diff options
Diffstat (limited to 'src/mesa/shader/slang/MachineIndependent/preprocessor/scanner.c')
| -rwxr-xr-x | src/mesa/shader/slang/MachineIndependent/preprocessor/scanner.c | 789 |
1 files changed, 0 insertions, 789 deletions
diff --git a/src/mesa/shader/slang/MachineIndependent/preprocessor/scanner.c b/src/mesa/shader/slang/MachineIndependent/preprocessor/scanner.c deleted file mode 100755 index d80e37b8e9b..00000000000 --- a/src/mesa/shader/slang/MachineIndependent/preprocessor/scanner.c +++ /dev/null @@ -1,789 +0,0 @@ -/* */ -/*Copyright (C) 2002-2005 3Dlabs Inc. Ltd. */ -/*All rights reserved. */ -/* */ -/*Redistribution and use in source and binary forms, with or without */ -/*modification, are permitted provided that the following conditions */ -/*are met: */ -/* */ -/* Redistributions of source code must retain the above copyright */ -/* notice, this list of conditions and the following disclaimer. */ -/* */ -/* Redistributions in binary form must reproduce the above */ -/* copyright notice, this list of conditions and the following */ -/* disclaimer in the documentation and/or other materials provided */ -/* with the distribution. */ -/* */ -/* Neither the name of 3Dlabs Inc. Ltd. nor the names of its */ -/* contributors may be used to endorse or promote products derived */ -/* from this software without specific prior written permission. */ -/* */ -/*THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */ -/*"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */ -/*LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */ -/*FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE */ -/*COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */ -/*INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, */ -/*BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */ -/*LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER */ -/*CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT */ -/*LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN */ -/*ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */ -/*POSSIBILITY OF SUCH DAMAGE. */ -/* */ -/****************************************************************************\
-Copyright (c) 2002, NVIDIA Corporation.
-
-NVIDIA Corporation("NVIDIA") supplies this software to you in
-consideration of your agreement to the following terms, and your use,
-installation, modification or redistribution of this NVIDIA software
-constitutes acceptance of these terms. If you do not agree with these
-terms, please do not use, install, modify or redistribute this NVIDIA
-software.
-
-In consideration of your agreement to abide by the following terms, and
-subject to these terms, NVIDIA grants you a personal, non-exclusive
-license, under NVIDIA's copyrights in this original NVIDIA software (the
-"NVIDIA Software"), to use, reproduce, modify and redistribute the
-NVIDIA Software, with or without modifications, in source and/or binary
-forms; provided that if you redistribute the NVIDIA Software, you must
-retain the copyright notice of NVIDIA, this notice and the following
-text and disclaimers in all such redistributions of the NVIDIA Software.
-Neither the name, trademarks, service marks nor logos of NVIDIA
-Corporation may be used to endorse or promote products derived from the
-NVIDIA Software without specific prior written permission from NVIDIA.
-Except as expressly stated in this notice, no other rights or licenses
-express or implied, are granted by NVIDIA herein, including but not
-limited to any patent rights that may be infringed by your derivative
-works or by other works in which the NVIDIA Software may be
-incorporated. No hardware is licensed hereunder.
-
-THE NVIDIA SOFTWARE IS BEING PROVIDED ON AN "AS IS" BASIS, WITHOUT
-WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED,
-INCLUDING WITHOUT LIMITATION, WARRANTIES OR CONDITIONS OF TITLE,
-NON-INFRINGEMENT, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
-ITS USE AND OPERATION EITHER ALONE OR IN COMBINATION WITH OTHER
-PRODUCTS.
-
-IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT,
-INCIDENTAL, EXEMPLARY, CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-TO, LOST PROFITS; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) OR ARISING IN ANY WAY
-OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE
-NVIDIA SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT,
-TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF
-NVIDIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-\****************************************************************************/
-/* */ -/* scanner.c */ -/* */ -
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#if 0
- #include <ieeefp.h>
- #else
- #define isinff(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
- ((*(long *)&(x) & 0x007fffffL)==0000000000L))
-#endif
-
-#include "slglobals.h"
-
-
-typedef struct StringInputSrc {
- InputSrc base;
- char *p;
-} StringInputSrc;
-
-static int eof_scan(InputSrc *is, yystypepp * yylvalpp)
-{
- return EOF;
-} /* eof_scan */ -
-static void noop(InputSrc *in, int ch, yystypepp * yylvalpp) {}
-
-static InputSrc eof_inputsrc = { 0, &eof_scan, &eof_scan, &noop };
-
-static int byte_scan(InputSrc *, yystypepp * yylvalpp);
-
-#define EOL_SY '\n'
-
-#if defined(_WIN32)
- #define DBG_BREAKPOINT() __asm int 3
- #elif defined(_M_AMD64)
- #define DBG_BREAKPOINT() assert(!"Dbg_Breakpoint");
- #else
- #define DBG_BREAKPOINT()
- #endif
-
- #if defined(_WIN32) && !defined(_M_AMD64)
- __int64 RDTSC ( void ) {
-
- __int64 v;
-
- __asm __emit 0x0f
- __asm __emit 0x31
- __asm mov dword ptr v, eax
- __asm mov dword ptr v+4, edx
-
- return v;
- }
-#endif
-
-
-int InitScanner(CPPStruct *cpp)
-{
- /* Add various atoms needed by the CPP line scanner: */ - if (!InitCPP())
- return 0;
-
- cpp->mostRecentToken = 0;
- cpp->tokenLoc = &cpp->ltokenLoc;
-
- cpp->ltokenLoc.file = 0;
- cpp->ltokenLoc.line = 0;
-
- cpp->currentInput = &eof_inputsrc;
- cpp->previous_token = '\n';
- cpp->notAVersionToken = 0;
-
- return 1;
-} /* InitScanner */ -
-int FreeScanner(void)
-{
- return (FreeCPP());
-}
-
-/*
- * str_getch()
- * takes care of reading from multiple strings.
- * returns the next-char from the input stream.
- * returns EOF when the complete shader is parsed.
- */
-static int str_getch(StringInputSrc *in)
-{
- for(;;){
- if (*in->p){
- if (*in->p == '\n') {
- in->base.line++;
- IncLineNumber();
- }
- return *in->p++;
- }
- if(++(cpp->PaWhichStr) < cpp->PaArgc){
- free(in);
- SetStringNumber(cpp->PaWhichStr);
- SetLineNumber(1);
- ScanFromString(cpp->PaArgv[cpp->PaWhichStr]);
- in=(StringInputSrc*)cpp->currentInput;
- continue;
- }
- else{
- cpp->currentInput = in->base.prev;
- cpp->PaWhichStr=0;
- free(in);
- return EOF;
- }
- }
-} /* str_getch */ -
-static void str_ungetch(StringInputSrc *in, int ch, yystypepp *type) {
- if (in->p[-1] == ch)in->p--;
- else {
- *(in->p)='\0'; /*this would take care of shifting to the previous string. */ - cpp->PaWhichStr--;
- }
- if (ch == '\n') {
- in->base.line--;
- DecLineNumber();
- }
-} /* str_ungetch */ -
-int ScanFromString(char *s)
-{
-
- StringInputSrc *in = malloc(sizeof(StringInputSrc));
- memset(in, 0, sizeof(StringInputSrc));
- in->p = s;
- in->base.line = 1;
- in->base.scan = byte_scan;
- in->base.getch = (int (*)(InputSrc *, yystypepp *))str_getch;
- in->base.ungetch = (void (*)(InputSrc *, int, yystypepp *))str_ungetch;
- in->base.prev = cpp->currentInput;
- cpp->currentInput = &in->base;
-
- return 1;
-} /* ScanFromString; */ -
-
-/*///////////////////////////////////////////////////////////////////////////////////////////// */ -/*///////////////////////////////// Floating point constants: ///////////////////////////////// */ -/*///////////////////////////////////////////////////////////////////////////////////////////// */ -/*
- * lBuildFloatValue() - Quick and dirty conversion to floating point. Since all
- * we need is single precision this should be quite precise.
- */
-
-static float lBuildFloatValue(const char *str, int len, int exp)
-{
- double val, expval, ten;
- int ii, llen, absexp;
- float rv;
-
- val = 0.0;
- llen = len;
- for (ii = 0; ii < len; ii++)
- val = val*10.0 + (str[ii] - '0');
- if (exp != 0) {
- absexp = exp > 0 ? exp : -exp;
- expval = 1.0f;
- ten = 10.0;
- while (absexp) {
- if (absexp & 1)
- expval *= ten;
- ten *= ten;
- absexp >>= 1;
- }
- if (exp >= 0) {
- val *= expval;
- } else {
- val /= expval;
- }
- }
- rv = (float)val;
- if (isinff(rv)) {
- CPPErrorToInfoLog(" ERROR___FP_CONST_OVERFLOW");
- }
- return rv;
-} /* lBuildFloatValue */ -
-
-/*
- * lFloatConst() - Scan a floating point constant. Assumes that the scanner
- * has seen at least one digit, followed by either a decimal '.' or the
- * letter 'e'.
- */
-
-static int lFloatConst(char *str, int len, int ch, yystypepp * yylvalpp)
-{
- int HasDecimal, declen, exp, ExpSign;
- int str_len;
- float lval;
-
- HasDecimal = 0;
- declen = 0;
- exp = 0;
-
- str_len=len;
- if (ch == '.') {
- str[len++]=ch;
- HasDecimal = 1;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- while (ch >= '0' && ch <= '9') {
- if (len < MAX_SYMBOL_NAME_LEN) {
- declen++;
- if (len > 0 || ch != '0') {
- str[len] = ch;
- len++;str_len++;
- }
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- } else {
- CPPErrorToInfoLog("ERROR___FP_CONST_TOO_LONG");
- len = 1,str_len=1;
- }
- }
- }
-
- /* Exponent: */ -
- if (ch == 'e' || ch == 'E') {
- ExpSign = 1;
- str[len++]=ch;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '+') {
- str[len++]=ch;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- } else if (ch == '-') {
- ExpSign = -1;
- str[len++]=ch;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- }
- if (ch >= '0' && ch <= '9') {
- while (ch >= '0' && ch <= '9') {
- exp = exp*10 + ch - '0';
- str[len++]=ch;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- }
- } else {
- CPPErrorToInfoLog("ERROR___ERROR_IN_EXPONENT");
- }
- exp *= ExpSign;
- }
-
- if (len == 0) {
- lval = 0.0f;
- strcpy(str,"0.0");
- } else {
- str[len]='\0';
- lval = lBuildFloatValue(str, str_len, exp - declen);
- }
- /* Suffix: */ -
- yylvalpp->sc_fval = lval;
- strcpy(yylvalpp->symbol_name,str);
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return CPP_FLOATCONSTANT;
-} /* lFloatConst */ -
-/*///////////////////////////////////////////////////////////////////////////////////////////// */ -/*/////////////////////////////////////// Normal Scanner ////////////////////////////////////// */ -/*///////////////////////////////////////////////////////////////////////////////////////////// */ -
-static int byte_scan(InputSrc *in, yystypepp * yylvalpp)
-{
- char symbol_name[MAX_SYMBOL_NAME_LEN + 1];
- char string_val[MAX_STRING_LEN + 1];
- int AlreadyComplained;
- int len, ch, ii, ival = 0;
-
- for (;;) {
- yylvalpp->sc_int = 0;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
-
- while (ch == ' ' || ch == '\t' || ch == '\r') {
- yylvalpp->sc_int = 1;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- }
-
- cpp->ltokenLoc.file = cpp->currentInput->name;
- cpp->ltokenLoc.line = cpp->currentInput->line;
- len = 0;
- switch (ch) {
- default:
- return ch; /* Single character token */ - case EOF:
- return -1;
- case 'A': case 'B': case 'C': case 'D': case 'E':
- case 'F': case 'G': case 'H': case 'I': case 'J':
- case 'K': case 'L': case 'M': case 'N': case 'O':
- case 'P': case 'Q': case 'R': case 'S': case 'T':
- case 'U': case 'V': case 'W': case 'X': case 'Y':
- case 'Z': case '_':
- case 'a': case 'b': case 'c': case 'd': case 'e':
- case 'f': case 'g': case 'h': case 'i': case 'j':
- case 'k': case 'l': case 'm': case 'n': case 'o':
- case 'p': case 'q': case 'r': case 's': case 't':
- case 'u': case 'v': case 'w': case 'x': case 'y':
- case 'z':
- do {
- if (len < MAX_SYMBOL_NAME_LEN) {
- symbol_name[len] = ch;
- len++;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- } else {
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- }
- } while ((ch >= 'a' && ch <= 'z') ||
- (ch >= 'A' && ch <= 'Z') ||
- (ch >= '0' && ch <= '9') ||
- ch == '_');
- if (len >= MAX_SYMBOL_NAME_LEN)
- len = MAX_SYMBOL_NAME_LEN - 1;
- symbol_name[len] = '\0';
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- yylvalpp->sc_ident = LookUpAddString(atable, symbol_name);
- return CPP_IDENTIFIER;
- break;
- case '0':
- yylvalpp->symbol_name[len++] = ch;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == 'x' || ch == 'X') {
- yylvalpp->symbol_name[len++] = ch;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if ((ch >= '0' && ch <= '9') ||
- (ch >= 'A' && ch <= 'F') ||
- (ch >= 'a' && ch <= 'f'))
- {
- AlreadyComplained = 0;
- ival = 0;
- do {
- yylvalpp->symbol_name[len++] = ch;
- if (ival <= 0x0fffffff) {
- if (ch >= '0' && ch <= '9') {
- ii = ch - '0';
- } else if (ch >= 'A' && ch <= 'F') {
- ii = ch - 'A' + 10;
- } else {
- ii = ch - 'a' + 10;
- }
- ival = (ival << 4) | ii;
- } else {
- if (!AlreadyComplained)
- CPPErrorToInfoLog("ERROR___HEX_CONST_OVERFLOW");
- AlreadyComplained = 1;
- }
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- } while ((ch >= '0' && ch <= '9') ||
- (ch >= 'A' && ch <= 'F') ||
- (ch >= 'a' && ch <= 'f'));
- } else {
- CPPErrorToInfoLog("ERROR___ERROR_IN_HEX_CONSTANT");
- }
- yylvalpp->symbol_name[len] = '\0';
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- yylvalpp->sc_int = ival;
- return CPP_INTCONSTANT;
- } else if (ch >= '0' && ch <= '7') { /* octal integer constants */ - AlreadyComplained = 0;
- ival = 0;
- do {
- yylvalpp->symbol_name[len++] = ch;
- if (ival <= 0x1fffffff) {
- ii = ch - '0';
- ival = (ival << 3) | ii;
- } else {
- if (!AlreadyComplained)
- CPPErrorToInfoLog("ERROR___OCT_CONST_OVERFLOW");
- AlreadyComplained = 1;
- }
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- } while (ch >= '0' && ch <= '7');
- if (ch == '.' || ch == 'e' || ch == 'f' || ch == 'h' || ch == 'x'|| ch == 'E')
- return lFloatConst(yylvalpp->symbol_name, len, ch, yylvalpp);
- yylvalpp->symbol_name[len] = '\0';
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- yylvalpp->sc_int = ival;
- return CPP_INTCONSTANT;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- ch = '0';
- }
- /* Fall through... */ - case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- do {
- if (len < MAX_SYMBOL_NAME_LEN) {
- if (len > 0 || ch != '0') {
- yylvalpp->symbol_name[len] = ch;
- len++;
- }
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- }
- } while (ch >= '0' && ch <= '9');
- if (ch == '.' || ch == 'e' || ch == 'f' || ch == 'h' || ch == 'x'|| ch == 'E') {
- return lFloatConst(yylvalpp->symbol_name, len, ch, yylvalpp);
- } else {
- yylvalpp->symbol_name[len] = '\0';
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- ival = 0;
- AlreadyComplained = 0;
- for (ii = 0; ii < len; ii++) {
- ch = yylvalpp->symbol_name[ii] - '0';
- if ((ival > 214748364) || (ival == 214748364 && ch >= 8)) {
- if (!AlreadyComplained)
- CPPErrorToInfoLog("ERROR___INTEGER_CONST_OVERFLOW");
- AlreadyComplained = 1;
- }
- ival = ival*10 + ch;
- }
- yylvalpp->sc_int = ival;
- if(ival==0)
- strcpy(yylvalpp->symbol_name,"0");
- return CPP_INTCONSTANT;
- }
- break;
- case '-':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '-') {
- return CPP_DEC_OP;
- } else if (ch == '=') {
- return CPP_SUB_ASSIGN;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '-';
- }
- case '+':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '+') {
- return CPP_INC_OP;
- } else if (ch == '=') {
- return CPP_ADD_ASSIGN;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '+';
- }
- case '*':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '=') {
- return CPP_MUL_ASSIGN;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '*';
- }
- case '%':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '=') {
- return CPP_MOD_ASSIGN;
- } else if (ch == '>'){
- return CPP_RIGHT_BRACE;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '%';
- }
- case ':':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '>') {
- return CPP_RIGHT_BRACKET;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return ':';
- }
- case '^':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '^') {
- return CPP_XOR_OP;
- } else {
- if (ch == '=')
- return CPP_XOR_ASSIGN;
- else{
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '^';
- }
- }
-
- case '=':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '=') {
- return CPP_EQ_OP;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '=';
- }
- case '!':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '=') {
- return CPP_NE_OP;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '!';
- }
- case '|':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '|') {
- return CPP_OR_OP;
- } else {
- if (ch == '=')
- return CPP_OR_ASSIGN;
- else{
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '|';
- }
- }
- case '&':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '&') {
- return CPP_AND_OP;
- } else {
- if (ch == '=')
- return CPP_AND_ASSIGN;
- else{
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '&';
- }
- }
- case '<':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '<') {
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if(ch == '=')
- return CPP_LEFT_ASSIGN;
- else{
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return CPP_LEFT_OP;
- }
- } else {
- if (ch == '=') {
- return CPP_LE_OP;
- } else {
- if (ch == '%')
- return CPP_LEFT_BRACE;
- else if (ch == ':')
- return CPP_LEFT_BRACKET;
- else{
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '<';
- }
- }
- }
- case '>':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '>') {
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if(ch == '=')
- return CPP_RIGHT_ASSIGN;
- else{
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return CPP_RIGHT_OP;
- }
- } else {
- if (ch == '=') {
- return CPP_GE_OP;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '>';
- }
- }
- case '.':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch >= '0' && ch <= '9') {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return lFloatConst(yylvalpp->symbol_name, 0, '.', yylvalpp);
- } else {
- if (ch == '.') {
- return -1; /* Special EOF hack */ - } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '.';
- }
- }
- case '/':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '/') {
- do {
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- } while (ch != '\n' && ch != EOF);
- if (ch == EOF)
- return -1;
- return '\n';
- } else if (ch == '*') {
- int nlcount = 0;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- do {
- while (ch != '*') {
- if (ch == '\n') nlcount++;
- if (ch == EOF) {
- CPPErrorToInfoLog("ERROR___EOF_IN_COMMENT");
- return -1;
- }
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- }
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == EOF) {
- CPPErrorToInfoLog("ERROR___EOF_IN_COMMENT");
- return -1;
- }
- } while (ch != '/');
- if (nlcount) {
- return '\n';
- }
- /* Go try it again... */ - } else if (ch == '=') {
- return CPP_DIV_ASSIGN;
- } else {
- cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp);
- return '/';
- }
- break;
- case '"':
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- while (ch != '"' && ch != '\n' && ch != EOF) {
- if (ch == '\\') {
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- if (ch == '\n' || ch == EOF) {
- break;
- }
- }
- if (len < MAX_STRING_LEN) {
- string_val[len] = ch;
- len++;
- ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp);
- }
- };
- string_val[len] = '\0';
- if (ch == '"') {
- yylvalpp->sc_ident = LookUpAddString(atable, string_val);
- return CPP_STRCONSTANT;
- } else {
- CPPErrorToInfoLog("ERROR___CPP_EOL_IN_STRING");
- return ERROR_SY;
- }
- }
- }
-} /* byte_scan */ -
-int yylex_CPP(char* buf, int maxSize)
-{
- yystypepp yylvalpp;
- int token = '\n';
-
- for(;;) {
-
- char* tokenString = 0;
- token = cpp->currentInput->scan(cpp->currentInput, &yylvalpp);
- if(check_EOF(token))
- return 0;
- if (token == '#' && (cpp->previous_token == '\n'||cpp->previous_token==0)) {
- token = readCPPline(&yylvalpp);
- if(check_EOF(token))
- return 0;
- continue;
- }
- cpp->previous_token = token;
- /* expand macros */ - if (token == CPP_IDENTIFIER && MacroExpand(yylvalpp.sc_ident, &yylvalpp)) {
- cpp->notAVersionToken = 1;
- continue;
- }
-
- if (token == '\n')
- continue;
-
- if (token == CPP_IDENTIFIER) {
- cpp->notAVersionToken = 1;
- tokenString = GetStringOfAtom(atable,yylvalpp.sc_ident);
- } else if (token == CPP_FLOATCONSTANT||token == CPP_INTCONSTANT){
- cpp->notAVersionToken = 1;
- tokenString = yylvalpp.symbol_name;
- } else {
- cpp->notAVersionToken = 1;
- tokenString = GetStringOfAtom(atable,token);
- }
-
- if (tokenString) {
- if ((signed)strlen(tokenString) >= maxSize) {
- cpp->tokensBeforeEOF = 1;
- return maxSize;
- } else if (strlen(tokenString) > 0) {
- strcpy(buf, tokenString);
- cpp->tokensBeforeEOF = 1;
- return (int)strlen(tokenString);
- }
-
- return 0;
- }
- }
-
- return 0;
-} /* yylex */ -
-/*Checks if the token just read is EOF or not. */ -int check_EOF(int token)
-{
- if(token==-1){
- if(cpp->ifdepth >0){
- CPPErrorToInfoLog("#endif missing!! Compilation stopped");
- cpp->CompileError=1;
- }
- return 1;
- }
- return 0;
-}
-
-/*///////////////////////////////////////////////////////////////////////////////////////////// */ -/*///////////////////////////////////// End of scanner.c ////////////////////////////////////// */ -/*///////////////////////////////////////////////////////////////////////////////////////////// */ -
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