Example usage for org.eclipse.jdt.internal.compiler.codegen CodeStream generateUnboxingConversion

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.compiler.codegen CodeStream generateUnboxingConversion.

Prototype

public void generateUnboxingConversion(int unboxedTypeID) 

Source Link

Usage

From source file:org.eclipse.objectteams.otdt.internal.core.compiler.ast.TSuperMessageSend.java

License:Open Source License

@Override
public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
    // for code gen we need to add the marker arg... 
    int len = this.binding.parameters.length;
    TypeBinding[] extendedParameters = new TypeBinding[len + 1];
    System.arraycopy(this.binding.parameters, 0, extendedParameters, 0, len);
    char[] tSuperMarkName = TSuperHelper.getTSuperMarkName(this.tsuperReference.resolvedType.enclosingType());
    extendedParameters[len] = currentScope.getType(tSuperMarkName);

    // ... and find the copied method binding
    MethodBinding codegenBinding = currentScope.getMethod(this.actualReceiverType, this.selector,
            extendedParameters, this);

    if (codegenBinding.problemId() == ProblemReasons.NotFound) {
        // tsuper.m() may in fact refer to tsuper.super.m().
        // try to find the method as super.tsuper() instead:
        ReferenceBinding superRole = ((ReferenceBinding) this.receiver.resolvedType).superclass();
        codegenBinding = getAlternateMethod(currentScope, superRole, extendedParameters);
        if (codegenBinding == null)
            codegenBinding = getAlternateMethod(currentScope, superRole, this.binding.parameters);
        if (codegenBinding == null)
            throw new InternalCompilerError("cannot find real method binding for tsuper call!"); //$NON-NLS-1$

        this.receiver = new SuperReference(this.receiver.sourceStart, this.receiver.sourceEnd);
        this.receiver.resolvedType = superRole;
        this.receiver.constant = Constant.NotAConstant;
        this.actualReceiverType = superRole;
    }/*from   w w  w . j a v  a 2 s  .co  m*/

    MethodBinding tsuperMethod = this.binding;
    this.binding = codegenBinding;
    try {
        super.generateCode(currentScope, codeStream, valueRequired);
    } finally {
        this.binding = tsuperMethod;
    }

    if (valueRequired && this.binding.isCallin()) {
        if (this.resolvedType != null && this.resolvedType.isValidBinding()) {
            if (this.resolvedType.isBaseType()) {
                // something like: ((Integer)result).intValue()
                char[][] boxtypeName = AstGenerator.boxTypeName((BaseTypeBinding) this.resolvedType);
                codeStream.checkcast(currentScope.getType(boxtypeName, 3));
                codeStream.generateUnboxingConversion(this.resolvedType.id);
            } else {
                // (RefType)result
                codeStream.checkcast(this.resolvedType);
            }
        }
    }
}

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