From cdf7009b4667cb74e309dc9c21232d34c60e70b1 Mon Sep 17 00:00:00 2001
From: David Newell <davidnewell@google.com>
Date: Mon, 24 Jul 2023 15:52:03 +0200
Subject: [PATCH] Building for release

---
 bower.json               | 2 +-
 dist/graphlib-dot.js     | 8 ++++----
 dist/graphlib-dot.min.js | 6 +++---
 lib/version.js           | 2 +-
 package-lock.json        | 4 ++--
 5 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/bower.json b/bower.json
index 3496b98..b907e19 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "graphlib-dot",
-  "version": "1.0.0",
+  "version": "1.0.2",
   "main": [
     "dist/graphlib-dot.core.js",
     "dist/graphlib-dot.core.min.js"
diff --git a/dist/graphlib-dot.js b/dist/graphlib-dot.js
index 76d7e84..39c2dbe 100644
--- a/dist/graphlib-dot.js
+++ b/dist/graphlib-dot.js
@@ -104,7 +104,7 @@ function handleEdgeStmt(g, stmt, defaultStack, sg) {
             name = uniqueId("edge");
           }
           if (!g.hasEdge(v, w, name)) {
-            g.setEdge(v, w, Object.assign({}, defaultStack[defaultStack.length - 1].edge), name);
+            g.setEdge(v, w, structuredClone(defaultStack[defaultStack.length - 1].edge), name);
           }
           Object.assign(g.edge(v, w, name), attrs);
         });
@@ -121,7 +121,7 @@ function handleSubgraphStmt(g, stmt, defaultStack, sg) {
     id = generateSubgraphId(g);
   }
 
-  defaultStack.push(Object.assign({}, defaultStack[defaultStack.length - 1]));
+  defaultStack.push(structuredClone(defaultStack[defaultStack.length - 1]));
 
   maybeCreateNode(g, id, defaultStack, sg);
 
@@ -157,7 +157,7 @@ function generateSubgraphId(g) {
 
 function maybeCreateNode(g, v, defaultStack, sg) {
   if (!g.hasNode(v)) {
-    g.setNode(v, Object.assign({}, defaultStack[defaultStack.length - 1].node));
+    g.setNode(v, structuredClone(defaultStack[defaultStack.length - 1].node));
     g.setParent(v, sg);
   }
 }
@@ -2599,7 +2599,7 @@ module.exports = function readOne(str) {
 
 
 },{"./build-graph":3,"./dot-grammar":4}],7:[function(require,module,exports){
-module.exports = '1.0.0';
+module.exports = '1.0.2';
 
 },{}],8:[function(require,module,exports){
 module.exports = writeOne;
diff --git a/dist/graphlib-dot.min.js b/dist/graphlib-dot.min.js
index 1c83bae..fb006b2 100644
--- a/dist/graphlib-dot.min.js
+++ b/dist/graphlib-dot.min.js
@@ -28,9 +28,9 @@ write:write,
 // Version
 version:version,
 // For levelup encoding
-type:"dot",buffer:false}},{"./lib/read-many":5,"./lib/read-one":6,"./lib/version":7,"./lib/write-one":8,"@dagrejs/graphlib":9}],3:[function(require,module,exports){"use strict";var Graph=require("@dagrejs/graphlib").Graph;module.exports=buildGraph;function buildGraph(parseTree){var isDirected=parseTree.type!=="graph",isMultigraph=!parseTree.strict,defaultStack=[{node:{},edge:{}}],id=parseTree.id,g=new Graph({directed:isDirected,multigraph:isMultigraph,compound:true});g.setGraph(id===null?{}:{id:id});if(parseTree.stmts){parseTree.stmts.forEach(stmt=>handleStmt(g,stmt,defaultStack))}return g}function handleStmt(g,stmt,defaultStack,sg){switch(stmt.type){case"node":handleNodeStmt(g,stmt,defaultStack,sg);break;case"edge":handleEdgeStmt(g,stmt,defaultStack,sg);break;case"subgraph":handleSubgraphStmt(g,stmt,defaultStack,sg);break;case"attr":handleAttrStmt(g,stmt,defaultStack);break;case"inlineAttr":handleInlineAttrsStmt(g,stmt,defaultStack,sg);break}}function handleNodeStmt(g,stmt,defaultStack,sg){var v=stmt.id,attrs=stmt.attrs;maybeCreateNode(g,v,defaultStack,sg);Object.assign(g.node(v),attrs)}function handleEdgeStmt(g,stmt,defaultStack,sg){var attrs=stmt.attrs,prev,curr;stmt.elems.forEach(elem=>{handleStmt(g,elem,defaultStack,sg);switch(elem.type){case"node":curr=[elem.id];break;case"subgraph":curr=collectNodeIds(elem);break}if(prev){prev.forEach(v=>{curr.forEach(w=>{var name;if(g.hasEdge(v,w)&&g.isMultigraph()){name=uniqueId("edge")}if(!g.hasEdge(v,w,name)){g.setEdge(v,w,Object.assign({},defaultStack[defaultStack.length-1].edge),name)}Object.assign(g.edge(v,w,name),attrs)})})}prev=curr})}function handleSubgraphStmt(g,stmt,defaultStack,sg){var id=stmt.id;if(id===undefined){id=generateSubgraphId(g)}defaultStack.push(Object.assign({},defaultStack[defaultStack.length-1]));maybeCreateNode(g,id,defaultStack,sg);if(stmt.stmts){stmt.stmts.forEach(s=>{handleStmt(g,s,defaultStack,id)})}
+type:"dot",buffer:false}},{"./lib/read-many":5,"./lib/read-one":6,"./lib/version":7,"./lib/write-one":8,"@dagrejs/graphlib":9}],3:[function(require,module,exports){"use strict";var Graph=require("@dagrejs/graphlib").Graph;module.exports=buildGraph;function buildGraph(parseTree){var isDirected=parseTree.type!=="graph",isMultigraph=!parseTree.strict,defaultStack=[{node:{},edge:{}}],id=parseTree.id,g=new Graph({directed:isDirected,multigraph:isMultigraph,compound:true});g.setGraph(id===null?{}:{id:id});if(parseTree.stmts){parseTree.stmts.forEach(stmt=>handleStmt(g,stmt,defaultStack))}return g}function handleStmt(g,stmt,defaultStack,sg){switch(stmt.type){case"node":handleNodeStmt(g,stmt,defaultStack,sg);break;case"edge":handleEdgeStmt(g,stmt,defaultStack,sg);break;case"subgraph":handleSubgraphStmt(g,stmt,defaultStack,sg);break;case"attr":handleAttrStmt(g,stmt,defaultStack);break;case"inlineAttr":handleInlineAttrsStmt(g,stmt,defaultStack,sg);break}}function handleNodeStmt(g,stmt,defaultStack,sg){var v=stmt.id,attrs=stmt.attrs;maybeCreateNode(g,v,defaultStack,sg);Object.assign(g.node(v),attrs)}function handleEdgeStmt(g,stmt,defaultStack,sg){var attrs=stmt.attrs,prev,curr;stmt.elems.forEach(elem=>{handleStmt(g,elem,defaultStack,sg);switch(elem.type){case"node":curr=[elem.id];break;case"subgraph":curr=collectNodeIds(elem);break}if(prev){prev.forEach(v=>{curr.forEach(w=>{var name;if(g.hasEdge(v,w)&&g.isMultigraph()){name=uniqueId("edge")}if(!g.hasEdge(v,w,name)){g.setEdge(v,w,structuredClone(defaultStack[defaultStack.length-1].edge),name)}Object.assign(g.edge(v,w,name),attrs)})})}prev=curr})}function handleSubgraphStmt(g,stmt,defaultStack,sg){var id=stmt.id;if(id===undefined){id=generateSubgraphId(g)}defaultStack.push(structuredClone(defaultStack[defaultStack.length-1]));maybeCreateNode(g,id,defaultStack,sg);if(stmt.stmts){stmt.stmts.forEach(s=>{handleStmt(g,s,defaultStack,id)})}
 // If there are no statements remove the subgraph
-if(!g.children(id).length){g.removeNode(id)}defaultStack.pop()}function handleAttrStmt(g,stmt,defaultStack){Object.assign(defaultStack[defaultStack.length-1][stmt.attrType],stmt.attrs)}function handleInlineAttrsStmt(g,stmt,defaultStack,sg){Object.assign(sg?g.node(sg):g.graph(),stmt.attrs)}function generateSubgraphId(g){var id;do{id=uniqueId("sg")}while(g.hasNode(id));return id}function maybeCreateNode(g,v,defaultStack,sg){if(!g.hasNode(v)){g.setNode(v,Object.assign({},defaultStack[defaultStack.length-1].node));g.setParent(v,sg)}}
+if(!g.children(id).length){g.removeNode(id)}defaultStack.pop()}function handleAttrStmt(g,stmt,defaultStack){Object.assign(defaultStack[defaultStack.length-1][stmt.attrType],stmt.attrs)}function handleInlineAttrsStmt(g,stmt,defaultStack,sg){Object.assign(sg?g.node(sg):g.graph(),stmt.attrs)}function generateSubgraphId(g){var id;do{id=uniqueId("sg")}while(g.hasNode(id));return id}function maybeCreateNode(g,v,defaultStack,sg){if(!g.hasNode(v)){g.setNode(v,structuredClone(defaultStack[defaultStack.length-1].node));g.setParent(v,sg)}}
 // Collect all nodes involved in a subgraph statement
 function collectNodeIds(stmt){var ids={},stack=[],curr;var push=stack.push.bind(stack);push(stmt);while(stack.length){curr=stack.pop();switch(curr.type){case"node":ids[curr.id]=true;break;case"edge":curr.elems.forEach(push);break;case"subgraph":curr.stmts.forEach(push);break}}return Object.keys(ids)}let idCounter=0;function uniqueId(prefix){var id=++idCounter;return toString(prefix)+id}},{"@dagrejs/graphlib":9}],4:[function(require,module,exports){module.exports=function(){
 /*
@@ -38,7 +38,7 @@ function collectNodeIds(stmt){var ids={},stack=[],curr;var push=stack.push.bind(
    *
    * http://pegjs.majda.cz/
    */
-function peg$subclass(child,parent){function ctor(){this.constructor=child}ctor.prototype=parent.prototype;child.prototype=new ctor}function SyntaxError(message,expected,found,offset,line,column){this.message=message;this.expected=expected;this.found=found;this.offset=offset;this.line=line;this.column=column;this.name="SyntaxError"}peg$subclass(SyntaxError,Error);function parse(input){var options=arguments.length>1?arguments[1]:{},peg$FAILED={},peg$startRuleFunctions={start:peg$parsestart,graphStmt:peg$parsegraphStmt},peg$startRuleFunction=peg$parsestart,peg$c0=[],peg$c1=peg$FAILED,peg$c2=null,peg$c3="{",peg$c4={type:"literal",value:"{",description:'"{"'},peg$c5="}",peg$c6={type:"literal",value:"}",description:'"}"'},peg$c7=function(strict,type,id,stmts){return{type:type,id:id,strict:strict!==null,stmts:stmts}},peg$c8=";",peg$c9={type:"literal",value:";",description:'";"'},peg$c10=function(first,rest){var result=[first];for(var i=0;i<rest.length;++i){result.push(rest[i][1])}return result},peg$c11=function(type,attrs){return{type:"attr",attrType:type,attrs:attrs||{}}},peg$c12="=",peg$c13={type:"literal",value:"=",description:'"="'},peg$c14=function(k,v){var attrs={};attrs[k]=v;return{type:"inlineAttr",attrs:attrs}},peg$c15=function(id,attrs){return{type:"node",id:id,attrs:attrs||{}}},peg$c16=function(lhs,rhs,attrs){var elems=[lhs];for(var i=0;i<rhs.length;++i){elems.push(rhs[i])}return{type:"edge",elems:elems,attrs:attrs||{}}},peg$c17=function(id,stmts){id=id&&id[2]||[];return{type:"subgraph",id:id[0],stmts:stmts}},peg$c18=function(first,rest){var result=first;for(var i=0;i<rest.length;++i){Object.assign(result,rest[i][1])}return result},peg$c19="[",peg$c20={type:"literal",value:"[",description:'"["'},peg$c21="]",peg$c22={type:"literal",value:"]",description:'"]"'},peg$c23=function(aList){return aList},peg$c24=",",peg$c25={type:"literal",value:",",description:'","'},peg$c26=function(first,rest){var result=first;for(var i=0;i<rest.length;++i){Object.assign(result,rest[i][3])}return result},peg$c27="--",peg$c28={type:"literal",value:"--",description:'"--"'},peg$c29=function(){return directed},peg$c30=void 0,peg$c31="->",peg$c32={type:"literal",value:"->",description:'"->"'},peg$c33=function(rhs,rest){var result=[rhs];if(rest){for(var i=0;i<rest.length;++i){result.push(rest[i])}}return result},peg$c34=function(k,v){var result={};result[k]=v[3];return result},peg$c35=function(id){return{type:"node",id:id,attrs:{}}},peg$c36=function(id){return id},peg$c37=":",peg$c38={type:"literal",value:":",description:'":"'},peg$c39="ne",peg$c40={type:"literal",value:"ne",description:'"ne"'},peg$c41="se",peg$c42={type:"literal",value:"se",description:'"se"'},peg$c43="sw",peg$c44={type:"literal",value:"sw",description:'"sw"'},peg$c45="nw",peg$c46={type:"literal",value:"nw",description:'"nw"'},peg$c47="n",peg$c48={type:"literal",value:"n",description:'"n"'},peg$c49="e",peg$c50={type:"literal",value:"e",description:'"e"'},peg$c51="s",peg$c52={type:"literal",value:"s",description:'"s"'},peg$c53="w",peg$c54={type:"literal",value:"w",description:'"w"'},peg$c55="c",peg$c56={type:"literal",value:"c",description:'"c"'},peg$c57="_",peg$c58={type:"literal",value:"_",description:'"_"'},peg$c59={type:"other",description:"identifier"},peg$c60=/^[a-zA-Z\u0200-\u0377_]/,peg$c61={type:"class",value:"[a-zA-Z\\u0200-\\u0377_]",description:"[a-zA-Z\\u0200-\\u0377_]"},peg$c62=/^[a-zA-Z\u0200-\u0377_0-9]/,peg$c63={type:"class",value:"[a-zA-Z\\u0200-\\u0377_0-9]",description:"[a-zA-Z\\u0200-\\u0377_0-9]"},peg$c64=function(fst,rest){return fst+rest.join("")},peg$c65="-",peg$c66={type:"literal",value:"-",description:'"-"'},peg$c67=".",peg$c68={type:"literal",value:".",description:'"."'},peg$c69=/^[0-9]/,peg$c70={type:"class",value:"[0-9]",description:"[0-9]"},peg$c71=function(sign,dot,after){return(sign||"")+dot+after.join("")},peg$c72=function(sign,before,after){return(sign||"")+before.join("")+(after?after[0]:"")+(after?after[1].join(""):"")},peg$c73='"',peg$c74={type:"literal",value:'"',description:'"\\""'},peg$c75='\\"',peg$c76={type:"literal",value:'\\"',description:'"\\\\\\""'},peg$c77=function(){return'"'},peg$c78="\\",peg$c79={type:"literal",value:"\\",description:'"\\\\"'},peg$c80=/^[^"]/,peg$c81={type:"class",value:'[^"]',description:'[^"]'},peg$c82=function(ch){return"\\"+ch},peg$c83=function(id){return id.join("")},peg$c84="node",peg$c85={type:"literal",value:"node",description:'"node"'},peg$c86=function(k){return k.toLowerCase()},peg$c87="edge",peg$c88={type:"literal",value:"edge",description:'"edge"'},peg$c89="graph",peg$c90={type:"literal",value:"graph",description:'"graph"'},peg$c91="digraph",peg$c92={type:"literal",value:"digraph",description:'"digraph"'},peg$c93="subgraph",peg$c94={type:"literal",value:"subgraph",description:'"subgraph"'},peg$c95="strict",peg$c96={type:"literal",value:"strict",description:'"strict"'},peg$c97=function(graph){directed=graph==="digraph";return graph},peg$c98={type:"other",description:"whitespace"},peg$c99=/^[ \t\r\n]/,peg$c100={type:"class",value:"[ \\t\\r\\n]",description:"[ \\t\\r\\n]"},peg$c101={type:"other",description:"comment"},peg$c102="//",peg$c103={type:"literal",value:"//",description:'"//"'},peg$c104=/^[^\n]/,peg$c105={type:"class",value:"[^\\n]",description:"[^\\n]"},peg$c106="/*",peg$c107={type:"literal",value:"/*",description:'"/*"'},peg$c108="*/",peg$c109={type:"literal",value:"*/",description:'"*/"'},peg$c110={type:"any",description:"any character"},peg$currPos=0,peg$reportedPos=0,peg$cachedPos=0,peg$cachedPosDetails={line:1,column:1,seenCR:false},peg$maxFailPos=0,peg$maxFailExpected=[],peg$silentFails=0,peg$result;if("startRule"in options){if(!(options.startRule in peg$startRuleFunctions)){throw new Error("Can't start parsing from rule \""+options.startRule+'".')}peg$startRuleFunction=peg$startRuleFunctions[options.startRule]}function text(){return input.substring(peg$reportedPos,peg$currPos)}function offset(){return peg$reportedPos}function line(){return peg$computePosDetails(peg$reportedPos).line}function column(){return peg$computePosDetails(peg$reportedPos).column}function expected(description){throw peg$buildException(null,[{type:"other",description:description}],peg$reportedPos)}function error(message){throw peg$buildException(message,null,peg$reportedPos)}function peg$computePosDetails(pos){function advance(details,startPos,endPos){var p,ch;for(p=startPos;p<endPos;p++){ch=input.charAt(p);if(ch==="\n"){if(!details.seenCR){details.line++}details.column=1;details.seenCR=false}else if(ch==="\r"||ch==="\u2028"||ch==="\u2029"){details.line++;details.column=1;details.seenCR=true}else{details.column++;details.seenCR=false}}}if(peg$cachedPos!==pos){if(peg$cachedPos>pos){peg$cachedPos=0;peg$cachedPosDetails={line:1,column:1,seenCR:false}}advance(peg$cachedPosDetails,peg$cachedPos,pos);peg$cachedPos=pos}return peg$cachedPosDetails}function peg$fail(expected){if(peg$currPos<peg$maxFailPos){return}if(peg$currPos>peg$maxFailPos){peg$maxFailPos=peg$currPos;peg$maxFailExpected=[]}peg$maxFailExpected.push(expected)}function peg$buildException(message,expected,pos){function cleanupExpected(expected){var i=1;expected.sort(function(a,b){if(a.description<b.description){return-1}else if(a.description>b.description){return 1}else{return 0}});while(i<expected.length){if(expected[i-1]===expected[i]){expected.splice(i,1)}else{i++}}}function buildMessage(expected,found){function stringEscape(s){function hex(ch){return ch.charCodeAt(0).toString(16).toUpperCase()}return s.replace(/\\/g,"\\\\").replace(/"/g,'\\"').replace(/\x08/g,"\\b").replace(/\t/g,"\\t").replace(/\n/g,"\\n").replace(/\f/g,"\\f").replace(/\r/g,"\\r").replace(/[\x00-\x07\x0B\x0E\x0F]/g,function(ch){return"\\x0"+hex(ch)}).replace(/[\x10-\x1F\x80-\xFF]/g,function(ch){return"\\x"+hex(ch)}).replace(/[\u0180-\u0FFF]/g,function(ch){return"\\u0"+hex(ch)}).replace(/[\u1080-\uFFFF]/g,function(ch){return"\\u"+hex(ch)})}var expectedDescs=new Array(expected.length),expectedDesc,foundDesc,i;for(i=0;i<expected.length;i++){expectedDescs[i]=expected[i].description}expectedDesc=expected.length>1?expectedDescs.slice(0,-1).join(", ")+" or "+expectedDescs[expected.length-1]:expectedDescs[0];foundDesc=found?'"'+stringEscape(found)+'"':"end of input";return"Expected "+expectedDesc+" but "+foundDesc+" found."}var posDetails=peg$computePosDetails(pos),found=pos<input.length?input.charAt(pos):null;if(expected!==null){cleanupExpected(expected)}return new SyntaxError(message!==null?message:buildMessage(expected,found),expected,found,pos,posDetails.line,posDetails.column)}function peg$parsestart(){var s0,s1;s0=[];s1=peg$parsegraphStmt();if(s1!==peg$FAILED){while(s1!==peg$FAILED){s0.push(s1);s1=peg$parsegraphStmt()}}else{s0=peg$c1}return s0}function peg$parsegraphStmt(){var s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13;s0=peg$currPos;s1=[];s2=peg$parse_();while(s2!==peg$FAILED){s1.push(s2);s2=peg$parse_()}if(s1!==peg$FAILED){s2=peg$currPos;s3=peg$parsestrict();if(s3!==peg$FAILED){s4=peg$parse_();if(s4!==peg$FAILED){s3=[s3,s4];s2=s3}else{peg$currPos=s2;s2=peg$c1}}else{peg$currPos=s2;s2=peg$c1}if(s2===peg$FAILED){s2=peg$c2}if(s2!==peg$FAILED){s3=peg$parsegraphType();if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseid();if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){if(input.charCodeAt(peg$currPos)===123){s7=peg$c3;peg$currPos++}else{s7=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c4)}}if(s7!==peg$FAILED){s8=[];s9=peg$parse_();while(s9!==peg$FAILED){s8.push(s9);s9=peg$parse_()}if(s8!==peg$FAILED){s9=peg$parsestmtList();if(s9===peg$FAILED){s9=peg$c2}if(s9!==peg$FAILED){s10=[];s11=peg$parse_();while(s11!==peg$FAILED){s10.push(s11);s11=peg$parse_()}if(s10!==peg$FAILED){if(input.charCodeAt(peg$currPos)===125){s11=peg$c5;peg$currPos++}else{s11=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c6)}}if(s11!==peg$FAILED){s12=[];s13=peg$parse_();while(s13!==peg$FAILED){s12.push(s13);s13=peg$parse_()}if(s12!==peg$FAILED){peg$reportedPos=s0;s1=peg$c7(s2,s3,s5,s9);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsestmtList(){var s0,s1,s2,s3,s4,s5,s6,s7,s8,s9;s0=peg$currPos;s1=peg$parsestmt();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===59){s3=peg$c8;peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c9)}}if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){s4=[];s5=peg$currPos;s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s7=peg$parsestmt();if(s7!==peg$FAILED){s8=[];s9=peg$parse_();while(s9!==peg$FAILED){s8.push(s9);s9=peg$parse_()}if(s8!==peg$FAILED){if(input.charCodeAt(peg$currPos)===59){s9=peg$c8;peg$currPos++}else{s9=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c9)}}if(s9===peg$FAILED){s9=peg$c2}if(s9!==peg$FAILED){s6=[s6,s7,s8,s9];s5=s6}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}while(s5!==peg$FAILED){s4.push(s5);s5=peg$currPos;s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s7=peg$parsestmt();if(s7!==peg$FAILED){s8=[];s9=peg$parse_();while(s9!==peg$FAILED){s8.push(s9);s9=peg$parse_()}if(s8!==peg$FAILED){if(input.charCodeAt(peg$currPos)===59){s9=peg$c8;peg$currPos++}else{s9=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c9)}}if(s9===peg$FAILED){s9=peg$c2}if(s9!==peg$FAILED){s6=[s6,s7,s8,s9];s5=s6}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}if(s4!==peg$FAILED){peg$reportedPos=s0;s1=peg$c10(s1,s4);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsestmt(){var s0;s0=peg$parseattrStmt();if(s0===peg$FAILED){s0=peg$parseedgeStmt();if(s0===peg$FAILED){s0=peg$parsesubgraphStmt();if(s0===peg$FAILED){s0=peg$parseinlineAttrStmt();if(s0===peg$FAILED){s0=peg$parsenodeStmt()}}}}return s0}function peg$parseattrStmt(){var s0,s1,s2,s3;s0=peg$currPos;s1=peg$parsegraph();if(s1===peg$FAILED){s1=peg$parsenode();if(s1===peg$FAILED){s1=peg$parseedge()}}if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseattrList();if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c11(s1,s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseinlineAttrStmt(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$parseid();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===61){s3=peg$c12;peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c13)}}if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseid();if(s5!==peg$FAILED){peg$reportedPos=s0;s1=peg$c14(s1,s5);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsenodeStmt(){var s0,s1,s2,s3;s0=peg$currPos;s1=peg$parsenodeId();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseattrList();if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c15(s1,s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseedgeStmt(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$parsenodeIdOrSubgraph();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseedgeRHS();if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseattrList();if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){peg$reportedPos=s0;s1=peg$c16(s1,s3,s5);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsesubgraphStmt(){var s0,s1,s2,s3,s4,s5,s6,s7;s0=peg$currPos;s1=peg$currPos;s2=peg$parsesubgraph();if(s2!==peg$FAILED){s3=[];s4=peg$parse_();while(s4!==peg$FAILED){s3.push(s4);s4=peg$parse_()}if(s3!==peg$FAILED){s4=peg$currPos;s5=peg$parseid();if(s5!==peg$FAILED){s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s5=[s5,s6];s4=s5}else{peg$currPos=s4;s4=peg$c1}}else{peg$currPos=s4;s4=peg$c1}if(s4===peg$FAILED){s4=peg$c2}if(s4!==peg$FAILED){s2=[s2,s3,s4];s1=s2}else{peg$currPos=s1;s1=peg$c1}}else{peg$currPos=s1;s1=peg$c1}}else{peg$currPos=s1;s1=peg$c1}if(s1===peg$FAILED){s1=peg$c2}if(s1!==peg$FAILED){if(input.charCodeAt(peg$currPos)===123){s2=peg$c3;peg$currPos++}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c4)}}if(s2!==peg$FAILED){s3=[];s4=peg$parse_();while(s4!==peg$FAILED){s3.push(s4);s4=peg$parse_()}if(s3!==peg$FAILED){s4=peg$parsestmtList();if(s4===peg$FAILED){s4=peg$c2}if(s4!==peg$FAILED){s5=[];s6=peg$parse_();while(s6!==peg$FAILED){s5.push(s6);s6=peg$parse_()}if(s5!==peg$FAILED){if(input.charCodeAt(peg$currPos)===125){s6=peg$c5;peg$currPos++}else{s6=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c6)}}if(s6!==peg$FAILED){peg$reportedPos=s0;s1=peg$c17(s1,s4);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseattrList(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$parseattrListBlock();if(s1!==peg$FAILED){s2=[];s3=peg$currPos;s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseattrListBlock();if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseattrListBlock();if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}if(s2!==peg$FAILED){peg$reportedPos=s0;s1=peg$c18(s1,s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseattrListBlock(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;if(input.charCodeAt(peg$currPos)===91){s1=peg$c19;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c20)}}if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseaList();if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){if(input.charCodeAt(peg$currPos)===93){s5=peg$c21;peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c22)}}if(s5!==peg$FAILED){peg$reportedPos=s0;s1=peg$c23(s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseaList(){var s0,s1,s2,s3,s4,s5,s6,s7;s0=peg$currPos;s1=peg$parseidDef();if(s1!==peg$FAILED){s2=[];s3=peg$currPos;s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){if(input.charCodeAt(peg$currPos)===44){s5=peg$c24;peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c25)}}if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s7=peg$parseidDef();if(s7!==peg$FAILED){s4=[s4,s5,s6,s7];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){if(input.charCodeAt(peg$currPos)===44){s5=peg$c24;peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c25)}}if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s7=peg$parseidDef();if(s7!==peg$FAILED){s4=[s4,s5,s6,s7];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}if(s2!==peg$FAILED){peg$reportedPos=s0;s1=peg$c26(s1,s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseedgeRHS(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$currPos;if(input.substr(peg$currPos,2)===peg$c27){s2=peg$c27;peg$currPos+=2}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c28)}}if(s2!==peg$FAILED){peg$reportedPos=peg$currPos;s3=peg$c29();if(s3){s3=peg$c1}else{s3=peg$c30}if(s3!==peg$FAILED){s2=[s2,s3];s1=s2}else{peg$currPos=s1;s1=peg$c1}}else{peg$currPos=s1;s1=peg$c1}if(s1===peg$FAILED){s1=peg$currPos;if(input.substr(peg$currPos,2)===peg$c31){s2=peg$c31;peg$currPos+=2}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c32)}}if(s2!==peg$FAILED){peg$reportedPos=peg$currPos;s3=peg$c29();if(s3){s3=peg$c30}else{s3=peg$c1}if(s3!==peg$FAILED){s2=[s2,s3];s1=s2}else{peg$currPos=s1;s1=peg$c1}}else{peg$currPos=s1;s1=peg$c1}}if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parsenodeIdOrSubgraph();if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseedgeRHS();if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){peg$reportedPos=s0;s1=peg$c33(s3,s5);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseidDef(){var s0,s1,s2,s3,s4,s5,s6;s0=peg$currPos;s1=peg$parseid();if(s1!==peg$FAILED){s2=peg$currPos;s3=[];s4=peg$parse_();while(s4!==peg$FAILED){s3.push(s4);s4=peg$parse_()}if(s3!==peg$FAILED){if(input.charCodeAt(peg$currPos)===61){s4=peg$c12;peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c13)}}if(s4!==peg$FAILED){s5=[];s6=peg$parse_();while(s6!==peg$FAILED){s5.push(s6);s6=peg$parse_()}if(s5!==peg$FAILED){s6=peg$parseid();if(s6!==peg$FAILED){s3=[s3,s4,s5,s6];s2=s3}else{peg$currPos=s2;s2=peg$c1}}else{peg$currPos=s2;s2=peg$c1}}else{peg$currPos=s2;s2=peg$c1}}else{peg$currPos=s2;s2=peg$c1}if(s2===peg$FAILED){s2=peg$c2}if(s2!==peg$FAILED){peg$reportedPos=s0;s1=peg$c34(s1,s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsenodeIdOrSubgraph(){var s0,s1;s0=peg$parsesubgraphStmt();if(s0===peg$FAILED){s0=peg$currPos;s1=peg$parsenodeId();if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c35(s1)}s0=s1}return s0}function peg$parsenodeId(){var s0,s1,s2,s3;s0=peg$currPos;s1=peg$parseid();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseport();if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c36(s1);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseport(){var s0,s1,s2,s3,s4,s5,s6,s7,s8;s0=peg$currPos;if(input.charCodeAt(peg$currPos)===58){s1=peg$c37;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c38)}}if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseid();if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$currPos;if(input.charCodeAt(peg$currPos)===58){s6=peg$c37;peg$currPos++}else{s6=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c38)}}if(s6!==peg$FAILED){s7=[];s8=peg$parse_();while(s8!==peg$FAILED){s7.push(s8);s8=peg$parse_()}if(s7!==peg$FAILED){s8=peg$parsecompassPt();if(s8!==peg$FAILED){s6=[s6,s7,s8];s5=s6}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){s1=[s1,s2,s3,s4,s5];s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsecompassPt(){var s0;if(input.substr(peg$currPos,2)===peg$c39){s0=peg$c39;peg$currPos+=2}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c40)}}if(s0===peg$FAILED){if(input.substr(peg$currPos,2)===peg$c41){s0=peg$c41;peg$currPos+=2}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c42)}}if(s0===peg$FAILED){if(input.substr(peg$currPos,2)===peg$c43){s0=peg$c43;peg$currPos+=2}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c44)}}if(s0===peg$FAILED){if(input.substr(peg$currPos,2)===peg$c45){s0=peg$c45;peg$currPos+=2}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c46)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===110){s0=peg$c47;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c48)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===101){s0=peg$c49;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c50)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===115){s0=peg$c51;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c52)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===119){s0=peg$c53;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c54)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===99){s0=peg$c55;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c56)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===95){s0=peg$c57;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c58)}}}}}}}}}}}return s0}function peg$parseid(){var s0,s1,s2,s3,s4,s5,s6;peg$silentFails++;s0=peg$currPos;if(peg$c60.test(input.charAt(peg$currPos))){s1=input.charAt(peg$currPos);peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c61)}}if(s1!==peg$FAILED){s2=[];if(peg$c62.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c63)}}while(s3!==peg$FAILED){s2.push(s3);if(peg$c62.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c63)}}}if(s2!==peg$FAILED){peg$reportedPos=s0;s1=peg$c64(s1,s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}if(s0===peg$FAILED){s0=peg$currPos;if(input.charCodeAt(peg$currPos)===45){s1=peg$c65;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c66)}}if(s1===peg$FAILED){s1=peg$c2}if(s1!==peg$FAILED){if(input.charCodeAt(peg$currPos)===46){s2=peg$c67;peg$currPos++}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c68)}}if(s2!==peg$FAILED){s3=[];if(peg$c69.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}if(s4!==peg$FAILED){while(s4!==peg$FAILED){s3.push(s4);if(peg$c69.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}}}else{s3=peg$c1}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c71(s1,s2,s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}if(s0===peg$FAILED){s0=peg$currPos;if(input.charCodeAt(peg$currPos)===45){s1=peg$c65;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c66)}}if(s1===peg$FAILED){s1=peg$c2}if(s1!==peg$FAILED){s2=[];if(peg$c69.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}if(s3!==peg$FAILED){while(s3!==peg$FAILED){s2.push(s3);if(peg$c69.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}}}else{s2=peg$c1}if(s2!==peg$FAILED){s3=peg$currPos;if(input.charCodeAt(peg$currPos)===46){s4=peg$c67;peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c68)}}if(s4!==peg$FAILED){s5=[];if(peg$c69.test(input.charAt(peg$currPos))){s6=input.charAt(peg$currPos);peg$currPos++}else{s6=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}while(s6!==peg$FAILED){s5.push(s6);if(peg$c69.test(input.charAt(peg$currPos))){s6=input.charAt(peg$currPos);peg$currPos++}else{s6=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}}if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c72(s1,s2,s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}if(s0===peg$FAILED){s0=peg$currPos;if(input.charCodeAt(peg$currPos)===34){s1=peg$c73;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c74)}}if(s1!==peg$FAILED){s2=[];s3=peg$currPos;if(input.substr(peg$currPos,2)===peg$c75){s4=peg$c75;peg$currPos+=2}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c76)}}if(s4!==peg$FAILED){peg$reportedPos=s3;s4=peg$c77()}s3=s4;if(s3===peg$FAILED){s3=peg$currPos;if(input.charCodeAt(peg$currPos)===92){s4=peg$c78;peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c79)}}if(s4!==peg$FAILED){if(peg$c80.test(input.charAt(peg$currPos))){s5=input.charAt(peg$currPos);peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c81)}}if(s5!==peg$FAILED){peg$reportedPos=s3;s4=peg$c82(s5);s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}if(s3===peg$FAILED){if(peg$c80.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c81)}}}}while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;if(input.substr(peg$currPos,2)===peg$c75){s4=peg$c75;peg$currPos+=2}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c76)}}if(s4!==peg$FAILED){peg$reportedPos=s3;s4=peg$c77()}s3=s4;if(s3===peg$FAILED){s3=peg$currPos;if(input.charCodeAt(peg$currPos)===92){s4=peg$c78;peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c79)}}if(s4!==peg$FAILED){if(peg$c80.test(input.charAt(peg$currPos))){s5=input.charAt(peg$currPos);peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c81)}}if(s5!==peg$FAILED){peg$reportedPos=s3;s4=peg$c82(s5);s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}if(s3===peg$FAILED){if(peg$c80.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c81)}}}}}if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===34){s3=peg$c73;peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c74)}}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c83(s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}}}peg$silentFails--;if(s0===peg$FAILED){s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c59)}}return s0}function peg$parsenode(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,4).toLowerCase()===peg$c84){s1=input.substr(peg$currPos,4);peg$currPos+=4}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c85)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parseedge(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,4).toLowerCase()===peg$c87){s1=input.substr(peg$currPos,4);peg$currPos+=4}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c88)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsegraph(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,5).toLowerCase()===peg$c89){s1=input.substr(peg$currPos,5);peg$currPos+=5}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c90)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsedigraph(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,7).toLowerCase()===peg$c91){s1=input.substr(peg$currPos,7);peg$currPos+=7}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c92)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsesubgraph(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,8).toLowerCase()===peg$c93){s1=input.substr(peg$currPos,8);peg$currPos+=8}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c94)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsestrict(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,6).toLowerCase()===peg$c95){s1=input.substr(peg$currPos,6);peg$currPos+=6}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c96)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsegraphType(){var s0,s1;s0=peg$parsegraph();if(s0===peg$FAILED){s0=peg$currPos;s1=peg$parsedigraph();if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c97(s1)}s0=s1}return s0}function peg$parsewhitespace(){var s0,s1;peg$silentFails++;s0=[];if(peg$c99.test(input.charAt(peg$currPos))){s1=input.charAt(peg$currPos);peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c100)}}if(s1!==peg$FAILED){while(s1!==peg$FAILED){s0.push(s1);if(peg$c99.test(input.charAt(peg$currPos))){s1=input.charAt(peg$currPos);peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c100)}}}}else{s0=peg$c1}peg$silentFails--;if(s0===peg$FAILED){s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c98)}}return s0}function peg$parsecomment(){var s0,s1,s2,s3,s4,s5;peg$silentFails++;s0=peg$currPos;if(input.substr(peg$currPos,2)===peg$c102){s1=peg$c102;peg$currPos+=2}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c103)}}if(s1!==peg$FAILED){s2=[];if(peg$c104.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c105)}}while(s3!==peg$FAILED){s2.push(s3);if(peg$c104.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c105)}}}if(s2!==peg$FAILED){s1=[s1,s2];s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}if(s0===peg$FAILED){s0=peg$currPos;if(input.substr(peg$currPos,2)===peg$c106){s1=peg$c106;peg$currPos+=2}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c107)}}if(s1!==peg$FAILED){s2=[];s3=peg$currPos;s4=peg$currPos;peg$silentFails++;if(input.substr(peg$currPos,2)===peg$c108){s5=peg$c108;peg$currPos+=2}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c109)}}peg$silentFails--;if(s5===peg$FAILED){s4=peg$c30}else{peg$currPos=s4;s4=peg$c1}if(s4!==peg$FAILED){if(input.length>peg$currPos){s5=input.charAt(peg$currPos);peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c110)}}if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;s4=peg$currPos;peg$silentFails++;if(input.substr(peg$currPos,2)===peg$c108){s5=peg$c108;peg$currPos+=2}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c109)}}peg$silentFails--;if(s5===peg$FAILED){s4=peg$c30}else{peg$currPos=s4;s4=peg$c1}if(s4!==peg$FAILED){if(input.length>peg$currPos){s5=input.charAt(peg$currPos);peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c110)}}if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}if(s2!==peg$FAILED){if(input.substr(peg$currPos,2)===peg$c108){s3=peg$c108;peg$currPos+=2}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c109)}}if(s3!==peg$FAILED){s1=[s1,s2,s3];s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}peg$silentFails--;if(s0===peg$FAILED){s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c101)}}return s0}function peg$parse_(){var s0;s0=peg$parsewhitespace();if(s0===peg$FAILED){s0=peg$parsecomment()}return s0}var directed;peg$result=peg$startRuleFunction();if(peg$result!==peg$FAILED&&peg$currPos===input.length){return peg$result}else{if(peg$result!==peg$FAILED&&peg$currPos<input.length){peg$fail({type:"end",description:"end of input"})}throw peg$buildException(null,peg$maxFailExpected,peg$maxFailPos)}}return{SyntaxError:SyntaxError,parse:parse}}()},{}],5:[function(require,module,exports){var grammar=require("./dot-grammar");var buildGraph=require("./build-graph");module.exports=function readMany(str){var parseTree=grammar.parse(str);return parseTree.map(buildGraph)}},{"./build-graph":3,"./dot-grammar":4}],6:[function(require,module,exports){var grammar=require("./dot-grammar");var buildGraph=require("./build-graph");module.exports=function readOne(str){var parseTree=grammar.parse(str,{startRule:"graphStmt"});return buildGraph(parseTree)}},{"./build-graph":3,"./dot-grammar":4}],7:[function(require,module,exports){module.exports="1.0.0"},{}],8:[function(require,module,exports){module.exports=writeOne;var UNESCAPED_ID_PATTERN=/^[a-zA-Z\200-\377_][a-zA-Z\200-\377_0-9]*$/;function writeOne(g){var ec=g.isDirected()?"->":"--";var writer=new Writer;if(!g.isMultigraph()){writer.write("strict ")}writer.writeLine((g.isDirected()?"digraph":"graph")+" {");writer.indent();var graphAttrs=g.graph();if(typeof graphAttrs==="object"){Object.entries(graphAttrs).forEach(([k,v])=>{writer.writeLine(id(k)+"="+id(v)+";")})}writeSubgraph(g,undefined,writer);g.edges().forEach(function(edge){writeEdge(g,edge,ec,writer)});writer.unindent();writer.writeLine("}");return writer.toString()}function writeSubgraph(g,v,writer){var children=g.isCompound()?g.children(v):g.nodes();children.forEach(w=>{if(!g.isCompound()||!g.children(w).length){writeNode(g,w,writer)}else{writer.writeLine("subgraph "+id(w)+" {");writer.indent();if(typeof g.node(w)==="object"){Object.entries(g.node(w)).map(([key,val])=>{writer.writeLine(id(key)+"="+id(val)+";")})}writeSubgraph(g,w,writer);writer.unindent();writer.writeLine("}")}})}function writeNode(g,v,writer){writer.write(id(v));writeAttrs(g.node(v),writer);writer.writeLine()}function writeEdge(g,edge,ec,writer){var v=edge.v;var w=edge.w;var attrs=g.edge(edge);writer.write(id(v)+" "+ec+" "+id(w));writeAttrs(attrs,writer);writer.writeLine()}function writeAttrs(attrs,writer){if(typeof attrs==="object"){var attrStrs=Object.entries(attrs).map(([key,val])=>id(key)+"="+id(val));if(attrStrs.length){writer.write(" ["+attrStrs.join(",")+"]")}}}function id(obj){if(typeof obj==="number"||obj.toString().match(UNESCAPED_ID_PATTERN)){return obj}return'"'+obj.toString().replace(/"/g,'\\"')+'"'}
+function peg$subclass(child,parent){function ctor(){this.constructor=child}ctor.prototype=parent.prototype;child.prototype=new ctor}function SyntaxError(message,expected,found,offset,line,column){this.message=message;this.expected=expected;this.found=found;this.offset=offset;this.line=line;this.column=column;this.name="SyntaxError"}peg$subclass(SyntaxError,Error);function parse(input){var options=arguments.length>1?arguments[1]:{},peg$FAILED={},peg$startRuleFunctions={start:peg$parsestart,graphStmt:peg$parsegraphStmt},peg$startRuleFunction=peg$parsestart,peg$c0=[],peg$c1=peg$FAILED,peg$c2=null,peg$c3="{",peg$c4={type:"literal",value:"{",description:'"{"'},peg$c5="}",peg$c6={type:"literal",value:"}",description:'"}"'},peg$c7=function(strict,type,id,stmts){return{type:type,id:id,strict:strict!==null,stmts:stmts}},peg$c8=";",peg$c9={type:"literal",value:";",description:'";"'},peg$c10=function(first,rest){var result=[first];for(var i=0;i<rest.length;++i){result.push(rest[i][1])}return result},peg$c11=function(type,attrs){return{type:"attr",attrType:type,attrs:attrs||{}}},peg$c12="=",peg$c13={type:"literal",value:"=",description:'"="'},peg$c14=function(k,v){var attrs={};attrs[k]=v;return{type:"inlineAttr",attrs:attrs}},peg$c15=function(id,attrs){return{type:"node",id:id,attrs:attrs||{}}},peg$c16=function(lhs,rhs,attrs){var elems=[lhs];for(var i=0;i<rhs.length;++i){elems.push(rhs[i])}return{type:"edge",elems:elems,attrs:attrs||{}}},peg$c17=function(id,stmts){id=id&&id[2]||[];return{type:"subgraph",id:id[0],stmts:stmts}},peg$c18=function(first,rest){var result=first;for(var i=0;i<rest.length;++i){Object.assign(result,rest[i][1])}return result},peg$c19="[",peg$c20={type:"literal",value:"[",description:'"["'},peg$c21="]",peg$c22={type:"literal",value:"]",description:'"]"'},peg$c23=function(aList){return aList},peg$c24=",",peg$c25={type:"literal",value:",",description:'","'},peg$c26=function(first,rest){var result=first;for(var i=0;i<rest.length;++i){Object.assign(result,rest[i][3])}return result},peg$c27="--",peg$c28={type:"literal",value:"--",description:'"--"'},peg$c29=function(){return directed},peg$c30=void 0,peg$c31="->",peg$c32={type:"literal",value:"->",description:'"->"'},peg$c33=function(rhs,rest){var result=[rhs];if(rest){for(var i=0;i<rest.length;++i){result.push(rest[i])}}return result},peg$c34=function(k,v){var result={};result[k]=v[3];return result},peg$c35=function(id){return{type:"node",id:id,attrs:{}}},peg$c36=function(id){return id},peg$c37=":",peg$c38={type:"literal",value:":",description:'":"'},peg$c39="ne",peg$c40={type:"literal",value:"ne",description:'"ne"'},peg$c41="se",peg$c42={type:"literal",value:"se",description:'"se"'},peg$c43="sw",peg$c44={type:"literal",value:"sw",description:'"sw"'},peg$c45="nw",peg$c46={type:"literal",value:"nw",description:'"nw"'},peg$c47="n",peg$c48={type:"literal",value:"n",description:'"n"'},peg$c49="e",peg$c50={type:"literal",value:"e",description:'"e"'},peg$c51="s",peg$c52={type:"literal",value:"s",description:'"s"'},peg$c53="w",peg$c54={type:"literal",value:"w",description:'"w"'},peg$c55="c",peg$c56={type:"literal",value:"c",description:'"c"'},peg$c57="_",peg$c58={type:"literal",value:"_",description:'"_"'},peg$c59={type:"other",description:"identifier"},peg$c60=/^[a-zA-Z\u0200-\u0377_]/,peg$c61={type:"class",value:"[a-zA-Z\\u0200-\\u0377_]",description:"[a-zA-Z\\u0200-\\u0377_]"},peg$c62=/^[a-zA-Z\u0200-\u0377_0-9]/,peg$c63={type:"class",value:"[a-zA-Z\\u0200-\\u0377_0-9]",description:"[a-zA-Z\\u0200-\\u0377_0-9]"},peg$c64=function(fst,rest){return fst+rest.join("")},peg$c65="-",peg$c66={type:"literal",value:"-",description:'"-"'},peg$c67=".",peg$c68={type:"literal",value:".",description:'"."'},peg$c69=/^[0-9]/,peg$c70={type:"class",value:"[0-9]",description:"[0-9]"},peg$c71=function(sign,dot,after){return(sign||"")+dot+after.join("")},peg$c72=function(sign,before,after){return(sign||"")+before.join("")+(after?after[0]:"")+(after?after[1].join(""):"")},peg$c73='"',peg$c74={type:"literal",value:'"',description:'"\\""'},peg$c75='\\"',peg$c76={type:"literal",value:'\\"',description:'"\\\\\\""'},peg$c77=function(){return'"'},peg$c78="\\",peg$c79={type:"literal",value:"\\",description:'"\\\\"'},peg$c80=/^[^"]/,peg$c81={type:"class",value:'[^"]',description:'[^"]'},peg$c82=function(ch){return"\\"+ch},peg$c83=function(id){return id.join("")},peg$c84="node",peg$c85={type:"literal",value:"node",description:'"node"'},peg$c86=function(k){return k.toLowerCase()},peg$c87="edge",peg$c88={type:"literal",value:"edge",description:'"edge"'},peg$c89="graph",peg$c90={type:"literal",value:"graph",description:'"graph"'},peg$c91="digraph",peg$c92={type:"literal",value:"digraph",description:'"digraph"'},peg$c93="subgraph",peg$c94={type:"literal",value:"subgraph",description:'"subgraph"'},peg$c95="strict",peg$c96={type:"literal",value:"strict",description:'"strict"'},peg$c97=function(graph){directed=graph==="digraph";return graph},peg$c98={type:"other",description:"whitespace"},peg$c99=/^[ \t\r\n]/,peg$c100={type:"class",value:"[ \\t\\r\\n]",description:"[ \\t\\r\\n]"},peg$c101={type:"other",description:"comment"},peg$c102="//",peg$c103={type:"literal",value:"//",description:'"//"'},peg$c104=/^[^\n]/,peg$c105={type:"class",value:"[^\\n]",description:"[^\\n]"},peg$c106="/*",peg$c107={type:"literal",value:"/*",description:'"/*"'},peg$c108="*/",peg$c109={type:"literal",value:"*/",description:'"*/"'},peg$c110={type:"any",description:"any character"},peg$currPos=0,peg$reportedPos=0,peg$cachedPos=0,peg$cachedPosDetails={line:1,column:1,seenCR:false},peg$maxFailPos=0,peg$maxFailExpected=[],peg$silentFails=0,peg$result;if("startRule"in options){if(!(options.startRule in peg$startRuleFunctions)){throw new Error("Can't start parsing from rule \""+options.startRule+'".')}peg$startRuleFunction=peg$startRuleFunctions[options.startRule]}function text(){return input.substring(peg$reportedPos,peg$currPos)}function offset(){return peg$reportedPos}function line(){return peg$computePosDetails(peg$reportedPos).line}function column(){return peg$computePosDetails(peg$reportedPos).column}function expected(description){throw peg$buildException(null,[{type:"other",description:description}],peg$reportedPos)}function error(message){throw peg$buildException(message,null,peg$reportedPos)}function peg$computePosDetails(pos){function advance(details,startPos,endPos){var p,ch;for(p=startPos;p<endPos;p++){ch=input.charAt(p);if(ch==="\n"){if(!details.seenCR){details.line++}details.column=1;details.seenCR=false}else if(ch==="\r"||ch==="\u2028"||ch==="\u2029"){details.line++;details.column=1;details.seenCR=true}else{details.column++;details.seenCR=false}}}if(peg$cachedPos!==pos){if(peg$cachedPos>pos){peg$cachedPos=0;peg$cachedPosDetails={line:1,column:1,seenCR:false}}advance(peg$cachedPosDetails,peg$cachedPos,pos);peg$cachedPos=pos}return peg$cachedPosDetails}function peg$fail(expected){if(peg$currPos<peg$maxFailPos){return}if(peg$currPos>peg$maxFailPos){peg$maxFailPos=peg$currPos;peg$maxFailExpected=[]}peg$maxFailExpected.push(expected)}function peg$buildException(message,expected,pos){function cleanupExpected(expected){var i=1;expected.sort(function(a,b){if(a.description<b.description){return-1}else if(a.description>b.description){return 1}else{return 0}});while(i<expected.length){if(expected[i-1]===expected[i]){expected.splice(i,1)}else{i++}}}function buildMessage(expected,found){function stringEscape(s){function hex(ch){return ch.charCodeAt(0).toString(16).toUpperCase()}return s.replace(/\\/g,"\\\\").replace(/"/g,'\\"').replace(/\x08/g,"\\b").replace(/\t/g,"\\t").replace(/\n/g,"\\n").replace(/\f/g,"\\f").replace(/\r/g,"\\r").replace(/[\x00-\x07\x0B\x0E\x0F]/g,function(ch){return"\\x0"+hex(ch)}).replace(/[\x10-\x1F\x80-\xFF]/g,function(ch){return"\\x"+hex(ch)}).replace(/[\u0180-\u0FFF]/g,function(ch){return"\\u0"+hex(ch)}).replace(/[\u1080-\uFFFF]/g,function(ch){return"\\u"+hex(ch)})}var expectedDescs=new Array(expected.length),expectedDesc,foundDesc,i;for(i=0;i<expected.length;i++){expectedDescs[i]=expected[i].description}expectedDesc=expected.length>1?expectedDescs.slice(0,-1).join(", ")+" or "+expectedDescs[expected.length-1]:expectedDescs[0];foundDesc=found?'"'+stringEscape(found)+'"':"end of input";return"Expected "+expectedDesc+" but "+foundDesc+" found."}var posDetails=peg$computePosDetails(pos),found=pos<input.length?input.charAt(pos):null;if(expected!==null){cleanupExpected(expected)}return new SyntaxError(message!==null?message:buildMessage(expected,found),expected,found,pos,posDetails.line,posDetails.column)}function peg$parsestart(){var s0,s1;s0=[];s1=peg$parsegraphStmt();if(s1!==peg$FAILED){while(s1!==peg$FAILED){s0.push(s1);s1=peg$parsegraphStmt()}}else{s0=peg$c1}return s0}function peg$parsegraphStmt(){var s0,s1,s2,s3,s4,s5,s6,s7,s8,s9,s10,s11,s12,s13;s0=peg$currPos;s1=[];s2=peg$parse_();while(s2!==peg$FAILED){s1.push(s2);s2=peg$parse_()}if(s1!==peg$FAILED){s2=peg$currPos;s3=peg$parsestrict();if(s3!==peg$FAILED){s4=peg$parse_();if(s4!==peg$FAILED){s3=[s3,s4];s2=s3}else{peg$currPos=s2;s2=peg$c1}}else{peg$currPos=s2;s2=peg$c1}if(s2===peg$FAILED){s2=peg$c2}if(s2!==peg$FAILED){s3=peg$parsegraphType();if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseid();if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){if(input.charCodeAt(peg$currPos)===123){s7=peg$c3;peg$currPos++}else{s7=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c4)}}if(s7!==peg$FAILED){s8=[];s9=peg$parse_();while(s9!==peg$FAILED){s8.push(s9);s9=peg$parse_()}if(s8!==peg$FAILED){s9=peg$parsestmtList();if(s9===peg$FAILED){s9=peg$c2}if(s9!==peg$FAILED){s10=[];s11=peg$parse_();while(s11!==peg$FAILED){s10.push(s11);s11=peg$parse_()}if(s10!==peg$FAILED){if(input.charCodeAt(peg$currPos)===125){s11=peg$c5;peg$currPos++}else{s11=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c6)}}if(s11!==peg$FAILED){s12=[];s13=peg$parse_();while(s13!==peg$FAILED){s12.push(s13);s13=peg$parse_()}if(s12!==peg$FAILED){peg$reportedPos=s0;s1=peg$c7(s2,s3,s5,s9);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsestmtList(){var s0,s1,s2,s3,s4,s5,s6,s7,s8,s9;s0=peg$currPos;s1=peg$parsestmt();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===59){s3=peg$c8;peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c9)}}if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){s4=[];s5=peg$currPos;s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s7=peg$parsestmt();if(s7!==peg$FAILED){s8=[];s9=peg$parse_();while(s9!==peg$FAILED){s8.push(s9);s9=peg$parse_()}if(s8!==peg$FAILED){if(input.charCodeAt(peg$currPos)===59){s9=peg$c8;peg$currPos++}else{s9=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c9)}}if(s9===peg$FAILED){s9=peg$c2}if(s9!==peg$FAILED){s6=[s6,s7,s8,s9];s5=s6}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}while(s5!==peg$FAILED){s4.push(s5);s5=peg$currPos;s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s7=peg$parsestmt();if(s7!==peg$FAILED){s8=[];s9=peg$parse_();while(s9!==peg$FAILED){s8.push(s9);s9=peg$parse_()}if(s8!==peg$FAILED){if(input.charCodeAt(peg$currPos)===59){s9=peg$c8;peg$currPos++}else{s9=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c9)}}if(s9===peg$FAILED){s9=peg$c2}if(s9!==peg$FAILED){s6=[s6,s7,s8,s9];s5=s6}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}if(s4!==peg$FAILED){peg$reportedPos=s0;s1=peg$c10(s1,s4);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsestmt(){var s0;s0=peg$parseattrStmt();if(s0===peg$FAILED){s0=peg$parseedgeStmt();if(s0===peg$FAILED){s0=peg$parsesubgraphStmt();if(s0===peg$FAILED){s0=peg$parseinlineAttrStmt();if(s0===peg$FAILED){s0=peg$parsenodeStmt()}}}}return s0}function peg$parseattrStmt(){var s0,s1,s2,s3;s0=peg$currPos;s1=peg$parsegraph();if(s1===peg$FAILED){s1=peg$parsenode();if(s1===peg$FAILED){s1=peg$parseedge()}}if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseattrList();if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c11(s1,s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseinlineAttrStmt(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$parseid();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===61){s3=peg$c12;peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c13)}}if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseid();if(s5!==peg$FAILED){peg$reportedPos=s0;s1=peg$c14(s1,s5);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsenodeStmt(){var s0,s1,s2,s3;s0=peg$currPos;s1=peg$parsenodeId();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseattrList();if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c15(s1,s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseedgeStmt(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$parsenodeIdOrSubgraph();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseedgeRHS();if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseattrList();if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){peg$reportedPos=s0;s1=peg$c16(s1,s3,s5);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsesubgraphStmt(){var s0,s1,s2,s3,s4,s5,s6,s7;s0=peg$currPos;s1=peg$currPos;s2=peg$parsesubgraph();if(s2!==peg$FAILED){s3=[];s4=peg$parse_();while(s4!==peg$FAILED){s3.push(s4);s4=peg$parse_()}if(s3!==peg$FAILED){s4=peg$currPos;s5=peg$parseid();if(s5!==peg$FAILED){s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s5=[s5,s6];s4=s5}else{peg$currPos=s4;s4=peg$c1}}else{peg$currPos=s4;s4=peg$c1}if(s4===peg$FAILED){s4=peg$c2}if(s4!==peg$FAILED){s2=[s2,s3,s4];s1=s2}else{peg$currPos=s1;s1=peg$c1}}else{peg$currPos=s1;s1=peg$c1}}else{peg$currPos=s1;s1=peg$c1}if(s1===peg$FAILED){s1=peg$c2}if(s1!==peg$FAILED){if(input.charCodeAt(peg$currPos)===123){s2=peg$c3;peg$currPos++}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c4)}}if(s2!==peg$FAILED){s3=[];s4=peg$parse_();while(s4!==peg$FAILED){s3.push(s4);s4=peg$parse_()}if(s3!==peg$FAILED){s4=peg$parsestmtList();if(s4===peg$FAILED){s4=peg$c2}if(s4!==peg$FAILED){s5=[];s6=peg$parse_();while(s6!==peg$FAILED){s5.push(s6);s6=peg$parse_()}if(s5!==peg$FAILED){if(input.charCodeAt(peg$currPos)===125){s6=peg$c5;peg$currPos++}else{s6=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c6)}}if(s6!==peg$FAILED){peg$reportedPos=s0;s1=peg$c17(s1,s4);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseattrList(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$parseattrListBlock();if(s1!==peg$FAILED){s2=[];s3=peg$currPos;s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseattrListBlock();if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseattrListBlock();if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}if(s2!==peg$FAILED){peg$reportedPos=s0;s1=peg$c18(s1,s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseattrListBlock(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;if(input.charCodeAt(peg$currPos)===91){s1=peg$c19;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c20)}}if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseaList();if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){if(input.charCodeAt(peg$currPos)===93){s5=peg$c21;peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c22)}}if(s5!==peg$FAILED){peg$reportedPos=s0;s1=peg$c23(s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseaList(){var s0,s1,s2,s3,s4,s5,s6,s7;s0=peg$currPos;s1=peg$parseidDef();if(s1!==peg$FAILED){s2=[];s3=peg$currPos;s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){if(input.charCodeAt(peg$currPos)===44){s5=peg$c24;peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c25)}}if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s7=peg$parseidDef();if(s7!==peg$FAILED){s4=[s4,s5,s6,s7];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){if(input.charCodeAt(peg$currPos)===44){s5=peg$c24;peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c25)}}if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){s6=[];s7=peg$parse_();while(s7!==peg$FAILED){s6.push(s7);s7=peg$parse_()}if(s6!==peg$FAILED){s7=peg$parseidDef();if(s7!==peg$FAILED){s4=[s4,s5,s6,s7];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}if(s2!==peg$FAILED){peg$reportedPos=s0;s1=peg$c26(s1,s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseedgeRHS(){var s0,s1,s2,s3,s4,s5;s0=peg$currPos;s1=peg$currPos;if(input.substr(peg$currPos,2)===peg$c27){s2=peg$c27;peg$currPos+=2}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c28)}}if(s2!==peg$FAILED){peg$reportedPos=peg$currPos;s3=peg$c29();if(s3){s3=peg$c1}else{s3=peg$c30}if(s3!==peg$FAILED){s2=[s2,s3];s1=s2}else{peg$currPos=s1;s1=peg$c1}}else{peg$currPos=s1;s1=peg$c1}if(s1===peg$FAILED){s1=peg$currPos;if(input.substr(peg$currPos,2)===peg$c31){s2=peg$c31;peg$currPos+=2}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c32)}}if(s2!==peg$FAILED){peg$reportedPos=peg$currPos;s3=peg$c29();if(s3){s3=peg$c30}else{s3=peg$c1}if(s3!==peg$FAILED){s2=[s2,s3];s1=s2}else{peg$currPos=s1;s1=peg$c1}}else{peg$currPos=s1;s1=peg$c1}}if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parsenodeIdOrSubgraph();if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$parseedgeRHS();if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){peg$reportedPos=s0;s1=peg$c33(s3,s5);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseidDef(){var s0,s1,s2,s3,s4,s5,s6;s0=peg$currPos;s1=peg$parseid();if(s1!==peg$FAILED){s2=peg$currPos;s3=[];s4=peg$parse_();while(s4!==peg$FAILED){s3.push(s4);s4=peg$parse_()}if(s3!==peg$FAILED){if(input.charCodeAt(peg$currPos)===61){s4=peg$c12;peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c13)}}if(s4!==peg$FAILED){s5=[];s6=peg$parse_();while(s6!==peg$FAILED){s5.push(s6);s6=peg$parse_()}if(s5!==peg$FAILED){s6=peg$parseid();if(s6!==peg$FAILED){s3=[s3,s4,s5,s6];s2=s3}else{peg$currPos=s2;s2=peg$c1}}else{peg$currPos=s2;s2=peg$c1}}else{peg$currPos=s2;s2=peg$c1}}else{peg$currPos=s2;s2=peg$c1}if(s2===peg$FAILED){s2=peg$c2}if(s2!==peg$FAILED){peg$reportedPos=s0;s1=peg$c34(s1,s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsenodeIdOrSubgraph(){var s0,s1;s0=peg$parsesubgraphStmt();if(s0===peg$FAILED){s0=peg$currPos;s1=peg$parsenodeId();if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c35(s1)}s0=s1}return s0}function peg$parsenodeId(){var s0,s1,s2,s3;s0=peg$currPos;s1=peg$parseid();if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseport();if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c36(s1);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parseport(){var s0,s1,s2,s3,s4,s5,s6,s7,s8;s0=peg$currPos;if(input.charCodeAt(peg$currPos)===58){s1=peg$c37;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c38)}}if(s1!==peg$FAILED){s2=[];s3=peg$parse_();while(s3!==peg$FAILED){s2.push(s3);s3=peg$parse_()}if(s2!==peg$FAILED){s3=peg$parseid();if(s3!==peg$FAILED){s4=[];s5=peg$parse_();while(s5!==peg$FAILED){s4.push(s5);s5=peg$parse_()}if(s4!==peg$FAILED){s5=peg$currPos;if(input.charCodeAt(peg$currPos)===58){s6=peg$c37;peg$currPos++}else{s6=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c38)}}if(s6!==peg$FAILED){s7=[];s8=peg$parse_();while(s8!==peg$FAILED){s7.push(s8);s8=peg$parse_()}if(s7!==peg$FAILED){s8=peg$parsecompassPt();if(s8!==peg$FAILED){s6=[s6,s7,s8];s5=s6}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}}else{peg$currPos=s5;s5=peg$c1}if(s5===peg$FAILED){s5=peg$c2}if(s5!==peg$FAILED){s1=[s1,s2,s3,s4,s5];s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}return s0}function peg$parsecompassPt(){var s0;if(input.substr(peg$currPos,2)===peg$c39){s0=peg$c39;peg$currPos+=2}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c40)}}if(s0===peg$FAILED){if(input.substr(peg$currPos,2)===peg$c41){s0=peg$c41;peg$currPos+=2}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c42)}}if(s0===peg$FAILED){if(input.substr(peg$currPos,2)===peg$c43){s0=peg$c43;peg$currPos+=2}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c44)}}if(s0===peg$FAILED){if(input.substr(peg$currPos,2)===peg$c45){s0=peg$c45;peg$currPos+=2}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c46)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===110){s0=peg$c47;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c48)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===101){s0=peg$c49;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c50)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===115){s0=peg$c51;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c52)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===119){s0=peg$c53;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c54)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===99){s0=peg$c55;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c56)}}if(s0===peg$FAILED){if(input.charCodeAt(peg$currPos)===95){s0=peg$c57;peg$currPos++}else{s0=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c58)}}}}}}}}}}}return s0}function peg$parseid(){var s0,s1,s2,s3,s4,s5,s6;peg$silentFails++;s0=peg$currPos;if(peg$c60.test(input.charAt(peg$currPos))){s1=input.charAt(peg$currPos);peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c61)}}if(s1!==peg$FAILED){s2=[];if(peg$c62.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c63)}}while(s3!==peg$FAILED){s2.push(s3);if(peg$c62.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c63)}}}if(s2!==peg$FAILED){peg$reportedPos=s0;s1=peg$c64(s1,s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}if(s0===peg$FAILED){s0=peg$currPos;if(input.charCodeAt(peg$currPos)===45){s1=peg$c65;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c66)}}if(s1===peg$FAILED){s1=peg$c2}if(s1!==peg$FAILED){if(input.charCodeAt(peg$currPos)===46){s2=peg$c67;peg$currPos++}else{s2=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c68)}}if(s2!==peg$FAILED){s3=[];if(peg$c69.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}if(s4!==peg$FAILED){while(s4!==peg$FAILED){s3.push(s4);if(peg$c69.test(input.charAt(peg$currPos))){s4=input.charAt(peg$currPos);peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}}}else{s3=peg$c1}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c71(s1,s2,s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}if(s0===peg$FAILED){s0=peg$currPos;if(input.charCodeAt(peg$currPos)===45){s1=peg$c65;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c66)}}if(s1===peg$FAILED){s1=peg$c2}if(s1!==peg$FAILED){s2=[];if(peg$c69.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}if(s3!==peg$FAILED){while(s3!==peg$FAILED){s2.push(s3);if(peg$c69.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}}}else{s2=peg$c1}if(s2!==peg$FAILED){s3=peg$currPos;if(input.charCodeAt(peg$currPos)===46){s4=peg$c67;peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c68)}}if(s4!==peg$FAILED){s5=[];if(peg$c69.test(input.charAt(peg$currPos))){s6=input.charAt(peg$currPos);peg$currPos++}else{s6=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}while(s6!==peg$FAILED){s5.push(s6);if(peg$c69.test(input.charAt(peg$currPos))){s6=input.charAt(peg$currPos);peg$currPos++}else{s6=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c70)}}}if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}if(s3===peg$FAILED){s3=peg$c2}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c72(s1,s2,s3);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}if(s0===peg$FAILED){s0=peg$currPos;if(input.charCodeAt(peg$currPos)===34){s1=peg$c73;peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c74)}}if(s1!==peg$FAILED){s2=[];s3=peg$currPos;if(input.substr(peg$currPos,2)===peg$c75){s4=peg$c75;peg$currPos+=2}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c76)}}if(s4!==peg$FAILED){peg$reportedPos=s3;s4=peg$c77()}s3=s4;if(s3===peg$FAILED){s3=peg$currPos;if(input.charCodeAt(peg$currPos)===92){s4=peg$c78;peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c79)}}if(s4!==peg$FAILED){if(peg$c80.test(input.charAt(peg$currPos))){s5=input.charAt(peg$currPos);peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c81)}}if(s5!==peg$FAILED){peg$reportedPos=s3;s4=peg$c82(s5);s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}if(s3===peg$FAILED){if(peg$c80.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c81)}}}}while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;if(input.substr(peg$currPos,2)===peg$c75){s4=peg$c75;peg$currPos+=2}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c76)}}if(s4!==peg$FAILED){peg$reportedPos=s3;s4=peg$c77()}s3=s4;if(s3===peg$FAILED){s3=peg$currPos;if(input.charCodeAt(peg$currPos)===92){s4=peg$c78;peg$currPos++}else{s4=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c79)}}if(s4!==peg$FAILED){if(peg$c80.test(input.charAt(peg$currPos))){s5=input.charAt(peg$currPos);peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c81)}}if(s5!==peg$FAILED){peg$reportedPos=s3;s4=peg$c82(s5);s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}if(s3===peg$FAILED){if(peg$c80.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c81)}}}}}if(s2!==peg$FAILED){if(input.charCodeAt(peg$currPos)===34){s3=peg$c73;peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c74)}}if(s3!==peg$FAILED){peg$reportedPos=s0;s1=peg$c83(s2);s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}}}peg$silentFails--;if(s0===peg$FAILED){s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c59)}}return s0}function peg$parsenode(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,4).toLowerCase()===peg$c84){s1=input.substr(peg$currPos,4);peg$currPos+=4}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c85)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parseedge(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,4).toLowerCase()===peg$c87){s1=input.substr(peg$currPos,4);peg$currPos+=4}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c88)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsegraph(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,5).toLowerCase()===peg$c89){s1=input.substr(peg$currPos,5);peg$currPos+=5}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c90)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsedigraph(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,7).toLowerCase()===peg$c91){s1=input.substr(peg$currPos,7);peg$currPos+=7}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c92)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsesubgraph(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,8).toLowerCase()===peg$c93){s1=input.substr(peg$currPos,8);peg$currPos+=8}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c94)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsestrict(){var s0,s1;s0=peg$currPos;if(input.substr(peg$currPos,6).toLowerCase()===peg$c95){s1=input.substr(peg$currPos,6);peg$currPos+=6}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c96)}}if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c86(s1)}s0=s1;return s0}function peg$parsegraphType(){var s0,s1;s0=peg$parsegraph();if(s0===peg$FAILED){s0=peg$currPos;s1=peg$parsedigraph();if(s1!==peg$FAILED){peg$reportedPos=s0;s1=peg$c97(s1)}s0=s1}return s0}function peg$parsewhitespace(){var s0,s1;peg$silentFails++;s0=[];if(peg$c99.test(input.charAt(peg$currPos))){s1=input.charAt(peg$currPos);peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c100)}}if(s1!==peg$FAILED){while(s1!==peg$FAILED){s0.push(s1);if(peg$c99.test(input.charAt(peg$currPos))){s1=input.charAt(peg$currPos);peg$currPos++}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c100)}}}}else{s0=peg$c1}peg$silentFails--;if(s0===peg$FAILED){s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c98)}}return s0}function peg$parsecomment(){var s0,s1,s2,s3,s4,s5;peg$silentFails++;s0=peg$currPos;if(input.substr(peg$currPos,2)===peg$c102){s1=peg$c102;peg$currPos+=2}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c103)}}if(s1!==peg$FAILED){s2=[];if(peg$c104.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c105)}}while(s3!==peg$FAILED){s2.push(s3);if(peg$c104.test(input.charAt(peg$currPos))){s3=input.charAt(peg$currPos);peg$currPos++}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c105)}}}if(s2!==peg$FAILED){s1=[s1,s2];s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}if(s0===peg$FAILED){s0=peg$currPos;if(input.substr(peg$currPos,2)===peg$c106){s1=peg$c106;peg$currPos+=2}else{s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c107)}}if(s1!==peg$FAILED){s2=[];s3=peg$currPos;s4=peg$currPos;peg$silentFails++;if(input.substr(peg$currPos,2)===peg$c108){s5=peg$c108;peg$currPos+=2}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c109)}}peg$silentFails--;if(s5===peg$FAILED){s4=peg$c30}else{peg$currPos=s4;s4=peg$c1}if(s4!==peg$FAILED){if(input.length>peg$currPos){s5=input.charAt(peg$currPos);peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c110)}}if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}while(s3!==peg$FAILED){s2.push(s3);s3=peg$currPos;s4=peg$currPos;peg$silentFails++;if(input.substr(peg$currPos,2)===peg$c108){s5=peg$c108;peg$currPos+=2}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c109)}}peg$silentFails--;if(s5===peg$FAILED){s4=peg$c30}else{peg$currPos=s4;s4=peg$c1}if(s4!==peg$FAILED){if(input.length>peg$currPos){s5=input.charAt(peg$currPos);peg$currPos++}else{s5=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c110)}}if(s5!==peg$FAILED){s4=[s4,s5];s3=s4}else{peg$currPos=s3;s3=peg$c1}}else{peg$currPos=s3;s3=peg$c1}}if(s2!==peg$FAILED){if(input.substr(peg$currPos,2)===peg$c108){s3=peg$c108;peg$currPos+=2}else{s3=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c109)}}if(s3!==peg$FAILED){s1=[s1,s2,s3];s0=s1}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}else{peg$currPos=s0;s0=peg$c1}}peg$silentFails--;if(s0===peg$FAILED){s1=peg$FAILED;if(peg$silentFails===0){peg$fail(peg$c101)}}return s0}function peg$parse_(){var s0;s0=peg$parsewhitespace();if(s0===peg$FAILED){s0=peg$parsecomment()}return s0}var directed;peg$result=peg$startRuleFunction();if(peg$result!==peg$FAILED&&peg$currPos===input.length){return peg$result}else{if(peg$result!==peg$FAILED&&peg$currPos<input.length){peg$fail({type:"end",description:"end of input"})}throw peg$buildException(null,peg$maxFailExpected,peg$maxFailPos)}}return{SyntaxError:SyntaxError,parse:parse}}()},{}],5:[function(require,module,exports){var grammar=require("./dot-grammar");var buildGraph=require("./build-graph");module.exports=function readMany(str){var parseTree=grammar.parse(str);return parseTree.map(buildGraph)}},{"./build-graph":3,"./dot-grammar":4}],6:[function(require,module,exports){var grammar=require("./dot-grammar");var buildGraph=require("./build-graph");module.exports=function readOne(str){var parseTree=grammar.parse(str,{startRule:"graphStmt"});return buildGraph(parseTree)}},{"./build-graph":3,"./dot-grammar":4}],7:[function(require,module,exports){module.exports="1.0.2"},{}],8:[function(require,module,exports){module.exports=writeOne;var UNESCAPED_ID_PATTERN=/^[a-zA-Z\200-\377_][a-zA-Z\200-\377_0-9]*$/;function writeOne(g){var ec=g.isDirected()?"->":"--";var writer=new Writer;if(!g.isMultigraph()){writer.write("strict ")}writer.writeLine((g.isDirected()?"digraph":"graph")+" {");writer.indent();var graphAttrs=g.graph();if(typeof graphAttrs==="object"){Object.entries(graphAttrs).forEach(([k,v])=>{writer.writeLine(id(k)+"="+id(v)+";")})}writeSubgraph(g,undefined,writer);g.edges().forEach(function(edge){writeEdge(g,edge,ec,writer)});writer.unindent();writer.writeLine("}");return writer.toString()}function writeSubgraph(g,v,writer){var children=g.isCompound()?g.children(v):g.nodes();children.forEach(w=>{if(!g.isCompound()||!g.children(w).length){writeNode(g,w,writer)}else{writer.writeLine("subgraph "+id(w)+" {");writer.indent();if(typeof g.node(w)==="object"){Object.entries(g.node(w)).map(([key,val])=>{writer.writeLine(id(key)+"="+id(val)+";")})}writeSubgraph(g,w,writer);writer.unindent();writer.writeLine("}")}})}function writeNode(g,v,writer){writer.write(id(v));writeAttrs(g.node(v),writer);writer.writeLine()}function writeEdge(g,edge,ec,writer){var v=edge.v;var w=edge.w;var attrs=g.edge(edge);writer.write(id(v)+" "+ec+" "+id(w));writeAttrs(attrs,writer);writer.writeLine()}function writeAttrs(attrs,writer){if(typeof attrs==="object"){var attrStrs=Object.entries(attrs).map(([key,val])=>id(key)+"="+id(val));if(attrStrs.length){writer.write(" ["+attrStrs.join(",")+"]")}}}function id(obj){if(typeof obj==="number"||obj.toString().match(UNESCAPED_ID_PATTERN)){return obj}return'"'+obj.toString().replace(/"/g,'\\"')+'"'}
 // Helper object for making a pretty printer
 function Writer(){this._indent="";this._content="";this._shouldIndent=true}Writer.prototype.INDENT="  ";Writer.prototype.indent=function(){this._indent+=this.INDENT};Writer.prototype.unindent=function(){this._indent=this._indent.slice(this.INDENT.length)};Writer.prototype.writeLine=function(line){this.write((line||"")+"\n");this._shouldIndent=true};Writer.prototype.write=function(str){if(this._shouldIndent){this._shouldIndent=false;this._content+=this._indent}this._content+=str};Writer.prototype.toString=function(){return this._content}},{}],9:[function(require,module,exports){
 /**
diff --git a/lib/version.js b/lib/version.js
index 6c91d4f..229c761 100644
--- a/lib/version.js
+++ b/lib/version.js
@@ -1 +1 @@
-module.exports = '1.0.1-pre';
+module.exports = '1.0.2';
diff --git a/package-lock.json b/package-lock.json
index 6b1c075..b15e63e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@dagrejs/graphlib-dot",
-  "version": "1.0.1-pre",
+  "version": "1.0.2",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@dagrejs/graphlib-dot",
-      "version": "1.0.1-pre",
+      "version": "1.0.2",
       "license": "MIT",
       "dependencies": {
         "@dagrejs/graphlib": "2.1.13"