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
|
package org.anarres.cpp;
import java.io.StringReader;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import junit.framework.Test;
import static org.anarres.cpp.Token.*;
public class LexerSourceTestCase extends BaseTestCase implements Test {
private void testLexerSource(String in, int... out)
throws Exception {
System.out.println("Testing '" + in + "' => " +
Arrays.toString(out));
StringLexerSource s = new StringLexerSource(in);
for (int i = 0; i < out.length; i++) {
Token tok = s.token();
System.out.println("Token is " + tok);
assertEquals(out[i], tok.getType());
}
assertEquals(EOF, s.token().getType());
}
public void testLexerSource()
throws Exception {
testLexerSource("int a = 5;",
IDENTIFIER, WHITESPACE, IDENTIFIER, WHITESPACE,
'=', WHITESPACE, INTEGER, ';', EOF
);
// \n is WHITESPACE because ppvalid = false
testLexerSource("# # \r\n\n\r \rfoo",
HASH, WHITESPACE, '#', WHITESPACE, IDENTIFIER
);
testLexerSource("%:%:", PASTE);
testLexerSource("%:?", '#', '?');
testLexerSource("%:%=", '#', MOD_EQ);
testLexerSource("0x1234ffdUL 0765I",
INTEGER, WHITESPACE, INTEGER);
testLexerSource("+= -= *= /= %= <= >= >>= <<= &= |= ^= x",
PLUS_EQ, WHITESPACE,
SUB_EQ, WHITESPACE,
MULT_EQ, WHITESPACE,
DIV_EQ, WHITESPACE,
MOD_EQ, WHITESPACE,
LE, WHITESPACE,
GE, WHITESPACE,
RSH_EQ, WHITESPACE,
LSH_EQ, WHITESPACE,
AND_EQ, WHITESPACE,
OR_EQ, WHITESPACE,
XOR_EQ, WHITESPACE,
IDENTIFIER);
testLexerSource("/**/", CCOMMENT);
testLexerSource("/** ** **/", CCOMMENT);
testLexerSource("//* ** **/", CPPCOMMENT);
testLexerSource("'\\r' '\\xf' '\\xff' 'x' 'aa' ''",
CHARACTER, WHITESPACE,
CHARACTER, WHITESPACE,
CHARACTER, WHITESPACE,
CHARACTER, WHITESPACE,
INVALID, WHITESPACE,
INVALID);
testLexerSource("1i1I1l1L1ui1ul",
INTEGER, INTEGER,
INTEGER, INTEGER,
INTEGER, INTEGER);
}
}
|
