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fteqw/engine/qclib/qcc_pr_lex.c
Spoike 7c00f2b190 Initial Checkin 
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@18 fc73d0e0-1445-4013-8a0c-d673dee63da5
2004-08-23 01:38:21 +00:00

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53 KiB
C
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#ifndef MINIMAL
#include "qcc.h"
#ifdef QCC
#define print printf
#endif
#define MEMBERFIELDNAME "__m%s"
#define STRCMP(s1,s2) (((*s1)!=(*s2)) || strcmp(s1+1,s2+1)) //saves about 2-6 out of 120 - expansion of idea from fastqcc
void QCC_PR_ConditionCompilation(void);
pbool QCC_PR_UndefineName(char *name);
char *QCC_PR_CheakCompConstString(char *def);
CompilerConstant_t *QCC_PR_CheckCompConstDefined(char *def);
pbool QCC_Include(char *filename);
float QCC_PR_LexOctal (void);
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;
QCC_type_t *pr_immediate_type;
QCC_eval_t pr_immediate;
char pr_immediate_string[8192];
int pr_error_count;
CompilerConstant_t *CompilerConstant;
int numCompilerConstants;
char *pr_punctuation[] =
// longer symbols must be before a shorter partial match
{"&&", "||", "<=", ">=","==", "!=", "/=", "*=", "+=", "-=", "(+)", "(-)", "++", "--", "::", ";", ",", "!", "*", "/", "(", ")", "-", "+", "=", "[", "]", "{", "}", "...", "..", ".", "<<", "<", ">>", ">" , "#" , "@", "&" , "|", "^", ":", NULL};
// simple types. function types are dynamically allocated
QCC_type_t *type_void;// = {ev_void/*, &def_void*/};
QCC_type_t *type_string;// = {ev_string/*, &def_string*/};
QCC_type_t *type_float;// = {ev_float/*, &def_float*/};
QCC_type_t *type_vector;// = {ev_vector/*, &def_vector*/};
QCC_type_t *type_entity;// = {ev_entity/*, &def_entity*/};
QCC_type_t *type_field;// = {ev_field/*, &def_field*/};
QCC_type_t *type_function;// = {ev_function/*, &def_function*/,NULL,&type_void};
// type_function is a void() function used for state defs
QCC_type_t *type_pointer;// = {ev_pointer/*, &def_pointer*/};
QCC_type_t *type_integer;// = {ev_integer/*, &def_integer*/};
QCC_type_t *type_floatfield;// = {ev_field/*, &def_field*/, NULL, &type_float};
#ifdef QCCONLY
const int type_size[9] = {1,1,1,3,1,1,1,1,1};
#endif
/*QCC_def_t def_void = {type_void, "temp"};
QCC_def_t def_string = {type_string, "temp"};
QCC_def_t def_float = {type_float, "temp"};
QCC_def_t def_vector = {type_vector, "temp"};
QCC_def_t def_entity = {type_entity, "temp"};
QCC_def_t def_field = {type_field, "temp"};
QCC_def_t def_function = {type_function, "temp"};
QCC_def_t def_pointer = {type_pointer, "temp"};
QCC_def_t def_integer = {type_integer, "temp"};
*/
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 (void);
//for compiler constants and file includes.
typedef struct qcc_includechunk_s {
struct qcc_includechunk_s *prev;
char *filename;
char *currentdatapoint;
int currentlinenumber;
} qcc_includechunk_t;
qcc_includechunk_t *currentchunk;
void QCC_PR_IncludeChunk (char *data, pbool duplicate, char *filename)
{
qcc_includechunk_t *chunk = qccHunkAlloc(sizeof(qcc_includechunk_t));
chunk->prev = currentchunk;
currentchunk = chunk;
chunk->currentdatapoint = pr_file_p;
chunk->currentlinenumber = pr_source_line;
if (duplicate)
{
pr_file_p = qccHunkAlloc(strlen(data)+1);
strcpy(pr_file_p, data);
}
else
pr_file_p = data;
}
pbool QCC_PR_UnInclude(void)
{
if (!currentchunk)
return false;
pr_file_p = currentchunk->currentdatapoint;
pr_source_line = currentchunk->currentlinenumber;
currentchunk = currentchunk->prev;
return true;
}
/*
==============
PR_PrintNextLine
==============
*/
void QCC_PR_PrintNextLine (void)
{
char *t;
printf ("%3i:",pr_source_line);
for (t=pr_line_start ; *t && *t != '\n' ; t++)
printf ("%c",*t);
printf ("\n");
}
/*
==============
PR_NewLine
Call at start of file and when *pr_file_p == '\n'
==============
*/
int ForcedCRC;
int QCC_PR_LexInteger (void);
void QCC_AddFile (char *filename);
void QCC_PR_LexString (void);
pbool QCC_PR_SimpleGetToken (void);
void QCC_PR_NewLine (pbool incomment)
{
char msg[1024];
int ifmode;
int a;
pbool m;
static int ifs = 0;
int level; //#if level
pbool eval = false;
if (*pr_file_p == '\n')
{
pr_file_p++;
m = true;
}
else
m = false;
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 (!strncmp(pr_file_p, "#define", 7))
{
QCC_PR_ConditionCompilation();
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
if (!m)
pr_file_p++;
}
else if (!strncmp(pr_file_p, "#undef", 6))
{
pr_file_p+=6;
while(*pr_file_p <= ' ')
pr_file_p++;
QCC_PR_SimpleGetToken ();
QCC_PR_UndefineName(pr_token);
// QCC_PR_ConditionCompilation();
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
if (!m)
pr_file_p++;
}
else if (!strncmp(pr_file_p, "#if", 3))
{
pr_file_p+=3;
if (!strncmp(pr_file_p, "def ", 4))
{
ifmode = 0;
pr_file_p+=4;
}
else if (!strncmp(pr_file_p, "ndef ", 5))
{
ifmode = 1;
pr_file_p+=5;
}
else
{
ifmode = 2;
pr_file_p+=0;
//QCC_PR_ParseError("bad \"#if\" type");
}
QCC_PR_SimpleGetToken ();
level = 1;
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
// pr_file_p++;
// pr_source_line++;
if (ifmode == 2)
{
if (atof(pr_token))
eval = true;
}
else
{
// if (!STRCMP(pr_token, "COOP_MODE"))
// eval = false;
if (QCC_PR_CheckCompConstDefined(pr_token))
eval = true;
if (ifmode == 1)
eval = eval?false:true;
}
if (eval)
ifs+=1;
else
{
while (1)
{
while(*pr_file_p==' ' || *pr_file_p == '\t')
pr_file_p++;
if (!strncmp(pr_file_p, "#endif", 6))
level--;
if (!strncmp(pr_file_p, "#if", 3))
level++;
if (!strncmp(pr_file_p, "#else", 5) && level == 1)
{
ifs+=1;
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
break;
}
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
if (level <= 0)
break;
pr_file_p++; //next line
pr_source_line++;
}
}
}
else if (!strncmp(pr_file_p, "#else", 5))
{
ifs -= 1;
level = 1;
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
while (1)
{
while(*pr_file_p==' ' || *pr_file_p == '\t')
pr_file_p++;
if (!strncmp(pr_file_p, "#endif", 6))
level--;
if (!strncmp(pr_file_p, "#if", 3))
level++;
if (!strncmp(pr_file_p, "#else", 5) && level == 1)
{
ifs+=1;
break;
}
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
if (level <= 0)
break;
pr_file_p++; //go off the end
pr_source_line++;
}
}
else if (!strncmp(pr_file_p, "#endif", 6))
{
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
if (ifs <= 0)
QCC_PR_ParseError(ERR_NOPRECOMPILERIF, "unmatched #endif");
else
ifs-=1;
}
else if (!strncmp(pr_file_p, "#eof", 4))
{
pr_file_p = NULL;
return;
}
else if (!strncmp(pr_file_p, "#error", 6))
{
pr_file_p += 6;
for (a = 0; a < 1023 && 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, yes, I KNOW we are going to register an error, and not properly leave this function tree, but...
{
pr_file_p++;
}
QCC_PR_ParseError(ERR_HASHERROR, "#Error: %s", msg);
}
else if (!strncmp(pr_file_p, "#warning", 8))
{
pr_file_p += 8;
for (a = 0; a < 1023 && 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++;
}
QCC_PR_ParseWarning(WARN_PRECOMPILERMESSAGE, "#warning: %s", msg);
}
else if (!strncmp(pr_file_p, "#message", 8))
{
pr_file_p += 8;
for (a = 0; a < 1023 && 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++;
}
printf("#message: %s\n", msg);
}
else if (!strncmp(pr_file_p, "#copyright", 10))
{
pr_file_p += 10;
for (a = 0; a < 1023 && 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++;
}
if (strlen(msg) >= sizeof(QCC_copyright))
QCC_PR_ParseWarning(WARN_STRINGTOOLONG, "Copyright message is too long\n");
strncpy(QCC_copyright, msg, sizeof(QCC_copyright)-1);
}
else if (!strncmp(pr_file_p, "#pack", 5))
{
ifmode = 0;
pr_file_p+=5;
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 < 1023 && 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++;
}
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(pr_file_p, "#forcecrc", 9))
{
pr_file_p+=9;
ForcedCRC = QCC_PR_LexInteger();
pr_file_p++;
for (a = 0; a < 1023 && 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(pr_file_p, "#includelist", 12))
{
pr_file_p+=12;
while(*pr_file_p <= ' ')
pr_file_p++;
while(1)
{
QCC_PR_LexWhitespace();
if (!QCC_PR_SimpleGetToken())
{
if (!*pr_file_p)
QCC_Error(ERR_EOF, "eof in includelist");
else
{
pr_file_p++;
pr_source_line++;
}
continue;
}
if (!strcmp(pr_token, "#endlist"))
break;
printf("Including: %s\n", pr_token);
QCC_Include(pr_token);
if (*pr_file_p == '\r')
pr_file_p++;
for (a = 0; a < 1023 && 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++;
}
}
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
{
pr_file_p++;
}
}
else if (!strncmp(pr_file_p, "#include", 8))
{
pr_file_p+=8;
while(*pr_file_p <= ' ')
pr_file_p++;
QCC_PR_LexString();
printf("Including: %s\n", pr_token);
QCC_Include(pr_token);
pr_file_p++;
for (a = 0; a < 1023 && 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(pr_file_p, "#datafile", 9))
{
pr_file_p+=9;
while(*pr_file_p <= ' ')
pr_file_p++;
QCC_PR_LexString();
printf("Including datafile: %s\n", pr_token);
QCC_AddFile(pr_token);
pr_file_p++;
for (a = 0; a < 1023 && 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(pr_file_p, "#output", 7))
{
extern char destfile[1024];
if (pr_file_p[1] == 'p')
pr_file_p+=17;
else
pr_file_p+=7;
while(*pr_file_p <= ' ')
pr_file_p++;
QCC_PR_LexString();
strcpy(destfile, pr_token);
printf("Outputfile: %s\n", destfile);
pr_file_p++;
for (a = 0; a < 1023 && 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(pr_file_p, "#pragma", 7))
{
pr_file_p+=7;
while(*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') && !*qcc_token)
{
msg[a] = '\0';
strcpy(qcc_token, msg);
a=0;
continue;
}
msg[a++] = *pr_file_p;
}
msg[a] = '\0';
{
char *end;
for (end = msg + a-1; end>=msg && *end <= ' '; end--)
*end = '\0';
}
if (!*qcc_token)
{
strcpy(qcc_token, msg);
msg[0] = '\0';
}
{
char *end;
for (end = msg + a-1; end>=msg && *end <= ' '; end--)
*end = '\0';
}
if (!QC_strcasecmp(qcc_token, "DONT_COMPILE_THIS_FILE"))
{
while (*pr_file_p)
{
while(*pr_file_p != '\n' && *pr_file_p != '\0') //read on until the end of the line
pr_file_p++;
if (*pr_file_p == '\n')
{
QCC_PR_NewLine(false);
pr_file_p++;
}
}
}
else if (!QC_strcasecmp(qcc_token, "COPYRIGHT"))
{
if (strlen(msg) >= sizeof(QCC_copyright))
QCC_PR_ParseWarning(WARN_STRINGTOOLONG, "Copyright message is too long\n");
strncpy(QCC_copyright, msg, sizeof(QCC_copyright)-1);
}
else if (!QC_strcasecmp(qcc_token, "TARGET"))
{
if (qcc_targetformat == QCF_HEXEN2 && numstatements)
QCC_PR_ParseWarning(WARN_BADTARGET, "Cannot switch from hexen2 target \'%s\'. Ignored.", msg);
else if (!QC_strcasecmp(msg, "H2"))
{
if (numstatements)
QCC_PR_ParseWarning(WARN_BADTARGET, "Cannot switch from hexen2 target \'%s\'. Ignored.", msg);
else
qcc_targetformat = QCF_HEXEN2;
}
else if (!QC_strcasecmp(msg, "KK7"))
qcc_targetformat = QCF_KK7;
else if (!QC_strcasecmp(msg, "FTEDEBUG"))
qcc_targetformat = QCF_FTEDEBUG;
else if (!QC_strcasecmp(msg, "FTE"))
qcc_targetformat = QCF_FTE;
else if (!QC_strcasecmp(msg, "FTEDEBUG32") || !QC_strcasecmp(msg, "FTE32DEBUG"))
qcc_targetformat = QCF_FTEDEBUG32;
else if (!QC_strcasecmp(msg, "FTE32"))
qcc_targetformat = QCF_FTE32;
else if (!QC_strcasecmp(msg, "STANDARD") || !QC_strcasecmp(msg, "ID"))
qcc_targetformat = QCF_STANDARD;
else if (!QC_strcasecmp(msg, "DEBUG"))
{
if (qcc_targetformat == QCF_FTE32)
qcc_targetformat = QCF_FTEDEBUG32;
else if (qcc_targetformat == QCF_FTE)
qcc_targetformat = QCF_FTEDEBUG;
else if (qcc_targetformat == QCF_STANDARD)
qcc_targetformat = QCF_FTEDEBUG;
}
else
QCC_PR_ParseWarning(WARN_BADTARGET, "Unknown target \'%s\'. Ignored.", msg);
}
else if (!QC_strcasecmp(qcc_token, "PROGS_SRC"))
{ //doesn't make sence, but silenced if you are switching between using a certain precompiler app used with CuTF.
}
else if (!QC_strcasecmp(qcc_token, "PROGS_DAT"))
{ //doesn't make sence, but silenced if you are switching between using a certain precompiler app used with CuTF.
extern char destfile[1024];
QCC_COM_Parse(msg);
strcpy(destfile, qcc_token);
printf("Outputfile: %s\n", destfile);
}
else if (!QC_strcasecmp(qcc_token, "disable"))
{
qccwarningdisabled[atoi(msg)] = true;
}
else if (!QC_strcasecmp(qcc_token, "enable"))
{
qccwarningdisabled[atoi(msg)] = false;
}
else
QCC_PR_ParseWarning(WARN_BADPRAGMA, "Unknown pragma \'%s\'", qcc_token);
}
// if (pr_dumpasm)
// PR_PrintNextLine ();
if (m)
pr_file_p--;
}
/*
==============
PR_LexString
Parses a quoted string
==============
*/
#if 0
void QCC_PR_LexString (void)
{
int c;
int len;
char tmpbuf[2048];
char *text;
char *oldf;
int oldline;
bool fromfile = true;
len = 0;
text = pr_file_p;
do
{
QCC_COM_Parse(text);
// print("Next token is \"%s\"\n", com_token);
if (*text == '\"')
{
text++;
if (fromfile) pr_file_p++;
}
do
{
c = *text++;
if (fromfile) pr_file_p++;
if (!c)
QCC_PR_ParseError ("EOF inside quote");
if (c=='\n')
QCC_PR_ParseError ("newline inside quote");
if (c=='\\')
{ // escape char
c = *text++;
if (fromfile) pr_file_p++;
if (!c)
QCC_PR_ParseError ("EOF inside quote");
if (c == 'n')
c = '\n';
else if (c == '"')
c = '"';
else if (c == '\\')
c = '\\';
else
QCC_PR_ParseError ("Unknown escape char");
}
else if (c=='\"')
{
if (fromfile) pr_file_p++;
break;
}
tmpbuf[len] = c;
len++;
} while (1);
tmpbuf[len] = 0;
// if (fromfile) pr_file_p++;
pr_immediate_type=NULL;
oldline=pr_source_line;
oldf=pr_file_p;
QCC_PR_Lex();
if (pr_immediate_type == &type_string)
{
// print("Appending \"%s\" to \"%s\"\n", pr_immediate_string, tmpbuf);
strcat(tmpbuf, pr_immediate_string);
len+=strlen(pr_immediate_string);
}
else
{
pr_source_line = oldline;
pr_file_p = oldf-1;
QCC_PR_LexWhitespace();
if (*pr_file_p != '\"') //annother string
break;
}
QCC_PR_LexWhitespace();
text = pr_file_p;
} while (1);
strcpy(pr_token, tmpbuf);
pr_token_type = tt_immediate;
pr_immediate_type = &type_string;
strcpy (pr_immediate_string, pr_token);
// print("Found \"%s\"\n", pr_immediate_string);
}
#else
void QCC_PR_LexString (void)
{
int c;
int len;
char *end, *cnst;
int texttype=0;
len = 0;
pr_file_p++;
do
{
c = *pr_file_p++;
if (!c)
QCC_PR_ParseError (ERR_EOF, "EOF inside quote");
if (c=='\n')
QCC_PR_ParseError (ERR_INVALIDSTRINGIMMEDIATE, "newline inside quote");
if (c=='\\')
{ // escape char
c = *pr_file_p++;
if (!c)
QCC_PR_ParseError (ERR_EOF, "EOF inside quote");
if (c == 'n')
c = '\n';
else if (c == 'r')
c = '\r';
else if (c == '"')
c = '"';
else if (c == 't')
c = '\t';
else if (c == 's' || c == 'b')
{
texttype ^= 128;
continue;
}
else if (c == '[')
c = 16;
else if (c == ']')
c = 17;
else if (c == '{')
{
int d;
c = 0;
while ((d = *pr_file_p++) != '}')
{
c = c * 10 + d - '0';
if (d < '0' || d > '9' || c > 255)
QCC_PR_ParseError(ERR_BADCHARACTURECODE, "Bad character code");
}
}
else if (c == '<')
c = 29;
else if (c == '-')
c = 30;
else if (c == '>')
c = 31;
else if (c == '\\')
c = '\\';
else if (c == '\'')
c = '\'';
else if (c >= '0' && c <= '9')
c = (int)QCC_PR_LexOctal();
else if (c == '\r')
{ //sigh
c = *pr_file_p++;
if (c != '\n')
QCC_PR_ParseWarning(WARN_HANGINGSLASHR, "Hanging \\\\\r");
pr_source_line++;
}
else if (c == '\n')
{ //sigh
pr_source_line++;
}
else
QCC_PR_ParseError (ERR_INVALIDSTRINGIMMEDIATE, "Unknown escape char %c", c);
}
else if (c=='\"')
{
if (len >= sizeof(pr_immediate_string)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %i", sizeof(pr_immediate_string)-1);
pr_token[len] = 0;
pr_token_type = tt_immediate;
pr_immediate_type = type_string;
strcpy (pr_immediate_string, pr_token);
return;
}
else if (c == '#')
{
for (end = pr_file_p; ; end++)
{
if (*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_CheakCompConstString(pr_file_p);
if (cnst==pr_file_p)
cnst=NULL;
*end = c;
c = '#'; //undo
if (cnst)
{
QCC_PR_ParseWarning(WARN_MACROINSTRING, "Macro expansion in string");
if (len+strlen(cnst) >= sizeof(pr_token)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %i", sizeof(pr_token)-1);
strcpy(pr_token+len, cnst);
len+=strlen(cnst);
pr_file_p = end;
continue;
}
}
pr_token[len] = c|texttype;
len++;
if (len >= sizeof(pr_token)-1)
QCC_Error(ERR_INVALIDSTRINGIMMEDIATE, "String length exceeds %i", sizeof(pr_token)-1);
} while (1);
}
#endif
/*
==============
PR_LexNumber
==============
*/
float QCC_PR_LexOctal (void)
{
int c;
int len;
int result;
char *s;
len = 0;
c = *pr_file_p;
do
{
pr_token[len] = c;
len++;
pr_file_p++;
c = *pr_file_p;
if (len >= 3)
break; //max of 3
} while ((c >= '0' && c<= '7'));
pr_token[len] = 0;
result = 0;
for (s = pr_token, result = 0; *s; s++)
{
result*=8;
result+=*s-'0';
}
return (float)result;
}
int QCC_PR_LexInteger (void)
{
int c;
int len;
len = 0;
c = *pr_file_p;
if (pr_file_p[0] == '0' && pr_file_p[1] == 'x')
{
pr_token[0] = '0';
pr_token[1] = 'x';
len = 2;
c = *(pr_file_p+=2);
}
do
{
pr_token[len] = c;
len++;
pr_file_p++;
c = *pr_file_p;
} while ((c >= '0' && c<= '9') || c == '.' || (c>='a' && c <= 'f'));
pr_token[len] = 0;
return atoi (pr_token);
}
void QCC_PR_LexNumber (void)
{
int num=0;
int base=10;
int c;
int sign=1;
if (*pr_file_p == '-')
{
sign=-1;
pr_file_p++;
}
if (pr_file_p[1] == 'x')
{
pr_file_p+=2;
base = 16;
}
while((c = *pr_file_p))
{
if (c >= '0' && c <= '9')
{
num*=base;
num += c-'0';
}
else if (c >= 'a' && c <= 'f')
{
num*=base;
num += c -'a'+10;
}
else if (c >= 'A' && c <= 'F')
{
num*=base;
num += c -'A'+10;
}
else if (c == '.')
{
pr_file_p++;
pr_immediate_type = type_float;
pr_immediate._float = (float)num;
num = 1;
while(1)
{
c = *pr_file_p;
if (c >= '0' && c <= '9')
{
num*=base;
pr_immediate._float += (c-'0')/(float)(num);
}
else
{
break;
}
pr_file_p++;
}
pr_immediate._float *= sign;
return;
}
else if (c == 'i')
{
pr_file_p++;
pr_immediate_type = type_integer;
pr_immediate._int = num*sign;
return;
}
else break;
pr_file_p++;
}
pr_immediate_type = type_float;
pr_immediate._float = (float)(num*sign);
}
float QCC_PR_LexFloat (void)
{
int c;
int len;
len = 0;
c = *pr_file_p;
do
{
pr_token[len] = c;
len++;
pr_file_p++;
c = *pr_file_p;
} while ((c >= '0' && c<= '9') || c == '.'&&pr_file_p[1]!='.');
pr_token[len] = 0;
return (float)atof (pr_token);
}
/*
==============
PR_LexVector
Parses a single quoted vector
==============
*/
void QCC_PR_LexVector (void)
{
int i;
pr_file_p++;
if (*pr_file_p == '\\')
{//extended characture constant
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
pr_file_p++;
switch(*pr_file_p)
{
case 'n':
pr_immediate._float = '\n';
break;
case 'r':
pr_immediate._float = '\r';
break;
case 't':
pr_immediate._float = '\t';
break;
case '\'':
pr_immediate._float = '\'';
break;
case '\"':
pr_immediate._float = '\"';
break;
case '\\':
pr_immediate._float = '\\';
break;
case '0':
case '1':
case '2': //assume string constant
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
pr_immediate._float = QCC_PR_LexOctal(); //what's the real point? Neatness?
break;
default:
QCC_PR_ParseError (ERR_INVALIDVECTORIMMEDIATE, "Bad characture constant");
}
if (*pr_file_p != '\'')
QCC_PR_ParseError (ERR_INVALIDVECTORIMMEDIATE, "Bad characture constant");
pr_file_p++;
return;
}
if (pr_file_p[1] == '\'')
{//character constant
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
pr_immediate._float = pr_file_p[0];
pr_file_p+=2;
return;
}
pr_token_type = tt_immediate;
pr_immediate_type = type_vector;
QCC_PR_LexWhitespace ();
for (i=0 ; i<3 ; i++)
{
pr_immediate.vector[i] = QCC_PR_LexFloat ();
QCC_PR_LexWhitespace ();
}
if (*pr_file_p != '\'')
QCC_PR_ParseError (ERR_INVALIDVECTORIMMEDIATE, "Bad vector");
pr_file_p++;
}
/*
==============
PR_LexName
Parses an identifier
==============
*/
void QCC_PR_LexName (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 >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_'
|| (c >= '0' && c <= '9'));
pr_token[len] = 0;
pr_token_type = tt_name;
}
/*
==============
PR_LexPunctuation
==============
*/
void QCC_PR_LexPunctuation (void)
{
int i;
int len;
char *p;
pr_token_type = tt_punct;
for (i=0 ; (p = pr_punctuation[i]) != NULL ; i++)
{
len = strlen(p);
if (!strncmp(p, pr_file_p, len) )
{
strcpy (pr_token, p);
if (p[0] == '{')
pr_bracelevel++;
else if (p[0] == '}')
pr_bracelevel--;
pr_file_p += len;
return;
}
}
QCC_PR_ParseError (ERR_UNKNOWNPUCTUATION, "Unknown punctuation");
}
/*
==============
PR_LexWhitespace
==============
*/
void QCC_PR_LexWhitespace (void)
{
int c;
while (1)
{
// skip whitespace
while ( (c = *pr_file_p) <= ' ')
{
if (c=='\n')
{
QCC_PR_NewLine (false);
if (!pr_file_p)
return;
}
if (c == 0)
return; // end of file
pr_file_p++;
}
// skip // comments
if (c=='/' && pr_file_p[1] == '/')
{
while (*pr_file_p && *pr_file_p != '\n')
pr_file_p++;
QCC_PR_NewLine(false);
pr_file_p++;
continue;
}
// skip /* */ comments
if (c=='/' && pr_file_p[1] == '*')
{
do
{
pr_file_p++;
if (pr_file_p[0]=='\n')
QCC_PR_NewLine(true);
if (pr_file_p[1] == 0)
{
pr_file_p++;
return;
}
} while (pr_file_p[-1] != '*' || pr_file_p[0] != '/');
pr_file_p++;
continue;
}
break; // a real character has been found
}
}
//============================================================================
#define MAX_FRAMES 8192
char pr_framemacros[MAX_FRAMES][16];
int pr_framemacrovalue[MAX_FRAMES];
int pr_nummacros;
int pr_macrovalue;
int pr_savedmacro;
void QCC_PR_ClearGrabMacros (void)
{
pr_nummacros = 0;
pr_macrovalue = 0;
pr_savedmacro = -1;
}
void QCC_PR_FindMacro (void)
{
int i;
for (i=0 ; i<pr_nummacros ; i++)
{
if (!STRCMP (pr_token, pr_framemacros[i]))
{
sprintf (pr_token,"%d", pr_framemacrovalue[i]);
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
pr_immediate._float = (float)pr_framemacrovalue[i];
return;
}
}
for (i=0 ; i<pr_nummacros ; i++)
{
if (!stricmp (pr_token, pr_framemacros[i]))
{
sprintf (pr_token,"%d", pr_framemacrovalue[i]);
pr_token_type = tt_immediate;
pr_immediate_type = type_float;
pr_immediate._float = (float)pr_framemacrovalue[i];
QCC_PR_ParseWarning(WARN_CASEINSENSATIVEFRAMEMACRO, "Case insensative frame macro");
return;
}
}
QCC_PR_ParseError (ERR_BADFRAMEMACRO, "Unknown frame macro $%s", pr_token);
}
// just parses text, returning false if an eol is reached
pbool QCC_PR_SimpleGetToken (void)
{
int c;
int i;
// skip whitespace
while ( (c = *pr_file_p) <= ' ')
{
if (c=='\n' || c == 0)
return false;
pr_file_p++;
}
i = 0;
while ( (c = *pr_file_p) > ' ' && c != ',' && c != ';' && c != ')' && c != '(')
{
pr_token[i] = c;
i++;
pr_file_p++;
}
pr_token[i] = 0;
return true;
}
void QCC_PR_ParseFrame (void)
{
while (QCC_PR_SimpleGetToken ())
{
strcpy (pr_framemacros[pr_nummacros], pr_token);
pr_framemacrovalue[pr_nummacros] = pr_macrovalue++;
pr_nummacros++;
if (pr_nummacros >= MAX_FRAMES)
QCC_PR_ParseError(ERR_TOOMANYFRAMEMACROS, "Too many frame macros defined");
}
}
/*
==============
PR_LexGrab
Deals with counting sequence numbers and replacing frame macros
==============
*/
void QCC_PR_LexGrab (void)
{
pr_file_p++; // skip the $
// if (!QCC_PR_SimpleGetToken ())
// QCC_PR_ParseError ("hanging $");
if (*pr_file_p <= ' ')
QCC_PR_ParseError (ERR_BADFRAMEMACRO, "hanging $");
QCC_PR_LexName();
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_SimpleGetToken ())
;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "flush"))
{
QCC_PR_ClearGrabMacros();
while (QCC_PR_SimpleGetToken ())
;
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "framevalue"))
{
QCC_PR_SimpleGetToken ();
pr_macrovalue = atoi(pr_token);
QCC_PR_Lex ();
}
else if (!STRCMP (pr_token, "framerestore"))
{
QCC_PR_SimpleGetToken ();
QCC_PR_FindMacro();
pr_macrovalue = (int)pr_immediate._float;
QCC_PR_Lex ();
}
// look for a frame name macro
else
QCC_PR_FindMacro ();
}
//===========================
//compiler constants - dmw
pbool QCC_PR_UndefineName(char *name)
{
// int a;
CompilerConstant_t *c;
c = Hash_Get(&compconstantstable, name);
if (!c)
return false;
Hash_Remove(&compconstantstable, name);
return true;
/*
a = c-CompilerConstant;
// for (a = 0; a < numCompilerConstants; a++)
{
// if (!STRCMP(name, CompilerConstant[a].name))
{
memmove(&CompilerConstant[a], &CompilerConstant[a+1], sizeof(CompilerConstant_t) * (numCompilerConstants-a));
numCompilerConstants--;
if (!STRCMP(name, "OP_NODUP"))
qccop_noduplicatestrings = false;
if (!STRCMP(name, "OP_COMP_ALL")) //group
{
QCC_PR_UndefineName("OP_COMP_STATEMENTS");
QCC_PR_UndefineName("OP_COMP_DEFS");
QCC_PR_UndefineName("OP_COMP_FIELDS");
QCC_PR_UndefineName("OP_COMP_FUNCTIONS");
QCC_PR_UndefineName("OP_COMP_STRINGS");
QCC_PR_UndefineName("OP_COMP_GLOBALS");
QCC_PR_UndefineName("OP_COMP_LINES");
QCC_PR_UndefineName("OP_COMP_TYPES");
}
return true;
}
}
// return false;
*/
}
CompilerConstant_t *QCC_PR_DefineName(char *name)
{
int i;
CompilerConstant_t *cnst;
// if (numCompilerConstants >= MAX_CONSTANTS)
// QCC_PR_ParseError("Too many compiler constants - %i >= %i", numCompilerConstants, MAX_CONSTANTS);
if (strlen(name) >= MAXCONSTANTLENGTH || !*name)
QCC_PR_ParseError(ERR_CONSTANTTOOLONG, "Compiler constant name length is too long or short");
QCC_PR_UndefineName(name);
cnst = qccHunkAlloc(sizeof(CompilerConstant_t));
cnst->used = false;
cnst->numparams = 0;
strcpy(cnst->name, name);
cnst->namelen = strlen(name);
*cnst->value = '\0';
for (i = 0; i < MAXCONSTANTPARAMS; i++)
cnst->params[i][0] = '\0';
Hash_Add(&compconstantstable, cnst->name, cnst);
if (!STRCMP(name, "OP_NODUP"))
opt_noduplicatestrings = true;
if (!STRCMP(name, "OP_TIME")) //group - optimize for a fast compiler
{
QCC_PR_UndefineName("OP_SIZE");
QCC_PR_UndefineName("OP_SPEED");
QCC_PR_UndefineName("OP_NODUP");
QCC_PR_UndefineName("OP_COMP_ALL");
}
if (!STRCMP(name, "OP_SPEED")) //group - optimize run speed
{
QCC_PR_UndefineName("OP_SIZE");
QCC_PR_UndefineName("OP_TIME");
// QCC_PR_UndefineName("OP_NODUP");
QCC_PR_UndefineName("OP_COMP_ALL");
}
if (!STRCMP(name, "OP_SIZE")) //group - produce small output.
{
QCC_PR_UndefineName("OP_SPEED");
QCC_PR_UndefineName("OP_TIME");
QCC_PR_DefineName("OP_NODUP");
QCC_PR_DefineName("OP_COMP_ALL");
}
if (!STRCMP(name, "OP_COMP_ALL")) //group - compress the output
{
QCC_PR_DefineName("OP_COMP_STATEMENTS");
QCC_PR_DefineName("OP_COMP_DEFS");
QCC_PR_DefineName("OP_COMP_FIELDS");
QCC_PR_DefineName("OP_COMP_FUNCTIONS");
QCC_PR_DefineName("OP_COMP_STRINGS");
QCC_PR_DefineName("OP_COMP_GLOBALS");
QCC_PR_DefineName("OP_COMP_LINES");
QCC_PR_DefineName("OP_COMP_TYPES");
}
return cnst;
}
void QCC_PR_Undefine(void)
{
QCC_PR_SimpleGetToken ();
QCC_PR_UndefineName(pr_token);
// QCC_PR_ParseError("%s was not defined.", pr_token);
}
void QCC_PR_ConditionCompilation(void)
{
char *d;
char *s;
int quote=false;
CompilerConstant_t *cnst;
QCC_PR_SimpleGetToken ();
if (!QCC_PR_SimpleGetToken ())
QCC_PR_ParseError(ERR_NONAME, "No name defined for compiler constant");
QCC_PR_UndefineName(pr_token);
cnst = QCC_PR_DefineName(pr_token);
if (*pr_file_p == '(')
{
s = pr_file_p+1;
while(*pr_file_p++)
{
if (*pr_file_p == ',')
{
strncpy(cnst->params[cnst->numparams], s, pr_file_p-s);
cnst->params[cnst->numparams][pr_file_p-s] = '\0';
cnst->numparams++;
if (cnst->numparams > MAXCONSTANTPARAMS)
QCC_PR_ParseError(ERR_MACROTOOMANYPARMS, "May not have more than %i parameters to a macro", MAXCONSTANTPARAMS);
pr_file_p++;
s = pr_file_p;
}
if (*pr_file_p == ')')
{
strncpy(cnst->params[cnst->numparams], s, pr_file_p-s);
cnst->params[cnst->numparams][pr_file_p-s] = '\0';
cnst->numparams++;
if (cnst->numparams > MAXCONSTANTPARAMS)
QCC_PR_ParseError(ERR_MACROTOOMANYPARMS, "May not have more than %i parameters to a macro", MAXCONSTANTPARAMS);
pr_file_p++;
break;
}
}
}
else cnst->numparams = -1;
s = pr_file_p;
d = cnst->value;
while(*s == ' ' || *s == '\t')
s++;
while(1)
{
if (*s == '\r' || *s == '\n' || *s == '\0')
break;
if (!quote && s[0]=='/'&&(s[1]=='/'||s[1]=='*'))
break;
if (*s == '\"')
quote=!quote;
*d = *s;
d++;
s++;
}
*d = '\0';
d--;
while(*d<= ' ' && d >= cnst->value)
*d-- = '\0';
if (strlen(cnst->value) >= sizeof(cnst->value)) //this is too late.
QCC_PR_ParseError(ERR_CONSTANTTOOLONG, "Macro %s too long (%i not %i)", cnst->name, strlen(cnst->value), sizeof(cnst->value));
}
char *daynames[] =
{
"Mon",
"Tue",
"Wed",
"Thu",
"Fri",
"Sat",
"Sun"
};
char *monthnames[] =
{
"Jan",
"Feb",
"Mar",
"Apr",
"May",
"Jun",
"Jul",
"Aug",
"Sep",
"Oct",
"Nov",
"Dec"
};
int QCC_PR_CheakCompConst(void)
{
char *oldpr_file_p = pr_file_p;
CompilerConstant_t *c;
char *end;
for (end = pr_file_p; ; end++)
{
if (*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;
}
strncpy(pr_token, pr_file_p, end-pr_file_p);
pr_token[end-pr_file_p]='\0';
// printf("%s\n", pr_token);
c = Hash_Get(&compconstantstable, pr_token);
if (c)
{
pr_file_p = oldpr_file_p+strlen(c->name);
QCC_PR_LexWhitespace();
if (c->numparams>=0)
{
if (*pr_file_p == '(')
{
int p;
char *start;
char buffer[1024];
char *paramoffset[MAXCONSTANTPARAMS+1];
int param=0;
pr_file_p++;
QCC_PR_LexWhitespace();
start = pr_file_p;
while(1)
{
if (*pr_file_p == ',' || *pr_file_p == ')')
{
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();
if (param == MAXCONSTANTPARAMS)
QCC_PR_ParseError(ERR_TOOMANYPARAMS, "Too many parameters in macro call");
}
if (!*pr_file_p)
QCC_PR_ParseError(ERR_EOF, "EOF on macro call");
pr_file_p++;
}
if (param < c->numparams)
QCC_PR_ParseError(ERR_TOOFEWPARAMS, "Not enough macro parameters");
paramoffset[param] = start;
*buffer = '\0';
oldpr_file_p = pr_file_p;
pr_file_p = c->value;
do
{
pr_file_p = QCC_COM_Parse(pr_file_p);
if (!pr_file_p)
break;
for (p = 0; p < param; p++)
{
if (!STRCMP(qcc_token, c->params[p]))
{
strcat(buffer, paramoffset[p]);
break;
}
}
if (p == param)
strcat(buffer, qcc_token);
} while(1);
for (p = 0; p < param-1; p++)
paramoffset[p][strlen(paramoffset[p])] = ',';
paramoffset[p][strlen(paramoffset[p])] = ')';
pr_file_p = oldpr_file_p;
QCC_PR_IncludeChunk(buffer, true, NULL);
}
else
QCC_PR_ParseError(ERR_TOOFEWPARAMS, "Macro without opening brace");
}
else
QCC_PR_IncludeChunk(c->value, false, NULL);
QCC_PR_Lex();
return true;
}
if (!strncmp(pr_file_p, "__TIME__", 8))
{
static char retbuf[256];
#ifdef WIN32
SYSTEMTIME Systime;
GetSystemTime(&Systime);
sprintf(retbuf, "\"%i:%i\"", Systime.wHour, Systime.wMinute);
#else //linux
sprintf(retbuf, "\"unknown time\"");
#endif
pr_file_p = retbuf;
QCC_PR_Lex(); //translate the macro's value
pr_file_p = oldpr_file_p+8;
return true;
}
if (!strncmp(pr_file_p, "__DATE__", 8))
{
static char retbuf[256];
#ifdef WIN32
SYSTEMTIME Systime;
GetSystemTime(&Systime);
//dayname, day, month, year
sprintf(retbuf, "\"%s %i %s %i\"", daynames[Systime.wDayOfWeek], Systime.wDay, monthnames[Systime.wMonth], Systime.wYear);
#else //linux
sprintf(retbuf, "\"unknown date\"");
#endif
pr_file_p = retbuf;
QCC_PR_Lex(); //translate the macro's value
pr_file_p = oldpr_file_p+8;
return true;
}
if (!strncmp(pr_file_p, "__FILE__", 8))
{
static char retbuf[256];
sprintf(retbuf, "\"%s\"", strings + s_file);
pr_file_p = retbuf;
QCC_PR_Lex(); //translate the macro's value
pr_file_p = oldpr_file_p+8;
return true;
}
if (!strncmp(pr_file_p, "__LINE__", 8))
{
static char retbuf[256];
sprintf(retbuf, "\"%i\"", pr_source_line);
pr_file_p = retbuf;
QCC_PR_Lex(); //translate the macro's value
pr_file_p = oldpr_file_p+8;
return true;
}
if (!strncmp(pr_file_p, "__FUNC__", 8))
{
static char retbuf[256];
sprintf(retbuf, "\"%s\"",pr_scope->name);
pr_file_p = retbuf;
QCC_PR_Lex(); //translate the macro's value
pr_file_p = oldpr_file_p+8;
return true;
}
if (!strncmp(pr_file_p, "__NULL__", 8))
{
static char retbuf[256];
sprintf(retbuf, "~0");
pr_file_p = retbuf;
QCC_PR_Lex(); //translate the macro's value
pr_file_p = oldpr_file_p+8;
return true;
}
return false;
}
char *QCC_PR_CheakCompConstString(char *def)
{
char *s;
CompilerConstant_t *c;
c = Hash_Get(&compconstantstable, def);
if (c)
{
s = QCC_PR_CheakCompConstString(c->value);
return s;
}
return def;
}
CompilerConstant_t *QCC_PR_CheckCompConstDefined(char *def)
{
CompilerConstant_t *c = Hash_Get(&compconstantstable, def);
return c;
/*int a;
for (a = 0; a < numCompilerConstants; a++)
{
if (!strncmp(def, CompilerConstant[a].name, CompilerConstant[a].namelen+1))
return &CompilerConstant[a];
}
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 ();
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 == '\"')
{
QCC_PR_LexString ();
return;
}
// handle quoted vectors as a unit
if (c == '\'')
{
QCC_PR_LexVector ();
return;
}
// if the first character is a valid identifier, parse until a non-id
// character is reached
if ( c == '~' )
{
pr_file_p++;
pr_token_type = tt_immediate;
pr_immediate_type = type_integer;
pr_immediate._int = QCC_PR_LexInteger ();
return;
}
if ( c == '0' && pr_file_p[1] == 'x')
{
pr_token_type = tt_immediate;
QCC_PR_LexNumber();
return;
}
if ( (c == '.'&&pr_file_p[1] >='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;
pr_immediate_type = type_float;
pr_immediate._float = QCC_PR_LexFloat ();
// 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'))) //hash and not number
{
pr_file_p++;
if (!QCC_PR_CheakCompConst())
{
if (!QCC_PR_SimpleGetToken())
strcpy(pr_token, "unknown");
QCC_PR_ParseError(ERR_CONSTANTNOTDEFINED, "Explicit precompiler usage when not defined %s", pr_token);
}
else
if (pr_token_type == tt_eof)
QCC_PR_Lex();
return;
}
if ( (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || c == '_' )
{
if (!QCC_PR_CheakCompConst()) //look for a macro.
QCC_PR_LexName ();
else
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 ();
}
//=============================================================================
void QCC_PR_ParsePrintDef (int type, QCC_def_t *def)
{
if (qccwarningdisabled[type])
return;
if (def->s_file)
printf ("%s:%i: %s is defined here\n", strings + def->s_file, def->s_line, def->name);
}
/*
============
PR_ParseError
Aborts the current file load
============
*/
#ifndef QCC
void editbadfile(char *file, int line);
#endif
void VARGS QCC_PR_ParseError (int errortype, char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
#ifndef QCC
editbadfile(strings+s_file, pr_source_line);
#endif
printf ("%s:%i: error: %s\n", strings + s_file, pr_source_line, string);
longjmp (pr_parse_abort, 1);
}
void VARGS QCC_PR_ParseErrorPrintDef (int errortype, QCC_def_t *def, char *error, ...)
{
va_list argptr;
char string[1024];
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
#ifndef QCC
editbadfile(strings+s_file, pr_source_line);
#endif
printf ("%s:%i: error: %s\n", strings + s_file, pr_source_line, string);
QCC_PR_ParsePrintDef(WARN_ERROR, def);
longjmp (pr_parse_abort, 1);
}
void VARGS QCC_PR_ParseWarning (int type, char *error, ...)
{
va_list argptr;
char string[1024];
if (qccwarningdisabled[type])
return;
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
printf ("%s:%i: warning: %s\n", strings + s_file, pr_source_line, string);
}
void VARGS QCC_PR_Warning (int type, char *file, int line, char *error, ...)
{
va_list argptr;
char string[1024];
if (qccwarningdisabled[type])
return;
va_start (argptr,error);
QC_vsnprintf (string,sizeof(string)-1, error,argptr);
va_end (argptr);
if (file)
printf ("%s:%i: warning: %s\n", file, line, string);
else
printf ("warning: %s\n", 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 (char *string)
{
if (STRCMP (string, pr_token))
QCC_PR_ParseError (ERR_EXPECTED, "expected %s, found %s",string, pr_token);
QCC_PR_Lex ();
}
#endif
/*
=============
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_Check (char *string)
{
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)
{
static char ident[MAX_NAME];
char *ret;
if (pr_token_type != tt_name)
QCC_PR_ParseError (ERR_NOTANAME, "\"%s\" - not a name", pr_token);
if (strlen(pr_token) >= MAX_NAME-1)
QCC_PR_ParseError (ERR_NAMETOOLONG, "name too long");
strcpy (ident, pr_token);
QCC_PR_Lex ();
ret = qccHunkAlloc(strlen(ident)+1);
strcpy(ret, ident);
return ret;
// return ident;
}
/*
============
PR_FindType
Returns a preexisting complex type that matches the parm, or allocates
a new one and copies it out.
============
*/
//0 if same
QCC_type_t *QCC_PR_NewType (char *name, int basictype);
int typecmp(QCC_type_t *a, QCC_type_t *b)
{
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->size != b->size)
return 1;
if (STRCMP(a->name, b->name))
return 1;
if (typecmp(a->aux_type, b->aux_type))
return 1;
if (a->param || b->param)
{
a = a->param;
b = b->param;
while(a || b)
{
if (typecmp(a, b))
return 1;
a=a->next;
b=b->next;
}
}
return 0;
}
QCC_type_t *QCC_PR_DuplicateType(QCC_type_t *in)
{
QCC_type_t *out, *op, *ip;
if (!in)
return NULL;
out = QCC_PR_NewType(in->name, in->type);
out->aux_type = QCC_PR_DuplicateType(in->aux_type);
out->param = QCC_PR_DuplicateType(in->param);
ip = in->param;
op = NULL;
while(ip)
{
if (!op)
out->param = op = QCC_PR_DuplicateType(ip);
else
op = (op->next = QCC_PR_DuplicateType(ip));
ip = ip->next;
}
out->size = in->size;
out->num_parms = in->num_parms;
out->ofs = in->ofs;
out->name = in->name;
out->parentclass = in->parentclass;
return out;
}
char *TypeName(QCC_type_t *type)
{
static char buffer[2][512];
static int op;
char *ret;
op++;
ret = buffer[op&1];
if (type->type == ev_field)
{
type = type->aux_type;
*ret++ = '.';
}
*ret = 0;
if (type->type == ev_function)
{
strcat(ret, type->aux_type->name);
strcat(ret, " (");
type = type->param;
while(type)
{
strcat(ret, type->name);
type = type->next;
if (type)
strcat(ret, ", ");
}
strcat(ret, ")");
}
else if (type->type == ev_entity && type->parentclass)
{
op++;
ret = buffer[op&1];
*ret = 0;
strcat(ret, "class ");
strcat(ret, type->name);
/* strcat(ret, " {");
type = type->param;
while(type)
{
strcat(ret, type->name);
type = type->next;
if (type)
strcat(ret, ", ");
}
strcat(ret, "}");
*/
}
else
strcpy(ret, type->name);
return buffer[op&1];
}
//#define typecmp(a, b) (a && ((a)->type==(b)->type) && !STRCMP((a)->name, (b)->name))
QCC_type_t *QCC_PR_FindType (QCC_type_t *type)
{
int t;
for (t = 0; t < numtypeinfos; t++)
{
// check = &qcc_typeinfo[t];
if (typecmp(&qcc_typeinfo[t], type))
continue;
// c2 = check->next;
// n2 = type->next;
// for (i=0 ; n2&&c2 ; i++)
// {
// if (!typecmp((c2), (n2)))
// break;
// c2=c2->next;
// n2=n2->next;
// }
// if (n2==NULL&&c2==NULL)
{
return &qcc_typeinfo[t];
}
}
QCC_Error(ERR_INTERNAL, "Error with type");
return type;
}
/*
QCC_type_t *QCC_PR_NextSubType(QCC_type_t *type, QCC_type_t *prev)
{
int p;
if (!prev)
return type->next;
for (p = prev->num_parms; p; p--)
prev = QCC_PR_NextSubType(prev, NULL);
if (prev->num_parms)
switch(prev->type)
{
case ev_function:
}
return prev->next;
}
*/
QCC_type_t *QCC_TypeForName(char *name)
{
int i;
for (i = 0; i < numtypeinfos; i++)
{
if (!STRCMP(qcc_typeinfo[i].name, name))
{
return &qcc_typeinfo[i];
}
}
return NULL;
}
/*
============
PR_SkipToSemicolon
For error recovery, also pops out of nested braces
============
*/
void QCC_PR_SkipToSemicolon (void)
{
do
{
if (!pr_bracelevel && QCC_PR_Check (";"))
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
QCC_type_t *QCC_PR_NewType (char *name, int basictype);
//expects a ( to have already been parsed.
QCC_type_t *QCC_PR_ParseFunctionType (int newtype, QCC_type_t *returntype)
{
QCC_type_t *ftype, *ptype, *nptype;
char *name;
ftype = QCC_PR_NewType(type_function->name, ev_function);
ftype->aux_type = returntype; // return type
ftype->num_parms = 0;
ptype = NULL;
if (!QCC_PR_Check (")"))
{
if (QCC_PR_Check ("..."))
ftype->num_parms = -1; // variable args
else
do
{
if (ftype->num_parms>=MAX_PARMS+MAX_EXTRA_PARMS)
QCC_PR_ParseError(ERR_TOOMANYPARAMETERSFORFUNC, "Too many parameters. Sorry. (limit is %i)\n", MAX_PARMS+MAX_EXTRA_PARMS);
if (QCC_PR_Check ("..."))
{
ftype->num_parms = (ftype->num_parms * -1) - 1;
break;
}
nptype = QCC_PR_ParseType(true);
if (nptype->type == ev_void)
break;
if (!ptype)
{
ptype = nptype;
ftype->param = ptype;
}
else
{
ptype->next = nptype;
ptype = ptype->next;
}
// type->name = "FUNC PARAMETER";
if (STRCMP(pr_token, ",") && STRCMP(pr_token, ")"))
{
name = QCC_PR_ParseName ();
strcpy (pr_parm_names[ftype->num_parms], name);
}
else
strcpy (pr_parm_names[ftype->num_parms], "");
ftype->num_parms++;
} while (QCC_PR_Check (","));
QCC_PR_Expect (")");
}
if (newtype)
return ftype;
return QCC_PR_FindType (ftype);
}
QCC_type_t *QCC_PR_ParseType (int newtype)
{
QCC_type_t *newparm;
QCC_type_t *newt;
QCC_type_t *type;
char *name;
int i;
// int ofs;
if (QCC_PR_Check ("."))
{
newt = QCC_PR_NewType("FIELD TYPE", ev_field);
newt->aux_type = QCC_PR_ParseType (false);
newt->size = newt->aux_type->size;
if (newtype)
return newt;
return QCC_PR_FindType (newt);
}
name = QCC_PR_CheakCompConstString(pr_token);
if (QCC_PR_Check ("class"))
{
// int parms;
QCC_type_t *fieldtype;
char membername[2048];
char *classname = QCC_PR_ParseName();
newt = QCC_PR_NewType(classname, ev_entity);
newt->size=type_entity->size;
type = NULL;
if (QCC_PR_Check(":"))
{
char *parentname = QCC_PR_ParseName();
newt->parentclass = QCC_TypeForName(parentname);
if (!newt->parentclass)
QCC_PR_ParseError(ERR_NOTANAME, "Parent class %s was not defined", parentname);
}
else
newt->parentclass = type_entity;
QCC_PR_Expect("{");
if (QCC_PR_Check(","))
QCC_PR_ParseError(ERR_NOTANAME, "member missing name");
while (!QCC_PR_Check("}"))
{
// if (QCC_PR_Check(","))
// type->next = QCC_PR_NewType(type->name, type->type);
// else
newparm = QCC_PR_ParseType(true);
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);
if (!QCC_PR_Check(";"))
{
newparm->name = QCC_CopyString(pr_token)+strings;
QCC_PR_Lex();
if (QCC_PR_Check("["))
{
type->next->size*=atoi(pr_token);
QCC_PR_Lex();
QCC_PR_Expect("]");
}
QCC_PR_Check(";");
}
else
newparm->name = QCC_CopyString("")+strings;
sprintf(membername, "%s::"MEMBERFIELDNAME, classname, newparm->name);
fieldtype = QCC_PR_NewType(newparm->name, ev_field);
fieldtype->aux_type = newparm;
QCC_PR_GetDef(fieldtype, membername, pr_scope, 2, 1);
newparm->ofs = newt->size;
newt->num_parms++;
if (type)
type->next = newparm;
else
newt->param = newparm;
type = newparm;
}
QCC_PR_Expect(";");
return NULL;
}
if (QCC_PR_Check ("struct"))
{
newt = QCC_PR_NewType("struct", ev_struct);
newt->size=0;
QCC_PR_Expect("{");
type = NULL;
if (QCC_PR_Check(","))
QCC_PR_ParseError(ERR_NOTANAME, "element missing name");
while (!QCC_PR_Check("}"))
{
if (QCC_PR_Check(","))
{
if (!newparm)
QCC_PR_ParseError(ERR_NOTANAME, "element missing type");
newparm = QCC_PR_NewType(newparm->name, newparm->type);
}
else
newparm = QCC_PR_ParseType(true);
if (!QCC_PR_Check(";"))
{
newparm->name = QCC_CopyString(pr_token)+strings;
QCC_PR_Lex();
if (QCC_PR_Check("["))
{
newparm->size*=atoi(pr_token);
QCC_PR_Lex();
QCC_PR_Expect("]");
}
QCC_PR_Check(";");
}
else
newparm->name = QCC_CopyString("")+strings;
newparm->ofs = newt->size;
newt->size += newparm->size;
newt->num_parms++;
if (type)
type->next = newparm;
else
newt->param = newparm;
type = newparm;
}
return newt;
}
if (QCC_PR_Check ("union"))
{
newt = QCC_PR_NewType("union", ev_union);
newt->size=0;
QCC_PR_Expect("{");
type = NULL;
if (QCC_PR_Check(","))
QCC_PR_ParseError(ERR_NOTANAME, "element missing name");
while (!QCC_PR_Check("}"))
{
if (QCC_PR_Check(","))
{
if (!newparm)
QCC_PR_ParseError(ERR_NOTANAME, "element missing type");
newparm = QCC_PR_NewType(newparm->name, newparm->type);
}
else
newparm = QCC_PR_ParseType(true);
if (QCC_PR_Check(";"))
newparm->name = QCC_CopyString("")+strings;
else
{
newparm->name = QCC_CopyString(pr_token)+strings;
QCC_PR_Lex();
QCC_PR_Expect(";");
}
newparm->ofs = 0;
if (newparm->size > newt->size)
newt->size = newparm->size;
newt->num_parms++;
if (type)
type->next = newparm;
else
newt->param = newparm;
type = newparm;
}
return newt;
}
type = NULL;
for (i = 0; i < numtypeinfos; i++)
{
if (!STRCMP(qcc_typeinfo[i].name, name))
{
type = &qcc_typeinfo[i];
break;
}
}
if (i == numtypeinfos)
{
QCC_PR_ParseError (ERR_NOTATYPE, "\"%s\" is not a type", name);
type = type_float; // shut up compiler warning
}
QCC_PR_Lex ();
if (QCC_PR_Check ("(")) //this is followed by parameters. Must be a function.
return QCC_PR_ParseFunctionType(newtype, type);
else
{
if (newtype)
{
type = QCC_PR_DuplicateType(type);
}
return type;
}
}
#endif
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