-
Notifications
You must be signed in to change notification settings - Fork 0
/
lx.js
152 lines (126 loc) · 3.28 KB
/
lx.js
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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
var Lx=require("../lx")
var tt=require("./tests")
var Tests=tt.Tests,__assert=tt.__assert,__eql=tt.__eql
var dbg,debug=dbg=true
var tt=new Tests()
tt.add("simple lexer", function (){
var L=new Lx()
L.add("a")
//var aa=gg.list("a")
var ls=L.extract("a a a a a o o o o o a a a a a")
debug && console.dir(ls)
for(var i=0,rr=[];i<ls.length;i++){
rr.push(ls.peek(i))}
debug && console.dir(rr)
__assert(__eql(
rr,
[ [ 'Keyword', 'a', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Id', 'o', 0 ],
[ 'Id', 'o', 0 ],
[ 'Id', 'o', 0 ],
[ 'Id', 'o', 0 ],
[ 'Id', 'o', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Keyword', 'a', 0 ],
[ 'Eof', 'eof', 0 ] ]),"very simple lexer")})
tt.add("lexer1",function(){
var L=new Lx()
var ls=L.extract("3+2*6;abc('wer')")
dbg&&console.dir(ls)
for(var i=0,rr=[];i<ls.length;i++){
rr.push(ls.peek(i))}
dbg&&console.dir(rr)
__assert(__eql(
rr,
[ [ 'Number', 3, 0 ],
[ 'Keyword', '+', 0 ],
[ 'Number', 2, 0 ],
[ 'Keyword', '*', 0 ],
[ 'Number', 6, 0 ],
[ 'Keyword', ';', 0 ],
[ 'Id', 'abc', 0 ],
[ 'Keyword', '(', 0 ],
[ 'String', 'wer', 0 ],
[ 'Keyword', ')', 0 ],
[ 'Eof', 'eof', 0 ] ]))})
tt.add("compound keywords",function(){
var L=new Lx()
L.add(["+=","{{","}}"])
var ls=L.extract("{{g+=3+2*6;abc}}('wer')")
for(var i=0,rr=[];i<ls.length;i++){
rr.push(ls.peek(i))}
__assert(__eql(
rr,
[ [ 'Keyword', '{{', 0 ],
[ 'Id', 'g', 0 ],
[ 'Keyword', '+=', 0 ],
[ 'Number', 3, 0 ],
[ 'Keyword', '+', 0 ],
[ 'Number', 2, 0 ],
[ 'Keyword', '*', 0 ],
[ 'Number', 6, 0 ],
[ 'Keyword', ';', 0 ],
[ 'Id', 'abc', 0 ],
[ 'Keyword', '}}', 0 ],
[ 'Keyword', '(', 0 ],
[ 'String', 'wer', 0 ],
[ 'Keyword', ')', 0 ],
[ 'Eof', 'eof', 0 ] ]))})
tt.add("newlines",function(){
var L=new Lx()
L.add(["+=","{{","}}"])
var ls=L.extract("{{g+=3+2*6;abc}}\r\n\n\n('wer')")
dbg&&console.dir(ls)
for(var i=0,rr=[];i<ls.length;i++){
rr.push(ls.peek(i))}
dbg&&console.dir(rr)
__assert(__eql(
rr,
[ [ 'Keyword', '{{', 0 ],
[ 'Id', 'g', 0 ],
[ 'Keyword', '+=', 0 ],
[ 'Number', 3, 0 ],
[ 'Keyword', '+', 0 ],
[ 'Number', 2, 0 ],
[ 'Keyword', '*', 0 ],
[ 'Number', 6, 0 ],
[ 'Keyword', ';', 0 ],
[ 'Id', 'abc', 0 ],
[ 'Keyword', '}}', 0 ],
[ 'Keyword', '(', 3 ],
[ 'String', 'wer', 0 ],
[ 'Keyword', ')', 0 ],
[ 'Eof', 'eof', 0 ] ]))})
tt.add("numbers",function (){
"123"
"-123"
"0x8"
"011"
"12.34e23"
"-3.12e-1"})
tt.add("comments",function(){
"\n\n//oijoioij asdoijfoai//oijoij\n\n2+3"})
tt.add("regexp",function(){})
tt.add("strings",function(){})
tt.add("escape",function(){})
tt.add("unicode",function(){})
tt.add("keyword7",function(){
var L=new Lx()
L.add(["+=","{{","}}"])
var ls=L.extract("{{g+=3+2*6;abc}}('wer')")
__assert(__eql(
ls.keyword7(ls.peek()),
"{{"))
__assert(__eql(
ls.keyword7(ls.peek(),"+","-","*","{{"),
"{{"))
})
tt.run_all(dbg)
module.exports=tt