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Java Lookahead Parser Generator. Generator produces LALR(k) parsers. Grammar rules are entered using annotations. Rule annotation can be attached to reducer method, which keeps rule and it's action together.
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public void org.vesalainen.regex.Regex
(
)
0:  aload_0 // this org.vesalainen.lpg.examples.RT
1:  invokespecial 10 //  ()V
4:  aload_0 // this org.vesalainen.lpg.examples.RT
5:  iconst_0
6:  putfield 14
9:  aload_0 // this org.vesalainen.lpg.examples.RT
10:  ldc 16
12:  putfield 20
15:  aload_0 // this org.vesalainen.lpg.examples.RT
16:  iconst_5
17:  putfield 24
20:  aload_0 // this org.vesalainen.lpg.examples.RT
21:  ldc 25
23:  putfield 28
26:  return
protected int match
(
  org.vesalainen.lpg.util.InputReader
)
[start]:
0:  iconst_m1
1:  istore_2 // cc int
2:  iconst_m1
3:  istore_3 // accepted int
[S0]:
4:  iconst_m1
5:  istore_3 // accepted int
6:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
7:  invokevirtual 41 // read ()I
10:  istore_2 // cc int
11:  iload_2 // cc int
12:  iflt 200 //[eof]
15:  iload_2 // cc int
16:  bipush 47
18:  if_icmpeq 24 //[S0-/>S1, S1]
21:  goto  183 //[error]
[S0-/>S1, S1]:
24:  iconst_m1
25:  istore_3 // accepted int
26:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
27:  invokevirtual 41 // read ()I
30:  istore_2 // cc int
31:  iload_2 // cc int
32:  iflt 200 //[eof]
35:  iload_2 // cc int
36:  bipush 42
38:  if_icmpeq 44 //[S1-*>S2, S2]
41:  goto  183 //[error]
[S1-*>S2, S2]:
44:  iconst_m1
45:  istore_3 // accepted int
46:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
47:  invokevirtual 41 // read ()I
50:  istore_2 // cc int
51:  iload_2 // cc int
52:  iflt 200 //[eof]
55:  iload_2 // cc int
56:  iconst_0
57:  if_icmplt 69 //[S2-0x0-)>S3]
60:  iload_2 // cc int
61:  bipush 42
63:  if_icmpge 69 //[S2-0x0-)>S3]
66:  goto  87 //[S3]
[S2-0x0-)>S3]:
69:  iload_2 // cc int
70:  bipush 42
72:  if_icmpne 78 //[S2-*>S4]
75:  goto  130 //[S4]
[S2-*>S4]:
78:  iload_2 // cc int
79:  bipush 43
81:  if_icmplt 183 //[error]
84:  goto  87 //[S3]
[S3]:
87:  iconst_m1
88:  istore_3 // accepted int
89:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
90:  invokevirtual 41 // read ()I
93:  istore_2 // cc int
94:  iload_2 // cc int
95:  iflt 200 //[eof]
98:  iload_2 // cc int
99:  iconst_0
100:  if_icmplt 112 //[S3-0x0-)>S3]
103:  iload_2 // cc int
104:  bipush 42
106:  if_icmpge 112 //[S3-0x0-)>S3]
109:  goto  87 //[S3]
[S3-0x0-)>S3]:
112:  iload_2 // cc int
113:  bipush 42
115:  if_icmpne 121 //[S3-*>S4]
118:  goto  130 //[S4]
[S3-*>S4]:
121:  iload_2 // cc int
122:  bipush 43
124:  if_icmplt 183 //[error]
127:  goto  87 //[S3]
[S4]:
130:  iconst_m1
131:  istore_3 // accepted int
132:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
133:  invokevirtual 41 // read ()I
136:  istore_2 // cc int
137:  iload_2 // cc int
138:  iflt 200 //[eof]
141:  iload_2 // cc int
142:  iconst_0
143:  if_icmplt 155 //[S4-0x0-.>S3]
146:  iload_2 // cc int
147:  bipush 47
149:  if_icmpge 155 //[S4-0x0-.>S3]
152:  goto  87 //[S3]
[S4-0x0-.>S3]:
155:  iload_2 // cc int
156:  bipush 47
158:  if_icmpne 164 //[S4-/>S(5)]
161:  goto  173 //[S(5)]
[S4-/>S(5)]:
164:  iload_2 // cc int
165:  bipush 48 //'0'
167:  if_icmplt 183 //[error]
170:  goto  87 //[S3]
[S(5)]:
173:  iconst_1
174:  istore_3 // accepted int
175:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
176:  iconst_2
177:  invokevirtual 45 // rewind (I)V
180:  goto  198 //[exit]
[error]:
183:  iload_3 // accepted int
184:  iconst_m1
185:  if_icmpne 190 //[pushback]
188:  iload_3 // accepted int
189:  ireturn
[pushback]:
190:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
191:  iload_2 // cc int
192:  invokevirtual 48 // unread (I)V
195:  goto  198 //[exit]
[exit]:
198:  iload_3 // accepted int
199:  ireturn
[eof]:
200:  iload_3 // accepted int
201:  iconst_m1
202:  if_icmpne 207 //[eofacc]
205:  iconst_0
206:  ireturn
[eofacc]:
207:  iload_3 // accepted int
208:  ireturn
protected int find
(
  org.vesalainen.lpg.util.InputReader
)
[start]:
0:  iconst_m1
1:  istore_2 // cc int
2:  iconst_m1
3:  istore_3 // accepted int
[S0]:
4:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
5:  invokevirtual 41 // read ()I
8:  istore_2 // cc int
9:  iload_2 // cc int
10:  iflt 254 //[eof]
13:  iload_2 // cc int
14:  bipush 47
16:  if_icmpeq 22 //[S0-/>S1]
19:  goto  233 //[error]
[S0-/>S1]:
22:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
23:  iconst_1
24:  invokevirtual 58 // setAcceptStart (I)V
27:  goto  30 //[S1]
[S1]:
30:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
31:  invokevirtual 41 // read ()I
34:  istore_2 // cc int
35:  iload_2 // cc int
36:  iflt 254 //[eof]
39:  iload_2 // cc int
40:  bipush 42
42:  if_icmpeq 48 //[S1-*>S2]
45:  goto  233 //[error]
[S1-*>S2]:
48:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
49:  iconst_0
50:  invokevirtual 58 // setAcceptStart (I)V
53:  goto  56 //[S2]
[S2]:
56:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
57:  invokevirtual 41 // read ()I
60:  istore_2 // cc int
61:  iload_2 // cc int
62:  iflt 254 //[eof]
65:  iload_2 // cc int
66:  iconst_0
67:  if_icmplt 84 //[S2-0x0-)>S3]
70:  iload_2 // cc int
71:  bipush 42
73:  if_icmpge 84 //[S2-0x0-)>S3]
76:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
77:  iconst_0
78:  invokevirtual 58 // setAcceptStart (I)V
81:  goto  112 //[S3]
[S2-0x0-)>S3]:
84:  iload_2 // cc int
85:  bipush 42
87:  if_icmpne 98 //[S2-*>S4]
90:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
91:  iconst_0
92:  invokevirtual 58 // setAcceptStart (I)V
95:  goto  168 //[S4]
[S2-*>S4]:
98:  iload_2 // cc int
99:  bipush 43
101:  if_icmplt 233 //[error]
104:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
105:  iconst_0
106:  invokevirtual 58 // setAcceptStart (I)V
109:  goto  112 //[S3]
[S3]:
112:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
113:  invokevirtual 41 // read ()I
116:  istore_2 // cc int
117:  iload_2 // cc int
118:  iflt 254 //[eof]
121:  iload_2 // cc int
122:  iconst_0
123:  if_icmplt 140 //[S3-0x0-)>S3]
126:  iload_2 // cc int
127:  bipush 42
129:  if_icmpge 140 //[S3-0x0-)>S3]
132:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
133:  iconst_0
134:  invokevirtual 58 // setAcceptStart (I)V
137:  goto  112 //[S3]
[S3-0x0-)>S3]:
140:  iload_2 // cc int
141:  bipush 42
143:  if_icmpne 154 //[S3-*>S4]
146:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
147:  iconst_0
148:  invokevirtual 58 // setAcceptStart (I)V
151:  goto  168 //[S4]
[S3-*>S4]:
154:  iload_2 // cc int
155:  bipush 43
157:  if_icmplt 233 //[error]
160:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
161:  iconst_0
162:  invokevirtual 58 // setAcceptStart (I)V
165:  goto  112 //[S3]
[S4]:
168:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
169:  invokevirtual 41 // read ()I
172:  istore_2 // cc int
173:  iload_2 // cc int
174:  iflt 254 //[eof]
177:  iload_2 // cc int
178:  iconst_0
179:  if_icmplt 196 //[S4-0x0-.>S3]
182:  iload_2 // cc int
183:  bipush 47
185:  if_icmpge 196 //[S4-0x0-.>S3]
188:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
189:  iconst_1
190:  invokevirtual 58 // setAcceptStart (I)V
193:  goto  112 //[S3]
[S4-0x0-.>S3]:
196:  iload_2 // cc int
197:  bipush 47
199:  if_icmpne 210 //[S4-/>S(5)]
202:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
203:  iconst_1
204:  invokevirtual 58 // setAcceptStart (I)V
207:  goto  224 //[S(5)]
[S4-/>S(5)]:
210:  iload_2 // cc int
211:  bipush 48 //'0'
213:  if_icmplt 233 //[error]
216:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
217:  iconst_1
218:  invokevirtual 58 // setAcceptStart (I)V
221:  goto  112 //[S3]
[S(5)]:
224:  iconst_1
225:  istore_3 // accepted int
226:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
227:  invokevirtual 61 // findAccept ()V
230:  goto  252 //[exit]
[error]:
233:  iload_3 // accepted int
234:  iconst_m1
235:  if_icmpne 245 //[pushback]
238:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
239:  invokevirtual 64 // findRecover ()V
242:  goto  0 //[start]
[pushback]:
245:  aload_1 // reader class org.vesalainen.lpg.util.InputReader
246:  invokevirtual 67 // findPushback ()V
249:  goto  252 //[exit]
[exit]:
252:  iload_3 // accepted int
253:  ireturn
[eof]:
254:  iload_3 // accepted int
255:  iconst_m1
256:  if_icmpne 261 //[eofacc]
259:  iconst_0
260:  ireturn
[eofacc]:
261:  iload_3 // accepted int
262:  ireturn