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Simplified exec code in BaseTest

This commit is contained in:
sharwell 2012-02-08 19:27:34 -06:00
parent e5aa949435
commit 0ec084dc73
1 changed files with 1 additions and 40 deletions
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41
tool/test/org/antlr/v4/test/BaseTest.java
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@ -538,49 +538,10 @@ public abstract class BaseTest {
} }
public String execRecognizer() { public String execRecognizer() {
try { return execClass("Test");
String inputFile = new File(tmpdir, "input").getAbsolutePath();
String[] args = new String[] {
"java", "-classpath", tmpdir+pathSep+CLASSPATH,
"Test", inputFile
};
//String cmdLine = "java -classpath "+CLASSPATH+pathSep+tmpdir+" Test " + new File(tmpdir, "input").getAbsolutePath();
//System.out.println("execParser: "+cmdLine);
Process process =
Runtime.getRuntime().exec(args, null, new File(tmpdir));
StreamVacuum stdoutVacuum = new StreamVacuum(process.getInputStream());
StreamVacuum stderrVacuum = new StreamVacuum(process.getErrorStream());
stdoutVacuum.start();
stderrVacuum.start();
process.waitFor();
stdoutVacuum.join();
stderrVacuum.join();
String output = stdoutVacuum.toString();
if ( stderrVacuum.toString().length()>0 ) {
this.stderrDuringParse = stderrVacuum.toString();
System.err.println("exec stderrVacuum: "+ stderrVacuum);
}
return output;
}
catch (Exception e) {
System.err.println("can't exec recognizer");
e.printStackTrace(System.err);
}
return null;
} }
public String execClass(String className) { public String execClass(String className) {
/* HOW TO GET STDOUT?
try {
ClassLoader cl_new = new DirectoryLoader(new File(tmpdir));
Class compiledClass = cl_new.loadClass(className);
Method m = compiledClass.getMethod("main");
m.invoke(null);
} catch (Exception ex) {
ex.printStackTrace(System.err);
}
*/
if (TEST_IN_SAME_PROCESS) { if (TEST_IN_SAME_PROCESS) {
PrintStream originalOut = System.out; PrintStream originalOut = System.out;
PrintStream originalErr = System.err; PrintStream originalErr = System.err;