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Diffstat (limited to 'node_modules/highlight.js/lib/languages/ada.js')
| -rw-r--r-- | node_modules/highlight.js/lib/languages/ada.js | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/node_modules/highlight.js/lib/languages/ada.js b/node_modules/highlight.js/lib/languages/ada.js new file mode 100644 index 000000000..4e96c860c --- /dev/null +++ b/node_modules/highlight.js/lib/languages/ada.js @@ -0,0 +1,172 @@ +module.exports = // We try to support full Ada2012 +// +// We highlight all appearances of types, keywords, literals (string, char, number, bool) +// and titles (user defined function/procedure/package) +// CSS classes are set accordingly +// +// Languages causing problems for language detection: +// xml (broken by Foo : Bar type), elm (broken by Foo : Bar type), vbscript-html (broken by body keyword) +// sql (ada default.txt has a lot of sql keywords) + +function(hljs) { + // Regular expression for Ada numeric literals. + // stolen form the VHDL highlighter + + // Decimal literal: + var INTEGER_RE = '\\d(_|\\d)*'; + var EXPONENT_RE = '[eE][-+]?' + INTEGER_RE; + var DECIMAL_LITERAL_RE = INTEGER_RE + '(\\.' + INTEGER_RE + ')?' + '(' + EXPONENT_RE + ')?'; + + // Based literal: + var BASED_INTEGER_RE = '\\w+'; + var BASED_LITERAL_RE = INTEGER_RE + '#' + BASED_INTEGER_RE + '(\\.' + BASED_INTEGER_RE + ')?' + '#' + '(' + EXPONENT_RE + ')?'; + + var NUMBER_RE = '\\b(' + BASED_LITERAL_RE + '|' + DECIMAL_LITERAL_RE + ')'; + + // Identifier regex + var ID_REGEX = '[A-Za-z](_?[A-Za-z0-9.])*'; + + // bad chars, only allowed in literals + var BAD_CHARS = '[]{}%#\'\"' + + // Ada doesn't have block comments, only line comments + var COMMENTS = hljs.COMMENT('--', '$'); + + // variable declarations of the form + // Foo : Bar := Baz; + // where only Bar will be highlighted + var VAR_DECLS = { + // TODO: These spaces are not required by the Ada syntax + // however, I have yet to see handwritten Ada code where + // someone does not put spaces around : + begin: '\\s+:\\s+', end: '\\s*(:=|;|\\)|=>|$)', + // endsWithParent: true, + // returnBegin: true, + illegal: BAD_CHARS, + contains: [ + { + // workaround to avoid highlighting + // named loops and declare blocks + beginKeywords: 'loop for declare others', + endsParent: true, + }, + { + // properly highlight all modifiers + className: 'keyword', + beginKeywords: 'not null constant access function procedure in out aliased exception' + }, + { + className: 'type', + begin: ID_REGEX, + endsParent: true, + relevance: 0, + } + ] + }; + + return { + case_insensitive: true, + keywords: { + keyword: + 'abort else new return abs elsif not reverse abstract end ' + + 'accept entry select access exception of separate aliased exit or some ' + + 'all others subtype and for out synchronized array function overriding ' + + 'at tagged generic package task begin goto pragma terminate ' + + 'body private then if procedure type case in protected constant interface ' + + 'is raise use declare range delay limited record when delta loop rem while ' + + 'digits renames with do mod requeue xor', + literal: + 'True False', + }, + contains: [ + COMMENTS, + // strings "foobar" + { + className: 'string', + begin: /"/, end: /"/, + contains: [{begin: /""/, relevance: 0}] + }, + // characters '' + { + // character literals always contain one char + className: 'string', + begin: /'.'/ + }, + { + // number literals + className: 'number', + begin: NUMBER_RE, + relevance: 0 + }, + { + // Attributes + className: 'symbol', + begin: "'" + ID_REGEX, + }, + { + // package definition, maybe inside generic + className: 'title', + begin: '(\\bwith\\s+)?(\\bprivate\\s+)?\\bpackage\\s+(\\bbody\\s+)?', end: '(is|$)', + keywords: 'package body', + excludeBegin: true, + excludeEnd: true, + illegal: BAD_CHARS + }, + { + // function/procedure declaration/definition + // maybe inside generic + begin: '(\\b(with|overriding)\\s+)?\\b(function|procedure)\\s+', end: '(\\bis|\\bwith|\\brenames|\\)\\s*;)', + keywords: 'overriding function procedure with is renames return', + // we need to re-match the 'function' keyword, so that + // the title mode below matches only exactly once + returnBegin: true, + contains: + [ + COMMENTS, + { + // name of the function/procedure + className: 'title', + begin: '(\\bwith\\s+)?\\b(function|procedure)\\s+', + end: '(\\(|\\s+|$)', + excludeBegin: true, + excludeEnd: true, + illegal: BAD_CHARS + }, + // 'self' + // // parameter types + VAR_DECLS, + { + // return type + className: 'type', + begin: '\\breturn\\s+', end: '(\\s+|;|$)', + keywords: 'return', + excludeBegin: true, + excludeEnd: true, + // we are done with functions + endsParent: true, + illegal: BAD_CHARS + + }, + ] + }, + { + // new type declarations + // maybe inside generic + className: 'type', + begin: '\\b(sub)?type\\s+', end: '\\s+', + keywords: 'type', + excludeBegin: true, + illegal: BAD_CHARS + }, + + // see comment above the definition + VAR_DECLS, + + // no markup + // relevance boosters for small snippets + // {begin: '\\s*=>\\s*'}, + // {begin: '\\s*:=\\s*'}, + // {begin: '\\s+:=\\s+'}, + ] + }; +};
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