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//===-- FormatEntity.h ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_FormatEntity_h_
#define liblldb_FormatEntity_h_
#if defined(__cplusplus)
#include <string>
#include <vector>
#include "lldb/lldb-private.h"
#include "lldb/Core/Error.h"
namespace llvm
{
class StringRef;
}
namespace lldb_private
{
class FormatEntity
{
public:
struct Entry
{
enum class Type {
Invalid,
ParentNumber,
ParentString,
InsertString,
Root,
String,
Scope,
Variable,
VariableSynthetic,
ScriptVariable,
ScriptVariableSynthetic,
AddressLoad,
AddressFile,
AddressLoadOrFile,
ProcessID,
ProcessFile,
ScriptProcess,
ThreadID,
ThreadProtocolID,
ThreadIndexID,
ThreadName,
ThreadQueue,
ThreadStopReason,
ThreadReturnValue,
ThreadCompletedExpression,
ScriptThread,
ThreadInfo,
TargetArch,
ScriptTarget,
ModuleFile,
File,
Lang,
FrameIndex,
FrameRegisterPC,
FrameRegisterSP,
FrameRegisterFP,
FrameRegisterFlags,
FrameRegisterByName,
ScriptFrame,
FunctionID,
FunctionDidChange,
FunctionInitialFunction,
FunctionName,
FunctionNameWithArgs,
FunctionNameNoArgs,
FunctionAddrOffset,
FunctionAddrOffsetConcrete,
FunctionLineOffset,
FunctionPCOffset,
FunctionInitial,
FunctionChanged,
LineEntryFile,
LineEntryLineNumber,
LineEntryStartAddress,
LineEntryEndAddress,
CurrentPCArrow
};
enum FormatType
{
None,
UInt32,
UInt64,
CString
};
struct Definition
{
const char *name;
const char *string; // Insert this exact string into the output
Entry::Type type;
FormatType format_type; // uint32_t, uint64_t, cstr, or anything that can be formatted by printf or lldb::Format
uint64_t data;
uint32_t num_children;
Definition *children; // An array of "num_children" Definition entries,
bool keep_separator;
};
Entry (Type t = Type::Invalid,
const char *s = NULL,
const char *f = NULL) :
string (s ? s : ""),
printf_format (f ? f : ""),
children (),
definition (NULL),
type (t),
fmt (lldb::eFormatDefault),
number (0),
deref (false)
{
}
Entry (llvm::StringRef s);
Entry (char ch);
void
AppendChar (char ch);
void
AppendText (const llvm::StringRef &s);
void
AppendText (const char *cstr);
void
AppendEntry (const Entry &&entry)
{
children.push_back(entry);
}
void
Clear ()
{
string.clear();
printf_format.clear();
children.clear();
definition = NULL;
type = Type::Invalid;
fmt = lldb::eFormatDefault;
number = 0;
deref = false;
}
static const char *
TypeToCString (Type t);
void
Dump (Stream &s, int depth = 0) const;
bool
operator == (const Entry &rhs) const
{
if (string != rhs.string)
return false;
if (printf_format != rhs.printf_format)
return false;
const size_t n = children.size();
const size_t m = rhs.children.size();
for (size_t i=0; i < std::min<size_t>(n, m); ++i)
{
if (!(children[i] == rhs.children[i]))
return false;
}
if (children != rhs.children)
return false;
if (definition != rhs.definition)
return false;
if (type != rhs.type)
return false;
if (fmt != rhs.fmt)
return false;
if (deref != rhs.deref)
return false;
return true;
}
std::string string;
std::string printf_format;
std::vector<Entry> children;
Definition *definition;
Type type;
lldb::Format fmt;
lldb::addr_t number;
bool deref;
};
static bool
Format (const Entry &entry,
Stream &s,
const SymbolContext *sc,
const ExecutionContext *exe_ctx,
const Address *addr,
ValueObject* valobj,
bool function_changed,
bool initial_function);
static bool
FormatStringRef (const llvm::StringRef &format,
Stream &s,
const SymbolContext *sc,
const ExecutionContext *exe_ctx,
const Address *addr,
ValueObject* valobj,
bool function_changed,
bool initial_function);
static bool
FormatCString (const char *format,
Stream &s,
const SymbolContext *sc,
const ExecutionContext *exe_ctx,
const Address *addr,
ValueObject* valobj,
bool function_changed,
bool initial_function);
static Error
Parse (const llvm::StringRef &format, Entry &entry);
static Error
ExtractVariableInfo (llvm::StringRef &format_str,
llvm::StringRef &variable_name,
llvm::StringRef &variable_format);
static size_t
AutoComplete (const char *s,
int match_start_point,
int max_return_elements,
bool &word_complete,
StringList &matches);
//----------------------------------------------------------------------
// Format the current elements into the stream \a s.
//
// The root element will be stripped off and the format str passed in
// will be either an empty string (print a description of this object),
// or contain a . separated series like a domain name that identifies
// further sub elements to display.
//----------------------------------------------------------------------
static bool
FormatFileSpec (const FileSpec &file, Stream &s, llvm::StringRef elements, llvm::StringRef element_format);
protected:
static Error
ParseInternal (llvm::StringRef &format, Entry &parent_entry, uint32_t depth);
};
}
#endif // #if defined(__cplusplus)
#endif // liblldb_FormatEntity_h_
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