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scummvm/engines/parallaction/parser.h
Eugene Sandulenko b16c5439b0 PARALLACTION: Cleanup object initialization
2016-05-28 15:26:31 +02:00

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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef PARALLACTION_PARSER_H
#define PARALLACTION_PARSER_H
#include "common/stream.h"
#include "common/stack.h"
#include "parallaction/objects.h"
namespace Parallaction {
#define MAX_TOKEN_LEN 50
extern int _numTokens;
extern char _tokens[][MAX_TOKEN_LEN];
class Script {
Common::ReadStream *_input;
bool _disposeSource;
uint _line; // for debug messages
void clearTokens();
char *parseNextToken(char *s, char *tok, uint16 count, const char *brk);
char *readLineIntern(char *buf, size_t bufSize);
public:
Script(Common::ReadStream *, bool _disposeSource = false);
~Script();
char *readLine(char *buf, size_t bufSize);
uint16 readLineToken(bool errorOnEOF = false);
void skip(const char* endToken);
uint getLine() { return _line; }
};
typedef Common::Functor0<void> Opcode;
typedef Common::Array<const Opcode *> OpcodeSet;
class Parser {
public:
Parser() { reset(); }
~Parser() { reset(); }
uint _lookup;
Common::Stack<OpcodeSet *> _opcodes;
Common::Stack<Table *> _statements;
OpcodeSet *_currentOpcodes;
Table *_currentStatements;
void reset();
void pushTables(OpcodeSet *opcodes, Table* statements);
void popTables();
void parseStatement();
};
#define DECLARE_UNQUALIFIED_ZONE_PARSER(sig) void locZoneParse_##sig()
#define DECLARE_UNQUALIFIED_ANIM_PARSER(sig) void locAnimParse_##sig()
#define DECLARE_UNQUALIFIED_COMMAND_PARSER(sig) void cmdParse_##sig()
#define DECLARE_UNQUALIFIED_LOCATION_PARSER(sig) void locParse_##sig()
#define DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(sig) void instParse_##sig()
#define MAX_FORWARDS 50
class Parallaction_ns;
class Parallaction_br;
class LocationParser_ns {
protected:
Parallaction_ns* _vm;
Script *_script;
Parser *_parser;
Table *_zoneTypeNames;
Table *_zoneFlagNames;
uint _zoneProg;
// location parser
OpcodeSet _locationParsers;
OpcodeSet _locationZoneParsers;
OpcodeSet _locationAnimParsers;
OpcodeSet _commandParsers;
Table *_commandsNames;
Table *_locationStmt;
Table *_locationZoneStmt;
Table *_locationAnimStmt;
struct ParserContext {
bool end;
const char *filename;
ZonePtr z;
AnimationPtr a;
int nextToken;
CommandList *list;
bool endcommands;
CommandPtr cmd;
} ctxt;
void warning_unexpected();
DECLARE_UNQUALIFIED_LOCATION_PARSER(endlocation);
DECLARE_UNQUALIFIED_LOCATION_PARSER(location);
DECLARE_UNQUALIFIED_LOCATION_PARSER(disk);
DECLARE_UNQUALIFIED_LOCATION_PARSER(nodes);
DECLARE_UNQUALIFIED_LOCATION_PARSER(zone);
DECLARE_UNQUALIFIED_LOCATION_PARSER(animation);
DECLARE_UNQUALIFIED_LOCATION_PARSER(localflags);
DECLARE_UNQUALIFIED_LOCATION_PARSER(commands);
DECLARE_UNQUALIFIED_LOCATION_PARSER(acommands);
DECLARE_UNQUALIFIED_LOCATION_PARSER(flags);
DECLARE_UNQUALIFIED_LOCATION_PARSER(comment);
DECLARE_UNQUALIFIED_LOCATION_PARSER(endcomment);
DECLARE_UNQUALIFIED_LOCATION_PARSER(sound);
DECLARE_UNQUALIFIED_LOCATION_PARSER(music);
DECLARE_UNQUALIFIED_ZONE_PARSER(limits);
DECLARE_UNQUALIFIED_ZONE_PARSER(moveto);
DECLARE_UNQUALIFIED_ZONE_PARSER(type);
DECLARE_UNQUALIFIED_ZONE_PARSER(commands);
DECLARE_UNQUALIFIED_ZONE_PARSER(label);
DECLARE_UNQUALIFIED_ZONE_PARSER(flags);
DECLARE_UNQUALIFIED_ZONE_PARSER(endzone);
DECLARE_UNQUALIFIED_ZONE_PARSER(null);
DECLARE_UNQUALIFIED_ANIM_PARSER(script);
DECLARE_UNQUALIFIED_ANIM_PARSER(commands);
DECLARE_UNQUALIFIED_ANIM_PARSER(type);
DECLARE_UNQUALIFIED_ANIM_PARSER(label);
DECLARE_UNQUALIFIED_ANIM_PARSER(flags);
DECLARE_UNQUALIFIED_ANIM_PARSER(file);
DECLARE_UNQUALIFIED_ANIM_PARSER(position);
DECLARE_UNQUALIFIED_ANIM_PARSER(moveto);
DECLARE_UNQUALIFIED_ANIM_PARSER(endanimation);
DECLARE_UNQUALIFIED_COMMAND_PARSER(flags);
DECLARE_UNQUALIFIED_COMMAND_PARSER(animation);
DECLARE_UNQUALIFIED_COMMAND_PARSER(zone);
DECLARE_UNQUALIFIED_COMMAND_PARSER(location);
DECLARE_UNQUALIFIED_COMMAND_PARSER(invObject);
DECLARE_UNQUALIFIED_COMMAND_PARSER(call);
DECLARE_UNQUALIFIED_COMMAND_PARSER(simple);
DECLARE_UNQUALIFIED_COMMAND_PARSER(move);
DECLARE_UNQUALIFIED_COMMAND_PARSER(endcommands);
public:
virtual void parseGetData(ZonePtr z);
virtual void parseExamineData(ZonePtr z);
virtual void parseDoorData(ZonePtr z);
virtual void parseMergeData(ZonePtr z);
virtual void parseHearData(ZonePtr z);
virtual void parseSpeakData(ZonePtr z);
virtual void parseNoneData(ZonePtr z);
protected:
Common::String parseComment();
Common::String parseDialogueString();
Dialogue *parseDialogue();
virtual Answer *parseAnswer();
void parseAnswerFlags(Answer *answer);
void parseAnswerBody(Answer *answer);
void parseQuestion(Question *q);
uint32 buildZoneType(const char *t0, const char* t1);
void parseZone(ZoneList &list, char *name);
virtual void parseZoneTypeBlock(ZonePtr z);
void parsePointList(PointList &list);
void parseAnimation(AnimationList &list, char *name);
void parseCommands(CommandList&);
void parseCommandFlags();
void parseCommandFlag(CommandPtr cmd, const char *flag, Table *table);
void createCommand(uint id);
void addCommand();
void clearSet(OpcodeSet &opcodes) {
for (Common::Array<const Opcode *>::iterator i = opcodes.begin(); i != opcodes.end(); ++i)
delete *i;
opcodes.clear();
}
public:
LocationParser_ns(Parallaction_ns *vm) : _vm(vm), _commandsNames(0), _locationStmt(0),
_locationZoneStmt(0), _locationAnimStmt(0) {
_script = 0;
_parser = 0;
_zoneTypeNames = 0;
_zoneFlagNames = 0;
_zoneProg = 0;
}
virtual void init();
virtual ~LocationParser_ns() {
delete _parser;
delete _commandsNames;
delete _locationStmt;
delete _locationZoneStmt;
delete _locationAnimStmt;
delete _zoneTypeNames;
delete _zoneFlagNames;
clearSet(_commandParsers);
clearSet(_locationAnimParsers);
clearSet(_locationZoneParsers);
clearSet(_locationParsers);
}
void parse(Script *script);
};
struct LocationParserOutput_br {
BackgroundInfo *_info;
Common::String _characterName;
Common::String _backgroundName;
Common::String _maskName;
Common::String _pathName;
};
class LocationParser_br : public LocationParser_ns {
protected:
Parallaction_br* _vm;
Table *_audioCommandsNames;
LocationParserOutput_br *_out;
DECLARE_UNQUALIFIED_LOCATION_PARSER(location);
DECLARE_UNQUALIFIED_LOCATION_PARSER(zone);
DECLARE_UNQUALIFIED_LOCATION_PARSER(animation);
DECLARE_UNQUALIFIED_LOCATION_PARSER(localflags);
DECLARE_UNQUALIFIED_LOCATION_PARSER(flags);
DECLARE_UNQUALIFIED_LOCATION_PARSER(comment);
DECLARE_UNQUALIFIED_LOCATION_PARSER(endcomment);
DECLARE_UNQUALIFIED_LOCATION_PARSER(sound);
DECLARE_UNQUALIFIED_LOCATION_PARSER(music);
DECLARE_UNQUALIFIED_LOCATION_PARSER(redundant);
DECLARE_UNQUALIFIED_LOCATION_PARSER(ifchar);
DECLARE_UNQUALIFIED_LOCATION_PARSER(character);
DECLARE_UNQUALIFIED_LOCATION_PARSER(mask);
DECLARE_UNQUALIFIED_LOCATION_PARSER(path);
DECLARE_UNQUALIFIED_LOCATION_PARSER(escape);
DECLARE_UNQUALIFIED_LOCATION_PARSER(zeta);
DECLARE_UNQUALIFIED_LOCATION_PARSER(null);
DECLARE_UNQUALIFIED_COMMAND_PARSER(ifchar);
DECLARE_UNQUALIFIED_COMMAND_PARSER(endif);
DECLARE_UNQUALIFIED_COMMAND_PARSER(location);
DECLARE_UNQUALIFIED_COMMAND_PARSER(toggle);
DECLARE_UNQUALIFIED_COMMAND_PARSER(string);
DECLARE_UNQUALIFIED_COMMAND_PARSER(math);
DECLARE_UNQUALIFIED_COMMAND_PARSER(test);
DECLARE_UNQUALIFIED_COMMAND_PARSER(music);
DECLARE_UNQUALIFIED_COMMAND_PARSER(zeta);
DECLARE_UNQUALIFIED_COMMAND_PARSER(swap);
DECLARE_UNQUALIFIED_COMMAND_PARSER(give);
DECLARE_UNQUALIFIED_COMMAND_PARSER(text);
DECLARE_UNQUALIFIED_COMMAND_PARSER(unary);
DECLARE_UNQUALIFIED_ZONE_PARSER(limits);
DECLARE_UNQUALIFIED_ZONE_PARSER(moveto);
DECLARE_UNQUALIFIED_ZONE_PARSER(type);
DECLARE_UNQUALIFIED_ANIM_PARSER(file);
DECLARE_UNQUALIFIED_ANIM_PARSER(position);
DECLARE_UNQUALIFIED_ANIM_PARSER(moveto);
DECLARE_UNQUALIFIED_ANIM_PARSER(endanimation);
virtual void parseZoneTypeBlock(ZonePtr z);
public:
virtual void parsePathData(ZonePtr z);
virtual void parseGetData(ZonePtr z);
virtual void parseDoorData(ZonePtr z);
virtual void parseHearData(ZonePtr z);
virtual void parseNoneData(ZonePtr z);
protected:
void parseAnswerCounter(Answer *answer);
virtual Answer *parseAnswer();
public:
LocationParser_br(Parallaction_br *vm) : LocationParser_ns((Parallaction_ns*)vm), _vm(vm),
_audioCommandsNames(0), _out(0) {
}
virtual void init();
virtual ~LocationParser_br() {
delete _audioCommandsNames;
}
void parse(Script *script, LocationParserOutput_br *out);
};
class ProgramParser_ns {
protected:
Parallaction_ns *_vm;
Parser *_parser;
Script *_script;
ProgramPtr _program;
// program parser
OpcodeSet _instructionParsers;
Table *_instructionNames;
uint32 _currentInstruction; // index of the instruction being parsed
struct ParserContext {
bool end;
AnimationPtr a;
InstructionPtr inst;
LocalVariable *locals;
} ctxt;
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(defLocal);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(animation);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(loop);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(x);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(y);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(z);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(f);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(inc);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(set);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(move);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(put);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(call);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(sound);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(null);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(endscript);
void parseInstruction();
void parseLValue(ScriptVar &var, const char *str);
virtual void parseRValue(ScriptVar &var, const char *str);
void clearSet(OpcodeSet &opcodes) {
for (Common::Array<const Opcode *>::iterator i = opcodes.begin(); i != opcodes.end(); ++i)
delete *i;
opcodes.clear();
}
public:
ProgramParser_ns(Parallaction_ns *vm) : _vm(vm), _parser(0), _instructionNames(0), _script(0), _currentInstruction(0) {
}
virtual void init();
virtual ~ProgramParser_ns() {
delete _parser;
delete _instructionNames;
clearSet(_instructionParsers);
}
virtual void parse(Script *script, ProgramPtr program);
};
class ProgramParser_br : public ProgramParser_ns {
protected:
Parallaction_br *_vm;
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(zone);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(color);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(mask);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(print);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(text);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(if_op);
DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(endif);
int32 _openIfStatement;
void beginIfStatement();
void endIfStatement();
virtual void parseRValue(ScriptVar &var, const char *str);
public:
ProgramParser_br(Parallaction_br *vm) : ProgramParser_ns((Parallaction_ns*)vm), _vm(vm), _openIfStatement(0) {
}
virtual void init();
virtual void parse(Script *script, ProgramPtr program);
};
} // End of namespace Parallaction
#endif
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