package catala

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in-package search v0.2.0

Compiler and library for the literate programming language for tax code specification

Install

md5=b22e238d5d5c8452067109e9c7c0f427

sha512=ccc8c557c67c2f9d1bed4b957b2367f0f6afc0ef9b8b83237cf2a2912b3e8829b7e8af78ea7fe00b20ecf28b436ad04b591e5fff4f82fd08725d40a18c9924d0

Generates verification conditions from scope definitions

Sourcetype verification_condition_kind =

| NoEmptyError
(*
This verification condition checks whether a definition never returns an empty error
*)
| NoOverlappingExceptions
(*
This verification condition checks whether a definition never returns a conflict error
*)

Sourcetype verification_condition = {

vc_guard : Dcalc.Ast.expr Utils.Pos.marked;
(*
This expression should have type bool
*)
vc_kind : verification_condition_kind;
vc_scope : Dcalc.Ast.ScopeName.t;
vc_variable : Dcalc.Ast.Var.t Utils.Pos.marked;
vc_free_vars_typ : Dcalc.Ast.typ Utils.Pos.marked Dcalc.Ast.VarMap.t;
(*
Types of the locally free variables in vc_guard. The types of other free variables linked to scope variables can be obtained with Dcalc.Ast.variable_types.
*)

}

val generate_verification_conditions : 
  Dcalc.Ast.program ->
  verification_condition list