
int len = 0;
char *end, *cnst;
int raw;
char rawdelim[64];
unsigned int code;
int texttype;
pbool first = true;
for(;;)
{
raw = 0;
texttype = 0;
QCC_PR_LexWhitespace(false);
if (*pr_file_p == 'R' && pr_file_p[1] == '\"')
{
/*R"delim(fo
o)delim" -> "fo\no"
the []
*/
raw = 1;
pr_file_p+=2;
while (1)
{
c = *pr_file_p++;
if (c == '(')
{
rawdelim[0] = ')';
break;
}
if (!c || raw >= sizeof(rawdelim)-1)
QCC_PR_ParseError (ERR_EOF, "EOF while parsing raw string delimiter. Expected: R\"delim(string)delim\"");
rawdelim[raw++] = c;
}
rawdelim[raw++] = '\"';
//these two conditions are generally part of the C preprocessor.
if (!strncmp(pr_file_p, "\\\r\n", 3))
{ //dos format
pr_file_p += 3;
pr_source_line++;
}
else if (!strncmp(pr_file_p, "\\\r", 2) || !strncmp(pr_file_p, "\\\n", 2))
{ //mac + unix format
pr_file_p += 2;
pr_source_line++;
}
}
else if (*pr_file_p == '\"')
pr_file_p++;
else if (first)
QCC_PR_ParseError(ERR_BADCHARACTERCODE, "Expected string constant");
else
break;
first = false;
for(;;)
{
c = *pr_file_p++;
if (!c)
QCC_PR_ParseError (ERR_EOF, "EOF inside quote");
if (!qccwarningaction[WARN_NOTUTF8] && c < 0 && utf8_check(&pr_token[c-1], &code))
{
//convert 0xe000 private-use area to quake's charset (if they don't have the utf-8 warning enabled)
//note: this may have a small false-positive risk.
if (code >= 0xe000 && code <= 0xe0ff)
pr_file_p += utf8_check(&pr_token[c-1], &code)-1;
}
/* //these two conditions are generally part of the C preprocessor.
if (c == '\\' && *pr_file_p == '\r' && pr_file_p[1] == '\n')
{ //dos format
pr_file_p += 2;
pr_source_line++;
continue;
}
if (c == '\\' && (*pr_file_p == '\r' || pr_file_p[1] == '\n'))
{ //mac + unix format
pr_file_p += 1;
pr_source_line++;
continue;
}
*/
if (raw)
{
//raw strings contain very little parsing. just delimiter and initial \NL support.
if (c == rawdelim[0] && !strncmp(pr_file_p, rawdelim+1, raw-1))
{
pr_file_p += raw-1;
break;
}
//make sure line numbers are correct
if (c == '\r' && *pr_file_p != '\n')
pr_source_line++; //mac
if (c == '\n') //dos/unix
pr_source_line++;
}
else
{
if (c=='\n')
QCC_PR_ParseError (ERR_INVALIDSTRINGIMMEDIATE, "newline inside quote");
if (c=='\\')
{ // escape char
c = *pr_file_p++;
if (!c)
QCC_PR_ParseError (ERR_EOF, "EOF inside quote");
if (c == 'n')
c = '\n';
else if (c == 'r')
c = '\r';
else if (c == '"')
c = '"';
else if (c == 't')
c = '\t'; //tab
else if (c == 'a')
c = '\a'; //bell
else if (c == 'v')
c = '\v'; //vertical tab
else if (c == 'f')
c = '\f'; //form feed
else if (c == 's' || c == 'b')
{
texttype ^= 128;
continue;
}
//else if (c == 'b')
// c = '\b';
else if (c == '[')
c = 16; //quake specific
else if (c == ']')
c = 17; //quake specific
else if (c == '{')
{
int d;
c = 0;
while ((d = *pr_file_p++) != '}')
{
c = c * 10 + d - '0';
if (d < '0' || d > '9' || c > 255)
QCC_PR_ParseError(ERR_BADCHARACTERCODE, "Bad character code");
}
}
else if (c == '.')
c = 0x1c | texttype;
else if (c == '<')
c = 29;
else if (c == '-')
c = 30;
else if (c == '>')
c = 31;
else if (c == 'u' || c == 'U')
{
//lower case u specifies exactly 4 nibbles.
//upper case U specifies variable length. terminate with a double-doublequote pair, or some other non-hex char.
int count = 0;
unsigned long d;
unsigned long unicode;
unicode = 0;
for(;;)
{
d = (unsigned char)*pr_file_p;
if (d >= '0' && d <= '9')
unicode = (unicode*16) + (d - '0');
else if (d >= 'A' && d <= 'F')
unicode = (unicode*16) + (d - 'A') + 10;
else if (d >= 'a' && d <= 'f')
unicode = (unicode*16) + (d - 'a') + 10;
else
break;
count++;
pr_file_p++;
}
if (!count || ((c=='u')?(count!=4):(count>8)) || unicode > 0x10FFFFu) //RFC 3629 imposes the same limit as UTF-16 surrogate pairs.
QCC_PR_ParseWarning(ERR_BADCHARACTERCODE, "Bad unicode character code");
//figure out the count of bytes required to encode this char
count = 1;
d = 0x7f;
while (unicode > d)
{
count++;
d = (d<<5) | 0x1f;
}
//error if needed
if (len+count >= sizeof(pr_token))
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %i", sizeof(pr_token)-1);
//output it.
if (count == 1)
pr_token[len++] = (unsigned char)(c&0x7f);
else
{
c = count*6;
pr_token[len++] = (unsigned char)((unicode>>c)&(0x0000007f>>count)) | (0xffffff00 >> count);
do
{
c = c-6;
pr_token[len++] = (unsigned char)((unicode>>c)&0x3f) | 0x80;
}
while(c);
}
continue;
}
else if (c == 'x' || c == 'X')
{
int d;
c = 0;
d = (unsigned char)*pr_file_p++;
if (d >= '0' && d <= '9')
c += d - '0';
else if (d >= 'A' && d <= 'F')
c += d - 'A' + 10;
else if (d >= 'a' && d <= 'f')
c += d - 'a' + 10;
else
QCC_PR_ParseError(ERR_BADCHARACTERCODE, "Bad character code");
c *= 16;
d = (unsigned char)*pr_file_p++;
if (d >= '0' && d <= '9')
c += d - '0';
else if (d >= 'A' && d <= 'F')
c += d - 'A' + 10;
else if (d >= 'a' && d <= 'f')
c += d - 'a' + 10;
else
QCC_PR_ParseError(ERR_BADCHARACTERCODE, "Bad character code");
}
else if (c == '\\')
c = '\\';
else if (c == '\'')
c = '\'';
else if (c >= '0' && c <= '9') //WARNING: This is not octal, but uses 'yellow' numbers instead (as on hud).
c = 18 + c - '0';
else if (c == '\r')
{ //sigh
c = *pr_file_p++;
if (c != '\n')
QCC_PR_ParseWarning(WARN_HANGINGSLASHR, "Hanging \\\\\r");
pr_source_line++;
}
else if (c == '\n')
{ //sigh
pr_source_line++;
}
else
QCC_PR_ParseError (ERR_INVALIDSTRINGIMMEDIATE, "Unknown escape char %c", c);
}
else if (c=='\"')
{
break;
}
else if (c == '#')
{
for (end = pr_file_p; ; end++)
{
if (qcc_iswhite(*end))
break;
if (*end == ')'
|| *end == '('
|| *end == '+'
|| *end == '-'
|| *end == '*'
|| *end == '/'
|| *end == '\\'
|| *end == '|'
|| *end == '&'
|| *end == '='
|| *end == '^'
|| *end == '~'
|| *end == '['
|| *end == ']'
|| *end == '\"'
|| *end == '{'
|| *end == '}'
|| *end == ';'
|| *end == ':'
|| *end == ','
|| *end == '.'
|| *end == '#')
break;
}
c = *end;
*end = '\0';
cnst = QCC_PR_CheckCompConstString(pr_file_p);
if (cnst==pr_file_p)
cnst=NULL;
*end = c;
c = '#'; //undo
if (cnst)
{
QCC_PR_ParseWarning(WARN_MACROINSTRING, "Macro expansion in string");
if (len+strlen(cnst) >= sizeof(pr_token)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %i", sizeof(pr_token)-1);
strcpy(pr_token+len, cnst);
len+=strlen(cnst);
pr_file_p = end;
continue;
}
}
else if (c == 0x7C && flag_acc) //reacc support... reacc is strange.
c = '\n';
else
c |= texttype;
}
if (len >= sizeof(pr_token)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %i", sizeof(pr_token)-1);
pr_token[len] = c;
len++;
}
}
if (len > sizeof(pr_immediate_string)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %i", sizeof(pr_immediate_string)-1);
pr_token[len] = 0;
pr_token_type = tt_immediate;
pr_immediate_type = type_string;
strcpy (pr_immediate_string, pr_token);
if (qccwarningaction[WARN_NOTUTF8])
{
for (c = 0; pr_token[c]; c++)
{
len = utf8_check(&pr_token[c], &code);
if (!len)
{
QCC_PR_ParseWarning(WARN_NOTUTF8, "String constant is not valid utf-8");
break;
}
}
}
}
#endif
/*
==============
PR_LexNumber
==============
*/
int QCC_PR_LexInteger (void)
{
int c;
int len;
len = 0;
c = *pr_file_p;
if (pr_file_p[0] == '0' && pr_file_p[1] == 'x')
{
pr_token[0] = '0';
pr_token[1] = 'x';
len = 2;
c = *(pr_file_p+=2);
}
do
{
pr_token[len] = c;
len++;
pr_file_p++;
c = *pr_file_p;
} while ((c >= '0' && c<= '9') || (c == '.'&&pr_file_p[1]!='.') || (c>='a' && c <= 'f'));
pr_token[len] = 0;
return atoi (pr_token);
}
void QCC_PR_LexNumber (void)
{
int tokenlen = 0;
int num=0;
int base=0;
int c;
int sign=1;
if (*pr_file_p == '-')
{
sign=-1;
pr_file_p++;
pr_token[tokenlen++] = '-';
}
if (pr_file_p[0] == '0' && pr_file_p[1] == 'x')
{
pr_file_p+=2;
base = 16;
pr_token[tokenlen++] = '0';
pr_token[tokenlen++] = 'x';
}
pr_immediate_type = NULL;
//assume base 10 if not stated
if (!base)
base = 10;
while((c = *pr_file_p))
{
if (c >= '0' && c <= '9')
{
pr_token[tokenlen++] = c;
num*=base;
num += c-'0';
}
else if (c >= 'a' && c <= 'f' && base > 10)
{
pr_token[tokenlen++] = c;
num*=base;
num += c -'a'+10;
}
else if (c >= 'A' && c <= 'F' && base > 10)
{
pr_token[tokenlen++] = c;
num*=base;
num += c -'A'+10;
}
else if (c == '.' && pr_file_p[1]!='.')
{
pr_token[tokenlen++] = c;
pr_file_p++;
pr_immediate_type = type_float;
while(1)
{
c = *pr_file_p;
if (c >= '0' && c <= '9')
{
pr_token[tokenlen++] = c;
}
else if (c == 'f')
{
pr_file_p++;
break;
}
else
{
break;
}
pr_file_p++;
}
pr_token[tokenlen++] = 0;
pr_immediate._float = (float)atof(pr_token);
return;
}
else if (c == 'f')
{
pr_token[tokenlen++] = c;
pr_token[tokenlen++] = 0;
pr_file_p++;
pr_immediate_type = type_float;
pr_immediate._float = num*sign;
return;
}
else if (c == 'i')
{
pr_token[tokenlen++] = c;
pr_token[tokenlen++] = 0;
pr_file_p++;
pr_immediate_type = type_integer;
pr_immediate._int = num*sign;
return;
}
else
break;
pr_file_p++;
}
pr_token[tokenlen++] = 0;
if (!pr_immediate_type)
{
if (flag_assume_integer)
pr_immediate_type = type_integer;
else
pr_immediate_type = type_float;
}
if (pr_immediate_type == type_integer)
{
pr_immediate_type = type_integer;
pr_immediate._int = num*sign;
}
else
{
pr_immediate_type = type_float;
// at this point, we know there's no . in it, so the NaN bug shouldn't happen
// and we cannot use atof on tokens like 0xabc, so use num*sign, it SHOULD be safe
//pr_immediate._float = atof(pr_token);
pr_immediate._float = (float)(num*sign);
}
}
float QCC_PR_LexFloat (void)
{
int c;
int len;
len = 0;
c = *pr_file_p;
do
{
pr_token[len] = c;
len++;
pr_file_p++;
c = *pr_file_p;
} while ((c >= '0' && c<= '9') || (c == '.'&&pr_file_p[1]!='.')); //only allow a . if the next isn't too...
if (*pr_file_p == 'f')
pr_file_p++;
pr_token[len] = 0;
return (float)atof (pr_token);
}
/*
==============
PR_LexVector
Parses a single quoted vector
==============
*/
void QCC_PR_LexVector (void)
{
int i;
pr_file_p++;
if (*pr_file_p == '\\')
{//extended character constant
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
pr_file_p++;
switch(*pr_file_p)
{
case 'n':
pr_immediate._float = '\n';
break;
case 'r':
pr_immediate._float = '\r';
break;
case 't':
pr_immediate._float = '\t';
break;
case '\'':
pr_immediate._float = '\'';
break;
case '\"':
pr_immediate._float = '\"';
break;
case '\\':
pr_immediate._float = '\\';
break;
default:
QCC_PR_ParseError (ERR_INVALIDVECTORIMMEDIATE, "Bad character constant");
}
pr_file_p++;
if (*pr_file_p != '\'')
QCC_PR_ParseError (ERR_INVALIDVECTORIMMEDIATE, "Bad character constant");
pr_file_p++;
return;
}
if (pr_file_p[1] == '\'')
{//character constant
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
pr_immediate._float = pr_file_p[0];
pr_file_p+=2;
return;
}
pr_token_type = tt_immediate;
pr_immediate_type = type_vector;
QCC_PR_LexWhitespace (false);
for (i=0 ; i<3 ; i++)
{
pr_immediate.vector[i] = QCC_PR_LexFloat ();
QCC_PR_LexWhitespace (false);
if (*pr_file_p == '\'' && i == 1)
{
if (i < 2)
QCC_PR_ParseWarning (WARN_FTE_SPECIFIC, "Bad vector");
for (i++ ; i<3 ; i++)
pr_immediate.vector[i] = 0;
break;
}
}
if (*pr_file_p != '\'')
QCC_PR_ParseError (ERR_INVALIDVECTORIMMEDIATE, "Bad vector");
pr_file_p++;
}
/*
==============
PR_LexName
Parses an identifier
==============
*/
void QCC_PR_LexName (void)
{
unsigned int c;
int len;
len = 0;
do
{
int b = utf8_check(pr_file_p, &c);
if (!b)
{
unsigned char lead = *pr_file_p++;
char *o;
while(*pr_file_p && !utf8_check(pr_file_p, &c))
pr_file_p++;
o = pr_file_p;
while (qcc_iswhite(*pr_file_p))
{
if (*pr_file_p == '\n')
break;
pr_file_p++;
}
if (*pr_file_p == '\n')
QCC_PR_ParseError(ERR_NOTANAME, "Invalid UTF-8 code sequence at end of line. Lead byte was %#2x", lead);
else
{
len = 0;
while (*pr_file_p && !qcc_iswhite(*pr_file_p))
pr_token[len++] = *pr_file_p++;
pr_token[len++] = 0;
pr_file_p = o;
QCC_PR_ParseError(ERR_NOTANAME, "Invalid UTF-8 code sequence before %s. Lead byte was %#2x", pr_token, lead);
}
return;
}
while(b-->0)
{
pr_token[len] = *pr_file_p++;
len++;
}
c = *pr_file_p;
} while ( (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_'
|| (c >= '0' && c <= '9') || c & 0x80);
pr_token[len] = 0;
pr_token_type = tt_name;
}
/*
==============
PR_LexPunctuation
==============
*/
void QCC_PR_LexPunctuation (void)
{
int i;
int len;
char *p;
pr_token_type = tt_punct;
for (i=0 ; (p = pr_punctuation[i]) != NULL ; i++)
{
len = strlen(p);
if (!strncmp(p, pr_file_p, len) )
{
strcpy (pr_token, pr_punctuationremap[i]);
if (p[0] == '{')
pr_bracelevel++;
else if (p[0] == '}')
pr_bracelevel--;
pr_file_p += len;
return;
}
}
if ((unsigned char)*pr_file_p == (unsigned char)0xa0)
QCC_PR_ParseWarning (ERR_UNKNOWNPUCTUATION, "Unknown punctuation: '\\x%x' - non-breaking space", (unsigned char)*pr_file_p);
else
QCC_PR_ParseWarning (ERR_UNKNOWNPUCTUATION, "Unknown punctuation: '\\x%x'", *pr_file_p);
pr_file_p++;
QCC_PR_Lex();
}
/*
==============
PR_LexWhitespace
==============
*/
void QCC_PR_LexWhitespace (pbool inhibitpreprocessor)
{
int c;
while (1)
{
// skip whitespace
while ((c = *pr_file_p) && qcc_iswhite(c))
{
if (c=='\n')
{
pr_file_p++;
if (!inhibitpreprocessor)
QCC_PR_NewLine (false);
else
pr_source_line++;
if (!pr_file_p)
return;
}
else
pr_file_p++;
}
if (c == 0)
return; // end of file
// skip // comments
if (c=='/' && pr_file_p[1] == '/')
{
while (*pr_file_p && *pr_file_p != '\n')
pr_file_p++;
if (*pr_file_p == '\n')
pr_file_p++; //don't break on eof.
if (!inhibitpreprocessor)
QCC_PR_NewLine(false);
else
pr_source_line++;
continue;
}
// skip /* */ comments
if (c=='/' && pr_file_p[1] == '*')
{
pr_file_p+=1;
do
{
pr_file_p++;
if (pr_file_p[0]=='\n')
{
if (!inhibitpreprocessor)
QCC_PR_NewLine(true);
else
pr_source_line++;
}
if (pr_file_p[1] == 0)
{
QCC_PR_ParseError(0, "EOF inside comment\n");
pr_file_p++;
return;
}
} while (pr_file_p[0] != '*' || pr_file_p[1] != '/');
pr_file_p+=2;
continue;
}
break; // a real character has been found
}
}
//============================================================================
#define MAX_FRAMES 8192
char pr_framemodelname[64];
char pr_framemacros[MAX_FRAMES][64];
int pr_framemacrovalue[MAX_FRAMES];
int pr_nummacros, pr_oldmacros;
int pr_macrovalue;
int pr_savedmacro;
void QCC_PR_ClearGrabMacros (pbool newfile)
{
if (!newfile)
pr_nummacros = 0;
pr_oldmacros = pr_nummacros;
pr_macrovalue = 0;
pr_savedmacro = -1;
}
int QCC_PR_FindMacro (char *name)
{
int i;
for (i=pr_nummacros-1 ; i>=0 ; i--)
{
if (!STRCMP (name, pr_framemacros[i]))
{
return pr_framemacrovalue[i];
}
}
for (i=pr_nummacros-1 ; i>=0 ; i--)
{
if (!stricmp (name, pr_framemacros[i]))
{
QCC_PR_ParseWarning(WARN_CASEINSENSITIVEFRAMEMACRO, "Case insensitive frame macro");
return pr_framemacrovalue[i];
}
}
return -1;
}
void QCC_PR_ExpandMacro(void)
{
int i = QCC_PR_FindMacro(pr_token);
if (i < 0)
QCC_PR_ParseError (ERR_BADFRAMEMACRO, "Unknown frame macro $%s", pr_token);
QC_snprintfz(pr_token, sizeof(pr_token),"%d", i);
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
pr_immediate._float = (float)i;
}
// just parses text, returning false if an eol is reached
pbool QCC_PR_SimpleGetToken (void)
{
int c;
int i;
pr_token[0] = 0;
// skip whitespace
while ((c = *pr_file_p) && qcc_iswhite(c))
{
if (c=='\n')
return false;
pr_file_p++;
}
if (c == 0) //eof
return false;
if (pr_file_p[0] == '/')
{
if (pr_file_p[1] == '/')
{ //comment alert
while(*pr_file_p && *pr_file_p != '\n')
pr_file_p++;
return false;
}
if (pr_file_p[1] == '*')
return false;
}
i = 0;
while ((c = *pr_file_p) && !qcc_iswhite(c) && c != ',' && c != ';' && c != ')' && c != '(' && c != ']' && !(c == '/' && pr_file_p[1] == '/'))
{
if (i == sizeof(qcc_token)-1)
QCC_Error (ERR_INTERNAL, "token exceeds %i chars", i);
pr_token[i] = c;
i++;
pr_file_p++;
}
pr_token[i] = 0;
return i!=0;
}
pbool QCC_PR_LexMacroName(void)
{
int c;
int i;
pr_token[0] = 0;
// skip whitespace
while ((c = *pr_file_p) && qcc_iswhite(c))
{
if (c=='\n')
return false;
pr_file_p++;
}
if (!c)
return false;
if (pr_file_p[0] == '/')
{
if (pr_file_p[1] == '/')
{ //comment alert
while(*pr_file_p && *pr_file_p != '\n')
pr_file_p++;
return false;
}
if (pr_file_p[1] == '*')
return false;
}
i = 0;
while ( (c = *pr_file_p) > ' ' && c != '\n' && c != ',' && c != ';' && c != '&' && c != '|' && c != ')' && c != '(' && c != ']' && !(pr_file_p[0] == '.' && pr_file_p[1] == '.'))
{
if (i == sizeof(qcc_token)-1)
QCC_Error (ERR_INTERNAL, "token exceeds %i chars", i);
pr_token[i] = c;
i++;
pr_file_p++;
}
pr_token[i] = 0;
return i!=0;
}
void QCC_PR_MacroFrame(char *name, int value)
{
int i;
for (i=pr_nummacros-1 ; i>=0 ; i--)
{
if (!STRCMP (name, pr_framemacros[i]))
{
pr_framemacrovalue[i] = value;
if (i>=pr_oldmacros)
QCC_PR_ParseWarning(WARN_DUPLICATEMACRO, "Duplicate macro defined (%s)", pr_token);
//else it's from an old file, and shouldn't be mentioned.
return;
}
}
if (strlen(name)+1 > sizeof(pr_framemacros[0]))
QCC_PR_ParseWarning(ERR_TOOMANYFRAMEMACROS, "Name for frame macro %s is too long", name);
else
{
strcpy (pr_framemacros[pr_nummacros], name);
pr_framemacrovalue[pr_nummacros] = value;
pr_nummacros++;
if (pr_nummacros >= MAX_FRAMES)
QCC_PR_ParseError(ERR_TOOMANYFRAMEMACROS, "Too many frame macros defined");
}
}
void QCC_PR_ParseFrame (void)
{
while (QCC_PR_LexMacroName ())
{
QCC_PR_MacroFrame(pr_token, pr_macrovalue++);
}
}
/*
==============
PR_LexGrab
Deals with counting sequence numbers and replacing frame macros
==============
*/
void QCC_PR_LexGrab (void)
{
pr_file_p++; // skip the $
// if (!QCC_PR_SimpleGetToken ())
// QCC_PR_ParseError ("hanging $");
if (qcc_iswhite(*pr_file_p))
QCC_PR_ParseError (ERR_BADFRAMEMACRO, "hanging $");
QCC_PR_LexMacroName();
if (!*pr_token)
QCC_PR_ParseError (ERR_BADFRAMEMACRO, "hanging $");
// check for $frame
if (!STRCMP (pr_token, "frame") || !STRCMP (pr_token, "framesave"))
{
QCC_PR_ParseFrame ();
QCC_PR_Lex ();
}
// ignore other known $commands - just for model/spritegen
else if (!STRCMP (pr_token, "cd")
|| !STRCMP (pr_token, "origin")
|| !STRCMP (pr_token, "base")
|| !STRCMP (pr_token, "flags")
|| !STRCMP (pr_token, "scale")
|| !STRCMP (pr_token, "skin") )
{ // skip to end of line
while (QCC_PR_LexMacroName ())
;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "flush"))
{
QCC_PR_ClearGrabMacros(true);
while (QCC_PR_LexMacroName ())
;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "framevalue"))
{
QCC_PR_LexMacroName ();
pr_macrovalue = atoi(pr_token);
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "framerestore"))
{
QCC_PR_LexMacroName ();
QCC_PR_ExpandMacro();
pr_macrovalue = (int)pr_immediate._float;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "modelname"))
{
int i;
QCC_PR_LexMacroName ();
if (*pr_framemodelname)
QCC_PR_MacroFrame(pr_framemodelname, pr_macrovalue);
QC_strlcpy(pr_framemodelname, pr_token, sizeof(pr_framemodelname));
i = QCC_PR_FindMacro(pr_framemodelname);
if (i)
pr_macrovalue = i;
else
i = 0;
QCC_PR_Lex ();
}
// look for a frame name macro
else
QCC_PR_ExpandMacro ();
}
//===========================
//compiler constants - dmw
pbool QCC_PR_UndefineName(char *name)
{
// int a;
CompilerConstant_t *c;
c = pHash_Get(&compconstantstable, name);
if (!c)
{
QCC_PR_ParseWarning(WARN_UNDEFNOTDEFINED, "Precompiler constant %s was not defined", name);
return false;
}
Hash_Remove(&compconstantstable, name);
return true;
}
CompilerConstant_t *QCC_PR_DefineName(char *name)
{
int i;
CompilerConstant_t *cnst;
// if (numCompilerConstants >= MAX_CONSTANTS)
// QCC_PR_ParseError("Too many compiler constants - %i >= %i", numCompilerConstants, MAX_CONSTANTS);
if (strlen(name) >= MAXCONSTANTNAMELENGTH || !*name)
QCC_PR_ParseError(ERR_NAMETOOLONG, "Compiler constant name length is too long or short");
cnst = pHash_Get(&compconstantstable, name);
if (cnst)
{
QCC_PR_ParseWarning(WARN_DUPLICATEDEFINITION, "Duplicate definition for Precompiler constant %s", name);
Hash_Remove(&compconstantstable, name);
}
cnst = qccHunkAlloc(sizeof(CompilerConstant_t));
cnst->used = false;
cnst->numparams = -1;
cnst->evil = false;
strcpy(cnst->name, name);
cnst->namelen = strlen(name);
cnst->value = cnst->name + strlen(cnst->name);
for (i = 0; i < MAXCONSTANTPARAMS; i++)
cnst->params[i][0] = '\0';
pHash_Add(&compconstantstable, cnst->name, cnst, qccHunkAlloc(sizeof(bucket_t)));
return cnst;
}
void QCC_PR_Undefine(void)
{
QCC_PR_SimpleGetToken ();
QCC_PR_UndefineName(pr_token);
// QCC_PR_ParseError("%s was not defined.", pr_token);
}
void QCC_PR_PreProcessor_Define(pbool append)
{
char *d;
char *dbuf;
int dbuflen;
char *s;
int quote=false;
pbool preprocessorhack = false;
CompilerConstant_t *cnst, *oldcnst;
QCC_PR_SimpleGetToken ();
if (!QCC_PR_SimpleGetToken ())
QCC_PR_ParseError(ERR_NONAME, "No name defined for compiler constant");
oldcnst = pHash_Get(&compconstantstable, pr_token);
if (oldcnst)
Hash_Remove(&compconstantstable, oldcnst->name);
cnst = QCC_PR_DefineName(pr_token);
if (*pr_file_p == '(')
{
cnst->numparams = 0;
pr_file_p++;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
s = pr_file_p;
for (;;)
{
if (*pr_file_p == ',' || *pr_file_p == ')')
{
int nl;
nl = pr_file_p-s;
while(qcc_iswhitesameline(s[nl]))
nl--;
if (cnst->numparams >= MAXCONSTANTPARAMS)
QCC_PR_ParseError(ERR_MACROTOOMANYPARMS, "May not have more than %i parameters to a macro", MAXCONSTANTPARAMS);
if (nl >= MAXCONSTANTPARAMLENGTH)
QCC_PR_ParseError(ERR_MACROTOOMANYPARMS, "parameter name is too long (max %i)", MAXCONSTANTPARAMLENGTH);
if (nl == 3 && s[0] == '.' && s[1] == '.' && s[2] == '.')
{
cnst->varg = true;
if (*pr_file_p != ')')
QCC_PR_ParseError(ERR_MACROTOOMANYPARMS, "varadic argument must be last");
}
else
{
memcpy(cnst->params[cnst->numparams], s, nl);
cnst->params[cnst->numparams][nl] = '\0';
cnst->numparams++;
}
if (*pr_file_p++ == ')')
break;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
s = pr_file_p;
}
if(!*pr_file_p++)
{
QCC_PR_ParseError(ERR_EXPECTED, "missing ) in macro parameter list");
break;
}
}
}
else cnst->numparams = -1;
//disable append mode if they're trying to do something stupid
if (append)
{
if (!oldcnst)
append = false; //append with no previous define is treated as just a regular define. huzzah.
else if (cnst->numparams != oldcnst->numparams || cnst->varg != oldcnst->varg)
{
QCC_PR_ParseWarning(WARN_DUPLICATEPRECOMPILER, "different number of macro arguments in macro append");
append = false;
}
else
{
int i;
//arguments need to be specified, if only so that appends with arguments are still vaugely readable.
//argument names need to match because the expansion is too lame to cope if they're different.
for (i = 0; i < cnst->numparams; i++)
{
if (strcmp(cnst->params[i], oldcnst->params[i]))
break;
}
if (i < cnst->numparams)
{
QCC_PR_ParseWarning(WARN_DUPLICATEPRECOMPILER, "arguments differ in macro append");
append = false;
}
else
append = true;
}
}
s = pr_file_p;
d = dbuf = NULL;
dbuflen = 0;
if (append)
{
//start with the old value
int olen = strlen(oldcnst->value);
dbuflen = olen + 128;
dbuf = qccHunkAlloc(dbuflen);
memcpy(dbuf, oldcnst->value, olen);
d = dbuf + olen;
*d++ = ' ';
}
while(*s == ' ' || *s == '\t')
s++;
while(1)
{
if ((d - dbuf) + 2 >= dbuflen)
{
int len = d - dbuf;
dbuflen = (len+128) * 2;
dbuf = qccHunkAlloc(dbuflen);
memcpy(dbuf, d - len, len);
d = dbuf + len;
}
if( *s == '\\' )
{
// read over a newline if necessary
if( s[1] == '\n' || s[1] == '\r' )
{
char *exploitcheck;
s++;
QCC_PR_NewLine(false);
s++;
if( s[-1] == '\r' && s[0] == '\n' )
{
s++;
}
/*
This began as a bug. It is still evil, but its oh so useful.
In C,
#define foobar \
foo\
bar\
moo
becomes foobarmoo, not foo\nbar\nmoo
#define hacks however, require that it becomes
foo\nbar\nmoo
# cannot be used on the first line of the macro, and then is only valid as the first non-white char of the following lines
so if present, the preceeding \\\n and following \\\n must become an actual \n instead of being stripped.
*/
for (exploitcheck = s; *exploitcheck && qcc_iswhite(*exploitcheck); exploitcheck++)
;
if (*exploitcheck == '#')
{
*d++ = '\n';
if (!cnst->evil)
QCC_PR_ParseWarning(WARN_EVILPREPROCESSOR, "preprocessor directive within preprocessor macro %s", cnst->name);
cnst->evil = true;
preprocessorhack = true;
}
else if (preprocessorhack)
{
*d++ = '\n';
preprocessorhack = false;
}
}
}
else if(*s == '\r' || *s == '\n' || *s == '\0')
{
break;
}
if (!quote && s[0]=='/'&&s[1]=='/')
break; //c++ style comments can just be ignored
if (!quote && s[0]=='/'&&s[1]=='*')
{ //multi-line c style comments become part of the define itself. this also negates the need for \ at the end of lines.
//although we don't bother embedding.
s+=2;
for(;;)
{
if (!s[0])
{
QCC_PR_ParseWarning(WARN_DUPLICATEPRECOMPILER, "EOF inside quote in define %s", cnst->name);
break;
}
if (s[0]=='*'&&s[1]=='/')
{
s+=2;
break;
}
if (s[0] == '\n')
pr_source_line++;
s++;
}
continue;
}
if (*s == '\"')
quote=!quote;
*d = *s;
d++;
s++;
}
*d = '\0';
cnst->value = dbuf;
if (oldcnst && !append)
{ //we always warn if it was already defined
//we use different warning codes so that -Wno-mundane can be used to ignore identical redefinitions.
if (strcmp(oldcnst->value, cnst->value))
QCC_PR_ParseWarning(WARN_DUPLICATEPRECOMPILER, "Alternate precompiler definition of %s", pr_token);
else
QCC_PR_ParseWarning(WARN_IDENTICALPRECOMPILER, "Identical precompiler definition of %s", pr_token);
}
pr_file_p = s;
}
/* *buffer, *bufferlen and *buffermax should be NULL/0 at the start */
static void QCC_PR_ExpandStrCat(char **buffer, size_t *bufferlen, size_t *buffermax, char *newdata, size_t newlen)
{
size_t newmax = *bufferlen + newlen;
if (newmax < *bufferlen)//check for overflow
{
QCC_PR_ParseWarning(ERR_INTERNAL, "exceeds 4gb");
return;
}
if (newmax > *buffermax)
{
char *newbuf;
if (newmax < 64)
newmax = 64;
if (newmax < *bufferlen * 2)
{
newmax = *bufferlen * 2;
if (newmax < *bufferlen) /*overflowed?*/
{
QCC_PR_ParseWarning(ERR_INTERNAL, "exceeds 4gb");
return;
}
}
newbuf = realloc(*buffer, newmax);
if (!newbuf)
{
QCC_PR_ParseWarning(ERR_INTERNAL, "out of memory");
return; /*OOM*/
}
*buffer = newbuf;
*buffermax = newmax;
}
memcpy(*buffer + *bufferlen, newdata, newlen);
*bufferlen += newlen;
/*no null terminator, remember to cat one if required*/
}
static char *QCC_PR_CheckBuiltinCompConst(char *constname, char *retbuf, size_t retbufsize)
{
if (!strcmp(constname, "__TIME__"))
{
time_t long_time;
time( &long_time );
strftime( retbuf, retbufsize, "\"%H:%M\"", localtime( &long_time ));
return retbuf;
}
if (!strcmp(constname, "__DATE__"))
{
time_t long_time;
time( &long_time );
strftime( retbuf, retbufsize, "\"%a %d %b %Y\"", localtime( &long_time ));
return retbuf;
}
if (!strcmp(constname, "__RAND__"))
{
QC_snprintfz(retbuf, retbufsize, "%i", rand());
return retbuf;
}
if (!strcmp(constname, "__QCCVER__"))
{
return "FTEQCC "__DATE__","__TIME__"";
}
if (!strcmp(constname, "__FILE__"))
{
QC_snprintfz(retbuf, retbufsize, "\"%s\"", strings + s_file);
return retbuf;
}
if (!strcmp(constname, "__LINE__"))
{
QC_snprintfz(retbuf, retbufsize, "%i", pr_source_line);
return retbuf;
}
if (!strcmp(constname, "__LINESTR__"))
{
QC_snprintfz(retbuf, retbufsize, "\"%i\"", pr_source_line);
return retbuf;
}
if (!strcmp(constname, "__FUNC__"))
{
QC_snprintfz(retbuf, retbufsize, "\"%s\"",pr_scope?pr_scope->name:"<NO FUNCTION>");
return retbuf;
}
if (!strcmp(constname, "__NULL__"))
{
return "0i";
}
return NULL; //didn't match
}
#define PASTE2(a,b) a##b
#define PASTE(a,b) PASTE2(a,b)
#define STRINGIFY2(a) #a
#define STRINGIFY(a) STRINGIFY2(a)
#define spam(x) /*static float PASTE(spam,__LINE__);*/ if (PASTE2(spam,__LINE__) != x) {dprint(#x " chaned in " __FILE__ " on line " STRINGIFY2(__LINE__) "\n"); PASTE2(spam,__LINE__) = x;}
#define dprint printf
int QCC_PR_CheckCompConst(void)
{
char *oldpr_file_p = pr_file_p;
int whitestart = 5;
CompilerConstant_t *c;
char *end, *tok;
char retbuf[256];
// spam(whitestart);
for (end = pr_file_p; ; end++)
{
if (!*end || qcc_iswhite(*end))
break;
if (*end == ')'
|| *end == '('
|| *end == '+'
|| *end == '-'
|| *end == '*'
|| *end == '/'
|| *end == '|'
|| *end == '&'
|| *end == '='
|| *end == '^'
|| *end == '~'
|| *end == '['
|| *end == ']'
|| *end == '\"'
|| *end == '{'
|| *end == '}'
|| *end == ';'
|| *end == ':'
|| *end == ','
|| *end == '.'
|| *end == '#')
break;
}
QC_strnlcpy(pr_token, pr_file_p, end-pr_file_p, sizeof(pr_token));
// printf("%s\n", pr_token);
c = pHash_Get(&compconstantstable, pr_token);
if (c && !c->inside)
{
pr_file_p = oldpr_file_p+strlen(c->name);
while(*pr_file_p == ' ' || *pr_file_p == '\t')
pr_file_p++;
if (c->numparams>=0)
{
if (*pr_file_p == '(')
{
int p;
char *start;
char *starttok;
char *buffer;
size_t buffermax;
size_t bufferlen;
char *paramoffset[MAXCONSTANTPARAMS+1];
int param=0;
int plevel=0;
pbool noargexpand;
pr_file_p++;
QCC_PR_LexWhitespace(false);
start = pr_file_p;
while(1)
{
// handle strings correctly by ignoring them
if (*pr_file_p == '\"')
{
do {
pr_file_p++;
} while( (pr_file_p[-1] == '\\' || pr_file_p[0] != '\"') && *pr_file_p && *pr_file_p != '\n' );
}
if (*pr_file_p == '(')
plevel++;
else if (!plevel && (*pr_file_p == ',' || *pr_file_p == ')'))
{
if (*pr_file_p == ',' && c->varg && param >= c->numparams)
; //skip extra trailing , arguments if we're varging.
else
{
paramoffset[param++] = start;
start = pr_file_p+1;
if (*pr_file_p == ')')
{
*pr_file_p = '\0';
pr_file_p++;
break;
}
*pr_file_p = '\0';
pr_file_p++;
QCC_PR_LexWhitespace(false);
start = pr_file_p;
// move back by one char because we move forward by one at the end of the loop
pr_file_p--;
if (param == MAXCONSTANTPARAMS || param > c->numparams)
QCC_PR_ParseError(ERR_TOOMANYPARAMS, "Too many parameters in macro call");
}
} else if (*pr_file_p == ')' )
plevel--;
else if(*pr_file_p == '\n')
QCC_PR_NewLine(false);
// see that *pr_file_p = '\0' up there? Must ++ BEFORE checking for !*pr_file_p
pr_file_p++;
if (!*pr_file_p)
QCC_PR_ParseError(ERR_EOF, "EOF on macro call");
}
if (param < c->numparams)
QCC_PR_ParseError(ERR_TOOFEWPARAMS, "Not enough macro parameters");
paramoffset[param] = start;
buffer = NULL;
bufferlen = 0;
buffermax = 0;
oldpr_file_p = pr_file_p;
pr_file_p = c->value;
for(;;)
{
noargexpand = false;
whitestart = bufferlen;
starttok = pr_file_p;
/*while(qcc_iswhite(*pr_file_p)) //copy across whitespace
{
if (!*pr_file_p)
break;
pr_file_p++;
}*/
QCC_PR_LexWhitespace(true);
if (starttok != pr_file_p)
{
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, starttok, pr_file_p - starttok);
}
if(*pr_file_p == '\"')
{
starttok = pr_file_p;
do
{
pr_file_p++;
} while( (pr_file_p[-1] == '\\' || pr_file_p[0] != '\"') && *pr_file_p && *pr_file_p != '\n' );
if(*pr_file_p == '\"')
pr_file_p++;
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, starttok, pr_file_p - starttok);
continue;
}
else if (*pr_file_p == '#') //if you ask for #a##b you will be shot. use #a #b instead, or chain macros.
{
if (pr_file_p[1] == '#')
{ //concatinate (strip out whitespace before the token)
bufferlen = whitestart;
pr_file_p+=2;
noargexpand = true;
}
else
{ //stringify
pr_file_p++;
pr_file_p = QCC_COM_Parse2(pr_file_p);
if (!pr_file_p)
break;
for (p = 0; p < param; p++)
{
if (!STRCMP(qcc_token, c->params[p]))
{
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, "\"", 1);
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, paramoffset[p], strlen(paramoffset[p]));
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, "\"", 1);
break;
}
}
if (p == param)
{
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, "#", 1);
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, qcc_token, strlen(qcc_token));
if (!c->evil)
QCC_PR_ParseWarning(0, "'#' is not followed by a macro parameter in %s", c->name);
}
continue; //already did this one
}
}
end = qcc_token;
pr_file_p = QCC_COM_Parse2(pr_file_p);
if (!pr_file_p)
break;
for (p = 0; p < c->numparams; p++)
{
if (!STRCMP(qcc_token, c->params[p]))
{
char *argstart, *argend;
for (start = pr_file_p; qcc_iswhite(*start); start++)
;
if (noargexpand || (start[0] == '#' && start[1] == '#'))
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, paramoffset[p], strlen(paramoffset[p]));
else
{
for (argstart = paramoffset[p]; *argstart; argstart = argend)
{
argend = argstart;
while (qcc_iswhite(*argend))
argend++;
if (*argend == '\"')
{
do
{
argend++;
} while( (argend[-1] == '\\' || argend[0] != '\"') && *argend && *argend != '\n' );
if(*argend == '\"')
argend++;
end = NULL;
}
else
{
argend = QCC_COM_Parse2(argend);
if (!argend)
break;
end = QCC_PR_CheckBuiltinCompConst(qcc_token, retbuf, sizeof(retbuf));
}
//FIXME: we should be testing all defines instead of just built-in ones.
if (end)
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, end, strlen(end));
else
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, argstart, argend-argstart);
}
}
break;
}
}
if (c->varg && !STRCMP(qcc_token, "__VA_ARGS__"))
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, paramoffset[c->numparams], strlen(paramoffset[c->numparams]));
else if (p == c->numparams)
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, qcc_token, strlen(qcc_token));
}
for (p = 0; p < param-1; p++)
paramoffset[p][strlen(paramoffset[p])] = ',';
paramoffset[p][strlen(paramoffset[p])] = ')';
pr_file_p = oldpr_file_p;
if (!bufferlen)
expandedemptymacro = true;
else
{
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, "\0", 1);
QCC_PR_IncludeChunkEx(buffer, true, NULL, c);
}
expandedemptymacro = true;
free(buffer);
if (flag_debugmacros)
{
if (flag_msvcstyle)
printf ("%s(%i) : macro %s: %s\n", strings+s_file, pr_source_line, c->name, pr_file_p);
else
printf ("%s:%i: macro %s: %s\n", strings+s_file, pr_source_line, c->name, pr_file_p);
}
}
else
QCC_PR_ParseError(ERR_TOOFEWPARAMS, "Macro without argument list");
}
else
{
if (*c->value)
QCC_PR_IncludeChunkEx(c->value, false, NULL, c);
expandedemptymacro = true;
}
return true;
}
tok = QCC_PR_CheckBuiltinCompConst(pr_token, retbuf, sizeof(retbuf));
if (tok)
{
pr_file_p = end;
QCC_PR_IncludeChunkEx(tok, true, NULL, NULL);
return true;
}
return false;
}
char *QCC_PR_CheckCompConstString(char *def)
{
char *s;
CompilerConstant_t *c;
c = pHash_Get(&compconstantstable, def);
if (c)
{
s = QCC_PR_CheckCompConstString(c->value);
return s;
}
return def;
}
CompilerConstant_t *QCC_PR_CheckCompConstDefined(char *def)
{
CompilerConstant_t *c = pHash_Get(&compconstantstable, def);
return c;
}
char *QCC_PR_CheckCompConstTooltip(char *word, char *outstart, char *outend)
{
int i;
CompilerConstant_t *c = QCC_PR_CheckCompConstDefined(word);
if (c)
{
char *out = outstart;
if (c->numparams >= 0)
{
QC_snprintfz(out, outend-out, "#define %s(", c->name);
out += strlen(out);
for (i = 0; i < c->numparams-1; i++)
{
QC_snprintfz(out, outend-out, "%s,", c->params[i]);
out += strlen(out);
}
if (i < c->numparams)
{
QC_snprintfz(out, outend-out, "%s", c->params[i]);
out += strlen(out);
}
QC_snprintfz(out, outend-out, ")");
}
else
QC_snprintfz(out, outend-out, "#define %s", c->name);
out += strlen(out);
if (c->value && *c->value)
QC_snprintfz(out, outend-out, "\n%s", c->value);
return outstart;
}
return NULL;
}
//============================================================================
/*
==============
PR_Lex
Sets pr_token, pr_token_type, and possibly pr_immediate and pr_immediate_type
==============
*/
void QCC_PR_Lex (void)
{
int c;
pr_token[0] = 0;
if (!pr_file_p)
{
if (QCC_PR_UnInclude())
{
QCC_PR_Lex();
return;
}
pr_token_type = tt_eof;
return;
}
QCC_PR_LexWhitespace (false);
pr_token_line_last = pr_token_line;
pr_token_line = pr_source_line;
if (!pr_file_p)
{
if (QCC_PR_UnInclude())
{
QCC_PR_Lex();
return;
}
pr_token_type = tt_eof;
return;
}
c = *pr_file_p;
if (!c)
{
if (QCC_PR_UnInclude())
{
QCC_PR_Lex();
return;
}
pr_token_type = tt_eof;
return;
}
// handle quoted strings as a unit
if (c == '\"' || (c == 'R' && pr_file_p[1] == '\"'))
{
QCC_PR_LexString ();
return;
}
// handle quoted vectors as a unit
if (c == '\'')
{
QCC_PR_LexVector ();
return;
}
// if the first character is a valid identifier, parse until a non-id
// character is reached
if ((c == '%') && pr_file_p[1] >= '0' && pr_file_p[1] <= '9') //let's see which one we make into an operator first... possibly both...
{
QCC_PR_ParseWarning(0, "%% prefixes to denote integers are deprecated. Please use a postfix of 'i'");
pr_file_p++;
pr_token_type = tt_immediate;
pr_immediate_type = type_integer;
pr_immediate._int = QCC_PR_LexInteger ();
return;
}
if ( c == '0' && pr_file_p[1] == 'x')
{
pr_token_type = tt_immediate;
QCC_PR_LexNumber();
return;
}
if ( (c == '.'&&pr_file_p[1]!='.'&&pr_file_p[1] >='0' && pr_file_p[1] <= '9') || (c >= '0' && c <= '9') || ( c=='-' && pr_file_p[1]>='0' && pr_file_p[1] <='9') )
{
pr_token_type = tt_immediate;
QCC_PR_LexNumber ();
return;
}
if (c == '#' && !(pr_file_p[1]=='\"' || pr_file_p[1]=='-' || (pr_file_p[1]>='0' && pr_file_p[1] <='9'))) //hash and not number
{
pr_file_p++;
if (!QCC_PR_CheckCompConst())
{
if (!QCC_PR_SimpleGetToken())
strcpy(pr_token, "unknown");
QCC_PR_ParseError(ERR_CONSTANTNOTDEFINED, "Explicit precompiler usage when not defined %s", pr_token);
}
else
{
QCC_PR_Lex();
if (pr_token_type == tt_eof)
QCC_PR_Lex();
}
return;
}
if ( (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_' || (c & 0x80))
{
if (flag_hashonly || !QCC_PR_CheckCompConst()) //look for a macro.
QCC_PR_LexName ();
else
{
//we expanded a macro. we need to read the tokens out of it now though
QCC_PR_Lex();
if (pr_token_type == tt_eof)
{
if (QCC_PR_UnInclude())
{
QCC_PR_Lex();
return;
}
pr_token_type = tt_eof;
}
}
return;
}
if (c == '$')
{
QCC_PR_LexGrab ();
return;
}
// parse symbol strings until a non-symbol is found
QCC_PR_LexPunctuation ();
}
//=============================================================================
pbool QCC_Temp_Describe(QCC_def_t *def, char *buffer, int buffersize);
void QCC_PR_ParsePrintDef (int type, QCC_def_t *def)
{
if (!qccwarningaction[type])
return;
if (def->s_file)
{
char tybuffer[512];
char tmbuffer[512];
if (QCC_Temp_Describe(def, tmbuffer, sizeof(tmbuffer)))
{
printf ("%s:%i: (%s)(%s)\n", strings + def->s_file, def->s_line, TypeName(def->type, tybuffer, sizeof(tybuffer)), tmbuffer);
}
else
{
if (flag_msvcstyle)
printf ("%s(%i) : %s %s is defined here\n", strings + def->s_file, def->s_line, TypeName(def->type, tybuffer, sizeof(tybuffer)), def->name);
else
printf ("%s:%i: %s %s is defined here\n", strings + def->s_file, def->s_line, TypeName(def->type, tybuffer, sizeof(tybuffer)), def->name);
}
}
}
void QCC_PR_ParsePrintSRef (int type, QCC_sref_t def)
{
QCC_PR_ParsePrintDef(type, def.sym);
}
void *errorscope;
void QCC_PR_PrintScope (void)
{
if (pr_scope)
{
if (errorscope != pr_scope)
printf ("in function %s (line %i),\n", pr_scope->name, pr_scope->line);
errorscope = pr_scope;
}
else
{
if (errorscope)
printf ("at global scope,\n");
errorscope = NULL;
}
}
void QCC_PR_ResetErrorScope(void)
{
errorscope = NULL;
}
/*
============
PR_ParseError
Aborts the current file load
============
*/
#ifndef QCC
void editbadfile(char *file, int line);
#endif
//will abort.
void VARGS QCC_PR_ParseError (int errortype, const char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
#ifndef QCC
editbadfile(strings+s_file, pr_source_line);
#endif
QCC_PR_PrintScope();
if (flag_msvcstyle)
printf ("%s(%i) : error: %s\n", strings + s_file, pr_source_line, string);
else
printf ("%s:%i: error: %s\n", strings + s_file, pr_source_line, string);
longjmp (pr_parse_abort, 1);
}
//will abort.
void VARGS QCC_PR_ParseErrorPrintDef (int errortype, QCC_def_t *def, const char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
#ifndef QCC
editbadfile(strings+s_file, pr_source_line);
#endif
QCC_PR_PrintScope();
if (flag_msvcstyle)
printf ("%s(%i) : error: %s\n", strings + s_file, pr_source_line, string);
else
printf ("%s:%i: error: %s\n", strings + s_file, pr_source_line, string);
QCC_PR_ParsePrintDef(WARN_ERROR, def);
longjmp (pr_parse_abort, 1);
}
void VARGS QCC_PR_ParseErrorPrintSRef (int errortype, QCC_sref_t def, const char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
#ifndef QCC
editbadfile(strings+s_file, pr_source_line);
#endif
QCC_PR_PrintScope();
if (flag_msvcstyle)
printf ("%s(%i) : error: %s\n", strings + s_file, pr_source_line, string);
else
printf ("%s:%i: error: %s\n", strings + s_file, pr_source_line, string);
QCC_PR_ParsePrintSRef(WARN_ERROR, def);
longjmp (pr_parse_abort, 1);
}
pbool VARGS QCC_PR_PrintWarning (int type, const char *file, int line, const char *string)
{
char *wnam = QCC_NameForWarning(type);
if (!wnam)
wnam = "";
QCC_PR_PrintScope();
if (type >= ERR_PARSEERRORS)
{
if (!file || !*file)
printf ("error%s: %s\n", wnam, string);
else if (flag_msvcstyle)
printf ("%s(%i) : error%s: %s\n", file, line, wnam, string);
else
printf ("%s:%i: error%s: %s\n", file, line, wnam, string);
pr_error_count++;
}
else if (qccwarningaction[type] == 2)
{ //-werror
if (!file || !*file)
printf ("werror%s: %s\n", wnam, string);
else if (flag_msvcstyle)
printf ("%s(%i) : werror%s: %s\n", file, line, wnam, string);
else
printf ("%s:%i: werror%s: %s\n", file, line, wnam, string);
pr_error_count++;
}
else
{
if (!file || !*file)
printf ("warning%s: %s\n", wnam, string);
else if (flag_msvcstyle)
printf ("%s(%i) : warning%s: %s\n", file, line, wnam, string);
else
printf ("%s:%i: warning%s: %s\n", file, line, wnam, string);
pr_warning_count++;
}
return true;
}
pbool VARGS QCC_PR_Warning (int type, const char *file, int line, const char *error, ...)
{
va_list argptr;
char string[1024];
if (!qccwarningaction[type])
return false;
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
return QCC_PR_PrintWarning(type, file, line, string);
}
//can be used for errors, qcc execution will continue.
pbool VARGS QCC_PR_ParseWarning (int type, const char *error, ...)
{
va_list argptr;
char string[1024];
if (!qccwarningaction[type])
return false;
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
return QCC_PR_PrintWarning(type, strings + s_file, pr_source_line, string);
}
void VARGS QCC_PR_Note (int type, const char *file, int line, const char *error, ...)
{
va_list argptr;
char string[1024];
if (!qccwarningaction[type])
return;
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
QCC_PR_PrintScope();
if (!file)
printf ("note: %s\n", string);
else if (flag_msvcstyle)
printf ("%s(%i) : note: %s\n", file, line, string);
else
printf ("%s:%i: note: %s\n", file, line, string);
}
/*
=============
PR_Expect
Issues an error if the current token isn't equal to string
Gets the next token
=============
*/
#ifndef COMMONINLINES
void QCC_PR_Expect (const char *string)
{
if (STRCMP (string, pr_token))
QCC_PR_ParseError (ERR_EXPECTED, "expected %s, found %s",string, pr_token);
QCC_PR_Lex ();
}
#endif
pbool QCC_PR_CheckTokenComment(const char *string, char **comment)
{
char c;
char *start;
int nl;
char *old;
int oldlen;
pbool replace = true;
pbool nextcomment = true;
if (pr_token_type != tt_punct)
return false;
if (STRCMP (string, pr_token))
return false;
if (comment)
{
// skip whitespace
nl = false;
while(nextcomment)
{
nextcomment = false;
while ((c = *pr_file_p) && qcc_iswhite(c))
{
if (c=='\n') //allow new lines, but only if there's whitespace before any tokens, and no double newlines.
{
if (nl)
{
pr_file_p++;
QCC_PR_NewLine(false);
break;
}
nl = true;
}
else
{
pr_file_p++;
nl = false;
}
}
if (nl)
break;
// parse // comments
if (c=='/' && pr_file_p[1] == '/')
{
pr_file_p += 2;
while (*pr_file_p == ' ' || *pr_file_p == '\t')
pr_file_p++;
start = pr_file_p;
while (*pr_file_p && *pr_file_p != '\n')
pr_file_p++;
if (*pr_file_p == '\n')
{
pr_file_p++;
QCC_PR_NewLine(false);
}
old = replace?NULL:*comment;
replace = false;
oldlen = old?strlen(old)+1:0;
*comment = qccHunkAlloc(oldlen + (pr_file_p-start)+1);
if (oldlen)
{
memcpy(*comment, old, oldlen-1);
memcpy(*comment+oldlen-1, "\n", 1);
}
memcpy(*comment + oldlen, start, pr_file_p - start);
oldlen = oldlen+pr_file_p - start;
while(oldlen > 0 && ((*comment)[oldlen-1] == '\r' || (*comment)[oldlen-1] == '\n' || (*comment)[oldlen-1] == '\t' || (*comment)[oldlen-1] == ' '))
oldlen--;
(*comment)[oldlen] = 0;
nextcomment = true; //include the next // too
nl = true;
}
// parse /* comments
else if (c=='/' && pr_file_p[1] == '*' && replace)
{
pr_file_p+=1;
start = pr_file_p+1;
do
{
pr_file_p++;
if (pr_file_p[0]=='\n')
{
QCC_PR_NewLine(true);
}
else if (pr_file_p[1] == 0)
{
QCC_PR_ParseError(0, "EOF inside comment\n");
break;
}
} while (pr_file_p[0] != '*' || pr_file_p[1] != '/');
if (pr_file_p[1] == 0)
break;
old = replace?NULL:*comment;
replace = false;
oldlen = old?strlen(old):0;
*comment = qccHunkAlloc(oldlen + (pr_file_p-start)+1);
memcpy(*comment, old, oldlen);
memcpy(*comment + oldlen, start, pr_file_p - start);
(*comment)[oldlen+pr_file_p - start] = 0;
pr_file_p+=2;
}
}
}
//and then do the rest properly.
QCC_PR_Lex ();
return true;
}
/*
=============
PR_Check
Returns true and gets the next token if the current token equals string
Returns false and does nothing otherwise
=============
*/
#ifndef COMMONINLINES
pbool QCC_PR_CheckToken (const char *string)
{
if (pr_token_type != tt_punct)
return false;
if (STRCMP (string, pr_token))
return false;
QCC_PR_Lex ();
return true;
}
pbool QCC_PR_CheckImmediate (const char *string)
{
if (pr_token_type != tt_immediate)
return false;
if (STRCMP (string, pr_token))
return false;
QCC_PR_Lex ();
return true;
}
pbool QCC_PR_CheckName(const char *string)
{
if (pr_token_type != tt_name)
return false;
if (flag_caseinsensitive)
{
if (stricmp (string, pr_token))
return false;
}
else
{
if (STRCMP(string, pr_token))
return false;
}
QCC_PR_Lex ();
return true;
}
pbool QCC_PR_CheckKeyword(int keywordenabled, const char *string)
{
if (!keywordenabled)
return false;
if (flag_caseinsensitive)
{
if (stricmp (string, pr_token))
return false;
}
else
{
if (STRCMP(string, pr_token))
return false;
}
QCC_PR_Lex ();
return true;
}
#endif
/*
============
PR_ParseName
Checks to see if the current token is a valid name
============
*/
char *QCC_PR_ParseName (void)
{
char ident[MAX_NAME];
char *ret;
if (pr_token_type != tt_name)
{
if (pr_token_type == tt_eof)
QCC_PR_ParseError (ERR_EOF, "unexpected EOF", pr_token);
else if (strcmp(pr_token, "...")) //seriously? someone used '...' as an intrinsic NAME?
QCC_PR_ParseError (ERR_NOTANAME, "\"%s\" - not a name", pr_token);
}
if (strlen(pr_token) >= MAX_NAME-1)
QCC_PR_ParseError (ERR_NAMETOOLONG, "name too long");
strcpy (ident, pr_token);
QCC_PR_Lex ();
ret = qccHunkAlloc(strlen(ident)+1);
strcpy(ret, ident);
return ret;
// return ident;
}
/*
============
PR_FindType
Returns a preexisting complex type that matches the parm, or allocates
a new one and copies it out.
============
*/
//requires EVERYTHING to be the same
static int typecmp_strict(QCC_type_t *a, QCC_type_t *b)
{
int i;
if (a == b)
return 0;
if (!a || !b)
return 1; //different (^ and not both null)
if (a->type != b->type)
return 1;
if (a->num_parms != b->num_parms)
return 1;
if (a->vargs != b->vargs)
return 1;
if (a->vargcount != b->vargcount)
return 1;
if (a->size != b->size)
return 1;
if (a->accessors != b->accessors)
return 1;
if (STRCMP(a->name, b->name))
return 1;
if (typecmp_strict(a->aux_type, b->aux_type))
return 1;
i = a->num_parms;
while(i-- > 0)
{
if (STRCMP(a->params[i].paramname, b->params[i].paramname))
return 1;
if (typecmp_strict(a->params[i].type, b->params[i].type))
return 1;
}
return 0;
}
//reports if they're functionally equivelent (allows assignments)
int typecmp(QCC_type_t *a, QCC_type_t *b)
{
int i;
if (a == b)
return 0;
if (!a || !b)
return 1; //different (^ and not both null)
if (a->type != b->type)
return 1;
if (a->num_parms != b->num_parms)
return 1;
if (a->vargs != b->vargs)
return 1;
if (a->vargcount != b->vargcount)
return 1;
if (a->size != b->size)
return 1;
if ((a->type == ev_entity && a->parentclass) || a->type == ev_struct || a->type == ev_union)
{
if (STRCMP(a->name, b->name))
return 1;
}
if (typecmp(a->aux_type, b->aux_type))
return 1;
i = a->num_parms;
while(i-- > 0)
{
if (a->type != ev_function && STRCMP(a->params[i].paramname, b->params[i].paramname))
return 1;
if (typecmp(a->params[i].type, b->params[i].type))
return 1;
}
return 0;
}
//compares the types, but doesn't complain if there are optional arguments which differ
int typecmp_lax(QCC_type_t *a, QCC_type_t *b)
{
unsigned int minargs = 0;
unsigned int t;
if (a == b)
return 0;
if (!a || !b)
return 1; //different (^ and not both null)
if (a->type != b->type)
{
if (a->type == ev_accessor && a->parentclass)
if (!typecmp_lax(a->parentclass, b))
return 0;
if (b->type == ev_accessor && b->parentclass)
if (!typecmp_lax(a, b->parentclass))
return 0;
if (a->type != ev_variant && b->type != ev_variant)
return 1;
}
else if (a->size != b->size)
return 1;
if (a->vargcount != b->vargcount)
return 1;
t = a->num_parms;
minargs = t;
t = b->num_parms;
if (minargs > t)
minargs = t;
// if (STRCMP(a->name, b->name)) //This isn't 100% clean.
// return 1;
if (typecmp_lax(a->aux_type, b->aux_type))
return 1;
//optional arg types must match, even if they're not specified in one.
for (t = 0; t < minargs; t++)
{
if (a->params[t].type->type != b->params[t].type->type)
return 1;
//classes/structs/unions are matched on class names rather than the contents of the class
//it gets too painful otherwise, with recursive definitions.
if (a->params[t].type->type == ev_entity || a->params[t].type->type == ev_struct || a->params[t].type->type == ev_union)
{
if (STRCMP(a->params[t].type->name, b->params[t].type->name))
return 1;
}
else
{
if (typecmp_lax(a->params[t].type, b->params[t].type))
return 1;
}
}
if (a->num_parms > minargs)
{
for (t = minargs; t < a->num_parms; t++)
{
if (!a->params[t].optional)
return 1;
}
}
if (b->num_parms > minargs)
{
for (t = minargs; t < b->num_parms; t++)
{
if (!b->params[t].optional)
return 1;
}
}
return 0;
}
QCC_type_t *QCC_PR_DuplicateType(QCC_type_t *in, pbool recurse)
{
QCC_type_t *out;
if (!in)
return NULL;
out = QCC_PR_NewType(in->name, in->type, false);
out->aux_type = recurse?QCC_PR_DuplicateType(in->aux_type, recurse):in->aux_type;
out->num_parms = in->num_parms;
out->params = qccHunkAlloc(sizeof(*out->params) * out->num_parms);
memcpy(out->params, in->params, sizeof(*out->params) * out->num_parms);
out->size = in->size;
out->num_parms = in->num_parms;
out->name = in->name;
out->parentclass = in->parentclass;
return out;
}
static void Q_strlcat(char *dest, const char *src, int sizeofdest)
{
if (sizeofdest)
{
int dlen = strlen(dest);
int slen = strlen(src)+1;
memcpy(dest+dlen, src, min((sizeofdest-1)-dlen, slen));
dest[sizeofdest - 1] = 0;
}
}
char *TypeName(QCC_type_t *type, char *buffer, int buffersize)
{
char *ret;
if (type->type == ev_void)
{
if (buffersize < 0)
return buffer;
*buffer = 0;
Q_strlcat(buffer, "void", buffersize);
return buffer;
}
if (type->type == ev_pointer)
{
if (buffersize < 0)
return buffer;
TypeName(type->aux_type, buffer, buffersize-2);
Q_strlcat(buffer, " *", buffersize);
return buffer;
}
ret = buffer;
if (type->type == ev_field)
{
type = type->aux_type;
*ret++ = '.';
}
*ret = 0;
if (type->type == ev_function)
{
int args = type->num_parms;
pbool vargs = type->vargs;
unsigned int i;
Q_strlcat(buffer, type->aux_type->name, buffersize);
Q_strlcat(buffer, "(", buffersize);
for (i = 0; i < type->num_parms; )
{
if (type->params[i].optional)
Q_strlcat(buffer, "optional ", buffersize);
args--;
Q_strlcat(buffer, type->params[i].type->name, buffersize);
if (type->params[i].paramname && *type->params[i].paramname)
{
Q_strlcat(buffer, " ", buffersize);
Q_strlcat(buffer, type->params[i].paramname, buffersize);
}
if (++i < type->num_parms || vargs)
Q_strlcat(buffer, ", ", buffersize);
}
if (vargs)
Q_strlcat(buffer, "...", buffersize);
Q_strlcat(buffer, ")", buffersize);
}
else if (type->type == ev_entity && type->parentclass)
{
ret = buffer;
*ret = 0;
Q_strlcat(buffer, "class ", buffersize);
Q_strlcat(buffer, type->name, buffersize);
/* strcat(ret, " {");
type = type->param;
while(type)
{
strcat(ret, type->name);
type = type->next;
if (type)
strcat(ret, ", ");
}
strcat(ret, "}");
*/
}
else
Q_strlcat(buffer, type->name, buffersize);
return buffer;
}
//#define typecmp(a, b) (a && ((a)->type==(b)->type) && !STRCMP((a)->name, (b)->name))
QCC_type_t *QCC_PR_FindType (QCC_type_t *type)
{
int t;
for (t = 0; t < numtypeinfos; t++)
{
// check = &qcc_typeinfo[t];
if (typecmp_strict(&qcc_typeinfo[t], type))
continue;
// c2 = check->next;
// n2 = type->next;
// for (i=0 ; n2&&c2 ; i++)
// {
// if (!typecmp((c2), (n2)))
// break;
// c2=c2->next;
// n2=n2->next;
// }
// if (n2==NULL&&c2==NULL)
{
return &qcc_typeinfo[t];
}
}
QCC_Error(ERR_INTERNAL, "Error with type");
return type;
}
/*
QCC_type_t *QCC_PR_NextSubType(QCC_type_t *type, QCC_type_t *prev)
{
int p;
if (!prev)
return type->next;
for (p = prev->num_parms; p; p--)
prev = QCC_PR_NextSubType(prev, NULL);
if (prev->num_parms)
switch(prev->type)
{
case ev_function:
}
return prev->next;
}
*/
QCC_type_t *QCC_TypeForName(char *name)
{
int i;
for (i = 0; i < numtypeinfos; i++)
{
if (qcc_typeinfo[i].typedefed && !STRCMP(qcc_typeinfo[i].name, name))
{
return &qcc_typeinfo[i];
}
}
return NULL;
}
/*
============
PR_SkipToSemicolon
For error recovery, also pops out of nested braces
============
*/
void QCC_PR_SkipToSemicolon (void)
{
do
{
if (!pr_bracelevel && QCC_PR_CheckToken (";"))
return;
QCC_PR_Lex ();
} while (pr_token_type != tt_eof);
}
/*
============
PR_ParseType
Parses a variable type, including field and functions types
============
*/
#ifdef MAX_EXTRA_PARMS
char pr_parm_names[MAX_PARMS+MAX_EXTRA_PARMS][MAX_NAME];
#else
char pr_parm_names[MAX_PARMS][MAX_NAME];
#endif
char *pr_parm_argcount_name;
int recursivefunctiontype;
//expects a ( to have already been parsed.
QCC_type_t *QCC_PR_ParseFunctionType (int newtype, QCC_type_t *returntype)
{
QCC_type_t *ftype;
char *name;
int definenames = !recursivefunctiontype;
int optional = 0;
int numparms = 0;
struct QCC_typeparam_s paramlist[MAX_PARMS+MAX_EXTRA_PARMS];
recursivefunctiontype++;
ftype = QCC_PR_NewType(type_function->name, ev_function, false);
ftype->aux_type = returntype; // return type
ftype->num_parms = 0;
if (definenames)
pr_parm_argcount_name = NULL;
if (!QCC_PR_CheckToken (")"))
{
do
{
if (ftype->num_parms>=MAX_PARMS+MAX_EXTRA_PARMS)
QCC_PR_ParseError(ERR_TOOMANYTOTALPARAMETERS, "Too many parameters. Sorry. (limit is %i)\n", MAX_PARMS+MAX_EXTRA_PARMS);
if (QCC_PR_CheckToken ("..."))
{
ftype->vargs = true;
break;
}
if (QCC_PR_CheckKeyword(keyword_optional, "optional"))
{
paramlist[numparms].optional = true;
optional = true;
}
else
{
if (optional)
{
QCC_PR_ParseWarning(WARN_MISSINGOPTIONAL, "optional not specified on all optional args\n");
paramlist[numparms].optional = true;
}
else
paramlist[numparms].optional = false;
}
paramlist[numparms].ofs = 0;
paramlist[numparms].arraysize = 0;
paramlist[numparms].type = QCC_PR_ParseType(false, false);
if (paramlist[numparms].type->type == ev_void)
break;
// type->name = "FUNC PARAMETER";
paramlist[numparms].paramname = "";
if (STRCMP(pr_token, ",") && STRCMP(pr_token, ")"))
{
if (QCC_PR_CheckToken ("..."))
{
ftype->vargs = true;
break;
}
newtype = true;
name = QCC_PR_ParseName ();
paramlist[numparms].paramname = qccHunkAlloc(strlen(name)+1);
strcpy(paramlist[numparms].paramname, name);
if (definenames)
strcpy (pr_parm_names[numparms], name);
}
else if (definenames)
strcpy (pr_parm_names[numparms], "");
numparms++;
} while (QCC_PR_CheckToken (","));
if (ftype->vargs)
{
if (!QCC_PR_CheckToken (")"))
{
name = QCC_PR_ParseName();
if (definenames)
{
pr_parm_argcount_name = qccHunkAlloc(strlen(name)+1);
strcpy(pr_parm_argcount_name, name);
}
ftype->vargcount = true;
QCC_PR_Expect (")");
}
}
else
QCC_PR_Expect (")");
}
ftype->num_parms = numparms;
ftype->params = qccHunkAlloc(sizeof(*ftype->params) * numparms);
memcpy(ftype->params, paramlist, sizeof(*ftype->params) * numparms);
recursivefunctiontype--;
if (newtype)
return ftype;
return QCC_PR_FindType (ftype);
}
QCC_type_t *QCC_PR_ParseFunctionTypeReacc (int newtype, QCC_type_t *returntype)
{
QCC_type_t *ftype, *nptype;
char *name;
int definenames = !recursivefunctiontype;
int numparms = 0;
struct QCC_typeparam_s paramlist[MAX_PARMS+MAX_EXTRA_PARMS];
recursivefunctiontype++;
ftype = QCC_PR_NewType(type_function->name, ev_function, false);
ftype->aux_type = returntype; // return type
ftype->num_parms = 0;
pr_parm_argcount_name = NULL;
if (!QCC_PR_CheckToken (")"))
{
do
{
if (numparms>=MAX_PARMS+MAX_EXTRA_PARMS)
QCC_PR_ParseError(ERR_TOOMANYTOTALPARAMETERS, "Too many parameters. Sorry. (limit is %i)\n", MAX_PARMS+MAX_EXTRA_PARMS);
if (QCC_PR_CheckToken ("..."))
{
ftype->vargs = true;
break;
}
if (QCC_PR_CheckName("arg"))
{
name = "";
nptype = QCC_PR_NewType("Variant", ev_variant, false);
}
else if (QCC_PR_CheckName("vect")) //this can only be of vector sizes, so...
{
name = "";
nptype = QCC_PR_NewType("Vector", ev_vector, false);
}
else
{
name = QCC_PR_ParseName();
QCC_PR_Expect(":");
nptype = QCC_PR_ParseType(true, false);
}
if (nptype->type == ev_void)
break;
// type->name = "FUNC PARAMETER";
paramlist[numparms].optional = false;
paramlist[numparms].ofs = 0;
paramlist[numparms].arraysize = 0;
paramlist[numparms].type = nptype;
if (!*name)
paramlist[numparms].paramname = "";
else
{
paramlist[numparms].paramname = qccHunkAlloc(strlen(name)+1);
strcpy(paramlist[numparms].paramname, name);
}
if (definenames)
QC_snprintfz(pr_parm_names[numparms], MAX_NAME, "%s", name);
numparms++;
} while (QCC_PR_CheckToken (";"));
QCC_PR_Expect (")");
}
ftype->num_parms = numparms;
ftype->params = qccHunkAlloc(sizeof(*ftype->params) * numparms);
memcpy(ftype->params, paramlist, sizeof(*ftype->params) * numparms);
recursivefunctiontype--;
if (newtype)
return ftype;
return QCC_PR_FindType (ftype);
}
QCC_type_t *QCC_PR_PointerType (QCC_type_t *pointsto)
{
QCC_type_t *ptype, *e;
ptype = QCC_PR_NewType("ptr", ev_pointer, false);
ptype->aux_type = pointsto;
e = QCC_PR_FindType (ptype);
if (e == ptype)
{
char name[128];
QC_snprintfz(name, sizeof(name), "ptr to %s", pointsto->name);
e->name = qccHunkAlloc(strlen(name)+1);
strcpy(e->name, name);
}
return e;
}
QCC_type_t *QCC_PR_FieldType (QCC_type_t *pointsto)
{
QCC_type_t *ptype;
char name[128];
QC_snprintfz(name, sizeof(name), "FIELD_TYPE(%s)", pointsto->name);
ptype = QCC_PR_NewType(name, ev_field, false);
ptype->aux_type = pointsto;
ptype->size = ptype->aux_type->size;
return QCC_PR_FindType (ptype);
}
QCC_type_t *QCC_PR_GenFunctionType (QCC_type_t *rettype, QCC_type_t **args, char **argnames, int numargs)
{
int i;
struct QCC_typeparam_s *p;
QCC_type_t *ftype;
ftype = QCC_PR_NewType("$func", ev_function, false);
ftype->aux_type = rettype;
ftype->num_parms = numargs;
ftype->params = p = qccHunkAlloc(sizeof(*ftype->params)*numargs);
ftype->vargs = false;
ftype->vargcount = false;
for (i = 0; i < numargs; i++, p++)
{
p->paramname = qccHunkAlloc(strlen(argnames[i])+1);
strcpy(p->paramname, argnames[i]);
p->type = args[i];
p->optional = false;
p->ofs = 0;
p->arraysize = 0;
}
return QCC_PR_FindType (ftype);
}
extern char *basictypenames[];
extern QCC_type_t **basictypes[];
QCC_def_t *QCC_PR_DummyDef(QCC_type_t *type, char *name, QCC_function_t *scope, int arraysize, QCC_def_t *rootsymbol, unsigned int ofs, int referable, unsigned int flags);
pbool type_inlinefunction;
/*newtype=true: creates a new type always
silentfail=true: function is permitted to return NULL if it was not given a type, otherwise never returns NULL
*/
QCC_type_t *QCC_PR_ParseType (int newtype, pbool silentfail)
{
QCC_type_t *newparm;
QCC_type_t *newt;
QCC_type_t *type;
char *name;
int i;
etype_t structtype;
type_inlinefunction = false; //doesn't really matter so long as its not from an inline function type
// int ofs;
if (QCC_PR_CheckToken ("..")) //so we don't end up with the user specifying '. .vector blah' (hexen2 added the .. token for array ranges)
{
newt = QCC_PR_NewType("FIELD_TYPE", ev_field, false);
newt->aux_type = QCC_PR_ParseType (false, false);
newt->size = newt->aux_type->size;
newt = QCC_PR_FindType (newt);
type = QCC_PR_NewType("FIELD_TYPE", ev_field, false);
type->aux_type = newt;
type->size = type->aux_type->size;
if (newtype)
return type;
return QCC_PR_FindType (type);
}
if (QCC_PR_CheckToken ("."))
{
newt = QCC_PR_NewType("FIELD_TYPE", ev_field, false);
//.float *foo; is annoying.
//technically it is a pointer to a .float
//most people will want a .(float*) foo;
//so .*float will give you that.
//however, we can't cope parsing that with regular types, so we support that ONLY when . was already specified.
//this is pretty much an evil syntax hack.
if (QCC_PR_CheckToken ("*"))
{
newt->aux_type = QCC_PR_NewType("POINTER TYPE", ev_pointer, false);
newt->aux_type->aux_type = QCC_PR_ParseType (false, false);
newt->aux_type->size = newt->aux_type->aux_type->size;
}
else
newt->aux_type = QCC_PR_ParseType (false, false);
newt->size = newt->aux_type->size;
if (newtype)
return newt;
return QCC_PR_FindType (newt);
}
name = QCC_PR_CheckCompConstString(pr_token);
//accessors
if (QCC_PR_CheckKeyword (keyword_class, "accessor"))
{
char parentname[256];
char *accessorname;
char *funcname;
newt = NULL;
funcname = QCC_PR_ParseName();
accessorname = qccHunkAlloc(strlen(funcname)+1);
strcpy(accessorname, funcname);
/* Look to see if this type is already defined */
for(i=0;i<numtypeinfos;i++)
{
if (!qcc_typeinfo[i].typedefed)
continue;
if (STRCMP(qcc_typeinfo[i].name, accessorname) == 0 && qcc_typeinfo[i].type == ev_accessor)
{
newt = &qcc_typeinfo[i];
break;
}
}
if (QCC_PR_CheckToken(":"))
{
type = QCC_PR_ParseType(false, false);
if (type)
TypeName(type, parentname, sizeof(parentname));
else
strcpy(parentname, "??");
if (!type || type->type == ev_struct || type->type == ev_union)
QCC_PR_ParseError(ERR_NOTANAME, "Accessor %s cannot be based upon %s", accessorname, parentname);
}
else
type = NULL;
if (!newt)
{
newt = QCC_PR_NewType(accessorname, ev_accessor, true);
newt->size=type->size;
}
if (!newt->parentclass)
{
newt->parentclass = type;
if (!newt->parentclass || newt->parentclass->type == ev_struct || newt->parentclass->type == ev_union || newt->size != newt->parentclass->size)
QCC_PR_ParseError(ERR_NOTANAME, "Accessor %s cannot be based upon %s", accessorname, parentname);
}
else if (type != newt->parentclass)
QCC_PR_ParseError(ERR_NOTANAME, "Accessor %s basic type mismatch", accessorname);
if (QCC_PR_CheckToken("{"))
{
struct accessor_s *acc;
pbool setnotget;
char *fieldtypename;
QCC_type_t *fieldtype;
QCC_type_t *indextype;
QCC_sref_t def;
QCC_type_t *functype;
char *argname[3];
QCC_type_t *arg[3];
int args;
char *indexname;
pbool isref;
pbool isinline;
do
{
isinline = QCC_PR_CheckName("inline");
if (QCC_PR_CheckName("set"))
setnotget = true;
else if (QCC_PR_CheckName("get"))
setnotget = false;
else
break;
isref = QCC_PR_CheckToken("*");
fieldtypename = QCC_PR_ParseName();
fieldtype = QCC_TypeForName(fieldtypename);
if (!fieldtype)
QCC_PR_ParseError(ERR_NOTATYPE, "Invalid type: %s", fieldtypename);
while(QCC_PR_CheckToken("*"))
fieldtype = QCC_PR_PointerType(fieldtype);
if (pr_token_type != tt_punct)
{
funcname = QCC_PR_ParseName();
accessorname = qccHunkAlloc(strlen(funcname)+1);
strcpy(accessorname, funcname);
}
else
accessorname = "";
indextype = NULL;
indexname = "index";
if (QCC_PR_CheckToken("["))
{
fieldtypename = QCC_PR_ParseName();
indextype = QCC_TypeForName(fieldtypename);
if (!QCC_PR_CheckToken("]"))
{
indexname = QCC_PR_ParseName();
QCC_PR_Expect("]");
}
}
QCC_PR_Expect("=");
args = 0;
strcpy (pr_parm_names[args], "this");
argname[args] = "this";
if (isref)
arg[args++] = QCC_PointerTypeTo(newt);
else
arg[args++] = newt;
if (indextype)
{
strcpy (pr_parm_names[args], indexname);
argname[args] = indexname;
arg[args++] = indextype;
}
if (setnotget)
{
strcpy (pr_parm_names[args], "value");
argname[args] = "value";
arg[args++] = fieldtype;
}
functype = QCC_PR_GenFunctionType(setnotget?type_void:fieldtype, arg, argname, args);
if (pr_token_type != tt_name)
{
QCC_function_t *f;
char funcname[256];
QC_snprintfz(funcname, sizeof(funcname), "%s::%s_%s", newt->name, setnotget?"set":"get", accessorname);
def = QCC_PR_GetSRef(functype, funcname, NULL, true, 0, GDF_CONST | (isinline?GDF_INLINE:0));
//pr_classtype = newt;
f = QCC_PR_ParseImmediateStatements (def.sym, functype);
pr_classtype = NULL;
pr_scope = NULL;
def.sym->symboldata[def.ofs].function = f - functions;
f->def = def.sym;
def.sym->initialized = 1;
}
else
{
funcname = QCC_PR_ParseName();
def = QCC_PR_GetSRef(functype, funcname, NULL, true, 0, GDF_CONST|(isinline?GDF_INLINE:0));
if (!def.cast)
QCC_Error(ERR_NOFUNC, "%s::set_%s: %s was not defined", newt->name, accessorname, funcname);
}
if (!def.cast || !def.sym || def.sym->temp)
QCC_Error(ERR_NOFUNC, "%s::%s_%s function invalid", newt->name, setnotget?"set":"get", accessorname);
for (acc = newt->accessors; acc; acc = acc->next)
if (!strcmp(acc->fieldname, accessorname))
break;
if (!acc)
{
acc = qccHunkAlloc(sizeof(*acc));
acc->fieldname = accessorname;
acc->next = newt->accessors;
acc->type = fieldtype;
acc->indexertype = indextype;
newt->accessors = acc;
}
if (acc->getset_func[setnotget].cast)
QCC_Error(ERR_TOOMANYINITIALISERS, "%s::%s_%s already declared", newt->name, setnotget?"set":"get", accessorname);
acc->getset_func[setnotget] = def;
acc->getset_isref[setnotget] = isref;
QCC_FreeTemp(def);
} while (QCC_PR_CheckToken(",") || QCC_PR_CheckToken(";"));
QCC_PR_Expect("}");
}
if (newtype)
newt = QCC_PR_DuplicateType(newt, false);
return newt;
}
if (QCC_PR_CheckKeyword (keyword_class, "class"))
{
// int parms;
QCC_type_t *fieldtype;
char membername[2048];
char *classname;
int forwarddeclaration;
int numparms = 0;
struct QCC_typeparam_s *parms = NULL;
char *parmname;
int arraysize;
pbool redeclaration;
int basicindex;
QCC_def_t *d;
QCC_type_t *pc;
pbool found = false;
parmname = QCC_PR_ParseName();
classname = qccHunkAlloc(strlen(parmname)+1);
strcpy(classname, parmname);
newt = 0;
if (QCC_PR_CheckToken(":"))
{
char *parentname = QCC_PR_ParseName();
fieldtype = QCC_TypeForName(parentname);
if (!fieldtype)
QCC_PR_ParseError(ERR_NOTANAME, "Parent class %s was not yet defined", parentname);
forwarddeclaration = false;
QCC_PR_Expect("{");
}
else
{
fieldtype = type_entity;
forwarddeclaration = !QCC_PR_CheckToken("{");
}
/* Look to see if this type is already defined */
for(i=0;i<numtypeinfos;i++)
{
if (!qcc_typeinfo[i].typedefed)
continue;
if (STRCMP(qcc_typeinfo[i].name, classname) == 0)
{
newt = &qcc_typeinfo[i];
break;
}
}
if (newt && newt->num_parms != 0)
redeclaration = true;
else
redeclaration = false;
if (!newt)
{
newt = QCC_PR_NewType(classname, ev_entity, true);
newt->size=type_entity->size;
}
type = NULL;
if (forwarddeclaration)
return newt;
if (pr_scope)
QCC_PR_ParseError(ERR_REDECLARATION, "Declaration of class %s within function", classname);
if (redeclaration && fieldtype != newt->parentclass)
QCC_PR_ParseError(ERR_REDECLARATION, "Parent class changed on redeclaration of %s", classname);
newt->parentclass = fieldtype;
if (QCC_PR_CheckToken(","))
QCC_PR_ParseError(ERR_NOTANAME, "member missing name");
while (!QCC_PR_CheckToken("}"))
{
pbool havebody = false;
pbool isnull = false;
pbool isvirt = false;
pbool isnonvirt = false;
pbool isstatic = false;
pbool isignored = false;
while(1)
{
if (QCC_PR_CheckKeyword(1, "nonvirtual"))
isnonvirt = true;
else if (QCC_PR_CheckKeyword(1, "static"))
isstatic = true;
else if (QCC_PR_CheckKeyword(1, "virtual"))
isvirt = true;
else if (QCC_PR_CheckKeyword(1, "ignore"))
isignored = true;
else if (QCC_PR_CheckKeyword(1, "strip"))
isignored = true;
else
break;
}
newparm = QCC_PR_ParseType(false, false);
if (!newparm)
QCC_PR_ParseError(ERR_INTERNAL, "In class %s, expected type, found %s", classname, pr_token);
if (newparm->type == ev_struct || newparm->type == ev_union) //we wouldn't be able to handle it.
QCC_PR_ParseError(ERR_INTERNAL, "Struct or union in class %s", classname);
parmname = QCC_PR_ParseName();
if (QCC_PR_CheckToken("["))
{
arraysize = QCC_PR_IntConstExpr();
QCC_PR_Expect("]");
}
else
arraysize = 0;
if (newparm->type == ev_function)
{
if (isstatic)
{
isstatic = false;
isnonvirt = true;
// QCC_PR_ParseError(ERR_INTERNAL, "%s::%s static member functions are not supported at this time.", classname, parmname);
}
if (!strcmp(classname, parmname))
{
if (isstatic)
QCC_PR_ParseError(ERR_INTERNAL, "Constructor %s::%s may not be static.", classname, pr_token);
if (!isvirt)
isnonvirt = true;//silently promote constructors to static
}
else if (!isvirt && !isnonvirt && !isstatic)
{
QCC_PR_ParseWarning(WARN_MISSINGMEMBERQUALIFIER, "%s::%s was not qualified. Assuming non-virtual.", classname, parmname);
isnonvirt = true;
}
if (isvirt+isnonvirt+isstatic != 1)
QCC_PR_ParseError(ERR_INTERNAL, "Multiple conflicting qualifiers on %s::%s.", classname, pr_token);
}
else
{
if (isvirt|isnonvirt)
QCC_Error(ERR_INTERNAL, "virtual keyword on member that is not a function");
}
if (newparm->type == ev_function)
{
if (QCC_PR_CheckToken("="))
{
havebody = true;
}
else if (pr_token[0] == '{')
havebody = true;
}
if (havebody)
{
QCC_def_t *def;
QCC_function_t *f;
if (pr_scope)
QCC_Error(ERR_INTERNAL, "Nested function declaration");
isnull = (QCC_PR_CheckImmediate("0") || QCC_PR_CheckImmediate("0i"));
QC_snprintfz(membername, sizeof(membername), "%s::%s", classname, parmname);
if (isnull)
{
if (isignored)
def = NULL;
else
{
def = QCC_PR_GetDef(newparm, membername, NULL, true, 0, 0);
def->symboldata[def->ofs].function = 0;
def->initialized = 1;
}
}
else
{
if (isignored)
def = NULL;
else
def = QCC_PR_GetDef(newparm, membername, NULL, true, 0, GDF_CONST);
if (newparm->type != ev_function)
QCC_Error(ERR_INTERNAL, "Can only initialise member functions");
else
{
if (autoprototype || isignored)
{
QCC_PR_Expect("{");
{
int blev = 1;
//balance out the { and }
while(blev)
{
if (pr_token_type == tt_eof)
break;
if (QCC_PR_CheckToken("{"))
blev++;
else if (QCC_PR_CheckToken("}"))
blev--;
else
QCC_PR_Lex(); //ignore it.
}
}
}
else
{
pr_classtype = newt;
f = QCC_PR_ParseImmediateStatements (def, newparm);
pr_classtype = NULL;
pr_scope = NULL;
def->symboldata[def->ofs].function = f - functions;
f->def = def;
def->initialized = 1;
}
}
}
if (def)
QCC_FreeDef(def);
if (!isvirt && !isignored)
{
QCC_def_t *fdef;
QCC_type_t *pc;
unsigned int i;
for (pc = newt->parentclass; pc; pc = pc->parentclass)
{
for (i = 0; i < pc->num_parms; i++)
{
if (!strcmp(pc->params[i].paramname, parmname))
{
QCC_PR_ParseWarning(WARN_DUPLICATEDEFINITION, "%s::%s is virtual inside parent class '%s'. Did you forget the 'virtual' keyword?", newt->name, parmname, pc->name);
break;
}
}
if (i < pc->num_parms)
break;
}
if (!pc)
{
fdef = QCC_PR_GetDef(NULL, parmname, NULL, false, 0, GDF_CONST);
if (fdef && fdef->type->type == ev_field)
{
QCC_PR_ParseWarning(WARN_DUPLICATEDEFINITION, "%s::%s is virtual inside parent class 'entity'. Did you forget the 'virtual' keyword?", newt->name, parmname);
}
}
}
}
QCC_PR_Expect(";");
if (isignored) //member doesn't really exist
continue;
//static members are technically just funny-named globals, and do not generate fields.
if (isnonvirt || isstatic || (newparm->type == ev_function && !arraysize))
{
QC_snprintfz(membername, sizeof(membername), "%s::%s", classname, parmname);
QCC_FreeDef(QCC_PR_GetDef(newparm, membername, NULL, true, 0, GDF_CONST));
if (isnonvirt || isstatic)
continue;
}
fieldtype = QCC_PR_NewType(parmname, ev_field, false);
fieldtype->aux_type = newparm;
fieldtype->size = newparm->size;
parms = realloc(parms, sizeof(*parms) * (numparms+1));
parms[numparms].ofs = 0;
parms[numparms].optional = false;
parms[numparms].paramname = parmname;
parms[numparms].arraysize = arraysize;
parms[numparms].type = newparm;
basicindex = 0;
found = false;
for(pc = newt; pc && !found; pc = pc->parentclass)
{
struct QCC_typeparam_s *pp;
int numpc;
int i;
if (pc == newt)
{
pp = parms;
numpc = numparms;
}
else
{
pp = pc->params;
numpc = pc->num_parms;
}
for (i = 0; i < numpc; i++)
{
if (pp[i].type->type == newparm->type)
{
if (!strcmp(pp[i].paramname, parmname))
{
if (typecmp(pp[i].type, newparm))
{
char bufc[256];
char bufp[256];
TypeName(pp[i].type, bufp, sizeof(bufp));
TypeName(newparm, bufc, sizeof(bufc));
QCC_PR_ParseError(0, "%s defined as %s in %s, but %s in %s\n", parmname, bufc, newt->name, bufp, pc->name);
}
basicindex = pp[i].ofs;
found = true;
break;
}
if ((unsigned int)basicindex < pp[i].ofs+1) //if we found one with the index
basicindex = pp[i].ofs+1; //make sure we don't union it.
}
}
}
parms[numparms].ofs = basicindex; //ulp, its new
numparms++;
if (found)
continue;
if (!*basictypes[newparm->type])
QCC_PR_ParseError(0, "members of type %s are not supported (%s::%s)\n", basictypenames[newparm->type], classname, parmname);
//make sure the union is okay
d = QCC_PR_GetDef(NULL, parmname, NULL, 0, 0, GDF_CONST);
if (!d)
{ //don't go all weird with unioning generic fields
QC_snprintfz(membername, sizeof(membername), "::%s%i", basictypenames[newparm->type], basicindex+1);
d = QCC_PR_GetDef(NULL, membername, NULL, 0, 0, GDF_CONST);
if (!d)
{
d = QCC_PR_GetDef(QCC_PR_FieldType(*basictypes[newparm->type]), membername, NULL, 2, 0, GDF_CONST);
for (i = 0; (unsigned int)i < newparm->size; i++)
d->symboldata[i]._int = pr.size_fields+i;
pr.size_fields += i;
d->referenced = true; //always referenced, so you can inherit safely.
}
}
QCC_FreeDef(d);
//and make sure we can do member::__fname
//actually, that seems pointless.
QC_snprintfz(membername, sizeof(membername), "%s::"MEMBERFIELDNAME, classname, parmname);
// printf("define %s -> %s\n", membername, d->name);
d = QCC_PR_DummyDef(fieldtype, membername, pr_scope, 0, d, 0, true, (isnull?0:GDF_CONST)|(opt_classfields?GDF_STRIP:0));
d->referenced = true; //always referenced, so you can inherit safely.
}
if (redeclaration)
{
int i;
redeclaration = newt->num_parms != numparms;
for (i = 0; i < numparms && (unsigned int)i < newt->num_parms; i++)
{
if (newt->params[i].arraysize != parms[i].arraysize || typecmp(newt->params[i].type, parms[i].type) || strcmp(newt->params[i].paramname, parms[i].paramname))
{
QCC_PR_ParseError(ERR_REDECLARATION, "Incompatible redeclaration of class %s. %s differs.", classname, parms[i].paramname);
break;
}
}
if (newt->num_parms != numparms)
QCC_PR_ParseError(ERR_REDECLARATION, "Incompatible redeclaration of class %s.", classname);
}
else
{
newt->num_parms = numparms;
newt->params = qccHunkAlloc(sizeof(*type->params) * numparms);
memcpy(newt->params, parms, sizeof(*type->params) * numparms);
}
free(parms);
{
QCC_def_t *d;
//if there's a constructor, make sure the spawnfunc_ function is defined so that its available to maps.
QC_snprintfz(membername, sizeof(membername), "spawnfunc_%s", classname);
d = QCC_PR_GetDef(type_function, membername, NULL, true, 0, GDF_CONST);
d->funccalled = true;
d->referenced = true;
QCC_FreeDef(d);
}
QCC_PR_Expect(";");
return NULL;
}
structtype = ev_void;
if (QCC_PR_CheckKeyword (keyword_union, "union"))
structtype = ev_union;
else if (QCC_PR_CheckKeyword (keyword_struct, "struct"))
structtype = ev_struct;
if (structtype != ev_void)
{
struct QCC_typeparam_s *parms = NULL;
int numparms = 0;
unsigned int arraysize;
char *parmname;
if (QCC_PR_CheckToken("{"))
{
//nameless struct
newt = QCC_PR_NewType(structtype==ev_union?"<union>":"<struct>", structtype, false);
}
else
{
newt = QCC_TypeForName(pr_token);
if (!newt)
newt = QCC_PR_NewType(QCC_CopyString(pr_token)+strings, ev_struct, true);
QCC_PR_Lex();
if (newt->size)
{
if (QCC_PR_CheckToken("{"))
QCC_PR_ParseError(ERR_NOTANAME, "%s %s is already defined", structtype==ev_union?"union":"struct", newt->name);
return newt;
}
//struct declaration only, not definition.
if (!QCC_PR_CheckToken("{"))
return newt;
}
newt->size=0;
type = NULL;
if (QCC_PR_CheckToken(","))
QCC_PR_ParseError(ERR_NOTANAME, "element missing name");
newparm = NULL;
while (!QCC_PR_CheckToken("}"))
{
if (QCC_PR_CheckToken(","))
{
if (!newparm)
QCC_PR_ParseError(ERR_NOTANAME, "element missing type");
newparm = QCC_PR_NewType(newparm->name, newparm->type, false);
}
else
newparm = QCC_PR_ParseType(false, false);
arraysize = 0;
if (!QCC_PR_CheckToken(";"))
{
parmname = qccHunkAlloc(strlen(pr_token)+1);
strcpy(parmname, pr_token);
QCC_PR_Lex();
if (QCC_PR_CheckToken("["))
{
arraysize=QCC_PR_IntConstExpr();
if (!arraysize)
QCC_PR_ParseError(ERR_NOTANAME, "cannot cope with 0-sized arrays");
QCC_PR_Expect("]");
}
QCC_PR_CheckToken(";");
}
else
parmname = "";
parms = realloc(parms, sizeof(*parms) * (numparms+1));
if (structtype == ev_union)
{
parms[numparms].ofs = 0;
if (newparm->size*(arraysize?arraysize:1) > newt->size)
newt->size = newparm->size*(arraysize?arraysize:1);
}
else
{
parms[numparms].ofs = newt->size;
newt->size += newparm->size*(arraysize?arraysize:1);
}
parms[numparms].arraysize = arraysize;
parms[numparms].optional = false;
parms[numparms].paramname = parmname;
parms[numparms].type = newparm;
numparms++;
}
if (!numparms)
QCC_PR_ParseError(ERR_NOTANAME, "%s %s has no members", structtype==ev_union?"union":"struct", newt->name);
newt->num_parms = numparms;
newt->params = qccHunkAlloc(sizeof(*type->params) * numparms);
memcpy(newt->params, parms, sizeof(*type->params) * numparms);
free(parms);
return newt;
}
type = NULL;
for (i = 0; i < numtypeinfos; i++)
{
if (!qcc_typeinfo[i].typedefed)
continue;
if (!STRCMP(qcc_typeinfo[i].name, name))
{
type = &qcc_typeinfo[i];
break;
}
}
if (i == numtypeinfos)
{
if (!*name)
return NULL;
//some reacc types...
if (!stricmp("Void", name))
type = type_void;
else if (!stricmp("Real", name))
type = type_float;
else if (!stricmp("Vector", name))
type = type_vector;
else if (!stricmp("Object", name))
type = type_entity;
else if (!stricmp("String", name))
type = type_string;
else if (!stricmp("PFunc", name))
type = type_function;
else
{
if (silentfail)
return NULL;
QCC_PR_ParseError (ERR_NOTATYPE, "\"%s\" is not a type", name);
type = type_float; // shut up compiler warning
}
}
QCC_PR_Lex ();
while (QCC_PR_CheckToken("*"))
type = QCC_PointerTypeTo(type);
if (QCC_PR_CheckToken ("(")) //this is followed by parameters. Must be a function.
{
type_inlinefunction = true;
type = QCC_PR_ParseFunctionType(newtype, type);
}
else
{
if (newtype)
{
type = QCC_PR_DuplicateType(type, false);
}
}
return type;
}
#endif
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