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111 lines
4.0 KiB
C++
111 lines
4.0 KiB
C++
#pragma once
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#include "language_server_api.h"
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#include "utils.h"
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#include <clang-c/Index.h>
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#include <optional.h>
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#include <mutex>
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#include <string>
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struct WorkingFile {
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int version = 0;
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std::string filename;
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std::string buffer_content;
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// Note: This assumes 0-based lines (1-based lines are normally assumed).
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std::vector<std::string> index_lines;
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// Note: This assumes 0-based lines (1-based lines are normally assumed).
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std::vector<std::string> all_buffer_lines;
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// This map goes from disk-line -> indicies+1 in index_lines.
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// Note: The items in the value entry are 1-based lines.
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std::unordered_map<std::string, std::vector<int>> index_lines_lookup;
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// This map goes from buffer-line -> indices+1 in all_buffer_lines.
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// Note: The items in the value entry are 1-based liness.
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std::unordered_map<std::string, std::vector<int>> all_buffer_lines_lookup;
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// A set of diagnostics that have been reported for this file.
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// NOTE: _ is appended because it must be accessed under the WorkingFiles
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// lock!
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std::vector<lsDiagnostic> diagnostics_;
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WorkingFile(const std::string& filename, const std::string& buffer_content);
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// This should be called when the indexed content has changed.
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void SetIndexContent(const std::string& index_content);
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// This should be called whenever |buffer_content| has changed.
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void OnBufferContentUpdated();
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// Find the buffer-line which should be shown for |indexed_line|. This
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// accepts and returns 1-based lines.
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optional<int> GetBufferLineFromIndexLine(int indexed_line) const;
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// Find the indexed-line which should be shown for |buffer_line|. This
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// accepts and returns 1-based lines.
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optional<int> GetIndexLineFromBufferLine(int buffer_line) const;
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optional<std::string> GetBufferLineContentFromIndexLine(
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int indexed_line,
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optional<int>* out_buffer_line) const;
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// TODO: Move FindClosestCallNameInBuffer and FindStableCompletionSource into
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// lex_utils.h/cc
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// Finds the closest 'callable' name prior to position. This is used for
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// signature help to filter code completion results.
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//
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// |completion_position| will be point to a good code completion location to
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// for fetching signatures.
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std::string FindClosestCallNameInBuffer(
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lsPosition position,
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int* active_parameter,
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lsPosition* completion_position = nullptr) const;
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// Returns a relatively stable completion position (it jumps back until there
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// is a non-alphanumeric character).
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//
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// The out param |is_global_completion| is set to true if this looks like a
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// global completion.
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// The out param |existing_completion| is set to any existing completion
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// content the user has entered.
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lsPosition FindStableCompletionSource(lsPosition position,
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bool* is_global_completion,
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std::string* existing_completion) const;
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};
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struct WorkingFilesSnapshot {
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std::vector<CXUnsavedFile> AsUnsavedFiles() const;
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struct File {
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std::string filename;
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std::string content;
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};
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std::vector<File> files;
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};
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struct WorkingFiles {
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//
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// :: IMPORTANT :: All methods in this class are guarded by a single lock.
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//
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// Find the file with the given filename.
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WorkingFile* GetFileByFilename(const std::string& filename);
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WorkingFile* GetFileByFilenameNoLock(const std::string& filename);
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// Run |action| under the lock.
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void DoAction(const std::function<void()>& action);
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// Run |action| on the file identified by |filename|. This executes under the
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// lock.
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void DoActionOnFile(const std::string& filename,
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const std::function<void(WorkingFile* file)>& action);
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WorkingFile* OnOpen(const lsTextDocumentItem& open);
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void OnChange(const lsTextDocumentDidChangeParams& change);
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void OnClose(const lsTextDocumentItem& close);
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WorkingFilesSnapshot AsSnapshot();
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// Use unique_ptrs so we can handout WorkingFile ptrs and not have them
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// invalidated if we resize files.
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std::vector<std::unique_ptr<WorkingFile>> files;
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std::mutex files_mutex; // Protects |files|.
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};
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