Example usage for org.objectweb.asm.util Textifier print

Introduction

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

Prototype

public void print(final PrintWriter printWriter) 

Source Link

Document

Prints the text constructed by this visitor.

Usage

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  . ja  va 2s .  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 a  2s . c  om
            // 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:org.elasticsearch.painless.Debugger.java

License:Apache License

/** compiles to bytecode, and returns debugging output */
static String toString(String source, CompilerSettings settings) {
    StringWriter output = new StringWriter();
    PrintWriter outputWriter = new PrintWriter(output);
    Textifier textifier = new Textifier();
    try {/*  w w w. j  a v a  2 s .  c  o m*/
        Compiler.compile("<debugging>", source, settings, textifier);
    } catch (Exception e) {
        textifier.print(outputWriter);
        e.addSuppressed(new Exception("current bytecode: \n" + output));
        IOUtils.reThrowUnchecked(e);
        throw new AssertionError();
    }

    textifier.print(outputWriter);
    return output.toString();
}

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From source file:org.jacoco.core.internal.analysis.AC_MethodAnalyzerTest.java

License:Open Source License

@SuppressWarnings("unused")
private void printMethod(MethodNode m) {
    Textifier t = new Textifier();
    m.accept(new TraceMethodVisitor(t));

    PrintWriter writer = new PrintWriter(System.out);
    t.print(writer);
    writer.flush();//  www . j av a2  s  . co m
}

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