-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathsyntax4
134 lines (99 loc) · 2.2 KB
/
syntax4
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
From shriram@asia.cs.rice.edu Sun Feb 19 16:48:05 1995
Date: Sun, 19 Feb 95 16:48:02 CST
From: shriram@asia.cs.rice.edu (Shriram Krishnamurthi)
To: duba@asia.cs.rice.edu, matthias@asia.cs.rice.edu
Subject: JAM
Debugged.
D := i = E
| i(F) = E
| kind i(F) : i
Ds := epsilon
| D{; D}*
F := epsilon
| i{, i}*
E := C
| i
| i(A)
| i[A]
| P(A)
| if E then E {elseif E then E}* ({else E}| endif)
| let Ds in E
| inorder E{; E}* return E
| set L to E
| (E)
| Uop E
| E Bop E
| [A{; A}*]
A := epsilon
| E{, E}*
L := i
| i[A]
Uop := - | +
Bop := + | - | * | / | ^ | = | <= | >= | =/= | < | >
P := tuple? | tabulate | size(?)
| array? | array | size(?)
| text?
| number? | zero? | positive? | odd? | sqrt | log | sin | cos | tan | atan
| boolean? | and | or | not | xor | nand | nor
? | list? | null? | pair? | cons | list | car | cdr
| function?
| equal?
C := true | false
| Sym
| Num
| empty
Sym := `c*'
c := \Char
| Char \ { \ , ' }
where Num, Sym and Char represent all the syntactic numbers, symbols
and characters, respectively.
From duba@aten.cs.rice.edu Mon Feb 20 13:51:46 1995
Date: Mon, 20 Feb 95 13:51:41 CST
From: duba@aten.cs.rice.edu (Bruce Duba)
To: shriram@aten.cs.rice.edu, matthias@aten.cs.rice.edu
minor mods.
D := i = E
| i(F) = E
| i(F) : i
Ds := epsilon
| D{; D}*
F := epsilon
| i{, i}*
E := C
| i
| i(A)
| i[A]
| P(A)
| if E then E {elseif E then E}* ({else E} | {elsefalse})
| let Ds in E
| inorder A return E
| set L to E
| (E)
| Uop E
| E Bop E
| [A{; A}*]
A := epsilon
| E{, E}*
L := i
| i[A]
Uop := - | +
Bop := + | - | * | / | ^ | = | <= | >= | =/= | < | >
P := tuple? | tabulate | size(?)
| array? | array | size(?)
| symbol?
| number? | zero? | positive? | odd? | sqrt | log | sin | cos | tan | atan
| and | or | not | xor | nand | nor
? | list? | null? | pair? | cons | list | car | cdr
| function?
| equal?
C := true | false
| Sym
| String
| Num
| empty
Sym := `c*'
String := "c*"
c := \Char
| Char \ { \ , ' }
where Num, Sym and Char represent all the syntactic numbers, symbols
and characters, respectively.