Examples with ValType com.github.anba.es6draft.compiler.DefaultCodeGenerator.ValType used on opensource projects

Example 11 with ValType

use of com.github.anba.es6draft.compiler.DefaultCodeGenerator.ValType in project es6draft by anba.

the class ExpressionGenerator method visit.

/**
 * 12.2.6 Object Initializer
 * <p>
 * 12.2.6.8 Runtime Semantics: Evaluation
 */
@Override
public ValType visit(ObjectLiteral node, CodeVisitor mv) {
    List<MethodDefinition> decoratedMethods = DecoratedMethods(node.getProperties());
    if (decoratedMethods.isEmpty()) {
        /* step 1 */
        mv.loadExecutionContext();
        mv.get(Fields.Intrinsics_ObjectPrototype);
        mv.invoke(Methods.OrdinaryObject_ObjectCreate);
        /* steps 2-3 */
        PropertyEvaluation(codegen, node.getProperties(), mv);
        /* step 4 */
        return ValType.Object;
    }
    mv.enterVariableScope();
    /* step 1 */
    Variable<OrdinaryObject> object = mv.newVariable("object", OrdinaryObject.class);
    mv.loadExecutionContext();
    mv.get(Fields.Intrinsics_ObjectPrototype);
    mv.invoke(Methods.OrdinaryObject_ObjectCreate);
    mv.store(object);
    int decoratorsCount = decoratedMethods.stream().mapToInt(m -> m.getDecorators().size()).sum();
    int decoratorsLength = decoratorsCount + decoratedMethods.size();
    StoreToArray<Object> methodDecorators = StoreToArray.create("methodDecorators", decoratorsLength, Object[].class, mv);
    /* steps 2-3 */
    PropertyEvaluation(codegen, node.getProperties(), object, methodDecorators, mv);
    MethodName decoratorsMethod = mv.compile(node, this::objectMethodDecorators);
    // 0 = hint for stacktraces to omit this frame
    mv.lineInfo(0);
    mv.invoke(decoratorsMethod, mv.executionContext(), object, methodDecorators.array);
    mv.load(object);
    mv.exitVariableScope();
    /* step 4 */
    return ValType.Object;
}

Example 12 with ValType

use of com.github.anba.es6draft.compiler.DefaultCodeGenerator.ValType in project es6draft by anba.

the class ExpressionGenerator method visit.

/**
 * 12.3.6.1 Runtime Semantics: ArgumentListEvaluation
 */
@Override
public ValType visit(CallSpreadElement node, CodeVisitor mv) {
    ValType type = node.getExpression().accept(this, mv);
    mv.toBoxed(type);
    mv.loadExecutionContext();
    mv.lineInfo(node);
    mv.invoke(Methods.CallOperations_spreadArray);
    // actually Object[]
    return ValType.Any;
}

Example 13 with ValType

use of com.github.anba.es6draft.compiler.DefaultCodeGenerator.ValType in project es6draft by anba.

the class ExpressionGenerator method ArrayAccumulationSpreadElement.

private void ArrayAccumulationSpreadElement(SpreadElement spread, CodeVisitor mv) {
    // stack: [array, nextIndex] -> [nextIndex']
    ValType spreadType = spread.accept(this, mv);
    mv.toBoxed(spreadType);
    mv.loadExecutionContext();
    mv.lineInfo(spread);
    mv.invoke(Methods.ArrayOperations_spreadElement);
}

Example 14 with ValType

use of com.github.anba.es6draft.compiler.DefaultCodeGenerator.ValType in project es6draft by anba.

the class ExpressionGenerator method visit.

/**
 * 12.4.4.1 Runtime Semantics: Evaluation<br>
 * 12.4.5.1 Runtime Semantics: Evaluation<br>
 * 12.4.6.1 Runtime Semantics: Evaluation<br>
 * 12.4.7.1 Runtime Semantics: Evaluation<br>
 */
@Override
public ValType visit(UpdateExpression node, CodeVisitor mv) {
    LeftHandSideExpression expr = (LeftHandSideExpression) node.getOperand();
    ReferenceOp<LeftHandSideExpression> op = ReferenceOp.of(expr);
    ValType type = op.referenceForUpdate(expr, mv, codegen);
    ValType vtype = op.getValue(expr, type, mv);
    vtype = ToNumeric(vtype, mv);
    if (!node.getOperator().isPostfix()) {
        invokeDynamicOperator(node.getOperator(), mv);
        return op.putValue(expr, type, vtype, node.hasCompletion(), mv);
    }
    if (node.hasCompletion()) {
        Value<?> currentValue = op.dupOrStoreValue(type, vtype, mv);
        invokeDynamicOperator(node.getOperator(), mv);
        op.putValue(expr, type, vtype, mv);
        mv.load(currentValue);
        return vtype;
    }
    invokeDynamicOperator(node.getOperator(), mv);
    op.putValue(expr, type, vtype, mv);
    return ValType.Empty;
}

Example 15 with ValType

use of com.github.anba.es6draft.compiler.DefaultCodeGenerator.ValType in project es6draft by anba.

the class ExpressionGenerator method visit.

/**
 * 12.15.3 Runtime Semantics: Evaluation
 */
@Override
public ValType visit(CommaExpression node, CodeVisitor mv) {
    assert !node.getOperands().isEmpty() : "empty comma expression";
    int count = node.getOperands().size();
    for (Expression e : node.getOperands()) {
        if (--count == 0) {
            return e.accept(this, mv);
        }
        ValType type = e.emptyCompletion().accept(this, mv);
        mv.pop(type);
    }
    return null;
}