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|
%{
/* 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 --yacc --name-prefix=cmCommandArgument_yy --defines=cmCommandArgumentParserTokens.h -ocmCommandArgumentParser.cxx cmCommandArgumentParser.y
Modify cmCommandArgumentParser.cxx:
- "#if 0" out yyerrorlab block in range ["goto yyerrlab1", "yyerrlab1:"]
*/
#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
/* 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. */
#include "cmCommandArgumentParserTokens.h" /* Need YYSTYPE for YY_DECL. */
/* 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
%}
/* 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);
}
|
