82 lines
3.2 KiB
Plaintext
82 lines
3.2 KiB
Plaintext
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package slangc.model.clauses;
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import slangc.api.BytecodeInstructionWriter;
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import slangc.bytecode.MethodSignature;
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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.InnerTypeScope;
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import slangc.model.MemberModel;
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import slangc.model.MethodModel;
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import slangc.model.ParameterSet;
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import slangc.model.StatementOwner;
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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 Arguments extends Expressions implements ExpressionOwner {
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public Arguments(ExpressionOwner owner, Branch source) {
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super(owner, (Branch)source.getSubnode(1));
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// TODO Auto-generated constructor stub
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}
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@Override
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public InnerTypeScope getTypeScope() {
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return getOwner().getTypeScope();
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}
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@Override
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public TypeModel resolveType(Node subnode) {
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return getOwner().resolveType(subnode);
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}
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@Override
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public MemberModel getMethodOrField() {
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return getOwner().getMethodOrField();
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}
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public void generate(BytecodeInstructionWriter w, MethodModel method, boolean allowVarargs) {
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ParameterSet params = method.getParameters();
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for (int i = 0; i < params.countNonVarargParameters(); i++) {
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ExpressionModel e = getExpression(i);
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TypeSignature et = e.generate(w);
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if (!et.mappableEquals(params.getParameter(i).getStorageType().getTypeSignature())) {
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w.genConvert(et, params.getParameter(i).getStorageType().getTypeSignature());
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}
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}
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if (!allowVarargs ||
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(params.isVarargs()
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&& params.countParameters() == countExpressions()
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&& getExpression(params.countNonVarargParameters()).getResult()
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.getValueTypeWithNullType(params.getVarargsParameter().getStorageType()).getTypeSignature()
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== params.getVarargsParameter().getStorageType().getTypeSignature())) {
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ExpressionModel e = getExpression(params.countNonVarargParameters());
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TypeSignature et = e.generate(w);
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if (!et.mappableEquals(params.getParameter(params.countNonVarargParameters()).getStorageType().getTypeSignature())) {
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w.genConvert(et, params.getParameter(params.countNonVarargParameters()).getStorageType().getTypeSignature());
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}
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} else if (allowVarargs && params.isVarargs()) {
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TypeSignature arrtype = params.getVarargsParameter().getStorageType().getTypeSignature();
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w.genConst(w.getTarget().getHeap().getConstInt32("" + (countExpressions() - params.countNonVarargParameters())));
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w.genNewArray(arrtype);
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for (int i = params.countNonVarargParameters(); i < countExpressions(); i++) {
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w.genDup(arrtype);
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ExpressionModel e = getExpression(i);
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TypeSignature et = e.generate(w);
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if (!et.mappableEquals(params.getVarargsElementType().getTypeSignature())) {
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w.genConvert(et, params.getVarargsElementType().getTypeSignature());
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et = params.getVarargsElementType().getTypeSignature();
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}
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w.genSwap(et, arrtype);
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w.genConst(w.getTarget().getHeap().getConstInt32("" + (i - params.countNonVarargParameters())));
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//w.genSwap(getSystem().getDefaultInt32Type().getTypeSignature(), getResult().getValueType().getTypeSignature());
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w.genArrayStore(params.getVarargsElementType().getTypeSignature());
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}
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}
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}
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}
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