libs-steptalk/Source/STEngine.m
Adam Fedor c2c2d22254 Initial revision
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/steptalk/trunk@13642 72102866-910b-0410-8b05-ffd578937521
2002-05-13 22:13:06 +00:00

116 lines
2.6 KiB
Objective-C

/**
STEngine.m
Scripting engine
Copyright (c) 2002 Free Software Foundation
Written by: Stefan Urbanek <urbanek@host.sk>
Date: 2000
This file is part of the StepTalk project.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import <StepTalk/STEngine.h>
#import <StepTalk/STEnvironment.h>
#import <StepTalk/STExterns.h>
#import <StepTalk/STFunctions.h>
#import <StepTalk/STLanguage.h>
#import <StepTalk/STUndefinedObject.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSException.h>
NSZone *STMallocZone = NULL;
void _STInitMallocZone(void)
{
if(!STMallocZone)
{
STMallocZone = NSCreateZone(NSPageSize(),NSPageSize(),NO);
}
}
@implementation STEngine
+ (void)initialize
{
_STInitMallocZone();
if(!STNil)
{
STNil = (STUndefinedObject *)NSAllocateObject([STUndefinedObject class],
0, STMallocZone);
}
}
+ (STEngine *) engineForFileType:(NSString *)fileType
{
STLanguage *language = [STLanguage languageForFileType:fileType];
return [language engine];
}
+ (STEngine *) engineForLanguage:(NSString *)name
{
if(!name)
{
NSLog(@"No language name given");
return NULL;
}
return [[STLanguage languageWithName:name] engine];
}
- (void)dealloc
{
RELEASE(defaultEnvironment);
[super dealloc];
}
- (STEnvironment *)defaultEnvironment
{
return defaultEnvironment;
}
- (void) setDefaultEnvironment:(STEnvironment *)anEnvironment
{
ASSIGN(defaultEnvironment,anEnvironment);
}
- (id) executeCode:(NSString *)code
{
return [self executeCode:code
inEnvironment:defaultEnvironment];
}
- (id) executeCode:(NSString *)code
inEnvironment:(STEnvironment *)env
{
[self subclassResponsibility:_cmd];
return nil;
}
- (BOOL)understandsCode:(NSString *)code
{
[self subclassResponsibility:_cmd];
return NO;
}
@end