From dd8b6673603ac3e6d44615fa97c4d3c13cc06dd9 Mon Sep 17 00:00:00 2001
From: Nikolay Krasko <Nikolay.Krasko@jetbrains.com>
Date: Wed, 27 Apr 2016 16:48:02 +0300
Subject: [PATCH] Don't analyze function body if only parameter analyze is
 requested

---
 .../kotlin/idea/project/ResolveElementCache.kt   |  8 ++++++++
 .../kotlin/idea/ResolveElementCacheTest.kt       | 16 ++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/project/ResolveElementCache.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/project/ResolveElementCache.kt
index 67c8c3b39bd..b2648f1f566 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/project/ResolveElementCache.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/project/ResolveElementCache.kt
@@ -243,6 +243,14 @@ class ResolveElementCache(
                 return elementOfAdditionalResolve
             }
 
+            is KtDeclaration -> {
+                if (element is KtParameter && !KtPsiUtil.isLocal(element)) {
+                    return null
+                }
+
+                return elementOfAdditionalResolve
+            }
+
             else -> return elementOfAdditionalResolve
         }
     }
diff --git a/idea/tests/org/jetbrains/kotlin/idea/ResolveElementCacheTest.kt b/idea/tests/org/jetbrains/kotlin/idea/ResolveElementCacheTest.kt
index 92cec8bb128..efbc950dd94 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/ResolveElementCacheTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/ResolveElementCacheTest.kt
@@ -323,6 +323,22 @@ class C(param1: String = "", param2: Int = 0) {
         )
     }
 
+    fun testNoBodyResolveOnFunctionParameterAnalyze() {
+        val file = configureWithKotlin(
+                """
+                fun test(a: String) {
+                    unresolved // Check diagnostics is empty even in FULL mode when starting analyzing for parameter
+                }
+                """)
+
+        val function = file.declarations[0] as KtNamedFunction
+        val functionParameter = function.valueParameters.first()
+
+        val context = functionParameter.analyze(BodyResolveMode.FULL)
+
+        assertEmpty(context.diagnostics.all())
+    }
+
     private fun configureWithKotlin(@Language("kotlin") text: String): KtFile {
         return myFixture.configureByText("Test.kt", text.trimIndent()) as KtFile
     }