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