Examples with Instruction com.sun.tools.classfile.Instruction used on opensource projects

Example 1 with Instruction

use of com.sun.tools.classfile.Instruction in project jdk8u_jdk by JetBrains.

the class LambdaAsm method checkMethod.

static void checkMethod(String cname, String mname, ConstantPool cp, Code_attribute code) throws ConstantPool.InvalidIndex {
    for (Instruction i : code.getInstructions()) {
        String iname = i.getMnemonic();
        if ("invokespecial".equals(iname) || "invokestatic".equals(iname)) {
            int idx = i.getByte(2);
            System.out.println("Verifying " + cname + ":" + mname + " instruction:" + iname + " index @" + idx);
            CPInfo cpinfo = cp.get(idx);
            if (cpinfo instanceof ConstantPool.CONSTANT_Methodref_info) {
                throw new RuntimeException("unexpected CP type expected " + "InterfaceMethodRef, got MethodRef, " + cname + ", " + mname);
            }
        }
    }
}

Example 2 with Instruction

use of com.sun.tools.classfile.Instruction in project jdk8u_jdk by JetBrains.

the class AnnotationsElementVisitor method instructions.

private Element instructions(Element code, Code_attribute c) {
    Element ielement = new Element("Instructions");
    for (Instruction ins : c.getInstructions()) {
        ielement.add(iv.visit(ins));
    }
    ielement.trimToSize();
    return ielement;
}

Example 3 with Instruction

use of com.sun.tools.classfile.Instruction in project ceylon-compiler by ceylon.

the class TestCP method verifyMethodHandleInvocationDescriptors.

void verifyMethodHandleInvocationDescriptors(File f) {
    System.err.println("verify: " + f);
    try {
        int count = 0;
        ClassFile cf = ClassFile.read(f);
        Method testMethod = null;
        for (Method m : cf.methods) {
            if (m.getName(cf.constant_pool).equals(TEST_METHOD_NAME)) {
                testMethod = m;
                break;
            }
        }
        if (testMethod == null) {
            throw new Error("Test method not found");
        }
        Code_attribute ea = (Code_attribute) testMethod.attributes.get(Attribute.Code);
        if (testMethod == null) {
            throw new Error("Code attribute for test() method not found");
        }
        int instr_count = 0;
        int cp_entry = -1;
        for (Instruction i : ea.getInstructions()) {
            if (i.getMnemonic().equals("invokevirtual")) {
                instr_count++;
                if (cp_entry == -1) {
                    cp_entry = i.getUnsignedShort(1);
                } else if (cp_entry != i.getUnsignedShort(1)) {
                    throw new Error("Unexpected CP entry in polymorphic signature call");
                }
                CONSTANT_Methodref_info methRef = (CONSTANT_Methodref_info) cf.constant_pool.get(cp_entry);
                String type = methRef.getNameAndTypeInfo().getType();
                if (!type.equals(PS_TYPE)) {
                    throw new Error("Unexpected type in polymorphic signature call: " + type);
                }
            }
        }
        if (instr_count != PS_CALLS_COUNT) {
            throw new Error("Wrong number of polymorphic signature call found: " + instr_count);
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw new Error("error reading " + f + ": " + e);
    }
}

Example 4 with Instruction

use of com.sun.tools.classfile.Instruction in project ceylon-compiler by ceylon.

the class T6199075 method verifyBytecode.

void verifyBytecode(VarargsMethod selected) {
    bytecodeCheckCount++;
    File compiledTest = new File("Test.class");
    try {
        ClassFile cf = ClassFile.read(compiledTest);
        Method testMethod = null;
        for (Method m : cf.methods) {
            if (m.getName(cf.constant_pool).equals("test")) {
                testMethod = m;
                break;
            }
        }
        if (testMethod == null) {
            throw new Error("Test method not found");
        }
        Code_attribute ea = (Code_attribute) testMethod.attributes.get(Attribute.Code);
        if (testMethod == null) {
            throw new Error("Code attribute for test() method not found");
        }
        for (Instruction i : ea.getInstructions()) {
            if (i.getMnemonic().equals("invokevirtual")) {
                int cp_entry = i.getUnsignedShort(1);
                CONSTANT_Methodref_info methRef = (CONSTANT_Methodref_info) cf.constant_pool.get(cp_entry);
                String type = methRef.getNameAndTypeInfo().getType();
                if (!type.contains(selected.varargsElement.bytecodeString)) {
                    throw new Error("Unexpected type method call: " + type);
                }
                break;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw new Error("error reading " + compiledTest + ": " + e);
    }
}

Example 5 with Instruction

use of com.sun.tools.classfile.Instruction in project ceylon-compiler by ceylon.

the class T7042566 method verifyBytecode.

void verifyBytecode(VarargsMethod selected, JavaSource source) {
    bytecodeCheckCount++;
    File compiledTest = new File("Test.class");
    try {
        ClassFile cf = ClassFile.read(compiledTest);
        Method testMethod = null;
        for (Method m : cf.methods) {
            if (m.getName(cf.constant_pool).equals("test")) {
                testMethod = m;
                break;
            }
        }
        if (testMethod == null) {
            throw new Error("Test method not found");
        }
        Code_attribute ea = (Code_attribute) testMethod.attributes.get(Attribute.Code);
        if (testMethod == null) {
            throw new Error("Code attribute for test() method not found");
        }
        for (Instruction i : ea.getInstructions()) {
            if (i.getMnemonic().equals("invokevirtual")) {
                int cp_entry = i.getUnsignedShort(1);
                CONSTANT_Methodref_info methRef = (CONSTANT_Methodref_info) cf.constant_pool.get(cp_entry);
                String type = methRef.getNameAndTypeInfo().getType();
                String sig = selected.parameterTypes.bytecodeSigStr;
                if (!type.contains(sig)) {
                    throw new Error("Unexpected type method call: " + type + "" + "\nfound: " + sig + "\n" + source.getCharContent(true));
                }
                break;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        throw new Error("error reading " + compiledTest + ": " + e);
    }
}