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//===-- CommandCompletions.h ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef lldb_CommandCompletions_h_
#define lldb_CommandCompletions_h_
#include <set>
#include "lldb/Core/FileSpecList.h"
#include "lldb/Core/SearchFilter.h"
#include "lldb/Utility/CompletionRequest.h"
#include "lldb/Utility/RegularExpression.h"
#include "lldb/lldb-private.h"
#include "llvm/ADT/Twine.h"
namespace lldb_private {
class TildeExpressionResolver;
class CommandCompletions {
public:
//----------------------------------------------------------------------
// This is the command completion callback that is used to complete the
// argument of the option it is bound to (in the OptionDefinition table
// below). Return the total number of matches.
//----------------------------------------------------------------------
typedef int (*CompletionCallback)(CommandInterpreter &interpreter,
CompletionRequest &request,
// A search filter to limit the search...
lldb_private::SearchFilter *searcher);
typedef enum {
eNoCompletion = 0u,
eSourceFileCompletion = (1u << 0),
eDiskFileCompletion = (1u << 1),
eDiskDirectoryCompletion = (1u << 2),
eSymbolCompletion = (1u << 3),
eModuleCompletion = (1u << 4),
eSettingsNameCompletion = (1u << 5),
ePlatformPluginCompletion = (1u << 6),
eArchitectureCompletion = (1u << 7),
eVariablePathCompletion = (1u << 8),
// This item serves two purposes. It is the last element in the enum, so
// you can add custom enums starting from here in your Option class. Also
// if you & in this bit the base code will not process the option.
eCustomCompletion = (1u << 9)
} CommonCompletionTypes;
struct CommonCompletionElement {
uint32_t type;
CompletionCallback callback;
};
static bool InvokeCommonCompletionCallbacks(
CommandInterpreter &interpreter, uint32_t completion_mask,
lldb_private::CompletionRequest &request, SearchFilter *searcher);
//----------------------------------------------------------------------
// These are the generic completer functions:
//----------------------------------------------------------------------
static int DiskFiles(CommandInterpreter &interpreter,
CompletionRequest &request, SearchFilter *searcher);
static int DiskFiles(const llvm::Twine &partial_file_name,
StringList &matches, TildeExpressionResolver &Resolver);
static int DiskDirectories(CommandInterpreter &interpreter,
CompletionRequest &request,
SearchFilter *searcher);
static int DiskDirectories(const llvm::Twine &partial_file_name,
StringList &matches,
TildeExpressionResolver &Resolver);
static int SourceFiles(CommandInterpreter &interpreter,
CompletionRequest &request, SearchFilter *searcher);
static int Modules(CommandInterpreter &interpreter,
CompletionRequest &request, SearchFilter *searcher);
static int Symbols(CommandInterpreter &interpreter,
CompletionRequest &request, SearchFilter *searcher);
static int SettingsNames(CommandInterpreter &interpreter,
CompletionRequest &request, SearchFilter *searcher);
static int PlatformPluginNames(CommandInterpreter &interpreter,
CompletionRequest &request,
SearchFilter *searcher);
static int ArchitectureNames(CommandInterpreter &interpreter,
CompletionRequest &request,
SearchFilter *searcher);
static int VariablePath(CommandInterpreter &interpreter,
CompletionRequest &request, SearchFilter *searcher);
//----------------------------------------------------------------------
// The Completer class is a convenient base class for building searchers that
// go along with the SearchFilter passed to the standard Completer functions.
//----------------------------------------------------------------------
class Completer : public Searcher {
public:
Completer(CommandInterpreter &interpreter, CompletionRequest &request);
~Completer() override;
CallbackReturn SearchCallback(SearchFilter &filter, SymbolContext &context,
Address *addr, bool complete) override = 0;
lldb::SearchDepth GetDepth() override = 0;
virtual size_t DoCompletion(SearchFilter *filter) = 0;
protected:
CommandInterpreter &m_interpreter;
CompletionRequest &m_request;
private:
DISALLOW_COPY_AND_ASSIGN(Completer);
};
//----------------------------------------------------------------------
// SourceFileCompleter implements the source file completer
//----------------------------------------------------------------------
class SourceFileCompleter : public Completer {
public:
SourceFileCompleter(CommandInterpreter &interpreter,
bool include_support_files, CompletionRequest &request);
lldb::SearchDepth GetDepth() override;
Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
SymbolContext &context,
Address *addr,
bool complete) override;
size_t DoCompletion(SearchFilter *filter) override;
private:
bool m_include_support_files;
FileSpecList m_matching_files;
const char *m_file_name;
const char *m_dir_name;
DISALLOW_COPY_AND_ASSIGN(SourceFileCompleter);
};
//----------------------------------------------------------------------
// ModuleCompleter implements the module completer
//----------------------------------------------------------------------
class ModuleCompleter : public Completer {
public:
ModuleCompleter(CommandInterpreter &interpreter,
CompletionRequest &request);
lldb::SearchDepth GetDepth() override;
Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
SymbolContext &context,
Address *addr,
bool complete) override;
size_t DoCompletion(SearchFilter *filter) override;
private:
const char *m_file_name;
const char *m_dir_name;
DISALLOW_COPY_AND_ASSIGN(ModuleCompleter);
};
//----------------------------------------------------------------------
// SymbolCompleter implements the symbol completer
//----------------------------------------------------------------------
class SymbolCompleter : public Completer {
public:
SymbolCompleter(CommandInterpreter &interpreter,
CompletionRequest &request);
lldb::SearchDepth GetDepth() override;
Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
SymbolContext &context,
Address *addr,
bool complete) override;
size_t DoCompletion(SearchFilter *filter) override;
private:
// struct NameCmp {
// bool operator() (const ConstString& lhs, const ConstString&
// rhs) const
// {
// return lhs < rhs;
// }
// };
RegularExpression m_regex;
typedef std::set<ConstString> collection;
collection m_match_set;
DISALLOW_COPY_AND_ASSIGN(SymbolCompleter);
};
private:
static CommonCompletionElement g_common_completions[];
};
} // namespace lldb_private
#endif // lldb_CommandCompletions_h_
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