--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/Pure/Syntax/symbol_font.ML Tue Nov 19 13:04:07 1996 +0100
@@ -0,0 +1,51 @@
+(* Title: Pure/Syntax/symbol_font.ML
+ ID: $Id$
+ Author: Markus Wenzel, TU Muenchen
+
+The Isabelle symbol font.
+*)
+
+signature SYMBOL_FONT =
+sig
+ val char_names: string list
+ val char: string -> string
+end;
+
+structure SymbolFont : SYMBOL_FONT =
+struct
+
+(** the encoding vector **)
+
+val enc_start = 160;
+val enc_end = 255;
+
+val enc_vector =
+[
+ "altspace", "Gamma", "Delta", "Theta", "Lambda", "Pi", "Sigma", "Phi",
+ "Psi", "Omega", "alpha", "beta", "gamma", "delta", "epsilon", "zeta",
+ "eta", "theta", "kappa", "lambda", "mu", "nu", "xi", "pi",
+ "rho", "sigma", "tau", "phi", "chi", "psi", "omega", "neg",
+ "vee", "wedge", "forall", "exists", "Vee", "lceil", "rceil", "lfloor",
+ "rfloor", "ldpar", "rdpar", "ldbrak", "rdbrak", "empty", "in", "subseteq",
+ "cap", "cup", "Cap", "Cup", "sqcap", "sqcup", "Sqcap", "Sqcup",
+ "bottom", "doteq", "equiv", "noteq", "sqsubset", "sqsubseteq", "prec", "preceq",
+ "succ", "succeq", "sim", "simeq", "le", "ge", "leftarrow", "midarrow",
+ "rightarrow", "Leftarrow", "Midarrow", "Rightarrow", "rrightarrow", "mapsto", "leadsto", "up",
+ "down", "notin", "times", "oplus", "ominus", "otimes", "oslash", "natural",
+ "infty", "box", "diamond", "circ", "bullet", "parallel", "tick", "copyright"
+];
+
+val enc_tab = Symtab.make (enc_vector ~~ (enc_start upto enc_end));
+
+
+(** chars by name **)
+
+val char_names = enc_vector;
+
+fun char name =
+ (case Symtab.lookup (enc_tab, name) of
+ None => error ("Unknown symbol name: " ^ quote name)
+ | Some n => chr n);
+
+
+end;