95 lines
2.8 KiB
Plaintext
95 lines
2.8 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.ClauseModel;
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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.MethodModel;
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import slangc.model.TypeModel;
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import slangc.model.UserTypeModel;
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import slangc.model.clauses.Arguments;
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import slangc.parser.Branch;
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import slangc.parser.Node;
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public class SuperConstructorCallExpression extends ExpressionModel implements ExpressionOwner {
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private Arguments arguments;
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private boolean approvedLocation = false;
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public SuperConstructorCallExpression(ExpressionOwner owner, Node source) {
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super(owner, source);
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arguments = (Arguments)ClauseModel.construct(this, ((Branch)source).getSubnode(1));
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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 + "> Super constructor call of:");
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dumpResolved(reporter, indent + incr, incr);
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arguments.dump(reporter, indent + incr, incr);
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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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public Arguments getArguments() {
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return arguments;
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}
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@Override
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public ExpressionModel[] getSubexpressions() {
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return arguments.getSubexpressions();
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}
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@Override
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protected ExpressionResult resolveResult() {
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targetMethod = bestTargetMethod(((UserTypeModel)getMethodOrField().getOwner()).getBaseClass().getInstanceConstructors(), arguments);
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// Super/this constructor calls shouldn't be used within expressions
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// so they can be assumed to return void even though logically they kind-of
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// return the object they create
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return ExpressionResult.VOID;
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}
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private MethodModel targetMethod = null;
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@Override
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public boolean hasTargetMethod() {
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return true;
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}
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@Override
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public MethodModel getTargetMethod() {
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// TODO Auto-generated method stub
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return targetMethod;
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}
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@Override
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public TypeSignature innerGenerate(BytecodeInstructionWriter w) {
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if (!isApprovedLocation()) {
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w.genError("Constructors can't be called in this context");
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}
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//w.genThis();
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arguments.generate(w, getTargetMethod(), true);
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w.genNestedConstructorCall(getTargetMethod().getMethodSignature());
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return TypeSignature.VOID;
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}
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public boolean isApprovedLocation() {
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return approvedLocation;
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}
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public void setApprovedLocation(boolean approvedLocation) {
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this.approvedLocation = approvedLocation;
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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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