Update CodeCompletion and SignatureHelp.

2024-10-27 13:55:30 +08:00
parent e1afd40663
commit 2890873428
5 changed files with 101 additions and 28 deletions
--- a/src/Feature/CodeCompletion.cpp
+++ b/src/Feature/CodeCompletion.cpp
@@ -0,0 +1,67 @@
+#include <Basic/SourceCode.h>
+#include <Compiler/Compiler.h>
+#include <Feature/CodeCompletion.h>
+
+namespace clice::feature {
+
+namespace {
+
+class CodeCompletionCollector final : public clang::CodeCompleteConsumer {
+public:
+    CodeCompletionCollector(clang::CodeCompleteOptions options) :
+        clang::CodeCompleteConsumer(options), allocator(new clang::GlobalCodeCompletionAllocator()),
+        info(allocator) {
+        // TODO:
+    }
+
+    void ProcessCodeCompleteResults(clang::Sema& sema,
+                                    clang::CodeCompletionContext context,
+                                    clang::CodeCompletionResult* results,
+                                    unsigned count) final {
+        sema.getPreprocessor().getCodeCompletionLoc();
+        for(auto& result: llvm::make_range(results, results + count)) {
+            llvm::outs() << "Kind: " << result.Kind << "         ";
+            switch(result.Kind) {
+                case clang::CodeCompletionResult::RK_Declaration: {
+                    result.getDeclaration()->dump();
+                    break;
+                }
+                case clang::CodeCompletionResult::RK_Keyword: {
+                    llvm::outs() << result.Keyword << "\n";
+                    break;
+                }
+                case clang::CodeCompletionResult::RK_Macro: {
+                    llvm::outs() << result.Macro << "\n";
+                    break;
+                }
+                case clang::CodeCompletionResult::RK_Pattern: {
+                    llvm::outs() << result.Pattern->getAsString() << "\n";
+                    break;
+                }
+            }
+        }
+    }
+
+    clang::CodeCompletionAllocator& getAllocator() final {
+        return *allocator;
+    }
+
+    clang::CodeCompletionTUInfo& getCodeCompletionTUInfo() final {
+        return info;
+    }
+
+private:
+    std::shared_ptr<clang::GlobalCodeCompletionAllocator> allocator;
+    clang::CodeCompletionTUInfo info;
+};
+
+}  // namespace
+
+std::vector<proto::CompletionItem> codeCompletion(Compiler& compiler,
+                                                  llvm::StringRef filepath,
+                                                  proto::Position position,
+                                                  const config::CodeCompletionOption& option) {
+    // TODO: decode here.
+}
+
+}  // namespace clice::feature