blob: 1217751021773f7cf4f9e3fb7a490fff9a181e1d (
plain)
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
|
### Statements
expr_statment : expression ( ";" | "\n" )
### Expressions
expression : logical_or
### Operators
logical_or : logical_and ( "||" logical_and )*
logical_and : equality ( "&&" equality )*
equality : comparison ( ( "==" | "!=" ) comparison )*
comparison : bitwise_or ( ( "<=" | ">=" | "<" | ">" ) bitwise_or )*
bitwise_or : bitwise_xor ( "|" bitwise_xor )*
bitwise_xor : bitwise_and ( "^" bitwise_and )*
bitwise_and : bitwise_shift ( "&" bitwise_shift )*
bitwise_shift : additive ( ( "<<" | ">>" ) additive )*
additive : multiplicative ( ( "+" | "++" | "-" ) multiplicative )*
multiplicative : unary ( ( "*" | "**" | "/" | "%" ) unary )*
unary : ( "!" | "-" | "~" ) unary | call
call : primary ( "(" ( primary "," )* primary? ")" )*
primary : identifier
| literal
| "(" expression ")"
### Types
identifier : ( ALPHA | "_" | "$" ) ( ALPHANUMERIC | "_" | "$" )*
literal : string
| char
| float
| int
| boolean
string : '"' ALPHANUMERIC* '"'
char : "'" ALPHANUMERIC "'"
float : NUMERIC "." NUMERIC*
int : NUMERIC+
boolean : "true" | "false"
### Primitives
ALPHANUMERIC = ALPHA | NUMERIC
NUMERIC = "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"
ALPHA = "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J"
| "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" | "S" | "T"
| "U" | "V" | "W" | "X" | "Y" | "Z" | "a" | "b" | "c" | "d"
| "e" | "f" | "g" | "h" | "i" | "j" | "k" | "l" | "m" | "n"
| "o" | "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x"
| "y" | "z"
|
