conatum
19da69b3e8
Working base grammar, visitor, client, context. Good test coverage for grammar constructs.
57 lines
1.4 KiB
Plaintext
57 lines
1.4 KiB
Plaintext
command = "${" component "}"
|
|
|
|
cmdarg = "$" ~r"\d+\*?"
|
|
|
|
|
|
parenthised = ("(" component ")") / ("{" component "}")
|
|
true = "True" / "true"
|
|
false = "False" / "false"
|
|
bool = true / false
|
|
|
|
basicterm = bool / numeric / parenthised / quoted / cmdarg / var
|
|
term = ws* (function / basicterm) ws*
|
|
|
|
var = (parenthised / keyword) ("." keyword)*
|
|
function = var (ws+ basicterm)+
|
|
|
|
type = keyword
|
|
typecast = basicterm "::" type
|
|
|
|
test_eq = term "==" term
|
|
test_neq = term "!=" term
|
|
test_gt = term ">" term
|
|
test_geq = term ">=" term
|
|
test_lt = term "<" term
|
|
test_leq = term "<=" term
|
|
test = (test_eq/test_neq/test_gt/test_geq/test_lt/test_leq)
|
|
|
|
op_or = term ("||" term)+
|
|
op_and = term ("&&" term)+
|
|
op_add = term ("+" term)+
|
|
op_minus = term ("-" term)+
|
|
op_times = term ("*" term)+
|
|
op_exp = term ("**" term)+
|
|
op_divide = term ("/" term)+
|
|
op_div = term ("//" term)+
|
|
op_mod = term ("%" term)+
|
|
binop = (op_or/op_and/op_add/op_minus/op_times/op_exp/op_divide/op_div/op_mod)
|
|
|
|
|
|
cascade = term ("|" term)+
|
|
|
|
ternary = term "?" term ":" term
|
|
ifthenelse = "if" ws term ws "then" ws term (ws "elif" ws term ws "then" ws term)* (ws "else" ws term)? "fi"
|
|
|
|
equals = keyword ws* '=' ws* term
|
|
defines = keyword ws* ":=" ws* term
|
|
definesterm = keyword ws* "::=" ws* term
|
|
|
|
component = ws* (cascade / ternary / equals / defines / definesterm / binop / test / term) ws*
|
|
|
|
|
|
word = ~r"[_\w]+"
|
|
keyword = word
|
|
quoted = ~'"[^\"]*"'
|
|
numeric = ~r"[\d]+"
|
|
ws = ~r"\s+"
|