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Java FieldAccessor类代码示例

本文整理汇总了Java中com.sun.squawk.translator.ir.instr.FieldAccessor的典型用法代码示例。如果您正苦于以下问题:Java FieldAccessor类的具体用法?Java FieldAccessor怎么用?Java FieldAccessor使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


FieldAccessor类属于com.sun.squawk.translator.ir.instr包,在下文中一共展示了FieldAccessor类的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: convertPhase1

import com.sun.squawk.translator.ir.instr.FieldAccessor; //导入依赖的package包/类
/**
 * Convert the code of this method from its Java bytecode form to its
 * Squawk bytecode form. This must only be called once and cannot be called
 * for an abstract or native <code>Method</code>.
 *
 * @param  translator   the translation context
 * @param  method       the method owning this code
 * @param  index        the index of this method in the symbols table of the enclosing class
 */
private void convertPhase1(Translator translator, Method method, int index) {
    try {
        Assert.that(code != null, "code is null for " + method);
        Klass declaringClass = method.getDefiningClass();
        ClassFile cf = translator.getClassFile(declaringClass);

        /*
         * Write trace message.
         */
        if (Translator.TRACING_ENABLED && Tracer.isTracing("converting", method.toString())) {
            Tracer.traceln("[converting method " + method + "]");
        }

        /*
         * Get or create the constant pool.
         */
        ConstantPool constantPool;
        if (code == SYNTHESIZED_DEFAULT_CONSTRUCTOR_CODE) {
            constantPool = getConstantPoolForSynthesizedConstructor(translator, method.getDefiningClass());
            code = getCodeForSynthesizedConstructor();
        } else {
            constantPool = cf.getConstantPool();
        }

        /*
         * Ensure the parameter and return types are loaded.
         */
        translator.load(method.getReturnType());
        Klass[] parameterTypes = method.getParameterTypes();
        for (int i = 0 ; i < parameterTypes.length ; i++) {
            translator.load(parameterTypes[i]);
        }

        /*
         * Get the code parser and build the IR.
         */
        codeParser = new CodeParser(translator, method, code, constantPool);
        irBuilder = new IRBuilder(translator, codeParser);
        IR ir = irBuilder.getIR();

        /*
         * Add the object references into the table of constants.
         */
        objectTable = new ObjectTable(declaringClass);
        for (Instruction instruction = ir.getHead() ; instruction != null ; instruction = instruction.getNext()) {
            Object object = instruction.getConstantObject();
            if (object != null) {
                if (instruction instanceof FieldAccessor) {         // ignore special cases:
                    Klass fieldDefiningClass = ((FieldAccessor)instruction).getField().getDefiningClass();
                    if (fieldDefiningClass.hasGlobalStatics() || fieldDefiningClass == declaringClass) {
                        // getstatic/putstatic on global globals doesn't really use the class object table
                        // getstatic/putstatic on "this class" doesn't really use the class object table
                        continue;
                    }
                }
                objectTable.addConstantObject(object);
            }
        }
        
        /*
         * Transform the IR.
         */
        IRTransformer transformer = new IRTransformer(ir, method, getFrame());
        transformer.transform(translator);
    } finally {
        code = null; // Allow the code to be garbage collected
    }
}
 
开发者ID:tomatsu,项目名称:squawk,代码行数:78,代码来源:Code.java


注:本文中的com.sun.squawk.translator.ir.instr.FieldAccessor类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。