mirror of
https://github.com/MaskRay/ccls.git
synced 2024-11-24 08:35:08 +00:00
98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
/* Copyright 2017-2018 ccls Authors
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
==============================================================================*/
|
|
|
|
#pragma once
|
|
|
|
#include "lsp.hh"
|
|
#include "utils.hh"
|
|
|
|
#include <mutex>
|
|
#include <optional>
|
|
#include <string>
|
|
#include <unordered_map>
|
|
|
|
namespace ccls {
|
|
struct WorkingFile {
|
|
int64_t timestamp = 0;
|
|
int version = 0;
|
|
std::string filename;
|
|
|
|
std::string buffer_content;
|
|
// Note: This assumes 0-based lines (1-based lines are normally assumed).
|
|
std::vector<std::string> index_lines;
|
|
// Note: This assumes 0-based lines (1-based lines are normally assumed).
|
|
std::vector<std::string> buffer_lines;
|
|
// Mappings between index line number and buffer line number.
|
|
// Empty indicates either buffer or index has been changed and re-computation
|
|
// is required.
|
|
// For index_to_buffer[i] == j, if j >= 0, we are confident that index line
|
|
// i maps to buffer line j; if j == -1, FindMatchingLine will use the nearest
|
|
// confident lines to resolve its line number.
|
|
std::vector<int> index_to_buffer;
|
|
std::vector<int> buffer_to_index;
|
|
// A set of diagnostics that have been reported for this file.
|
|
std::vector<Diagnostic> diagnostics;
|
|
|
|
WorkingFile(const std::string &filename, const std::string &buffer_content);
|
|
|
|
// This should be called when the indexed content has changed.
|
|
void SetIndexContent(const std::string &index_content);
|
|
// This should be called whenever |buffer_content| has changed.
|
|
void OnBufferContentUpdated();
|
|
|
|
// Finds the buffer line number which maps to index line number |line|.
|
|
// Also resolves |column| if not NULL.
|
|
// When resolving a range, use is_end = false for begin() and is_end =
|
|
// true for end() to get a better alignment of |column|.
|
|
std::optional<int> GetBufferPosFromIndexPos(int line, int *column,
|
|
bool is_end);
|
|
// Finds the index line number which maps to buffer line number |line|.
|
|
// Also resolves |column| if not NULL.
|
|
std::optional<int> GetIndexPosFromBufferPos(int line, int *column,
|
|
bool is_end);
|
|
// Returns the stable completion position (it jumps back until there is a
|
|
// non-alphanumeric character).
|
|
Position GetCompletionPosition(Position pos, std::string *filter,
|
|
Position *replace_end_pos) const;
|
|
|
|
private:
|
|
// Compute index_to_buffer and buffer_to_index.
|
|
void ComputeLineMapping();
|
|
};
|
|
|
|
struct WorkingFiles {
|
|
WorkingFile *GetFile(const std::string &path);
|
|
WorkingFile *GetFileUnlocked(const std::string &path);
|
|
std::string GetContent(const std::string &path);
|
|
|
|
template <typename Fn> void WithLock(Fn &&fn) {
|
|
std::lock_guard lock(mutex);
|
|
fn();
|
|
}
|
|
|
|
WorkingFile *OnOpen(const TextDocumentItem &open);
|
|
void OnChange(const TextDocumentDidChangeParam &change);
|
|
void OnClose(const std::string &close);
|
|
|
|
std::mutex mutex;
|
|
std::unordered_map<std::string, std::unique_ptr<WorkingFile>> files;
|
|
};
|
|
|
|
int GetOffsetForPosition(Position pos, std::string_view content);
|
|
|
|
std::string_view LexIdentifierAroundPos(Position position,
|
|
std::string_view content);
|
|
} // namespace ccls
|