136 lines
4.1 KiB
C++
136 lines
4.1 KiB
C++
//===--- CodeCompleteConsumer.cpp - Code Completion Interface ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the CodeCompleteConsumer class.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Sema/CodeCompleteConsumer.h"
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#include "clang/AST/DeclCXX.h"
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#include "clang/Parse/Scope.h"
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#include "clang/Lex/Preprocessor.h"
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#include "Sema.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/raw_ostream.h"
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#include <algorithm>
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#include <cstring>
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#include <functional>
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using namespace clang;
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//===----------------------------------------------------------------------===//
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// Code completion string implementation
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//===----------------------------------------------------------------------===//
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CodeCompletionString::Chunk::Chunk(ChunkKind Kind, const char *Text)
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: Kind(Kind), Text(0)
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{
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assert((Kind == CK_Text || Kind == CK_Placeholder || Kind == CK_Informative)
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&& "Invalid text chunk kind");
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char *New = new char [std::strlen(Text) + 1];
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std::strcpy(New, Text);
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this->Text = New;
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}
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CodeCompletionString::Chunk
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CodeCompletionString::Chunk::CreateText(const char *Text) {
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return Chunk(CK_Text, Text);
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}
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CodeCompletionString::Chunk
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CodeCompletionString::Chunk::CreateOptional(
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std::auto_ptr<CodeCompletionString> Optional) {
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Chunk Result;
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Result.Kind = CK_Optional;
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Result.Optional = Optional.release();
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return Result;
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}
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CodeCompletionString::Chunk
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CodeCompletionString::Chunk::CreatePlaceholder(const char *Placeholder) {
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return Chunk(CK_Placeholder, Placeholder);
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}
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CodeCompletionString::Chunk
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CodeCompletionString::Chunk::CreateInformative(const char *Informative) {
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return Chunk(CK_Informative, Informative);
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}
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void
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CodeCompletionString::Chunk::Destroy() {
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switch (Kind) {
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case CK_Optional:
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delete Optional;
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break;
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case CK_Text:
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case CK_Placeholder:
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case CK_Informative:
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delete [] Text;
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break;
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}
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}
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CodeCompletionString::~CodeCompletionString() {
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std::for_each(Chunks.begin(), Chunks.end(),
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std::mem_fun_ref(&Chunk::Destroy));
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}
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std::string CodeCompletionString::getAsString() const {
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std::string Result;
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llvm::raw_string_ostream OS(Result);
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for (iterator C = begin(), CEnd = end(); C != CEnd; ++C) {
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switch (C->Kind) {
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case CK_Text: OS << C->Text; break;
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case CK_Optional: OS << "{#" << C->Optional->getAsString() << "#}"; break;
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case CK_Placeholder: OS << "<#" << C->Text << "#>"; break;
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case CK_Informative: OS << "[#" << C->Text << "#]"; break;
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}
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}
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return Result;
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}
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//===----------------------------------------------------------------------===//
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// Code completion consumer implementation
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//===----------------------------------------------------------------------===//
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CodeCompleteConsumer::~CodeCompleteConsumer() { }
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void
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PrintingCodeCompleteConsumer::ProcessCodeCompleteResults(Result *Results,
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unsigned NumResults) {
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// Print the results.
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for (unsigned I = 0; I != NumResults; ++I) {
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switch (Results[I].Kind) {
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case Result::RK_Declaration:
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OS << Results[I].Declaration->getNameAsString() << " : "
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<< Results[I].Rank;
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if (Results[I].Hidden)
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OS << " (Hidden)";
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if (CodeCompletionString *CCS
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= Results[I].CreateCodeCompletionString(SemaRef)) {
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OS << " : " << CCS->getAsString();
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delete CCS;
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}
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OS << '\n';
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break;
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case Result::RK_Keyword:
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OS << Results[I].Keyword << " : " << Results[I].Rank << '\n';
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break;
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}
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}
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// Once we've printed the code-completion results, suppress remaining
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// diagnostics.
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// FIXME: Move this somewhere else!
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SemaRef.PP.getDiagnostics().setSuppressAllDiagnostics();
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}
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