Groovyc: antlr.TokenStreamIOException: Did not find four digit hex character code. line: 14 col:24

Groovy编译出错（如下）， 原因是注释中有‘\': //E:\docs\projects，把‘\'改掉即可

Groovyc: antlr.TokenStreamIOException: Did not find four digit hex character code. line: 14 col:24 at org.codehaus.groovy.antlr.parser.GroovyLexer.nextToken(GroovyLexer.java:723) at org.codehaus.groovy.antlr.parser.GroovyLexer$1.nextToken(GroovyLexer.java:258) at antlr.TokenBuffer.fill(TokenBuffer.java:69) at antlr.TokenBuffer.LA(TokenBuffer.java:80) at antlr.LLkParser.LA(LLkParser.java:52) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.postfixExpression(GroovyRecognizer.java:13353) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.unaryExpressionNotPlusMinus(GroovyRecognizer.java:13301) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.powerExpressionNotPlusMinus(GroovyRecognizer.java:13005) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.multiplicativeExpression(GroovyRecognizer.java:12937) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.additiveExpression(GroovyRecognizer.java:12607) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.shiftExpression(GroovyRecognizer.java:9824) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.relationalExpression(GroovyRecognizer.java:12512) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.equalityExpression(GroovyRecognizer.java:12436) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.regexExpression(GroovyRecognizer.java:12384) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.andExpression(GroovyRecognizer.java:12352) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.exclusiveOrExpression(GroovyRecognizer.java:12320) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.inclusiveOrExpression(GroovyRecognizer.java:12288) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.logicalAndExpression(GroovyRecognizer.java:12256) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.logicalOrExpression(GroovyRecognizer.java:12224) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.conditionalExpression(GroovyRecognizer.java:4850) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.assignmentExpression(GroovyRecognizer.java:8027) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.expression(GroovyRecognizer.java:10001) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.strictContextExpression(GroovyRecognizer.java:9239) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.argument(GroovyRecognizer.java:13928) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.argList(GroovyRecognizer.java:6954) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.methodCallArgs(GroovyRecognizer.java:11910) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.pathelement(GroovyRecognizer.java:11491) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.pathExpression(GroovyRecognizer.java:11621) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.postfixExpression(GroovyRecognizer.java:13332) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.unaryExpressionNotPlusMinus(GroovyRecognizer.java:13301) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.powerExpressionNotPlusMinus(GroovyRecognizer.java:13005) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.multiplicativeExpression(GroovyRecognizer.java:12937) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.additiveExpression(GroovyRecognizer.java:12607) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.shiftExpression(GroovyRecognizer.java:9824) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.relationalExpression(GroovyRecognizer.java:12512) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.equalityExpression(GroovyRecognizer.java:12436) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.regexExpression(GroovyRecognizer.java:12384) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.andExpression(GroovyRecognizer.java:12352) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.exclusiveOrExpression(GroovyRecognizer.java:12320) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.inclusiveOrExpression(GroovyRecognizer.java:12288) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.logicalAndExpression(GroovyRecognizer.java:12256) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.logicalOrExpression(GroovyRecognizer.java:12224) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.conditionalExpression(GroovyRecognizer.java:4850) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.assignmentExpression(GroovyRecognizer.java:8027) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.expression(GroovyRecognizer.java:10001) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.expressionStatementNoCheck(GroovyRecognizer.java:8353) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.varInitializer(GroovyRecognizer.java:2682) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.variableDeclarator(GroovyRecognizer.java:7928) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.listofVariables(GroovyRecognizer.java:7882) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.variableDeFinitions(GroovyRecognizer.java:2278) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.declaration(GroovyRecognizer.java:2165) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.statement(GroovyRecognizer.java:1208) at org.codehaus.groovy.antlr.parser.GroovyRecognizer.compilationunit(GroovyRecognizer.java:757) at org.codehaus.groovy.antlr.AntlrParserPlugin.transformCSTIntoAST(AntlrParserPlugin.java:131) at org.codehaus.groovy.antlr.AntlrParserPlugin.parseCST(AntlrParserPlugin.java:108) at org.codehaus.groovy.control.sourceUnit.parse(SourceUnit.java:236) at org.jetbrains.groovy.compiler.rt.GroovycRunner$2.parse(GroovycRunner.java:263) at org.codehaus.groovy.control.compilationunit$1.call(compilationunit.java:163) at org.codehaus.groovy.control.compilationunit.applyToSourceUnits(compilationunit.java:912) at org.codehaus.groovy.control.compilationunit.doPhaSEOperation(compilationunit.java:575) at org.codehaus.groovy.control.compilationunit.processphaSEOperations(compilationunit.java:551) at org.codehaus.groovy.control.compilationunit.compile(compilationunit.java:528) at org.jetbrains.groovy.compiler.rt.GroovyCompilerWrapper.compile(GroovyCompilerWrapper.java:46) at org.jetbrains.groovy.compiler.rt.GroovycRunner.main(GroovycRunner.java:132) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.intellij.rt.execution.CommandLineWrapper.main(CommandLineWrapper.java:112)