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Consider the following grammar, which supports the syntax needed to return a value from a subroutine call

Computer Science

Consider the following grammar, which supports the syntax needed to return a value from a subroutine call.

StmtAssignment | FunCall | return id FunDefAssignmentid := ExprFunCallName ( ArgList )FunDefType Name  ( ParamList )ExprPrimary ExprTailExprTail op expr | εPrimary id | SubrCall | ( Expr ) Op + | - | * | / ArgList Expr ArgsTail |   εArgsTail , ArgList ε ParamListType id ParamTail  εParamTail, ParamList   εNameidType→int | float | void

Briefly sketch out the salient design of an Attribute Grammar, which extends the above Context-Free grammar, that would be required to handle the static semantics associated with making a function call.

x = foo(a, b)

You should demonstrate you understand attributes, inherited attributes, and synthesized attributes.

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