/* 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.
 *
 * $URL$
 * $Id$
 *
 */


#include "parallaction/parallaction.h"
#include "parallaction/sound.h"

namespace Parallaction {

#define CMD_SET			1
#define CMD_CLEAR		2
#define CMD_START		3
#define CMD_SPEAK		4
#define CMD_GET			5
#define CMD_LOCATION	6
#define CMD_OPEN		7
#define CMD_CLOSE		8
#define CMD_ON			9
#define CMD_OFF			10
#define CMD_CALL		11
#define CMD_TOGGLE		12
#define CMD_DROP		13
#define CMD_QUIT		14
#define CMD_MOVE		15
#define CMD_STOP		16
#define CMD_CHARACTER	17
#define CMD_FOLLOWME	18
#define CMD_ONMOUSE		19
#define CMD_OFFMOUSE	20
#define CMD_ADD			21
#define CMD_LEAVE		22
#define CMD_INC			23
#define CMD_DEC			24
#define CMD_TEST		25
#define CMD_TEST_GT		26
#define CMD_TEST_LT		27
#define CMD_LET			28
#define CMD_MUSIC		29
#define CMD_FIX			30
#define CMD_UNFIX		31
#define CMD_ZETA		32
#define CMD_SCROLL		33
#define CMD_SWAP		34
#define CMD_GIVE		35
#define CMD_TEXT		36
#define CMD_PART		37
#define CMD_TEST_SFX	38
#define CMD_RETURN		39
#define CMD_ONSAVE		40
#define CMD_OFFSAVE		41


#define INST_ON			1
#define INST_OFF		2
#define INST_X			3
#define INST_Y			4
#define INST_Z			5
#define INST_F			6
#define INST_LOOP		7
#define INST_ENDLOOP	8
#define INST_SHOW		9
#define INST_INC		10
#define INST_DEC		11
#define INST_SET		12
#define INST_PUT		13
#define INST_CALL		14
#define INST_WAIT		15
#define INST_START		16
#define INST_PROCESS	17
#define INST_MOVE		18
#define INST_COLOR		19
#define INST_SOUND		20
#define INST_MASK		21
#define INST_PRINT		22
#define INST_TEXT		23
#define INST_MUL		24
#define INST_DIV		25
#define INST_IF			26
#define INST_IFEQ		27
#define INST_IFLT		28
#define INST_IFGT		29
#define INST_ENDIF		30
#define INST_STOP		31

const char *_zoneTypeNamesRes_br[] = {
	"examine",
	"door",
	"get",
	"merge",
	"taste",
	"hear",
	"feel",
	"speak",
	"none",
	"trap",
	"you",
	"command",
	"path",
	"box"
};

const char *_zoneFlagNamesRes_br[] = {
	"closed",
	"active",
	"remove",
	"acting",
	"locked",
	"fixed",
	"noname",
	"nomasked",
	"looping",
	"added",
	"character",
	"nowalk",
	"yourself",
	"scaled",
	"selfuse"
};

const char *_commandsNamesRes_br[] = {
	"set",
	"clear",
	"start",
	"speak",
	"get",
	"location",
	"open",
	"close",
	"on",
	"off",
	"call",
	"toggle",
	"drop",
	"quit",
	"move",
	"stop",
	"character",
	"followme",
	"onmouse",
	"offmouse",
	"add",
	"leave",
	"inc",
	"dec",
	"test",
	"dummy",
	"dummy",
	"let",
	"music",
	"fix",
	"unfix",
	"zeta",
	"scroll",
	"swap",
	"give",
	"text",
	"part",
	"dummy",
	"return",
	"onsave",
	"offsave",
	"endcommands",
	"ifchar",
	"endif"
};


const char *_audioCommandsNamesRes_br[] = {
	"play",
	"stop",
	"pause",
	"channel_level",
	"fadein",
	"fadeout",
	"volume",
	" ",
	"faderate",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	" ",
	"loop"
};

const char *_locationStmtRes_br[] = {
	"character",
	"endlocation",
	"ifchar",
	"endif",
	"location",
	"mask",
	"path",
	"disk",
	"localflags",
	"commands",
	"escape",
	"acommands",
	"flags",
	"comment",
	"endcomment",
	"zone",
	"animation",
	"zeta",
	"music",
	"sound"
};

const char *_locationZoneStmtRes_br[] = {
	"endzone",
	"limits",
	"moveto",
	"type",
	"commands",
	"label",
	"flags"
};

const char *_locationAnimStmtRes_br[] = {
	"endanimation",
	"endzone",
	"script",
	"commands",
	"type",
	"label",
	"flags",
	"file",
	"position",
	"moveto"
};

const char *_instructionNamesRes_br[] = {
	"on",
	"off",
	"x",
	"y",
	"z",
	"f",
	"loop",
	"endloop",
	"show",
	"inc",
	"dec",
	"set",
	"put",
	"call",
	"wait",
	"start",
	"process",
	"move",
	"color",
	"sound",
	"mask",
	"print",
	"text",
	"mul",
	"div",
	"if",
	"dummy",
	"dummy",
	"endif",
	"stop",
	"endscript"
};


#define SetOpcodeTable(x) table = &x;

typedef Common::Functor0Mem<void, ProgramParser_br> OpcodeV1;
#define INSTRUCTION_PARSER(sig) table->push_back(new OpcodeV1(this, &ProgramParser_br::instParse_##sig))

typedef Common::Functor0Mem<void, LocationParser_br> OpcodeV2;
#define ZONE_PARSER(sig)		table->push_back(new OpcodeV2(this, &LocationParser_br::locZoneParse_##sig))
#define ANIM_PARSER(sig)		table->push_back(new OpcodeV2(this, &LocationParser_br::locAnimParse_##sig))
#define LOCATION_PARSER(sig)	table->push_back(new OpcodeV2(this, &LocationParser_br::locParse_##sig))
#define COMMAND_PARSER(sig)		table->push_back(new OpcodeV2(this, &LocationParser_br::cmdParse_##sig))

#define WARNING_PARSER(sig)		table->push_back(new OpcodeV2(this, &LocationParser_br::warning_##sig))


#define DECLARE_ZONE_PARSER(sig) void LocationParser_br::locZoneParse_##sig()
#define DECLARE_ANIM_PARSER(sig) void LocationParser_br::locAnimParse_##sig()
#define DECLARE_COMMAND_PARSER(sig) void LocationParser_br::cmdParse_##sig()
#define DECLARE_LOCATION_PARSER(sig) void LocationParser_br::locParse_##sig()

#define DECLARE_INSTRUCTION_PARSER(sig) void ProgramParser_br::instParse_##sig()


DECLARE_LOCATION_PARSER(location)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(location) ");

	strcpy(_vm->_location._name, _tokens[1]);
	ctxt.bgName = strdup(_tokens[1]);

	bool flip = false;
	int nextToken;

	if (!scumm_stricmp("flip", _tokens[2])) {
		flip = true;
		nextToken = 3;
	} else {
		nextToken = 2;
	}

	// TODO: handle background horizontal flip (via a context parameter)

	if (_tokens[nextToken][0] != '\0') {
		_vm->_char._ani->_left = atoi(_tokens[nextToken]);
		nextToken++;
		_vm->_char._ani->_top = atoi(_tokens[nextToken]);
		nextToken++;
	}

	if (_tokens[nextToken][0] != '\0') {
		_vm->_char._ani->_frame = atoi(_tokens[nextToken]);
	}
}



DECLARE_LOCATION_PARSER(zone)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(zone) ");

	parseZone(_vm->_location._zones, _tokens[1]);

	ctxt.z->_index = ctxt.numZones++;

	if (_vm->getLocationFlags() & kFlagsVisited) {
		ctxt.z->_flags = _vm->_zoneFlags[_vm->_currentLocationIndex][ctxt.z->_index];
	} else {
		_vm->_zoneFlags[_vm->_currentLocationIndex][ctxt.z->_index] = ctxt.z->_flags;
	}

}


DECLARE_LOCATION_PARSER(animation)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(animation) ");

	parseAnimation(_vm->_location._animations, _tokens[1]);

	ctxt.a->_index = ctxt.numZones++;

	if (_vm->getLocationFlags() & kFlagsVisited) {
		ctxt.a->_flags = _vm->_zoneFlags[_vm->_currentLocationIndex][ctxt.a->_index];
	} else {
		_vm->_zoneFlags[_vm->_currentLocationIndex][ctxt.a->_index] = ctxt.a->_flags;
	}

}


DECLARE_LOCATION_PARSER(localflags)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(localflags) ");

	int _si = 1;
	while (_tokens[_si][0] != '\0') {
		_vm->_localFlagNames->addData(_tokens[_si]);
		_si++;
	}
}


DECLARE_LOCATION_PARSER(flags)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(flags) ");

	if ((_vm->getLocationFlags() & kFlagsVisited) == 0) {
		// only for 1st visit
		_vm->clearLocationFlags(kFlagsAll);
		int _si = 1;

		do {
			byte _al = _vm->_localFlagNames->lookup(_tokens[_si]);
			_vm->setLocationFlags(1 << (_al - 1));

			_si++;
			if (scumm_stricmp(_tokens[_si], "|")) break;
			_si++;
		} while (true);
	}
}


DECLARE_LOCATION_PARSER(comment)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(comment) ");

	_vm->_location._comment = parseComment();
}


DECLARE_LOCATION_PARSER(endcomment)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(endcomment) ");

	_vm->_location._endComment = parseComment();
}


DECLARE_LOCATION_PARSER(sound)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(sound) ");

//	_soundMan->loadSound(_tokens[1]);
}


DECLARE_LOCATION_PARSER(music)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(music) ");

//	_soundMan->loadMusic(_tokens[1]);
}

DECLARE_LOCATION_PARSER(redundant)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(redundant) ");

	warning("redundant '%s' line found in script '%s'", _tokens[0], ctxt.filename);
}


DECLARE_LOCATION_PARSER(character)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(character) ");

	ctxt.characterName = strdup(_tokens[0]);
}


DECLARE_LOCATION_PARSER(ifchar)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(ifchar) ");

	_script->skip("ENDIF");
}


DECLARE_LOCATION_PARSER(null)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(null) ");


}


DECLARE_LOCATION_PARSER(mask)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(mask) ");

	ctxt.maskName = strdup(_tokens[1]);
	_vm->_gfx->_backgroundInfo.layers[0] = atoi(_tokens[2]);
	_vm->_gfx->_backgroundInfo.layers[1] = atoi(_tokens[3]);
	_vm->_gfx->_backgroundInfo.layers[2] = atoi(_tokens[4]);
}


DECLARE_LOCATION_PARSER(path)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(path) ");

	ctxt.pathName = strdup(_tokens[1]);
}


DECLARE_LOCATION_PARSER(escape)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(escape) ");

	parseCommands(_vm->_location._escapeCommands);
}


DECLARE_LOCATION_PARSER(zeta)  {
	debugC(7, kDebugParser, "LOCATION_PARSER(zeta) ");

	_vm->_location._zeta0 = atoi(_tokens[1]);
	_vm->_location._zeta1 = atoi(_tokens[2]);

	if (_tokens[3][0] != '\0') {
		_vm->_location._zeta2 = atoi(_tokens[1]);
	} else {
		_vm->_location._zeta2 = 50;
	}
}

DECLARE_COMMAND_PARSER(ifchar)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(ifchar) ");

	if (!scumm_stricmp(_vm->_char.getName(), _tokens[1]))
		_script->skip("endif");
}


DECLARE_COMMAND_PARSER(endif)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(endif) ");


}


DECLARE_COMMAND_PARSER(location)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(location) ");

	createCommand(_parser->_lookup);

	ctxt.cmd->u._string = strdup(_tokens[1]);
	ctxt.nextToken++;

	if (_tokens[ctxt.nextToken][0] != '\0') {
		if (isdigit(_tokens[ctxt.nextToken][0]) || _tokens[ctxt.nextToken][0] == '-') {
			ctxt.cmd->u._startPos.x = atoi(_tokens[ctxt.nextToken]);
			ctxt.nextToken++;
			ctxt.cmd->u._startPos.y = atoi(_tokens[ctxt.nextToken]);
			ctxt.nextToken++;
		}

		if (isdigit(_tokens[ctxt.nextToken][0]) || _tokens[ctxt.nextToken][0] == '-') {
			ctxt.cmd->u._startPos2.x = atoi(_tokens[ctxt.nextToken]);
			ctxt.nextToken++;
			ctxt.cmd->u._startPos2.y = atoi(_tokens[ctxt.nextToken]);
			ctxt.nextToken++;
		}
	}

	parseCommandFlags();
	addCommand();
}


DECLARE_COMMAND_PARSER(string)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(string) ");

	createCommand(_parser->_lookup);

	ctxt.cmd->u._string = strdup(_tokens[1]);
	ctxt.nextToken++;

	parseCommandFlags();
	addCommand();
}

DECLARE_COMMAND_PARSER(math)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(math) ");

	createCommand(_parser->_lookup);

	ctxt.cmd->u._lvalue = _vm->_countersNames->lookup(_tokens[1]);
	ctxt.nextToken++;
	ctxt.cmd->u._rvalue = atoi(_tokens[2]);
	ctxt.nextToken++;

	parseCommandFlags();
	addCommand();
}


DECLARE_COMMAND_PARSER(test)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(test) ");

	createCommand(_parser->_lookup);

	uint counter = _vm->_countersNames->lookup(_tokens[1]);
	ctxt.nextToken++;

	if (counter == Table::notFound) {
		if (!scumm_stricmp("SFX", _tokens[1])) {
			ctxt.cmd->_id = CMD_TEST_SFX;
		} else {
			error("unknown counter '%s' in test opcode", _tokens[1]);
		}
	} else {
		ctxt.cmd->u._lvalue = counter;
		ctxt.cmd->u._rvalue = atoi(_tokens[3]);
		ctxt.nextToken++;

		if (_tokens[2][0] == '>') {
			ctxt.cmd->_id = CMD_TEST_GT;
		} else
		if (_tokens[2][0] == '<') {
			ctxt.cmd->_id = CMD_TEST_LT;
		}
		ctxt.nextToken++;
	}

	parseCommandFlags();
	addCommand();
}


DECLARE_COMMAND_PARSER(music)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(music) ");

	createCommand(_parser->_lookup);

	ctxt.cmd->u._musicCommand = _audioCommandsNames->lookup(_tokens[1]);
	ctxt.nextToken++;

	if (_tokens[2][0] != '\0' && scumm_stricmp("flags", _tokens[2]) && scumm_stricmp("gflags", _tokens[2])) {
		ctxt.cmd->u._musicParm = atoi(_tokens[2]);
		ctxt.nextToken++;
	}

	parseCommandFlags();
	addCommand();
}


DECLARE_COMMAND_PARSER(zeta)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(zeta) ");

	createCommand(_parser->_lookup);

	ctxt.cmd->u._zeta0 = atoi(_tokens[1]);
	ctxt.nextToken++;
	ctxt.cmd->u._zeta1 = atoi(_tokens[2]);
	ctxt.nextToken++;

	if (_tokens[3][0] != '\0') {
		ctxt.cmd->u._zeta2 = atoi(_tokens[3]);
		ctxt.nextToken++;
	} else {
		ctxt.cmd->u._zeta2 = 50;
	}

	parseCommandFlags();
	addCommand();
}


DECLARE_COMMAND_PARSER(give)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(give) ");

	createCommand(_parser->_lookup);

	ctxt.cmd->u._object = 4 + atoi(_tokens[1]);
	ctxt.nextToken++;

	if (!scumm_stricmp("dino", _tokens[2])) {
		ctxt.cmd->u._characterId = 1;
	} else
	if (!scumm_stricmp("doug", _tokens[2])) {
		ctxt.cmd->u._characterId = 2;
	} else
	if (!scumm_stricmp("donna", _tokens[2])) {
		ctxt.cmd->u._characterId = 3;
	} else
		error("unknown recipient '%s' in give command", _tokens[2]);

	ctxt.nextToken++;

	parseCommandFlags();
	addCommand();
}


DECLARE_COMMAND_PARSER(text)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(text) ");

	createCommand(_parser->_lookup);

	if (isdigit(_tokens[1][1])) {
		ctxt.cmd->u._zeta0 = atoi(_tokens[1]);
		ctxt.nextToken++;
	} else {
		ctxt.cmd->u._zeta0 = -1;
	}

	ctxt.cmd->u._string = strdup(_tokens[ctxt.nextToken]);
	ctxt.nextToken++;

	if (_tokens[ctxt.nextToken][0] != '\0' && scumm_stricmp("flags", _tokens[ctxt.nextToken])) {
		ctxt.cmd->u._string2 = strdup(_tokens[ctxt.nextToken]);
		ctxt.nextToken++;
	}


	parseCommandFlags();
	addCommand();
}


DECLARE_COMMAND_PARSER(unary)  {
	debugC(7, kDebugParser, "COMMAND_PARSER(unary) ");

	createCommand(_parser->_lookup);

	ctxt.cmd->u._rvalue = atoi(_tokens[1]);
	ctxt.nextToken++;

	parseCommandFlags();
	addCommand();
}


DECLARE_ZONE_PARSER(limits)  {
	debugC(7, kDebugParser, "ZONE_PARSER(limits) ");

	if (isalpha(_tokens[1][1])) {
		ctxt.z->_flags |= kFlagsAnimLinked;
		ctxt.z->_linkedAnim = _vm->findAnimation(_tokens[1]);
		ctxt.z->_linkedName = strdup(_tokens[1]);
	} else {
		ctxt.z->_left = atoi(_tokens[1]);
		ctxt.z->_top = atoi(_tokens[2]);
		ctxt.z->_right = atoi(_tokens[3]);
		ctxt.z->_bottom = atoi(_tokens[4]);
	}
}


DECLARE_ZONE_PARSER(moveto)  {
	debugC(7, kDebugParser, "ZONE_PARSER(moveto) ");

	ctxt.z->_moveTo.x = atoi(_tokens[1]);
	ctxt.z->_moveTo.y = atoi(_tokens[2]);
//	ctxt.z->_moveTo.z = atoi(_tokens[3]);
}


DECLARE_ZONE_PARSER(type)  {
	debugC(7, kDebugParser, "ZONE_PARSER(type) ");

	if (_tokens[2][0] != '\0') {
		ctxt.z->_type = (4 + _vm->_objectsNames->lookup(_tokens[2])) << 16;
	}
	int16 _si = _zoneTypeNames->lookup(_tokens[1]);
	if (_si != Table::notFound) {
		ctxt.z->_type |= 1 << (_si - 1);
		parseZoneTypeBlock(ctxt.z);

//		if (ctxt.z->_type & kZoneHear) {
//			_soundMan->sfxCommand(START...);
//		}
	}

	_parser->popTables();
}


DECLARE_ANIM_PARSER(file)  {
	debugC(7, kDebugParser, "ANIM_PARSER(file) ");

	ctxt.a->gfxobj = _vm->_gfx->loadAnim(_tokens[1]);
}


DECLARE_ANIM_PARSER(position)  {
	debugC(7, kDebugParser, "ANIM_PARSER(position) ");

	ctxt.a->_left = atoi(_tokens[1]);
	ctxt.a->_top = atoi(_tokens[2]);
	ctxt.a->_z = atoi(_tokens[3]);
	ctxt.a->_frame = atoi(_tokens[4]);
}


DECLARE_ANIM_PARSER(moveto)  {
	debugC(7, kDebugParser, "ANIM_PARSER(moveto) ");

	ctxt.a->_moveTo.x = atoi(_tokens[1]);
	ctxt.a->_moveTo.y = atoi(_tokens[2]);
//	ctxt.a->_moveTo.z = atoi(_tokens[3]);
}


DECLARE_ANIM_PARSER(endanimation)  {
	debugC(7, kDebugParser, "ANIM_PARSER(endanimation) ");


	if (ctxt.a->gfxobj) {
		ctxt.a->_right = ctxt.a->width();
		ctxt.a->_bottom = ctxt.a->height();
	}

	ctxt.a->_oldPos.x = -1000;
	ctxt.a->_oldPos.y = -1000;

	ctxt.a->_flags |= 0x1000000;

	_parser->popTables();
}










DECLARE_INSTRUCTION_PARSER(zone)  {
	debugC(7, kDebugParser, "INSTRUCTION_PARSER(zone) ");

	ctxt.inst->_z = _vm->findZone(_tokens[1]);
	ctxt.inst->_index = _parser->_lookup;
}



DECLARE_INSTRUCTION_PARSER(color)  {
	debugC(7, kDebugParser, "INSTRUCTION_PARSER(color) ");


	parseRValue(ctxt.inst->_opB, _tokens[1]);

	ctxt.inst->_colors[0] = atoi(_tokens[2]);
	ctxt.inst->_colors[1] = atoi(_tokens[3]);
	ctxt.inst->_colors[2] = atoi(_tokens[4]);
	ctxt.inst->_index = _parser->_lookup;

}


DECLARE_INSTRUCTION_PARSER(mask)  {
	debugC(7, kDebugParser, "INSTRUCTION_PARSER(mask) ");


	parseRValue(ctxt.inst->_opA, _tokens[1]);
	parseRValue(ctxt.inst->_opB, _tokens[2]);
	parseRValue(ctxt.inst->_opC, _tokens[3]);
	ctxt.inst->_index = _parser->_lookup;

}


DECLARE_INSTRUCTION_PARSER(print)  {
	debugC(7, kDebugParser, "INSTRUCTION_PARSER(print) ");

	parseRValue(ctxt.inst->_opB, _tokens[1]);
	ctxt.inst->_index = _parser->_lookup;
}


DECLARE_INSTRUCTION_PARSER(text)  {
	debugC(7, kDebugParser, "INSTRUCTION_PARSER(text) ");


	int _si = 1;

	if (isdigit(_tokens[1][1])) {
		ctxt.inst->_y = atoi(_tokens[1]);
		_si = 2;
	} else {
		ctxt.inst->_y = -1;
	}

	ctxt.inst->_text = strdup(_tokens[_si]);
	_si++;

	if (_tokens[_si][0] != '\0' && scumm_stricmp("flags", _tokens[_si])) {
		ctxt.inst->_text2 = strdup(_tokens[_si]);
	}
	ctxt.inst->_index = _parser->_lookup;

}


DECLARE_INSTRUCTION_PARSER(if_op)  {
	debugC(7, kDebugParser, "INSTRUCTION_PARSER(if_op) ");


	if (ctxt.openIf)
		error("cannot nest 'if' blocks");

	parseLValue(ctxt.inst->_opA, _tokens[1]);
	parseRValue(ctxt.inst->_opB, _tokens[3]);

	if (_tokens[2][0] == '=') {
		ctxt.inst->_index = INST_IFEQ;
	} else
	if (_tokens[2][0] == '>') {
		ctxt.inst->_index = INST_IFGT;
	} else
	if (_tokens[2][0] == '<') {
		ctxt.inst->_index = INST_IFLT;
	} else
		error("unknown test operator '%s' in if-clause", _tokens[2]);

	ctxt.openIf = ctxt.inst;

}


DECLARE_INSTRUCTION_PARSER(endif)  {
	debugC(7, kDebugParser, "INSTRUCTION_PARSER(endif) ");

	if (!ctxt.openIf)
		error("unexpected 'endif'");

//	ctxt.openIf->_endif = ctxt.inst;
	ctxt.openIf = nullInstructionPtr;
	ctxt.inst->_index = _parser->_lookup;
}


void ProgramParser_br::parseRValue(ScriptVar &v, const char *str) {

	if (isdigit(str[0]) || str[0] == '-') {
		v.setImmediate(atoi(str));
		return;
	}

	int index = _program->findLocal(str);
	if (index != -1) {
		v.setLocal(&ctxt.locals[index]);
		return;
	}

	AnimationPtr a;
	if (str[1] == '.') {
		a = _vm->findAnimation(&str[2]);
		if (!a) {
			error("unknown animation '%s' in script", &str[2]);
		}
	} else
		a = AnimationPtr(ctxt.a);

	if (str[0] == 'X') {
		v.setField(&a->_left);
	} else
	if (str[0] == 'Y') {
		v.setField(&a->_top);
	} else
	if (str[0] == 'Z') {
		v.setField(&a->_z);
	} else
	if (str[0] == 'F') {
		v.setField(&a->_frame);
	}	else
	if (str[0] == 'N') {
		v.setImmediate(a->getFrameNum());
	} else
	if (str[0] == 'R') {
		v.setRandom(atoi(&str[1]));
	} else
	if (str[0] == 'L') {
		v.setField(&_vm->_lipSyncVal);
	}

}


void LocationParser_br::init() {

	_parser = new Parser;

	_zoneFlagNames = new Table(ARRAYSIZE(_zoneFlagNamesRes_br), _zoneFlagNamesRes_br);
	_zoneTypeNames = new Table(ARRAYSIZE(_zoneTypeNamesRes_br), _zoneTypeNamesRes_br);
	_commandsNames = new Table(ARRAYSIZE(_commandsNamesRes_br), _commandsNamesRes_br);
	_audioCommandsNames = new Table(ARRAYSIZE(_audioCommandsNamesRes_br), _audioCommandsNamesRes_br);
	_locationStmt = new Table(ARRAYSIZE(_locationStmtRes_br), _locationStmtRes_br);
	_locationZoneStmt = new Table(ARRAYSIZE(_locationZoneStmtRes_br), _locationZoneStmtRes_br);
	_locationAnimStmt = new Table(ARRAYSIZE(_locationAnimStmtRes_br), _locationAnimStmtRes_br);

	Common::Array<const Opcode*> *table = 0;

	SetOpcodeTable(_commandParsers);
	WARNING_PARSER(unexpected);
	COMMAND_PARSER(flags);		// set
	COMMAND_PARSER(flags);		// clear
	COMMAND_PARSER(zone);	// start
	COMMAND_PARSER(zone);		// speak
	COMMAND_PARSER(zone);		// get
	COMMAND_PARSER(location);
	COMMAND_PARSER(zone);		// open
	COMMAND_PARSER(zone);		// close
	COMMAND_PARSER(zone);		// on
	COMMAND_PARSER(zone);		// off
	COMMAND_PARSER(call);
	COMMAND_PARSER(flags);		// toggle
	COMMAND_PARSER(drop);
	COMMAND_PARSER(simple);		// quit
	COMMAND_PARSER(move);
	COMMAND_PARSER(zone);	// stop
	COMMAND_PARSER(string);		// character
	COMMAND_PARSER(string);		// followme
	COMMAND_PARSER(simple);		// onmouse
	COMMAND_PARSER(simple);		// offmouse
	COMMAND_PARSER(drop);		// add
	COMMAND_PARSER(zone);		// leave
	COMMAND_PARSER(math);		// inc
	COMMAND_PARSER(math);		// dec
	COMMAND_PARSER(test);		// test
	WARNING_PARSER(unexpected);
	WARNING_PARSER(unexpected);
	COMMAND_PARSER(math);		// let
	COMMAND_PARSER(music);
	COMMAND_PARSER(zone);		// fix
	COMMAND_PARSER(zone);		// unfix
	COMMAND_PARSER(zeta);
	COMMAND_PARSER(unary);		// scroll
	COMMAND_PARSER(string);		// swap
	COMMAND_PARSER(give);
	COMMAND_PARSER(text);
	COMMAND_PARSER(unary);		// part
	WARNING_PARSER(unexpected);
	COMMAND_PARSER(simple);		// return
	COMMAND_PARSER(simple);		// onsave
	COMMAND_PARSER(simple);		// offsave
	COMMAND_PARSER(endcommands);	// endcommands
	COMMAND_PARSER(ifchar);
	COMMAND_PARSER(endif);

	SetOpcodeTable(_locationParsers);
	WARNING_PARSER(unexpected);
	LOCATION_PARSER(character);
	LOCATION_PARSER(endlocation);
	LOCATION_PARSER(ifchar);
	LOCATION_PARSER(null);			// endif
	LOCATION_PARSER(location);
	LOCATION_PARSER(mask);
	LOCATION_PARSER(path);
	LOCATION_PARSER(null);			// disk
	LOCATION_PARSER(localflags);
	LOCATION_PARSER(commands);
	LOCATION_PARSER(escape);
	LOCATION_PARSER(acommands);
	LOCATION_PARSER(flags);
	LOCATION_PARSER(comment);
	LOCATION_PARSER(endcomment);
	LOCATION_PARSER(zone);
	LOCATION_PARSER(animation);
	LOCATION_PARSER(zeta);
	LOCATION_PARSER(music);
	LOCATION_PARSER(sound);

	SetOpcodeTable(_locationZoneParsers);
	WARNING_PARSER(unexpected);
	ZONE_PARSER(endzone);
	ZONE_PARSER(limits);
	ZONE_PARSER(moveto);
	ZONE_PARSER(type);
	ZONE_PARSER(commands);
	ZONE_PARSER(label);
	ZONE_PARSER(flags);


	SetOpcodeTable(_locationAnimParsers);
	WARNING_PARSER(unexpected);
	ANIM_PARSER(endanimation);
	ANIM_PARSER(endanimation);		// endzone
	ANIM_PARSER(script);
	ANIM_PARSER(commands);
	ANIM_PARSER(type);
	ANIM_PARSER(label);
	ANIM_PARSER(flags);
	ANIM_PARSER(file);
	ANIM_PARSER(position);
	ANIM_PARSER(moveto);
}

void ProgramParser_br::init() {

	_parser = new Parser;

	_instructionNames = new Table(ARRAYSIZE(_instructionNamesRes_br), _instructionNamesRes_br);

	Common::Array<const Opcode*> *table = 0;

	SetOpcodeTable(_instructionParsers);
	INSTRUCTION_PARSER(defLocal);	// invalid opcode -> local definition
	INSTRUCTION_PARSER(zone);		// on
	INSTRUCTION_PARSER(zone);		// off
	INSTRUCTION_PARSER(x);
	INSTRUCTION_PARSER(y);
	INSTRUCTION_PARSER(z);
	INSTRUCTION_PARSER(f);
	INSTRUCTION_PARSER(loop);
	INSTRUCTION_PARSER(null);		// endloop
	INSTRUCTION_PARSER(null);		// show
	INSTRUCTION_PARSER(inc);
	INSTRUCTION_PARSER(inc);		// dec
	INSTRUCTION_PARSER(set);
	INSTRUCTION_PARSER(put);
	INSTRUCTION_PARSER(call);
	INSTRUCTION_PARSER(null);		// wait
	INSTRUCTION_PARSER(zone);		// start
	INSTRUCTION_PARSER(zone);		// process
	INSTRUCTION_PARSER(move);
	INSTRUCTION_PARSER(color);
	INSTRUCTION_PARSER(zone);		// sound
	INSTRUCTION_PARSER(mask);
	INSTRUCTION_PARSER(print);
	INSTRUCTION_PARSER(text);
	INSTRUCTION_PARSER(inc);		// mul
	INSTRUCTION_PARSER(inc);		// div
	INSTRUCTION_PARSER(if_op);
	INSTRUCTION_PARSER(null);
	INSTRUCTION_PARSER(null);
	INSTRUCTION_PARSER(endif);
	INSTRUCTION_PARSER(zone);		// stop
	INSTRUCTION_PARSER(endscript);
}

void LocationParser_br::parse(Script *script) {

	ctxt.numZones = 0;
	ctxt.bgName = 0;
	ctxt.maskName = 0;
	ctxt.pathName = 0;
	ctxt.characterName = 0;

	LocationParser_ns::parse(script);

	_vm->_gfx->setBackground(kBackgroundLocation, ctxt.bgName, ctxt.maskName, ctxt.pathName);
	_vm->_pathBuffer = &_vm->_gfx->_backgroundInfo.path;

	if (ctxt.characterName) {
		_vm->changeCharacter(ctxt.characterName);
	}

	free(ctxt.bgName);
	free(ctxt.maskName);
	free(ctxt.pathName);
	free(ctxt.characterName);

}

} // namespace Parallaction