heptagon/compiler/obc/obc.ml

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(**************************************************************************)
(* *)
(* Heptagon *)
(* *)
(* Author : Marc Pouzet *)
(* Organization : Demons, LRI, University of Paris-Sud, Orsay *)
(* *)
(**************************************************************************)
(* Object code internal representation *)
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(** See the manual for the semantics of the language *)
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open Misc
open Names
open Idents
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open Types
open Signature
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open Location
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type class_name = qualname
type op_name = qualname
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type obj_ident = var_ident
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type type_dec =
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{ t_name : type_name;
t_desc : tdesc;
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t_loc : location }
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and tdesc =
| Type_abs
| Type_alias of ty
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| Type_enum of constructor_name list
| Type_struct of structure
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type const_dec = {
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c_name : qualname;
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c_value : static_exp;
c_type : ty;
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c_loc : location }
type pattern = { pat_desc : pat_desc; pat_ty : ty; pat_loc : location }
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and pat_desc =
| Lvar of var_ident
| Lmem of var_ident
| Lfield of pattern * field_name
| Larray of pattern * exp
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and ext_value = { w_desc : ext_value_desc; w_ty : ty; w_loc : location; }
and ext_value_desc =
| Wvar of var_ident
| Wconst of static_exp
| Wmem of var_ident
| Wfield of ext_value * field_name
| Warray of ext_value * exp
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and exp = { e_desc : exp_desc; e_ty : ty; e_loc : location }
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and exp_desc =
| Eextvalue of ext_value
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| Eop of op_name * exp list
| Estruct of type_name * (field_name * exp) list
| Earray of exp list
type obj_ref =
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| Oobj of obj_ident
| Oarray of obj_ident * pattern
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type method_name =
| Mreset
| Mstep
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type act =
| Aassgn of pattern * exp
| Aop of op_name * exp list
| Acall of pattern list * obj_ref * method_name * exp list
| Acase of exp * (constructor_name * block) list
| Afor of var_dec * exp * exp * block
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| Ablock of block
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and block =
{ b_locals : var_dec list;
b_body : act list }
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and var_dec =
{ v_ident : var_ident;
v_type : ty;
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v_mutable : bool;
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v_loc : location }
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type obj_dec =
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{ o_ident : obj_ident;
o_class : class_name;
o_params : static_exp list;
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(** size of the array if the declaration is an array of obj *)
o_size : static_exp option;
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o_loc : location }
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type method_def =
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{ m_name : method_name;
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m_inputs : var_dec list;
m_outputs : var_dec list;
m_body : block; }
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type class_def =
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{ cd_name : class_name;
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(** when false, the class is a function with static parameters
calling other functions with parameters *)
cd_stateful : bool;
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cd_mems : var_dec list;
cd_objs : obj_dec list;
cd_params : param list;
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cd_methods: method_def list;
cd_loc : location }
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type program =
{ p_modname : modul;
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p_opened : modul list;
p_desc : program_desc list }
and program_desc =
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| Pclass of class_def
| Pconst of const_dec
| Ptype of type_dec
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