Examples with AsmClassGenerator org.codehaus.groovy.classgen.AsmClassGenerator used on opensource projects

Example 26 with AsmClassGenerator

use of org.codehaus.groovy.classgen.AsmClassGenerator in project groovy-core by groovy.

the class BinaryExpressionHelper method evaluateLogicalAndExpression.

private void evaluateLogicalAndExpression(BinaryExpression expression) {
    MethodVisitor mv = controller.getMethodVisitor();
    AsmClassGenerator acg = controller.getAcg();
    OperandStack operandStack = controller.getOperandStack();
    expression.getLeftExpression().visit(acg);
    operandStack.doGroovyCast(ClassHelper.boolean_TYPE);
    Label falseCase = operandStack.jump(IFEQ);
    expression.getRightExpression().visit(acg);
    operandStack.doGroovyCast(ClassHelper.boolean_TYPE);
    operandStack.jump(IFEQ, falseCase);
    ConstantExpression.PRIM_TRUE.visit(acg);
    Label trueCase = new Label();
    mv.visitJumpInsn(GOTO, trueCase);
    mv.visitLabel(falseCase);
    ConstantExpression.PRIM_FALSE.visit(acg);
    mv.visitLabel(trueCase);
    // have to remove 1 because of the GOTO
    operandStack.remove(1);
}

Example 27 with AsmClassGenerator

use of org.codehaus.groovy.classgen.AsmClassGenerator in project groovy-core by groovy.

the class BinaryExpressionHelper method evaluateLogicalOrExpression.

private void evaluateLogicalOrExpression(BinaryExpression expression) {
    MethodVisitor mv = controller.getMethodVisitor();
    AsmClassGenerator acg = controller.getAcg();
    OperandStack operandStack = controller.getOperandStack();
    Label end = new Label();
    expression.getLeftExpression().visit(acg);
    operandStack.doGroovyCast(ClassHelper.boolean_TYPE);
    Label trueCase = operandStack.jump(IFNE);
    expression.getRightExpression().visit(acg);
    operandStack.doGroovyCast(ClassHelper.boolean_TYPE);
    Label falseCase = operandStack.jump(IFEQ);
    mv.visitLabel(trueCase);
    ConstantExpression.PRIM_TRUE.visit(acg);
    operandStack.jump(GOTO, end);
    mv.visitLabel(falseCase);
    ConstantExpression.PRIM_FALSE.visit(acg);
    mv.visitLabel(end);
}

Example 28 with AsmClassGenerator

use of org.codehaus.groovy.classgen.AsmClassGenerator in project groovy-core by groovy.

the class BinaryExpressionHelper method evaluateArrayAssignmentWithOperator.

protected void evaluateArrayAssignmentWithOperator(String method, BinaryExpression expression, BinaryExpression leftBinExpr) {
    CompileStack compileStack = getController().getCompileStack();
    AsmClassGenerator acg = getController().getAcg();
    OperandStack os = getController().getOperandStack();
    // e.g. x[a] += b
    // to avoid loading x and a twice we transform the expression to use
    // ExpressionAsVariableSlot
    // -> subscript=a, receiver=x, receiver[subscript]+b, =, receiver[subscript]
    // -> subscript=a, receiver=x, receiver#getAt(subscript)#plus(b), =, receiver#putAt(subscript)
    // -> subscript=a, receiver=x, receiver#putAt(subscript, receiver#getAt(subscript)#plus(b))
    // the result of x[a] += b is x[a]+b, thus:
    // -> subscript=a, receiver=x, receiver#putAt(subscript, ret=receiver#getAt(subscript)#plus(b)), ret
    ExpressionAsVariableSlot subscript = new ExpressionAsVariableSlot(controller, leftBinExpr.getRightExpression(), "subscript");
    ExpressionAsVariableSlot receiver = new ExpressionAsVariableSlot(controller, leftBinExpr.getLeftExpression(), "receiver");
    MethodCallExpression getAt = new MethodCallExpression(receiver, "getAt", new ArgumentListExpression(subscript));
    MethodCallExpression operation = new MethodCallExpression(getAt, method, expression.getRightExpression());
    ExpressionAsVariableSlot ret = new ExpressionAsVariableSlot(controller, operation, "ret");
    MethodCallExpression putAt = new MethodCallExpression(receiver, "putAt", new ArgumentListExpression(subscript, ret));
    putAt.visit(acg);
    os.pop();
    os.load(ret.getType(), ret.getIndex());
    compileStack.removeVar(ret.getIndex());
    compileStack.removeVar(subscript.getIndex());
    compileStack.removeVar(receiver.getIndex());
}

Example 29 with AsmClassGenerator

use of org.codehaus.groovy.classgen.AsmClassGenerator in project groovy-core by groovy.

the class BinaryExpressionMultiTypeDispatcher method doPrimitiveCompare.

protected boolean doPrimitiveCompare(ClassNode leftType, ClassNode rightType, BinaryExpression binExp) {
    Expression leftExp = binExp.getLeftExpression();
    Expression rightExp = binExp.getRightExpression();
    int operation = binExp.getOperation().getType();
    int operationType = getOperandConversionType(leftType, rightType);
    BinaryExpressionWriter bew = binExpWriter[operationType];
    if (!bew.write(operation, true))
        return false;
    AsmClassGenerator acg = getController().getAcg();
    OperandStack os = getController().getOperandStack();
    leftExp.visit(acg);
    os.doGroovyCast(bew.getNormalOpResultType());
    rightExp.visit(acg);
    os.doGroovyCast(bew.getNormalOpResultType());
    bew.write(operation, false);
    return true;
}

Example 30 with AsmClassGenerator

use of org.codehaus.groovy.classgen.AsmClassGenerator in project groovy-core by groovy.

the class ClosureWriter method writeClosure.

public void writeClosure(ClosureExpression expression) {
    CompileStack compileStack = controller.getCompileStack();
    MethodVisitor mv = controller.getMethodVisitor();
    ClassNode classNode = controller.getClassNode();
    AsmClassGenerator acg = controller.getAcg();
    ClassNode closureClass = getOrAddClosureClass(expression, 0);
    String closureClassinternalName = BytecodeHelper.getClassInternalName(closureClass);
    List constructors = closureClass.getDeclaredConstructors();
    ConstructorNode node = (ConstructorNode) constructors.get(0);
    Parameter[] localVariableParams = node.getParameters();
    mv.visitTypeInsn(NEW, closureClassinternalName);
    mv.visitInsn(DUP);
    if (controller.isStaticMethod() || compileStack.isInSpecialConstructorCall()) {
        (new ClassExpression(classNode)).visit(acg);
        (new ClassExpression(controller.getOutermostClass())).visit(acg);
    } else {
        mv.visitVarInsn(ALOAD, 0);
        controller.getOperandStack().push(ClassHelper.OBJECT_TYPE);
        loadThis();
    }
    // on the stack
    for (int i = 2; i < localVariableParams.length; i++) {
        Parameter param = localVariableParams[i];
        String name = param.getName();
        loadReference(name, controller);
        if (param.getNodeMetaData(ClosureWriter.UseExistingReference.class) == null) {
            param.setNodeMetaData(ClosureWriter.UseExistingReference.class, Boolean.TRUE);
        }
    }
    // we may need to pass in some other constructors
    //cv.visitMethodInsn(INVOKESPECIAL, innerClassinternalName, "<init>", prototype + ")V");
    mv.visitMethodInsn(INVOKESPECIAL, closureClassinternalName, "<init>", BytecodeHelper.getMethodDescriptor(ClassHelper.VOID_TYPE, localVariableParams), false);
    controller.getOperandStack().replace(ClassHelper.CLOSURE_TYPE, localVariableParams.length);
}