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added -trace to TestRig. fixed code gen issue for trace listener

This commit is contained in:
Terence Parr 2012-01-30 16:51:55 -08:00
parent e90b322dd4
commit 1cc7ac3410
2 changed files with 16 additions and 4 deletions
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16
runtime/Java/src/org/antlr/v4/runtime/misc/TestRig.java
View File

@ -41,7 +41,11 @@ import java.lang.reflect.Method;
/** Run a lexer/parser combo, optionally printing tree string or generating
* postscript file. Optionally taking input file.
*
* $ java org.antlr.v4.runtime.misc.TestRig GrammarName startRuleName [-print] [-tokens] [-gui] [-ps file.ps] [input-filename]
* $ java org.antlr.v4.runtime.misc.TestRig GrammarName startRuleName
* [-print]
* [-tokens] [-gui] [-ps file.ps]
* [-trace]
* [input-filename]
*/
public class TestRig {
public static void main(String[] args) throws Exception {
@ -52,9 +56,12 @@ public class TestRig {
boolean gui = false;
String psFile = null;
boolean showTokens = false;
boolean trace = false;
String encoding = null;
if ( args.length < 2 ) {
System.err.println("java org.antlr.v4.runtime.misc.TestRig GrammarName startRuleName [-print] [-tokens] [-gui] [-encoding encodingname] [-ps file.ps] [input-filename]");
System.err.println("java org.antlr.v4.runtime.misc.TestRig GrammarName startRuleName" +
" [-print] [-tokens] [-gui] [-encoding encodingname]" +
" [-ps file.ps] [-trace] [input-filename]");
return;
}
int i=0;
@ -78,6 +85,9 @@ public class TestRig {
if ( arg.equals("-tokens") ) {
showTokens = true;
}
else if ( arg.equals("-trace") ) {
trace = true;
}
else if ( arg.equals("-encoding") ) {
if ( i>=args.length ) {
System.err.println("missing encoding on -encoding");
@ -143,6 +153,8 @@ public class TestRig {
parser.setBuildParseTree(true);
}
parser.setTrace(trace);
Method startRule = parserClass.getMethod(startRuleName, (Class[])null);
ParserRuleContext<Token> tree = (ParserRuleContext<Token>)startRule.invoke(parser, (Object[])null);

4
tool/resources/org/antlr/v4/tool/templates/codegen/Java/Java.stg
View File

@ -538,7 +538,7 @@ public static class <s.label>Context extends <currentRule.name>Context {
VisitorDispatchMethod(method) ::= <<
@Override
public void <if(method.isEnter)>enter<else>exit<endif>Rule(ParseTreeListener\<<InputSymbolType()>\> listener) {
if ( listener!=null ) ((<parser.grammarName>Listener)listener).<if(method.isEnter)>enter<else>exit<endif>Rule(this);
if ( listener!=null && listener instanceof <parser.grammarName>Listener ) ((<parser.grammarName>Listener)listener).<if(method.isEnter)>enter<else>exit<endif>Rule(this);
}
>>
@ -547,7 +547,7 @@ AttributeDecl(d) ::= "<d.decl>"
/** If we don't know location of label def x, use this template */
labelref(x) ::= "<if(!x.isLocal)>_localctx.<endif><x.name>"
// used for left-recursive rules
// used for left-recursive rules
recRuleDefArg() ::= "int _p"
recRuleArg() ::= "$_p"
recRuleAltPredicate(ruleName,opPrec) ::= "<opPrec> >= <recRuleArg()>"