diff options
Diffstat (limited to 'autochomp/tests/compare/nibble_exp.nb')
-rw-r--r-- | autochomp/tests/compare/nibble_exp.nb | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/autochomp/tests/compare/nibble_exp.nb b/autochomp/tests/compare/nibble_exp.nb deleted file mode 100644 index 6e6d8b5..0000000 --- a/autochomp/tests/compare/nibble_exp.nb +++ /dev/null @@ -1,44 +0,0 @@ -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;
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