Example usage for org.objectweb.asm.util TraceMethodVisitor TraceMethodVisitor

Introduction

In this page you can find the example usage for org.objectweb.asm.util TraceMethodVisitor TraceMethodVisitor.

Prototype

public TraceMethodVisitor(final Printer printer) 

Source Link

Document

Constructs a new TraceMethodVisitor .

Usage

From source file:com.android.build.gradle.internal.incremental.ByteCodeUtils.java

License:Apache License

/**
 * Converts the given method to a String.
 */// w  ww. j ava2s  .c  om
public static String textify(@NonNull MethodNode method) {
    Textifier textifier = new Textifier();
    TraceMethodVisitor trace = new TraceMethodVisitor(textifier);
    method.accept(trace);
    String ret = "";
    for (Object line : textifier.getText()) {
        ret += line;
    }
    return ret;
}

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From source file:com.github.fge.grappa.transform.AsmTestUtils.java

License:Apache License

public static String getMethodInstructionList(MethodNode methodNode) {
    Preconditions.checkNotNull(methodNode, "methodNode");
    Printer printer = new NonMaxTextifier();
    TraceMethodVisitor traceMethodVisitor = new TraceMethodVisitor(printer);
    methodNode.accept(traceMethodVisitor);
    StringWriter stringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stringWriter);
    printer.print(printWriter);/*from   w  w w  . j  a va  2s . c om*/
    printWriter.flush();
    String[] lines = PATTERN.split(stringWriter.toString());
    int lineNr = 0;
    for (int i = 0; i < lines.length; i++) {
        if (!lines[i].startsWith("  @")) {
            lines[i] = String.format("%2d %s", lineNr++, lines[i]);
        }
    }
    return "Method '" + methodNode.name + "':\n" + NEWLINE.join(lines) + '\n';
}

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From source file:com.github.fge.grappa.transform.AsmTestUtils.java

License:Apache License

public static void assertTraceDumpEquality(MethodNode method, String traceDump) throws Exception {
    Preconditions.checkNotNull(method, "method");
    Printer printer = new NonMaxTextifier();
    TraceMethodVisitor traceMethodVisitor = new TraceMethodVisitor(printer);
    // MethodAdapter checkMethodAdapter = new MethodAdapter(traceMethodVisitor);
    MethodVisitor checkMethodAdapter = new CheckMethodAdapter(traceMethodVisitor);
    method.accept(checkMethodAdapter);/*www.  ja v  a 2 s .  c o m*/
    StringWriter stringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stringWriter);
    printer.print(printWriter);
    printWriter.flush();

    assertEquals(stringWriter.toString(), traceDump);
}

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From source file:com.google.template.soy.jbcsrc.BytecodeProducer.java

License:Apache License

/**
 * Returns a human readable string for the code that this {@link BytecodeProducer} generates.
 */// w  w  w.j  a v a  2 s .c o m
final String trace() {
    // TODO(lukes): textifier has support for custom label names by overriding appendLabel.
    // Consider trying to make use of (using the Label.info field? adding a custom NamedLabel
    // sub type?)
    Textifier textifier = new Textifier(Opcodes.ASM5) {
        {
            // reset tab sizes.  Since we don't care about formatting class names or method signatures
            // (only code). We only need to set the tab2,tab3 and ltab settings (tab is for class
            // members).
            this.tab = null; // trigger an error if used.
            this.tab2 = "  "; // tab setting for instructions
            this.tab3 = ""; // tab setting for switch cases
            this.ltab = ""; // tab setting for labels
        }
    };
    gen(new CodeBuilder(new TraceMethodVisitor(textifier), 0, "trace", "()V"));
    StringWriter writer = new StringWriter();
    textifier.print(new PrintWriter(writer));
    return writer.toString(); // Note textifier always adds a trailing newline
}

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From source file:com.google.template.soy.jbcsrc.restricted.BytecodeProducer.java

License:Apache License

/** Returns a human readable string for the code that this {@link BytecodeProducer} generates. */
public final String trace() {
    // TODO(lukes): textifier has support for custom label names by overriding appendLabel.
    // Consider trying to make use of (using the Label.info field? adding a custom NamedLabel
    // sub type?)
    Textifier textifier = new Textifier(Opcodes.ASM6) {
        {//from  w w  w.  j av a2 s  . com
            // reset tab sizes.  Since we don't care about formatting class names or method
            // signatures (only code). We only need to set the tab2,tab3 and ltab settings (tab is
            // for class members).
            this.tab = null; // trigger an error if used.
            this.tab2 = "  "; // tab setting for instructions
            this.tab3 = ""; // tab setting for switch cases
            this.ltab = ""; // tab setting for labels
        }
    };
    gen(new CodeBuilder(new TraceMethodVisitor(textifier), 0, "trace", "()V"));
    StringWriter writer = new StringWriter();
    textifier.print(new PrintWriter(writer));
    return writer.toString(); // Note textifier always adds a trailing newline
}

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From source file:com.googlecode.dex2jar.test.TestUtils.java

License:Apache License

static void printAnalyzerResult(MethodNode method, Analyzer a, final PrintWriter pw)
        throws IllegalArgumentException, IllegalAccessException {
    Frame[] frames = a.getFrames();
    Textifier t = new Textifier();
    TraceMethodVisitor mv = new TraceMethodVisitor(t);
    String format = "%05d %-" + (method.maxStack + method.maxLocals + 6) + "s|%s";
    for (int j = 0; j < method.instructions.size(); ++j) {
        method.instructions.get(j).accept(mv);

        StringBuffer s = new StringBuffer();
        Frame f = frames[j];//w  w  w .  j  a v a 2 s.co  m
        if (f == null) {
            s.append('?');
        } else {
            for (int k = 0; k < f.getLocals(); ++k) {
                s.append(getShortName(f.getLocal(k).toString()));
            }
            s.append(" : ");
            for (int k = 0; k < f.getStackSize(); ++k) {
                s.append(getShortName(f.getStack(k).toString()));
            }
        }
        pw.printf(format, j, s, buf.get(t)); // mv.text.get(j));
    }
    for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
        ((TryCatchBlockNode) method.tryCatchBlocks.get(j)).accept(mv);
        pw.print(" " + buf.get(t));
    }
    pw.println();
    pw.flush();
}

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From source file:com.googlecode.dex2jar.tools.AsmVerify.java

License:Apache License

static void printAnalyzerResult(MethodNode method, Analyzer a, final PrintWriter pw)
        throws IllegalArgumentException {
    Frame[] frames = a.getFrames();
    Textifier t = new Textifier();
    TraceMethodVisitor mv = new TraceMethodVisitor(t);
    String format = "%05d %-" + (method.maxStack + method.maxLocals + 6) + "s|%s";
    for (int j = 0; j < method.instructions.size(); ++j) {
        method.instructions.get(j).accept(mv);

        StringBuffer s = new StringBuffer();
        Frame f = frames[j];/*from ww  w  .j a  va 2  s  .c o  m*/
        if (f == null) {
            s.append('?');
        } else {
            for (int k = 0; k < f.getLocals(); ++k) {
                s.append(getShortName(f.getLocal(k).toString()));
            }
            s.append(" : ");
            for (int k = 0; k < f.getStackSize(); ++k) {
                s.append(getShortName(f.getStack(k).toString()));
            }
        }
        try {
            pw.printf(format, j, s, buf.get(t)); // mv.text.get(j));
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }
    for (TryCatchBlockNode tryCatchBlockNode : method.tryCatchBlocks) {
        tryCatchBlockNode.accept(mv);
        try {
            pw.print(" " + buf.get(t));
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }
    pw.println();
    pw.flush();
}

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From source file:com.lodgon.parboiled.transform.AsmTestUtils.java

License:Apache License

public static String getMethodInstructionList(MethodNode methodNode) {
    checkArgNotNull(methodNode, "methodNode");
    Printer printer = new NonMaxTextifier();
    TraceMethodVisitor traceMethodVisitor = new TraceMethodVisitor(printer);
    methodNode.accept(traceMethodVisitor);
    StringWriter stringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stringWriter);
    printer.print(printWriter);/*from   w ww . j  a  v  a  2s.co m*/
    printWriter.flush();
    String[] lines = stringWriter.toString().split("\n");
    int lineNr = 0;
    for (int i = 0; i < lines.length; i++) {
        if (!lines[i].startsWith("  @")) {
            lines[i] = String.format("%2d %s", lineNr++, lines[i]);
        }
    }
    return "Method '" + methodNode.name + "':\n" + StringUtils.join(lines, "\n") + '\n';
}

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From source file:com.lodgon.parboiled.transform.AsmTestUtils.java

License:Apache License

public static void assertTraceDumpEquality(MethodNode method, String traceDump) throws Exception {
    checkArgNotNull(method, "method");
    Printer printer = new NonMaxTextifier();
    TraceMethodVisitor traceMethodVisitor = new TraceMethodVisitor(printer);
    // MethodAdapter checkMethodAdapter = new MethodAdapter(traceMethodVisitor);
    MethodVisitor checkMethodAdapter = new CheckMethodAdapter(traceMethodVisitor);
    method.accept(checkMethodAdapter);/*from  w ww . j  a  va2  s  .  c om*/
    StringWriter stringWriter = new StringWriter();
    PrintWriter printWriter = new PrintWriter(stringWriter);
    printer.print(printWriter);
    printWriter.flush();

    assertEquals(stringWriter.toString(), traceDump);
}

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From source file:com.sun.fortress.compiler.codegen.ManglingClassWriter.java

License:Open Source License

/**
 * Does not mangle name/desc/sig; takes them as provided.
 * /*  www .j  ava 2s . c  om*/
 * @param access
 * @param name
 * @param desc
 * @param signature
 * @param exceptions
 * @return
 */
public ManglingMethodVisitor visitNoMangleMethod(int access, String name, String desc, String signature,
        String[] exceptions) {
    MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
    return new ManglingMethodVisitor(TRACE_METHODS ? new TraceMethodVisitor(mv) : mv, access, name, desc);
}

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