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rm deadcode

This commit is contained in:
Terence Parr 2012-06-02 11:44:01 -07:00
parent e1524fe86c
commit 7192cc9a68
1 changed files with 5 additions and 12 deletions
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17
tool/src/org/antlr/v4/semantics/SemanticPipeline.java
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@ -32,10 +32,13 @@ package org.antlr.v4.semantics;
import org.antlr.v4.analysis.LeftRecursiveRuleTransformer; import org.antlr.v4.analysis.LeftRecursiveRuleTransformer;
import org.antlr.v4.parse.ANTLRParser; import org.antlr.v4.parse.ANTLRParser;
import org.antlr.v4.runtime.Token; import org.antlr.v4.runtime.Token;
import org.antlr.v4.tool.*; import org.antlr.v4.tool.ErrorType;
import org.antlr.v4.tool.Grammar;
import org.antlr.v4.tool.Rule;
import org.antlr.v4.tool.ast.GrammarAST; import org.antlr.v4.tool.ast.GrammarAST;
import java.util.*; import java.util.List;
import java.util.Map;
/** Do as much semantic checking as we can and fill in grammar /** Do as much semantic checking as we can and fill in grammar
* with rules, actions, and token definitions. * with rules, actions, and token definitions.
@ -180,16 +183,6 @@ public class SemanticPipeline {
} }
} }
// DEFINE TOKEN TYPES FOR X : 'x' ; RULES
/* done by previous import
Map<String,String> litAliases = Grammar.getStringLiteralAliasesFromLexerRules(g.ast);
if ( litAliases!=null ) {
for (String lit : litAliases.keySet()) {
G.defineTokenAlias(litAliases.get(lit), lit);
}
}
*/
// DEFINE TOKEN TYPES FOR TOKEN REFS LIKE ID, INT // DEFINE TOKEN TYPES FOR TOKEN REFS LIKE ID, INT
for (GrammarAST idAST : tokenIDs) { for (GrammarAST idAST : tokenIDs) {
if (g.getTokenType(idAST.getText()) == Token.INVALID_TYPE) { if (g.getTokenType(idAST.getText()) == Token.INVALID_TYPE) {