| %{ |
| /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| file Copyright.txt or https://cmake.org/licensing for details. */ |
| /* |
| |
| This file must be translated to C and modified to build everywhere. |
| |
| Run bison like this: |
| |
| bison --name-prefix=cmCommandArgument_yy --defines=cmCommandArgumentParserTokens.h -ocmCommandArgumentParser.cxx cmCommandArgumentParser.y |
| |
| */ |
| |
| #include "cmConfigure.h" // IWYU pragma: keep |
| |
| #include <string.h> |
| |
| #define yyGetParser (cmCommandArgument_yyget_extra(yyscanner)) |
| |
| /* Make sure malloc and free are available on QNX. */ |
| #ifdef __QNX__ |
| # include <malloc.h> |
| #endif |
| |
| #include <stdint.h> |
| /* Make sure the parser uses standard memory allocation. The default |
| generated parser malloc/free declarations do not work on all |
| platforms. */ |
| #include <stdlib.h> |
| #define YYMALLOC malloc |
| #define YYFREE free |
| |
| /*-------------------------------------------------------------------------*/ |
| #include "cmCommandArgumentParserHelper.h" /* Interface to parser object. */ |
| #include "cmCommandArgumentLexer.h" /* Interface to lexer object. */ |
| |
| /* Forward declare the lexer entry point. */ |
| YY_DECL; |
| |
| /* Helper function to forward error callback from parser. */ |
| static void cmCommandArgument_yyerror(yyscan_t yyscanner, const char* message); |
| |
| /* Configure the parser to support large input. */ |
| #define YYMAXDEPTH 100000 |
| #define YYINITDEPTH 10000 |
| |
| /* Disable some warnings in the generated code. */ |
| #ifdef _MSC_VER |
| # pragma warning (disable: 4102) /* Unused goto label. */ |
| # pragma warning (disable: 4065) /* Switch statement contains default but no |
| case. */ |
| # pragma warning (disable: 4244) /* loss of precision */ |
| # pragma warning (disable: 4702) /* unreachable code */ |
| #endif |
| #if defined(__GNUC__) && __GNUC__ >= 8 |
| # pragma GCC diagnostic ignored "-Wconversion" |
| # pragma GCC diagnostic ignored "-Wfree-nonheap-object" |
| #endif |
| #if defined(__clang__) && defined(__has_warning) |
| # if __has_warning("-Wunused-but-set-variable") |
| # pragma clang diagnostic ignored "-Wunused-but-set-variable" |
| # endif |
| #endif |
| %} |
| |
| /* Generate a reentrant parser object. */ |
| %define api.pure |
| |
| /* Configure the parser to use a lexer object. */ |
| %lex-param {yyscan_t yyscanner} |
| %parse-param {yyscan_t yyscanner} |
| |
| %define parse.error verbose |
| |
| /* |
| %union { |
| char* string; |
| } |
| */ |
| |
| /*-------------------------------------------------------------------------*/ |
| /* Tokens */ |
| %token cal_ENVCURLY |
| %token cal_NCURLY |
| %token cal_DCURLY |
| %token cal_DOLLAR "$" |
| %token cal_LCURLY "{" |
| %token cal_RCURLY "}" |
| %token cal_NAME |
| %token cal_BSLASH "\\" |
| %token cal_SYMBOL |
| %token cal_AT "@" |
| %token cal_ERROR |
| %token cal_ATNAME |
| |
| /*-------------------------------------------------------------------------*/ |
| /* grammar */ |
| %% |
| |
| |
| Start: |
| GoalWithOptionalBackSlash { |
| $<str>$ = 0; |
| yyGetParser->SetResult($<str>1); |
| } |
| |
| GoalWithOptionalBackSlash: |
| Goal { |
| $<str>$ = $<str>1; |
| } |
| | Goal cal_BSLASH { |
| $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2); |
| } |
| |
| Goal: |
| { |
| $<str>$ = 0; |
| } |
| | String Goal { |
| $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2); |
| } |
| |
| String: |
| OuterText { |
| $<str>$ = $<str>1; |
| } |
| | Variable { |
| $<str>$ = $<str>1; |
| } |
| |
| OuterText: |
| cal_NAME { |
| $<str>$ = $<str>1; |
| } |
| | cal_AT { |
| $<str>$ = $<str>1; |
| } |
| | cal_DOLLAR { |
| $<str>$ = $<str>1; |
| } |
| | cal_LCURLY { |
| $<str>$ = $<str>1; |
| } |
| | cal_RCURLY { |
| $<str>$ = $<str>1; |
| } |
| | cal_SYMBOL { |
| $<str>$ = $<str>1; |
| } |
| |
| Variable: |
| cal_ENVCURLY EnvVarName cal_RCURLY { |
| $<str>$ = yyGetParser->ExpandSpecialVariable($<str>1, $<str>2); |
| } |
| | cal_NCURLY MultipleIds cal_RCURLY { |
| $<str>$ = yyGetParser->ExpandSpecialVariable($<str>1, $<str>2); |
| } |
| | cal_DCURLY MultipleIds cal_RCURLY { |
| $<str>$ = yyGetParser->ExpandVariable($<str>2); |
| } |
| | cal_ATNAME { |
| $<str>$ = yyGetParser->ExpandVariableForAt($<str>1); |
| } |
| |
| EnvVarName: |
| MultipleIds { |
| $<str>$ = $<str>1; |
| } |
| | cal_SYMBOL EnvVarName { |
| $<str>$ = $<str>1; |
| } |
| |
| MultipleIds: |
| { |
| $<str>$ = 0; |
| } |
| | ID MultipleIds { |
| $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2); |
| } |
| |
| ID: |
| cal_NAME { |
| $<str>$ = $<str>1; |
| } |
| | Variable { |
| $<str>$ = $<str>1; |
| } |
| ; |
| |
| %% |
| /* End of grammar */ |
| |
| /*--------------------------------------------------------------------------*/ |
| void cmCommandArgument_yyerror(yyscan_t yyscanner, const char* message) |
| { |
| yyGetParser->Error(message); |
| } |