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(*
Langages de Programmation et Compilation (J.-C. Filliatre)
2013-2014
Alex AUVOLAT
AST for Mini-C++
*)
module Sset = Set.Make(String)
let type_names = ref Sset.empty
type ident = string
type tident = string
type binop =
| Equal | NotEqual
| Lt | Le | Gt | Ge
| Add | Sub | Mul | Div | Modulo
| Land | Lor
type unop =
| PreIncr | PostIncr | PreDecr | PostDecr
| Ref | Deref
| Not
| Minus | Plus
type var_type =
| TVoid
| TInt
| TPtr of var_type
| TRef of var_type
| TIdent of tident
type expression =
| EInt of int
| EBool of bool
| ENull
| EThis
| EIdent of ident
| EAssign of expression * expression
| ECall of expression * expression list
| EUnary of unop * expression
| EBinary of expression * binop * expression
| EMember of expression * ident
| ENew of ident * expression list
type str_expression =
| SEExpr of expression
| SEStr of string
type statement =
| SEmpty
| SExpr of expression
| SIf of expression * statement * statement
| SWhile of expression * statement
| SFor of expression list * expression option * expression list * statement
| SBlock of block
| SReturn of expression option
| SDeclare of var_type * ident
| SDeclareAssignExpr of var_type * ident * expression
| SDeclareAssignConstructor of var_type * ident * ident * expression list
(* Type of variable, variable name, constructor class name, constructor arguments *)
| SWriteCout of str_expression list
and block = statement list
type proto = {
p_name : ident;
p_class : ident option; (* p_class = none : standalone function *)
p_ret_type : var_type option; (* p_class = some and p_ret_type = none : constructor *)
p_args : (var_type * ident) list;
}
type cls_mem =
| CVar of var_type * ident
| CMethod of proto
| CVirtualMethod of proto
type cls = {
c_name : ident;
c_supers : ident list option;
c_members : cls_mem list;
}
type declaration =
| DGlobal of (var_type * ident)
| DFunction of (proto * block)
| DClass of cls
type program = declaration list
|
