source: Deliverables/D2.2/8051/src/LTL/LTLPrinter.ml @ 1488

Last change on this file since 1488 was 1488, checked in by ayache, 8 years ago

Function pointers in D2.2/8051. Bugged for now.

File size: 3.1 KB
Line 
1
2(** This module provides a function to print [LTL] programs. *)
3
4
5let n_spaces n = String.make n ' '
6
7
8let print_global n (x, size) =
9  Printf.sprintf "%s\"%s\" [%d]" (n_spaces n) x size
10
11let print_globals n globs =
12  Printf.sprintf "%sglobals:\n%s"
13    (n_spaces n)
14    (List.fold_left (fun s g -> s ^ (print_global (n+2) g) ^ "\n") "" globs)
15
16
17let print_reg = I8051.print_register
18
19let print_a = print_reg I8051.a
20
21
22let print_statement = function
23  | LTL.St_skip lbl -> "--> " ^ lbl
24  | LTL.St_comment (s, lbl) ->
25    Printf.sprintf "*** %s *** --> %s" s lbl
26  | LTL.St_cost (cost_lbl, lbl) ->
27    Printf.sprintf "emit %s --> %s" cost_lbl lbl
28  | LTL.St_int (dstr, i, lbl) ->
29    Printf.sprintf "imm %s, %d --> %s" (print_reg dstr) i lbl
30  | LTL.St_pop lbl ->
31    Printf.sprintf "pop %s --> %s" print_a lbl
32  | LTL.St_push lbl ->
33    Printf.sprintf "push %s --> %s" print_a lbl
34  | LTL.St_addr (id, lbl) ->
35    Printf.sprintf "addr DPTR, %s --> %s" id lbl
36  | LTL.St_from_acc (dstr, lbl) ->
37    Printf.sprintf "move %s, %s --> %s" (print_reg dstr) print_a lbl
38  | LTL.St_to_acc (srcr, lbl) ->
39    Printf.sprintf "move %s, %s --> %s" print_a (print_reg srcr) lbl
40  | LTL.St_opaccs (opaccs, lbl) ->
41    Printf.sprintf "%s %s, %s --> %s"
42      (I8051.print_opaccs opaccs) print_a (print_reg I8051.b) lbl
43  | LTL.St_op1 (op1, lbl) ->
44    Printf.sprintf "%s %s --> %s" (I8051.print_op1 op1) print_a lbl
45  | LTL.St_op2 (op2, srcr, lbl) ->
46    Printf.sprintf "%s %s, %s --> %s"
47      (I8051.print_op2 op2) print_a (print_reg srcr) lbl
48  | LTL.St_clear_carry lbl ->
49    Printf.sprintf "clear CARRY --> %s" lbl
50  | LTL.St_set_carry lbl ->
51    Printf.sprintf "set CARRY --> %s" lbl
52  | LTL.St_load lbl ->
53    Printf.sprintf "movex %s, @DPTR --> %s" print_a lbl
54  | LTL.St_store lbl ->
55    Printf.sprintf "movex @DPTR, %s --> %s" print_a lbl
56  | LTL.St_call_id (f, lbl) -> Printf.sprintf "call \"%s\" --> %s" f lbl
57  | LTL.St_call_ptr lbl ->
58    Printf.sprintf "call_ptr DPTR --> %s" lbl
59  | LTL.St_condacc (lbl_true, lbl_false) ->
60    Printf.sprintf "branch %s <> 0 --> %s, %s" print_a lbl_true lbl_false
61  | LTL.St_return -> Printf.sprintf "return"
62
63
64let print_graph n c =
65  let f lbl stmt s =
66    Printf.sprintf "%s%s: %s\n%s"
67      (n_spaces n)
68      lbl
69      (print_statement stmt)
70      s in
71  Label.Map.fold f c ""
72
73
74let print_internal_decl n f def =
75
76  Printf.sprintf
77    "%s\"%s\"\n%sstacksize: %d\n%sentry: %s\n%sexit: %s\n\n%s"
78    (n_spaces n)
79    f
80    (n_spaces (n+2))
81    def.LTL.f_stacksize
82    (n_spaces (n+2))
83    def.LTL.f_entry
84    (n_spaces (n+2))
85    def.LTL.f_exit
86    (print_graph (n+2) def.LTL.f_graph)
87
88
89let print_external_decl n f def =
90  Printf.sprintf "%sextern \"%s\": %s\n"
91    (n_spaces n)
92    f
93    (Primitive.print_sig def.AST.ef_sig)
94
95
96let print_fun_decl n (f, def) = match def with
97  | LTL.F_int def -> print_internal_decl n f def
98  | LTL.F_ext def -> print_external_decl n f def
99
100let print_fun_decls n functs =
101  List.fold_left (fun s f -> s ^ (print_fun_decl n f) ^ "\n\n") ""
102    functs
103
104
105let print_program p =
106  Printf.sprintf "program:\n\n\n%s\n\n%s"
107    (print_globals 2 p.LTL.vars)
108    (print_fun_decls 2 p.LTL.functs)
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