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Rerun semantic checks on rule produced by LR transform

This commit is contained in:
Sam Harwell 2012-12-05 14:10:36 -06:00
parent 97f23097d0
commit 0f69799b08
1 changed files with 8 additions and 0 deletions
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8
tool/src/org/antlr/v4/analysis/LeftRecursiveRuleTransformer.java
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@ -43,6 +43,8 @@ import org.antlr.v4.parse.GrammarASTAdaptor;
import org.antlr.v4.parse.ScopeParser;
import org.antlr.v4.parse.ToolANTLRParser;
import org.antlr.v4.runtime.misc.Pair;
import org.antlr.v4.semantics.BasicSemanticChecks;
import org.antlr.v4.semantics.RuleCollector;
import org.antlr.v4.tool.AttributeDict;
import org.antlr.v4.tool.ErrorType;
import org.antlr.v4.tool.Grammar;
@ -141,6 +143,12 @@ public class LeftRecursiveRuleTransformer {
transform.reduceBlocksToSets(r.ast);
transform.expandParameterizedLoops(r.ast);
// Rerun semantic checks on the new rule
RuleCollector ruleCollector = new RuleCollector(g);
ruleCollector.visit(t, "rule");
BasicSemanticChecks basics = new BasicSemanticChecks(g, ruleCollector);
basics.visit(t, "rule");
// track recursive alt info for codegen
r.recPrimaryAlts = new ArrayList<LeftRecursiveRuleAltInfo>();
r.recPrimaryAlts.addAll(leftRecursiveRuleWalker.prefixAlts);