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refine debug info

This commit is contained in:
Eric Vergnaud 2016-12-04 16:51:46 +08:00
parent 185f8e9635
commit 67a93b3f36
1 changed files with 15 additions and 10 deletions
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25
runtime/JavaScript/src/antlr4/atn/ParserATNSimulator.js
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@ -315,6 +315,8 @@ ParserATNSimulator.prototype = Object.create(ATNSimulator.prototype);
ParserATNSimulator.prototype.constructor = ParserATNSimulator;
ParserATNSimulator.prototype.debug = false;
ParserATNSimulator.prototype.debug_closure = false;
ParserATNSimulator.prototype.debug_add = false;
ParserATNSimulator.prototype.debug_list_atn_decisions = false;
ParserATNSimulator.prototype.dfa_debug = false;
ParserATNSimulator.prototype.retry_debug = false;
@ -746,7 +748,7 @@ ParserATNSimulator.prototype.computeReachSet = function(closure, t, fullCtx) {
// First figure out where we can reach on input t
for (var i=0; i<closure.items.length;i++) {
var c = closure.items[i];
if(this.debug) {
if(this.debug_add) {
console.log("testing " + this.getTokenName(t) + " at " + c);
}
if (c.state instanceof RuleStopState) {
@ -755,7 +757,7 @@ ParserATNSimulator.prototype.computeReachSet = function(closure, t, fullCtx) {
skippedStopStates = [];
}
skippedStopStates.push(c);
if(this.debug) {
if(this.debug_add) {
console.log("added " + c + " to skippedStopStates");
}
}
@ -767,7 +769,7 @@ ParserATNSimulator.prototype.computeReachSet = function(closure, t, fullCtx) {
if (target!==null) {
var cfg = new ATNConfig({state:target}, c);
intermediate.add(cfg, this.mergeCache);
if(this.debug) {
if(this.debug_add) {
console.log("added " + cfg + " to intermediate");
}
}
@ -1225,9 +1227,9 @@ ParserATNSimulator.prototype.closure = function(config, configs, closureBusy, co
ParserATNSimulator.prototype.closureCheckingStopState = function(config, configs, closureBusy, collectPredicates, fullCtx, depth, treatEofAsEpsilon) {
if (this.debug) {
if (this.debug || this.debug_closure) {
console.log("closure(" + config.toString(this.parser,true) + ")");
console.log("configs(" + configs.toString() + ")");
// console.log("configs(" + configs.toString() + ")");
if(config.reachesIntoOuterContext>50) {
throw "problem";
}
@ -1447,7 +1449,8 @@ ParserATNSimulator.prototype.getEpsilonTarget = function(config, t, collectPredi
ParserATNSimulator.prototype.actionTransition = function(config, t) {
if (this.debug) {
console.log("ACTION edge " + t.ruleIndex + ":" + t.actionIndex);
var index = t.actionIndex==-1 ? 65535 : t.actionIndex;
console.log("ACTION edge " + t.ruleIndex + ":" + index);
}
return new ATNConfig({state:t.target}, config);
};
@ -1588,11 +1591,12 @@ ParserATNSimulator.prototype.getTokenName = function( t) {
return "EOF";
}
if( this.parser!==null && this.parser.literalNames!==null) {
if (t >= this.parser.literalNames.length) {
if (t >= this.parser.literalNames.length && t >= this.parser.symbolicNames.length) {
console.log("" + t + " ttype out of range: " + this.parser.literalNames);
console.log("" + this.parser.getInputStream().getTokens());
} else {
return this.parser.literalNames[t] + "<" + t + ">";
var name = this.parser.literalNames[t] || this.parser.symbolicNames[t];
return name + "<" + t + ">";
}
}
return "" + t;
@ -1679,8 +1683,9 @@ ParserATNSimulator.prototype.addDFAEdge = function(dfa, from_, t, to) {
from_.edges[t+1] = to; // connect
if (this.debug) {
var names = this.parser===null ? null : this.parser.literalNames;
console.log("DFA=\n" + dfa.toString(names));
var literalNames = this.parser===null ? null : this.parser.literalNames;
var symbolicNames = this.parser===null ? null : this.parser.symbolicNames;
console.log("DFA=\n" + dfa.toString(literalNames, symbolicNames));
}
return to;
};