Examples with TryCatchBlockNode org.objectweb.asm.tree.TryCatchBlockNode used on opensource projects

Example 26 with TryCatchBlockNode

use of org.objectweb.asm.tree.TryCatchBlockNode in project dex2jar by pxb1988.

the class AsmVerify method printAnalyzerResult.

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];
        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 {
            // mv.text.get(j));
            pw.printf(format, j, s, buf.get(t));
        } 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();
}

Example 27 with TryCatchBlockNode

use of org.objectweb.asm.tree.TryCatchBlockNode in project bytecode-viewer by Konloch.

the class MethodNodeDecompiler method decompile.

public static PrefixedStringBuilder decompile(PrefixedStringBuilder sb, MethodNode m, ClassNode cn) {
    String class_;
    if (cn.name.contains("/")) {
        class_ = cn.name.substring(cn.name.lastIndexOf("/") + 1);
    } else {
        class_ = cn.name;
    }
    String s = getAccessString(m.access);
    sb.append("     ");
    sb.append(s);
    if (s.length() > 0)
        sb.append(" ");
    if (m.name.equals("<init>")) {
        sb.append(class_);
    } else if (!m.name.equals("<clinit>")) {
        sb.append(m.name);
    }
    TypeAndName[] args = new TypeAndName[0];
    if (!m.name.equals("<clinit>")) {
        sb.append("(");
        final Type[] argTypes = Type.getArgumentTypes(m.desc);
        args = new TypeAndName[argTypes.length];
        for (int i = 0; i < argTypes.length; i++) {
            final Type type = argTypes[i];
            final TypeAndName tan = new TypeAndName();
            final String argName = "arg" + i;
            tan.name = argName;
            tan.type = type;
            args[i] = tan;
            sb.append(type.getClassName() + " " + argName + (i < argTypes.length - 1 ? ", " : ""));
        }
        sb.append(")");
    }
    int amountOfThrows = m.exceptions.size();
    if (amountOfThrows > 0) {
        sb.append(" throws ");
        // exceptions is list<string>
        sb.append(m.exceptions.get(0));
        for (int i = 1; i < amountOfThrows; i++) {
            sb.append(", ");
            sb.append(m.exceptions.get(i));
        }
    }
    if (s.contains("abstract")) {
        sb.append(" {}");
        sb.append(" //");
        sb.append(m.desc);
        sb.append(nl);
    } else {
        sb.append(" {");
        if (BytecodeViewer.viewer.debugHelpers.isSelected()) {
            if (m.name.equals("<clinit>"))
                sb.append(" // <clinit>");
            else if (m.name.equals("<init>"))
                sb.append(" // <init>");
        }
        sb.append(" //");
        sb.append(m.desc);
        sb.append(nl);
        if (m.signature != null) {
            sb.append("         <sig:").append(m.signature).append(">");
        }
        if (m.annotationDefault != null) {
            sb.append(m.annotationDefault);
            sb.append("\n");
        }
        InstructionPrinter insnPrinter = new InstructionPrinter(m, args);
        addAttrList(m.attrs, "attr", sb, insnPrinter);
        addAttrList(m.invisibleAnnotations, "invisAnno", sb, insnPrinter);
        addAttrList(m.invisibleAnnotations, "invisLocalVarAnno", sb, insnPrinter);
        addAttrList(m.invisibleTypeAnnotations, "invisTypeAnno", sb, insnPrinter);
        addAttrList(m.localVariables, "localVar", sb, insnPrinter);
        addAttrList(m.visibleAnnotations, "visAnno", sb, insnPrinter);
        addAttrList(m.visibleLocalVariableAnnotations, "visLocalVarAnno", sb, insnPrinter);
        addAttrList(m.visibleTypeAnnotations, "visTypeAnno", sb, insnPrinter);
        for (TryCatchBlockNode o : m.tryCatchBlocks) {
            sb.append("         ");
            sb.append("TryCatch: L");
            sb.append(insnPrinter.resolveLabel(o.start));
            sb.append(" to L");
            sb.append(insnPrinter.resolveLabel(o.end));
            sb.append(" handled by L");
            sb.append(insnPrinter.resolveLabel(o.handler));
            sb.append(": ");
            if (o.type != null)
                sb.append(o.type);
            else
                sb.append("Type is null.");
            sb.append(nl);
        }
        for (String insn : insnPrinter.createPrint()) {
            sb.append("         ");
            sb.append(insn);
            sb.append(nl);
        }
        sb.append("     }" + nl);
    }
    return sb;
}