diff options
Diffstat (limited to 'chomp-macro/tests/nibble_exp.rs')
-rw-r--r-- | chomp-macro/tests/nibble_exp.rs | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/chomp-macro/tests/nibble_exp.rs b/chomp-macro/tests/nibble_exp.rs deleted file mode 100644 index 7e31e6a..0000000 --- a/chomp-macro/tests/nibble_exp.rs +++ /dev/null @@ -1,81 +0,0 @@ -chomp_macro::nibble! { - let opt(x) = _ | x; - let plus(x) = [plus](x . opt(plus)); - let star(x) = [star](opt(x . star)); - - let Pattern_Whitespace = "\n"|" "; - - let XID_Start = - "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" ; - let XID_Continue = - XID_Start | "_" | "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" ; - - let literal_char = XID_Continue; - - let ws = star(Pattern_Whitespace); - let must_ws = plus(Pattern_Whitespace); - - let punctuated(x, p) = [rec](x . opt(p . ws . rec)); - let list(x) = "(" . ws . [rec](x . opt("," . ws . opt(rec))) . ")"; - - let epsilon = "_"; - let ident = XID_Start . star(XID_Continue); - let literal = "\"" . plus(literal_char) . "\""; - let parens(expr) = "(" . ws . expr . ")"; - let fix(expr) = "[" . ws . ident . ws . "]" . ws . parens(expr); - - let term(expr) = - epsilon . ws - | literal . ws - | parens(expr) . ws - | fix(expr) . ws - | ident . ws . opt(list(expr) . ws) - ; - - let cat(expr) = punctuated(term(expr), "."); - let alt(expr) = punctuated(cat(expr), "|"); - let expr = [expr](alt(expr)); - match expr; -} - -#[test] -fn exp_epsilon() { - Ast::parse_str("_").unwrap(); -} - -#[test] -fn exp_literal() { - Ast::parse_str(r#""foo""#).unwrap(); -} - -#[test] -fn exp_cat() { - Ast::parse_str(r#""a" . "b""#).unwrap(); -} - -#[test] -fn exp_alt() { - Ast::parse_str(r#""a" | "b""#).unwrap(); -} - -#[test] -fn exp_ident() { - Ast::parse_str("foo").unwrap(); -} - -#[test] -fn exp_call() { - Ast::parse_str(r#"opt("foo")"#).unwrap(); -} - -#[test] -fn exp_fix() { - Ast::parse_str(r#"[rec](_ | "a" . rec)"#).unwrap(); -} |