marauders 0.0.13

A tool for hand-crafted mutation analysis and management
Documentation 
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

WHITESPACE = _{ " " | "\t" | "\n" | "\r" }
COMMENT = { "#|" ~ (!"|#" ~ ANY)* ~ "|#" }

code = _{ expression+ }

expression = {
    ("(" ~ (define | lambda | ite | mutate | call | begin | apply) ~ ")")
  | number
  | boolean
  | symbol
  | string
}

define   = { "define" ~ symbol ~ expression }
lambda   = { "lambda" ~ "(" ~ symbol* ~ ")" ~ expression }
ite      = { "if" ~ expression ~ expression ~ expression }
call     = { identifier ~ expression* }
apply    = { expression+ }
begin    = { "begin" ~ expression+ }
mutate   = { "mutate" ~ string? ~ mutation+ }
mutation = { "(" ~ string ~ expression ~ ")" }

symbol =  { identifier }
number = @{ DECIMAL_NUMBER+ }
boolean = { "#t" | "#f" }
string = @{ "\"" ~ (!"\"" ~ ANY)* ~ "\"" }

identifier = @{ (ASCII_ALPHA | "_" | "+" | "-" | "&" | "^" | "*") ~ (ASCII_ALPHA | ASCII_DIGIT | "_" | "+" | "-" | "&" | "^")* }

program = { SOI ~ code ~ EOI }