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416
engines/parallaction/parser.h
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416
engines/parallaction/parser.h
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef PARALLACTION_PARSER_H
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#define PARALLACTION_PARSER_H
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#include "common/stream.h"
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#include "common/stack.h"
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#include "parallaction/objects.h"
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namespace Parallaction {
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#define MAX_TOKEN_LEN 50
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extern int _numTokens;
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extern char _tokens[][MAX_TOKEN_LEN];
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class Script {
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Common::ReadStream *_input;
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bool _disposeSource;
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uint _line; // for debug messages
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void clearTokens();
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char *parseNextToken(char *s, char *tok, uint16 count, const char *brk);
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char *readLineIntern(char *buf, size_t bufSize);
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public:
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Script(Common::ReadStream *, bool _disposeSource = false);
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~Script();
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char *readLine(char *buf, size_t bufSize);
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uint16 readLineToken(bool errorOnEOF = false);
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void skip(const char* endToken);
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uint getLine() { return _line; }
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};
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typedef Common::Functor0<void> Opcode;
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typedef Common::Array<const Opcode *> OpcodeSet;
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class Parser {
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public:
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Parser() { reset(); }
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~Parser() { reset(); }
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uint _lookup;
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Common::Stack<OpcodeSet *> _opcodes;
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Common::Stack<Table *> _statements;
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OpcodeSet *_currentOpcodes;
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Table *_currentStatements;
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void reset();
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void pushTables(OpcodeSet *opcodes, Table* statements);
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void popTables();
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void parseStatement();
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};
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#define DECLARE_UNQUALIFIED_ZONE_PARSER(sig) void locZoneParse_##sig()
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#define DECLARE_UNQUALIFIED_ANIM_PARSER(sig) void locAnimParse_##sig()
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#define DECLARE_UNQUALIFIED_COMMAND_PARSER(sig) void cmdParse_##sig()
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#define DECLARE_UNQUALIFIED_LOCATION_PARSER(sig) void locParse_##sig()
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#define DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(sig) void instParse_##sig()
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#define MAX_FORWARDS 50
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class Parallaction_ns;
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class Parallaction_br;
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class LocationParser_ns {
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protected:
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Parallaction_ns* _vm;
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Script *_script;
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Parser *_parser;
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Table *_zoneTypeNames;
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Table *_zoneFlagNames;
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uint _zoneProg;
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// location parser
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OpcodeSet _locationParsers;
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OpcodeSet _locationZoneParsers;
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OpcodeSet _locationAnimParsers;
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OpcodeSet _commandParsers;
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Table *_commandsNames;
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Table *_locationStmt;
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Table *_locationZoneStmt;
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Table *_locationAnimStmt;
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struct ParserContext {
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bool end;
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const char *filename;
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ZonePtr z;
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AnimationPtr a;
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int nextToken;
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CommandList *list;
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bool endcommands;
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CommandPtr cmd;
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} ctxt;
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void warning_unexpected();
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DECLARE_UNQUALIFIED_LOCATION_PARSER(endlocation);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(location);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(disk);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(nodes);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(zone);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(animation);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(localflags);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(commands);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(acommands);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(flags);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(comment);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(endcomment);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(sound);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(music);
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DECLARE_UNQUALIFIED_ZONE_PARSER(limits);
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DECLARE_UNQUALIFIED_ZONE_PARSER(moveto);
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DECLARE_UNQUALIFIED_ZONE_PARSER(type);
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DECLARE_UNQUALIFIED_ZONE_PARSER(commands);
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DECLARE_UNQUALIFIED_ZONE_PARSER(label);
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DECLARE_UNQUALIFIED_ZONE_PARSER(flags);
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DECLARE_UNQUALIFIED_ZONE_PARSER(endzone);
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DECLARE_UNQUALIFIED_ZONE_PARSER(null);
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DECLARE_UNQUALIFIED_ANIM_PARSER(script);
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DECLARE_UNQUALIFIED_ANIM_PARSER(commands);
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DECLARE_UNQUALIFIED_ANIM_PARSER(type);
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DECLARE_UNQUALIFIED_ANIM_PARSER(label);
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DECLARE_UNQUALIFIED_ANIM_PARSER(flags);
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DECLARE_UNQUALIFIED_ANIM_PARSER(file);
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DECLARE_UNQUALIFIED_ANIM_PARSER(position);
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DECLARE_UNQUALIFIED_ANIM_PARSER(moveto);
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DECLARE_UNQUALIFIED_ANIM_PARSER(endanimation);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(flags);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(animation);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(zone);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(location);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(invObject);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(call);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(simple);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(move);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(endcommands);
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public:
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virtual void parseGetData(ZonePtr z);
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virtual void parseExamineData(ZonePtr z);
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virtual void parseDoorData(ZonePtr z);
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virtual void parseMergeData(ZonePtr z);
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virtual void parseHearData(ZonePtr z);
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virtual void parseSpeakData(ZonePtr z);
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virtual void parseNoneData(ZonePtr z);
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protected:
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Common::String parseComment();
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Common::String parseDialogueString();
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Dialogue *parseDialogue();
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virtual Answer *parseAnswer();
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void parseAnswerFlags(Answer *answer);
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void parseAnswerBody(Answer *answer);
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void parseQuestion(Question *q);
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uint32 buildZoneType(const char *t0, const char* t1);
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void parseZone(ZoneList &list, char *name);
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virtual void parseZoneTypeBlock(ZonePtr z);
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void parsePointList(PointList &list);
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void parseAnimation(AnimationList &list, char *name);
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void parseCommands(CommandList&);
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void parseCommandFlags();
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void parseCommandFlag(CommandPtr cmd, const char *flag, Table *table);
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void createCommand(uint id);
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void addCommand();
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void clearSet(OpcodeSet &opcodes) {
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for (Common::Array<const Opcode *>::iterator i = opcodes.begin(); i != opcodes.end(); ++i)
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delete *i;
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opcodes.clear();
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}
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public:
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LocationParser_ns(Parallaction_ns *vm) : _vm(vm), _commandsNames(0), _locationStmt(0),
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_locationZoneStmt(0), _locationAnimStmt(0) {
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_script = 0;
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_parser = 0;
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_zoneTypeNames = 0;
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_zoneFlagNames = 0;
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_zoneProg = 0;
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}
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virtual void init();
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virtual ~LocationParser_ns() {
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delete _parser;
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delete _commandsNames;
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delete _locationStmt;
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delete _locationZoneStmt;
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delete _locationAnimStmt;
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delete _zoneTypeNames;
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delete _zoneFlagNames;
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clearSet(_commandParsers);
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clearSet(_locationAnimParsers);
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clearSet(_locationZoneParsers);
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clearSet(_locationParsers);
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}
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void parse(Script *script);
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};
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struct LocationParserOutput_br {
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BackgroundInfo *_info;
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Common::String _characterName;
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Common::String _backgroundName;
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Common::String _maskName;
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Common::String _pathName;
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};
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class LocationParser_br : public LocationParser_ns {
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protected:
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Parallaction_br* _vm;
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Table *_audioCommandsNames;
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LocationParserOutput_br *_out;
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DECLARE_UNQUALIFIED_LOCATION_PARSER(location);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(zone);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(animation);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(localflags);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(flags);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(comment);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(endcomment);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(sound);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(music);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(redundant);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(ifchar);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(character);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(mask);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(path);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(escape);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(zeta);
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DECLARE_UNQUALIFIED_LOCATION_PARSER(null);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(ifchar);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(endif);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(location);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(toggle);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(string);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(math);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(test);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(music);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(zeta);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(swap);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(give);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(text);
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DECLARE_UNQUALIFIED_COMMAND_PARSER(unary);
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DECLARE_UNQUALIFIED_ZONE_PARSER(limits);
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DECLARE_UNQUALIFIED_ZONE_PARSER(moveto);
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DECLARE_UNQUALIFIED_ZONE_PARSER(type);
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DECLARE_UNQUALIFIED_ANIM_PARSER(file);
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DECLARE_UNQUALIFIED_ANIM_PARSER(position);
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DECLARE_UNQUALIFIED_ANIM_PARSER(moveto);
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DECLARE_UNQUALIFIED_ANIM_PARSER(endanimation);
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void parseZoneTypeBlock(ZonePtr z) override;
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public:
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virtual void parsePathData(ZonePtr z);
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void parseGetData(ZonePtr z) override;
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void parseDoorData(ZonePtr z) override;
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void parseHearData(ZonePtr z) override;
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void parseNoneData(ZonePtr z) override;
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protected:
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void parseAnswerCounter(Answer *answer);
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Answer *parseAnswer() override;
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public:
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LocationParser_br(Parallaction_br *vm) : LocationParser_ns((Parallaction_ns*)vm), _vm(vm),
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_audioCommandsNames(0), _out(0) {
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}
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void init() override;
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~LocationParser_br() override {
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delete _audioCommandsNames;
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}
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void parse(Script *script, LocationParserOutput_br *out);
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};
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class ProgramParser_ns {
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protected:
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Parallaction_ns *_vm;
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Parser *_parser;
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Script *_script;
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ProgramPtr _program;
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// program parser
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OpcodeSet _instructionParsers;
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Table *_instructionNames;
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uint32 _currentInstruction; // index of the instruction being parsed
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struct ParserContext {
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bool end;
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AnimationPtr a;
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InstructionPtr inst;
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LocalVariable *locals;
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} ctxt;
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(defLocal);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(animation);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(loop);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(x);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(y);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(z);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(f);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(inc);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(set);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(move);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(put);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(call);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(sound);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(null);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(endscript);
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void parseInstruction();
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void parseLValue(ScriptVar &var, const char *str);
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virtual void parseRValue(ScriptVar &var, const char *str);
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void clearSet(OpcodeSet &opcodes) {
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for (Common::Array<const Opcode *>::iterator i = opcodes.begin(); i != opcodes.end(); ++i)
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delete *i;
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opcodes.clear();
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}
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public:
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ProgramParser_ns(Parallaction_ns *vm) : _vm(vm), _parser(0), _instructionNames(0), _script(0), _currentInstruction(0) {
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}
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virtual void init();
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virtual ~ProgramParser_ns() {
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delete _parser;
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delete _instructionNames;
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clearSet(_instructionParsers);
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}
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virtual void parse(Script *script, ProgramPtr program);
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};
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class ProgramParser_br : public ProgramParser_ns {
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protected:
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Parallaction_br *_vm;
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(zone);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(color);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(mask);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(print);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(text);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(if_op);
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DECLARE_UNQUALIFIED_INSTRUCTION_PARSER(endif);
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int32 _openIfStatement;
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void beginIfStatement();
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void endIfStatement();
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void parseRValue(ScriptVar &var, const char *str) override;
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public:
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ProgramParser_br(Parallaction_br *vm) : ProgramParser_ns((Parallaction_ns*)vm), _vm(vm), _openIfStatement(0) {
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}
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void init() override;
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void parse(Script *script, ProgramPtr program) override;
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};
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} // End of namespace Parallaction
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#endif
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