mirror of
https://github.com/gnustep/libs-steptalk.git
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3854adf0a6
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/steptalk/trunk@17458 72102866-910b-0410-8b05-ffd578937521
133 lines
4.2 KiB
Objective-C
133 lines
4.2 KiB
Objective-C
/**
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STCompiler.h
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Bytecode compiler. Generates STExecutableCode from source code.
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Copyright (c) 2002 Free Software Foundation
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Written by: Stefan Urbanek <urbanek@host.sk>
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This file is part of the StepTalk project.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#import <Foundation/NSObject.h>
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#import <Foundation/NSGeometry.h>
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#import <Foundation/NSRange.h>
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@class STCompiledScript;
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@class STCompiledCode;
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@class STCompiledMethod;
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@class STEnvironment;
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@class STSourceReader;
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@class STCExpression;
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@class STCMethod;
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@class STCPrimary;
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@class STCStatements;
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@class STCompiler;
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@class NSMutableData;
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@class NSMutableArray;
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@protocol STScriptObject;
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/*" Parser context information "*/
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typedef struct _STParserContext
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{
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STCompiler *compiler;
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STSourceReader *reader;
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} STParserContext;
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/*" Get compiler from parser context "*/
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#define STParserContextGetCompiler(context)\
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(((STParserContext *)context)->compiler)
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/*" Get source reader from parser context "*/
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#define STParserContextGetReader(context)\
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(((STParserContext *)context)->reader)
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/*" Initialize parser context "*/
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#define STParserContextInit(context,aCompiler,aReader) \
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do { \
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((STParserContext *)context)->compiler = aCompiler; \
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((STParserContext *)context)->reader = aReader; \
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} while(0)
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@interface STCompiler:NSObject
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{
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STEnvironment *environment;
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STSourceReader *reader;
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STParserContext context;
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STCompiledScript *resultScript;
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STCompiledMethod *resultMethod;
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NSMutableData *byteCodes;
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NSMutableArray *tempVars;
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NSMutableArray *externVars;
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NSMutableArray *receiverVars;
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NSMutableArray *literals;
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BOOL isSingleMethod;
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unsigned stackSize; /* Required stack size */
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unsigned stackPos; /* Current stack pointer */
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unsigned tempsSize; /* Required temp space */
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unsigned tempsCount; /* Actual temp space */
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unsigned bcpos; /* Bytecode position */
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Class stringLiteralClass; /* default: NSMutableString */
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Class arrayLiteralClass; /* default: NSMutableArray */
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Class characterLiteralClass; /* default: NSString */
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Class intNumberLiteralClass; /* default: NSNumber */
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Class realNumberLiteralClass; /* default: NSNumber */
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Class symbolLiteralClass; /* default: NSString */
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}
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+ compilerWithEnvironment:(STEnvironment *)env;
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- initWithEnvironment:(STEnvironment *)env;
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/*" Environment "*/
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- (void)setEnvironment:(STEnvironment *)env;
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- (STSourceReader *)sourceReader;
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/*" Compilation "*/
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- (STCompiledScript *)compileString:(NSString *)aString;
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- (STCompiledMethod *)compileMethodFromSource:(NSString *)aString
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forReceiver:(id <STScriptObject>)receiver;
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/*
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- (NSMutableArray *)compileString:(NSString *)string;
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- (NSMutableArray *)compileString:(NSString *)string range:(NSRange) range;
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*/
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/*" Literals "*/
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- (Class)intNumberLiteralClass;
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- (Class)realNumberLiteralClass;
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- (Class)stringLiteralClass;
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- (Class)arrayLiteralClass;
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- (Class)symbolLiteralClass;
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- (void)setStringLiteralClass:(Class)aClass;
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- (void)setArrayLiteralClass:(Class)aClass;
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- (void)setSymbolLiteralClass:(Class)aClass;
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- (void)setIntNumberLiteralClass:(Class)aClass;
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- (void)setRealNumberLiteralClass:(Class)aClass;
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- (void)setReceiverVariables:(NSArray *)vars;
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- (void)addTempVariable:(NSString *)varName;
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- (BOOL)beginScript;
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@end
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