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/**************************************************************************
*
* Copyright 2010 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
#ifndef _TRACE_PARSER_HPP_
#define _TRACE_PARSER_HPP_
#include <iostream>
#include <list>
#include "trace_file.hpp"
#include "trace_format.hpp"
#include "trace_model.hpp"
#include "trace_api.hpp"
namespace trace {
struct ParseBookmark
{
File::Offset offset;
unsigned next_call_no;
};
class Parser
{
protected:
File *file;
enum Mode {
FULL = 0,
SCAN,
SKIP
};
typedef std::list<Call *> CallList;
CallList calls;
struct FunctionSigFlags : public FunctionSig {
CallFlags flags;
};
// Helper template that extends a base signature structure, with additional
// parsing information.
template< class T >
struct SigState : public T {
// Offset in the file of where signature was defined. It is used when
// reparsing to determine whether the signature definition is to be
// expected next or not.
File::Offset offset;
};
typedef SigState<FunctionSigFlags> FunctionSigState;
typedef SigState<StructSig> StructSigState;
typedef SigState<EnumSig> EnumSigState;
typedef SigState<BitmaskSig> BitmaskSigState;
typedef std::vector<FunctionSigState *> FunctionMap;
typedef std::vector<StructSigState *> StructMap;
typedef std::vector<EnumSigState *> EnumMap;
typedef std::vector<BitmaskSigState *> BitmaskMap;
FunctionMap functions;
StructMap structs;
EnumMap enums;
BitmaskMap bitmasks;
FunctionSig *glGetErrorSig;
unsigned next_call_no;
public:
unsigned long long version;
API api;
Parser();
~Parser();
bool open(const char *filename);
void close(void);
Call *parse_call(void) {
return parse_call(FULL);
}
bool supportsOffsets() const
{
return file->supportsOffsets();
}
void getBookmark(ParseBookmark &bookmark);
void setBookmark(const ParseBookmark &bookmark);
int percentRead()
{
return file->percentRead();
}
Call *scan_call() {
return parse_call(SCAN);
}
protected:
Call *parse_call(Mode mode);
FunctionSigFlags *parse_function_sig(void);
StructSig *parse_struct_sig();
EnumSig *parse_old_enum_sig();
EnumSig *parse_enum_sig();
BitmaskSig *parse_bitmask_sig();
static CallFlags
lookupCallFlags(const char *name);
Call *parse_Call(Mode mode);
void parse_enter(Mode mode);
Call *parse_leave(Mode mode);
bool parse_call_details(Call *call, Mode mode);
void adjust_call_flags(Call *call);
void parse_arg(Call *call, Mode mode);
Value *parse_value(void);
void scan_value(void);
inline Value *parse_value(Mode mode) {
if (mode == FULL) {
return parse_value();
} else {
scan_value();
return NULL;
}
}
Value *parse_sint();
void scan_sint();
Value *parse_uint();
void scan_uint();
Value *parse_float();
void scan_float();
Value *parse_double();
void scan_double();
Value *parse_string();
void scan_string();
Value *parse_enum();
void scan_enum();
Value *parse_bitmask();
void scan_bitmask();
Value *parse_array(void);
void scan_array(void);
Value *parse_blob(void);
void scan_blob(void);
Value *parse_struct();
void scan_struct();
Value *parse_opaque();
void scan_opaque();
Value *parse_repr();
void scan_repr();
const char * read_string(void);
void skip_string(void);
signed long long read_sint(void);
void skip_sint(void);
unsigned long long read_uint(void);
void skip_uint(void);
inline int read_byte(void);
inline void skip_byte(void);
};
} /* namespace trace */
#endif /* _TRACE_PARSER_HPP_ */
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