diff options
Diffstat (limited to 'Source/cmCommandArgumentParser.y')
| -rw-r--r-- | Source/cmCommandArgumentParser.y | 209 |
1 files changed, 85 insertions, 124 deletions
diff --git a/Source/cmCommandArgumentParser.y b/Source/cmCommandArgumentParser.y index b2f4b1b..d71b605 100644 --- a/Source/cmCommandArgumentParser.y +++ b/Source/cmCommandArgumentParser.y @@ -10,20 +10,14 @@ Run bison like this: bison --yacc --name-prefix=cmCommandArgument_yy --defines=cmCommandArgumentParserTokens.h -ocmCommandArgumentParser.cxx cmCommandArgumentParser.y Modify cmCommandArgumentParser.cxx: - - remove TABs - - remove use of the 'register' storage class specifier - - put header block at top of file + - "#if 0" out yyerrorlab block in range ["goto yyerrlab1", "yyerrlab1:"] */ -#include "cmStandardIncludes.h" +#include <cmConfigure.h> // IWYU pragma: keep + +#include <string.h> -/* Configure the parser to use a lexer object. */ -#define YYPARSE_PARAM yyscanner -#define YYLEX_PARAM yyscanner -#define YYERROR_VERBOSE 1 -#define cmCommandArgument_yyerror(x) \ - cmCommandArgumentError(yyscanner, x) #define yyGetParser (cmCommandArgument_yyget_extra(yyscanner)) /* Make sure malloc and free are available on QNX. */ @@ -46,10 +40,9 @@ Modify cmCommandArgumentParser.cxx: /* Forward declare the lexer entry point. */ YY_DECL; -/* Internal utility functions. */ -static void cmCommandArgumentError(yyscan_t yyscanner, const char* message); +/* Helper function to forward error callback from parser. */ +static void cmCommandArgument_yyerror(yyscan_t yyscanner, const char* message); -#define YYDEBUG 1 /* Configure the parser to support large input. */ #define YYMAXDEPTH 100000 #define YYINITDEPTH 10000 @@ -65,7 +58,13 @@ static void cmCommandArgumentError(yyscan_t yyscanner, const char* message); %} /* Generate a reentrant parser object. */ -%pure_parser +%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 { @@ -94,137 +93,99 @@ static void cmCommandArgumentError(yyscan_t yyscanner, const char* message); Start: -GoalWithOptionalBackSlash -{ - $<str>$ = 0; - yyGetParser->SetResult($<str>1); -} + GoalWithOptionalBackSlash { + $<str>$ = 0; + yyGetParser->SetResult($<str>1); + } GoalWithOptionalBackSlash: -Goal -{ - $<str>$ = $<str>1; -} -| -Goal cal_BSLASH -{ - $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2); -} + 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); -} + { + $<str>$ = 0; + } +| String Goal { + $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2); + } String: -OuterText -{ - $<str>$ = $<str>1; -} -| -Variable -{ - $<str>$ = $<str>1; -} + 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; -} + 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); - //std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl; -} -| -cal_NCURLY MultipleIds cal_RCURLY -{ - $<str>$ = yyGetParser->ExpandSpecialVariable($<str>1,$<str>2); - //std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl; -} -| -cal_DCURLY MultipleIds cal_RCURLY -{ - $<str>$ = yyGetParser->ExpandVariable($<str>2); - //std::cerr << __LINE__ << " here: [" << $<str>1 << "] [" << $<str>2 << "] [" << $<str>3 << "]" << std::endl; -} -| -cal_ATNAME -{ - $<str>$ = yyGetParser->ExpandVariableForAt($<str>1); -} + 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 { + $<str>$ = $<str>1; + } +| cal_SYMBOL EnvVarName { + $<str>$ = $<str>1; + } MultipleIds: -{ - $<str>$ = 0; -} -| -ID MultipleIds -{ - $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2); -} + { + $<str>$ = 0; + } +| ID MultipleIds { + $<str>$ = yyGetParser->CombineUnions($<str>1, $<str>2); + } ID: -cal_NAME -{ - $<str>$ = $<str>1; -} -| -Variable -{ - $<str>$ = $<str>1; -} - + cal_NAME { + $<str>$ = $<str>1; + } +| Variable { + $<str>$ = $<str>1; + } +; %% /* End of grammar */ /*--------------------------------------------------------------------------*/ -void cmCommandArgumentError(yyscan_t yyscanner, const char* message) +void cmCommandArgument_yyerror(yyscan_t yyscanner, const char* message) { yyGetParser->Error(message); } |