Examples with OperandStack org.codehaus.groovy.classgen.asm.OperandStack used on opensource projects

Example 16 with OperandStack

use of org.codehaus.groovy.classgen.asm.OperandStack in project groovy by apache.

the class InvokeDynamicWriter method finishIndyCall.

private void finishIndyCall(Handle bsmHandle, String methodName, String sig, int numberOfArguments, Object... bsmArgs) {
    CompileStack compileStack = controller.getCompileStack();
    OperandStack operandStack = controller.getOperandStack();
    controller.getMethodVisitor().visitInvokeDynamicInsn(methodName, sig, bsmHandle, bsmArgs);
    operandStack.replace(ClassHelper.OBJECT_TYPE, numberOfArguments);
    compileStack.popLHS();
}

Example 17 with OperandStack

use of org.codehaus.groovy.classgen.asm.OperandStack in project groovy by apache.

the class StaticTypesStatementWriter method loadFromArray.

private void loadFromArray(MethodVisitor mv, BytecodeVariable variable, int array, int iteratorIdx) {
    OperandStack os = controller.getOperandStack();
    mv.visitVarInsn(ALOAD, array);
    mv.visitVarInsn(ILOAD, iteratorIdx);
    ClassNode varType = variable.getType();
    boolean primitiveType = ClassHelper.isPrimitiveType(varType);
    boolean isByte = ClassHelper.byte_TYPE.equals(varType);
    boolean isShort = ClassHelper.short_TYPE.equals(varType);
    boolean isInt = ClassHelper.int_TYPE.equals(varType);
    boolean isLong = ClassHelper.long_TYPE.equals(varType);
    boolean isFloat = ClassHelper.float_TYPE.equals(varType);
    boolean isDouble = ClassHelper.double_TYPE.equals(varType);
    boolean isChar = ClassHelper.char_TYPE.equals(varType);
    boolean isBoolean = ClassHelper.boolean_TYPE.equals(varType);
    if (primitiveType) {
        if (isByte) {
            mv.visitInsn(BALOAD);
        }
        if (isShort) {
            mv.visitInsn(SALOAD);
        }
        if (isInt || isChar || isBoolean) {
            mv.visitInsn(isChar ? CALOAD : isBoolean ? BALOAD : IALOAD);
        }
        if (isLong) {
            mv.visitInsn(LALOAD);
        }
        if (isFloat) {
            mv.visitInsn(FALOAD);
        }
        if (isDouble) {
            mv.visitInsn(DALOAD);
        }
    } else {
        mv.visitInsn(AALOAD);
    }
    os.push(varType);
    os.storeVar(variable);
}

Example 18 with OperandStack

use of org.codehaus.groovy.classgen.asm.OperandStack in project groovy by apache.

the class StaticTypesStatementWriter method writeForInLoop.

@Override
protected void writeForInLoop(final ForStatement loop) {
    controller.getAcg().onLineNumber(loop, "visitForLoop");
    writeStatementLabel(loop);
    CompileStack compileStack = controller.getCompileStack();
    MethodVisitor mv = controller.getMethodVisitor();
    OperandStack operandStack = controller.getOperandStack();
    compileStack.pushLoop(loop.getVariableScope(), loop.getStatementLabels());
    // Identify type of collection
    TypeChooser typeChooser = controller.getTypeChooser();
    Expression collectionExpression = loop.getCollectionExpression();
    ClassNode collectionType = typeChooser.resolveType(collectionExpression, controller.getClassNode());
    Parameter loopVariable = loop.getVariable();
    int size = operandStack.getStackLength();
    if (collectionType.isArray() && loopVariable.getOriginType().equals(collectionType.getComponentType())) {
        writeOptimizedForEachLoop(compileStack, operandStack, mv, loop, collectionExpression, collectionType, loopVariable);
    } else if (ENUMERATION_CLASSNODE.equals(collectionType)) {
        writeEnumerationBasedForEachLoop(compileStack, operandStack, mv, loop, collectionExpression, collectionType, loopVariable);
    } else {
        writeIteratorBasedForEachLoop(compileStack, operandStack, mv, loop, collectionExpression, collectionType, loopVariable);
    }
    operandStack.popDownTo(size);
    compileStack.pop();
}