diff options
Diffstat (limited to 'MLKLexicalContext.h')
-rw-r--r-- | MLKLexicalContext.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/MLKLexicalContext.h b/MLKLexicalContext.h new file mode 100644 index 0000000..a93e40f --- /dev/null +++ b/MLKLexicalContext.h @@ -0,0 +1,54 @@ +/* -*- mode: objc; coding: utf-8 -*- */ +/* Étoilisp/Mulklisp, a Common Lisp subset for the Étoilé runtime. + * Copyright (C) 2008 Matthias Andreas Benkard. + * + * 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 3 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, see <http://www.gnu.org/licenses/>. + */ + +#import "MLKLispValue.h" + +@class MLKEnvironment, MLKSymbol, NSLinkedList, NSSet, + NSMutableDictionary, NSString, MLKCons; + + +@interface MLKLexicalContext : MLKLispValue +{ + MLKEnvironment *_macroBindings; + MLKEnvironment *_goTags; + NSMutableDictionary *_variableLocations; + MLKCons *_declarations; + MLKLexicalContext *_parent; +} + +-(MLKLexicalContext *) initWithParent:(MLKLexicalContext *)aContext + variables:(NSSet *)vars + goTags:(NSDictionary *)goTags + macros:(NSDictionary *)macros + declarations:(NSDictionary *)declarations; + ++(MLKLexicalContext *) globalContext; ++(MLKLexicalContext *) nullContext; + +-(MLKEnvironment *) environment; + +-(id) macroForSymbol:(MLKSymbol *)symbol; +-(id) goTagForSymbol:(MLKSymbol *)symbol; +-(id) variableLocationForSymbol:(MLKSymbol *)symbol; + +-(void) addVariable:(MLKSymbol *)symbol; + +-(BOOL) variableIsLexical:(MLKSymbol *)symbol; + +-(void) dealloc; +@end |