97 lines
3.1 KiB
Plaintext
97 lines
3.1 KiB
Plaintext
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.FieldModel;
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import slangc.model.Named;
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import slangc.model.StorageSlot;
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import slangc.model.TypeModel;
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import slangc.model.UserTypeModel;
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import slangc.parser.Branch;
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import slangc.parser.ErrorType;
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import slangc.parser.Node;
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public class SuperReferenceExpression extends ExpressionModel implements ExpressionOwner {
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private String name;
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public SuperReferenceExpression(ExpressionOwner owner, Node source) {
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super(owner, source);
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name = UserTypeModel.plainName(((Branch)source).getSubnode(2));
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//sourceFile.annotate(ErrorType.INTERNAL_ERROR, "Unrecognised expression (Internal error/TODO)");
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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 + "> SuperReference expression '" + name + "'");
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dumpResolved(reporter, indent + incr, incr);
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}
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public String getName() {
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return name;
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}
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@Override
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public TypeModel getExpectedResult(ExpressionModel e) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public ExpressionModel[] getSubexpressions() {
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return NO_SUBEXPRESSIONS;
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}
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@Override
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protected ExpressionResult resolveResult() {
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TypeModel superType = ((UserTypeModel) getOwner().getMethodOrField().getOwner()).getBaseClass();
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if (superType.hasInnerType(name)) {
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return new ExpressionResult.PointsToType(superType.getInnerType(name));
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} else if (superType.hasField(name, true)) {
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return new ExpressionResult.PointsToStorageSlot(superType.getField(name, true));
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} else {
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getSource().annotate(ErrorType.INTERNAL_ERROR, "Can't find '" + name + "' within super-type " + superType);
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return ExpressionResult.INVALID;
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}
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}
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@Override
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public TypeSignature innerGenerate(BytecodeInstructionWriter w) {
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ExpressionResult.PointsToStorageSlot s = (ExpressionResult.PointsToStorageSlot)getResult();
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StorageSlot slot = s.getSlot();
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if (slot instanceof FieldModel) {
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FieldModel f = (FieldModel)slot;
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if (!f.isStatic()) {
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w.genThis();
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}
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w.genLoad(f.getFieldSignature());
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return f.getStorageType().getTypeSignature();
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} else {
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w.genError("TODO: innerGenerate for " + Type.of(this) + " with slot " + slot);
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return null;
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}
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}
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@Override
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public void generateStore(BytecodeInstructionWriter w, TypeSignature storing) {
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ExpressionResult.PointsToStorageSlot s = (ExpressionResult.PointsToStorageSlot)getResult();
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StorageSlot slot = s.getSlot();
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if (slot instanceof FieldModel) {
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FieldModel f = (FieldModel)slot;
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if (!f.isStatic()) {
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w.genThis();
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}
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w.genStore(f.getFieldSignature());
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} else {
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w.genError("TODO: generateStore for " + Type.of(this) + " with slot " + slot);
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}
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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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