i7-highlighter/lexical_highlights.cpp at master · EmacsUser/i7-highlighter · GitHub

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
#include "protocol.hpp"
#include "lexical_highlights.hpp"

namespace {
  enum lexical_supersuperstate {
    I7_IN_CONTEXT,
    I6_IN_CONTEXT,
    I7_COMMENT_IN_CONTEXT,
    I6_COMMENT_IN_CONTEXT,
    DOCUMENTATION_IN_CONTEXT,
    CHARACTER_IN_CONTEXT,
    STRING_IN_CONTEXT,
    SUBSTITUTION_IN_CONTEXT
  };
}

static lexical_supersuperstate supersuperstate_of(lexical_state state) {
  if (state.get_comment_depth()) {
    return I7_COMMENT_IN_CONTEXT;
  }
  switch (state.get_superstate()) {
  case I7:
  case I7_IN_I6:
  case I7_IN_I6_COMMENT:
  case I7_IN_EXTRACT:
  case I7_IN_I6_IN_ROUTINE:
  case I7_IN_I6_COMMENT_IN_ROUTINE:
  case I7_IN_I6_IN_EXTRACT:
  case I7_IN_I6_COMMENT_IN_EXTRACT:
  case I7_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
    return I7_IN_CONTEXT;
  case I6:
  case I6_IN_ROUTINE:
  case I6_IN_EXTRACT:
  case I6_IN_ROUTINE_IN_EXTRACT:
    return I6_IN_CONTEXT;
  case I6_COMMENT:
  case I6_COMMENT_IN_ROUTINE:
  case I6_COMMENT_IN_EXTRACT:
  case I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
    return I6_COMMENT_IN_CONTEXT;
  case I7_EXTENSION_DOCUMENTATION:
    return DOCUMENTATION_IN_CONTEXT;
  case I6_CHARACTER:
  case I6_CHARACTER_IN_ROUTINE:
  case I6_CHARACTER_IN_EXTRACT:
  case I6_CHARACTER_IN_ROUTINE_IN_EXTRACT:
    return CHARACTER_IN_CONTEXT;
  case I7_STRING:
  case I6_STRING:
  case I6_STRING_IN_ROUTINE:
  case I7_STRING_IN_I6:
  case I7_STRING_IN_I6_COMMENT:
  case I7_STRING_IN_I6_IN_ROUTINE:
  case I7_STRING_IN_I6_COMMENT_IN_ROUTINE:
  case I7_STRING_IN_EXTRACT:
  case I6_STRING_IN_EXTRACT:
  case I6_STRING_IN_ROUTINE_IN_EXTRACT:
  case I7_STRING_IN_I6_IN_EXTRACT:
  case I7_STRING_IN_I6_COMMENT_IN_EXTRACT:
  case I7_STRING_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_STRING_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
    return STRING_IN_CONTEXT;
  case I7_SUBSTITUTION:
  case I7_SUBSTITUTION_IN_I6:
  case I7_SUBSTITUTION_IN_I6_COMMENT:
  case I7_SUBSTITUTION_IN_I6_IN_ROUTINE:
  case I7_SUBSTITUTION_IN_I6_COMMENT_IN_ROUTINE:
  case I7_SUBSTITUTION_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_COMMENT_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
    return SUBSTITUTION_IN_CONTEXT;
  }
  return I7_IN_CONTEXT;
}

static bool is_extract_state(lexical_state state) {
  switch (state.get_superstate()) {
  case I7_IN_EXTRACT:
  case I7_IN_I6_IN_EXTRACT:
  case I7_IN_I6_COMMENT_IN_EXTRACT:
  case I7_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
  case I6_IN_EXTRACT:
  case I6_IN_ROUTINE_IN_EXTRACT:
  case I6_COMMENT_IN_EXTRACT:
  case I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
  case I6_CHARACTER_IN_EXTRACT:
  case I6_CHARACTER_IN_ROUTINE_IN_EXTRACT:
  case I7_STRING_IN_EXTRACT:
  case I6_STRING_IN_EXTRACT:
  case I6_STRING_IN_ROUTINE_IN_EXTRACT:
  case I7_STRING_IN_I6_IN_EXTRACT:
  case I7_STRING_IN_I6_COMMENT_IN_EXTRACT:
  case I7_STRING_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_STRING_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_COMMENT_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
    return true;
  }
  return false;
}

static bool is_self_nested(lexical_state state) {
  switch (state.get_superstate()) {
  case I7_IN_I6:
  case I7_IN_I6_COMMENT:
  case I7_IN_I6_IN_ROUTINE:
  case I7_IN_I6_COMMENT_IN_ROUTINE:
  case I7_IN_I6_IN_EXTRACT:
  case I7_IN_I6_COMMENT_IN_EXTRACT:
  case I7_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
  case I7_STRING_IN_I6:
  case I7_STRING_IN_I6_COMMENT:
  case I7_STRING_IN_I6_IN_ROUTINE:
  case I7_STRING_IN_I6_COMMENT_IN_ROUTINE:
  case I7_STRING_IN_I6_IN_EXTRACT:
  case I7_STRING_IN_I6_COMMENT_IN_EXTRACT:
  case I7_STRING_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_STRING_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6:
  case I7_SUBSTITUTION_IN_I6_COMMENT:
  case I7_SUBSTITUTION_IN_I6_IN_ROUTINE:
  case I7_SUBSTITUTION_IN_I6_COMMENT_IN_ROUTINE:
  case I7_SUBSTITUTION_IN_I6_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_COMMENT_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_IN_ROUTINE_IN_EXTRACT:
  case I7_SUBSTITUTION_IN_I6_COMMENT_IN_ROUTINE_IN_EXTRACT:
    return true;
  }
  return false;
}

highlight_code get_highlight_code(lexical_state before, lexical_state after) {
  switch (supersuperstate_of(after)) {
  case I7_IN_CONTEXT:
    switch (supersuperstate_of(before)) {
    case I6_IN_CONTEXT:
      if (is_self_nested(after)) {
	return HIGHLIGHT_I7_DELIMITER;
      }
      return HIGHLIGHT_I6_DELIMITER;
    case I7_COMMENT_IN_CONTEXT:
      return HIGHLIGHT_COMMENT_DELIMITER;
    case I6_COMMENT_IN_CONTEXT:
      return HIGHLIGHT_I6_DELIMITER;
    case DOCUMENTATION_IN_CONTEXT:
      return HIGHLIGHT_ORDINARY_I7;
    case STRING_IN_CONTEXT:
    case SUBSTITUTION_IN_CONTEXT:
      return HIGHLIGHT_STRING_LITERAL_DELIMITER;
    }
    return HIGHLIGHT_ORDINARY_I7;
  case I6_IN_CONTEXT:
    switch (supersuperstate_of(before)) {
    case I7_IN_CONTEXT:
      if (is_self_nested(before)) {
	return HIGHLIGHT_I7_DELIMITER;
      }
      return HIGHLIGHT_I6_DELIMITER;
    case CHARACTER_IN_CONTEXT:
      return HIGHLIGHT_CHARACTER_LITERAL_DELIMITER;
    case STRING_IN_CONTEXT:
      return HIGHLIGHT_STRING_LITERAL_DELIMITER;
    }
    return HIGHLIGHT_ORDINARY_I6;
  case I7_COMMENT_IN_CONTEXT:
  case I6_COMMENT_IN_CONTEXT:
    switch (supersuperstate_of(before)) {
    case I7_IN_CONTEXT:
      return HIGHLIGHT_I7_DELIMITER;
    case I6_IN_CONTEXT:
    case DOCUMENTATION_IN_CONTEXT:
      return HIGHLIGHT_COMMENT_DELIMITER;
    }
    return HIGHLIGHT_COMMENT;
  case DOCUMENTATION_IN_CONTEXT:
    if (!is_extract_state(before)) {
      switch (supersuperstate_of(before)) {
      case I7_IN_CONTEXT:
	return HIGHLIGHT_DOCUMENTATION_DELIMITER;
      }
    }
    return HIGHLIGHT_DOCUMENTATION;
  case CHARACTER_IN_CONTEXT:
    switch (supersuperstate_of(before)) {
    case I6_IN_CONTEXT:
      return HIGHLIGHT_CHARACTER_LITERAL_DELIMITER;
    }
    return HIGHLIGHT_CHARACTER_LITERAL;
  case STRING_IN_CONTEXT:
    switch (supersuperstate_of(before)) {
    case I7_IN_CONTEXT:
    case I6_IN_CONTEXT:
      return HIGHLIGHT_STRING_LITERAL_DELIMITER;
    case SUBSTITUTION_IN_CONTEXT:
      return HIGHLIGHT_SUBSTITUTION_DELIMITER;
    }
    return HIGHLIGHT_STRING_LITERAL;
  case SUBSTITUTION_IN_CONTEXT:
    switch (supersuperstate_of(before)) {
    case STRING_IN_CONTEXT:
      return HIGHLIGHT_SUBSTITUTION_DELIMITER;
    }
    return HIGHLIGHT_SUBSTITUTION;
  }
  return HIGHLIGHT_ORDINARY_I7;
}