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|
%defines
%{
# include <string>
# include "buildparser.h"
# include "build.tab.h"
# include "action.h"
void yyerror( YYLTYPE *locp, BuildParser &bld, char const *msg );
%}
%parse-param { BuildParser &bld }
%lex-param { BuildParser &bld }
%pure-parser
%locations
%debug
%error-verbose
%union {
char *strval;
}
%token <strval> STRING "string literal"
%token <strval> TARGETTYPE "target type"
%token <strval> FUNCTION "function name"
%token <strval> PERFORM "perform name"
%token TOK_ADDSET "+="
%token TOK_DEFAULT "default"
%token TOK_ACTION "action"
%token TOK_CHECK "check"
%token TOK_CLEAN "clean"
%token TOK_RULE "rule"
%token TOK_TARGET "target"
%token TOK_SET "set"
%token TOK_INPUT "input"
%token TOK_FILTER "filter"
%token TOK_PREFIX "prefix"
%token TOK_REQUIRES "requires"
%token TOK_MATCHES "matches"
%token TOK_PERFORM "perform"
%token TOK_PRODUCES "produces"
%token TOK_AGGREGATE "aggregate"
%token TOK_GROUP "group"
%token ',' ':' '=' '(' ')'
%destructor { delete[] $$; } STRING FUNCTION
%%
// General input format
input:
| input rule
| input action
| input target
| input set
;
// Rule interpretation
rule: TOK_RULE STRING ':'
{
bld.addRule( $2 );
}
rulecmds
;
rulecmds: rulecmd
| rulecmds ',' rulecmd
;
rulecmd: TOK_MATCHES func
{
bld.addRuleMatches();
}
| TOK_PRODUCES list
{
bld.addRuleProduces();
}
| TOK_REQUIRES list
{
bld.addRuleRequires();
}
| TOK_INPUT TOK_FILTER func
{
bld.addRuleInputFilter();
}
| TOK_PERFORM perf
{
bld.addRulePerform();
}
| TOK_AGGREGATE func
{
bld.setRuleAggregate();
}
;
// Action interpretation
action: TOK_DEFAULT TOK_ACTION ':'
{
bld.addAction();
}
actioncmds
| STRING TOK_ACTION ':'
{
if( $1[0] == '\0' )
bld.error(
&yylloc,
"You cannot use an empty string as the name of an action."
);
bld.addAction( $1 );
}
actioncmds
;
actioncmds: actioncmd
| actioncmds ',' actioncmd
;
actioncmd: TOK_CHECK list
{
bld.addCommand( Action::actCheck );
}
| TOK_CLEAN list
{
bld.addCommand( Action::actClean );
}
| TOK_CHECK TOK_GROUP STRING
| TOK_CLEAN TOK_GROUP STRING
;
// Target interpretation
target: list ':'
{
bld.newTarget();
}
targetcmds
;
targetcmds: targetcmd
| targetcmds ',' targetcmd
;
targetcmd: TOK_RULE STRING
{
bld.setTargetRule( $2 );
}
| TOK_TARGET TOK_PREFIX STRING
{
bld.setTargetPrefix( $3 );
}
| TOK_TARGET TARGETTYPE
{
bld.setTargetType( $2 );
}
| TOK_INPUT list
{
bld.addTargetInput();
}
| TOK_REQUIRES list
{
bld.addTargetRequires();
}
| TOK_SET targetset
| TOK_GROUP STRING
{
bld.addTargetGroup( $2 );
}
;
targetset: STRING '=' STRING
{
bld.addTargetSet( $1, $3, setSet );
}
| STRING TOK_ADDSET STRING
{
bld.addTargetSet( $1, $3, setAdd );
}
;
// global set
set: TOK_SET setwhat
;
setwhat: STRING '=' STRING
{
bld.addGlobalSet( $1, $3, setSet );
}
| STRING TOK_ADDSET STRING
{
bld.addGlobalSet( $1, $3, setAdd );
}
;
// list goo
list: singlelistitem listfilter
| '['
{
bld.newList();
}
listitems ']' listfilter
;
listfilter:
| TOK_FILTER func
{
bld.filterList();
}
;
listitems: listitem
| listitems ',' listitem
;
listitem: STRING
{
bld.addListString( $1 );
}
| func
{
bld.addListFunc();
}
;
singlelistitem: STRING
{
bld.newList();
bld.addListString( $1 );
}
| func
{
bld.newList();
bld.addListFunc();
}
;
// Function
func: FUNCTION
{
bld.newFunctionCall( $1 );
}
'(' funcparams ')'
;
funcparams:
| STRING { bld.addFunctionParam( $1 ); }
| funcparams ',' STRING { bld.addFunctionParam( $3 ); }
;
// Perform
perf: PERFORM
{
bld.newPerform( $1 );
}
'(' perfparams ')'
;
perfparams:
| STRING
{
bld.addPerformParam( $1 );
}
| perfparams ',' STRING
{
bld.addPerformParam( $3 );
}
;
%%
void yyerror( YYLTYPE *locp, BuildParser &bld, char const *msg )
{
bld.error( locp, msg );
}
|
