1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2004-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%=====================================================================
%%
%% Contains type and record definitions for all Icode data structures.
%%
%%=====================================================================
%%---------------------------------------------------------------------
%% Include files needed for the compilation of this header file
%%---------------------------------------------------------------------
-include("../misc/hipe_consttab.hrl").
%%---------------------------------------------------------------------
%% Icode argument types
%%---------------------------------------------------------------------
-type simple_const() :: atom() | [] | integer() | float().
-type structured_const() :: list() | tuple().
-type icode_lbl() :: non_neg_integer().
%%---------------------------------------------------------------------
%% Icode records
%%---------------------------------------------------------------------
-record(flat, {value :: simple_const() | structured_const() | binary()}).
-record(icode_const, {value :: #flat{}}).
-type variable_annotation() :: {atom(), any(), fun((any()) -> string())}.
-record(icode_variable, {name :: non_neg_integer(),
kind :: 'var' | 'reg' | 'fvar',
annotation = [] :: [] | variable_annotation()}).
%%---------------------------------------------------------------------
%% Type declarations for Icode instructions
%%---------------------------------------------------------------------
-type icode_if_op() :: '>' | '<' | '>=' | '=<' | '=:=' | '=/=' | '==' | '/='
| 'fixnum_eq' | 'fixnum_neq' | 'fixnum_lt'
| 'fixnum_le' | 'fixnum_ge' | 'fixnum_gt'
| 'op_exact_eqeq_2' | 'suspend_msg_timeout'.
-type icode_type_test() :: 'atom' | 'bignum' | 'binary' | 'bitstr' | 'boolean'
| 'cons' | 'fixnum' | 'float' | 'function'
| 'function2' | 'integer' | 'list' | 'map' | 'nil'
| 'number' | 'pid' | 'port' | 'reference' | 'tuple'
| {'atom', atom()} | {'integer', integer()}
| {'record', atom(), non_neg_integer()}
| {'tuple', non_neg_integer()}.
-type icode_primop() :: atom() | tuple(). % XXX: temporarily, I hope
-type icode_funcall() :: mfa() | icode_primop().
-type icode_var() :: #icode_variable{kind::'var'}.
-type icode_reg() :: #icode_variable{kind::'reg'}.
-type icode_fvar() :: #icode_variable{kind::'fvar'}.
-type icode_argument() :: #icode_const{} | #icode_variable{}.
-type icode_term_arg() :: icode_var() | #icode_const{}.
-type icode_switch_case() :: {#icode_const{}, icode_lbl()}.
-type icode_call_type() :: 'local' | 'primop' | 'remote'.
-type icode_exit_class() :: 'error' | 'exit' | 'rethrow' | 'throw'.
-type icode_comment_text() :: atom() | string().
-type icode_info() :: [{'arg_types', [erl_types:erl_type()]}].
%%---------------------------------------------------------------------
%% Icode instructions
%%---------------------------------------------------------------------
-record(icode_label, {name :: icode_lbl()}).
-record(icode_if, {op :: icode_if_op(),
args :: [icode_term_arg()],
true_label :: icode_lbl(),
false_label :: icode_lbl(),
p :: float()}).
-record(icode_switch_val, {term :: icode_var(),
fail_label :: icode_lbl(),
length :: non_neg_integer(),
cases :: [icode_switch_case()]}).
-record(icode_switch_tuple_arity, {term :: icode_var(),
fail_label :: icode_lbl(),
length :: non_neg_integer(),
cases :: [icode_switch_case()]}).
-record(icode_type, {test :: icode_type_test(),
args :: [icode_term_arg()],
true_label :: icode_lbl(),
false_label :: icode_lbl(),
p :: float()}).
-record(icode_goto, {label :: icode_lbl()}).
-record(icode_move, {dst :: #icode_variable{},
src :: #icode_variable{} | #icode_const{}}).
-record(icode_phi, {dst :: #icode_variable{},
id :: #icode_variable{},
arglist :: [{icode_lbl(), #icode_variable{}}]}).
-record(icode_call, {dstlist :: [#icode_variable{}],
'fun' :: icode_funcall(),
args :: [icode_argument()],
type :: icode_call_type(),
continuation :: [] | icode_lbl(),
fail_label = [] :: [] | icode_lbl(),
in_guard = false :: boolean()}).
-record(icode_enter, {'fun' :: icode_funcall(),
args :: [icode_term_arg()],
type :: icode_call_type()}).
-record(icode_return, {vars :: [icode_var()]}).
-record(icode_begin_try, {label :: icode_lbl(), successor :: icode_lbl()}).
-record(icode_end_try, {}).
-record(icode_begin_handler, {dstlist :: [icode_var()]}).
%% TODO: Remove [] from fail_label
-record(icode_fail, {class :: icode_exit_class(),
args :: [icode_term_arg()],
fail_label = [] :: [] | icode_lbl()}).
-record(icode_comment, {text :: icode_comment_text()}).
%%---------------------------------------------------------------------
%% Icode instructions
%%---------------------------------------------------------------------
-type icode_instr() :: #icode_begin_handler{} | #icode_begin_try{}
| #icode_call{} | #icode_comment{} | #icode_end_try{}
| #icode_enter{} | #icode_fail{}
| #icode_goto{} | #icode_if{} | #icode_label{}
| #icode_move{} | #icode_phi{} | #icode_return{}
| #icode_switch_tuple_arity{} | #icode_switch_val{}
| #icode_type{}.
-type icode_instrs() :: [icode_instr()].
%%---------------------------------------------------------------------
%% The Icode data structure
%%---------------------------------------------------------------------
-record(icode, {'fun' :: mfa(),
params :: [icode_var()],
%% TODO: merge is_closure and closure_arity into one field
is_closure :: boolean(),
closure_arity = none :: 'none' | arity(),
is_leaf :: boolean(),
code = [] :: icode_instrs(),
data :: hipe_consttab(),
var_range :: {non_neg_integer(), non_neg_integer()},
label_range :: {icode_lbl(), icode_lbl()},
info = [] :: icode_info()}).
-type icode() :: #icode{}.
%%---------------------------------------------------------------------
|
