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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(* $Id: highlight.mll 14641 2011-11-06 11:59:10Z herbelin $ *)
{
open Lexing
type color = GText.tag
type highlight_order = int * int * color
let comment_start = ref 0
(* Without this table, the automaton would be too big and
ocamllex would fail *)
let is_one_word_command =
let h = Hashtbl.create 97 in
List.iter (fun s -> Hashtbl.add h s ())
[ "Add" ; "Check"; "Eval"; "Extraction" ;
"Load" ; "Undo"; "Goal";
"Proof" ; "Print"; "Qed" ; "Defined" ; "Save" ;
"End" ; "Section"; "Chapter"; "Transparent"; "Opaque"; "Comments"
];
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"; "in"; "if"; "then"; "else"; "return";
"Prop"; "Set"; "Type" ];
Hashtbl.mem h
(* Without this table, the automaton would be too big and
ocamllex would fail *)
let is_one_word_declaration =
let h = Hashtbl.create 97 in
List.iter (fun s -> Hashtbl.add h s ())
[ (* Theorems *)
"Theorem" ; "Lemma" ; "Fact" ; "Remark" ; "Corollary" ;
"Proposition" ; "Property" ;
(* Definitions *)
"Definition" ; "Let" ; "Example" ; "SubClass" ;
"Fixpoint" ; "CoFixpoint" ; "Scheme" ; "Function" ;
(* Assumptions *)
"Hypothesis" ; "Variable" ; "Axiom" ; "Parameter" ; "Conjecture" ;
"Hypotheses" ; "Variables" ; "Axioms" ; "Parameters";
(* Inductive *)
"Inductive" ; "CoInductive" ; "Record" ; "Structure" ;
(* Other *)
"Ltac" ; "Typeclasses"; "Instance"; "Include"; "Context"; "Class"
];
Hashtbl.mem h
let starting = ref true
}
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 multiword_declaration =
"Module" (space+ "Type")?
| "Program" space+ ident
| "Existing" space+ "Instance"
| "Canonical" space+ "Structure"
let locality = ("Local" space+)?
let multiword_command =
"Set" (space+ ident)*
| "Unset" (space+ ident)*
| "Open" space+ locality "Scope"
| "Close" space+ locality "Scope"
| "Bind" space+ "Scope"
| "Arguments" space+ "Scope"
| "Reserved" space+ "Notation" space+ locality
| "Delimit" space+ "Scope"
| "Next" space+ "Obligation"
| "Solve" space+ "Obligations"
| "Require" space+ ("Import"|"Export")?
| "Infix" space+ locality
| "Notation" space+ locality
| "Hint" space+ locality ident
| "Reset" (space+ "Initial")?
| "Tactic" space+ "Notation"
| "Implicit" space+ "Arguments"
| "Implicit" space+ ("Type"|"Types")
| "Combined" space+ "Scheme"
| "Extraction" space+ (("Language" space+ ("Ocaml"|"Haskell"|"Scheme"))|
("Library"|"Inline"|"NoInline"|"Blacklist"))
| "Recursive" space+ "Extraction" (space+ "Library")?
| ("Print"|"Reset") space+ "Extraction" space+ ("Inline"|"Blacklist")
| "Extract" space+ (("Inlined" space+) "Constant"| "Inductive")
(* At least still missing: "Inline" + decl, variants of "Identity
Coercion", variants of Print, Add, ... *)
rule next_starting_order = parse
| "(*" { comment_start := lexeme_start lexbuf; comment lexbuf }
| space+ { next_starting_order lexbuf }
| multiword_declaration
{ starting:=false; lexeme_start lexbuf, lexeme_end lexbuf, Tags.Script.decl }
| multiword_command
{ starting:=false; lexeme_start lexbuf, lexeme_end lexbuf, Tags.Script.kwd }
| ident as id
{ if id = "Time" then next_starting_order lexbuf else
begin
starting:=false;
if is_one_word_command id then
lexeme_start lexbuf, lexeme_end lexbuf, Tags.Script.kwd
else if is_one_word_declaration id then
lexeme_start lexbuf, lexeme_end lexbuf, Tags.Script.decl
else
next_interior_order lexbuf
end
}
| _ { starting := false; next_interior_order lexbuf}
| eof { raise End_of_file }
and next_interior_order = parse
| "(*"
{ comment_start := lexeme_start lexbuf; comment lexbuf }
| ident as id
{ if is_constr_kw id then
lexeme_start lexbuf, lexeme_end lexbuf, Tags.Script.kwd
else
next_interior_order lexbuf }
| "." (" "|"\n"|"\t") { starting := true; next_starting_order lexbuf }
| _ { next_interior_order lexbuf}
| eof { raise End_of_file }
and comment = parse
| "*)" { !comment_start,lexeme_end lexbuf,Tags.Script.comment }
| "(*" { ignore (comment lexbuf); comment lexbuf }
| "\"" { string_in_comment lexbuf }
| _ { comment lexbuf }
| eof { raise End_of_file }
and string_in_comment = parse
| "\"\"" { string_in_comment lexbuf }
| "\"" { comment lexbuf }
| _ { string_in_comment lexbuf }
| eof { raise End_of_file }
{
open Ideutils
let highlighting = ref false
let highlight_slice (input_buffer:GText.buffer) (start:GText.iter) stop =
starting := true; (* approximation: assume the beginning of a sentence *)
if !highlighting then prerr_endline "Rejected highlight"
else begin
highlighting := true;
prerr_endline "Highlighting slice now";
input_buffer#remove_tag ~start ~stop Tags.Script.error;
input_buffer#remove_tag ~start ~stop Tags.Script.kwd;
input_buffer#remove_tag ~start ~stop Tags.Script.decl;
input_buffer#remove_tag ~start ~stop Tags.Script.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 =
if !starting then next_starting_order lb
else next_interior_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 ~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 _ -> ()
}
|
