slcom/slangc/model/expressions/NewClearedArrayExpression.sauce

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package slangc.model.expressions;
import slangc.api.BytecodeInstructionWriter;
import slangc.api.Reporter;
import slangc.bytecode.TypeSignature;
import slangc.model.ExpressionModel;
import slangc.model.ExpressionOwner;
import slangc.model.ExpressionResult;
import slangc.model.TypeModel;
import slangc.parser.Branch;
import slangc.parser.Node;
public class NewClearedArrayExpression extends ExpressionModel implements ExpressionOwner {
TypeModel type;
ExpressionModel sizeExpression;
public NewClearedArrayExpression(ExpressionOwner owner, Node source) {
super(owner, source);
// NOTE: Since the final [...] is given with the sizeExpression instead of with
// the rest of the type, we need to manually find the array type for the declared type:
TypeModel base = owner.resolveType(((Branch)source).getSubnode(1));
if (base != null) {
type = base.getOrCreateArrayInstance();
}
sizeExpression = ExpressionModel.construct(this, ((Branch)source).getSubnode(3));
}
public TypeModel getType() {
return type;
}
public ExpressionModel getSizeExpression() {
return sizeExpression;
}
@Override
public void dump(Reporter reporter, String indent, String incr) {
reporter.note("DUMP", indent + "> New cleared array expression of '" + getType() + "'");
dumpResolved(reporter, indent + incr, incr);
sizeExpression.dump(reporter, indent + incr, incr);
}
@Override
public ExpressionModel[] getSubexpressions() {
return new ExpressionModel[] {sizeExpression};
}
@Override
public TypeModel getExpectedResult(ExpressionModel e) {
// TODO maybe should be int?
return null;
}
@Override
protected ExpressionResult resolveResult() {
return new ExpressionResult.TypedValue(type);
}
@Override
public TypeSignature innerGenerate(BytecodeInstructionWriter w) {
TypeSignature xt = sizeExpression.generate(w);
w.genNewArray(type.getTypeSignature());
return type.getTypeSignature();
}
public TypeModel resolveType(Node n) {
return super.resolveType(n); // TODO: Better support for interfaces
}
}