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
|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(* $Id: highlight.mll 8880 2006-05-31 10:52:08Z notin $ *)
{
open Lexing
type color = string
type highlight_order = int * int * color
let comment_start = ref 0
let is_keyword =
let h = Hashtbl.create 97 in
List.iter (fun s -> Hashtbl.add h s ())
[ "Add" ; "Check"; "Defined" ;
"End" ; "Eval"; "Export" ; "Extraction" ; "Hint" ; "Hints" ;
"Implicits" ; "Import" ;
"Infix" ; "Load" ; "Module" ;
"Notation"; "Proof" ; "Print"; "Qed" ;
"Require" ; "Reset"; "Undo"; "Save" ;
"Section" ; "Unset" ;
"Set" ; "Notation"
];
Hashtbl.mem h
let is_constr_kw =
let h = Hashtbl.create 97 in
List.iter (fun s -> Hashtbl.add h s ())
[ "forall"; "fun"; "match"; "fix"; "cofix"; "with"; "for";
"end"; "as"; "let"; "if"; "then"; "else"; "return";
"Prop"; "Set"; "Type"];
Hashtbl.mem h
let is_declaration =
let h = Hashtbl.create 97 in
List.iter (fun s -> Hashtbl.add h s ())
[ "Theorem" ; "Lemma" ; "Fact" ; "Remark" ; "Corollary" ; "Proposition" ; "Property" ;
"Definition" ; "Let" ; "Example" ; "SubClass" ; "Inductive" ; "CoInductive" ;
"Record" ; "Structure" ; "Fixpoint" ; "CoFixpoint";
"Hypothesis" ; "Variable" ; "Axiom" ; "Parameter" ; "Conjecture" ;
"Hypotheses" ; "Variables" ; "Axioms" ; "Parameters"
];
Hashtbl.mem h
}
let space =
[' ' '\010' '\013' '\009' '\012']
let firstchar =
['$' 'A'-'Z' 'a'-'z' '_' '\192'-'\214' '\216'-'\246' '\248'-'\255']
let identchar =
['$' 'A'-'Z' 'a'-'z' '_' '\192'-'\214' '\216'-'\246' '\248'-'\255' '\'' '0'-'9']
let ident = firstchar identchar*
let thm_token = "Theorem" | "Lemma" | "Fact" | "Remark" | "Corollary" | "Proposition" | "Property"
let def_token = "Definition" | "Let" | "Example" | "SubClass"
let assumption = "Hypothesis" | "Variable" | "Axiom" | "Parameter" | "Conjecture" |
"Hypotheses" | "Variables" | "Axioms" | "Parameters"
let declaration =
"Theorem" | "Lemma" | "Fact" | "Remark" | "Corollary" | "Proposition" | "Property" |
"Definition" | "Let" | "Example" | "SubClass" |
"Inductive" | "CoInductive" |
"Record" | "Structure" |
"Fixpoint" | "CoFixpoint"
rule next_order = parse
| "(*"
{ comment_start := lexeme_start lexbuf; comment lexbuf }
| "Module Type"
{ lexeme_start lexbuf, lexeme_end lexbuf, "kwd" }
| ident as id
{ if is_keyword id then
lexeme_start lexbuf, lexeme_end lexbuf, "kwd"
else
begin
if is_constr_kw id then
lexeme_start lexbuf, lexeme_end lexbuf, "kwd"
else
begin
if is_declaration id then
lexeme_start lexbuf, lexeme_end lexbuf, "decl"
else
next_order lexbuf
end
end
}
| _ { next_order lexbuf}
| eof { raise End_of_file }
and comment = parse
| "*)" { !comment_start,lexeme_end lexbuf,"comment" }
| "(*" { ignore (comment lexbuf); comment lexbuf }
| _ { comment lexbuf }
| eof { raise End_of_file }
{
open Ideutils
let highlighting = ref false
let highlight_slice (input_buffer:GText.buffer) (start:GText.iter) stop =
if !highlighting then prerr_endline "Rejected highlight"
else begin
highlighting := true;
prerr_endline "Highlighting slice now";
input_buffer#remove_tag_by_name ~start ~stop "error";
input_buffer#remove_tag_by_name ~start ~stop "kwd";
input_buffer#remove_tag_by_name ~start ~stop "decl";
input_buffer#remove_tag_by_name ~start ~stop "comment";
(try begin
let offset = start#offset in
let s = start#get_slice ~stop in
let convert_pos = byte_offset_to_char_offset s in
let lb = Lexing.from_string s in
try
while true do
let b,e,o=next_order lb in
let b,e = convert_pos b,convert_pos e in
let start = input_buffer#get_iter_at_char (offset + b) in
let stop = input_buffer#get_iter_at_char (offset + e) in
input_buffer#apply_tag_by_name ~start ~stop o
done
with End_of_file -> ()
end
with _ -> ());
highlighting := false
end
let highlight_current_line input_buffer =
try
let i = get_insert input_buffer in
highlight_slice input_buffer (i#set_line_offset 0) i
with _ -> ()
let highlight_around_current_line input_buffer =
try
let i = get_insert input_buffer in
highlight_slice input_buffer
(i#backward_lines 10)
(ignore (i#nocopy#forward_lines 10);i)
with _ -> ()
let highlight_all input_buffer =
try
highlight_slice input_buffer input_buffer#start_iter input_buffer#end_iter
with _ -> ()
}
|
