68 lines
2.7 KiB
Ruby
68 lines
2.7 KiB
Ruby
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# -*- coding: utf-8 -*- #
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# frozen_string_literal: true
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module Rouge
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module Lexers
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class Pascal < RegexLexer
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tag 'pascal'
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title "Pascal"
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desc 'a procedural programming language commonly used as a teaching language.'
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filenames '*.pas'
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mimetypes 'text/x-pascal'
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id = /@?[_a-z]\w*/i
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keywords = %w(
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absolute abstract all and and_then array as asm assembler attribute
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begin bindable case class const constructor delay destructor div do
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downto else end except exit export exports external far file finalization
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finally for forward function goto if implementation import in inc index
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inherited initialization inline interface interrupt is label library
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message mod module near nil not object of on only operator or or_else
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otherwise out overload override packed pascal pow private procedure program
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property protected public published qualified raise read record register
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repeat resident resourcestring restricted safecall segment set shl shr
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stdcall stored string then threadvar to try type unit until uses value var
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view virtual while with write writeln xor
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)
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keywords_type = %w(
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ansichar ansistring bool boolean byte bytebool cardinal char comp currency
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double dword extended int64 integer iunknown longbool longint longword pansichar
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pansistring pbool pboolean pbyte pbytearray pcardinal pchar pcomp pcurrency
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pdate pdatetime pdouble pdword pextended phandle pint64 pinteger plongint plongword
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pointer ppointer pshortint pshortstring psingle psmallint pstring pvariant pwidechar
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pwidestring pword pwordarray pwordbool real real48 shortint shortstring single
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smallint string tclass tdate tdatetime textfile thandle tobject ttime variant
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widechar widestring word wordbool
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)
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state :whitespace do
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# Spaces
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rule %r/\s+/m, Text
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# // Comments
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rule %r((//).*$\n?), Comment::Single
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# -- Comments
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rule %r((--).*$\n?), Comment::Single
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# (* Comments *)
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rule %r(\(\*.*?\*\))m, Comment::Multiline
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# { Comments }
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rule %r(\{.*?\})m, Comment::Multiline
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end
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state :root do
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mixin :whitespace
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rule %r{((0(x|X)[0-9a-fA-F]*)|(([0-9]+\.?[0-9]*)|(\.[0-9]+))((e|E)(\+|-)?[0-9]+)?)(L|l|UL|ul|u|U|F|f|ll|LL|ull|ULL)?}, Num
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rule %r{[~!@#\$%\^&\*\(\)\+`\-={}\[\]:;<>\?,\.\/\|\\]}, Punctuation
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rule %r{'([^']|'')*'}, Str
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rule %r/(true|false|nil)\b/i, Name::Builtin
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rule %r/\b(#{keywords.join('|')})\b/i, Keyword
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rule %r/\b(#{keywords_type.join('|')})\b/i, Keyword::Type
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rule id, Name
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end
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end
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end
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end
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