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llvm5-0009-libclang-Visit-attributes-for-function-and-class-tem.patch 4.05 KiB
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From 2d3c0e5f3e3e6da701f3a5010a9700253deec16d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johann=20Kl=C3=A4hn?= <dev@jklaehn.de>
Date: Fri, 21 Jul 2017 10:16:45 +0200
Subject: [PATCH 09/12] [libclang] Visit attributes for function and class
 templates

---
 bindings/python/tests/cindex/test_cursor.py | 20 ++++++++++++++++++++
 test/Index/annotate-attribute.cpp           | 12 ++++++++++++
 tools/libclang/CIndex.cpp                   |  6 ++++--
 3 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/tools/clang/bindings/python/tests/cindex/test_cursor.py b/tools/clang/bindings/python/tests/cindex/test_cursor.py
index 2d50ec5901..863919e4c5 100644
--- a/tools/clang/bindings/python/tests/cindex/test_cursor.py
+++ b/tools/clang/bindings/python/tests/cindex/test_cursor.py
@@ -397,6 +397,26 @@ def test_annotation_attribute():
     else:
         assert False, "Couldn't find annotation"
 
+def test_annotation_template():
+    annotation = '__attribute__ ((annotate("annotation")))'
+    for source, kind in [
+            ('int foo (T value) %s;', CursorKind.FUNCTION_TEMPLATE),
+            ('class %s foo {};', CursorKind.CLASS_TEMPLATE),
+    ]:
+        source = 'template<typename T> ' + (source % annotation)
+        tu = get_tu(source, lang="cpp")
+
+        foo = get_cursor(tu, 'foo')
+        assert foo is not None
+        assert foo.kind == kind
+
+        for c in foo.get_children():
+            if c.kind == CursorKind.ANNOTATE_ATTR:
+                assert c.displayname == "annotation"
+                break
+        else:
+            assert False, "Couldn't find annotation for {}".format(kind)
+
 def test_result_type():
     tu = get_tu('int foo();')
     foo = get_cursor(tu, 'foo')
diff --git a/tools/clang/test/Index/annotate-attribute.cpp b/tools/clang/test/Index/annotate-attribute.cpp
index d822210e49..bf415fc8fe 100644
--- a/tools/clang/test/Index/annotate-attribute.cpp
+++ b/tools/clang/test/Index/annotate-attribute.cpp
@@ -16,6 +16,12 @@ protected:
   void methodWithoutAttribute();
 };
 
+template <typename T>
+class __attribute__((annotate("works"))) TemplateTest {};
+
+template <typename T>
+int templateFunction(T value) __attribute__((annotate("works")));
+
 // CHECK: ClassDecl=Test:3:7 (Definition) Extent=[3:1 - 17:2]
 // CHECK-NEXT: CXXAccessSpecifier=:4:1 (Definition) Extent=[4:1 - 4:8]
 // CHECK-NEXT: CXXMethod=aMethod:5:51 Extent=[5:3 - 5:60]
@@ -31,3 +37,9 @@ protected:
 // CHECK-NEXT: CompoundStmt= Extent=[12:23 - 12:25]
 // CHECK-NEXT: CXXAccessSpecifier=:14:1 (Definition) Extent=[14:1 - 14:11]
 // CHECK-NEXT: CXXMethod=methodWithoutAttribute:16:8 Extent=[16:3 - 16:32]
+// CHECK: ClassTemplate=TemplateTest:20:42 (Definition) Extent=[19:1 - 20:57]
+// CHECK-NEXT: TemplateTypeParameter=T:19:20 (Definition) Extent=[19:11 - 19:21] [access=public]
+// CHECK-NEXT: attribute(annotate)=works Extent=[20:22 - 20:39]
+// CHECK: FunctionTemplate=templateFunction:23:5 Extent=[22:1 - 23:65]
+// CHECK-NEXT: TemplateTypeParameter=T:22:20 (Definition) Extent=[22:11 - 22:21] [access=public]
+// CHECK-NEXT: attribute(annotate)=works Extent=[23:46 - 23:63]
diff --git a/tools/clang/tools/libclang/CIndex.cpp b/tools/clang/tools/libclang/CIndex.cpp
index 04fd775fb0..27f74b2aa2 100644
--- a/tools/clang/tools/libclang/CIndex.cpp
+++ b/tools/clang/tools/libclang/CIndex.cpp
@@ -907,7 +907,8 @@ bool CursorVisitor::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
   if (VisitTemplateParameters(D->getTemplateParameters()))
     return true;
   
-  return VisitFunctionDecl(D->getTemplatedDecl());
+  auto* FD = D->getTemplatedDecl();
+  return VisitAttributes(FD) || VisitFunctionDecl(FD);
 }
 
 bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
@@ -916,7 +917,8 @@ bool CursorVisitor::VisitClassTemplateDecl(ClassTemplateDecl *D) {
   if (VisitTemplateParameters(D->getTemplateParameters()))
     return true;
   
-  return VisitCXXRecordDecl(D->getTemplatedDecl());
+  auto* CD = D->getTemplatedDecl();
+  return VisitAttributes(CD) || VisitCXXRecordDecl(CD);
 }
 
 bool CursorVisitor::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
-- 
2.13.0