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remove useless code

This commit is contained in:
Terence Parr 2012-08-05 09:34:20 -07:00
parent 8637f31837
commit 717af9c371
1 changed files with 2 additions and 4 deletions
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6
tool/src/org/antlr/v4/parse/BlockSetTransformer.g
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@ -23,7 +23,6 @@ import org.antlr.v4.runtime.misc.IntervalSet;
@members {
public String currentRuleName;
public GrammarAST currentAlt;
public Set<String> rewriteElems = new HashSet<String>();
public Grammar g;
public BlockSetTransformer(TreeNodeStream input, Grammar g) {
this(input, new RecognizerSharedState());
@ -40,7 +39,7 @@ topdown
setAlt
: {inContext("RULE BLOCK")}?
ALT {currentAlt = $start; rewriteElems.clear();}
ALT {currentAlt = $start;}
;
// (BLOCK (ALT (+ (BLOCK (ALT INT) (ALT ID)))))
@ -74,8 +73,7 @@ setElement[boolean inLexer]
@after {
GrammarTransformPipeline.setGrammarPtr(g, $tree);
}
: {!rewriteElems.contains($start.getText())}?
( a=STRING_LITERAL {!inLexer || CharSupport.getCharValueFromGrammarCharLiteral($a.getText())!=-1}?
: ( a=STRING_LITERAL {!inLexer || CharSupport.getCharValueFromGrammarCharLiteral($a.getText())!=-1}?
| {!inLexer}?=> TOKEN_REF
| {inLexer}?=> ^(RANGE a=STRING_LITERAL b=STRING_LITERAL)
{CharSupport.getCharValueFromGrammarCharLiteral($a.getText())!=-1 &&