Add a new libclang API to return a CXCompletionString for an arbitrary
cursor, from Connor Wakamo! Addresses <rdar://problem/9087798>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136911 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index b737a38..0fec798 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -1333,7 +1333,13 @@
clang_getLocation(TU, file, Locations[Loc].line,
Locations[Loc].column));
if (I + 1 == Repeats) {
+ CXCompletionString completionString = clang_getCursorCompletionString(
+ Cursor);
PrintCursor(TU, Cursor);
+ if (completionString != NULL) {
+ printf("\nCompletion string: ");
+ print_completion_string(completionString, stdout);
+ }
printf("\n");
free(Locations[Loc].filename);
}
diff --git a/tools/libclang/CXCursor.cpp b/tools/libclang/CXCursor.cpp
index b3c57dc..bbc9343 100644
--- a/tools/libclang/CXCursor.cpp
+++ b/tools/libclang/CXCursor.cpp
@@ -577,4 +577,40 @@
entry = 1;
return flag;
}
+
+CXCompletionString clang_getCursorCompletionString(CXCursor cursor) {
+ enum CXCursorKind kind = clang_getCursorKind(cursor);
+ if (clang_isDeclaration(kind)) {
+ Decl *decl = getCursorDecl(cursor);
+ if (isa<NamedDecl>(decl)) {
+ NamedDecl *namedDecl = (NamedDecl *)decl;
+ ASTUnit *unit = getCursorASTUnit(cursor);
+ if (unit->hasSema()) {
+ Sema &S = unit->getSema();
+ CodeCompletionAllocator *Allocator
+ = unit->getCursorCompletionAllocator().getPtr();
+ CodeCompletionResult Result(namedDecl);
+ CodeCompletionString *String
+ = Result.CreateCodeCompletionString(S, *Allocator);
+ return String;
+ }
+ }
+ }
+ else if (kind == CXCursor_MacroDefinition) {
+ MacroDefinition *definition = getCursorMacroDefinition(cursor);
+ const IdentifierInfo *MacroInfo = definition->getName();
+ ASTUnit *unit = getCursorASTUnit(cursor);
+ if (unit->hasSema()) {
+ Sema &S = unit->getSema();
+ CodeCompletionAllocator *Allocator
+ = unit->getCursorCompletionAllocator().getPtr();
+ CodeCompletionResult Result((IdentifierInfo *)MacroInfo);
+ CodeCompletionString *String
+ = Result.CreateCodeCompletionString(S, *Allocator);
+ return String;
+ }
+ }
+ return NULL;
+}
+
} // end: extern "C"
diff --git a/tools/libclang/libclang.darwin.exports b/tools/libclang/libclang.darwin.exports
index 5990536..a858f62 100644
--- a/tools/libclang/libclang.darwin.exports
+++ b/tools/libclang/libclang.darwin.exports
@@ -55,6 +55,7 @@
_clang_getCompletionPriority
_clang_getCursor
_clang_getCursorAvailability
+_clang_getCursorCompletionString
_clang_getCursorDefinition
_clang_getCursorDisplayName
_clang_getCursorExtent
diff --git a/tools/libclang/libclang.exports b/tools/libclang/libclang.exports
index ab9face..85e9f02 100644
--- a/tools/libclang/libclang.exports
+++ b/tools/libclang/libclang.exports
@@ -55,6 +55,7 @@
clang_getCompletionPriority
clang_getCursor
clang_getCursorAvailability
+clang_getCursorCompletionString
clang_getCursorDefinition
clang_getCursorDisplayName
clang_getCursorExtent