//
//  EXPElement.h
//  XMLTest
//
//  Created by Ashley on 11/04/2007.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "EXPExpressionList.h"
#import "EXPExpression.h"
#import "EXPParser.h"
#import "EXPSymbolTable.h"

@interface EXPElement : NSObject {
	int _identifier;
	NSString *_name;
	NSString *_label;
	id _sheet;
	unsigned int _address;
	BOOL _isPrivate;
	EXPExpressionList *_expressionList;
	EXPExpression *_expression;
	NSMutableArray *_inputs;
	NSMutableArray *_outputs;
}

+ (void) reportElementCount;

- (void) setElementFromXLMElement:(NSXMLElement *)element;
- (void) writeElementToXMLElement:(NSXMLElement *)element;

- (BOOL) setElementFromParser:(EXPParser *)parser symbolTable:(EXPSymbolTable *)sysmbolTable inputs:(id)inputs;

- (void) processExpressionList;
- (id) expressionList;
- (void) setExpressionList:(id)expressionList;
- (void) generateParseTree;

- (id) expression;
- (void) setExpression:(EXPExpression *)expression;

- (void) setName:(NSString *)name;
- (NSString *)name;
- (void) setLabel:(id)label;
- (id) label;
- (void) setSheet:(id)sheet;
- (id) sheet;

- (void) setAddress:(unsigned int)address;
- (unsigned int) address;
- (unsigned int) length;

- (void) setIsPrivate:(BOOL)isPrivate;
- (BOOL) isPrivate;

- (id) inputs;
- (void) setInputs:(id)inputs;
- (void) addInput:(id)input;
- (id) outputs;
- (void) setOutputs:(id)outputs;
- (void) addOutput:(id)output;
- (void) handleError:(NSError *)err;

- (NSString *)elementType;

- (BOOL) dependsUpon:(EXPElement *)target;
- (NSComparisonResult)compareElements:(EXPElement *)comparitor;

- (void) dump;
- (void) clear;
- (id)copyWithZone:(NSZone *)zone;

- (BOOL) compileInitialisation:(EXPStackMachine *)machine error:(NSError **)err opcode:(unsigned int)opcode;
- (BOOL) compile:(EXPStackMachine *)machine error:(NSError **)err opcode:(unsigned int)opcode;
- (BOOL) compile:(EXPStackMachine *)machine error:(NSError **)err withArguments:(NSArray *)arguments;

@end