Implement filtering for code completion of identifiers.

Patch by Cristina Cristescu and Axel Naumann!

Agreed on post commit review (D17820).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@276878 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 0 deletions

diff --git a/include/clang/Lex/Preprocessor.h b/include/clang/Lex/Preprocessor.h
index 30cc37f6f8..c9b712504e 100644
--- a/include/clang/Lex/Preprocessor.h
+++ b/include/clang/Lex/Preprocessor.h
@@ -265,6 +265,10 @@ class Preprocessor : public RefCountedBase<Preprocessor> {
   /// \brief True if we hit the code-completion point.
   bool CodeCompletionReached;
 
+  /// \brief The code completion token containing the information
+  /// on the stem that is to be code completed.
+  IdentifierInfo *CodeCompletionII;
+
   /// \brief The directory that the main file should be considered to occupy,
   /// if it does not correspond to a real file (as happens when building a
   /// module).
@@ -984,6 +988,18 @@ public:
   /// completion point.
   void CodeCompleteNaturalLanguage();
 
+  /// \brief Set the code completion token for filtering purposes.
+  void setCodeCompletionIdentifierInfo(IdentifierInfo *Filter) {
+    CodeCompletionII = Filter;
+  }
+
+  /// \brief Get the code completion token for filtering purposes.
+  StringRef getCodeCompletionFilter() {
+    if (CodeCompletionII)
+      return CodeCompletionII->getName();
+    return {};
+  }
+
   /// \brief Retrieve the preprocessing record, or NULL if there is no
   /// preprocessing record.
   PreprocessingRecord *getPreprocessingRecord() const { return Record; }