|
1
30
31 package org.syntax.jedit.tokenmarker;
32
33 import javax.swing.text.Segment  ;
34
35
41 public class MakefileTokenMarker extends TokenMarker
42 {
43 public byte markTokensImpl(byte token, Segment line, int lineIndex)
45 {
46 char[] array = line.array;
47 int offset = line.offset;
48 int lastOffset = offset;
49 int length = line.count + offset;
50 boolean backslash = false;
51 loop: for(int i = offset; i < length; i++)
52 {
53 int i1 = (i+1);
54
55 char c = array[i];
56 if(c == '\\')
57 {
58 backslash = !backslash;
59 continue;
60 }
61
62 switch(token)
63 {
64 case Token.NULL:
65 switch(c)
66 {
67 case ':': case '=': case ' ': case '\t':
68 backslash = false;
69 if(lastOffset == offset)
70 {
71 addToken(i1 - lastOffset,Token.KEYWORD1);
72 lastOffset = i1;
73 }
74 break;
75 case '#':
76 if(backslash)
77 backslash = false;
78 else
79 {
80 addToken(i - lastOffset,token);
81 addToken(length - i,Token.COMMENT1);
82 lastOffset = length;
83 break loop;
84 }
85 break;
86 case '$':
87 if(backslash)
88 backslash = false;
89 else if(lastOffset != offset)
90 {
91 addToken(i - lastOffset,token);
92 lastOffset = i;
93 if(length - i > 1)
94 {
95 char c1 = array[i1];
96 if(c1 == '(' || c1 == '{')
97 token = Token.KEYWORD2;
98 else
99 {
100 addToken(2,Token.KEYWORD2);
101 lastOffset += 2;
102 i++;
103 }
104 }
105 }
106 break;
107 case '"':
108 if(backslash)
109 backslash = false;
110 else
111 {
112 addToken(i - lastOffset,token);
113 token = Token.LITERAL1;
114 lastOffset = i;
115 }
116 break;
117 case '\'':
118 if(backslash)
119 backslash = false;
120 else
121 {
122 addToken(i - lastOffset,token);
123 token = Token.LITERAL2;
124 lastOffset = i;
125 }
126 break;
127 default:
128 backslash = false;
129 break;
130 }
131 case Token.KEYWORD2:
132 backslash = false;
133 if(c == ')' || c == '}')
134 {
135 addToken(i1 - lastOffset,token);
136 token = Token.NULL;
137 lastOffset = i1;
138 }
139 break;
140 case Token.LITERAL1:
141 if(backslash)
142 backslash = false;
143 else if(c == '"')
144 {
145 addToken(i1 - lastOffset,token);
146 token = Token.NULL;
147 lastOffset = i1;
148 }
149 else
150 backslash = false;
151 break;
152 case Token.LITERAL2:
153 if(backslash)
154 backslash = false;
155 else if(c == '\'')
156 {
157 addToken(i1 - lastOffset,Token.LITERAL1);
158 token = Token.NULL;
159 lastOffset = i1;
160 }
161 else
162 backslash = false;
163 break;
164 }
165 }
166 switch(token)
167 {
168 case Token.KEYWORD2:
169 addToken(length - lastOffset,Token.INVALID);
170 token = Token.NULL;
171 break;
172 case Token.LITERAL2:
173 addToken(length - lastOffset,Token.LITERAL1);
174 break;
175 default:
176 addToken(length - lastOffset,token);
177 break;
178 }
179 return token;
180 }
181 }
182 |
Popular Tags |
Java API By Example, From Geeks To Geeks.