com.xruby.compiler.codegen.ClassGeneratorForNoArgRubyMethod.java Source code

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Here is the source code for com.xruby.compiler.codegen.ClassGeneratorForNoArgRubyMethod.java

Source

/**
 * Copyright 2007 Ye Zheng
 * Distributed under the BSD License
 */

package com.xruby.compiler.codegen;

import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import org.objectweb.asm.commons.Method;

class ClassGeneratorForNoArgRubyMethod extends ClassGeneratorForRubyMethod {
    public ClassGeneratorForNoArgRubyMethod(String method_name, String fileName, String name, int argc,
            boolean has_asterisk_parameter, int default_argc, boolean is_singleton_method) {
        super(method_name, fileName, name, argc, has_asterisk_parameter, default_argc, is_singleton_method);
    }

    public String getSuperName() {
        return "com/xruby/runtime/lang/RubyNoArgMethod";
    }

    public String getRunMethodName() {
        return "com.xruby.runtime.lang.RubyValue run(com.xruby.runtime.lang.RubyValue, com.xruby.runtime.lang.RubyBlock)";
    }

    public Type getSuperClassType() {
        return Types.RUBY_NOARGMETHOD_TYPE;
    }

    public String getSuperCtorName() {
        return "void <init> ()";
    }

    public void pushBasciArgForSuperArg(MethodGenerator mg, int argc, boolean has_asterisk_parameter,
            int default_argc) {
    }

    public void loadMethodPrameter(int index) {
        throw new RuntimeException("should not load method paramenter in no argment method");
    }

    public void storeMethodParameter(int index) {
        throw new RuntimeException("should not store method paramenter in no argment method");
    }

    protected MethodGenerator createMethodGenerator() {
        return new MethodGenerator(Opcodes.ACC_PROTECTED, Method.getMethod(this.getRunMethodName()), cv_, null,
                null, false) {
            public void loadCurrentBlock() {
                this.loadArg(1);
            }

            public void loadMethodArg() {
            }
        };
    }

    public void callSuperMethod(boolean has_no_arg, boolean has_one_arg) {
        this.getMethodGenerator().RubyAPI_callSuperNoArgMethod();
    }

    public void loadArgOfMethodForBlock() {
        MethodGenerator mg = getMethodGenerator();
        mg.pushNull();
        mg.pushNull();
    }
}