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# -*- coding: utf-8 -*- #
# frozen_string_literal: true
module Rouge
module Lexers
class Nial < RegexLexer
title 'Nial'
desc 'The Nial programming language (nial-array-language.org)'
tag 'nial'
filenames '*.ndf', '*.nlg'
def self.keywords
@keywords ||= Set.new ["is", "gets", "op", "tr", ";",
"if", "then", "elseif", "else",
"endif", "case", "from", "endcase",
"begin", "end", "for", "with",
"endfor", "while", "do", "endwhile",
"repeat", "until", "endrepeat"]
end
def self.operators
@operators||= Set.new [".", "!", "#", "+", "*", "-", "<<",
"/", "<", ">>", "<=", ">", "=", ">=", "@", "|", "~="]
end
def self.punctuations
@punctuations ||= Set.new [ "{", "}", "[", "]", ",", "(", ")", ":=", ":", ";"]
end
def self.transformers
@transformers ||= Set.new ["accumulate", "across",
"bycols", "bykey", "byrows",
"converse", "down",
"eachboth", "eachall", "each",
"eachleft", "eachright",
"filter", "fold", "fork",
"grade", "inner", "iterate",
"leaf", "no_tr", "outer",
"partition", "rank", "recur",
"reduce", "reducecols", "reducerows",
"sort", "team", "timeit", "twig"]
end
def self.funcs
@funcs ||= Set.new ["operation", "expression", "and", "abs",
"allbools", "allints", "allchars", "allin",
"allreals", "allnumeric", "append",
"arcsin", "arccos", "appendfile", "apply",
"arctan", "atomic", "assign", "atversion",
"axes", "cart", "break", "blend", "breaklist",
"breakin", "bye", "callstack", "choose", "char",
"ceiling", "catenate", "charrep", "check_socket",
"cos", "content", "close", "clearws",
"clearprofile", "cols", "continue", "copyright",
"cosh", "cull", "count", "diverse", "deepplace",
"cutall", "cut", "display", "deparse",
"deepupdate", "descan", "depth", "diagram",
"div", "divide", "drop", "dropright", "edit",
"empty", "expression", "exit", "except", "erase",
"equal", "eval", "eraserecord", "execute", "exp",
"external", "exprs", "findall", "find",
"fault", "falsehood", "filestatus", "filelength",
"filepath", "filetally", "floor", "first",
"flip", "fuse", "fromraw", "front",
"gage", "getfile", "getdef", "getcommandline",
"getenv", "getname", "hitch", "grid", "getsyms",
"gradeup", "gt", "gte", "host", "in", "inverse",
"innerproduct", "inv", "ip", "ln", "link", "isboolean",
"isinteger", "ischar", "isfault", "isreal", "isphrase",
"isstring", "istruthvalue", "last", "laminate",
"like", "libpath", "library", "list", "load",
"loaddefs", "nonlocal", "max", "match", "log",
"lt", "lower", "lte", "mate", "min", "maxlength",
"mod", "mix", "minus", "nialroot", "mold", "not",
"numeric", "no_op", "no_expr", "notin",
"operation", "open", "or", "opposite", "opp",
"operators", "plus", "pick", "pack", "pass", "pair", "parse",
"paste", "phrase", "place", "picture", "placeall",
"power", "positions", "post", "quotient", "putfile",
"profile", "prod", "product", "profiletree",
"profiletable", "quiet_fault", "raise", "reach",
"random", "reciprocal", "read", "readfile",
"readchar", "readarray", "readfield",
"readscreen", "readrecord", "recip", "reshape",
"seek", "second", "rest", "reverse", "restart",
"return_status", "scan", "save", "rows", "rotate",
"seed", "see", "sublist", "sin", "simple", "shape",
"setformat", "setdeftrace", "set", "seeusercalls",
"seeprimcalls", "separator", "setwidth", "settrigger",
"setmessages", "setlogname", "setinterrupts",
"setprompt", "setprofile", "sinh", "single",
"sqrt", "solitary", "sketch", "sleep",
"socket_listen", "socket_accept", "socket_close",
"socket_bind", "socket_connect", "socket_getline",
"socket_receive", "socket_peek", "socket_read",
"socket_send", "socket_write", "solve", "split",
"sortup", "string", "status", "take", "symbols",
"sum", "system", "tan", "tally", "takeright",
"tanh", "tell", "tr", "times", "third", "time",
"toupper", "tolower", "timestamp", "tonumber",
"toraw", "toplevel", "transformer", "type",
"transpose", "trs", "truth", "unequal",
"variable", "valence", "up", "updateall",
"update", "vacate", "value", "version", "vars",
"void", "watch", "watchlist", "write", "writechars",
"writearray", "writefile", "writefield",
"writescreen", "writerecord"]
end
def self.consts
@consts ||= Set.new %w(false null pi true)
end
state :root do
rule %r/'/, Str::Single, :str
rule %r/\b[lo]+\b/, Num::Bin
rule %r/-?\d+((\.\d*)?[eE][+-]?\d|\.)\d*/, Num::Float
rule %r/\-?\d+/, Num::Integer
rule %r/`./, Str::Char
rule %r/"[^\s()\[\]{}#,;]*/, Str::Symbol
rule %r/\?[^\s()\[\]{}#,;]*/, Generic::Error
rule %r/%[^;]+;/, Comment::Multiline
rule %r/^#(.+\n)+\n/, Comment::Multiline
rule %r/:=|[\{\}\[\]\(\),:;]/ do |m|
if self.class.punctuations.include?(m[0])
token Punctuation
else
token Text
end
end
# [".", "!", "#", "+", "*", "-", "<<",
# "/", "<", ">>", "<=", ">", "=", ">=", "@", "|", "~="]
rule %r'>>|>=|<=|~=|[\.!#+*\-=></|@]' do |m|
if self.class.operators.include?(m[0])
token Operator
else
token Text
end
end
rule %r/\b[_A-Za-z]\w*\b/ do |m|
lower = m[0].downcase
if self.class.keywords.include?(lower)
token Keyword
elsif self.class.funcs.include?(lower)
token Keyword::Pseudo
elsif self.class.transformers.include?(lower)
token Name::Builtin
elsif self.class.consts.include?(lower)
token Keyword::Constant
else
token Name::Variable
end
end
rule %r/\s+/, Text
end
state :str do
rule %r/''/, Str::Escape
rule %r/[^']+/, Str::Single
rule %r/'|$/, Str::Single, :pop!
end
end
end
end
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