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fteqw/engine/qclib/qcc_pr_lex.c
Spoike f35928f4fd OpenXR stuff should be a little more usable now. 
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5850 fc73d0e0-1445-4013-8a0c-d673dee63da5
2021-05-09 13:02:49 +00:00

6403 lines
156 KiB
C
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#if !defined(MINIMAL) && !defined(OMIT_QCC)
#include "qcc.h"
#include "time.h"
#define MEMBERFIELDNAME "__m%s"
#define STRCMP(s1,s2) (((*s1)!=(*s2)) || strcmp(s1,s2)) //saves about 2-6 out of 120 - expansion of idea from fastqcc
void QCC_PR_PreProcessor_Define(pbool append);
pbool QCC_PR_UndefineName(const char *name);
const char *QCC_PR_CheckCompConstString(const char *def);
CompilerConstant_t *QCC_PR_CheckCompConstDefined(const char *def);
int QCC_PR_CheckCompConst(void);
pbool QCC_Include(const char *filename);
void QCC_FreeDef(QCC_def_t *def);
extern pbool destfile_explicit;
extern char destfile[1024];
//static const QCC_sref_t nullsref = {0};
#define MAXINCLUDEDIRS 8
char qccincludedir[MAXINCLUDEDIRS][256]; //the -src path, for #includes
struct qccincludeonced_s
{
struct qccincludeonced_s *next;
char name[1];
} *qccincludeonced; //the -src path, for #includes
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_eval_t pr_immediate;
char pr_immediate_string[8192];
size_t pr_immediate_strlen;
int pr_error_count;
int pr_warning_count;
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, pbool dowrap);
QCC_type_t *QCC_PR_FieldType (QCC_type_t *pointsto);
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_double; //double
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; //int32
QCC_type_t *type_uint; //uint32
QCC_type_t *type_int64; //int64
QCC_type_t *type_uint64; //uint64
QCC_type_t *type_variant; //__variant
QCC_type_t *type_floatpointer; //float *
QCC_type_t *type_intpointer; //int *
QCC_type_t *type_bint; //int (0 or 1)
QCC_type_t *type_bfloat; //float (0.0 or 1.0, and never -0.0)
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);
QCC_type_t *QCC_PR_ParseEnum(pbool flags);
//for compiler constants and file includes.
qcc_includechunk_t *currentchunk;
void QCC_PR_CloseProcessor(void)
{
int i;
for (i = 0; i < MAXINCLUDEDIRS; i++)
*qccincludedir[i] = 0;
currentchunk = NULL;
qccincludeonced = NULL;
}
void QCC_PR_AddIncludePath(const char *newinc)
{
int i;
if (!*newinc)
{
newinc = ".";
// QCC_PR_ParseWarning(WARN_STRINGTOOLONG, "Invalid include path.");
// return;
}
for (i = 0; i < MAXINCLUDEDIRS; i++)
{
if (!*qccincludedir[i])
{
pbool trunc;
const char *e = newinc + strlen(newinc)-1;
trunc = !QC_strlcpy(qccincludedir[i], newinc, sizeof(qccincludedir));
if (*e != '/' && *e != '\\')
trunc |= !QC_strlcat(qccincludedir[i], "/", sizeof(qccincludedir));
if (trunc)
{
QCC_PR_ParseWarning(WARN_STRINGTOOLONG, "Include path too long.");
*qccincludedir[i] = 0;
}
break;
}
if (!strcmp(qccincludedir[i], newinc))
break;
}
if (i == MAXINCLUDEDIRS)
{
QCC_PR_ParseWarning(WARN_STRINGTOOLONG, "Too many include dirs. Ignoring and hoping the stars align.");
}
}
static 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->currentfilename = s_filen;
chunk->currentlinenumber = pr_source_line;
chunk->cnst = cnst;
if( cnst )
{
#if 0
s_filen = cnst->fromfile;
pr_source_line = cnst->fromline;
#else
int b = strlen(s_filen)+1+8+strlen(cnst->name);
char *p;
if (b > 128)
b = 128;
s_filen = p = qccHunkAlloc(b);
QC_snprintfz(p, b, "%s:%i:%s", chunk->currentfilename, chunk->currentlinenumber, cnst->name);
pr_source_line = 1;
#endif
cnst->inside++;
}
else
pr_source_line = 1;
if (duplicate)
{
pr_file_p = qccHunkAlloc(strlen(data)+1);
strcpy(pr_file_p, data);
}
else
pr_file_p = data;
chunk->datastart = pr_file_p;
}
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;
s_filen = currentchunk->currentfilename;
currentchunk = currentchunk->prev;
return true;
}
//expresses a relative path relative to an existing FILEname. any directories in base must be / terminated properly.
void QCC_JoinPaths(char *fullname, size_t fullnamesize, const char *newfile, const char *base)
{
char *end;
if (*newfile == '/' || *newfile == '\\')
{ //its an absolute path...
QC_strlcpy(fullname, newfile, fullnamesize);
return;
}
QC_strlcpy(fullname, base, fullnamesize);
end = fullname+strlen(fullname);
while (end > fullname)
{
end--;
if (*end == '/' || *end == '\\')
{
end++;
break;
}
}
QC_strlcpy(end, newfile, fullnamesize - (end-fullname));
//FIXME: do we want to convert /segment/../ into just / ?
//fteqw might insist on it for its filesystem sandboxing.
//but it breaks symlink weirdness (itself a possible security hole).
//should probably be a separate function.
}
extern char qccmsourcedir[];
//also meant to include it.
void QCC_FindBestInclude(char *newfile, char *currentfile, pbool verbose)
{
struct qccincludeonced_s *onced;
int includepath = 0;
char fullname[1024];
if (!*newfile)
return;
while(1)
{
if (includepath)
{
if (includepath > MAXINCLUDEDIRS || !*qccincludedir[includepath-1])
QCC_Error(ERR_COULDNTOPENFILE, "Couldn't open file %s", newfile);
currentfile = qccincludedir[includepath-1];
}
QCC_JoinPaths(fullname, sizeof(fullname), newfile, currentfile);
{
extern progfuncs_t *qccprogfuncs;
if (qccprogfuncs->funcs.parms->FileSize(fullname) == -1)
{
includepath++;
continue;
}
}
break;
}
for(onced = qccincludeonced; onced; onced = onced->next)
{
if (!strcmp(onced->name, fullname))
return;
}
if (verbose)
{
if (verbose == 2)
{
if (autoprototype)
externs->Printf("prototyping %s\n", fullname);
else
externs->Printf("compiling %s\n", fullname);
}
else
{
if (autoprototype)
externs->Printf("prototyping include %s\n", fullname);
else
externs->Printf("including %s\n", fullname);
}
}
QCC_Include(fullname);
}
pbool defaultnoref;
pbool defaultnosave;
pbool defaultstatic;
int ForcedCRC;
float qcc_framerate;
int QCC_PR_LexInteger (void);
void QCC_AddFile (char *filename);
void QCC_PR_LexString (void);
pbool QCC_PR_SimpleGetToken (void);
pbool QCC_PR_SimpleGetString(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
static 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;
}
struct deflist_s
{
char *buffer;
size_t length;
size_t buffersize;
};
static void QCC_PR_GetDefinesListEnumerate(void *vctx, void *data)
{
struct deflist_s *ctx = vctx;
CompilerConstant_t *def = data;
char term[8192];
size_t termsize;
pbool success = true;
QC_snprintfz(term, sizeof(term), "\n%s", def->name);
if (def->numparams >= 0)
{
int i;
success &= QC_strlcat(term, "(", sizeof(term));
for (i = 0; i < def->numparams; i++)
{
if (i)
success &= QC_strlcat(term, ",", sizeof(term));
success &= QC_strlcat(term, def->params[i], sizeof(term));
}
success &= QC_strlcat(term, ")", sizeof(term));
}
if (def->value && *def->value)
{
char *o, *i;
success &= QC_strlcat(term, "=", sizeof(term));
//annoying logic to skip whitespace... hopefully it won't fuck stuff up too much.
for (o = term+strlen(term), i = def->value; o < term + sizeof(term)-1 && *i; )
{
if (*i == ' ' || *i == '\t' || *i == '\n' || *i == '\r')
i++;
else
*o++ = *i++;
}
*o = 0;
}
if (!success) //this define was too long. don't show truncated stuff.
return;
termsize = strlen(term);
if (ctx->length + termsize+1 > ctx->buffersize)
{
ctx->buffersize = (ctx->length + termsize+1)*2;
ctx->buffer = realloc(ctx->buffer, ctx->buffersize);
}
memcpy(ctx->buffer+ctx->length, term, termsize);
ctx->length += termsize;
ctx->buffer[ctx->length] = 0;
}
char *QCC_PR_GetDefinesList(void)
{
struct deflist_s ctx = {NULL};
Hash_Enumerate(&compconstantstable, QCC_PR_GetDefinesListEnumerate, &ctx);
return ctx.buffer;
}
//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++;
}
}
}
//if hadtrue, then we allow elses, otherwise we skip them.
static pbool QCC_PR_FalsePreProcessorIf(pbool hadtrue, int originalline)
{
int eval;
int level = 1;
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 (!hadtrue && !strncmp(pr_file_p, "else", 4) && level == 1)
{
pr_file_p+=4;
QCC_PR_SkipToEndOfLine(true);
return true;
}
if (!hadtrue && !strncmp(pr_file_p, "elif", 4) && level == 1)
{
// QCC_PR_ParseError(ERR_UNKNOWNPUCTUATION, "#elif not supported\n");
pr_file_p += 4;
if (!strncmp(pr_file_p, "def", 3))
{
eval = 1;
pr_file_p += 3;
}
else if (!strncmp(pr_file_p, "ndef", 4))
{
eval = 0;
pr_file_p += 4;
}
else
eval = 2;
if (*pr_file_p != ' ' && *pr_file_p != '\t')
QCC_PR_ParseError(ERR_UNKNOWNPUCTUATION, "malformed #elif\n");
if (eval == 2)
eval = ParsePrecompilerIf(PPI_TOPLEVEL);
else
{
QCC_PR_SimpleGetToken ();
if (eval)
eval = !!QCC_PR_CheckCompConstDefined(pr_token);
else
eval = !QCC_PR_CheckCompConstDefined(pr_token);
}
if (eval)
{
QCC_PR_SkipToEndOfLine(true);
return true;
}
}
}
QCC_PR_SkipToEndOfLine(false);
if (level <= 0)
return false;
pr_file_p++; //next line
pr_source_line++;
}
}
#if 0
static void QCC_PR_PackagerMessage(void *userctx, char *message, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,message);
QC_vsnprintf (string,sizeof(string)-1,message,argptr);
va_end (argptr);
externs->Printf ("%s", string);
}
#endif
/*
==============
QCC_PR_Precompiler
==============
Runs precompiler stage
*/
static pbool QCC_PR_Precompiler(void)
{
char msg[1024];
int ifmode;
int a;
static int ifs = 0;
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);
if (eval)
ifs+=1;
else
ifs += QCC_PR_FalsePreProcessorIf(false, originalline);
}
}
else if (!strncmp(directive, "else", 4) || !strncmp(directive, "elif", 4))
{
int originalline = pr_source_line;
if (!ifs)
QCC_PR_ParseError(ERR_UNKNOWNPUCTUATION, "#else outside of #if\n");
ifs -= 1;
pr_file_p = directive+4;
if (!strncmp(directive, "elif", 4))
QCC_PR_SkipToEndOfLine(false);
else
QCC_PR_SkipToEndOfLine(true);
ifs += QCC_PR_FalsePreProcessorIf(true, originalline);
}
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", 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", 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)
externs->Printf ("%s(%i) : #message: %s\n", s_filen, pr_source_line, msg);
else
externs->Printf ("%s:%i: #message: %s\n", s_filen, 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, "package", 7))
{
pr_file_p=directive+7;
QCC_PR_SkipToEndOfLine(true);
#if 0
if (!autoprototype)
{
struct pkgctx_s *ctx = Packager_Create(QCC_PR_PackagerMessage, NULL);
Packager_ParseText(ctx, pr_file_p);
Packager_WriteDataset(ctx, NULL);
Packager_Destroy(ctx);
}
#endif
pr_file_p += strlen(pr_file_p);
}
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, "merge", 5))
{
pr_file_p=directive+5;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
QCC_PR_SimpleGetString();
externs->Printf("Merging from %s\n", pr_token);
QCC_ImportProgs(pr_token);
if (!*destfile && !destfile_explicit)
{
QCC_JoinPaths(destfile, sizeof(destfile), pr_token, compilingfile);
externs->Printf("Outputfile: %s\n", destfile);
}
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 (!flag_hashonly && 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, 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;
pr_file_p++;
QCC_FindBestInclude(msg, compilingfile, false);
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_SimpleGetString();
externs->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))
{
pr_file_p=directive+6;
while(qcc_iswhitesameline(*pr_file_p))
pr_file_p++;
QCC_PR_SimpleGetString();
if (!destfile_explicit)
{
QCC_JoinPaths(destfile, sizeof(destfile), pr_token, compilingfile);
externs->Printf("Outputfile: %s\n", pr_token);
}
QCC_PR_SkipToEndOfLine(true);
}
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;
if (*pr_file_p != '(')
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"))
{
QCC_PR_LexWhitespace(false);
while (*pr_file_p)
{
if (!qcc_iswhite(*pr_file_p))
pr_file_p++;
QCC_PR_LexWhitespace(false);
}
}
else if (!QC_strcasecmp(qcc_token, "COPYRIGHT"))
{
char *e = strrchr(msg+1, '\"');
if (*msg == '\"' && e && e != msg)
{ //FIXME: handle \ns
memmove(msg, msg+1, e-(msg+1));
msg[e-(msg+1)] = 0;
}
if (!QC_strlcpy(QCC_copyright, msg, sizeof(QCC_copyright)))
QCC_PR_ParseWarning(WARN_STRINGTOOLONG, "Copyright message is too long\n");
}
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, "framerate"))
{
qcc_framerate = atof(msg);
}
else if (!QC_strcasecmp(qcc_token, "once"))
{
struct qccincludeonced_s *onced = qccHunkAlloc(sizeof(*onced) + strlen(compilingfile));
strcpy(onced->name, compilingfile);
onced->next = qccincludeonced;
qccincludeonced = onced;
}
else if (!QC_strcasecmp(qcc_token, "file"))
{ //#pragma file(foobar.qc)
if (!flag_nopragmafileline)
{
char *e;
char *m = msg;
if (*m == '(')
{
m++;
e = strchr(m, ')');
if (e)
*e = 0;
}
s_filen = e = qccHunkAlloc(strlen(m)+1);
strcpy(e, m);
if (opt_filenames)
{
optres_filenames += strlen(m);
s_filed = 0;
}
else
s_filed = QCC_CopyString (m);
}
}
else if (!QC_strcasecmp(qcc_token, "line"))
{ //#pragma line(666)
if (!flag_nopragmafileline)
{
char *m = msg;
if (*m == '(')
m++;
pr_source_line = strtoul(m, &m, 0)-1;
}
}
else if (!QC_strcasecmp(qcc_token, "includedir"))
{
char newinc[1024];
int i;
QCC_COM_Parse(msg);
if (*qcc_token)
{
i = qcc_token[strlen(qcc_token)-1];
if (i != '/' && i != '\\')
QC_strlcat(qcc_token, "/", sizeof(qcc_token));
}
QCC_JoinPaths(newinc, sizeof(newinc), qcc_token, compilingfile);
QCC_PR_AddIncludePath(newinc);
}
else if (!QC_strcasecmp(qcc_token, "noref"))
defaultnoref = !!atoi(msg);
else if (!QC_strcasecmp(qcc_token, "nosave"))
defaultnosave = !!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"))
{
char *s = msg;
while ((s = QCC_COM_Parse(s)))
QCC_RegisterSourceFile(qcc_token);
}
else if (!QC_strcasecmp(qcc_token, "TARGET"))
{
QCC_COM_Parse(msg);
if (!QCC_OPCodeSetTargetName(qcc_token))
QCC_PR_ParseWarning(WARN_BADTARGET, "Unknown target \'%s\'. Ignored.\nValid targets are: ID, HEXEN2, FTE, FTEH2, KK7, DP(patched)", qcc_token);
}
else if (!QC_strcasecmp(qcc_token, "PROGS_SRC"))
{ //doesn't make sense, 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.
char olddest[1024];
Q_strlcpy(olddest, destfile, sizeof(olddest));
QCC_COM_Parse(msg);
if (!destfile_explicit) //if output file is named on the commandline, don't change it mid-compile
QCC_JoinPaths(destfile, sizeof(destfile), qcc_token, compilingfile);
if (strcmp(destfile, olddest))
externs->Printf("Outputfile: %s\n", destfile);
}
else if (!QC_strcasecmp(qcc_token, "opcode"))
{
int st;
char *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, "opcode state not recognised");
st = -1;
}
if (st >= 0)
{
int f;
while ((s = QCC_COM_Parse(s)))
{
for (f = 0; pr_opcodes[f].opname; f++)
{
if (!QC_strcasecmp(pr_opcodes[f].opname, qcc_token))
{
if (st)
pr_opcodes[f].flags |= OPF_VALID;
else
pr_opcodes[f].flags &= ~OPF_VALID;
break;
}
}
if (!pr_opcodes[f].opname)
QCC_PR_ParseWarning(WARN_BADPRAGMA, "opcode %s not recognised", qcc_token);
}
}
}
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)
{
int f;
while ((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;
if (compiler_flag[f].enabled == &flag_cpriority)
QCC_PrioritiseOpcodes();
}
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;
while ((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_SkipToEndOfLine(false);
QCC_PR_ParseWarning(WARN_BADPRAGMA, "Unknown pragma \'%s\'", qcc_token);
}
QCC_PR_SkipToEndOfLine(true);
}
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
==============
*/
int QCC_PR_LexEscapedCodepoint(void)
{ //for "\foo" or '\foo' handling.
//caller will have read the \ already.
int t;
int 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 == '#') //avoid preqcc expansion in strings.
c = '#';
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')
// c = 0; //invalid...
//else if (c == 'b')
// c = '\b';
else if (c == '[')
c = 0xe010; //quake specific
else if (c == ']')
c = 0xe011; //quake specific
else if (c == '{')
{
int d;
c = 0;
if (*pr_file_p == 'x')
{
pr_file_p++;
while ((d = *pr_file_p++) != '}')
{
if (d >= '0' && d <= '9')
c = c * 16 + d - '0';
else if (d >= 'a' && d <= 'f')
c = c * 16 + 10+d - 'a';
else if (d >= 'A' && d <= 'F')
c = c * 16 + 10+d - 'A';
else
QCC_PR_ParseError(ERR_BADCHARACTERCODE, "Bad character code");
}
}
else
{
while ((d = *pr_file_p++) != '}')
{
if (d >= '0' && d <= '9')
c = c * 10 + d - '0';
else
QCC_PR_ParseError(ERR_BADCHARACTERCODE, "Bad character code");
}
}
}
else if (c == '.')
c = 0xe01c;
else if (c == '<')
c = 0xe01d; //separator start
else if (c == '-')
c = 0xe01e; //separator middle
else if (c == '>')
c = 0xe01f; //separator end
else if (c == '(')
c = 0xe080; //slider start
else if (c == '=')
c = 0xe081; //slider middle
else if (c == ')')
c = 0xe082; //slider end
else if (c == '+')
c = 0xe083; //slider box
else if (c == 'u' || c == 'U')
{
//lower case u specifies exactly 4 nibbles.
//upper case U specifies exactly 8 nibbles.
unsigned int nibbles = (c=='u')?4:8;
c = 0;
while (nibbles --> 0)
{
t = (unsigned char)*pr_file_p;
if (t >= '0' && t <= '9')
c = (c*16) + (t - '0');
else if (t >= 'A' && t <= 'F')
c = (c*16) + (t - 'A') + 10;
else if (t >= 'a' && t <= 'f')
c = (c*16) + (t - 'a') + 10;
else
break;
pr_file_p++;
}
if (nibbles)
QCC_PR_ParseWarning(ERR_BADCHARACTERCODE, "Unicode character terminated unexpectedly");
}
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 = 0xe012 + 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);
return c;
}
void QCC_PR_LexString (void)
{
unsigned int c, t;
int bytecount;
int len = 0;
char *end;
const char *cnst;
int raw;
char rawdelim[64];
int stringtype;
//0 - quake output, input is 8bit. warnings when its not ascii. \u will still give utf-8 text, other chars as-is. Expect \s to screw everything up with utf-8 output.
//1 - quake output, input is utf-8. due to editors not supporting it, that generally means the input (ab)uses markup.
//2 - utf-8 output, input is utf-8. welcome to the future! unfortunately not the present.
int texttype;
pbool first = true;
for(;;)
{
raw = 0;
texttype = 0;
QCC_PR_LexWhitespace(false);
if (flag_qccx && *pr_file_p == ':')
{
pr_file_p++;
pr_token[len++] = 0;
continue;
}
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++;
}
stringtype = 0;
}
else if (*pr_file_p == 'Q' && pr_file_p[1] == '\"')
{ //quake output with utf-8 input (expect to need markup).
stringtype = 1;
pr_file_p+=2;
}
else if ((*pr_file_p == 'U' || *pr_file_p == 'u' || *pr_file_p == 'L') && pr_file_p[1] == '\"')
{ //unicode string, char32_t, char16_t, wchar_t respectively. we spit out utf-8 regardless.
QCC_PR_ParseWarning(WARN_NOTUTF8, "char32_t/char16_t/wchar_t strings are not supported, treating as u8 prefix (as utf-8)");
stringtype = 2;
pr_file_p+=2;
}
else if (*pr_file_p == 'u' && pr_file_p[1] == '8' && pr_file_p[2] == '\"')
{ //utf-8 string.
stringtype = 2;
pr_file_p+=3;
}
else if (*pr_file_p == '\"')
{
stringtype = flag_utf8strings?2:0;
pr_file_p++;
}
else if (first)
{
stringtype = 0;
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 (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 though.
if (c == '\r' && *pr_file_p != '\n')
pr_source_line++; //mac
if (c == '\n') //dos/unix
pr_source_line++;
goto forcebyte;
}
else
{
if (c=='\n')
QCC_PR_ParseError (ERR_INVALIDSTRINGIMMEDIATE, "newline inside quote");
if (c=='\\')
{ // escape char
c = *pr_file_p; //peek at it, for our hacks.
if (c == 's' || c == 'b')
{
pr_file_p++;
texttype ^= 0xe080;
continue;
}
else if (c == '.')
{
pr_file_p++;
c = 0xe01c | texttype;
}
else if (c == 'u' || c == 'U')
{ //special hack, \u is a utf-8 code regardless of output encoding...
c = QCC_PR_LexEscapedCodepoint();
goto forceutf8;
}
else if (c == 'x' || c == 'X')
{ //special hack, \xXX in a string is an explicit byte regardless of encoding.
c = QCC_PR_LexEscapedCodepoint();
// if (c > 0xff)
// QCC_PR_ParseWarning(ERR_BADCHARACTERCODE, "Bad unicode character code - codepoint %#x is above 0xFF", c);
goto forcebyte;
}
else
{
c = QCC_PR_LexEscapedCodepoint();
// if (stringtype != 2 && c > 0xff)
// QCC_PR_ParseWarning(ERR_BADCHARACTERCODE, "Bad legacy character code - codepoint %#x is above 0xFF", 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)
{
if (*pr_file_p)
QCC_PR_ParseWarning(WARN_MACROINSTRING, "Unable to expand string macro %s", pr_file_p);
}
else if (cnst)
{
QCC_PR_ParseWarning(WARN_MACROINSTRING, "Macro %s expansion in string", pr_file_p);
*end = c;
if (len+strlen(cnst) >= sizeof(pr_token)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %u", (unsigned)sizeof(pr_token)-1);
strcpy(pr_token+len, cnst);
bytecount=strlen(cnst);
while (bytecount > 0 && qcc_iswhitesameline(pr_token[len+bytecount-1]))
bytecount--; //make sure there's no trailing whitespace on the end.
len+=bytecount;
pr_file_p = end;
continue;
}
*end = c;
c = '#'; //undo
}
else if (c == 0x7C && flag_acc) //reacc support... reacc is strange.
c = '\n';
else
{
unsigned int cp = c;
unsigned int len = stringtype?utf8_check(pr_file_p-1, &cp):0;
if (!len)
{ //invalid utf-8 encoding? don't treat it as utf-8!
if (stringtype)
QCC_PR_ParseWarning(ERR_BADCHARACTERCODE, "Input string is not valid utf-8");
if (c >= ' ')
c |= texttype;
goto forcebyte;
}
if (texttype)
{
if (cp < ' ')
c = cp; //don't mask C0 chars like \t or \n
else if (cp < 0x80)
c = cp|0xe080; //DO mask other ascii chars (and map to the private-use range at the same time, because this isn't standard unicode any more)
else
{
QCC_PR_ParseWarning(ERR_BADCHARACTERCODE, "Unable to mask non-ascii chars. Attempting to mask bytes");
c |= texttype;
goto forcequake;
}
}
else
c = cp;
pr_file_p += len-1;
}
}
// if (c >= 0x20 && c < 0x80)
// c |= 0xe000; //TEST
if (stringtype == 2)
{ //we're outputting a utf-8 string.
forceutf8:
if (c > 0x10FFFFu) //RFC 3629 imposes the same limit as UTF-16 surrogate pairs.
QCC_PR_ParseWarning(WARN_NOTUTF8, "Bad unicode character code - codepoint is above 0x10FFFFu");
//figure out the count of bytes required to encode this char
bytecount = 1;
t = 0x80;
while (c >= t)
{
if (bytecount == 1)
t <<= 4;
else if (bytecount < 7)
t <<= 5;
else
t <<= 6;
bytecount++;
}
//error if needed
if (len+bytecount >= sizeof(pr_token))
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %u", (unsigned)sizeof(pr_token)-1);
//output it.
if (bytecount == 1)
pr_token[len++] = (unsigned char)(c&0x7f);
else
{
t = bytecount*6;
t = t-6;
pr_token[len++] = (unsigned char)((c>>t)&(0x0000007f>>bytecount)) | (0xffffff00 >> bytecount);
do
{
t = t-6;
pr_token[len++] = (unsigned char)((c>>t)&0x3f) | 0x80;
} while(t);
}
}
else
{
forcequake:
//we need to convert it to a quake char...
if (c >= 0xe000 && c <= 0xe0ff)
c = c & 0xff; //this private use range is commonly used for quake's glyphs.
else if (c >= 0 && c <= 0x7f)
; //FIXME: SOME c0 codes are known to quake, but many got reused for random glyphs. however I'm going to treat quake as full ascii.
else if (c >= 0x80)
{
//FIXME: spit it out as ^{xxxxxx} instead
QCC_PR_ParseWarning(WARN_NOTUTF8, "Cannot convert character to quake's charset");
}
forcebyte:
if (len >= sizeof(pr_token)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %u", (unsigned)sizeof(pr_token)-1);
pr_token[len] = c;
len++;
}
}
}
if (len > sizeof(pr_immediate_string)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %u", (unsigned)sizeof(pr_immediate_string)-1);
pr_token[len] = 0;
pr_token_type = tt_immediate;
pr_immediate_type = type_string;
memcpy(pr_immediate_string, pr_token, len+1);
pr_immediate_strlen = len;
/*if (qccwarningaction[WARN_NOTUTF8] && stringtype != 1)
{
unsigned int code;
size_t c;
for (c = 0; c < pr_immediate_strlen; )
{
len = utf8_check(&pr_token[c], &code);
if (!len || c+len>pr_immediate_strlen)
{
QCC_PR_ParseWarning(WARN_NOTUTF8, "String literal is not valid utf-8");
break;
}
c += len;
}
}*/
}
/*
==============
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_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);
}
#ifdef _MSC_VER
#define longlong __int64
#define LL(x) x##i64
#else
#define longlong long long
#define LL(x) x##ll
#endif
static void QCC_PR_LexNumber (void)
{
int tokenlen = 0;
longlong 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[1] == 'X'))
{
pr_file_p+=2;
base = 16;
pr_token[tokenlen++] = '0';
pr_token[tokenlen++] = 'x';
}
else if (pr_file_p[0] == '0')
{
pr_file_p++;
if (*pr_file_p >= '0' && *pr_file_p <= '9')
QCC_PR_ParseWarning(WARN_GMQCC_SPECIFIC, "A leading 0 is interpreted as base-8.");
base = 8;
pr_token[tokenlen++] = '0';
}
pr_immediate_type = NULL;
//assume base 10 if not stated
if (!base)
base = 10;
while((c = *pr_file_p))
{
if (c >= '0' && c <= '9' && c < '0'+base)
{
pr_token[tokenlen++] = c;
num*=base;
num += c-'0';
}
else if (c >= 'a' && c <= 'z' && c < 'a'+base-10)
{
pr_token[tokenlen++] = c;
num*=base;
num += c -'a'+10;
}
else if (c >= 'A' && c <= 'Z' && c < 'A'+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 = flag_assume_double?type_double:type_float;
while(1)
{
c = *pr_file_p;
if (c >= '0' && c <= '9')
{
pr_token[tokenlen++] = c;
}
else if (c == 'f' || c == 'F')
{
pr_file_p++;
break;
}
else if (c == 'd' || c == 'D')
{
pr_immediate_type = type_double;
pr_file_p++;
break;
}
else
{
break;
}
pr_file_p++;
}
pr_token[tokenlen++] = 0;
if (pr_immediate_type == type_double)
pr_immediate._double = atof(pr_token);
else
pr_immediate._float = (float)atof(pr_token);
goto checkjunk;
}
else if (c == 'f' || c == 'F')
{
pr_token[tokenlen++] = c;
pr_token[tokenlen++] = 0;
pr_file_p++;
pr_immediate_type = type_float;
pr_immediate._float = num*sign;
num*=sign;
if ((longlong)pr_immediate._float != (longlong)num)
QCC_PR_ParseWarning(WARN_OVERFLOW, "numerical overflow");
goto checkjunk;
}
else if (c == 'd' || c == 'D')
{ //note: conflicts with hex. add a dot before it or something.
pr_token[tokenlen++] = c;
pr_token[tokenlen++] = 0;
pr_file_p++;
pr_immediate_type = type_double;
pr_immediate._double = num*sign;
num*=sign;
if ((longlong)pr_immediate._double != (longlong)num)
QCC_PR_ParseWarning(WARN_OVERFLOW, "numerical overflow");
goto checkjunk;
}
else if (c == 'i' || c == 'u' || c == 'l' || c == 'I' || c == 'U' || c == 'L')
{ //length and sign flags can be any order. LL suffix must have the same case (but not necessarily match the sign suffix)
int isunsigned;
int islong = (c == 'l')||(c == 'L');
pr_token[tokenlen++] = c;
pr_file_p++;
if (islong)
{ //length suffix was first.
//long-long?
if (*pr_file_p == c)
pr_token[tokenlen++] = *pr_file_p++;
//check for signed suffix...
c = *pr_file_p;
isunsigned = (c == 'u')||(c=='U');
if (c == 'i' || c == 'I' || isunsigned) //ignore an explicit redundant 'i' char, for not-a-float.
pr_token[tokenlen++] = *pr_file_p++;
}
else
{
isunsigned = (c == 'u')||(c=='U');
//we already made sure it u or i, and its not an l
c = *pr_file_p;
if (c == 'l' || c == 'L')
{
pr_token[tokenlen++] = *pr_file_p++;
islong = true;
//long-long?
if (*pr_file_p == c)
pr_token[tokenlen++] = *pr_file_p++;
}
}
pr_token[tokenlen++] = 0;
num *= sign;
if (islong)
{
pr_immediate_type = (isunsigned)?type_uint64:type_int64;
pr_immediate._int64 = num;
}
else
{
pr_immediate_type = (isunsigned)?type_uint:type_integer;
pr_immediate._int = num;
if ((longlong)pr_immediate._int != (longlong)num)
{
if (((longlong)pr_immediate._int & LL(0xffffffff80000000)) != LL(0xffffffff80000000))
QCC_PR_ParseWarning(WARN_OVERFLOW, "numerical overflow");
}
}
goto checkjunk;
}
else
break;
pr_file_p++;
}
pr_token[tokenlen++] = 0;
if (!pr_immediate_type)
{
//float f = num;
if (flag_assume_integer)// || (base != 10 && sign > 0 && (long long)f != (long long)num))
pr_immediate_type = type_integer;
else if (flag_qccx && base == 16)
{
pr_immediate_type = type_float;
goto qccxhex;
}
else
pr_immediate_type = type_float;
}
if (pr_immediate_type == type_integer)
{
pr_immediate_type = type_integer;
qccxhex:
pr_immediate._int = num*sign;
num*=sign;
if ((longlong)pr_immediate._int != (longlong)num)
{
if (((longlong)pr_immediate._int & LL(0xffffffff80000000)) != LL(0xffffffff80000000))
QCC_PR_ParseWarning(WARN_OVERFLOW, "numerical overflow");
}
}
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);
num*=sign;
if ((longlong)pr_immediate._float != (longlong)num && base == 16)
QCC_PR_ParseWarning(WARN_OVERFLOW, "numerical overflow %lld will be rounded to %f", num, pr_immediate._float);
}
checkjunk:
c = *pr_file_p;
if ( (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_' || (c >= '0' && c <= '9') || (c & 0x80))
QCC_PR_ParseWarning(ERR_NOTANUMBER, "bad suffix on number %s", pr_token);
}
static 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
==============
*/
static void QCC_PR_LexVector (void)
{
int i;
pr_file_p++; //skip the leading ' char
if (*pr_file_p == '\\')
{//extended character constant
pr_file_p++;
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
pr_immediate._float = QCC_PR_LexEscapedCodepoint();
if (*pr_file_p != '\'')
QCC_PR_ParseError (ERR_INVALIDVECTORIMMEDIATE, "Bad character constant");
pr_file_p++;
return;
}
if ((unsigned char)*pr_file_p >= 0x80)
{
int b = utf8_check(pr_file_p, &pr_immediate._int); //utf-8 codepoint.
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
if (flag_qccx)
QCC_PR_ParseWarning(WARN_DENORMAL, "char constant: denormal");
else
pr_immediate._float = pr_immediate._int;
pr_file_p+=b+1;
return;
}
else if (pr_file_p[1] == '\'')
{//character constant
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
if (flag_qccx)
{
QCC_PR_ParseWarning(WARN_DENORMAL, "char constant: denormal");
pr_immediate._int = pr_file_p[0];
}
else
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, "2d 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
==============
*/
static 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
==============
*/
static void QCC_PR_LexPunctuation (void)
{
int i;
int len;
char *p;
pr_token_type = tt_punct;
if (pr_file_p[0] == '*' && pr_file_p[1] == '*' && flag_dblstarexp)
{ //for compat with gmqcc. fteqcc uses *^ internally (which does not conflict with multiplying by dereferenced pointers - sucks for MSCLR c++ syntax)
QCC_PR_ParseWarning(WARN_GMQCC_SPECIFIC, "** is unsafe around pointers, use *^ instead.", pr_token);
strcpy (pr_token, "*^");
pr_file_p += 2;
return;
}
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)'\\' && pr_file_p[1] == '\r' && pr_file_p[2] == '\n')
pr_file_p+=3;
else if ((unsigned char)*pr_file_p == (unsigned char)'\\' && (pr_file_p[1] == '\r' || pr_file_p[1] == '\n'))
pr_file_p+=2;
else
{
if ((unsigned char)*pr_file_p == (unsigned char)0xa0)
QCC_PR_ParseWarning (ERR_UNKNOWNPUCTUATION, "Unsupported 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 (qcc_islineending(c, pr_file_p[1]))
{
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 && !qcc_islineending(pr_file_p[0], pr_file_p[1]))
pr_file_p++;
if (*pr_file_p)
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 (qcc_islineending(pr_file_p[0], pr_file_p[1]))
{
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;
}
if (pr_file_p[0] == '/' && pr_file_p[1] == '*')
QCC_PR_ParseWarning(WARN_NESTEDCOMMENT, "\"/*\" inside comment");
} 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];
struct
{
char name[64];
int value;
const char *file; //compare to s_filen to see if its current or not
} pr_framemacro[MAX_FRAMES];
int pr_nummacros;
int pr_macrovalue; //next value to use
int pr_savedmacro; //for sub-groups.
void QCC_PR_ClearGrabMacros (pbool newfile)
{
if (!newfile)
pr_nummacros = 0;
pr_macrovalue = 0;
pr_savedmacro = -1;
}
static int QCC_PR_FindMacro (char *name)
{
int i;
for (i=pr_nummacros-1 ; i>=0 ; i--)
{
if (!STRCMP (name, pr_framemacro[i].name))
{
if (pr_framemacro[i].file != s_filen)
QCC_PR_ParseWarning(WARN_STALEMACRO, "Stale macro used (%s, defined in %s)", pr_token, pr_framemacro[i].file);
return pr_framemacro[i].value;
}
}
for (i=pr_nummacros-1 ; i>=0 ; i--)
{
if (!stricmp (name, pr_framemacro[i].name))
{
QCC_PR_ParseWarning(WARN_CASEINSENSITIVEFRAMEMACRO, "Case insensitive frame macro (using %s)", pr_framemacro[i].name);
if (pr_framemacro[i].file != s_filen)
QCC_PR_ParseWarning(WARN_STALEMACRO, "Stale macro used (%s, defined in %s)", pr_token, pr_framemacro[i].file);
return pr_framemacro[i].value;
}
}
return -1;
}
static 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;
}
pbool QCC_PR_SimpleGetString(void)
{
int c;
int i = 0;
char *f;
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;
//abort if there's a comment.
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;
}
if (*pr_file_p != '\"')
return false; //nope, not a string.
f = pr_file_p+1;
while (*f)
{
if (*f == '\n' || !*f)
{ //bad string
QCC_Error (ERR_INTERNAL, "new line inside string");
pr_token[0] = 0;
return false;
}
if (*f == '\"')
{ //end-of-string
pr_token[i] = 0;
pr_file_p = f+1;
return false;
}
if (i == sizeof(qcc_token)-1)
QCC_Error (ERR_INTERNAL, "token exceeds %i chars", i);
if (*f == '\\')
{
f++;
if (!*f)
f = "";
else if (*f == 'n')
{
pr_token[i++] = '\n';
f++;
}
else if (*f == 'r')
{
pr_token[i++] = '\r';
f++;
}
else if (*f == 't')
{
pr_token[i++] = '\t';
f++;
}
else
pr_token[i++] = *f++;
}
else
pr_token[i++] = *f++;
}
return true;
}
// 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;
}
static 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;
}
static void QCC_PR_MacroFrame(char *name, int value, pbool force)
{
int i;
for (i=pr_nummacros-1 ; i>=0 ; i--)
{
if (!STRCMP (name, pr_framemacro[i].name))
{
//vanilla macro behaviour is to not realise that there's dupes. lookups find the first, so dupes end up as dead gaps.
//our caller incremented the value externally
//so warn+ignore if its from the same file
if (pr_framemacro[i].file == s_filen && !force)
QCC_PR_ParseWarning(WARN_DUPLICATEMACRO, "Duplicate macro defined (%s). Rename it.", pr_token);
else
{
pr_framemacro[i].value = value; //old file, override it, whatever the old value was is redundant now
pr_framemacro[i].file = s_filen;
}
return;
}
}
if (strlen(name)+1 > sizeof(pr_framemacro[0].name))
QCC_PR_ParseWarning(ERR_TOOMANYFRAMEMACROS, "Name for frame macro %s is too long", name);
else
{
strcpy (pr_framemacro[pr_nummacros].name, name);
pr_framemacro[pr_nummacros].value = value;
pr_framemacro[pr_nummacros].file = s_filen;
pr_nummacros++;
if (pr_nummacros >= MAX_FRAMES)
QCC_PR_ParseError(ERR_TOOMANYFRAMEMACROS, "Too many frame macros defined");
}
}
static void QCC_PR_ParseFrame (void)
{
while (QCC_PR_LexMacroName ())
{
QCC_PR_MacroFrame(pr_token, pr_macrovalue++, false);
}
}
/*
==============
PR_LexGrab
Deals with counting sequence numbers and replacing frame macros
==============
*/
static 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 $commands - just for model/spritegen
else if (!STRCMP (pr_token, "cd")
|| !STRCMP (pr_token, "origin")
|| !STRCMP (pr_token, "base")
|| !STRCMP (pr_token, "flags")
|| !STRCMP (pr_token, "scale")
|| !STRCMP (pr_token, "skin") )
{ // skip to end of line
while (QCC_PR_LexMacroName ())
;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "flush"))
{
QCC_PR_ClearGrabMacros(true);
while (QCC_PR_LexMacroName ())
;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "frame_reset"))
{ //for compat with qfcc. full reset of all frame macros.
QCC_PR_ClearGrabMacros(false);
while (QCC_PR_LexMacroName ())
;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "framevalue"))
{
QCC_PR_LexMacroName ();
pr_macrovalue = atoi(pr_token);
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "framerestore"))
{
QCC_PR_LexMacroName ();
QCC_PR_ExpandMacro();
pr_macrovalue = (int)pr_immediate._float;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "modelname"))
{
int i;
QCC_PR_LexMacroName ();
if (*pr_framemodelname)
QCC_PR_MacroFrame(pr_framemodelname, pr_macrovalue, true);
if (!QC_strlcpy(pr_framemodelname, pr_token, sizeof(pr_framemodelname)))
QCC_PR_ParseWarning (WARN_STRINGTOOLONG, "$modelname name too long");
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(const 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(const char *name)
{
int i;
CompilerConstant_t *cnst;
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_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';
for (nl = 0; nl < cnst->numparams; nl++)
{
if (!strcmp(cnst->params[nl], cnst->params[cnst->numparams]))
QCC_PR_ParseError(ERR_MACROTOOMANYPARMS, "duplicate macro paramter name '%s'", cnst->params[nl]);
}
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++ = ' ';
}
cnst->fromfile = s_filen;
cnst->fromline = pr_source_line;
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++; //skip the \ char
if (*s == '\r' && s[1] == '\n')
s++; //skip the \r. the \n will become part of the macro.
QCC_PR_NewLine(true);
/*
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_iswhitesameline(*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 (%s -> %s)", pr_token, oldcnst->value, cnst->value);
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*/
}
/* *buffer, *bufferlen and *buffermax should be NULL/0 at the start */
static void QCC_PR_ExpandStrCatMarkup(char **buffer, size_t *bufferlen, size_t *buffermax, char *newdata, size_t newlen)
{
size_t newmax = *bufferlen + newlen*2;
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;
}
while (newlen--)
{
if (*newdata == '\n')
{
(*buffer)[*bufferlen+0] = '\\';
(*buffer)[*bufferlen+1] = '\n';
*bufferlen += 2;
}
else if (*newdata == '\\')
{
(*buffer)[*bufferlen+0] = '\\';
(*buffer)[*bufferlen+1] = '\\';
*bufferlen += 2;
}
else if (*newdata == '\0')
{
(*buffer)[*bufferlen+0] = '\\';
(*buffer)[*bufferlen+1] = '0';
*bufferlen += 2;
}
else if (*newdata == '\"')
{
(*buffer)[*bufferlen+0] = '\\';
(*buffer)[*bufferlen+1] = '\"';
*bufferlen += 2;
}
else
{
(*buffer)[*bufferlen] = *newdata;
*bufferlen += 1;
}
newdata++;
}
/*no null terminator, remember to cat one if required*/
}
static const struct tm *QCC_CurrentTime(void)
{
//if SOURCE_DATE_EPOCH environment is defined, use that as seconds from epoch (and show utc)
//this helps give reproducable builds (which is for some debian project, demonstrating that noone is hacking binaries).
const char *env = getenv("SOURCE_DATE_EPOCH");
time_t t;
if (env && *env)
{
t = strtoull(env, NULL, 0);
if (t)
return gmtime(&t);
}
t = time(NULL);
return localtime(&t);
}
static char *QCC_PR_PopenMacro(const char *macroname, const char *cmd, char *retbuf, size_t retbufsize)
{
char *ret = retbuf;
char temp[65536], *t = temp;
#ifdef _WIN32
FILE *f = _popen(cmd, "rt");
#else
FILE *f = popen(cmd, "r");
#endif
int len;
if (!f)
{
QCC_PR_ParseWarning(ERR_CONSTANTNOTDEFINED, "%s: Unable to execute \"%s\" for value", macroname, cmd);
return NULL;
}
retbufsize-=3; // '""\0'
*retbuf++ = '\"';
len = fread(temp, 1, sizeof(temp), f);
if (len < 0)
len = 0;
else while (len --> 0 && *t && retbufsize > 1)
{
if (*t == '\"') *retbuf = '\"';
else if (*t == '\n') *retbuf = 'n';
else if (*t == '\r') *retbuf = 'r';
else if (*t == '#') *retbuf = '#'; //so we don't get preqcc-style expansion in strings.
else
{
*retbuf++ = *t++;
retbufsize--;
continue;
}
retbuf[0] = '\n';
retbuf+=2;
retbufsize-=2;
}
*retbuf++ = '\"';
*retbuf++ = 0;
#ifdef _WIN32
_pclose(f);
#else
pclose(f);
#endif
return ret;
}
static char *QCC_PR_CheckBuiltinCompConst(char *constname, char *retbuf, size_t retbufsize)
{
if (constname[0] != '_' || constname[1] != '_')
return NULL;
if (!strcmp(constname, "__TIME__"))
{
strftime( retbuf, retbufsize, "\"%H:%M\"", QCC_CurrentTime());
return retbuf;
}
if (!strcmp(constname, "__DATE__"))
{
strftime( retbuf, retbufsize, "\"%a %d %b %Y\"", QCC_CurrentTime());
return retbuf;
}
if (!strcmp(constname, "__GITURL__"))
return QCC_PR_PopenMacro(constname, "git remote get-url origin", retbuf, retbufsize); //some git url...
if (!strcmp(constname, "__GITHASH__"))
return QCC_PR_PopenMacro(constname, "git log -1 --format=%H", retbuf, retbufsize); //just a hash
if (!strcmp(constname, "__GITDATE__"))
return QCC_PR_PopenMacro(constname, "git log -1 --format=%cs", retbuf, retbufsize); //YYYY-MM-DD
if (!strcmp(constname, "__GITDATETIME__"))
return QCC_PR_PopenMacro(constname, "git log -1 --format=%ci", retbuf, retbufsize); //YYYY-MM-DD HH:MM:SS +TZ
if (!strcmp(constname, "__GITDESC__"))
return QCC_PR_PopenMacro(constname, "git describe", retbuf, retbufsize);
if (!strcmp(constname, "__RAND__"))
{
QC_snprintfz(retbuf, retbufsize, "%i", rand());
return retbuf;
}
#if defined(SVNREVISION) && defined(SVNDATE)
if (!strcmp(constname, "__QCCREV__"))
return STRINGIFY(SVNREVISION); //no M or anything, so you can compare revisions properly
#endif
if (!strcmp(constname, "__QCCVER__"))
{
#if defined(SVNREVISION) && defined(SVNDATE)
return "\"FTEQCC " STRINGIFY(SVNREVISION) " "STRINGIFY(SVNDATE)"\"";
#elif defined(SVNREVISION)
return "\"FTEQCC " STRINGIFY(SVNREVISION) " "__DATE__"\"";
#else
return "\""__DATE__"\"";
#endif
}
if (!strcmp(constname, "__FILE__"))
{
char *erk;
QC_snprintfz(retbuf, retbufsize, "\"%s\"", s_filen);
erk = strchr(retbuf, ':');
if (erk)
{
erk[0] = '\"';
erk[1] = 0;
}
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__") || !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
}
static pbool QCC_PR_ExpandPreProcessorMacro(CompilerConstant_t *c, char **buffer, size_t *bufferlen, size_t *buffermax)
{
int p;
char *start;
char *starttok;
char *argsend;
int argsendline;
size_t whitestart;
char *paramoffset[MAXCONSTANTPARAMS+1];
int param=0, extraparam=0;
int plevel=0;
pbool noargexpand;
char *end;
char retbuf[256];
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)
extraparam++; //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;
// QCC_PR_LexWhitespace(false);
argsend = pr_file_p;
argsendline = pr_source_line;
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_ExpandStrCatMarkup(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__"))
{ //c99
if (param-1 == c->numparams)
QCC_PR_ExpandStrCat(buffer,bufferlen,buffermax, paramoffset[c->numparams], strlen(paramoffset[c->numparams]));
else if (noargexpand)
{
if(*bufferlen>0 && (*buffer)[*bufferlen-1] == ',')
*bufferlen-=1;
}
}
else if (c->varg && !STRCMP(qcc_token, "__VA_COUNT__"))
{ //not c99
char tmp[64];
if (param < c->numparams)
QCC_PR_ParseError(ERR_TOOFEWPARAMS, "__VA_COUNT__ without any variable args");
QC_snprintfz(tmp, sizeof(tmp), "%i", param-1+extraparam);
QCC_PR_ExpandStrCat(buffer,bufferlen,buffermax, tmp, strlen(tmp));
}
else if (p == c->numparams)
{
/*CompilerConstant_t *c2 = pHash_Get(&compconstantstable, qcc_token);
if (c2 && c2->numparams >= 0 && *pr_file_p == '(')
{ //oh dear god this is vile bullshit
char *sub = NULL;
size_t sublen;
size_t submax;
pr_file_p++;
if (QCC_PR_ExpandPreProcessorMacro(c, &sub,&sublen,&submax))
{
QCC_PR_ExpandStrCat(buffer,bufferlen,buffermax, sub, sublen);
}
free(sub);
}
else*/
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])] = ')';
if (c->inside>8)
return false;
pr_file_p = argsend;
pr_source_line = argsendline;
if (flag_debugmacros)
{
if (flag_msvcstyle)
externs->Printf ("%s(%i) : macro %s: %s\n", s_filen, pr_source_line, c->name, pr_file_p);
else
externs->Printf ("%s:%i: macro %s: %s\n", s_filen, pr_source_line, c->name, pr_file_p);
}
return true;
}
int QCC_PR_CheckCompConst(void)
{
//FIXME: FOO(SPLAT(FOO(BAR)))
//the above should expand the inner foo before expanding the outer foo
char *initial_file_p = pr_file_p;
int initial_line = pr_source_line;
CompilerConstant_t *c;
char *end, *tok;
char retbuf[256];
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;
}
if (!QC_strnlcpy(pr_token, pr_file_p, end-pr_file_p, sizeof(pr_token)))
return false; //name too long to be a valid macro
// externs->Printf("%s\n", pr_token);
c = pHash_Get(&compconstantstable, pr_token);
if (c && (!currentchunk || currentchunk->cnst != c)) //macros don't expand themselves
{
pr_file_p = initial_file_p+strlen(c->name);
while(*pr_file_p == ' ' || *pr_file_p == '\t')
pr_file_p++;
if (c->numparams>=0)
{
if (*pr_file_p == '(')
{
char *buffer = NULL;
size_t bufferlen, buffermax;
if (!QCC_PR_ExpandPreProcessorMacro(c, &buffer, &bufferlen, &buffermax))
{
free(buffer);
pr_file_p = initial_file_p;
pr_source_line = initial_line;
return false;
}
if (!bufferlen)
expandedemptymacro = true;
else
{
QCC_PR_ExpandStrCat(&buffer, &bufferlen, &buffermax, "\0", 1);
QCC_PR_IncludeChunkEx(buffer, true, NULL, c);
}
expandedemptymacro = true;
free(buffer);
}
else
{
//QCC_PR_ParseError(ERR_TOOFEWPARAMS, "Macro without argument list");
//such macros don't get expanded.
pr_file_p = initial_file_p;
pr_source_line = initial_line;
return false;
}
}
else
{
if (c->inside >= 8)
{
pr_file_p = initial_file_p;
pr_source_line = initial_line;
return false;
}
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;
}
const char *QCC_PR_CheckCompConstString(const char *def)
{
const 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(const 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 (currentchunk)
pr_token_line += currentchunk->currentlinenumber-1;
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' || c == 'Q' || c == 'u' || c == 'U') && pr_file_p[1] == '\"') || (c == 'u' && pr_file_p[1] == '8' && pr_file_p[2] == '\"'))
{
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 == '%') && flag_qccx && (pr_file_p[1] == '-' || (pr_file_p[1] >= '0' && pr_file_p[1] <= '9')))
{
//with qccx, %5 is a denormalized float.
pr_file_p++;
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
QCC_PR_ParseWarning(WARN_DENORMAL, "denormalized immediate");
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 (/*!flag_qccx &&*/ c == '#' && !(pr_file_p[1]==')' || pr_file_p[1]==',' || 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->filen)
{
char tybuffer[512];
char tmbuffer[512];
char *modifiers;
if (QCC_Temp_Describe(def, tmbuffer, sizeof(tmbuffer)))
{
externs->Printf ("%s:%i: (%s)(%s)\n", def->filen, def->s_line, TypeName(def->type, tybuffer, sizeof(tybuffer)), tmbuffer);
}
else
{
modifiers = "";
if (def->constant)
modifiers = "const ";
else if (def->isstatic)
modifiers = "static ";
if (flag_msvcstyle)
externs->Printf ("%s%s(%i) : %s%s%s %s%s%s is defined here\n", col_location, def->filen, def->s_line, col_type, modifiers, TypeName(def->type, tybuffer, sizeof(tybuffer)), col_symbol, def->name, col_none);
else
externs->Printf ("%s%s:%i: %s%s%s %s%s%s is defined here\n", col_location, def->filen, def->s_line, col_type, modifiers, TypeName(def->type, tybuffer, sizeof(tybuffer)), col_symbol, def->name, col_none);
}
}
}
void QCC_PR_ParsePrintSRef (int type, QCC_sref_t def)
{
QCC_PR_ParsePrintDef(type, def.sym);
}
void *errorscope;
static void QCC_PR_PrintMacro (qcc_includechunk_t *chunk)
{
extern pbool verbose;
if (chunk)
{
QCC_PR_PrintMacro(chunk->prev);
if (chunk->cnst)
{
#if 1
externs->Printf ("%s%s:%i: macro %s%s%s is defined here\n", col_location, chunk->cnst->fromfile, chunk->cnst->fromline, col_symbol, chunk->cnst->name, col_none);
#else
externs->Printf ("%s:%i: expanding %s\n", chunk->currentfilename, chunk->currentlinenumber, chunk->cnst->name);
#endif
if (verbose)
externs->Printf ("%s\n", chunk->datastart);
}
else
externs->Printf ("%s:%i:\n", chunk->currentfilename, chunk->currentlinenumber);
}
}
static void QCC_PR_PrintScope (void)
{
QCC_PR_PrintMacro(currentchunk);
if (pr_scope)
{
if (errorscope != pr_scope)
externs->Printf ("in function %s%s%s (line %i),\n", col_symbol, pr_scope->name, col_none, pr_scope->line);
errorscope = pr_scope;
}
else
{
if (errorscope)
externs->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(const char *file, int line);
#endif
//will abort.
NORETURN 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(s_filen, pr_source_line);
#endif
QCC_PR_PrintScope();
if (flag_msvcstyle)
externs->Printf ("%s%s(%i) : %serror%s: %s\n", col_location, s_filen, pr_source_line, col_error, col_none, string);
else
externs->Printf ("%s%s:%i: %serror%s: %s\n", col_location, s_filen, pr_source_line, col_error, col_none, string);
longjmp (pr_parse_abort, 1);
}
//will abort.
NORETURN 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(s_filen, pr_source_line);
#endif
QCC_PR_PrintScope();
if (flag_msvcstyle)
externs->Printf ("%s%s(%i) : %serror%s: %s\n", col_location, s_filen, pr_source_line, col_error, col_none, string);
else
externs->Printf ("%s%s:%i: %serror%s: %s\n", col_location, s_filen, pr_source_line, col_error, col_none, string);
QCC_PR_ParsePrintDef(WARN_ERROR, def);
longjmp (pr_parse_abort, 1);
}
NORETURN 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(s_filen, pr_source_line);
#endif
QCC_PR_PrintScope();
if (flag_msvcstyle)
externs->Printf ("%s%s(%i) : %serror%s: %s\n", col_location, s_filen, pr_source_line, col_error, col_none, string);
else
externs->Printf ("%s%s:%i: %serror%s: %s\n", col_location, s_filen, pr_source_line, col_error, col_none, string);
QCC_PR_ParsePrintSRef(WARN_ERROR, def);
longjmp (pr_parse_abort, 1);
}
static pbool VARGS QCC_PR_PrintWarning (int type, const char *file, int line, const char *string)
{
char *wnam = QCC_NameForWarning(type);
if (!wnam)
wnam = "";
if (string)
QCC_PR_PrintScope();
if (type >= ERR_PARSEERRORS)
{
if (!string)
;
else if (!file || !*file)
externs->Printf (":: %serror%s%s: %s\n", col_error, wnam, col_none, string);
else if (flag_msvcstyle)
externs->Printf ("%s%s(%i) : %serror%s%s: %s\n", col_location, file, line, col_error, wnam, col_none, string);
else
externs->Printf ("%s%s:%i: %serror%s%s: %s\n", col_location, file, line, col_error, wnam, col_none, string);
pr_error_count++;
}
else if (qccwarningaction[type] == 2)
{ //-werror
if (!string)
;
else if (!file || !*file)
externs->Printf (":: %swerror%s%s: %s\n", col_error, wnam, col_none, string);
else if (flag_msvcstyle)
externs->Printf ("%s%s(%i) : %swerror%s%s: %s\n", col_location, file, line, col_error, wnam, col_none, string);
else
externs->Printf ("%s%s:%i: %swerror%s%s: %s\n", col_location, file, line, col_error, wnam, col_none, string);
pr_error_count++;
}
else
{
if (!string)
;
else if (!file || !*file)
externs->Printf (":: %swarning%s%s: %s\n", col_warning, wnam, col_none, string);
else if (flag_msvcstyle)
externs->Printf ("%s%s(%i) : %swarning%s%s: %s\n", col_location, file, line, col_warning, wnam, col_none, string);
else
externs->Printf ("%s%s:%i: %swarning%s%s: %s\n", col_location, file, line, col_warning, wnam, col_none, 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;
if (!error)
return QCC_PR_PrintWarning(type, file, line, NULL);
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, s_filen, 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)
externs->Printf ("note: %s\n", string);
else if (flag_msvcstyle)
externs->Printf ("%s(%i) : note: %s\n", file, line, string);
else
externs->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%s%s, found %s%s%s", col_location, string, col_none, col_name, pr_token, col_none);
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;
}
if (pr_file_p[0] == '/' && pr_file_p[1] == '*')
QCC_PR_ParseWarning(WARN_NESTEDCOMMENT, "\"/*\" inside comment");
} 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_PeekToken (const char *string)
{
if (pr_token_type != tt_punct)
return false;
if (STRCMP (string, pr_token))
return false;
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 (pr_token[0] == '_' && pr_token[1] == '_')
{
//lets just always go insensitive with a leading underscore pair.
if (stricmp(string, pr_token+2))
return false;
QCC_PR_Lex ();
return true;
}
else
{
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%s%s\" - not a name", col_name, pr_token, col_none);
}
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;
if (a->params[i].defltvalue.cast || b->params[i].defltvalue.cast)
{
if (typecmp_strict(a->params[i].defltvalue.cast, b->params[i].defltvalue.cast) ||
a->params[i].defltvalue.sym != b->params[i].defltvalue.sym ||
a->params[i].defltvalue.ofs != b->params[i].defltvalue.ofs)
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;
if (a->params[i].defltvalue.cast || b->params[i].defltvalue.cast)
{
if (typecmp(a->params[i].defltvalue.cast, b->params[i].defltvalue.cast) ||
a->params[i].defltvalue.sym != b->params[i].defltvalue.sym ||
a->params[i].defltvalue.ofs != b->params[i].defltvalue.ofs)
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;
//variants and args don't make sense, and are considered equivelent(ish).
if (a->type == ev_variant || b->type == ev_variant)
return 0;
//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;
if (a->params[t].out != b->params[t].out)
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->params[t].defltvalue.cast || b->params[t].defltvalue.cast)
{
if (typecmp(a->params[t].defltvalue.cast, b->params[t].defltvalue.cast) ||
a->params[t].defltvalue.sym != b->params[t].defltvalue.sym ||
a->params[t].defltvalue.ofs != b->params[t].defltvalue.ofs)
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->accessors = in->accessors;
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_enum)
{
if (buffersize < 0)
return buffer;
*buffer = 0;
Q_strlcat(buffer, "enum ", buffersize);
Q_strlcat(buffer, type->name, buffersize);
Q_strlcat(buffer, ":", buffersize);
TypeName(type->aux_type, buffer+strlen(buffer), buffersize-strlen(buffer));
return buffer;
}
if (type->type == ev_struct)
{
if (buffersize < 0)
return buffer;
*buffer = 0;
Q_strlcat(buffer, "struct ", buffersize);
Q_strlcat(buffer, type->name, buffersize);
return buffer;
}
if (type->type == ev_union)
{
if (buffersize < 0)
return buffer;
*buffer = 0;
Q_strlcat(buffer, "union ", buffersize);
Q_strlcat(buffer, type->name, 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].out)
Q_strlcat(buffer, "inout ", buffersize);
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 (type->params[i].defltvalue.cast)
{
Q_strlcat(buffer, " = ", buffersize);
Q_strlcat(buffer, QCC_VarAtOffset(type->params[i].defltvalue), 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))
static 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];
}
}
type = QCC_PR_DuplicateType(type, false);
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(const char *name)
{
return pHash_Get(&typedeftable, 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)
{
//escape out of any #define
while (currentchunk && currentchunk->cnst)
QCC_PR_UnInclude();
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;
QCC_type_t *QCC_PR_MakeThiscall(QCC_type_t *orig, QCC_type_t *thistype)
{
QCC_type_t ftype = *orig;
ftype.ptrto = NULL;
ftype.typedefed = false;
ftype.num_parms++;
ftype.params = qccHunkAlloc(sizeof(*ftype.params) * ftype.num_parms);
memcpy(ftype.params+1, orig->params, sizeof(*ftype.params) * orig->num_parms);
ftype.params[0].paramname = "this";
ftype.params[0].type = QCC_PR_PointerType(thistype);
ftype.params[0].isvirtual = true;
memmove(&pr_parm_names[1], &pr_parm_names[0], sizeof(*pr_parm_names)*orig->num_parms);
strcpy(pr_parm_names[0], "this");
orig = QCC_PR_FindType (&ftype);
if (!orig)
{
orig = QCC_PR_NewType(ftype.name, ftype.type, false);
*orig = ftype;
}
return orig;
}
//expects a ( to have already been parsed.
QCC_type_t *QCC_PR_ParseFunctionType (int newtype, QCC_type_t *returntype)
{
QCC_type_t *ftype, *t;
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;
if (definenames)
pr_parm_argcount_name = NULL;
if (!QCC_PR_CheckToken (")"))
{
do
{
pbool foundinout;
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 ("..."))
{
t = QCC_PR_ParseType(false, true); //the evil things I do...
if (!t)
{
ftype->vargs = true;
break;
}
else
{ //its a ... followed by a type... don't bug out...
t = QCC_PR_FieldType(t);
t = QCC_PR_FieldType(t);
t = QCC_PR_FieldType(t);
paramlist[numparms].type = t;
foundinout = false;
}
}
else
{
foundinout = false;
paramlist[numparms].optional = false;
paramlist[numparms].isvirtual = false;
paramlist[numparms].out = false;
while(1)
{
if (!paramlist[numparms].optional && QCC_PR_CheckKeyword(keyword_optional, "optional"))
paramlist[numparms].optional = true;
else if (!foundinout && QCC_PR_CheckKeyword(keyword_inout, "inout"))
{
paramlist[numparms].out = true;
foundinout = true;
}
else if (!foundinout && QCC_PR_CheckKeyword(keyword_inout, "out"))
{
paramlist[numparms].out = 2; //not really supported, but parsed for readability.
foundinout = true;
}
else if (!foundinout && QCC_PR_CheckKeyword(keyword_inout, "in"))
{
paramlist[numparms].out = false;
foundinout = true;
}
else
break;
}
t = QCC_PR_ParseType(false, false);
}
paramlist[numparms].defltvalue.cast = NULL;
paramlist[numparms].ofs = 0;
paramlist[numparms].arraysize = 0;
paramlist[numparms].type = t;
if (!paramlist[numparms].type)
QCC_PR_ParseError(0, "Expected type\n");
while (QCC_PR_CheckToken("*"))
paramlist[numparms].type = QCC_PointerTypeTo(paramlist[numparms].type);
if (paramlist[numparms].type->type == ev_void)
break; //float(void) has no actual args
if (!foundinout && QCC_PR_CheckToken("&"))
{ //accept c++ syntax, at least on arguments. its not quite the same, but it'll do.
paramlist[numparms].out = true;
foundinout = true;
}
// 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);
if (QCC_PR_CheckToken("["))
{
if (QCC_PR_CheckToken("]")) //length omitted. just treat it as a pointer...?
{
QCC_PR_ParseError(0, "unsized array argument\n");
paramlist[numparms].type = QCC_PointerTypeTo(paramlist[numparms].type);
}
else
{ //proper array
paramlist[numparms].arraysize = QCC_PR_IntConstExpr();
if (!paramlist[numparms].arraysize)
QCC_PR_ParseError(ERR_NOTANAME, "cannot cope with 0-sized arrays");
QCC_PR_Expect("]");
}
}
}
else if (definenames)
strcpy (pr_parm_names[numparms], "");
if (QCC_PR_CheckToken("="))
{
paramlist[numparms].defltvalue = QCC_PR_ParseDefaultInitialiser(paramlist[numparms].type);
QCC_FreeTemp(paramlist[numparms].defltvalue);
}
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 (returntype->size > 3 && !autoprototype) //fixme: handle properly, without breaking __out
QCC_PR_ParseWarning(WARN_UNDESIRABLECONVENTION, "Unable to handle functions returning structures larger than a vector. Will truncate.");
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)
QCC_PR_ParseError(0, "Expected type\n");
if (nptype->type == ev_void)
break;
// type->name = "FUNC PARAMETER";
paramlist[numparms].out = false;
paramlist[numparms].optional = false;
paramlist[numparms].isvirtual = 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;
char name[128];
if (pointsto->ptrto)
return pointsto->ptrto;
QC_snprintfz(name, sizeof(name), "%s*", pointsto->name);
ptype = QCC_PR_NewType(strcpy(qccHunkAlloc(strlen(name)+1), name), ev_pointer, false);
ptype->aux_type = pointsto;
return pointsto->ptrto = QCC_PR_FindType (ptype);
}
QCC_type_t *QCC_PR_FieldType (QCC_type_t *pointsto)
{
QCC_type_t *ptype;
char name[128];
if (pointsto->fldto)
return pointsto->fldto;
QC_snprintfz(name, sizeof(name), ".%s", pointsto->name);
ptype = QCC_PR_NewType(strcpy(qccHunkAlloc(strlen(name)+1), name), ev_field, false);
ptype->aux_type = pointsto;
ptype->size = ptype->aux_type->size;
return pointsto->fldto = QCC_PR_FindType (ptype);
}
QCC_type_t *QCC_PR_GenFunctionType (QCC_type_t *rettype, struct QCC_typeparam_s *args, 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++)
{
if (args[i].paramname)
{
p->paramname = qccHunkAlloc(strlen(args[i].paramname)+1);
strcpy(p->paramname, args[i].paramname);
}
else
p->paramname = "";
p->type = args[i].type;
p->out = args[i].out;
p->optional = args[i].optional;
p->isvirtual = args[i].isvirtual;
p->ofs = args[i].ofs;
p->arraysize = args[i].arraysize;
p->defltvalue.cast = NULL;
}
return QCC_PR_FindType (ftype);
}
extern char *basictypenames[];
extern QCC_type_t **basictypes[];
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;
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_CheckKeyword(keyword_const, "const"))
{
QCC_PR_ParseWarning (WARN_IGNOREDKEYWORD, "ignoring unsupported const keyword");
silentfail = false; //FIXME
}
if (QCC_PR_PeekToken ("...") ) //this is getting stupid
{
QCC_PR_LexWhitespace (false);
if (*pr_file_p == '(')
{ //work around gmqcc's "(...(" being misinterpreted as a cast syntax error, instead abort here so it can be treated as an intrinsic (with args) instead.
if (silentfail)
return NULL;
QCC_PR_ParseError (ERR_NOTATYPE, "\"%s\" is not a type", pr_token);
}
QCC_PR_Lex ();
type = QCC_PR_NewType("FIELD_TYPE", ev_field, false);
type->aux_type = QCC_PR_ParseType (false, false);
type->size = type->aux_type->size;
newt = QCC_PR_FindType (type);
type = QCC_PR_NewType("FIELD_TYPE", ev_field, false);
type->aux_type = newt;
type->size = type->aux_type->size;
newt = QCC_PR_FindType (type);
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 ("..")) //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 ("."))
{
//.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.
pbool ptr = QCC_PR_CheckToken ("*");
type = QCC_PR_ParseType(false, false);
if (!type)
QCC_PR_ParseError(0, "Expected type\n");
if (ptr)
type = QCC_PointerTypeTo(type);
name = qccHunkAlloc(strlen(type->name)+2);
*name = '.';
strcpy(name+1, type->name);
newt = QCC_PR_NewType(name, ev_field, false);
newt->aux_type = type;
newt->size = newt->aux_type->size;
if (newtype)
return newt;
return QCC_PR_FindType (newt);
}
name = pr_token;
if (pr_token_type != tt_name)
{
if (silentfail)
return NULL;
QCC_PR_ParseError (ERR_NOTATYPE, "\"%s\" is not a type", name);
}
// name = QCC_PR_CheckCompConstString(name);
//accessors
if (QCC_PR_CheckKeyword (keyword_accessor, "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 */
newt = QCC_TypeForName(accessorname);
if (newt && newt->type != ev_accessor)
QCC_PR_ParseError(ERR_NOTANAME, "Type %s cannot be redefined as an accessor", accessorname);
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;
struct QCC_typeparam_s 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;
if (QCC_PR_CheckToken("&"))
isref = 2;
else
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;
memset(arg, 0, sizeof(arg));
strcpy (pr_parm_names[args], "this");
arg[args].paramname = "this";
if (isref == 2)
{
arg[args].type = newt;
arg[args].out = 1; //inout
}
else if (isref)
arg[args].type = QCC_PointerTypeTo(newt);
else
arg[args].type = newt;
args++;
if (indextype)
{
strcpy (pr_parm_names[args], indexname);
arg[args].paramname = indexname;
arg[args++].type = indextype;
}
if (setnotget)
{
strcpy (pr_parm_names[args], "value");
arg[args].paramname = "value";
arg[args++].type = fieldtype;
}
functype = QCC_PR_GenFunctionType(setnotget?type_void:fieldtype, arg, 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, false);
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;
int assumevirtual = 0; //0=erk, 1=yes, -1=no
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("{");
}
newt = QCC_TypeForName(classname);
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%s%s within function", col_type,classname,col_none);
if (redeclaration && fieldtype != newt->parentclass)
QCC_PR_ParseError(ERR_REDECLARATION, "Parent class changed on redeclaration of %s%s%s", col_type,classname,col_none);
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;
// pbool ispublic = false;
// pbool isprivate = false;
// pbool isprotected = 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 if (QCC_PR_CheckKeyword(1, "public"))
/*ispublic = true*/;
else if (QCC_PR_CheckKeyword(1, "private"))
/*isprivate = true*/;
else if (QCC_PR_CheckKeyword(1, "protected"))
/*isprotected = true*/;
else
break;
}
if (QCC_PR_CheckToken(":"))
{
if (isvirt && !isnonvirt)
assumevirtual = 1;
else if (isnonvirt && !isvirt)
assumevirtual = -1;
continue;
}
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)
{
if (assumevirtual == 1)
isvirt = true;
else if (assumevirtual == -1)
isnonvirt = true;
else
QCC_PR_ParseWarning(WARN_MISSINGMEMBERQUALIFIER, "%s::%s was not qualified. Assuming non-virtual.", classname, parmname);
}
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;
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)
{
if (QCC_PR_CheckToken("["))
{
while (!QCC_PR_CheckToken("]"))
{
if (pr_token_type == tt_eof)
break;
QCC_PR_Lex();
}
}
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;
QCC_PR_ParseInitializerDef(def, 0);
pr_classtype = NULL;
/*
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_ParsePrintDef(0, fdef);
}
else if (fdef)
{
QCC_PR_ParseWarning(WARN_DUPLICATEDEFINITION, "%s::%s shadows a global", newt->name, parmname);
QCC_PR_ParsePrintDef(0, fdef);
}
if (fdef)
QCC_FreeDef(fdef);
}
}
}
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))
{
unsigned int fl = 0;
if (newparm->type == ev_function && !arraysize)
fl = GDF_CONST;
QC_snprintfz(membername, sizeof(membername), "%s::%s", classname, parmname);
QCC_FreeDef(QCC_PR_GetDef(newparm, membername, NULL, true, 0, fl));
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].out = false;
parms[numparms].optional = false;
parms[numparms].isvirtual = isvirt;
parms[numparms].paramname = parmname;
parms[numparms].arraysize = arraysize;
parms[numparms].type = newparm;
parms[numparms].defltvalue.cast = NULL;
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+pp[i].type->size*(pp[i].arraysize?pp[i].arraysize:1)) //if we found one with the index
basicindex = pp[i].ofs+pp[i].type->size*(pp[i].arraysize?pp[i].arraysize: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)
basicindex = 0;
else
{ //don't go all weird with unioning generic fields
QC_snprintfz(membername, sizeof(membername), "::*%s", basictypenames[newparm->type]);
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|GDF_POSTINIT|GDF_USED);
// for (i = 0; (unsigned int)i < newparm->size*(arraysize?arraysize:1); i++)
// d->symboldata[i]._int = pr.size_fields+i;
// pr.size_fields += i;
d->used = true;
d->referenced = true; //always referenced, so you can inherit safely.
}
if (d->arraysize < basicindex+(arraysize?arraysize:1))
{
if (d->symboldata)
QCC_PR_ParseError(ERR_INTERNAL, "array members are kinda limited, sorry. try rearranging them or adding padding for alignment\n"); //FIXME: add relocs to cope with this all of a type can then be contiguous and thus allow arrays.
else
{
int newsize = basicindex+(arraysize?arraysize:1);
if (d->type->type == ev_union || d->type->type == ev_struct)
d->arraysize = newsize;
else while(d->arraysize < newsize)
{
QC_snprintfz(membername, sizeof(membername), "::%s[%i]", basictypenames[newparm->type], d->arraysize/d->type->size);
QCC_PR_DummyDef(d->type, membername, d->scope, 0, d, d->arraysize, true, GDF_CONST);
d->arraysize+=d->type->size;
}
}
}
}
QCC_FreeDef(d);
//and make sure we can do member::__fname
//actually, that seems pointless.
QC_snprintfz(membername, sizeof(membername), "%s::"MEMBERFIELDNAME, classname, parmname);
// externs->Printf("define %s -> %s\n", membername, d->name);
d = QCC_PR_DummyDef(fieldtype, membername, pr_scope, arraysize, d, basicindex, 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;
}
if (QCC_PR_CheckKeyword(keyword_enum, "enum"))
{
return QCC_PR_ParseEnum(false);
}
if (QCC_PR_CheckKeyword(keyword_enumflags, "enumflags"))
{
return QCC_PR_ParseEnum(true);
}
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, *oldparm;
int numparms = 0;
int ofs;
unsigned int arraysize;
char *parmname;
pbool isnonvirt = false;
pbool isstatic = false;
pbool isvirt = false;
if (QCC_PR_CheckToken("{"))
{
//nameless struct
newt = QCC_PR_NewType(structtype==ev_union?"<union>":"<struct>", structtype, false);
}
else
{
QCC_type_t *parenttype;
char *tname = QCC_PR_ParseName();
if (structtype == ev_struct && QCC_PR_CheckToken(":"))
{
char *parentname = QCC_PR_ParseName();
parenttype = QCC_TypeForName(parentname);
if (!parenttype)
QCC_PR_ParseError(ERR_NOTANAME, "Parent type %s was not yet defined", parentname);
if (parenttype->type != ev_struct)
QCC_PR_ParseError(ERR_NOTANAME, "Parent type %s is not a struct", parentname);
}
else
parenttype = NULL;
newt = QCC_TypeForName(tname);
if (!newt)
{
newt = QCC_PR_NewType(tname, ev_struct, true);
newt->parentclass = parenttype;
}
else if (!newt->size && !newt->parentclass)
newt->parentclass = parenttype;
else if (parenttype && newt->parentclass != parenttype)
QCC_PR_ParseError(ERR_NOTANAME, "Redeclaration of struct with different parent type", tname, parenttype->name);
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 (parenttype)
QCC_PR_Expect("{");
else if (!QCC_PR_CheckToken("{"))
return newt;
}
if (newt->parentclass)
newt->size = newt->parentclass->size;
else
newt->size=0;
type = NULL;
newparm = NULL;
for (;;)
{
//in qc, functions are assignable references like anything else, so no modifiers means the qc will need to assign to it somewhere.
//virtual functions are still references, but we initialise them somewhere
//nonvirtual functions and static functions are kinda the same thing
QCC_sref_t defaultval;
if (QCC_PR_CheckToken("}"))
{
if (newparm)
QCC_PR_ParseError(ERR_EXPECTED, "missing semi-colon");
break;
}
else if (QCC_PR_CheckToken(";"))
{
newparm = NULL;
continue;
}
else if (QCC_PR_CheckToken(","))
{ //same as last type, unless initial/after-semicolon
if (!newparm)
QCC_PR_ParseError(ERR_EXPECTED, "element missing type");
}
else
{ //new type!
if (newparm)
QCC_PR_ParseError(ERR_EXPECTED, "missing semi-colon"); //allow a missing semi-colon on functions, for mixed-style functions.
//reset these...
isnonvirt = false;
isstatic = false;
isvirt = false;
//parse field modifiers
if (QCC_PR_CheckKeyword(1, "public"))
/*ispublic = true*/;
else if (QCC_PR_CheckKeyword(1, "private"))
/*isprivate = true*/;
else if (QCC_PR_CheckKeyword(1, "protected"))
/*isprotected = true*/;
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;
//now parse the actual type.
newparm = QCC_PR_ParseType(false, false);
}
type = newparm;
while (QCC_PR_CheckToken("*"))
type = QCC_PointerTypeTo(type);
arraysize = 0;
if (QCC_PR_CheckToken(";"))
{ //annonymous structs do weird scope stuff.
newparm = NULL;
parmname = "";
}
else
{
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("]");
}
while (QCC_PR_CheckToken("["))
{
int nsize=QCC_PR_IntConstExpr();
if (!nsize)
QCC_PR_ParseError(ERR_NOTANAME, "cannot cope with 0-sized arrays");
QCC_PR_Expect("]");
arraysize *= nsize;
QCC_PR_ParseWarning(WARN_IGNOREDKEYWORD, "multi-dimensional arrays are not supported. flattening to single array.");
}
if (QCC_PR_CheckToken("("))
type = QCC_PR_ParseFunctionType(false, type);
}
if (type == newt || ((type->type == ev_struct || type->type == ev_union) && !type->size))
{
QCC_PR_ParseWarning(ERR_NOTANAME, "type %s not fully defined yet", type->name);
continue;
}
if (QCC_PR_CheckToken(":"))
{
QCC_PR_IntConstExpr();
QCC_PR_ParseWarning(WARN_IGNOREDKEYWORD, "bitfields are not supported");
}
if ((isnonvirt || isvirt) && type->type != ev_function)
QCC_PR_ParseWarning(ERR_INTERNAL, "[non]virtual members must be functions", type->name);
//static members are technically just funny-named globals, and do not generate fields.
if (isnonvirt || isstatic || isvirt)
{ //either way its a regular global. the difference being static has no implicit this/self argument.
QCC_def_t *d;
char membername[2048];
if (!isstatic)
type = QCC_PR_MakeThiscall(type, newt);
QC_snprintfz(membername, sizeof(membername), "%s::%s", newt->name, parmname);
d = QCC_PR_GetDef(type, membername, NULL, true, 0, (type->type==ev_function)?GDF_CONST:0);
if (QCC_PR_CheckToken("=") || (type->type == ev_function && QCC_PR_PeekToken("{")))
{
//FIXME: methods cannot be compiled yet, as none of the fields are not actually defined yet.
pr_classtype = newt;
QCC_PR_ParseInitializerDef(d, 0);
pr_classtype = NULL;
}
QCC_FreeDef(d);
if (!QCC_PR_PeekToken(","))
newparm = NULL;
if (isvirt)
{
defaultval.ofs = 0;
defaultval.cast = d->type;
defaultval.sym = d;
}
else
continue;
}
else
{
defaultval.cast = NULL;
if (QCC_PR_CheckToken("="))
{
defaultval = QCC_PR_ParseDefaultInitialiser(type);
QCC_PR_ParseWarning(ERR_INTERNAL, "TODO: pre-initialised struct members are not implemented yet", type->name);
}
}
parms = realloc(parms, sizeof(*parms) * (numparms+4));
oldparm = QCC_PR_FindStructMember(newt, parmname, &ofs);
if (oldparm && oldparm->arraysize == arraysize && !typecmp_lax(oldparm->type, type))
{
if (!isvirt)
continue;
}
else if (structtype == ev_union)
{
ofs = 0;
if (type->size*(arraysize?arraysize:1) > newt->size)
newt->size = type->size*(arraysize?arraysize:1);
}
else
{
ofs = newt->size;
newt->size += type->size*(arraysize?arraysize:1);
}
parms[numparms].ofs = ofs;
parms[numparms].arraysize = arraysize;
parms[numparms].out = false;
parms[numparms].optional = false;
parms[numparms].isvirtual = isvirt;
parms[numparms].paramname = parmname;
parms[numparms].type = type;
parms[numparms].defltvalue = defaultval;
numparms++;
/*if (type->type == ev_vector && arraysize == 0)
{ //add in vec_x/y/z members too.
int c;
for (c = 0; c < 3; c++)
{
parms[numparms].ofs = ofs + c;
parms[numparms].arraysize = arraysize;
parms[numparms].out = false;
parms[numparms].optional = true;
parms[numparms].isvirtual = isvirt;
parms[numparms].paramname = qccHunkAlloc(strlen(parmname)+3);
sprintf(parms[numparms].paramname, "%s_%c", parmname, 'x'+c);
parms[numparms].type = type_float;
parms[numparms].defltvalue = nullsref;
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 = QCC_TypeForName(name);
if (!type)
{
if (!*name)
{
QCC_PR_ParseError(ERR_NOTANAME, "type missing name");
return NULL;
}
//some reacc types...
if (flag_acc && !stricmp("Void", name))
type = type_void;
else if (flag_acc && !stricmp("Real", name))
type = type_float;
else if (flag_acc && !stricmp("Vector", name))
type = type_vector;
else if (flag_acc && !stricmp("Object", name))
type = type_entity;
else if (flag_acc && !stricmp("String", name))
type = type_string;
else if (flag_acc && !stricmp("PFunc", name))
type = type_function;
else
{
//try and handle C's types, which have weird and obtuse combinations (like long long, long int, short int).
pbool isokay = false;
pbool issigned = false;
pbool isunsigned = false;
pbool islong = false;
pbool isfloat = false;
int bits = 0;
while(true)
{
if (!isunsigned && !issigned && QCC_PR_CheckKeyword(keyword_signed, "signed"))
issigned = isokay = true;
else if (!issigned && !isunsigned && QCC_PR_CheckKeyword(keyword_unsigned, "unsigned"))
isunsigned = isokay = true;
else if (!bits && QCC_PR_CheckKeyword(keyword_long, "long"))
{
if (islong)
bits = 128;
islong = isokay = true;
}
else if ((!bits || bits==16) && (QCC_PR_CheckKeyword(keyword_int, "int") || QCC_PR_CheckKeyword(keyword_integer, "integer")))
{ //long int, short int, etc are allowed
if (!bits)
bits = 32;
isokay = true;
}
else if (!bits && QCC_PR_CheckKeyword(keyword_short, "short"))
bits = 16, isokay = true;
else if (!bits && QCC_PR_CheckKeyword(keyword_char, "char"))
bits = 8, isokay = true;
else if (!bits && QCC_PR_CheckKeyword(keyword_int, "_Bool")) //c99
bits = 1, isokay = true;
else if (!bits && !islong && QCC_PR_CheckKeyword(keyword_float, "float"))
bits = 32, isfloat = isokay = true;
else if ((!bits||islong) && QCC_PR_CheckKeyword(keyword_double, "double"))
bits = islong?128:64, islong=false, isfloat = isokay = true;
else
break;
}
if (isokay)
{
if (!bits)
bits = islong?64:32; //<signed|unsigned|long> [int]
if (isfloat)
{
if (isunsigned)
QCC_PR_ParseWarning (WARN_IGNOREDKEYWORD, "ignoring unsupported unsigned keyword, type will be signed");
if (bits > 64)
type = type_double, QCC_PR_ParseWarning (WARN_IGNOREDKEYWORD, "long doubles are not supported, using double"); //permitted
else if (bits == 64)
type = type_double;
else
type = type_float;
}
else
{
if (bits > 64)
type = (isunsigned?type_uint64:type_int64), QCC_PR_ParseWarning (WARN_IGNOREDKEYWORD, "long longs are not supported, using long"); //permitted
else if (bits == 64)
type = (isunsigned?type_uint64:type_int64);
else if (bits == 16)
type = (isunsigned?type_uint:type_integer), QCC_PR_ParseWarning (WARN_IGNOREDKEYWORD, "shorts are not supported, using int"); //permitted
else if (bits == 8)
type = (isunsigned?type_uint:type_integer), QCC_PR_ParseWarning (WARN_IGNOREDKEYWORD, "chars are not supported, using int"); //permitted
else
type = (isunsigned?type_uint:type_integer);
}
goto wasctype;
}
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 ();
wasctype:
while (QCC_PR_CheckToken("*"))
{
if (QCC_PR_CheckKeyword(keyword_const, "const"))
QCC_PR_ParseWarning (WARN_IGNOREDKEYWORD, "ignoring unsupported const keyword");
type = QCC_PointerTypeTo(type);
}
if (flag_qcfuncs && 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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