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grammar TestActionFeatures;
options {
language=CSharp3;
TokenLabelType=CommonToken;
output=AST;
ASTLabelType=CommonTree;
}
@lexer::namespace{Antlr3.Runtime.Test}
@parser::namespace{Antlr3.Runtime.Test}
@parser::header{using Console = System.Console;}
/*
* Parser Rules
*/
public
compileUnit
: EOF
;
// SET_DYNAMIC_SCOPE_ATTR
setDynamicScopeAttr
scope {int i;}
: EOF {$setDynamicScopeAttr::i=3; $setDynamicScopeAttr[0]::i=3; $setDynamicScopeAttr[-0]::i=3;}
;
// DYNAMIC_SCOPE_ATTR
dynamicScopeAttr
scope {int i;}
: EOF {Console.WriteLine($dynamicScopeAttr::i);}
;
// DYNAMIC_NEGATIVE_INDEXED_SCOPE_ATTR
dynamicNegativeIndexedScopeAttr
scope {int i;}
: EOF {Console.WriteLine($dynamicNegativeIndexedScopeAttr[-1]::i);}
;
// DYNAMIC_ABSOLUTE_INDEXED_SCOPE_ATTR
dynamicAbsoluteIndexedScopeAttr
scope {int i;}
: EOF {Console.WriteLine($dynamicNegativeIndexedScopeAttr[0]::i);}
;
// ISOLATED_DYNAMIC_SCOPE
isolatedDynamicScope
scope {int i;}
: EOF {Console.WriteLine($isolatedDynamicScope.Count);}
;
/*
* Lexer Rules
*/
WS
: ' '
;
|
