mirror of https://github.com/ColorlibHQ/gentelella
57 lines
2.9 KiB
JavaScript
57 lines
2.9 KiB
JavaScript
// Copyright (C) 2008 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview
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* Registers a language handler for OCaml, SML, F# and similar languages.
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*
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* Based on the lexical grammar at
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* http://research.microsoft.com/en-us/um/cambridge/projects/fsharp/manual/spec.html#_Toc270597388
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*
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* @author mikesamuel@gmail.com
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*/
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PR['registerLangHandler'](
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PR['createSimpleLexer'](
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[
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// Whitespace is made up of spaces, tabs and newline characters.
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[PR['PR_PLAIN'], /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'],
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// #if ident/#else/#endif directives delimit conditional compilation
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// sections
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[PR['PR_COMMENT'],
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/^#(?:if[\t\n\r \xA0]+(?:[a-z_$][\w\']*|``[^\r\n\t`]*(?:``|$))|else|endif|light)/i,
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null, '#'],
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// A double or single quoted, possibly multi-line, string.
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// F# allows escaped newlines in strings.
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[PR['PR_STRING'], /^(?:\"(?:[^\"\\]|\\[\s\S])*(?:\"|$)|\'(?:[^\'\\]|\\[\s\S])(?:\'|$))/, null, '"\'']
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],
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[
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// Block comments are delimited by (* and *) and may be
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// nested. Single-line comments begin with // and extend to
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// the end of a line.
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// TODO: (*...*) comments can be nested. This does not handle that.
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[PR['PR_COMMENT'], /^(?:\/\/[^\r\n]*|\(\*[\s\S]*?\*\))/],
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[PR['PR_KEYWORD'], /^(?:abstract|and|as|assert|begin|class|default|delegate|do|done|downcast|downto|elif|else|end|exception|extern|false|finally|for|fun|function|if|in|inherit|inline|interface|internal|lazy|let|match|member|module|mutable|namespace|new|null|of|open|or|override|private|public|rec|return|static|struct|then|to|true|try|type|upcast|use|val|void|when|while|with|yield|asr|land|lor|lsl|lsr|lxor|mod|sig|atomic|break|checked|component|const|constraint|constructor|continue|eager|event|external|fixed|functor|global|include|method|mixin|object|parallel|process|protected|pure|sealed|trait|virtual|volatile)\b/],
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// A number is a hex integer literal, a decimal real literal, or in
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// scientific notation.
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[PR['PR_LITERAL'],
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/^[+\-]?(?:0x[\da-f]+|(?:(?:\.\d+|\d+(?:\.\d*)?)(?:e[+\-]?\d+)?))/i],
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[PR['PR_PLAIN'], /^(?:[a-z_][\w']*[!?#]?|``[^\r\n\t`]*(?:``|$))/i],
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// A printable non-space non-special character
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[PR['PR_PUNCTUATION'], /^[^\t\n\r \xA0\"\'\w]+/]
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]),
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['fs', 'ml']);
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