Record 'a!!', 'a ?: b' special calls by operation reference

compiler/frontend/src/org/jetbrains/jet/lang/resolve/BindingContextUtils.kt

@@ -32,7 +32,10 @@ import org.jetbrains.jet.lang.psi.JetSimpleNameExpression
 
 /**
  *  For expressions like <code>a(), a[i], a.b.c(), +a, a + b, (a()), a(): Int, @label a()</code>
- *  returns a corresponding call
+ *  returns a corresponding call.
+ *
+ *  Note: special construction like <code>a!!, a ?: b, if (c) a else b</code> are resolved as calls,
+ *  so there is a corresponding call for them.
  */
 fun JetExpression.getCorrespondingCall(bindingContext: BindingContext): Call? {
     val expr = JetPsiUtil.deparenthesize(this)

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/BasicExpressionTypingVisitor.java

@@ -713,7 +713,7 @@ public class BasicExpressionTypingVisitor extends ExpressionTypingVisitor {
         JetSimpleNameExpression operationSign = expression.getOperationReference();
         assert operationSign.getReferencedNameElementType() == JetTokens.EXCLEXCL;
 
-        Call call = createCallForSpecialConstruction(expression, Collections.singletonList(baseExpression));
+        Call call = createCallForSpecialConstruction(expression, expression.getOperationReference(), Collections.singletonList(baseExpression));
         components.controlStructureTypingUtils.resolveSpecialConstructionAsCall(
                 call, "ExclExcl", Collections.singletonList("baseExpr"), Collections.singletonList(true), context, null);
         JetTypeInfo baseTypeInfo = BindingContextUtils.getRecordedTypeInfo(baseExpression, context.trace.getBindingContext());
@@ -982,7 +982,7 @@ public class BasicExpressionTypingVisitor extends ExpressionTypingVisitor {
             return JetTypeInfo.create(null, context.dataFlowInfo);
         }
 
-        Call call = createCallForSpecialConstruction(expression, Lists.newArrayList(left, right));
+        Call call = createCallForSpecialConstruction(expression, expression.getOperationReference(), Lists.newArrayList(left, right));
         ResolvedCall<FunctionDescriptor> resolvedCall = components.controlStructureTypingUtils.resolveSpecialConstructionAsCall(
                 call, "Elvis", Lists.newArrayList("left", "right"), Lists.newArrayList(true, false), contextWithExpectedType, null);
         JetTypeInfo leftTypeInfo = BindingContextUtils.getRecordedTypeInfo(left, context.trace.getBindingContext());

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/ControlStructureTypingUtils.java

@@ -158,6 +158,7 @@ public class ControlStructureTypingUtils {
 
     /*package*/ static Call createCallForSpecialConstruction(
             @NotNull final JetExpression expression,
+            @NotNull final JetExpression calleeExpression,
             @NotNull List<? extends JetExpression> arguments
     ) {
         final List<ValueArgument> valueArguments = Lists.newArrayList();
@@ -186,7 +187,7 @@ public class ControlStructureTypingUtils {
             @Nullable
             @Override
             public JetExpression getCalleeExpression() {
-                return expression;
+                return calleeExpression;
             }
 
             @Nullable
@@ -345,8 +346,7 @@ public class ControlStructureTypingUtils {
                 if (status.hasErrorInConstrainingTypes()) {
                     return;
                 }
-                JetExpression expression = call.getCalleeExpression();
+                JetExpression expression = (JetExpression) call.getCallElement();
-                if (expression == null) return;
                 if (status.hasOnlyErrorsFromPosition(ConstraintPosition.EXPECTED_TYPE_POSITION) || status.hasConflictingConstraints()) {
                     expression.accept(checkTypeVisitor, new CheckTypeContext(trace, data.expectedType));
                     return;

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/ControlStructureTypingVisitor.java

@@ -115,7 +115,7 @@ public class ControlStructureTypingVisitor extends ExpressionTypingVisitor {
         }
         JetBlockExpression thenBlock = JetPsiFactory.wrapInABlock(thenBranch);
         JetBlockExpression elseBlock = JetPsiFactory.wrapInABlock(elseBranch);
-        Call callForIf = createCallForSpecialConstruction(ifExpression, Lists.newArrayList(thenBlock, elseBlock));
+        Call callForIf = createCallForSpecialConstruction(ifExpression, ifExpression, Lists.newArrayList(thenBlock, elseBlock));
         MutableDataFlowInfoForArguments dataFlowInfoForArguments =
                     createDataFlowInfoForArgumentsForIfCall(callForIf, thenInfo, elseInfo);
         ResolvedCall<FunctionDescriptor> resolvedCall = components.controlStructureTypingUtils.resolveSpecialConstructionAsCall(