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added renderers for constraint system and type bounds

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moved classes
This commit is contained in:
Svetlana Isakova
2013-12-27 14:58:09 +04:00
parent 45abab2a2c
commit c5d9757b94
4 changed files with 77 additions and 20 deletions
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compiler/frontend/src/org/jetbrains/jet/lang/diagnostics/rendering/Renderers.java
+42
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@@ -40,8 +40,11 @@ import org.jetbrains.jet.renderer.Renderer;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import static org.jetbrains.jet.lang.diagnostics.rendering.TabledDescriptorRenderer.*;
import static org.jetbrains.jet.lang.resolve.calls.inference.TypeBounds.BoundKind.LOWER_BOUND;
import static org.jetbrains.jet.lang.resolve.calls.inference.TypeBounds.BoundKind.UPPER_BOUND;
public class Renderers {
public static final Renderer<Object> TO_STRING = new Renderer<Object>() {
@@ -342,6 +345,45 @@ public class Renderers {
}
};
public static final Renderer<ConstraintSystem> RENDER_CONSTRAINT_SYSTEM = new Renderer<ConstraintSystem>() {
@NotNull
@Override
public String render(@NotNull ConstraintSystem constraintSystem) {
Set<TypeParameterDescriptor> typeVariables = constraintSystem.getTypeVariables();
Set<TypeBounds> typeBounds = Sets.newLinkedHashSet();
for (TypeParameterDescriptor variable : typeVariables) {
typeBounds.add(constraintSystem.getTypeBounds(variable));
}
Function<TypeBounds, String> renderTypeBounds = rendererToFunction(RENDER_TYPE_BOUNDS);
return "type parameter bounds: \n" + StringUtil.join(typeBounds, renderTypeBounds, ";\n") + "\n" +
"status:\n" + ConstraintsUtil.getDebugMessageForStatus(constraintSystem.getStatus());
}
};
public static final Renderer<TypeBounds> RENDER_TYPE_BOUNDS = new Renderer<TypeBounds>() {
@NotNull
@Override
public String render(@NotNull TypeBounds typeBounds) {
Function<TypeBoundsImpl.Bound, String> renderBound = new Function<TypeBoundsImpl.Bound, String>() {
@Override
public String fun(TypeBoundsImpl.Bound bound) {
String arrow = bound.kind == LOWER_BOUND ? "<: " : bound.kind == UPPER_BOUND ? ">: " : "= ";
return arrow + bound.type + '(' + bound.position + ')';
}
};
return typeBounds.getTypeVariable().getName() + " " + StringUtil.join(typeBounds.getBounds(), renderBound, ", ");
}
};
@NotNull
public static <T> Function<T, String> rendererToFunction(final @NotNull Renderer<T> renderer) {
return new Function<T, String>() {
@Override
public String fun(T t) {
return renderer.render(t);
}
};
}
private Renderers() {
}