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| package edu.rice.cs.dynamicjava; |
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| |
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| import java.io.*; |
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| import edu.rice.cs.plt.tuple.Option; |
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| import edu.rice.cs.plt.tuple.OptionVisitor; |
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| import edu.rice.cs.plt.text.TextUtil; |
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| import edu.rice.cs.plt.text.ArgumentParser; |
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| import edu.rice.cs.plt.io.IOUtil; |
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| import edu.rice.cs.plt.reflect.PathClassLoader; |
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| import edu.rice.cs.dynamicjava.interpreter.Interpreter; |
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| import edu.rice.cs.dynamicjava.interpreter.InterpreterException; |
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| |
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| import static edu.rice.cs.plt.debug.DebugUtil.debug; |
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| |
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| public final class DynamicJava { |
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| |
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0
| private DynamicJava() {}
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| |
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0
| public static void main(String... args) throws IOException {
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| debug.log();
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| |
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| ArgumentParser argParser = new ArgumentParser();
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| argParser.supportOption("classpath", IOUtil.WORKING_DIRECTORY.toString());
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0
| argParser.supportAlias("cp", "classpath");
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| ArgumentParser.Result parsedArgs = argParser.parse(args);
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| Iterable<File> cp = IOUtil.parsePath(parsedArgs.getUnaryOption("classpath"));
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| |
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| Interpreter i = new Interpreter(Options.DEFAULT, new PathClassLoader(cp));
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| BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
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| String prev = null;
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31 |
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| boolean blank = false;
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| String input;
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33 |
0
| do {
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| System.out.print("> ");
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| System.out.flush();
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0
| input = in.readLine();
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37 |
0
| if (input != null) {
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38 |
| |
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0
| if (input.equals("")) {
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40 |
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| if (blank == true) { input = prev; blank = false; }
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0
| else { blank = true; }
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| } |
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0
| else { prev = input; blank = false; }
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44 |
0
| try {
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| Option<Object> result = i.interpret(input);
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| result.apply(new OptionVisitor<Object, Void>() {
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47 |
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| public Void forSome(Object o) { System.out.println(TextUtil.toString(o)); return null; }
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48 |
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| public Void forNone() { return null; }
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| }); |
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| } |
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0
| catch (InterpreterException e) { e.printUserMessage(); debug.log(e); }
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| catch (RuntimeException e) { |
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| System.out.println("INTERNAL ERROR: Uncaught exception");
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| e.printStackTrace(System.out);
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| } |
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| System.out.println();
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| } |
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58 |
0
| } while (input != null);
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| } |
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60 |
| |
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61 |
| } |
