145 lines
3.4 KiB
JavaScript
145 lines
3.4 KiB
JavaScript
module.exports = function(hljs) {
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var BASIC_ATOM_RE = '[a-z\'][a-zA-Z0-9_\']*';
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var FUNCTION_NAME_RE = '(' + BASIC_ATOM_RE + ':' + BASIC_ATOM_RE + '|' + BASIC_ATOM_RE + ')';
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var ERLANG_RESERVED = {
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keyword:
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'after and andalso|10 band begin bnot bor bsl bzr bxor case catch cond div end fun if ' +
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'let not of orelse|10 query receive rem try when xor',
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literal:
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'false true'
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};
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var COMMENT = hljs.COMMENT('%', '$');
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var NUMBER = {
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className: 'number',
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begin: '\\b(\\d+#[a-fA-F0-9]+|\\d+(\\.\\d+)?([eE][-+]?\\d+)?)',
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relevance: 0
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};
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var NAMED_FUN = {
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begin: 'fun\\s+' + BASIC_ATOM_RE + '/\\d+'
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};
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var FUNCTION_CALL = {
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begin: FUNCTION_NAME_RE + '\\(', end: '\\)',
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returnBegin: true,
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relevance: 0,
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contains: [
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{
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begin: FUNCTION_NAME_RE, relevance: 0
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},
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{
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begin: '\\(', end: '\\)', endsWithParent: true,
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returnEnd: true,
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relevance: 0
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// "contains" defined later
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}
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]
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};
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var TUPLE = {
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begin: '{', end: '}',
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relevance: 0
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// "contains" defined later
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};
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var VAR1 = {
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begin: '\\b_([A-Z][A-Za-z0-9_]*)?',
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relevance: 0
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};
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var VAR2 = {
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begin: '[A-Z][a-zA-Z0-9_]*',
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relevance: 0
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};
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var RECORD_ACCESS = {
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begin: '#' + hljs.UNDERSCORE_IDENT_RE,
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relevance: 0,
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returnBegin: true,
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contains: [
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{
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begin: '#' + hljs.UNDERSCORE_IDENT_RE,
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relevance: 0
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},
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{
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begin: '{', end: '}',
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relevance: 0
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// "contains" defined later
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}
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]
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};
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var BLOCK_STATEMENTS = {
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beginKeywords: 'fun receive if try case', end: 'end',
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keywords: ERLANG_RESERVED
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};
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BLOCK_STATEMENTS.contains = [
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COMMENT,
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NAMED_FUN,
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hljs.inherit(hljs.APOS_STRING_MODE, {className: ''}),
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BLOCK_STATEMENTS,
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FUNCTION_CALL,
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hljs.QUOTE_STRING_MODE,
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NUMBER,
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TUPLE,
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VAR1, VAR2,
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RECORD_ACCESS
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];
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var BASIC_MODES = [
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COMMENT,
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NAMED_FUN,
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BLOCK_STATEMENTS,
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FUNCTION_CALL,
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hljs.QUOTE_STRING_MODE,
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NUMBER,
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TUPLE,
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VAR1, VAR2,
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RECORD_ACCESS
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];
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FUNCTION_CALL.contains[1].contains = BASIC_MODES;
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TUPLE.contains = BASIC_MODES;
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RECORD_ACCESS.contains[1].contains = BASIC_MODES;
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var PARAMS = {
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className: 'params',
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begin: '\\(', end: '\\)',
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contains: BASIC_MODES
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};
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return {
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aliases: ['erl'],
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keywords: ERLANG_RESERVED,
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illegal: '(</|\\*=|\\+=|-=|/\\*|\\*/|\\(\\*|\\*\\))',
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contains: [
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{
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className: 'function',
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begin: '^' + BASIC_ATOM_RE + '\\s*\\(', end: '->',
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returnBegin: true,
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illegal: '\\(|#|//|/\\*|\\\\|:|;',
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contains: [
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PARAMS,
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hljs.inherit(hljs.TITLE_MODE, {begin: BASIC_ATOM_RE})
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],
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starts: {
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end: ';|\\.',
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keywords: ERLANG_RESERVED,
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contains: BASIC_MODES
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}
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},
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COMMENT,
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{
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begin: '^-', end: '\\.',
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relevance: 0,
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excludeEnd: true,
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returnBegin: true,
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lexemes: '-' + hljs.IDENT_RE,
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keywords:
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'-module -record -undef -export -ifdef -ifndef -author -copyright -doc -vsn ' +
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'-import -include -include_lib -compile -define -else -endif -file -behaviour ' +
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'-behavior -spec',
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contains: [PARAMS]
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},
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NUMBER,
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hljs.QUOTE_STRING_MODE,
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RECORD_ACCESS,
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VAR1, VAR2,
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TUPLE,
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{begin: /\.$/} // relevance booster
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]
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};
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}; |