234 lines
7.0 KiB
JavaScript
234 lines
7.0 KiB
JavaScript
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/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2010, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var oop = require("../lib/oop");
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var JavaScriptHighlightRules = require("./javascript_highlight_rules").JavaScriptHighlightRules;
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var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
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var SJSHighlightRules = function() {
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var parent = new JavaScriptHighlightRules({noES6: true});
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var escapedRe = "\\\\(?:x[0-9a-fA-F]{2}|" + // hex
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"u[0-9a-fA-F]{4}|" + // unicode
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"[0-2][0-7]{0,2}|" + // oct
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"3[0-6][0-7]?|" + // oct
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"37[0-7]?|" + // oct
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"[4-7][0-7]?|" + //oct
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".)";
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var contextAware = function(f) {
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f.isContextAware = true;
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return f;
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};
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var ctxBegin = function(opts) {
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return {
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token: opts.token,
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regex: opts.regex,
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next: contextAware(function(currentState, stack) {
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if (stack.length === 0)
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stack.unshift(currentState);
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stack.unshift(opts.next);
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return opts.next;
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})
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};
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};
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var ctxEnd = function(opts) {
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return {
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token: opts.token,
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regex: opts.regex,
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next: contextAware(function(currentState, stack) {
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stack.shift();
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return stack[0] || "start";
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})
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};
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};
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this.$rules = parent.$rules;
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this.$rules.no_regex = [
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{
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token: "keyword",
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regex: "(waitfor|or|and|collapse|spawn|retract)\\b"
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},
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{
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token: "keyword.operator",
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regex: "(->|=>|\\.\\.)"
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},
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{
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token: "variable.language",
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regex: "(hold|default)\\b"
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},
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ctxBegin({
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token: "string",
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regex: "`",
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next: "bstring"
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}),
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ctxBegin({
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token: "string",
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regex: '"',
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next: "qqstring"
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}),
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ctxBegin({
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token: "string",
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regex: '"',
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next: "qqstring"
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}),
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{
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token: ["paren.lparen", "text", "paren.rparen"],
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regex: "(\\{)(\\s*)(\\|)",
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next: "block_arguments"
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}
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].concat(this.$rules.no_regex);
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this.$rules.block_arguments = [
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{
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token: "paren.rparen",
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regex: "\\|",
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next: "no_regex"
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}
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].concat(this.$rules.function_arguments);
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this.$rules.bstring = [
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{
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token : "constant.language.escape",
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regex : escapedRe
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},
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{
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token : "string",
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regex : "\\\\$",
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next: "bstring"
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},
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ctxBegin({
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token : "paren.lparen",
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regex : "\\$\\{",
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next: "string_interp"
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}),
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ctxBegin({
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token : "paren.lparen",
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regex : "\\$",
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next: "bstring_interp_single"
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}),
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ctxEnd({
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token : "string",
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regex : "`"
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}),
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{
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defaultToken: "string"
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}
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];
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this.$rules.qqstring = [
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{
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token : "constant.language.escape",
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regex : escapedRe
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},
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{
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token : "string",
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regex : "\\\\$",
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next: "qqstring"
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},
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ctxBegin({
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token : "paren.lparen",
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regex : "#\\{",
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next: "string_interp"
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}),
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ctxEnd({
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token : "string",
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regex : '"'
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}),
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{
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defaultToken: "string"
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}
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];
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// collect all context-aware (or stateless), brace-less
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// states. This gives us most normal highlighting
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// for use within interpreted contexts
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// without interfering with context nesting
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var embeddableRules = [];
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for (var i=0; i < this.$rules.no_regex.length; i++) {
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var rule = this.$rules.no_regex[i];
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var token = String(rule.token);
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if (token.indexOf('paren') == -1 && (!rule.next || rule.next.isContextAware)) {
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embeddableRules.push(rule);
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}
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}
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this.$rules.string_interp = [
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ctxEnd({
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token: "paren.rparen",
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regex: "\\}"
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}),
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ctxBegin({
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token: "paren.lparen",
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regex: '{',
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next: "string_interp"
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})
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].concat(embeddableRules);
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// backtick strings can have single interpolation, which accept
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// \w+ followed by an optional set of function call parens
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this.$rules.bstring_interp_single = [
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{
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token: ["identifier", "paren.lparen"],
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regex: '(\\w+)(\\()',
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next: 'bstring_interp_single_call'
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},
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// identifier-only match ends this interp
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ctxEnd({
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token : "identifier",
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regex : "\\w*"
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})
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];
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// the call part of a bstring_interp_single
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// is terminated by a close paren `)`, but
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// can have nested parens.
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this.$rules.bstring_interp_single_call = [
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ctxBegin({
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token: "paren.lparen",
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regex: "\\(",
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next: "bstring_interp_single_call"
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}),
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ctxEnd({
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token: "paren.rparen",
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regex: "\\)"
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})
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].concat(embeddableRules);
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};
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oop.inherits(SJSHighlightRules, TextHighlightRules);
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exports.SJSHighlightRules = SJSHighlightRules;
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});
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