Grammar ¶

class cvc5. Grammar ¶

A Sygus Grammar. This class can be used to define a context-free grammar of terms. Its interface coincides with the definition of grammars ( GrammarDef ) in the SyGuS IF 2.1 standard.

Wrapper class for cvc5::Grammar .

addAnyConstant ( self , Term ntSymbol ) ¶

Allow ntSymbol to be an arbitrary constant.

Parameters :

ntSymbol – The non-terminal allowed to be constant.

addAnyVariable ( self , Term ntSymbol ) ¶

Allow ntSymbol to be any input variable to corresponding synth-fun/synth-inv with the same sort as ntSymbol .

Parameters :

ntSymbol – The non-terminal allowed to be any input variable.

addRule ( self , Term ntSymbol , Term rule ) ¶

Add rule to the set of rules corresponding to ntSymbol .

Parameters :

• ntSymbol – The non-terminal to which the rule is added.

• rule – The rule to add.

addRules ( self , Term ntSymbol , rules ) ¶

Add ntSymbol to the set of rules corresponding to ntSymbol .

Parameters :

• ntSymbol – The non-terminal to which the rules are added.

• rules – The rules to add.