author | wenzelm |
Fri, 04 Jan 2019 21:49:06 +0100 | |
changeset 69592 | a80d8ec6c998 |
parent 69490 | ce85542368b9 |
child 69891 | def3ec9cdb7e |
permissions | -rw-r--r-- |
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(* Title: Pure/General/symbol.ML |
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Author: Makarius |
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Isabelle text symbols. |
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*) |
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|
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signature SYMBOL = |
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sig |
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type symbol = string |
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val explode: string -> symbol list |
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val spaces: int -> string |
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val STX: symbol |
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val DEL: symbol |
|
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val open_: symbol |
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val close: symbol |
|
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val space: symbol |
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val is_space: symbol -> bool |
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val comment: symbol |
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val cancel: symbol |
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val latex: symbol |
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val is_char: symbol -> bool |
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val is_utf8: symbol -> bool |
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val is_symbolic: symbol -> bool |
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val is_symbolic_char: symbol -> bool |
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val is_printable: symbol -> bool |
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val control_prefix: string |
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val control_suffix: string |
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val is_control: symbol -> bool |
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val eof: symbol |
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val is_eof: symbol -> bool |
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val not_eof: symbol -> bool |
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val stopper: symbol Scan.stopper |
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val is_malformed: symbol -> bool |
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val malformed_msg: symbol -> string |
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val is_ascii: symbol -> bool |
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val is_ascii_letter: symbol -> bool |
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val is_ascii_digit: symbol -> bool |
|
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val is_ascii_hex: symbol -> bool |
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val is_ascii_quasi: symbol -> bool |
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val is_ascii_blank: symbol -> bool |
|
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val is_ascii_line_terminator: symbol -> bool |
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val is_ascii_control: symbol -> bool |
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val is_ascii_letdig: symbol -> bool |
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val is_ascii_lower: symbol -> bool |
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val is_ascii_upper: symbol -> bool |
|
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val to_ascii_lower: symbol -> symbol |
|
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val to_ascii_upper: symbol -> symbol |
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val is_ascii_identifier: string -> bool |
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val scan_ascii_id: string list -> string * string list |
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datatype sym = |
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Char of string | UTF8 of string | Sym of string | Control of string | Malformed of string | EOF |
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val decode: symbol -> sym |
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val encode: sym -> symbol |
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datatype kind = Letter | Digit | Quasi | Blank | Other |
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val kind: symbol -> kind |
|
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val is_letter: symbol -> bool |
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val is_digit: symbol -> bool |
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val is_quasi: symbol -> bool |
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val is_blank: symbol -> bool |
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val is_block_ctrl: symbol -> bool |
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val is_quasi_letter: symbol -> bool |
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val is_letdig: symbol -> bool |
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val beginning: int -> symbol list -> string |
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val esc: symbol -> string |
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val escape: string -> string |
|
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val scanner: string -> (string list -> 'a * string list) -> symbol list -> 'a |
|
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val split_words: symbol list -> string list |
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val explode_words: string -> string list |
|
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val trim_blanks: string -> string |
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val bump_init: string -> string |
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val bump_string: string -> string |
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val sub: symbol |
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val sup: symbol |
|
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val bold: symbol |
|
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val make_sub: string -> string |
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val make_sup: string -> string |
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val make_bold: string -> string |
|
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val length: symbol list -> int |
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val output: string -> Output.output * int |
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end; |
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|
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structure Symbol: SYMBOL = |
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struct |
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(** type symbol **) |
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(*Symbols, which are considered the smallest entities of any Isabelle |
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string, may be of the following form: |
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|
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(1) ASCII: a |
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(2) UTF-8: ä |
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(2) regular symbols: \<ident> |
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(3) control symbols: \<^ident> |
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Output is subject to the print_mode variable (default: verbatim), |
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actual interpretation in display is up to front-end tools. |
|
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*) |
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||
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type symbol = string; |
|
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||
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val STX = chr 2; |
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val DEL = chr 127; |
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val open_ = "\<open>"; |
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val close = "\<close>"; |
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val space = chr 32; |
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fun is_space s = s = space; |
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|
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local |
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val small_spaces = Vector.tabulate (65, fn i => replicate_string i space); |
|
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in |
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fun spaces n = |
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if n < 64 then Vector.sub (small_spaces, n) |
|
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else |
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replicate_string (n div 64) (Vector.sub (small_spaces, 64)) ^ |
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Vector.sub (small_spaces, n mod 64); |
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end; |
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||
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val comment = "\<comment>"; |
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val cancel = "\<^cancel>"; |
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val latex = "\<^latex>"; |
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|
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fun is_char s = size s = 1; |
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||
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fun is_utf8 s = size s > 0 andalso forall_string (fn c => ord c >= 128) s; |
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fun raw_symbolic s = |
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String.isPrefix "\092<" s andalso String.isSuffix ">" s andalso not (String.isPrefix "\092<^" s); |
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fun is_symbolic s = |
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s <> open_ andalso s <> close andalso raw_symbolic s; |
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val is_symbolic_char = member (op =) (raw_explode "!#$%&*+-/<=>?@^_|~"); |
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fun is_printable s = |
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if is_char s then 32 <= ord s andalso ord s <= Char.ord #"~" |
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else is_utf8 s orelse raw_symbolic s; |
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val control_prefix = "\092<^"; |
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val control_suffix = ">"; |
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fun is_control s = |
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String.isPrefix control_prefix s andalso String.isSuffix control_suffix s; |
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|
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(* input source control *) |
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|
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val eof = ""; |
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fun is_eof s = s = eof; |
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fun not_eof s = s <> eof; |
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val stopper = Scan.stopper (K eof) is_eof; |
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fun is_malformed s = |
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String.isPrefix "\092<" s andalso not (String.isSuffix ">" s) |
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orelse s = "\092<>" orelse s = "\092<^>"; |
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|
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fun malformed_msg s = "Malformed symbolic character: " ^ quote s; |
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||
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(* ASCII symbols *) |
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|
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fun is_ascii s = is_char s andalso ord s < 128; |
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||
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fun is_ascii_letter s = |
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is_char s andalso |
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(Char.ord #"A" <= ord s andalso ord s <= Char.ord #"Z" orelse |
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Char.ord #"a" <= ord s andalso ord s <= Char.ord #"z"); |
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fun is_ascii_digit s = |
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is_char s andalso Char.ord #"0" <= ord s andalso ord s <= Char.ord #"9"; |
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|
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fun is_ascii_hex s = |
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is_char s andalso |
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(Char.ord #"0" <= ord s andalso ord s <= Char.ord #"9" orelse |
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Char.ord #"A" <= ord s andalso ord s <= Char.ord #"F" orelse |
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Char.ord #"a" <= ord s andalso ord s <= Char.ord #"f"); |
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|
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fun is_ascii_quasi "_" = true |
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| is_ascii_quasi "'" = true |
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| is_ascii_quasi _ = false; |
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||
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val is_ascii_blank = |
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fn " " => true | "\t" => true | "\n" => true | "\^K" => true | "\f" => true | "\^M" => true |
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| _ => false; |
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||
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val is_ascii_line_terminator = |
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fn "\r" => true | "\n" => true | _ => false; |
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fun is_ascii_control s = is_char s andalso ord s < 32 andalso not (is_ascii_blank s); |
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|
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fun is_ascii_letdig s = is_ascii_letter s orelse is_ascii_digit s orelse is_ascii_quasi s; |
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||
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fun is_ascii_lower s = is_char s andalso (Char.ord #"a" <= ord s andalso ord s <= Char.ord #"z"); |
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fun is_ascii_upper s = is_char s andalso (Char.ord #"A" <= ord s andalso ord s <= Char.ord #"Z"); |
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|
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fun to_ascii_lower s = if is_ascii_upper s then chr (ord s + Char.ord #"a" - Char.ord #"A") else s; |
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fun to_ascii_upper s = if is_ascii_lower s then chr (ord s + Char.ord #"A" - Char.ord #"a") else s; |
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|
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fun is_ascii_identifier s = |
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size s > 0 andalso is_ascii_letter (String.substring (s, 0, 1)) andalso |
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forall_string is_ascii_letdig s; |
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|
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val scan_ascii_id = Scan.one is_ascii_letter ^^ (Scan.many is_ascii_letdig >> implode); |
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||
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(* diagnostics *) |
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|
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fun beginning n cs = |
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let |
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val drop_blanks = drop_suffix is_ascii_blank; |
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val all_cs = drop_blanks cs; |
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val dots = if length all_cs > n then " ..." else ""; |
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in |
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(drop_blanks (take n all_cs) |
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|> map (fn c => if is_ascii_blank c then space else c) |
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|> implode) ^ dots |
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end; |
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|
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(* symbol variants *) |
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||
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datatype sym = |
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Char of string | UTF8 of string | Sym of string | Control of string | Malformed of string | EOF; |
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|
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fun decode s = |
|
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if s = "" then EOF |
228 |
else if is_char s then Char s |
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else if is_utf8 s then UTF8 s |
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|
230 |
else if is_malformed s then Malformed s |
61475 | 231 |
else if is_control s then Control (String.substring (s, 3, size s - 4)) |
40523
1050315f6ee2
simplified/robustified treatment of malformed symbols, which are now fully internalized (total Symbol.explode etc.);
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|
232 |
else Sym (String.substring (s, 2, size s - 3)); |
14873 | 233 |
|
67373 | 234 |
fun encode (Char s) = s |
235 |
| encode (UTF8 s) = s |
|
236 |
| encode (Sym s) = "\092<" ^ s ^ ">" |
|
237 |
| encode (Control s) = "\092<^" ^ s ^ ">" |
|
238 |
| encode (Malformed s) = s |
|
239 |
| encode EOF = ""; |
|
240 |
||
14873 | 241 |
|
14678 | 242 |
(* standard symbol kinds *) |
243 |
||
14171
0cab06e3bbd0
Extended the notion of letter and digit, such that now one may use greek,
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|
244 |
local |
50235 | 245 |
val letter_symbols = |
246 |
Symtab.make_set [ |
|
62529
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247 |
"\<A>", |
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248 |
"\<B>", |
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249 |
"\<C>", |
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250 |
"\<D>", |
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251 |
"\<E>", |
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252 |
"\<F>", |
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253 |
"\<G>", |
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|
254 |
"\<H>", |
8b7bdfc09f3b
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|
255 |
"\<I>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
256 |
"\<J>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
257 |
"\<K>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
258 |
"\<L>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
259 |
"\<M>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
260 |
"\<N>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
261 |
"\<O>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
262 |
"\<P>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
263 |
"\<Q>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
264 |
"\<R>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
265 |
"\<S>", |
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|
266 |
"\<T>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
267 |
"\<U>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
268 |
"\<V>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
269 |
"\<W>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
270 |
"\<X>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
271 |
"\<Y>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
272 |
"\<Z>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
273 |
"\<a>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
274 |
"\<b>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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|
275 |
"\<c>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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|
276 |
"\<d>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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|
277 |
"\<e>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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|
278 |
"\<f>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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|
279 |
"\<g>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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diff
changeset
|
280 |
"\<h>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
281 |
"\<i>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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diff
changeset
|
282 |
"\<j>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
283 |
"\<k>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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diff
changeset
|
284 |
"\<l>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
285 |
"\<m>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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diff
changeset
|
286 |
"\<n>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
287 |
"\<o>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
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parents:
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diff
changeset
|
288 |
"\<p>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
289 |
"\<q>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
290 |
"\<r>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
291 |
"\<s>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
292 |
"\<t>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
293 |
"\<u>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
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diff
changeset
|
294 |
"\<v>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
295 |
"\<w>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
296 |
"\<x>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
297 |
"\<y>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
298 |
"\<z>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
299 |
"\<AA>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
300 |
"\<BB>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
301 |
"\<CC>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
302 |
"\<DD>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
303 |
"\<EE>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
304 |
"\<FF>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
305 |
"\<GG>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
306 |
"\<HH>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
307 |
"\<II>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
308 |
"\<JJ>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
309 |
"\<KK>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
310 |
"\<LL>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
311 |
"\<MM>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
312 |
"\<NN>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
313 |
"\<OO>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
314 |
"\<PP>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
315 |
"\<QQ>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
316 |
"\<RR>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
317 |
"\<SS>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
318 |
"\<TT>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
319 |
"\<UU>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
320 |
"\<VV>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
321 |
"\<WW>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
322 |
"\<XX>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
323 |
"\<YY>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
324 |
"\<ZZ>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
325 |
"\<aa>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
326 |
"\<bb>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
327 |
"\<cc>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
328 |
"\<dd>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
329 |
"\<ee>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
330 |
"\<ff>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
331 |
"\<gg>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
332 |
"\<hh>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
333 |
"\<ii>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
334 |
"\<jj>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
335 |
"\<kk>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
336 |
"\<ll>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
337 |
"\<mm>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
338 |
"\<nn>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
339 |
"\<oo>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
340 |
"\<pp>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
341 |
"\<qq>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
342 |
"\<rr>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
343 |
"\<ss>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
344 |
"\<tt>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
345 |
"\<uu>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
346 |
"\<vv>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
347 |
"\<ww>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
348 |
"\<xx>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
349 |
"\<yy>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
350 |
"\<zz>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
351 |
"\<alpha>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
352 |
"\<beta>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
353 |
"\<gamma>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
354 |
"\<delta>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
355 |
"\<epsilon>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
356 |
"\<zeta>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
357 |
"\<eta>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
358 |
"\<theta>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
359 |
"\<iota>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
360 |
"\<kappa>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
361 |
(*"\<lambda>", sic!*) |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
362 |
"\<mu>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
363 |
"\<nu>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
364 |
"\<xi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
365 |
"\<pi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
366 |
"\<rho>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
367 |
"\<sigma>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
368 |
"\<tau>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
369 |
"\<upsilon>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
370 |
"\<phi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
371 |
"\<chi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
372 |
"\<psi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
373 |
"\<omega>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
374 |
"\<Gamma>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
375 |
"\<Delta>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
376 |
"\<Theta>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
377 |
"\<Lambda>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
378 |
"\<Xi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
379 |
"\<Pi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
380 |
"\<Sigma>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
381 |
"\<Upsilon>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
382 |
"\<Phi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
383 |
"\<Psi>", |
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
384 |
"\<Omega>" |
50235 | 385 |
]; |
14171
0cab06e3bbd0
Extended the notion of letter and digit, such that now one may use greek,
skalberg
parents:
13730
diff
changeset
|
386 |
in |
50242
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
387 |
|
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
388 |
val is_letter_symbol = Symtab.defined letter_symbols; |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
389 |
|
14678 | 390 |
end; |
14173 | 391 |
|
50242
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
392 |
datatype kind = Letter | Digit | Quasi | Blank | Other; |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
393 |
|
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
394 |
fun kind s = |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
395 |
if is_ascii_letter s then Letter |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
396 |
else if is_ascii_digit s then Digit |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
397 |
else if is_ascii_quasi s then Quasi |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
398 |
else if is_ascii_blank s then Blank |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
399 |
else if is_char s then Other |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
400 |
else if is_letter_symbol s then Letter |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
401 |
else Other; |
56b9c792a98b
support for sub-structured identifier syntax (inactive);
wenzelm
parents:
50239
diff
changeset
|
402 |
|
14678 | 403 |
fun is_letter s = kind s = Letter; |
404 |
fun is_digit s = kind s = Digit; |
|
405 |
fun is_quasi s = kind s = Quasi; |
|
406 |
fun is_blank s = kind s = Blank; |
|
6272 | 407 |
|
62529
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
408 |
val is_block_ctrl = member (op =) ["\<^bsub>", "\<^esub>", "\<^bsup>", "\<^esup>"]; |
47850
c638127b4653
avoid interference of markup for literal tokens, which may contain slightly odd \<^bsub> \<^esub> counted as pseudo-markup (especially relevant for HTML output, e.g. of thm power3_eq_cube);
wenzelm
parents:
43947
diff
changeset
|
409 |
|
14678 | 410 |
fun is_quasi_letter s = let val k = kind s in k = Letter orelse k = Quasi end; |
411 |
fun is_letdig s = let val k = kind s in k = Letter orelse k = Digit orelse k = Quasi end; |
|
11010 | 412 |
|
6272 | 413 |
|
50237 | 414 |
(* escape *) |
415 |
||
416 |
val esc = fn s => |
|
417 |
if is_char s then s |
|
418 |
else if is_utf8 s then translate_string (fn c => "\\" ^ string_of_int (ord c)) s |
|
419 |
else "\\" ^ s; |
|
420 |
||
63936 | 421 |
val escape = implode o map esc o Symbol.explode; |
50237 | 422 |
|
423 |
||
424 |
||
425 |
(** scanning through symbols **) |
|
426 |
||
427 |
(* scanner *) |
|
428 |
||
429 |
fun scanner msg scan syms = |
|
430 |
let |
|
431 |
fun message (ss, NONE) = (fn () => msg ^ ": " ^ quote (beginning 10 ss)) |
|
432 |
| message (ss, SOME msg') = (fn () => msg ^ ", " ^ msg' () ^ ": " ^ quote (beginning 10 ss)); |
|
433 |
val finite_scan = Scan.error (Scan.finite stopper (!! message scan)); |
|
434 |
in |
|
435 |
(case finite_scan syms of |
|
436 |
(result, []) => result |
|
437 |
| (_, rest) => error (message (rest, NONE) ())) |
|
438 |
end; |
|
439 |
||
440 |
||
50162 | 441 |
(* space-separated words *) |
442 |
||
443 |
val scan_word = |
|
444 |
Scan.many1 is_ascii_blank >> K NONE || |
|
445 |
Scan.many1 (fn s => not (is_ascii_blank s) andalso not_eof s) >> (SOME o implode); |
|
446 |
||
447 |
val split_words = scanner "Bad text" (Scan.repeat scan_word >> map_filter I); |
|
448 |
||
63936 | 449 |
val explode_words = split_words o Symbol.explode; |
50162 | 450 |
|
451 |
||
14678 | 452 |
(* blanks *) |
453 |
||
63936 | 454 |
val trim_blanks = Symbol.explode #> trim is_blank #> implode; |
14678 | 455 |
|
456 |
||
457 |
(* bump string -- treat as base 26 or base 1 numbers *) |
|
458 |
||
62529
8b7bdfc09f3b
clarified treatment of fragments of Isabelle symbols during bootstrap;
wenzelm
parents:
62210
diff
changeset
|
459 |
fun symbolic_end (_ :: "\<^sub>" :: _) = true |
53198
06b096cf89ca
ignore trailing primes, e.g. rename \<alpha>' to \<alpha>'' instead of \<alpha>'a;
wenzelm
parents:
53016
diff
changeset
|
460 |
| symbolic_end ("'" :: ss) = symbolic_end ss |
55033 | 461 |
| symbolic_end (s :: _) = raw_symbolic s |
14908 | 462 |
| symbolic_end [] = false; |
14678 | 463 |
|
464 |
fun bump_init str = |
|
63936 | 465 |
if symbolic_end (rev (Symbol.explode str)) then str ^ "'" |
14678 | 466 |
else str ^ "a"; |
12904 | 467 |
|
468 |
fun bump_string str = |
|
469 |
let |
|
470 |
fun bump [] = ["a"] |
|
471 |
| bump ("z" :: ss) = "a" :: bump ss |
|
472 |
| bump (s :: ss) = |
|
64275
ac2abc987cf9
accomodate Poly/ML repository version, which treats singleton strings as boxed;
wenzelm
parents:
63936
diff
changeset
|
473 |
if is_char s andalso Char.ord #"a" <= ord s andalso ord s < Char.ord #"z" |
12904 | 474 |
then chr (ord s + 1) :: ss |
475 |
else "a" :: s :: ss; |
|
14678 | 476 |
|
67522 | 477 |
val (ss, qs) = apfst rev (chop_suffix is_quasi (Symbol.explode str)); |
14908 | 478 |
val ss' = if symbolic_end ss then "'" :: ss else bump ss; |
14678 | 479 |
in implode (rev ss' @ qs) end; |
480 |
||
12904 | 481 |
|
67512 | 482 |
(* styles *) |
483 |
||
484 |
val sub = "\092<^sub>"; |
|
485 |
val sup = "\092<^sup>"; |
|
486 |
val bold = "\092<^bold>"; |
|
487 |
||
488 |
fun make_style sym = |
|
489 |
Symbol.explode #> maps (fn s => [sym, s]) #> implode; |
|
490 |
||
491 |
val make_sub = make_style sub; |
|
492 |
val make_sup = make_style sup; |
|
493 |
val make_bold = make_style bold; |
|
494 |
||
495 |
||
6272 | 496 |
|
29324 | 497 |
(** symbol output **) |
14977
77d88064991a
added escape, export encode_raw, default mode now trivial, tuned;
wenzelm
parents:
14961
diff
changeset
|
498 |
|
29324 | 499 |
(* length *) |
6272 | 500 |
|
14678 | 501 |
fun sym_len s = |
24593
1547ea587f5a
added some int constraints (ML_Parse.fix_ints not active here);
wenzelm
parents:
24580
diff
changeset
|
502 |
if not (is_printable s) then (0: int) |
62877
741560a5283b
avoid malformed Isabelle symbols during bootstrap;
wenzelm
parents:
62804
diff
changeset
|
503 |
else if String.isPrefix "\092<long" s then 2 |
741560a5283b
avoid malformed Isabelle symbols during bootstrap;
wenzelm
parents:
62804
diff
changeset
|
504 |
else if String.isPrefix "\092<Long" s then 2 |
14678 | 505 |
else 1; |
506 |
||
19473 | 507 |
fun sym_length ss = fold (fn s => fn n => sym_len s + n) ss 0; |
14678 | 508 |
|
63936 | 509 |
fun output s = (s, sym_length (Symbol.explode s)); |
29324 | 510 |
|
511 |
||
6116
8ba2f25610f7
files scan.ML, source.ML, symbol.ML, pretty.ML moved to Pure/General;
wenzelm
parents:
diff
changeset
|
512 |
(*final declarations of this structure!*) |
63936 | 513 |
val explode = Symbol.explode; |
6272 | 514 |
val length = sym_length; |
6116
8ba2f25610f7
files scan.ML, source.ML, symbol.ML, pretty.ML moved to Pure/General;
wenzelm
parents:
diff
changeset
|
515 |
|
8ba2f25610f7
files scan.ML, source.ML, symbol.ML, pretty.ML moved to Pure/General;
wenzelm
parents:
diff
changeset
|
516 |
end; |