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% This is a simple PostScript mode. It just implements a highlighting
% scheme.
% Note that PostScript considers any set of matched parentheses to be a
% valid string. This cannot easily be matched by DFA-based methods, so
% the highlighting scheme here simply deals with *one* set of inner
% parentheses. Hence (asd(df)df) is a valid string under these rules,
% but (sdf(df(sdf)sdf)sdf) contains more nested parentheses than we can
% cope with here.
$1 = "PostScript";
create_syntax_table ($1);
#ifdef HAS_DFA_SYNTAX
%%% DFA_CACHE_BEGIN %%%
static define setup_dfa_callback (name)
{
dfa_enable_highlight_cache ("pscript.dfa", name);
dfa_define_highlight_rule("%.*$", "comment", name);
dfa_define_highlight_rule("[\\-\\+]?[0-9]*\\.?[0-9]+([Ee][\\-\\+]?[0-9]*)?",
"number", name);
dfa_define_highlight_rule("[0-9]+#[0-9A-Za-z]*", "number", name);
dfa_define_highlight_rule(strcat("\\((\\\\.|[^\\(\\)\\\\]|",
"\\(([^\\\\\\(\\)]|\\\\.)*\\))*\\)"),
"string", name);
dfa_define_highlight_rule(strcat("\\((\\\\.|[^\\(\\)\\\\]|\\(([^\\\\\\(\\)]|\\\\",
".)*\\))*(\\(([^\\\\\\(\\)]|\\\\.)*)?\\\\?$"),
"string", name);
dfa_define_highlight_rule(strcat("^(([^\\\\\\(\\)]|\\\\.)*\\))?(\\\\.|[^\\(\\)",
"\\\\]|\\(([^\\\\\\(\\)]|\\\\.)*\\))*\\)"),
"string", name);
dfa_define_highlight_rule("<[ \t0-9a-fA-F]*>", "string", name);
dfa_define_highlight_rule("<[ \t0-9a-fA-F]*$", "string", name);
dfa_define_highlight_rule("^[ \t0-9a-fA-F]*>", "Qstring", name);
dfa_define_highlight_rule("<~[ \t!-u]*~>", "string", name);
dfa_define_highlight_rule("<~[ \t!-u]*~?$", "string", name);
dfa_define_highlight_rule("^[ \t!-u]*~>", "Qstring", name);
dfa_define_highlight_rule("[!-\\$&'\\*-\\.0-;=\\?-Z\\\\\\^-z\\|~]+",
"Knormal", name);
dfa_define_highlight_rule("//?[!-\\$&'\\*-\\.0-;=\\?-Z\\\\\\^-z\\|~]+",
"normal", name);
dfa_define_highlight_rule("<<|>>|\\[|\\]|{|}", "Qdelimiter", name);
dfa_define_highlight_rule(".", "normal", name);
dfa_build_highlight_table (name);
}
dfa_set_init_callback (&setup_dfa_callback, "PostScript");
%%% DFA_CACHE_END %%%
#endif
% All words in PostScript are of course redefinable. So we will simply
% define as keywords the *really* basic ones. These are basic language
% operators.
define_keywords ($1, "=", 1);
define_keywords ($1, "==eqgegtiflelnltneor", 2);
define_keywords ($1, strcat("absaddandcoscvicvncvrcvscvxdefdivdupendexpfor",
"getlogmodmulnegnotpopputrunsinsrtsubxor"), 3);
define_keywords ($1, strcat("atancopycopycvrsdictexchexecexitfileidivload",
"loopmarkquitrandreadrollsavestoptruetype"), 4);
define_keywords ($1, strcat("aloadarraybeginclearcountcvlitfalsefloorindex",
"knownroundrrandsrandstackstoreundefwherewrite"),
5);
define_keywords ($1, "astoreforallgstateifelselengthpstackrepeatstring", 6);
define_keywords ($1, "ceilingrestore", 7);
define_keywords ($1, "truncate", 8);
define_keywords ($1, strcat("counttomarkcurrentfilegetintervalpackedarray",
"putinterval"), 11);
% And these are basic graphical operators.
define_keywords_n ($1, "arc", 3, 1);
define_keywords_n ($1, "arcnarctclipfillshow", 4, 1);
define_keywords_n ($1, "arctogsaveimagescale", 5, 1);
define_keywords_n ($1, "concateoclipeofilllinetomatrixmovetorotatestroke",
6, 1);
define_keywords_n ($1, "curvetonewpathrlinetormovetosetdashsetfontsetgray",
7, 1);
define_keywords_n ($1, "findfontgrestoremakefontrcurvetosetcolorshowpage",
8, 1);
define_keywords_n ($1, "closepathscalefontsetmatrixtransformtranslate", 9, 1);
define_keywords_n ($1, "definefontsetlinecapsetpattern", 10, 1);
define_keywords_n ($1, strcat("currentdashcurrentfontcurrentgraysethsbcolor",
"setlinejoinsetrgbcolor"), 11, 1);
define_keywords_n ($1, "currentcolorsetcmykcolorsetlinewidth", 12, 1);
define_keywords_n ($1, "currentmatrix", 13, 1);
define_keywords_n ($1, "currentlinecapcurrentpattern", 14, 1);
define_keywords_n ($1, "currenthsbcolorcurrentlinejoincurrentrgbcolor",
15, 1);
define_keywords_n ($1, "currentcmykcolorcurrentlinewidth", 16, 1);
define ps_mode ()
{
variable ps = "PostScript";
set_mode(ps, 0);
use_syntax_table (ps);
run_mode_hooks("ps_mode_hook");
}
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