jFuzzyLogic/org/antlr/codegen/templates/CSharp2/Dbg.stg
2014-12-19 08:30:46 -05:00

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/*
[The "BSD licence"]
Copyright (c) 2007-2008 Johannes Luber
Copyright (c) 2005-2007 Kunle Odutola
Copyright (c) 2005 Terence Parr
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** Template overrides to add debugging to normal Java output;
* If ASTs are built, then you'll also get ASTDbg.stg loaded.
*/
group Dbg;
@outputFile.imports() ::= <<
<@super.imports()>
using Antlr.Runtime.Debug;
using IOException = System.IO.IOException;
>>
@genericParser.members() ::= <<
<if(grammar.grammarIsRoot)>
public static readonly string[] ruleNames = new string[] {
"invalidRule", <grammar.allImportedRules:{rST | "<rST.name>"}; wrap="\n ", separator=", ">
};<\n>
<endif>
<if(grammar.grammarIsRoot)> <! grammar imports other grammar(s) !>
private int ruleLevel = 0;
public int RuleLevel {
get { return ruleLevel; }
}
public void IncRuleLevel() { ruleLevel++; }
public void DecRuleLevel() { ruleLevel--; }
<if(profile)>
<ctorForProfilingRootGrammar()>
<else>
<ctorForRootGrammar()>
<endif>
<ctorForPredefinedListener()>
<else> <! imported grammar !>
public int RuleLevel {
get { return <grammar.delegators:{g| <g:delegateName()>}>.RuleLevel; }
}
public void IncRuleLevel() { <grammar.delegators:{g| <g:delegateName()>}>.IncRuleLevel(); }
public void DecRuleLevel() { <grammar.delegators:{g| <g:delegateName()>}>.DecRuleLevel(); }
<ctorForDelegateGrammar()>
<endif>
<if(profile)>
override public bool AlreadyParsedRule(IIntStream input, int ruleIndex)
{
((Profiler)dbg).ExamineRuleMemoization(input, ruleIndex, <grammar.composite.rootGrammar.recognizerName>.ruleNames[ruleIndex]);
return base.AlreadyParsedRule(input, ruleIndex);
}<\n>
override public void Memoize(IIntStream input,
int ruleIndex,
int ruleStartIndex)
{
((Profiler)dbg).Memoize(input, ruleIndex, ruleStartIndex, <grammar.composite.rootGrammar.recognizerName>.ruleNames[ruleIndex]);
base.Memoize(input, ruleIndex, ruleStartIndex);
}<\n>
<endif>
protected bool EvalPredicate(bool result, string predicate)
{
dbg.SemanticPredicate(result, predicate);
return result;
}<\n>
>>
ctorForRootGrammar() ::= <<
<! bug: can't use <@super.members()> cut-n-paste instead !>
<! Same except we add port number and profile stuff if root grammar !>
public <name>(<inputStreamType> input)
: this(input, DebugEventSocketProxy.DEFAULT_DEBUGGER_PORT, new RecognizerSharedState()) {
}
public <name>(<inputStreamType> input, int port, RecognizerSharedState state)
: base(input, state) {
<parserCtorBody()>
<createListenerAndHandshake()>
<grammar.directDelegates:{g|<g:delegateName()> = new <g.recognizerName>(input, dbg, this.state, this<grammar.delegators:{g|, <g:delegateName()>}>);}; separator="\n">
<@finally()>
}<\n>
>>
ctorForProfilingRootGrammar() ::= <<
<! bug: can't use <@super.members()> cut-n-paste instead !>
public <name>(<inputStreamType> input) {
this(input, new Profiler(null), new RecognizerSharedState());
}
public <name>(<inputStreamType> input, IDebugEventListener dbg, RecognizerSharedState state)
: base(input, dbg, state) {
Profiler p = (Profiler)dbg;
p.setParser(this);
<parserCtorBody()>
<grammar.directDelegates:
{g|<g:delegateName()> = new <g.recognizerName>(input, dbg, this.state, this<grammar.delegators:{g|, <g:delegateName()>}>);}; separator="\n">
<@finally()>
}
<\n>
>>
/** Basically we don't want to set any dbg listeners are root will have it. */
ctorForDelegateGrammar() ::= <<
public <name>(<inputStreamType> input, IDebugEventListener dbg, RecognizerSharedState state<grammar.delegators:{g|, <g.recognizerName> <g:delegateName()>}>)
: base(input, dbg, state) {
<parserCtorBody()>
<grammar.directDelegates:
{g|<g:delegateName()> = new <g.recognizerName>(input, this, this.state<grammar.delegators:{g|, <g:delegateName()>}>);}; separator="\n">
}<\n>
>>
ctorForPredefinedListener() ::= <<
public <name>(<inputStreamType> input, IDebugEventListener dbg)
: <@superClassRef>base(input, dbg, new RecognizerSharedState())<@end> {
<if(profile)>
Profiler p = (Profiler)dbg;
p.setParser(this);
<endif>
<parserCtorBody()>
<grammar.directDelegates:{g|<g:delegateName()> = new <g.recognizerName>(input, dbg, this.state, this<grammar.delegators:{g|, <g:delegateName()>}>);}; separator="\n">
<@finally()>
}<\n>
>>
createListenerAndHandshake() ::= <<
<if(TREE_PARSER)>
DebugEventSocketProxy proxy = new DebugEventSocketProxy(this, port, input.TreeAdaptor);
<else>
DebugEventSocketProxy proxy = new DebugEventSocketProxy(this, port, null);
<endif>
DebugListener = proxy;
try
{
proxy.Handshake();
}
catch (IOException ioe)
{
ReportError(ioe);
}
>>
@genericParser.superClassName() ::= "Debug<@super.superClassName()>"
@rule.preamble() ::= <<
try {
dbg.EnterRule(GrammarFileName, "<ruleName>");
if ( RuleLevel==0 ) {dbg.Commence();}
IncRuleLevel();
dbg.Location(<ruleDescriptor.tree.line>, <ruleDescriptor.tree.column>);<\n>
>>
@lexer.debugAddition() ::= ", dbg"
@rule.postamble() ::= <<
dbg.Location(<ruleDescriptor.EORNode.line>, <ruleDescriptor.EORNode.column>);<\n>
}
finally {
dbg.ExitRule(GrammarFileName, "<ruleName>");
DecRuleLevel();
if ( RuleLevel==0 ) {dbg.Terminate();}
}<\n>
>>
@synpred.start() ::= "dbg.BeginBacktrack(state.backtracking);"
@synpred.stop() ::= "dbg.EndBacktrack(state.backtracking, success);"
// Common debug event triggers used by region overrides below
enterSubRule() ::=
"try { dbg.EnterSubRule(<decisionNumber>);<\n>"
exitSubRule() ::=
"} finally { dbg.ExitSubRule(<decisionNumber>); }<\n>"
enterDecision() ::=
"try { dbg.EnterDecision(<decisionNumber>);<\n>"
exitDecision() ::=
"} finally { dbg.ExitDecision(<decisionNumber>); }<\n>"
enterAlt(n) ::= "dbg.EnterAlt(<n>);<\n>"
// Region overrides that tell various constructs to add debugging triggers
@block.predecision() ::= "<enterSubRule()><enterDecision()>"
@block.postdecision() ::= "<exitDecision()>"
@block.postbranch() ::= "<exitSubRule()>"
@ruleBlock.predecision() ::= "<enterDecision()>"
@ruleBlock.postdecision() ::= "<exitDecision()>"
@ruleBlockSingleAlt.prealt() ::= "<enterAlt(n=\"1\")>"
@blockSingleAlt.prealt() ::= "<enterAlt(n=\"1\")>"
@positiveClosureBlock.preloop() ::= "<enterSubRule()>"
@positiveClosureBlock.postloop() ::= "<exitSubRule()>"
@positiveClosureBlock.predecision() ::= "<enterDecision()>"
@positiveClosureBlock.postdecision() ::= "<exitDecision()>"
@positiveClosureBlock.earlyExitException() ::=
"dbg.RecognitionException(eee);<\n>"
@closureBlock.preloop() ::= "<enterSubRule()>"
@closureBlock.postloop() ::= "<exitSubRule()>"
@closureBlock.predecision() ::= "<enterDecision()>"
@closureBlock.postdecision() ::= "<exitDecision()>"
@altSwitchCase.prealt() ::= "<enterAlt(n=i)>"
@element.prematch() ::=
"dbg.Location(<it.line>,<it.pos>);"
@matchSet.mismatchedSetException() ::=
"dbg.RecognitionException(mse);"
@dfaState.noViableAltException() ::= "dbg.RecognitionException(nvae_d<decisionNumber>s<stateNumber>);"
@dfaStateSwitch.noViableAltException() ::= "dbg.RecognitionException(nvae_d<decisionNumber>s<stateNumber>);"
dfaDecision(decisionNumber,description) ::= <<
try
{
isCyclicDecision = true;
<super.dfaDecision(...)>
}
catch (NoViableAltException nvae)
{
dbg.RecognitionException(nvae);
throw nvae;
}
>>
@cyclicDFA.dbgCtor() ::= <<
public DFA<dfa.decisionNumber>(BaseRecognizer recognizer, IDebugEventListener dbg) : this(recognizer)
{
this.dbg = dbg;
}
>>
@cyclicDFA.debugMember() ::= <<
IDebugEventListener dbg;
>>
@cyclicDFA.errorMethod() ::= <<
public override void Error(NoViableAltException nvae)
{
dbg.RecognitionException(nvae);
}
>>
/** Force predicate validation to trigger an event */
evalPredicate(pred,description) ::= <<
EvalPredicate(<pred>,"<description>")
>>