[PATCH] D49634: [libclang 7/8] Add support for getting property setter and getter names

[Michael Wu via Phabricator via cfe-commits]

michaelwu updated this revision to Diff 156691.
michaelwu added a comment.

Fix test


https://reviews.llvm.org/D49634

Files:
  include/clang-c/Index.h
  test/Index/property-getter-setter.m
  tools/c-index-test/c-index-test.c
  tools/libclang/CIndex.cpp
  tools/libclang/libclang.exports


Index: tools/libclang/libclang.exports
===================================================================
--- tools/libclang/libclang.exports
+++ tools/libclang/libclang.exports
@@ -31,6 +31,8 @@
 clang_Cursor_getNumArguments
 clang_Cursor_getObjCDeclQualifiers
 clang_Cursor_getObjCPropertyAttributes
+clang_Cursor_getObjCPropertyGetterName
+clang_Cursor_getObjCPropertySetterName
 clang_Cursor_getObjCSelectorIndex
 clang_Cursor_getOffsetOfField
 clang_Cursor_getSpellingNameRange
Index: tools/libclang/CIndex.cpp
===================================================================
--- tools/libclang/CIndex.cpp
+++ tools/libclang/CIndex.cpp
@@ -7913,6 +7913,30 @@
   return Result;
 }
 
+CXString clang_Cursor_getObjCPropertyGetterName(CXCursor C) {
+  if (C.kind != CXCursor_ObjCPropertyDecl)
+    return cxstring::createNull();
+
+  const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
+  Selector sel = PD->getGetterName();
+  if (sel.isNull())
+    return cxstring::createNull();
+
+  return cxstring::createDup(sel.getAsString());
+}
+
+CXString clang_Cursor_getObjCPropertySetterName(CXCursor C) {
+  if (C.kind != CXCursor_ObjCPropertyDecl)
+    return cxstring::createNull();
+
+  const ObjCPropertyDecl *PD = dyn_cast<ObjCPropertyDecl>(getCursorDecl(C));
+  Selector sel = PD->getSetterName();
+  if (sel.isNull())
+    return cxstring::createNull();
+
+  return cxstring::createDup(sel.getAsString());
+}
+
 unsigned clang_Cursor_getObjCDeclQualifiers(CXCursor C) {
   if (!clang_isDeclaration(C.kind))
     return CXObjCDeclQualifier_None;
Index: tools/c-index-test/c-index-test.c
===================================================================
--- tools/c-index-test/c-index-test.c
+++ tools/c-index-test/c-index-test.c
@@ -1103,6 +1103,34 @@
       }
     }
 
+    if (Cursor.kind == CXCursor_ObjCPropertyDecl) {
+      CXString Name = clang_Cursor_getObjCPropertyGetterName(Cursor);
+      CXString Spelling = clang_getCursorSpelling(Cursor);
+      const char *CName = clang_getCString(Name);
+      const char *CSpelling = clang_getCString(Spelling);
+      if (CName && strcmp(CName, CSpelling)) {
+        printf(" (getter=%s)", CName);
+      }
+      clang_disposeString(Spelling);
+      clang_disposeString(Name);
+    }
+
+    if (Cursor.kind == CXCursor_ObjCPropertyDecl) {
+      CXString Name = clang_Cursor_getObjCPropertySetterName(Cursor);
+      CXString Spelling = clang_getCursorSpelling(Cursor);
+      const char *CName = clang_getCString(Name);
+      const char *CSpelling = clang_getCString(Spelling);
+      char *DefaultSetter = malloc(strlen(CSpelling) + 5);
+      sprintf(DefaultSetter, "set%s:", CSpelling);
+      DefaultSetter[3] &= ~(1 << 5); // Make uppercase
+      if (CName && strcmp(CName, DefaultSetter)) {
+        printf(" (setter=%s)", CName);
+      }
+      free(DefaultSetter);
+      clang_disposeString(Spelling);
+      clang_disposeString(Name);
+    }
+
     {
       unsigned QT = clang_Cursor_getObjCDeclQualifiers(Cursor);
       if (QT != CXObjCDeclQualifier_None) {
Index: test/Index/property-getter-setter.m
===================================================================
--- /dev/null
+++ test/Index/property-getter-setter.m
@@ -0,0 +1,10 @@
+@interface Foo
+@property (assign,readwrite,getter=b,setter=c:) id a;
+@property (assign,readonly,getter=e) id d;
+@property (assign,readwrite) id f;
+@end
+
+// RUN: c-index-test -test-print-type-declaration %s | FileCheck %s
+// CHECK: ObjCPropertyDecl=a:2:52 [getter,assign,readwrite,setter,] (getter=b) (setter=c:) [typedeclaration=id] [typekind=ObjCId]
+// CHECK: ObjCPropertyDecl=d:3:41 [readonly,getter,assign,] (getter=e) [typedeclaration=id] [typekind=ObjCId]
+// CHECK: ObjCPropertyDecl=f:4:33 [assign,readwrite,] [typedeclaration=id] [typekind=ObjCId]
Index: include/clang-c/Index.h
===================================================================
--- include/clang-c/Index.h
+++ include/clang-c/Index.h
@@ -4449,6 +4449,18 @@
 CINDEX_LINKAGE unsigned clang_Cursor_getObjCPropertyAttributes(CXCursor C,
                                                              unsigned reserved);
 
+/**
+ * Given a cursor that represents a property declaration, return the
+ * name of the method that implements the getter.
+ */
+CINDEX_LINKAGE CXString clang_Cursor_getObjCPropertyGetterName(CXCursor C);
+
+/**
+ * Given a cursor that represents a property declaration, return the
+ * name of the method that implements the setter, if any.
+ */
+CINDEX_LINKAGE CXString clang_Cursor_getObjCPropertySetterName(CXCursor C);
+
 /**
  * 'Qualifiers' written next to the return and parameter types in
  * Objective-C method declarations.

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