diff options
Diffstat (limited to 'src/3rdparty/angle/src/compiler/preprocessor/scanner.c')
-rw-r--r-- | src/3rdparty/angle/src/compiler/preprocessor/scanner.c | 698 |
1 files changed, 698 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/preprocessor/scanner.c b/src/3rdparty/angle/src/compiler/preprocessor/scanner.c new file mode 100644 index 0000000000..fde853c1e0 --- /dev/null +++ b/src/3rdparty/angle/src/compiler/preprocessor/scanner.c @@ -0,0 +1,698 @@ +/****************************************************************************\ +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 <assert.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#if 0 + #include <ieeefp.h> +#else + #define isinff(x) (((*(int *)&(x) & 0x7f800000L)==0x7f800000L) && \ + ((*(int *)&(x) & 0x007fffffL)==0000000000L)) +#endif + +#include "compiler/preprocessor/slglobals.h" +#include "compiler/util.h" + +typedef struct StringInputSrc { + InputSrc base; + char *p; +} StringInputSrc; + +static int ScanFromString(const char *s); + +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, 0, 0 }; + +static int byte_scan(InputSrc *, yystypepp * yylvalpp); + +#define EOL_SY '\n' + +#if defined(_MSC_VER) + #define DBG_BREAKPOINT() __asm int 3 +#elif defined(_M_AMD64) + #define DBG_BREAKPOINT() assert(!"Dbg_Breakpoint"); +#else + #define DBG_BREAKPOINT() +#endif + +#if defined(_MSC_VER) && !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->pastFirstStatement = 0; + + return 1; +} // InitScanner + +int FreeScanner(void) +{ + return (FreeCPP()); +} + +int InitScannerInput(CPPStruct *cpp, int count, const char* const string[], const int length[]) +{ + cpp->PaWhichStr = 0; + cpp->PaArgv = string; + cpp->PaArgc = count; + cpp->PaStrLen = length; + ScanFromString(string[0]); + return 0; +} + +/* + * 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(const char *s) +{ + + StringInputSrc *in = malloc(sizeof(StringInputSrc)); + memset(in, 0, sizeof(StringInputSrc)); + in->p = (char*) 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: ///////////////////////////////// +/////////////////////////////////////////////////////////////////////////////////////////////// + +#define APPEND_CHAR_S(ch, str, len, max_len) \ + if (len < max_len) { \ + str[len++] = ch; \ + } else if (!alreadyComplained) { \ + CPPErrorToInfoLog("BUFFER OVERFLOW"); \ + alreadyComplained = 1; \ + } + +/* + * 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'. + * ch - '.' or 'e' + * len - length of string already copied into yylvalpp->symbol_name. + */ + +static int lFloatConst(int ch, int len, yystypepp * yylvalpp) +{ + int alreadyComplained = 0; + assert((ch == '.') || (ch == 'e') || (ch == 'E')); + + if (ch == '.') { + do { + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + } while (ch >= '0' && ch <= '9'); + } + + // Exponent: + if (ch == 'e' || ch == 'E') { + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + if (ch == '+') { + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + } else if (ch == '-') { + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + } + if (ch >= '0' && ch <= '9') { + while (ch >= '0' && ch <= '9') { + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + } + } else { + CPPErrorToInfoLog("EXPONENT INVALID"); + } + } + cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp); + + assert(len <= MAX_SYMBOL_NAME_LEN); + yylvalpp->symbol_name[len] = '\0'; + yylvalpp->sc_fval = (float) atof_dot(yylvalpp->symbol_name); + if (isinff(yylvalpp->sc_fval)) { + CPPErrorToInfoLog("FLOAT CONSTANT OVERFLOW"); + } + return CPP_FLOATCONSTANT; +} // lFloatConst + +/////////////////////////////////////////////////////////////////////////////////////////////// +///////////////////////////////////////// Normal Scanner ////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////////////////////// + +static int byte_scan(InputSrc *in, yystypepp * yylvalpp) +{ + char string_val[MAX_STRING_LEN + 1]; + int alreadyComplained = 0; + 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; + alreadyComplained = 0; + 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 { + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + } while ((ch >= 'a' && ch <= 'z') || + (ch >= 'A' && ch <= 'Z') || + (ch >= '0' && ch <= '9') || + ch == '_'); + assert(len <= MAX_SYMBOL_NAME_LEN); + yylvalpp->symbol_name[len] = '\0'; + cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp); + yylvalpp->sc_ident = LookUpAddString(atable, yylvalpp->symbol_name); + return CPP_IDENTIFIER; + break; + case '0': + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + if (ch == 'x' || ch == 'X') { // hexadecimal integer constants + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + if ((ch >= '0' && ch <= '9') || + (ch >= 'A' && ch <= 'F') || + (ch >= 'a' && ch <= 'f')) + { + ival = 0; + do { + if ((ival <= 0x0fffffff) && (len < MAX_SYMBOL_NAME_LEN)) { + yylvalpp->symbol_name[len++] = ch; + 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("HEX CONSTANT 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("HEX CONSTANT INVALID"); + } + assert(len <= MAX_SYMBOL_NAME_LEN); + 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 + ival = 0; + do { + if ((ival <= 0x1fffffff) && (len < MAX_SYMBOL_NAME_LEN)) { + yylvalpp->symbol_name[len++] = ch; + ii = ch - '0'; + ival = (ival << 3) | ii; + } else if (!alreadyComplained) { + CPPErrorToInfoLog("OCT CONSTANT 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(ch, len, yylvalpp); + assert(len <= MAX_SYMBOL_NAME_LEN); + 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 { + APPEND_CHAR_S(ch, yylvalpp->symbol_name, len, MAX_SYMBOL_NAME_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + } while (ch >= '0' && ch <= '9'); + if (ch == '.' || ch == 'e' || ch == 'E') { + return lFloatConst(ch, len, yylvalpp); + } else { + assert(len <= MAX_SYMBOL_NAME_LEN); + yylvalpp->symbol_name[len] = '\0'; + cpp->currentInput->ungetch(cpp->currentInput, ch, yylvalpp); + ival = 0; + for (ii = 0; ii < len; ii++) { + ch = yylvalpp->symbol_name[ii] - '0'; + ival = ival*10 + ch; + if ((ival > 214748364) || (ival == 214748364 && ch >= 8)) { + CPPErrorToInfoLog("INTEGER CONSTANT OVERFLOW"); + break; + } + } + 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('.', 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 == '*') { + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + do { + while (ch != '*') { + if (ch == EOF) { + CPPErrorToInfoLog("EOF IN COMMENT"); + return -1; + } + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + } + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + if (ch == EOF) { + CPPErrorToInfoLog("EOF IN COMMENT"); + return -1; + } + } while (ch != '/'); + // 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 == '\\') { + CPPErrorToInfoLog("The line continuation character (\\) is not part of the OpenGL ES Shading Language"); + return -1; + } + APPEND_CHAR_S(ch, string_val, len, MAX_STRING_LEN); + ch = cpp->currentInput->getch(cpp->currentInput, yylvalpp); + }; + assert(len <= MAX_STRING_LEN); + string_val[len] = '\0'; + if (ch == '"') { + yylvalpp->sc_ident = LookUpAddString(atable, string_val); + return CPP_STRCONSTANT; + } else { + CPPErrorToInfoLog("EOL IN STRING"); + return ERROR_SY; + } + break; + } + } +} // 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 < 0) { + // This check may need to be improved to support UTF-8 + // characters in comments. + CPPErrorToInfoLog("preprocessor encountered non-ASCII character in shader source"); + return 0; + } + if (token == '#') { + if (cpp->previous_token == '\n'|| cpp->previous_token == 0) { + token = readCPPline(&yylvalpp); + if(check_EOF(token)) + return 0; + continue; + } else { + CPPErrorToInfoLog("preprocessor command must not be preceded by any other statement in that line"); + return 0; + } + } + cpp->previous_token = token; + // expand macros + if (token == CPP_IDENTIFIER && MacroExpand(yylvalpp.sc_ident, &yylvalpp)) { + cpp->pastFirstStatement = 1; + continue; + } + + if (token == '\n') + continue; + cpp->pastFirstStatement = 1; + + if (token == CPP_IDENTIFIER) { + tokenString = GetStringOfAtom(atable,yylvalpp.sc_ident); + } else if (token == CPP_FLOATCONSTANT || token == CPP_INTCONSTANT){ + tokenString = yylvalpp.symbol_name; + } else { + tokenString = GetStringOfAtom(atable,token); + } + + if (tokenString) { + int len = strlen(tokenString); + cpp->tokensBeforeEOF = 1; + if (len >= maxSize) { + return maxSize; + } else if (len > 0) { + strcpy(buf, tokenString); + return len; + } + + 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 ////////////////////////////////////// +/////////////////////////////////////////////////////////////////////////////////////////////// + |