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improve debuggability of generated recognizer

This commit is contained in:
ericvergnaud 2014-10-04 11:28:36 +08:00
parent 84fbdc8038
commit 6f35cf231b
1 changed files with 17 additions and 8 deletions
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25
tool/resources/org/antlr/v4/tool/templates/codegen/Java/Java.stg
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@ -266,7 +266,8 @@ public class <parser.name> extends <superClass; null="Parser"> {
public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
switch (ruleIndex) {
<parser.sempredFuncs.values:{f|
case <f.ruleIndex>: return <f.name>_sempred((<f.ctxType>)_localctx, predIndex);}; separator="\n">
case <f.ruleIndex>:
return <f.name>_sempred((<f.ctxType>)_localctx, predIndex);}; separator="\n">
}
return true;
}
@ -323,8 +324,10 @@ dumpActions(recog, argFuncs, actionFuncs, sempredFuncs) ::= <<
@Override
public void action(RuleContext _localctx, int ruleIndex, int actionIndex) {
switch (ruleIndex) {
<recog.actionFuncs.values:{f|
case <f.ruleIndex>: <f.name>_action((<f.ctxType>)_localctx, actionIndex); break;}; separator="\n">
<recog.actionFuncs.values:{f|
case <f.ruleIndex>:
<f.name>_action((<f.ctxType>)_localctx, actionIndex);
break;}; separator="\n">
}
}
<actionFuncs.values; separator="\n">
@ -334,7 +337,8 @@ case <f.ruleIndex>: <f.name>_action((<f.ctxType>)_localctx, actionIndex); break;
public boolean sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
switch (ruleIndex) {
<recog.sempredFuncs.values:{f|
case <f.ruleIndex>: return <f.name>_sempred((<f.ctxType>)_localctx, predIndex);}; separator="\n">
case <f.ruleIndex>:
return <f.name>_sempred((<f.ctxType>)_localctx, predIndex);}; separator="\n">
}
return true;
}
@ -356,7 +360,9 @@ RuleActionFunction(r, actions) ::= <<
private void <r.name>_action(<r.ctxType> _localctx, int actionIndex) {
switch (actionIndex) {
<actions:{index|
case <index>: <actions.(index)> break;}; separator="\n">
case <index>:
<actions.(index)>
break;}; separator="\n">
}
}
>>
@ -368,7 +374,8 @@ RuleSempredFunction(r, actions) ::= <<
private boolean <r.name>_sempred(<r.ctxType> _localctx, int predIndex) {
switch (predIndex) {
<actions:{index|
case <index>: return <actions.(index)>;}; separator="\n">
case <index>:
return <actions.(index)>;}; separator="\n">
}
return true;
}
@ -621,11 +628,13 @@ cases(ttypes) ::= <<
>>
InvokeRule(r, argExprsChunks) ::= <<
setState(<r.stateNumber>); <if(r.labels)><r.labels:{l | <labelref(l)> = }><endif><r.name>(<if(r.ast.options.p)><r.ast.options.p><if(argExprsChunks)>,<endif><endif><argExprsChunks>);
setState(<r.stateNumber>);
<if(r.labels)><r.labels:{l | <labelref(l)> = }><endif><r.name>(<if(r.ast.options.p)><r.ast.options.p><if(argExprsChunks)>,<endif><endif><argExprsChunks>);
>>
MatchToken(m) ::= <<
setState(<m.stateNumber>); <if(m.labels)><m.labels:{l | <labelref(l)> = }><endif>match(<m.name>);
setState(<m.stateNumber>);
<if(m.labels)><m.labels:{l | <labelref(l)> = }><endif>match(<m.name>);
>>
MatchSet(m, expr, capture) ::= "<CommonSetStuff(m, expr, capture, false)>"