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@ -1,24 +1,42 @@ |
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var SolidityParser = require("solidity-parser"); |
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// var SolidityParser = require("solidity-parser");
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var solparse = require("solparse"); |
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var fs = require('fs'); |
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var path = require("path"); |
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module.exports = function(pathToFile, instrument){ |
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var result = SolidityParser.parseFile("./" + pathToFile); |
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// var result = SolidityParser.parseFile("./" + pathToFile);
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var contract = fs.readFileSync("./" + pathToFile).toString(); |
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var result = solparse.parse(contract); |
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var instrumented = ""; |
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const __INDENTATION__ = " "; |
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var parse = {}; |
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var runnableLines=[]; |
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var linecount = 1; |
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var fileName = path.basename(pathToFile); |
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var dottable = ['msg', 'tx', 'this']; |
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var dottable = ['msg', 'tx', 'this', 'bytes']; |
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function addInstrumentationEvent(){ |
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runnableLines.push(linecount); |
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return "Coverage('" + fileName + "'," + linecount + ");\n"; |
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} |
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parse["AssignmentExpression"] = function (expression){ |
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parse["AssignmentExpression"] = function (expression, instrument){ |
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if (instrument){ retval += addInstrumentationEvent(); } |
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var retval = ""; |
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retval += parse[expression.left.type](expression.left); |
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retval += parse[expression.left.type](expression.left, instrument); |
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retval += expression.operator; |
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retval += parse[expression.right.type](expression.right); |
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retval += parse[expression.right.type](expression.right, instrument) + ';'; |
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if (dottable.indexOf(expression.right.name)>=0){ |
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dottable.push(expression.left.name); |
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} |
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return retval; |
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} |
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parse["ConditionalExpression"] = function(expression){ |
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return parse[expression.test.left.type](expression.test.left) + expression.test.operator + parse[expression.test.right.type](expression.test.right) + '?' + parse[expression.consequent.type](expression.consequent) + ":" + parse[expression.alternate.type](expression.alternate); |
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} |
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parse["Identifier"] = function(expression){ |
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return expression.name; |
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} |
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@ -28,37 +46,91 @@ module.exports = function(pathToFile, instrument){ |
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} |
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parse["Literal"] = function(expression){ |
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return expression.value; |
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if (typeof expression.value==='string' && expression.value.slice(0,2)!=="0x"){ |
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return '"' + expression.value + '"'; |
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}else{ |
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return expression.value; |
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} |
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} |
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parse["ModifierName"] = function(expression){ |
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var retvalue = expression.name |
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if (expression.params && expression.params.length>0){ |
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retvalue += '('; |
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for (x in expression.params){ |
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var param = expression.params[x]; |
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retvalue += param.literal.literal + ', '; |
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} |
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retvalue = retvalue.slice(0,-2); |
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retvalue += ')'; |
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} |
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return retvalue; |
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}; |
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parse["Modifiers"] = function(modifiers){ |
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retvalue = ""; |
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var retModifier = null; |
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var constModifier = null; |
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for (x in modifiers){ |
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if (modifiers[x].name==='returns'){ |
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retModifier = x; |
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continue; |
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}else if (modifiers[x].name==='constant'){ |
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constModifier = x; |
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}else{ |
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console.log('unknown modifier: ', modifiers[x]); |
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retvalue+=parse[modifiers[x].type](modifiers[x]); |
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retvalue += ' '; |
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} |
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} |
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if (constModifier) {retvalue += 'constant '}; |
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if (retModifier){ |
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retvalue += ' returns (' |
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retvalue += ' returns '; |
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retvalue += ' ('; |
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for (p in modifiers[retModifier].params){ |
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param = modifiers[retModifier].params[p]; |
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retvalue+= parse[param.type](param); |
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retvalue += ', '; |
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} |
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retvalue = retvalue.slice(0,-2); |
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retvalue +=')'; |
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} |
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return retvalue; |
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} |
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parse["ReturnStatement"] = function(expression){ |
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return 'return ' + parse[expression.argument.type](expression.argument) + ';'; |
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parse["ThisExpression"] = function(expression){ |
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return 'this' |
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} |
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parse["ReturnStatement"] = function(expression, instrument){ |
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var retval = ""; |
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if (instrument){ retval += addInstrumentationEvent(); } |
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return retval + 'return ' + parse[expression.argument.type](expression.argument, instrument) + ';'; |
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} |
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parse["NewExpression"] = function(expression){ |
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var retval = 'new ' + parse[expression.callee.type](expression.callee); |
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retval += '('; |
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for (x in expression.arguments){ |
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retval += parse[expression.arguments[x].type](expression.arguments[x]) + ", " |
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} |
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if (expression.arguments && expression.arguments.length){ |
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retval = retval.slice(0,-2); |
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} |
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retval+=")" |
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return retval |
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} |
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parse["MemberExpression"] = function (expression){ |
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if (dottable.indexOf(expression.object.name)>-1){ |
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// return contract.slice(expression.start, expression.end);
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// var shouldDot = false;
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// if (dottable.indexOf(expression.object.name)>=0){shouldDot = true;}
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// if (expression.object.callee){
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// if (dottable.indexOf(expression.object.callee.name)>=0){shouldDot=true;}
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// }
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if (!expression.computed){ |
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return parse[expression.object.type](expression.object) + "." + parse[expression.property.type](expression.property); |
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}else{ |
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return parse[expression.object.type](expression.object) + "[" + parse[expression.property.type](expression.property) + "]"; |
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@ -78,13 +150,58 @@ module.exports = function(pathToFile, instrument){ |
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return retval |
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} |
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parse["UnaryExpression"] = function(expression){ |
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if (expression.operator==='delete'){ |
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return expression.operator + ' ' + parse[expression.argument.type](expression.argument); |
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} |
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return expression.operator + parse[expression.argument.type](expression.argument); |
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} |
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parse["ThrowStatement"] = function(expression, instrument){ |
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var retval = ""; |
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if (instrument){ retval += addInstrumentationEvent(); } |
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return retval + 'throw' |
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} |
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parse["BinaryExpression"] = function(expression){ |
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return parse[expression.left.type](expression.left) + expression.operator + parse[expression.right.type](expression.right); |
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return '(' + parse[expression.left.type](expression.left) + expression.operator + parse[expression.right.type](expression.right) + ')'; |
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} |
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parse["IfStatement"] = function(expression){ |
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var retval = "if ("; |
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retval += parse[expression.test.type](expression.test) + "){" + parse[expression.consequent.type](expression.consequent) + "}"; |
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parse["IfStatement"] = function(expression, instrument){ |
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var retval = ""; |
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if (instrument){ retval += addInstrumentationEvent(); } |
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retval += "if ("; |
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retval += parse[expression.test.type](expression.test, instrument) + "){" |
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retval += newLine('{'); |
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retval += parse[expression.consequent.type](expression.consequent, instrument) |
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retval += newLine(retval.slice(-1)); |
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retval += "}"; |
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if (expression.alternate){ |
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retval += 'else '; |
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if (expression.alternate.type!=="IfStatement"){ |
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retval += '{'; |
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retval += newLine('{'); |
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} |
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retval += parse[expression.alternate.type](expression.alternate, instrument) |
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if (expression.alternate.type!=="IfStatement"){ |
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retval += '}'; |
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retval += newLine('}'); |
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} |
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} |
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return retval; |
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} |
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parse["SequenceExpression"] = function(expression){ |
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retval = "("; |
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for (x in expression.expressions){ |
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retval += parse[expression.expressions[x].type](expression.expressions[x]) + ', '; |
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} |
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if (expression.expressions && expression.expressions.length>0){ |
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//remove trailing comma and space if needed
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retval = retval.slice(0,-2); |
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} |
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retval += ')'; |
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return retval; |
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} |
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@ -93,18 +210,31 @@ module.exports = function(pathToFile, instrument){ |
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return 'import "' + expression.from + '"'; |
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} |
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parse["ExpressionStatement"] = function(content){ |
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if (content.expression.type==="AssignmentExpression"){ |
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return parse["AssignmentExpression"](content.expression); |
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}else if (content.expression.type==="CallExpression"){ |
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return parse["CallExpression"](content.expression); |
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}else if(content.expression.literal.literal.type==="MappingExpression"){ |
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return 'mapping (' + content.expression.literal.literal.from.literal + ' => ' + content.expression.literal.literal.to.literal + ') '+ content.expression.name; |
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}else{ |
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console.log(content); |
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parse["DeclarativeExpression"] = function(expression){ |
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return expression.literal.literal + ' ' + (expression.is_public ? "public " : "") + (expression.is_constant ? "constant " : "") + expression.name; |
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} |
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parse["ExpressionStatement"] = function(content, instrument){ |
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var retval = ""; |
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if (instrument){ retval += addInstrumentationEvent(); } |
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if (content.expression.literal && content.expression.literal.literal && content.expression.literal.literal.type==="MappingExpression"){ |
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return retval + 'mapping (' + content.expression.literal.literal.from.literal + ' => ' + content.expression.literal.literal.to.literal + ') '+ content.expression.name; |
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}else { |
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return retval + parse[content.expression.type](content.expression); |
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} |
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} |
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parse["EnumDeclaration"] = function(expression){ |
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var retvalue = 'enum ' + expression.name + ' {'; |
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dottable.push(expression.name); |
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for (x in expression.members){ |
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retvalue += expression.members[x] + ', '; |
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} |
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retvalue = retvalue.slice(0,-2); |
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retvalue += '}'; |
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return retvalue; |
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} |
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parse["EventDeclaration"]=function(expression){ |
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var retval = 'event ' + expression.name + '('; |
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for (x in expression.params){ |
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@ -119,16 +249,68 @@ module.exports = function(pathToFile, instrument){ |
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return retval |
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} |
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parse["BlockStatement"] = function(expression){ |
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if (expression.body.length>1){ |
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console.log('bigger blockstatement...') |
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parse["VariableDeclarationTuple"] = function(expression){ |
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var retval = ""; |
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if (instrument){ retval += addInstrumentationEvent(); } |
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retval += "var ("; |
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for (x in expression.declarations){ |
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retval += expression.declarations[x].id.name + ', '; |
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} |
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retval = retval.slice(0,-2); |
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retval += ") = "; |
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retval+=parse[expression.init.type](expression.init) |
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return retval; |
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} |
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parse["BlockStatement"] = function(expression, instrument){ |
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var retval = ""; |
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for (var x=0; x < expression.body.length; x++){ |
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retval += parse[expression.body[x].type](expression.body[x], instrument); |
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retval += newLine(retval.slice(-1)); |
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} |
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return retval; |
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} |
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parse["VariableDeclaration"] = function(expression, instrument){ |
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if (expression.declarations.length>1){ |
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console.log('more than one declaration') |
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} |
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retval = ""; |
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if (instrument){ retval += addInstrumentationEvent(); } |
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return retval + "var " + parse[expression.declarations[0].id.type](expression.declarations[0].id) + " = " + parse[expression.declarations[0].init.type](expression.declarations[0].init); |
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} |
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parse["Type"] = function(expression){ |
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return expression.literal; |
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} |
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parse["UsingStatement"] = function(expression){ |
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return "using " + expression.library + " for " + parse[expression.for.type](expression.for) + ";"; |
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} |
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parse["FunctionDeclaration"] = function(expression){ |
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retval = 'function ' + (expression.name ? expression.name : "") + '(' |
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for (x in expression.params){ |
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var param = expression.params[x]; |
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retval += param.literal.literal + ' ' + (param.isIndexed ? 'true' : '') + param.id + ', '; |
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} |
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if (expression.params && expression.params.length>0){ |
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retval = retval.slice(0,-2); |
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} |
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retval += ')'; |
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retval += parse["Modifiers"](expression.modifiers); |
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if (expression.body){ |
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retval+='{' + newLine('{'); |
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retval += parse[expression.body.type](expression.body, instrument); |
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retval+='}' + newLine('}'); |
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} |
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return parse[expression.body[0].type](expression.body[0]); |
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return retval; |
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} |
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function newLine(lastchar){ |
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linecount+=1; |
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if (['}','{',';'].indexOf(lastchar)>-1){ |
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if (['}','{',';','_','\n'].indexOf(lastchar)>-1){ |
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return '\n'; |
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}else{ |
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return ';\n'; |
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@ -141,7 +323,46 @@ module.exports = function(pathToFile, instrument){ |
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function printBody(content, indented, cover){ |
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if (content.body){ |
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if (content.type === "ContractStatement"){ |
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instrumented += 'contract ' + content.name + ' {' + newLine('{'); |
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instrumented += 'contract ' + content.name |
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if (content.is.length>0){ |
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instrumented += ' is ' |
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for (x in content.is){ |
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instrumented += content.is[x].name + ', ' |
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} |
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instrumented = instrumented.slice(0,-2); |
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} |
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instrumented += ' {' + newLine('{'); |
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//Inject our coverage event if we're covering
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if (instrument){ |
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instrumented += "event Coverage(string fileName, uint256 lineNumber);\n"; //We're injecting this, so don't count the newline
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} |
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for (x in content.body){ |
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printBody(content.body[x], indented+1, cover); |
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} |
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instrumented += '}' + newLine('}'); |
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}else if (content.type === "FunctionDeclaration"){ |
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instrumented += parse[content.type](content); |
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// instrumented += __INDENTATION__.repeat(indented) + 'function ' + (content.name ? content.name : "") + '('
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// for (x in content.params){
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// var param = content.params[x];
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// instrumented += param.literal.literal + ' ' + (param.isIndexed ? 'true' : '') + param.id + ', ';
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// if (param.literal.literal==='address'){
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// dottable.push(param.id);
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// }
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// }
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// if (content.params && content.params.length>0){
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// instrumented = instrumented.slice(0,-2);
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// }
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// instrumented += ')';
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// instrumented += parse["Modifiers"](content.modifiers);
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// instrumented+='{' + newLine('{');
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// printBody(content.body, indented+1, instrument);
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// instrumented+=__INDENTATION__.repeat(indented) +'}' + newLine('}');
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}else if (content.type === "LibraryStatement"){ |
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|
instrumented += 'library ' + content.name + ' {' + newLine('{'); |
|
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|
//Inject our coverage event;
|
|
|
|
|
instrumented += "event Coverage(string fileName, uint256 lineNumber);\n"; //We're injecting this, so don't count the newline
|
|
|
|
|
|
|
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|
@ -149,8 +370,8 @@ module.exports = function(pathToFile, instrument){ |
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printBody(content.body[x], indented+1, cover); |
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|
} |
|
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|
instrumented += '}' + newLine('}'); |
|
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|
}else if (content.type === "FunctionDeclaration"){ |
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|
instrumented += __INDENTATION__.repeat(indented) + 'function ' + content.name + '(' |
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|
|
}else if (content.type === "ModifierDeclaration"){ |
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|
|
instrumented += 'modifier ' + content.name + '('; |
|
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|
|
for (x in content.params){ |
|
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|
|
var param = content.params[x]; |
|
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|
instrumented += param.literal.literal + ' ' + (param.isIndexed ? 'true' : '') + param.id + ', '; |
|
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|
@ -158,21 +379,24 @@ module.exports = function(pathToFile, instrument){ |
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|
if (content.params && content.params.length>0){ |
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|
instrumented = instrumented.slice(0,-2); |
|
|
|
|
} |
|
|
|
|
instrumented += ')'; |
|
|
|
|
instrumented += parse["Modifiers"](content.modifiers); |
|
|
|
|
instrumented+='{' + newLine('{'); |
|
|
|
|
printBody(content.body, indented+1, instrument); |
|
|
|
|
instrumented+=__INDENTATION__.repeat(indented) +'}' + newLine('}'); |
|
|
|
|
}else if (content.type === "LibraryStatement"){ |
|
|
|
|
instrumented += 'library ' + content.name + ' {' + newLine('{'); |
|
|
|
|
//Inject our coverage event;
|
|
|
|
|
instrumented += "event Coverage(string fileName, uint256 lineNumber);\n"; //We're injecting this, so don't count the newline
|
|
|
|
|
instrumented += '){'; |
|
|
|
|
instrumented += newLine(instrumented.slice(-1)); |
|
|
|
|
instrumented += parse[content.body.type](content.body, instrument); |
|
|
|
|
instrumented += newLine(instrumented.slice(-1)); |
|
|
|
|
instrumented +='}'; |
|
|
|
|
instrumented += newLine(instrumented.slice(-1)); |
|
|
|
|
|
|
|
|
|
}else if (content.type === "BlockStatement"){ |
|
|
|
|
instrumented += parse['BlockStatement'](content, cover); |
|
|
|
|
}else if (content.type ==="Program"){ |
|
|
|
|
//I don't think we need to do anything here...
|
|
|
|
|
for (x in content.body){ |
|
|
|
|
printBody(content.body[x], indented+1, cover); |
|
|
|
|
printBody(content.body[x], indented, cover); |
|
|
|
|
} |
|
|
|
|
instrumented += '}' + newLine('}'); |
|
|
|
|
|
|
|
|
|
}else{ |
|
|
|
|
console.log(content); |
|
|
|
|
process.exit() |
|
|
|
|
for (x in content.body){ |
|
|
|
|
printBody(content.body[x], indented, cover); |
|
|
|
|
} |
|
|
|
|