scummvm/engines/mutationofjb/commands/labelcommand.cpp
2018-08-25 23:12:01 +02:00

77 lines
2.1 KiB
C++

/* 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.
*
*/
#include "mutationofjb/commands/labelcommand.h"
#include "mutationofjb/commands/gotocommand.h"
#include "mutationofjb/script.h"
/** @file
* <label> ":"
*
* Creates a label.
*/
namespace MutationOfJB {
bool LabelCommandParser::parse(const Common::String &line, ScriptParseContext &parseCtx, Command *&command) {
if (line.lastChar() != ':') {
return false;
}
Common::String label = line;
label.deleteLastChar();
LabelCommand *labelCmd = new LabelCommand(label);
if (!parseCtx._labels.contains(label)) {
parseCtx._labels[label] = labelCmd;
} else {
warning("Label '%s' already exists", label.c_str());
}
if (parseCtx._pendingGotos.contains(label)) {
GotoCommands &gotos = parseCtx._pendingGotos[label];
for (GotoCommands::const_iterator it = gotos.begin(); it != gotos.end(); ++it) {
(*it)->setLabelCommand(labelCmd);
}
gotos.clear();
}
command = labelCmd;
return true;
}
const Common::String &LabelCommand::getName() const {
return _name;
}
Command::ExecuteResult LabelCommand::execute(ScriptExecutionContext &) {
// Intentionally empty.
return Finished;
}
Common::String LabelCommand::debugString() const {
return Common::String::format("LABEL %s", _name.c_str());
}
}