src/Pure/Thy/latex.ML
author schirmer
Mon Jan 26 10:34:02 2004 +0100 (2004-01-26)
changeset 14361 ad2f5da643b4
parent 11860 36ba0d4a836c
child 14364 fc62df0bf353
permissions -rw-r--r--
* Support for raw latex output in control symbols: \<^raw...>
* Symbols may only start with one backslash: \<...>. \\<...> is no longer
accepted by the scanner.
- Adapted some Isar-theories to fit to this policy
     1 (*  Title:      Pure/Thy/latex.ML
     2     ID:         $Id$
     3     Author:     Markus Wenzel, TU Muenchen
     4     License:    GPL (GNU GENERAL PUBLIC LICENSE)
     5 
     6 LaTeX presentation primitives (based on outer lexical syntax).
     7 *)
     8 
     9 signature LATEX =
    10 sig
    11   val output_symbols: Symbol.symbol list -> string
    12   datatype token = Basic of OuterLex.token | Markup of string | MarkupEnv of string | Verbatim
    13   val output_tokens: (token * string) list -> string
    14   val flag_markup: bool -> string
    15   val tex_trailer: string
    16   val isabelle_file: string -> string -> string
    17   val old_symbol_source: string -> Symbol.symbol list -> string
    18   val theory_entry: string -> string
    19   val modes: string list
    20   val setup: (theory -> theory) list
    21 end;
    22 
    23 structure Latex: LATEX =
    24 struct
    25 
    26 
    27 (* symbol output *)
    28 
    29 local
    30 
    31 val output_chr = fn
    32   " " => "\\ " |
    33   "\n" => "\\isanewline\n" |
    34   "!" => "{\\isacharbang}" |
    35   "\"" => "{\\isachardoublequote}" |
    36   "#" => "{\\isacharhash}" |
    37   "$" => "{\\isachardollar}" |
    38   "%" => "{\\isacharpercent}" |
    39   "&" => "{\\isacharampersand}" |
    40   "'" => "{\\isacharprime}" |
    41   "(" => "{\\isacharparenleft}" |
    42   ")" => "{\\isacharparenright}" |
    43   "*" => "{\\isacharasterisk}" |
    44   "+" => "{\\isacharplus}" |
    45   "," => "{\\isacharcomma}" |
    46   "-" => "{\\isacharminus}" |
    47   "." => "{\\isachardot}" |
    48   "/" => "{\\isacharslash}" |
    49   ":" => "{\\isacharcolon}" |
    50   ";" => "{\\isacharsemicolon}" |
    51   "<" => "{\\isacharless}" |
    52   "=" => "{\\isacharequal}" |
    53   ">" => "{\\isachargreater}" |
    54   "?" => "{\\isacharquery}" |
    55   "@" => "{\\isacharat}" |
    56   "[" => "{\\isacharbrackleft}" |
    57   "\\" => "{\\isacharbackslash}" |
    58   "]" => "{\\isacharbrackright}" |
    59   "^" => "{\\isacharcircum}" |
    60   "_" => "{\\isacharunderscore}" |
    61   "`" => "{\\isacharbackquote}" |
    62   "{" => "{\\isacharbraceleft}" |
    63   "|" => "{\\isacharbar}" |
    64   "}" => "{\\isacharbraceright}" |
    65   "~" => "{\\isachartilde}" |
    66   c => if Symbol.is_digit c then enclose "{\\isadigit{" "}}" c else c;
    67 
    68 fun output_sym s =
    69   if size s = 1 then output_chr s
    70   else
    71     (case explode s of
    72       "\\" :: "<" :: "^" :: "r"::"a"::"w":: cs => implode (#1 (Library.split_last cs)) ^ " "
    73     | "\\" :: "<" :: "^" :: cs => "\\isactrl" ^ implode (#1 (Library.split_last cs)) ^ " "
    74     | "\\" :: "<" :: cs => "{\\isasym" ^ implode (#1 (Library.split_last cs)) ^ "}"
    75     | _ => sys_error "output_sym");
    76 
    77 in
    78 
    79 val output_symbols = implode o map output_sym;
    80 val output_syms = output_symbols o Symbol.explode;
    81 
    82 end;
    83 
    84 
    85 (* token output *)
    86 
    87 structure T = OuterLex;
    88 
    89 datatype token =
    90   Basic of T.token |
    91   Markup of string |
    92   MarkupEnv of string |
    93   Verbatim;
    94 
    95 
    96 val invisible_token = T.keyword_with (equal ";") orf T.is_kind T.Comment;
    97 
    98 fun output_tok (Basic tok, _) =
    99       let val s = T.val_of tok in
   100         if invisible_token tok then ""
   101         else if T.is_kind T.Command tok then
   102           "\\isacommand{" ^ output_syms s ^ "}"
   103         else if T.is_kind T.Keyword tok andalso Syntax.is_identifier s then
   104           "\\isakeyword{" ^ output_syms s ^ "}"
   105         else if T.is_kind T.String tok then output_syms (quote s)
   106         else if T.is_kind T.Verbatim tok then output_syms (enclose "{*" "*}" s)
   107         else output_syms s
   108       end
   109   | output_tok (Markup cmd, txt) =
   110       "%\n\\isamarkup" ^ cmd ^ "{" ^ Symbol.strip_blanks txt ^ "%\n}\n"
   111   | output_tok (MarkupEnv cmd, txt) = "%\n\\begin{isamarkup" ^ cmd ^ "}%\n" ^
   112       Symbol.strip_blanks txt ^ "%\n\\end{isamarkup" ^ cmd ^ "}%\n"
   113   | output_tok (Verbatim, txt) = "%\n" ^ Symbol.strip_blanks txt ^ "\n";
   114 
   115 
   116 val output_tokens = implode o map output_tok;
   117 
   118 
   119 fun flag_markup true = "\\isamarkuptrue%\n"
   120   | flag_markup false = "\\isamarkupfalse%\n";
   121 
   122 
   123 (* theory presentation *)
   124 
   125 val tex_trailer =
   126   "%%% Local Variables:\n\
   127   \%%% mode: latex\n\
   128   \%%% TeX-master: \"root\"\n\
   129   \%%% End:\n";
   130 
   131 fun isabelle_file name txt =
   132   "%\n\\begin{isabellebody}%\n\
   133   \\\def\\isabellecontext{" ^ output_syms name ^ "}%\n" ^ txt ^
   134   "\\end{isabellebody}%\n" ^ tex_trailer;
   135 
   136 fun old_symbol_source name syms =
   137   isabelle_file name ("\\isamarkupheader{" ^ output_syms name ^ "}%\n" ^ output_symbols syms);
   138 
   139 fun theory_entry name = "\\input{" ^ name ^ ".tex}\n\n";
   140 
   141 
   142 (* print mode *)
   143 
   144 val latexN = "latex";
   145 val modes = [latexN, Symbol.xsymbolsN, Symbol.symbolsN];
   146 
   147 fun latex_output str =
   148   let val syms = Symbol.explode str
   149   in (output_symbols syms, real (Symbol.length syms)) end;
   150 
   151 fun latex_indent "" = ""
   152   | latex_indent s = enclose "\\isaindent{" "}" s;
   153 
   154 val token_translation =
   155   map (fn s => (latexN, s, latex_output)) Syntax.standard_token_classes;
   156 
   157 val _ = Symbol.add_mode latexN (latex_output, latex_indent o #1);
   158 val setup = [Theory.add_tokentrfuns token_translation];
   159 
   160 
   161 end;