Dump more information about expressions involving temporaries when dumping the AST to JSON.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@363943 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 516 insertions, 2 deletions

diff --git a/include/clang/AST/JSONNodeDumper.h b/include/clang/AST/JSONNodeDumper.h
index 4ed3c4bda2..ce39ffb6b0 100644
--- a/include/clang/AST/JSONNodeDumper.h
+++ b/include/clang/AST/JSONNodeDumper.h
@@ -255,6 +255,9 @@ public:
   void VisitGenericSelectionExpr(const GenericSelectionExpr *GSE);
   void VisitCXXUnresolvedConstructExpr(const CXXUnresolvedConstructExpr *UCE);
   void VisitCXXConstructExpr(const CXXConstructExpr *CE);
+  void VisitExprWithCleanups(const ExprWithCleanups *EWC);
+  void VisitCXXBindTemporaryExpr(const CXXBindTemporaryExpr *BTE);
+  void VisitMaterializeTemporaryExpr(const MaterializeTemporaryExpr *MTE);
 
   void VisitIntegerLiteral(const IntegerLiteral *IL);
   void VisitCharacterLiteral(const CharacterLiteral *CL);
diff --git a/lib/AST/JSONNodeDumper.cpp b/lib/AST/JSONNodeDumper.cpp
index 15e198db46..24d44cfafe 100644
--- a/lib/AST/JSONNodeDumper.cpp
+++ b/lib/AST/JSONNodeDumper.cpp
@@ -1026,6 +1026,51 @@ void JSONNodeDumper::VisitCXXConstructExpr(const CXXConstructExpr *CE) {
   }
 }
 
+void JSONNodeDumper::VisitExprWithCleanups(const ExprWithCleanups *EWC) {
+  attributeOnlyIfTrue("cleanupsHaveSideEffects",
+                      EWC->cleanupsHaveSideEffects());
+  if (EWC->getNumObjects()) {
+    JOS.attributeArray("cleanups", [this, EWC] {
+      for (const ExprWithCleanups::CleanupObject &CO : EWC->getObjects())
+        JOS.value(createBareDeclRef(CO));
+    });
+  }
+}
+
+void JSONNodeDumper::VisitCXXBindTemporaryExpr(
+    const CXXBindTemporaryExpr *BTE) {
+  const CXXTemporary *Temp = BTE->getTemporary();
+  JOS.attribute("temp", createPointerRepresentation(Temp));
+  if (const CXXDestructorDecl *Dtor = Temp->getDestructor())
+    JOS.attribute("dtor", createBareDeclRef(Dtor));
+}
+
+void JSONNodeDumper::VisitMaterializeTemporaryExpr(
+    const MaterializeTemporaryExpr *MTE) {
+  if (const ValueDecl *VD = MTE->getExtendingDecl())
+    JOS.attribute("extendingDecl", createBareDeclRef(VD));
+
+  switch (MTE->getStorageDuration()) {
+  case SD_Automatic:
+    JOS.attribute("storageDuration", "automatic");
+    break;
+  case SD_Dynamic:
+    JOS.attribute("storageDuration", "dynamic");
+    break;
+  case SD_FullExpression:
+    JOS.attribute("storageDuration", "full expression");
+    break;
+  case SD_Static:
+    JOS.attribute("storageDuration", "static");
+    break;
+  case SD_Thread:
+    JOS.attribute("storageDuration", "thread");
+    break;
+  }
+
+  attributeOnlyIfTrue("boundToLValueRef", MTE->isBoundToLvalueReference());
+}
+
 void JSONNodeDumper::VisitIntegerLiteral(const IntegerLiteral *IL) {
   JOS.attribute("value",
                 IL->getValue().toString(
diff --git a/test/AST/ast-dump-decl-json.m b/test/AST/ast-dump-decl-json.m
index 1c816f3111..88d306c70e 100644
--- a/test/AST/ast-dump-decl-json.m
+++ b/test/AST/ast-dump-decl-json.m
@@ -83,6 +83,7 @@ void f() {
   __typeof__(B.foo) Test;
 }
 
+
 // CHECK:  "kind": "ObjCInterfaceDecl", 
 // CHECK-NEXT:  "loc": {
 // CHECK-NEXT:   "col": 12, 
@@ -1492,6 +1493,13 @@ void f() {
 // CHECK-NEXT:       "qualType": "void (^)(int, ...)"
 // CHECK-NEXT:      }, 
 // CHECK-NEXT:      "valueCategory": "rvalue", 
+// CHECK-NEXT:      "cleanupsHaveSideEffects": true, 
+// CHECK-NEXT:      "cleanups": [
+// CHECK-NEXT:       {
+// CHECK-NEXT:        "id": "0x{{.*}}", 
+// CHECK-NEXT:        "kind": "BlockDecl"
+// CHECK-NEXT:       }
+// CHECK-NEXT:      ], 
 // CHECK-NEXT:      "inner": [
 // CHECK-NEXT:       {
 // CHECK-NEXT:        "id": "0x{{.*}}", 
@@ -1701,4 +1709,3 @@ void f() {
 // CHECK-NEXT:   "qualType": "typeof (B.foo)"
 // CHECK-NEXT:  }
 // CHECK-NEXT: }
-
diff --git a/test/AST/ast-dump-stmt-json.m b/test/AST/ast-dump-stmt-json.m
index 0aee71c244..9647f4a78c 100644
--- a/test/AST/ast-dump-stmt-json.m
+++ b/test/AST/ast-dump-stmt-json.m
@@ -104,6 +104,13 @@ void TestObjCAtCatchStmt() {
 // CHECK-NEXT:       "qualType": "void (^)(void)"
 // CHECK-NEXT:      }, 
 // CHECK-NEXT:      "valueCategory": "rvalue", 
+// CHECK-NEXT:      "cleanupsHaveSideEffects": true, 
+// CHECK-NEXT:      "cleanups": [
+// CHECK-NEXT:       {
+// CHECK-NEXT:        "id": "0x{{.*}}", 
+// CHECK-NEXT:        "kind": "BlockDecl"
+// CHECK-NEXT:       }
+// CHECK-NEXT:      ], 
 // CHECK-NEXT:      "inner": [
 // CHECK-NEXT:       {
 // CHECK-NEXT:        "id": "0x{{.*}}", 
@@ -322,6 +329,13 @@ void TestObjCAtCatchStmt() {
 // CHECK-NEXT:       "qualType": "void (^)(void)"
 // CHECK-NEXT:      }, 
 // CHECK-NEXT:      "valueCategory": "rvalue", 
+// CHECK-NEXT:      "cleanupsHaveSideEffects": true, 
+// CHECK-NEXT:      "cleanups": [
+// CHECK-NEXT:       {
+// CHECK-NEXT:        "id": "0x{{.*}}", 
+// CHECK-NEXT:        "kind": "BlockDecl"
+// CHECK-NEXT:       }
+// CHECK-NEXT:      ], 
 // CHECK-NEXT:      "inner": [
 // CHECK-NEXT:       {
 // CHECK-NEXT:        "id": "0x{{.*}}", 
@@ -716,4 +730,3 @@ void TestObjCAtCatchStmt() {
 // CHECK-NEXT:   }
 // CHECK-NEXT:  ]
 // CHECK-NEXT: }
-
diff --git a/test/AST/ast-dump-temporaries-json.cpp b/test/AST/ast-dump-temporaries-json.cpp
new file mode 100644
index 0000000000..dbd6f29fd0
--- /dev/null
+++ b/test/AST/ast-dump-temporaries-json.cpp
@@ -0,0 +1,446 @@
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -fsyntax-only -ast-dump=json %s | FileCheck %s
+
+struct S {
+  S() {}
+  ~S() {}
+};
+
+void func(const int &);
+
+void BindTemp() {
+  const S &s = S();
+}
+
+void MaterializeTemp() {
+  const int &i = 1.0;
+
+  float f = 1.0f;
+  func(f);
+}
+
+
+
+// CHECK:  "kind": "ExprWithCleanups",
+// CHECK-NEXT:  "range": {
+// CHECK-NEXT:   "begin": {
+// CHECK-NEXT:    "col": 16,
+// CHECK-NEXT:    "file": "{{.*}}",
+// CHECK-NEXT:    "line": 11
+// CHECK-NEXT:   },
+// CHECK-NEXT:   "end": {
+// CHECK-NEXT:    "col": 18,
+// CHECK-NEXT:    "file": "{{.*}}",
+// CHECK-NEXT:    "line": 11
+// CHECK-NEXT:   }
+// CHECK-NEXT:  },
+// CHECK-NEXT:  "type": {
+// CHECK-NEXT:   "qualType": "const S"
+// CHECK-NEXT:  },
+// CHECK-NEXT:  "valueCategory": "lvalue",
+// CHECK-NEXT:  "cleanupsHaveSideEffects": true,
+// CHECK-NEXT:  "inner": [
+// CHECK-NEXT:   {
+// CHECK-NEXT:    "id": "0x{{.*}}",
+// CHECK-NEXT:    "kind": "MaterializeTemporaryExpr",
+// CHECK-NEXT:    "range": {
+// CHECK-NEXT:     "begin": {
+// CHECK-NEXT:      "col": 16,
+// CHECK-NEXT:      "file": "{{.*}}",
+// CHECK-NEXT:      "line": 11
+// CHECK-NEXT:     },
+// CHECK-NEXT:     "end": {
+// CHECK-NEXT:      "col": 18,
+// CHECK-NEXT:      "file": "{{.*}}",
+// CHECK-NEXT:      "line": 11
+// CHECK-NEXT:     }
+// CHECK-NEXT:    },
+// CHECK-NEXT:    "type": {
+// CHECK-NEXT:     "qualType": "const S"
+// CHECK-NEXT:    },
+// CHECK-NEXT:    "valueCategory": "lvalue",
+// CHECK-NEXT:    "extendingDecl": {
+// CHECK-NEXT:     "id": "0x{{.*}}",
+// CHECK-NEXT:     "kind": "VarDecl",
+// CHECK-NEXT:     "name": "s",
+// CHECK-NEXT:     "type": {
+// CHECK-NEXT:      "qualType": "const S &"
+// CHECK-NEXT:     }
+// CHECK-NEXT:    },
+// CHECK-NEXT:    "storageDuration": "automatic",
+// CHECK-NEXT:    "boundToLValueRef": true,
+// CHECK-NEXT:    "inner": [
+// CHECK-NEXT:     {
+// CHECK-NEXT:      "id": "0x{{.*}}",
+// CHECK-NEXT:      "kind": "ImplicitCastExpr",
+// CHECK-NEXT:      "range": {
+// CHECK-NEXT:       "begin": {
+// CHECK-NEXT:        "col": 16,
+// CHECK-NEXT:        "file": "{{.*}}",
+// CHECK-NEXT:        "line": 11
+// CHECK-NEXT:       },
+// CHECK-NEXT:       "end": {
+// CHECK-NEXT:        "col": 18,
+// CHECK-NEXT:        "file": "{{.*}}",
+// CHECK-NEXT:        "line": 11
+// CHECK-NEXT:       }
+// CHECK-NEXT:      },
+// CHECK-NEXT:      "type": {
+// CHECK-NEXT:       "qualType": "const S"
+// CHECK-NEXT:      },
+// CHECK-NEXT:      "valueCategory": "rvalue",
+// CHECK-NEXT:      "castKind": "NoOp",
+// CHECK-NEXT:      "inner": [
+// CHECK-NEXT:       {
+// CHECK-NEXT:        "id": "0x{{.*}}",
+// CHECK-NEXT:        "kind": "CXXBindTemporaryExpr",
+// CHECK-NEXT:        "range": {
+// CHECK-NEXT:         "begin": {
+// CHECK-NEXT:          "col": 16,
+// CHECK-NEXT:          "file": "{{.*}}",
+// CHECK-NEXT:          "line": 11
+// CHECK-NEXT:         },
+// CHECK-NEXT:         "end": {
+// CHECK-NEXT:          "col": 18,
+// CHECK-NEXT:          "file": "{{.*}}",
+// CHECK-NEXT:          "line": 11
+// CHECK-NEXT:         }
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "type": {
+// CHECK-NEXT:         "qualType": "S"
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "valueCategory": "rvalue",
+// CHECK-NEXT:        "temp": "0x{{.*}}",
+// CHECK-NEXT:        "dtor": {
+// CHECK-NEXT:         "id": "0x{{.*}}",
+// CHECK-NEXT:         "kind": "CXXDestructorDecl",
+// CHECK-NEXT:         "name": "~S",
+// CHECK-NEXT:         "type": {
+// CHECK-NEXT:          "qualType": "void () noexcept"
+// CHECK-NEXT:         }
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "inner": [
+// CHECK-NEXT:         {
+// CHECK-NEXT:          "id": "0x{{.*}}",
+// CHECK-NEXT:          "kind": "CXXTemporaryObjectExpr",
+// CHECK-NEXT:          "range": {
+// CHECK-NEXT:           "begin": {
+// CHECK-NEXT:            "col": 16,
+// CHECK-NEXT:            "file": "{{.*}}",
+// CHECK-NEXT:            "line": 11
+// CHECK-NEXT:           },
+// CHECK-NEXT:           "end": {
+// CHECK-NEXT:            "col": 18,
+// CHECK-NEXT:            "file": "{{.*}}",
+// CHECK-NEXT:            "line": 11
+// CHECK-NEXT:           }
+// CHECK-NEXT:          },
+// CHECK-NEXT:          "type": {
+// CHECK-NEXT:           "qualType": "S"
+// CHECK-NEXT:          },
+// CHECK-NEXT:          "valueCategory": "rvalue",
+// CHECK-NEXT:          "ctorType": {
+// CHECK-NEXT:           "qualType": "void ()"
+// CHECK-NEXT:          },
+// CHECK-NEXT:          "hadMultipleCandidates": true,
+// CHECK-NEXT:          "constructionKind": "complete"
+// CHECK-NEXT:         }
+// CHECK-NEXT:        ]
+// CHECK-NEXT:       }
+// CHECK-NEXT:      ]
+// CHECK-NEXT:     }
+// CHECK-NEXT:    ]
+// CHECK-NEXT:   }
+// CHECK-NEXT:  ]
+// CHECK-NEXT: }
+
+
+// CHECK:  "kind": "ExprWithCleanups",
+// CHECK-NEXT:  "range": {
+// CHECK-NEXT:   "begin": {
+// CHECK-NEXT:    "col": 18,
+// CHECK-NEXT:    "file": "{{.*}}",
+// CHECK-NEXT:    "line": 15
+// CHECK-NEXT:   },
+// CHECK-NEXT:   "end": {
+// CHECK-NEXT:    "col": 18,
+// CHECK-NEXT:    "file": "{{.*}}",
+// CHECK-NEXT:    "line": 15
+// CHECK-NEXT:   }
+// CHECK-NEXT:  },
+// CHECK-NEXT:  "type": {
+// CHECK-NEXT:   "qualType": "const int"
+// CHECK-NEXT:  },
+// CHECK-NEXT:  "valueCategory": "lvalue",
+// CHECK-NEXT:  "inner": [
+// CHECK-NEXT:   {
+// CHECK-NEXT:    "id": "0x{{.*}}",
+// CHECK-NEXT:    "kind": "MaterializeTemporaryExpr",
+// CHECK-NEXT:    "range": {
+// CHECK-NEXT:     "begin": {
+// CHECK-NEXT:      "col": 18,
+// CHECK-NEXT:      "file": "{{.*}}",
+// CHECK-NEXT:      "line": 15
+// CHECK-NEXT:     },
+// CHECK-NEXT:     "end": {
+// CHECK-NEXT:      "col": 18,
+// CHECK-NEXT:      "file": "{{.*}}",
+// CHECK-NEXT:      "line": 15
+// CHECK-NEXT:     }
+// CHECK-NEXT:    },
+// CHECK-NEXT:    "type": {
+// CHECK-NEXT:     "qualType": "const int"
+// CHECK-NEXT:    },
+// CHECK-NEXT:    "valueCategory": "lvalue",
+// CHECK-NEXT:    "extendingDecl": {
+// CHECK-NEXT:     "id": "0x{{.*}}",
+// CHECK-NEXT:     "kind": "VarDecl",
+// CHECK-NEXT:     "name": "i",
+// CHECK-NEXT:     "type": {
+// CHECK-NEXT:      "qualType": "const int &"
+// CHECK-NEXT:     }
+// CHECK-NEXT:    },
+// CHECK-NEXT:    "storageDuration": "automatic",
+// CHECK-NEXT:    "boundToLValueRef": true,
+// CHECK-NEXT:    "inner": [
+// CHECK-NEXT:     {
+// CHECK-NEXT:      "id": "0x{{.*}}",
+// CHECK-NEXT:      "kind": "ImplicitCastExpr",
+// CHECK-NEXT:      "range": {
+// CHECK-NEXT:       "begin": {
+// CHECK-NEXT:        "col": 18,
+// CHECK-NEXT:        "file": "{{.*}}",
+// CHECK-NEXT:        "line": 15
+// CHECK-NEXT:       },
+// CHECK-NEXT:       "end": {
+// CHECK-NEXT:        "col": 18,
+// CHECK-NEXT:        "file": "{{.*}}",
+// CHECK-NEXT:        "line": 15
+// CHECK-NEXT:       }
+// CHECK-NEXT:      },
+// CHECK-NEXT:      "type": {
+// CHECK-NEXT:       "qualType": "const int"
+// CHECK-NEXT:      },
+// CHECK-NEXT:      "valueCategory": "rvalue",
+// CHECK-NEXT:      "castKind": "FloatingToIntegral",
+// CHECK-NEXT:      "inner": [
+// CHECK-NEXT:       {
+// CHECK-NEXT:        "id": "0x{{.*}}",
+// CHECK-NEXT:        "kind": "FloatingLiteral",
+// CHECK-NEXT:        "range": {
+// CHECK-NEXT:         "begin": {
+// CHECK-NEXT:          "col": 18,
+// CHECK-NEXT:          "file": "{{.*}}",
+// CHECK-NEXT:          "line": 15
+// CHECK-NEXT:         },
+// CHECK-NEXT:         "end": {
+// CHECK-NEXT:          "col": 18,
+// CHECK-NEXT:          "file": "{{.*}}",
+// CHECK-NEXT:          "line": 15
+// CHECK-NEXT:         }
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "type": {
+// CHECK-NEXT:         "qualType": "double"
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "valueCategory": "rvalue",
+// CHECK-NEXT:        "value": 1
+// CHECK-NEXT:       }
+// CHECK-NEXT:      ]
+// CHECK-NEXT:     }
+// CHECK-NEXT:    ]
+// CHECK-NEXT:   }
+// CHECK-NEXT:  ]
+// CHECK-NEXT: }
+
+
+// CHECK:  "kind": "ExprWithCleanups",
+// CHECK-NEXT:  "range": {
+// CHECK-NEXT:   "begin": {
+// CHECK-NEXT:    "col": 3,
+// CHECK-NEXT:    "file": "{{.*}}",
+// CHECK-NEXT:    "line": 18
+// CHECK-NEXT:   },
+// CHECK-NEXT:   "end": {
+// CHECK-NEXT:    "col": 9,
+// CHECK-NEXT:    "file": "{{.*}}",
+// CHECK-NEXT:    "line": 18
+// CHECK-NEXT:   }
+// CHECK-NEXT:  },
+// CHECK-NEXT:  "type": {
+// CHECK-NEXT:   "qualType": "void"
+// CHECK-NEXT:  },
+// CHECK-NEXT:  "valueCategory": "rvalue",
+// CHECK-NEXT:  "inner": [
+// CHECK-NEXT:   {
+// CHECK-NEXT:    "id": "0x{{.*}}",
+// CHECK-NEXT:    "kind": "CallExpr",
+// CHECK-NEXT:    "range": {
+// CHECK-NEXT:     "begin": {
+// CHECK-NEXT:      "col": 3,
+// CHECK-NEXT:      "file": "{{.*}}",
+// CHECK-NEXT:      "line": 18
+// CHECK-NEXT:     },
+// CHECK-NEXT:     "end": {
+// CHECK-NEXT:      "col": 9,
+// CHECK-NEXT:      "file": "{{.*}}",
+// CHECK-NEXT:      "line": 18
+// CHECK-NEXT:     }
+// CHECK-NEXT:    },
+// CHECK-NEXT:    "type": {
+// CHECK-NEXT:     "qualType": "void"
+// CHECK-NEXT:    },
+// CHECK-NEXT:    "valueCategory": "rvalue",
+// CHECK-NEXT:    "inner": [
+// CHECK-NEXT:     {
+// CHECK-NEXT:      "id": "0x{{.*}}",
+// CHECK-NEXT:      "kind": "ImplicitCastExpr",
+// CHECK-NEXT:      "range": {
+// CHECK-NEXT:       "begin": {
+// CHECK-NEXT:        "col": 3,
+// CHECK-NEXT:        "file": "{{.*}}",
+// CHECK-NEXT:        "line": 18
+// CHECK-NEXT:       },
+// CHECK-NEXT:       "end": {
+// CHECK-NEXT:        "col": 3,
+// CHECK-NEXT:        "file": "{{.*}}",
+// CHECK-NEXT:        "line": 18
+// CHECK-NEXT:       }
+// CHECK-NEXT:      },
+// CHECK-NEXT:      "type": {
+// CHECK-NEXT:       "qualType": "void (*)(const int &)"
+// CHECK-NEXT:      },
+// CHECK-NEXT:      "valueCategory": "rvalue",
+// CHECK-NEXT:      "castKind": "FunctionToPointerDecay",
+// CHECK-NEXT:      "inner": [
+// CHECK-NEXT:       {
+// CHECK-NEXT:        "id": "0x{{.*}}",
+// CHECK-NEXT:        "kind": "DeclRefExpr",
+// CHECK-NEXT:        "range": {
+// CHECK-NEXT:         "begin": {
+// CHECK-NEXT:          "col": 3,
+// CHECK-NEXT:          "file": "{{.*}}",
+// CHECK-NEXT:          "line": 18
+// CHECK-NEXT:         },
+// CHECK-NEXT:         "end": {
+// CHECK-NEXT:          "col": 3,
+// CHECK-NEXT:          "file": "{{.*}}",
+// CHECK-NEXT:          "line": 18
+// CHECK-NEXT:         }
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "type": {
+// CHECK-NEXT:         "qualType": "void (const int &)"
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "valueCategory": "lvalue",
+// CHECK-NEXT:        "referencedDecl": {
+// CHECK-NEXT:         "id": "0x{{.*}}",
+// CHECK-NEXT:         "kind": "FunctionDecl",
+// CHECK-NEXT:         "name": "func",
+// CHECK-NEXT:         "type": {
+// CHECK-NEXT:          "qualType": "void (const int &)"
+// CHECK-NEXT:         }
+// CHECK-NEXT:        }
+// CHECK-NEXT:       }
+// CHECK-NEXT:      ]
+// CHECK-NEXT:     },
+// CHECK-NEXT:     {
+// CHECK-NEXT:      "id": "0x{{.*}}",
+// CHECK-NEXT:      "kind": "MaterializeTemporaryExpr",
+// CHECK-NEXT:      "range": {
+// CHECK-NEXT:       "begin": {
+// CHECK-NEXT:        "col": 8,
+// CHECK-NEXT:        "file": "{{.*}}",
+// CHECK-NEXT:        "line": 18
+// CHECK-NEXT:       },
+// CHECK-NEXT:       "end": {
+// CHECK-NEXT:        "col": 8,
+// CHECK-NEXT:        "file": "{{.*}}",
+// CHECK-NEXT:        "line": 18
+// CHECK-NEXT:       }
+// CHECK-NEXT:      },
+// CHECK-NEXT:      "type": {
+// CHECK-NEXT:       "qualType": "const int"
+// CHECK-NEXT:      },
+// CHECK-NEXT:      "valueCategory": "lvalue",
+// CHECK-NEXT:      "storageDuration": "full expression",
+// CHECK-NEXT:      "boundToLValueRef": true,
+// CHECK-NEXT:      "inner": [
+// CHECK-NEXT:       {
+// CHECK-NEXT:        "id": "0x{{.*}}",
+// CHECK-NEXT:        "kind": "ImplicitCastExpr",
+// CHECK-NEXT:        "range": {
+// CHECK-NEXT:         "begin": {
+// CHECK-NEXT:          "col": 8,
+// CHECK-NEXT:          "file": "{{.*}}",
+// CHECK-NEXT:          "line": 18
+// CHECK-NEXT:         },
+// CHECK-NEXT:         "end": {
+// CHECK-NEXT:          "col": 8,
+// CHECK-NEXT:          "file": "{{.*}}",
+// CHECK-NEXT:          "line": 18
+// CHECK-NEXT:         }
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "type": {
+// CHECK-NEXT:         "qualType": "const int"
+// CHECK-NEXT:        },
+// CHECK-NEXT:        "valueCategory": "rvalue",
+// CHECK-NEXT:        "castKind": "FloatingToIntegral",
+// CHECK-NEXT:        "inner": [
+// CHECK-NEXT:         {
+// CHECK-NEXT:          "id": "0x{{.*}}",
+// CHECK-NEXT:          "kind": "ImplicitCastExpr",
+// CHECK-NEXT:          "range": {
+// CHECK-NEXT:           "begin": {
+// CHECK-NEXT:            "col": 8,
+// CHECK-NEXT:            "file": "{{.*}}",
+// CHECK-NEXT:            "line": 18
+// CHECK-NEXT:           },
+// CHECK-NEXT:           "end": {
+// CHECK-NEXT:            "col": 8,
+// CHECK-NEXT:            "file": "{{.*}}",
+// CHECK-NEXT:            "line": 18
+// CHECK-NEXT:           }
+// CHECK-NEXT:          },
+// CHECK-NEXT:          "type": {
+// CHECK-NEXT:           "qualType": "float"
+// CHECK-NEXT:          },
+// CHECK-NEXT:          "valueCategory": "rvalue",
+// CHECK-NEXT:          "castKind": "LValueToRValue",
+// CHECK-NEXT:          "inner": [
+// CHECK-NEXT:           {
+// CHECK-NEXT:            "id": "0x{{.*}}",
+// CHECK-NEXT:            "kind": "DeclRefExpr",
+// CHECK-NEXT:            "range": {
+// CHECK-NEXT:             "begin": {
+// CHECK-NEXT:              "col": 8,
+// CHECK-NEXT:              "file": "{{.*}}",
+// CHECK-NEXT:              "line": 18
+// CHECK-NEXT:             },
+// CHECK-NEXT:             "end": {
+// CHECK-NEXT:              "col": 8,
+// CHECK-NEXT:              "file": "{{.*}}",
+// CHECK-NEXT:              "line": 18
+// CHECK-NEXT:             }
+// CHECK-NEXT:            },
+// CHECK-NEXT:            "type": {
+// CHECK-NEXT:             "qualType": "float"
+// CHECK-NEXT:            },
+// CHECK-NEXT:            "valueCategory": "lvalue",
+// CHECK-NEXT:            "referencedDecl": {
+// CHECK-NEXT:             "id": "0x{{.*}}",
+// CHECK-NEXT:             "kind": "VarDecl",
+// CHECK-NEXT:             "name": "f",
+// CHECK-NEXT:             "type": {
+// CHECK-NEXT:              "qualType": "float"
+// CHECK-NEXT:             }
+// CHECK-NEXT:            }
+// CHECK-NEXT:           }
+// CHECK-NEXT:          ]
+// CHECK-NEXT:         }
+// CHECK-NEXT:        ]
+// CHECK-NEXT:       }
+// CHECK-NEXT:      ]
+// CHECK-NEXT:     }
+// CHECK-NEXT:    ]
+// CHECK-NEXT:   }
+// CHECK-NEXT:  ]
+// CHECK-NEXT: }
+