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DBConstraint.h
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DBConstraint.h
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//
// DBConstraint.h
// DeltaBlue
//
// Created by Marcel Weiher on 8/13/14.
//
//
#import <Foundation/Foundation.h>
#include "List.h"
#include "Constraints.h"
@class DBConstraint;
typedef void (^ConstraintBlock)(DBConstraint *);
typedef id (^OneArgBlock)(id a);
typedef id (^TwoArgBlock)(id a,id b);
@interface DBConstraint : NSObject
{
Constraint constraint;
NSMutableArray *realBlocks;
}
+(instancetype)constraintWithCConstraint:(Constraint)aCConstraint;
-(BOOL)isSatisfiedInput;
-(DBVariable*)outputVariable;
-(void)execute;
-(void)addMethodBlock:(ConstraintBlock)aBlock;
-(void)addBlock:aBlock withNumArgs:(int)numArgs;
//-(void)add2ArgBlock:(TwoArgBlock)aBlock;
//-(void)add1ArgBlock:(OneArgBlock)aBlock;
-(DBVariable *)variableAtIndex:(int)anIndex;
+(instancetype)constraintWithVariables:(NSArray*)newVars strength:(int)strength;
-(int)numVars;
-(BOOL)isSatisfied;
-(void)clearMethod;
-(BOOL)inputsKnownWithMark:(long)currentMark;
-(BOOL)isConstantOutput;
-(int)outputWalkStrength;
-(void)prepareForAdd;
-(void)destroy;
-(void)chooseMethodWithMark:(long)currentMark;
-(int)strength;
-(void)recalculate;
-(void)markInputs:(long)currentMark;
-(BOOL)hasVariables:(NSSet*)constraintVariables;
-(BOOL)hasSameVariablesAs:(DBConstraint*)otherConstraint;
@end