| /* |
| [The "BSD licence"] |
| Copyright (c) 2007-2008 Leon Jen-Yuan Su |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions |
| are met: |
| 1. Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| 3. The name of the author may not be used to endorse or promote products |
| derived from this software without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.antlr.gunit; |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.antlr.runtime.*; |
| |
| /** The main gUnit interpreter entry point. |
| * Read a gUnit script, run unit tests or generate a junit file. |
| */ |
| public class Interp { |
| static String testPackage; |
| static boolean genJUnit; |
| static String gunitFile; |
| |
| public static void main(String[] args) throws IOException, ClassNotFoundException, RecognitionException { |
| /** Pull char from where? */ |
| CharStream input = null; |
| /** If the input source is a testsuite file, where is it? */ |
| String testsuiteDir = System.getProperty("user.dir"); |
| |
| processArgs(args); |
| |
| if ( genJUnit ) { |
| if ( gunitFile!=null ) { |
| input = new ANTLRFileStream(gunitFile); |
| File f = new File(gunitFile); |
| testsuiteDir = getTestsuiteDir(f.getCanonicalPath(), f.getName()); |
| } |
| else { |
| input = new ANTLRInputStream(System.in); |
| } |
| GrammarInfo grammarInfo = parse(input); |
| grammarInfo.setTestPackage(testPackage); |
| JUnitCodeGen generater = new JUnitCodeGen(grammarInfo, testsuiteDir); |
| generater.compile(); |
| return; |
| } |
| |
| if ( gunitFile!=null ) { |
| input = new ANTLRFileStream(gunitFile); |
| File f = new File(gunitFile); |
| testsuiteDir = getTestsuiteDir(f.getCanonicalPath(), f.getName()); |
| } |
| else |
| input = new ANTLRInputStream(System.in); |
| |
| gUnitExecutor executer = new gUnitExecutor(parse(input), testsuiteDir); |
| |
| System.out.print(executer.execTest()); // unit test result |
| |
| //return an error code of the number of failures |
| System.exit(executer.failures.size() + executer.invalids.size()); |
| } |
| |
| public static void processArgs(String[] args) { |
| if (args == null || args.length == 0) return; |
| for (int i = 0; i < args.length; i++) { |
| if (args[i].equals("-p")) { |
| if (i + 1 >= args.length) { |
| System.err.println("missing library directory with -lib option; ignoring"); |
| } |
| else { |
| i++; |
| testPackage = args[i]; |
| } |
| } |
| else if (args[i].equals("-o")) genJUnit = true; |
| else gunitFile = args[i]; // Must be the gunit file |
| } |
| } |
| |
| public static GrammarInfo parse(CharStream input) throws RecognitionException { |
| gUnitLexer lexer = new gUnitLexer(input); |
| CommonTokenStream tokens = new CommonTokenStream(lexer); |
| |
| GrammarInfo grammarInfo = new GrammarInfo(); |
| gUnitParser parser = new gUnitParser(tokens, grammarInfo); |
| parser.gUnitDef(); // parse gunit script and save elements to grammarInfo |
| return grammarInfo; |
| } |
| |
| public static String getTestsuiteDir(String fullPath, String fileName) { |
| return fullPath.substring(0, fullPath.length()-fileName.length()); |
| } |
| |
| } |