diff options
Diffstat (limited to 'Source/cmListFileLexer.c')
| -rw-r--r-- | Source/cmListFileLexer.c | 146 |
1 files changed, 115 insertions, 31 deletions
diff --git a/Source/cmListFileLexer.c b/Source/cmListFileLexer.c index fe74bd2..01f45e1 100644 --- a/Source/cmListFileLexer.c +++ b/Source/cmListFileLexer.c @@ -503,6 +503,7 @@ Modify cmListFileLexer.c: #define ECHO /* Setup the proper yylex declaration. */ +#define YY_EXTRA_TYPE cmListFileLexer* #define YY_DECL int yylex (yyscan_t yyscanner, cmListFileLexer* lexer) /* Disable some warnings. */ @@ -528,6 +529,9 @@ struct cmListFileLexer_s int column; int size; FILE* file; + char* string_buffer; + char* string_position; + int string_left; yyscan_t scanner; }; @@ -535,10 +539,19 @@ static void cmListFileLexerSetToken(cmListFileLexer* lexer, const char* text, int length); static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text, int length); +static int cmListFileLexerInput(cmListFileLexer* lexer, char* buffer, + size_t bufferSize); +static void cmListFileLexerInit(cmListFileLexer* lexer); +static void cmListFileLexerDestroy(cmListFileLexer* lexer); + +/* Replace the lexer input function. */ +#undef YY_INPUT +#define YY_INPUT(buf, result, max_size) \ + { result = cmListFileLexerInput(yyget_extra(yyscanner), buf, max_size); } /*--------------------------------------------------------------------------*/ -#line 541 "cmListFileLexer.c" +#line 555 "cmListFileLexer.c" #define INITIAL 0 #define STRING 1 @@ -630,6 +643,8 @@ extern int yywrap (yyscan_t yyscanner ); #endif #endif + + #ifndef yytext_ptr static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner); #endif @@ -752,10 +767,10 @@ YY_DECL register int yy_act; struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; -#line 83 "cmListFileLexer.in.l" +#line 97 "cmListFileLexer.in.l" -#line 760 "cmListFileLexer.c" +#line 774 "cmListFileLexer.c" if ( yyg->yy_init ) { @@ -853,7 +868,7 @@ do_action: /* This label is used only to access EOF actions. */ case 1: /* rule 1 can match eol */ YY_RULE_SETUP -#line 85 "cmListFileLexer.in.l" +#line 99 "cmListFileLexer.in.l" { lexer->token.type = cmListFileLexer_Token_Newline; cmListFileLexerSetToken(lexer, yytext, yyleng); @@ -863,14 +878,14 @@ YY_RULE_SETUP } case 2: YY_RULE_SETUP -#line 93 "cmListFileLexer.in.l" +#line 107 "cmListFileLexer.in.l" { lexer->column += yyleng; } YY_BREAK case 3: YY_RULE_SETUP -#line 97 "cmListFileLexer.in.l" +#line 111 "cmListFileLexer.in.l" { lexer->token.type = cmListFileLexer_Token_ParenLeft; cmListFileLexerSetToken(lexer, yytext, yyleng); @@ -879,7 +894,7 @@ YY_RULE_SETUP } case 4: YY_RULE_SETUP -#line 104 "cmListFileLexer.in.l" +#line 118 "cmListFileLexer.in.l" { lexer->token.type = cmListFileLexer_Token_ParenRight; cmListFileLexerSetToken(lexer, yytext, yyleng); @@ -888,7 +903,7 @@ YY_RULE_SETUP } case 5: YY_RULE_SETUP -#line 111 "cmListFileLexer.in.l" +#line 125 "cmListFileLexer.in.l" { lexer->token.type = cmListFileLexer_Token_Identifier; cmListFileLexerSetToken(lexer, yytext, yyleng); @@ -897,7 +912,7 @@ YY_RULE_SETUP } case 6: YY_RULE_SETUP -#line 118 "cmListFileLexer.in.l" +#line 132 "cmListFileLexer.in.l" { lexer->token.type = cmListFileLexer_Token_ArgumentUnquoted; cmListFileLexerSetToken(lexer, yytext, yyleng); @@ -906,7 +921,7 @@ YY_RULE_SETUP } case 7: YY_RULE_SETUP -#line 125 "cmListFileLexer.in.l" +#line 139 "cmListFileLexer.in.l" { lexer->token.type = cmListFileLexer_Token_ArgumentQuoted; cmListFileLexerSetToken(lexer, "", 0); @@ -917,7 +932,7 @@ YY_RULE_SETUP case 8: /* rule 8 can match eol */ YY_RULE_SETUP -#line 132 "cmListFileLexer.in.l" +#line 146 "cmListFileLexer.in.l" { cmListFileLexerAppend(lexer, yytext, yyleng); lexer->column += yyleng; @@ -926,7 +941,7 @@ YY_RULE_SETUP case 9: /* rule 9 can match eol */ YY_RULE_SETUP -#line 137 "cmListFileLexer.in.l" +#line 151 "cmListFileLexer.in.l" { cmListFileLexerAppend(lexer, yytext, yyleng); ++lexer->line; @@ -935,7 +950,7 @@ YY_RULE_SETUP YY_BREAK case 10: YY_RULE_SETUP -#line 143 "cmListFileLexer.in.l" +#line 157 "cmListFileLexer.in.l" { lexer->column += yyleng; BEGIN(INITIAL); @@ -943,7 +958,7 @@ YY_RULE_SETUP } case 11: YY_RULE_SETUP -#line 149 "cmListFileLexer.in.l" +#line 163 "cmListFileLexer.in.l" { cmListFileLexerAppend(lexer, yytext, yyleng); lexer->column += yyleng; @@ -951,14 +966,14 @@ YY_RULE_SETUP YY_BREAK case 12: YY_RULE_SETUP -#line 154 "cmListFileLexer.in.l" +#line 168 "cmListFileLexer.in.l" { lexer->column += yyleng; } YY_BREAK case 13: YY_RULE_SETUP -#line 158 "cmListFileLexer.in.l" +#line 172 "cmListFileLexer.in.l" { lexer->token.type = cmListFileLexer_Token_Error; cmListFileLexerSetToken(lexer, yytext, yyleng); @@ -967,7 +982,7 @@ YY_RULE_SETUP } case YY_STATE_EOF(INITIAL): case YY_STATE_EOF(STRING): -#line 165 "cmListFileLexer.in.l" +#line 179 "cmListFileLexer.in.l" { lexer->token.type = cmListFileLexer_Token_None; cmListFileLexerSetToken(lexer, 0, 0); @@ -975,10 +990,10 @@ case YY_STATE_EOF(STRING): } case 14: YY_RULE_SETUP -#line 171 "cmListFileLexer.in.l" +#line 185 "cmListFileLexer.in.l" ECHO; YY_BREAK -#line 991 "cmListFileLexer.c" +#line 1005 "cmListFileLexer.c" case YY_END_OF_BUFFER: { @@ -1300,6 +1315,7 @@ static int yy_get_next_buffer (yyscan_t yyscanner) return yy_is_jam ? 0 : yy_current_state; } + #ifndef YY_NO_INPUT #ifdef __cplusplus static int yyinput (yyscan_t yyscanner) @@ -2031,7 +2047,6 @@ void *yyalloc (yy_size_t size , yyscan_t yyscanner) void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner) { - (void)yyscanner; /* The cast to (char *) in the following accommodates both * implementations that use char* generic pointers, and those * that use void* generic pointers. It works with the latter @@ -2039,6 +2054,7 @@ void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner) * any pointer type to void*, and deal with argument conversions * as though doing an assignment. */ + (void)yyscanner; return (void *) realloc( (char *) ptr, size ); } @@ -2062,7 +2078,7 @@ void yyfree (void * ptr , yyscan_t yyscanner) #undef YY_DECL_IS_OURS #undef YY_DECL #endif -#line 171 "cmListFileLexer.in.l" +#line 185 "cmListFileLexer.in.l" @@ -2132,6 +2148,60 @@ static void cmListFileLexerAppend(cmListFileLexer* lexer, const char* text, } /*--------------------------------------------------------------------------*/ +static int cmListFileLexerInput(cmListFileLexer* lexer, char* buffer, + size_t bufferSize) +{ + if(lexer) + { + if(lexer->file) + { + return (int)fread(buffer, 1, bufferSize, lexer->file); + } + else if(lexer->string_left) + { + int length = lexer->string_left; + if((int)bufferSize < length) { length = (int)bufferSize; } + memcpy(buffer, lexer->string_position, length); + lexer->string_position += length; + lexer->string_left -= length; + return length; + } + } + return 0; +} + +/*--------------------------------------------------------------------------*/ +static void cmListFileLexerInit(cmListFileLexer* lexer) +{ + if(lexer->file || lexer->string_buffer) + { + yylex_init(&lexer->scanner); + yyset_extra(lexer,lexer->scanner); + } +} + +/*--------------------------------------------------------------------------*/ +static void cmListFileLexerDestroy(cmListFileLexer* lexer) +{ + if(lexer->file || lexer->string_buffer) + { + yylex_destroy(lexer->scanner); + if(lexer->file) + { + fclose(lexer->file); + lexer->file = 0; + } + if(lexer->string_buffer) + { + free(lexer->string_buffer); + lexer->string_buffer = 0; + lexer->string_left = 0; + lexer->string_position = 0; + } + } +} + +/*--------------------------------------------------------------------------*/ cmListFileLexer* cmListFileLexer_New() { cmListFileLexer* lexer = (cmListFileLexer*)malloc(sizeof(cmListFileLexer)); @@ -2156,12 +2226,7 @@ void cmListFileLexer_Delete(cmListFileLexer* lexer) int cmListFileLexer_SetFileName(cmListFileLexer* lexer, const char* name) { int result = 1; - if(lexer->file) - { - yylex_destroy(lexer->scanner); - fclose(lexer->file); - lexer->file = 0; - } + cmListFileLexerDestroy(lexer); if(name) { lexer->file = fopen(name, "r"); @@ -2170,11 +2235,31 @@ int cmListFileLexer_SetFileName(cmListFileLexer* lexer, const char* name) result = 0; } } - if(lexer->file) + cmListFileLexerInit(lexer); + return result; +} + +/*--------------------------------------------------------------------------*/ +int cmListFileLexer_SetString(cmListFileLexer* lexer, const char* text) +{ + int result = 1; + cmListFileLexerDestroy(lexer); + if(text) { - yylex_init(&lexer->scanner); - yyset_in(lexer->file,lexer->scanner); + int length = (int)strlen(text); + lexer->string_buffer = (char*)malloc(length+1); + if(lexer->string_buffer) + { + strcpy(lexer->string_buffer, text); + lexer->string_position = lexer->string_buffer; + lexer->string_left = length; + } + else + { + result = 0; + } } + cmListFileLexerInit(lexer); return result; } @@ -2221,4 +2306,3 @@ long cmListFileLexer_GetCurrentColumn(cmListFileLexer* lexer) return 0; } } - |