diff options
Diffstat (limited to 'tex/context/base/syst-aux.lua')
| -rw-r--r-- | tex/context/base/syst-aux.lua | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/tex/context/base/syst-aux.lua b/tex/context/base/syst-aux.lua index b0fb8483b..f9c0dfc1c 100644 --- a/tex/context/base/syst-aux.lua +++ b/tex/context/base/syst-aux.lua @@ -16,7 +16,8 @@ local commands, context = commands, context local settings_to_array = utilities.parsers.settings_to_array local format = string.format local utfsub = utf.sub -local P, C, Carg, lpegmatch, utf8char = lpeg.P, lpeg.C, lpeg.Carg, lpeg.match, lpeg.patterns.utf8char +local P, S, C, Cc, Cs, Carg, lpegmatch, utf8char = lpeg.P, lpeg.S, lpeg.C, lpeg.Cc, lpeg.Cs, lpeg.Carg, lpeg.match, lpeg.patterns.utf8char + local setvalue = context.setvalue @@ -78,3 +79,23 @@ end -- \gdef\setpercentdimen#1#2% -- {#1=\ctxcommand{percentageof("#2",\number#1)}\relax} + +local spaces = P(" ")^0/"" + +local pattern = Cs( + ( P("global") / "\\global" )^0 + * spaces + * ( P("unexpanded") / "\\unexpanded" )^0 + * spaces + * Cc("\\expandafter\\") + * spaces + * ( P("expanded") / "e" )^0 + * spaces + * ( P((1-S(" #"))^1) / "def\\csname %0\\endcsname" ) + * spaces + * Cs( (P("##")/"#" + P(1))^0 ) +) + +function commands.thetexdefinition(str) + context(lpegmatch(pattern,str)) +end |