开发环境 Microsoft .NET Framework版本 2.0.50727
Microsoft Visual Studio 2005版本 8.0.50727.4
Microsoft Visual C++ 2005版本77983-009-0000007-41481
Microsoft Visual Studio 2005版本 8.0.50727.4
Microsoft Visual C++ 2005版本77983-009-0000007-41481
1
/********************************* scanner.h *********************************/
2![](/Images/OutliningIndicators/None.gif)
3
#ifndef SCANNER_H
4
#pragma warning (disable:4996) // 屏蔽4996警告
5
#pragma warning (disable:4313) // 屏蔽4313警告
6![](/Images/OutliningIndicators/None.gif)
7
#define SCANNER_H
8![](/Images/OutliningIndicators/None.gif)
9
#include <string.h>
10
#include <stdio.h>
11
#include <stdlib.h>
12
#include <ctype.h>
13
#include <stdarg.h>
14
#include <math.h>
15![](/Images/OutliningIndicators/None.gif)
16
enum Token_Type /* 记号种类 */
17
{
18
ORIGIN, SCALE, ROT, IS, TO, STEP, DRAW, FOR, FROM, // 保留字
19
T, // 参数
20
SEMICO, L_BRACKET, R_BRACKET, COMMA, // 分隔符号
21
PLUS, MINUS, MUL, DIV, POWER, // 运算符
22
FUNC, // 函数
23
CONST_ID, // 常数
24
NONTOKEN, // 空记号
25
ERRTOKEN // 出错记号
26
};
27![](/Images/OutliningIndicators/None.gif)
28
typedef double (*MathFuncPtr)(double); /* 函数指针类型 */
29![](/Images/OutliningIndicators/None.gif)
30
struct Token /* 记号与符号表结构 */
31
{
32
Token_Type type; // 记号的类别
33
char *lexeme; // 构成记号的字符串
34
double value; // 若为常数,则是常数的值
35
MathFuncPtr FuncPtr; // 若为函数,则是函数的指针
36
};
37![](/Images/OutliningIndicators/None.gif)
38
static Token TokenTab[] = { /* 符号表内容 */
39
{CONST_ID, "PI", 3.1415926, 0 },
40
{CONST_ID, "E", 2.71828, 0 },
41
{T, "T", 0.0, 0 },
42
{FUNC, "SIN", 0.0, sin },
43
{FUNC, "COS", 0.0, cos },
44
{FUNC, "TAN", 0.0, tan },
45
{FUNC, "LN", 0.0, log },
46
{FUNC, "EXP", 0.0, exp },
47
{FUNC, "SQRT", 0.0, sqrt},
48
{ORIGIN, "ORIGIN", 0.0, 0 },
49
{SCALE, "SCALE", 0.0, 0 },
50
{ROT, "ROT", 0.0, 0 },
51
{IS, "IS", 0.0, 0 },
52
{FOR, "FOR", 0.0, 0 },
53
{FROM, "FROM", 0.0, 0 },
54
{TO, "TO", 0.0, 0 },
55
{STEP, "STEP", 0.0, 0 },
56
{DRAW, "DRAW", 0.0, 0 }
57
};
58![](/Images/OutliningIndicators/None.gif)
59
extern unsigned int LineNo; /* 跟踪记号所在源文件行号 */
60
extern int InitScanner(const char *); /* 初始化词法分析器 */
61
extern Token GetToken(); /* 获取记号 */
62
extern void CloseScanner(); /* 关闭词法分析器 */
63![](/Images/OutliningIndicators/None.gif)
64
#endif
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
2
![](/Images/OutliningIndicators/None.gif)
3
![](/Images/OutliningIndicators/None.gif)
4
![](/Images/OutliningIndicators/None.gif)
5
![](/Images/OutliningIndicators/None.gif)
6
![](/Images/OutliningIndicators/None.gif)
7
![](/Images/OutliningIndicators/None.gif)
8
![](/Images/OutliningIndicators/None.gif)
9
![](/Images/OutliningIndicators/None.gif)
10
![](/Images/OutliningIndicators/None.gif)
11
![](/Images/OutliningIndicators/None.gif)
12
![](/Images/OutliningIndicators/None.gif)
13
![](/Images/OutliningIndicators/None.gif)
14
![](/Images/OutliningIndicators/None.gif)
15
![](/Images/OutliningIndicators/None.gif)
16
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
17
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
18
![](/Images/OutliningIndicators/InBlock.gif)
19
![](/Images/OutliningIndicators/InBlock.gif)
20
![](/Images/OutliningIndicators/InBlock.gif)
21
![](/Images/OutliningIndicators/InBlock.gif)
22
![](/Images/OutliningIndicators/InBlock.gif)
23
![](/Images/OutliningIndicators/InBlock.gif)
24
![](/Images/OutliningIndicators/InBlock.gif)
25
![](/Images/OutliningIndicators/InBlock.gif)
26
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
27
![](/Images/OutliningIndicators/None.gif)
28
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
29
![](/Images/OutliningIndicators/None.gif)
30
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
31
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
32
![](/Images/OutliningIndicators/InBlock.gif)
33
![](/Images/OutliningIndicators/InBlock.gif)
34
![](/Images/OutliningIndicators/InBlock.gif)
35
![](/Images/OutliningIndicators/InBlock.gif)
36
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
37
![](/Images/OutliningIndicators/None.gif)
38
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
39
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
40
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
41
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
42
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
43
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
44
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
45
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
46
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
47
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
48
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
49
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
50
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
51
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
52
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
53
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
54
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
55
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
56
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
57
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
58
![](/Images/OutliningIndicators/None.gif)
59
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
60
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
61
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
62
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
63
![](/Images/OutliningIndicators/None.gif)
64
![](/Images/OutliningIndicators/None.gif)
1
/********************************* scanner.cpp *********************************/
2![](/Images/OutliningIndicators/None.gif)
3
#include "scanner.h"
4![](/Images/OutliningIndicators/None.gif)
5
#define TOKEN_LEN 100 // 记号最大长度
6![](/Images/OutliningIndicators/None.gif)
7
unsigned int LineNo; // 跟踪源文件行号
8
static FILE *InFile; // 输入文件流
9
static char TokenBuffer[TOKEN_LEN]; // 记号字符缓冲
10![](/Images/OutliningIndicators/None.gif)
11
/* 初始化词法分析器 */
12
extern int InitScanner(const char *FileName)
13
{
14
LineNo = 1;
15
InFile = fopen(FileName, "r");
16
return ((InFile != 0) ? 1 : 0);
17
}
18![](/Images/OutliningIndicators/None.gif)
19
/* 关闭词法分析器 */
20
extern void CloseScanner()
21
{
22
if(InFile != 0) fclose(InFile);
23
}
24![](/Images/OutliningIndicators/None.gif)
25
/* 从输入源程序读入一个字符 */
26
static char GetChar()
27
{
28
int Char = getc(InFile);
29
return toupper(Char);
30
}
31![](/Images/OutliningIndicators/None.gif)
32
/* 把预读的字符退回到输入源程序中 */
33
static void BackChar(char Char)
34
{
35
if(Char != EOF) ungetc(Char, InFile);
36
}
37![](/Images/OutliningIndicators/None.gif)
38
/* 加入字符到记号缓冲区 */
39
static void AddCharTokenString(char Char)
40
{
41
int TokenLength = (int)strlen(TokenBuffer);
42
if(TokenLength + 1 >= sizeof(TokenBuffer)) return;
43
TokenBuffer[TokenLength] = Char;
44
TokenBuffer[TokenLength + 1] = '\0';
45
}
46![](/Images/OutliningIndicators/None.gif)
47
/* 清空记号缓冲区 */
48
static void EmptyTokenString()
49
{
50
memset(TokenBuffer, 0, TOKEN_LEN);
51
}
52![](/Images/OutliningIndicators/None.gif)
53
/* 判断所给的字符串是否在符号表中 */
54
static Token JudgeKeyToken(const char *IDString)
55
{
56
for(int loop = 0; loop < sizeof(TokenTab) / sizeof(sizeof(TokenTab[0])) / 6; ++loop)
57
/* 注意:需要"
/ 6",否则 TokenTab 中的元素个数扩大了 6 倍 */
58
{
59
if(strcmp(TokenTab[loop].lexeme, IDString) == 0) return TokenTab[loop];
60
}
61
Token errortoken;
62
memset(&errortoken, 0, sizeof(Token));
63
errortoken.type = ERRTOKEN;
64
return errortoken;
65
}
66![](/Images/OutliningIndicators/None.gif)
67
/* 获取一个记号 */
68
extern Token GetToken()
69
{
70
Token token;
71
int Char;
72![](/Images/OutliningIndicators/InBlock.gif)
73
memset(&token, 0, sizeof(Token));
74
EmptyTokenString();
75
token.lexeme = TokenBuffer;
76
77
for(;;) // 过滤源程序中的空格、TAB、回车等,遇到文件结束符返回空记号
78
{
79
Char = GetChar();
80
if(Char == EOF)
81
{
82
token.type = NONTOKEN;
83
return token;
84
}
85
if(Char == '\n') LineNo++;
86
if(!isspace(Char)) break;
87
}
88![](/Images/OutliningIndicators/InBlock.gif)
89
AddCharTokenString(Char); // 若不是空格、TAB、回车、文件结束符等,则先加入到记号的字符缓冲区中
90![](/Images/OutliningIndicators/InBlock.gif)
91
if(isalpha(Char)) // 若Char是A-Za-z,则一定是函数、关键字、PI、E等
92
{
93
for(;;)
94
{
95
Char = GetChar();
96
if(isalnum(Char)) AddCharTokenString(Char);
97
else break;
98
}
99
BackChar(Char);
100
token = JudgeKeyToken(TokenBuffer);
101
token.lexeme = TokenBuffer;
102
return token;
103
}
104
else if(isdigit(Char)) // 若是一个数字,则一定是常量
105
{
106
for(;;)
107
{
108
Char = GetChar();
109
if(isdigit(Char)) AddCharTokenString(Char);
110
else break;
111
}
112
if(Char == '.')
113
{
114
AddCharTokenString(Char);
115
for(;;)
116
{
117
Char = GetChar();
118
if(isdigit(Char)) AddCharTokenString(Char);
119
else break;
120
}
121
}
122
BackChar(Char);
123
token.type = CONST_ID;
124
token.value = atof(TokenBuffer);
125
126
return token;
127
}
128
else
129
{
130
switch(Char)
131
{
132
case ';' : token.type = SEMICO; break;
133
case '(' : token.type = L_BRACKET; break;
134
case ')' : token.type = R_BRACKET; break;
135
case ',' : token.type = COMMA; break;
136
case '+' : token.type = PLUS; break;
137
case '-' :
138
Char = GetChar();
139
if(Char == '-')
140
{
141
while(Char != '\n' && Char != EOF) Char = GetChar();
142
BackChar(Char);
143
return GetToken();
144
}
145
else
146
{
147
BackChar(Char);
148
token.type = MINUS;
149
break;
150
}
151
case '/' :
152
Char = GetChar();
153
if(Char == '/')
154
{
155
while(Char != '\n' && Char != EOF) Char = GetChar();
156
BackChar(Char);
157
return GetToken();
158
}
159
else
160
{
161
BackChar(Char);
162
token.type = DIV;
163
break;
164
}
165
case '*' :
166
Char = GetChar();
167
if(Char == '*')
168
{
169
token.type = POWER;
170
AddCharTokenString(Char);
171
break;
172
}
173
else
174
{
175
BackChar(Char);
176
token.type = MUL;
177
break;
178
}
179
default : token.type = ERRTOKEN; break;
180
}
181
}
182
return token;
183
}
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
2
![](/Images/OutliningIndicators/None.gif)
3
![](/Images/OutliningIndicators/None.gif)
4
![](/Images/OutliningIndicators/None.gif)
5
![](/Images/OutliningIndicators/None.gif)
6
![](/Images/OutliningIndicators/None.gif)
7
![](/Images/OutliningIndicators/None.gif)
8
![](/Images/OutliningIndicators/None.gif)
9
![](/Images/OutliningIndicators/None.gif)
10
![](/Images/OutliningIndicators/None.gif)
11
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
12
![](/Images/OutliningIndicators/None.gif)
13
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
14
![](/Images/OutliningIndicators/InBlock.gif)
15
![](/Images/OutliningIndicators/InBlock.gif)
16
![](/Images/OutliningIndicators/InBlock.gif)
17
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
18
![](/Images/OutliningIndicators/None.gif)
19
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
20
![](/Images/OutliningIndicators/None.gif)
21
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
22
![](/Images/OutliningIndicators/InBlock.gif)
23
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
24
![](/Images/OutliningIndicators/None.gif)
25
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
26
![](/Images/OutliningIndicators/None.gif)
27
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
28
![](/Images/OutliningIndicators/InBlock.gif)
29
![](/Images/OutliningIndicators/InBlock.gif)
30
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
31
![](/Images/OutliningIndicators/None.gif)
32
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
33
![](/Images/OutliningIndicators/None.gif)
34
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
35
![](/Images/OutliningIndicators/InBlock.gif)
36
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
37
![](/Images/OutliningIndicators/None.gif)
38
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
39
![](/Images/OutliningIndicators/None.gif)
40
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
41
![](/Images/OutliningIndicators/InBlock.gif)
42
![](/Images/OutliningIndicators/InBlock.gif)
43
![](/Images/OutliningIndicators/InBlock.gif)
44
![](/Images/OutliningIndicators/InBlock.gif)
45
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
46
![](/Images/OutliningIndicators/None.gif)
47
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
48
![](/Images/OutliningIndicators/None.gif)
49
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
50
![](/Images/OutliningIndicators/InBlock.gif)
51
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
52
![](/Images/OutliningIndicators/None.gif)
53
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
54
![](/Images/OutliningIndicators/None.gif)
55
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
56
![](/Images/OutliningIndicators/InBlock.gif)
57
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/dot.gif)
58
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
59
![](/Images/OutliningIndicators/InBlock.gif)
60
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
61
![](/Images/OutliningIndicators/InBlock.gif)
62
![](/Images/OutliningIndicators/InBlock.gif)
63
![](/Images/OutliningIndicators/InBlock.gif)
64
![](/Images/OutliningIndicators/InBlock.gif)
65
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
66
![](/Images/OutliningIndicators/None.gif)
67
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
68
![](/Images/OutliningIndicators/None.gif)
69
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
70
![](/Images/OutliningIndicators/InBlock.gif)
71
![](/Images/OutliningIndicators/InBlock.gif)
72
![](/Images/OutliningIndicators/InBlock.gif)
73
![](/Images/OutliningIndicators/InBlock.gif)
74
![](/Images/OutliningIndicators/InBlock.gif)
75
![](/Images/OutliningIndicators/InBlock.gif)
76
![](/Images/OutliningIndicators/InBlock.gif)
77
![](/Images/OutliningIndicators/InBlock.gif)
78
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
79
![](/Images/OutliningIndicators/InBlock.gif)
80
![](/Images/OutliningIndicators/InBlock.gif)
81
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
82
![](/Images/OutliningIndicators/InBlock.gif)
83
![](/Images/OutliningIndicators/InBlock.gif)
84
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
85
![](/Images/OutliningIndicators/InBlock.gif)
86
![](/Images/OutliningIndicators/InBlock.gif)
87
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
88
![](/Images/OutliningIndicators/InBlock.gif)
89
![](/Images/OutliningIndicators/InBlock.gif)
90
![](/Images/OutliningIndicators/InBlock.gif)
91
![](/Images/OutliningIndicators/InBlock.gif)
92
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
93
![](/Images/OutliningIndicators/InBlock.gif)
94
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
95
![](/Images/OutliningIndicators/InBlock.gif)
96
![](/Images/OutliningIndicators/InBlock.gif)
97
![](/Images/OutliningIndicators/InBlock.gif)
98
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
99
![](/Images/OutliningIndicators/InBlock.gif)
100
![](/Images/OutliningIndicators/InBlock.gif)
101
![](/Images/OutliningIndicators/InBlock.gif)
102
![](/Images/OutliningIndicators/InBlock.gif)
103
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
104
![](/Images/OutliningIndicators/InBlock.gif)
105
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
106
![](/Images/OutliningIndicators/InBlock.gif)
107
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
108
![](/Images/OutliningIndicators/InBlock.gif)
109
![](/Images/OutliningIndicators/InBlock.gif)
110
![](/Images/OutliningIndicators/InBlock.gif)
111
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
112
![](/Images/OutliningIndicators/InBlock.gif)
113
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
114
![](/Images/OutliningIndicators/InBlock.gif)
115
![](/Images/OutliningIndicators/InBlock.gif)
116
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
117
![](/Images/OutliningIndicators/InBlock.gif)
118
![](/Images/OutliningIndicators/InBlock.gif)
119
![](/Images/OutliningIndicators/InBlock.gif)
120
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
121
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
122
![](/Images/OutliningIndicators/InBlock.gif)
123
![](/Images/OutliningIndicators/InBlock.gif)
124
![](/Images/OutliningIndicators/InBlock.gif)
125
![](/Images/OutliningIndicators/InBlock.gif)
126
![](/Images/OutliningIndicators/InBlock.gif)
127
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
128
![](/Images/OutliningIndicators/InBlock.gif)
129
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
130
![](/Images/OutliningIndicators/InBlock.gif)
131
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
132
![](/Images/OutliningIndicators/InBlock.gif)
133
![](/Images/OutliningIndicators/InBlock.gif)
134
![](/Images/OutliningIndicators/InBlock.gif)
135
![](/Images/OutliningIndicators/InBlock.gif)
136
![](/Images/OutliningIndicators/InBlock.gif)
137
![](/Images/OutliningIndicators/InBlock.gif)
138
![](/Images/OutliningIndicators/InBlock.gif)
139
![](/Images/OutliningIndicators/InBlock.gif)
140
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
141
![](/Images/OutliningIndicators/InBlock.gif)
142
![](/Images/OutliningIndicators/InBlock.gif)
143
![](/Images/OutliningIndicators/InBlock.gif)
144
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
145
![](/Images/OutliningIndicators/InBlock.gif)
146
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
147
![](/Images/OutliningIndicators/InBlock.gif)
148
![](/Images/OutliningIndicators/InBlock.gif)
149
![](/Images/OutliningIndicators/InBlock.gif)
150
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
151
![](/Images/OutliningIndicators/InBlock.gif)
152
![](/Images/OutliningIndicators/InBlock.gif)
153
![](/Images/OutliningIndicators/InBlock.gif)
154
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
155
![](/Images/OutliningIndicators/InBlock.gif)
156
![](/Images/OutliningIndicators/InBlock.gif)
157
![](/Images/OutliningIndicators/InBlock.gif)
158
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
159
![](/Images/OutliningIndicators/InBlock.gif)
160
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
161
![](/Images/OutliningIndicators/InBlock.gif)
162
![](/Images/OutliningIndicators/InBlock.gif)
163
![](/Images/OutliningIndicators/InBlock.gif)
164
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
165
![](/Images/OutliningIndicators/InBlock.gif)
166
![](/Images/OutliningIndicators/InBlock.gif)
167
![](/Images/OutliningIndicators/InBlock.gif)
168
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
169
![](/Images/OutliningIndicators/InBlock.gif)
170
![](/Images/OutliningIndicators/InBlock.gif)
171
![](/Images/OutliningIndicators/InBlock.gif)
172
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
173
![](/Images/OutliningIndicators/InBlock.gif)
174
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
175
![](/Images/OutliningIndicators/InBlock.gif)
176
![](/Images/OutliningIndicators/InBlock.gif)
177
![](/Images/OutliningIndicators/InBlock.gif)
178
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
179
![](/Images/OutliningIndicators/InBlock.gif)
180
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
181
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
182
![](/Images/OutliningIndicators/InBlock.gif)
183
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
1
/********************************* scannermain.cpp *********************************/
2![](/Images/OutliningIndicators/None.gif)
3
#include "scanner.h"
4![](/Images/OutliningIndicators/None.gif)
5
int main(int argc, char *argv[])
6
{
7
Token token;
8
if(!InitScanner("test.txt"))
9
{
10
printf("Open Source File Error !\n");
11
return -1;
12
}
13
printf("记号类别 字符串 常数值 函数指针\n");
14
printf("________________________________________________\n");
15
while(1)
16
{
17
token = GetToken();
18
if(token.type != NONTOKEN)
19
printf("%4d, %12s, %12f, %12x\n", token.type, token.lexeme, token.value, token.FuncPtr);
20
else break;
21
};
22
printf("________________________________________________\n");
23
CloseScanner();
24
return 0;
25
}
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
2
![](/Images/OutliningIndicators/None.gif)
3
![](/Images/OutliningIndicators/None.gif)
4
![](/Images/OutliningIndicators/None.gif)
5
![](/Images/OutliningIndicators/None.gif)
6
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
7
![](/Images/OutliningIndicators/InBlock.gif)
8
![](/Images/OutliningIndicators/InBlock.gif)
9
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
10
![](/Images/OutliningIndicators/InBlock.gif)
11
![](/Images/OutliningIndicators/InBlock.gif)
12
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
13
![](/Images/OutliningIndicators/InBlock.gif)
14
![](/Images/OutliningIndicators/InBlock.gif)
15
![](/Images/OutliningIndicators/InBlock.gif)
16
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
17
![](/Images/OutliningIndicators/InBlock.gif)
18
![](/Images/OutliningIndicators/InBlock.gif)
19
![](/Images/OutliningIndicators/InBlock.gif)
20
![](/Images/OutliningIndicators/InBlock.gif)
21
![](/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
22
![](/Images/OutliningIndicators/InBlock.gif)
23
![](/Images/OutliningIndicators/InBlock.gif)
24
![](/Images/OutliningIndicators/InBlock.gif)
25
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)