Mercurial > hg > Applications > Grep
annotate c/regexParser/main.cc @ 64:e0ad6c145f89
remove some errors
author | Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp> |
---|---|
date | Thu, 30 Jul 2015 17:30:57 +0900 |
parents | 8fd3d35e9861 |
children | 20b7d4e958bb |
rev | line source |
---|---|
55 | 1 /* |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
2 * <literal> ::= [a-z][A-Z][0-9] |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
3 * <charClass> ::= '['<literal>'-'<literal>']' |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
4 * <string> ::= <literal><literal>* |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
5 * <group> ::= '('<regex>')' |
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
6 * <or> ::= <regex>'|'<regex> |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
7 * <*> ::= <regex>'*' |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
8 * <regex> ::= <string>|<or>|<charClass>|<group>|<*> |
55 | 9 */ |
10 | |
45 | 11 #include <stdio.h> |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
12 #include <stdlib.h> |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
13 #include <string.h> |
57
71b497d25273
fix literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
56
diff
changeset
|
14 |
63 | 15 typedef struct charClass { |
16 unsigned char table[256]; | |
17 struct utf8Range { | |
18 unsigned char *begin; | |
19 unsigned char *end; | |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
20 struct utf8Range *next; |
63 | 21 } *rangeList; |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
22 } CharClass, *CharClassPtr; |
63 | 23 |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
24 typedef struct node { |
63 | 25 unsigned char type; |
26 union value { | |
27 charClass *cc; | |
28 unsigned char *string; | |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
29 }; |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
30 struct node *self; |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
31 struct node *left; |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
32 struct node *right; |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
33 } Node, *NodePtr; |
52
a2826bf4e80a
remove magic number
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
51
diff
changeset
|
34 |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
35 unsigned char *ptr; |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
36 unsigned char tokenType; |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
37 int tokenValue; |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
38 NodePtr regexHeadNode; |
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
39 |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
40 NodePtr charClass(); |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
41 NodePtr string(); |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
42 NodePtr group(); |
63 | 43 NodePtr orexp(); |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
44 NodePtr asterisk(); |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
45 NodePtr regex(); |
57
71b497d25273
fix literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
56
diff
changeset
|
46 NodePtr createNode(char,NodePtr,NodePtr); |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
47 extern void token(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
48 extern NodePtr regexAtom(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
49 |
55 | 50 |
62
a49b4a8b8c14
implement isLiteral
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
61
diff
changeset
|
51 bool isLiteral(char c) { |
63 | 52 if (*ptr > 0x7f) return true; |
53 else if (*ptr == '(') return false; | |
54 else if (*ptr == '[') return false; | |
55 else if (*ptr == '|') return false; | |
56 else if (*ptr == '*') return false; | |
57 return true; | |
62
a49b4a8b8c14
implement isLiteral
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
61
diff
changeset
|
58 } |
a49b4a8b8c14
implement isLiteral
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
61
diff
changeset
|
59 |
60
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
60 void printNodeDate(NodePtr n) { |
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
61 puts("---------------------"); |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
62 // printf("Self Node char : %c\n", n->character); |
60
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
63 printf("Self Node addr : %p\n", n->self); |
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
64 printf("left Node addr : %p\n", n->left); |
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
65 printf("right Node addr : %p\n", n->right); |
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
66 puts("---------------------"); |
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
67 puts(""); |
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
68 } |
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
69 |
57
71b497d25273
fix literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
56
diff
changeset
|
70 NodePtr createNode(char character, NodePtr left, NodePtr right) { |
71b497d25273
fix literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
56
diff
changeset
|
71 NodePtr n = (NodePtr)malloc(sizeof(Node)); |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
72 n->self = n; |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
73 // n->character = character; |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
74 n->left = left; |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
75 n->right = right; |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
76 |
60
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
77 printNodeDate(n); |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
78 return n; |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
79 } |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
80 |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
81 // <charClass> ::= '['<literal>'-'<literal>']' |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
82 NodePtr charClass() { |
62
a49b4a8b8c14
implement isLiteral
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
61
diff
changeset
|
83 ptr++; |
a49b4a8b8c14
implement isLiteral
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
61
diff
changeset
|
84 NodePtr n = (NodePtr)malloc(sizeof(Node)); |
a49b4a8b8c14
implement isLiteral
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
61
diff
changeset
|
85 return n; |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
86 } |
55 | 87 |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
88 // <literal> ::= [a-z][A-Z][0-9] |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
89 NodePtr literal() { |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
90 char c = *ptr; |
57
71b497d25273
fix literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
56
diff
changeset
|
91 NodePtr n = createNode(c,0,0); |
71b497d25273
fix literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
56
diff
changeset
|
92 ptr++; |
71b497d25273
fix literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
56
diff
changeset
|
93 return n; |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
94 } |
55 | 95 |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
96 // <string> ::= <literal><literal>* |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
97 NodePtr string() { |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
98 char c = *ptr; |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
99 NodePtr n = NULL; |
61
67cade0e35b0
impl isLiteral
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
60
diff
changeset
|
100 if (isLiteral(c)) { |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
101 n = createNode(0,literal(),string()); |
55 | 102 } else { |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
103 n = createNode(0,0,0); |
55 | 104 } |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
105 return n; |
55 | 106 } |
107 | |
63 | 108 // <group> ::= '('<regex>')' |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
109 NodePtr group() { |
63 | 110 token(); |
111 NodePtr n = regex(); | |
112 token(); | |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
113 if (*ptr == ')') { |
63 | 114 n = createNode('(',n,0); |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
115 } else { |
63 | 116 // ) reqiured |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
117 } |
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
118 return n; |
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
119 } |
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
120 |
55 | 121 |
63 | 122 void token() { |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
123 while (*ptr != '\0') { |
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
124 if ((*ptr == '(') || (*ptr == ')')) { |
63 | 125 tokenType = *ptr++; |
126 tokenValue = 0; | |
127 return ; | |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
128 } else if (*ptr == '[') { |
63 | 129 tokenType = '['; |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
130 tokenValue = *ptr; |
63 | 131 if (ptr[1] == ']') { |
132 ptr++; | |
133 } | |
134 while (*ptr != ']') ptr++; | |
135 ptr++; | |
136 return; | |
58
4053c3e0fa7f
implement group()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
57
diff
changeset
|
137 } else if (*ptr == '|'){ |
63 | 138 tokenType = '|'; |
139 tokenValue = 0; | |
140 return; | |
60
8616a045a7f4
impl asterisk
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
59
diff
changeset
|
141 } else if (*ptr == '*'){ |
63 | 142 tokenType = '*'; |
143 tokenValue = 0; | |
144 return; | |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
145 } |
63 | 146 |
147 tokenType = 'a'; | |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
148 tokenValue = *ptr; |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
149 ptr++; |
63 | 150 |
151 if (*ptr == '\\') ptr++; // need more proccesing | |
152 /* | |
153 \277 | |
154 \0xa5 | |
155 \[ | |
156 \\ | |
157 \utf-8 etc... | |
158 */ | |
159 | |
55 | 160 } |
161 } | |
162 | |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
163 // <regexAtom> ::= <literal>|<charClass>|<group> |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
164 NodePtr regexAtom() { |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
165 |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
166 token(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
167 NodePtr n = NULL; |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
168 if (tokenType == 'a') n = literal(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
169 else if (tokenType == '[') n = charClass(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
170 else if (tokenType == '(') n = group(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
171 |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
172 return n; |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
173 } |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
174 |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
175 // <regex> ::= <regexAtom>|<regexAtom>'*'|<regexAtom>'|'<regex>|<regexAtom><regex> |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
176 NodePtr regex() { |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
177 NodePtr n = regexAtom(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
178 while (*ptr) { |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
179 token(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
180 if (tokenType == '*') { |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
181 n = createNode('*',n,0); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
182 } else if (tokenType == '|') { |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
183 NodePtr n1 = regex(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
184 n = createNode('|',n,n1); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
185 } else { |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
186 NodePtr n1 = regex(); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
187 n = createNode('+',n,n1); |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
188 } |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
189 } |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
190 return n; |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
191 } |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
192 |
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
193 |
62
a49b4a8b8c14
implement isLiteral
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
61
diff
changeset
|
194 int main(int argc, char **argv) |
55 | 195 { |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
196 for (int i = 1; i < argc; i++) { |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
197 if (strcmp(argv[i],"-regex") == 0) { |
64
e0ad6c145f89
remove some errors
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
198 ptr = (unsigned char*)argv[i+1]; i++; |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
199 } |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
200 } |
55 | 201 |
56
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
202 printf("regex : %s\n",ptr); |
8901bc071d33
implement string() and literal()
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
203 NodePtr n = regex(); |
45 | 204 return 0; |
205 } |