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refactoring: register type variable together

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This commit is contained in:
Svetlana Isakova
2013-09-25 20:50:52 +04:00
parent de85d3df72
commit c150c22473
5 changed files with 17 additions and 11 deletions
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core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintSystem.java
+3 -3
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@@ -23,15 +23,15 @@ import org.jetbrains.jet.lang.types.JetType;
import org.jetbrains.jet.lang.types.TypeSubstitutor;
import org.jetbrains.jet.lang.types.Variance;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
public interface ConstraintSystem {
/**
* Registers a variable in a constraint system.
* Registers variables in a constraint system.
*/
void registerTypeVariable(@NotNull TypeParameterDescriptor typeVariable, @NotNull Variance positionVariance);
void registerTypeVariables(@NotNull Map<TypeParameterDescriptor, Variance> typeVariables);
/**
* Returns a set of all registered type variables.
core/descriptors/src/org/jetbrains/jet/lang/resolve/calls/inference/ConstraintSystemImpl.java
+6 -2
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@@ -163,8 +163,12 @@ public class ConstraintSystemImpl implements ConstraintSystem {
}
@Override
public void registerTypeVariable(@NotNull TypeParameterDescriptor typeVariable, @NotNull Variance positionVariance) {
typeParameterConstraints.put(typeVariable, new TypeConstraintsImpl(positionVariance));
public void registerTypeVariables(@NotNull Map<TypeParameterDescriptor, Variance> typeVariables) {
for (Map.Entry<TypeParameterDescriptor, Variance> entry : typeVariables.entrySet()) {
TypeParameterDescriptor typeVariable = entry.getKey();
Variance positionVariance = entry.getValue();
typeParameterConstraints.put(typeVariable, new TypeConstraintsImpl(positionVariance));
}
}
@Override
core/descriptors/src/org/jetbrains/jet/lang/types/TypeUtils.java
+1 -3
View File
@@ -261,9 +261,7 @@ public class TypeUtils {
processAllTypeParameters(withParameters, Variance.INVARIANT, processor);
processAllTypeParameters(expected, Variance.INVARIANT, processor);
ConstraintSystemImpl constraintSystem = new ConstraintSystemImpl();
for (Map.Entry<TypeParameterDescriptor, Variance> entry : parameters.entrySet()) {
constraintSystem.registerTypeVariable(entry.getKey(), entry.getValue());
}
constraintSystem.registerTypeVariables(parameters);
constraintSystem.addSubtypeConstraint(withParameters, expected, ConstraintPosition.SPECIAL);
return constraintSystem.getStatus().isSuccessful();