Add a TextEditor method for retrieving comment delimiters…

.eslintrc.js

@@ -19,6 +19,14 @@ module.exports = {
       asyncArrow: "always",
       named: "never"
     }],
+    "no-constant-condition": "off",
+    "no-unused-vars": [
+      "warn",
+      {
+        varsIgnorePattern: '^_',
+        argsIgnorePattern: '^_'
+      }
+    ],
     "node/no-missing-require": [
       "error",
       {

packages/language-c/settings/language-c.cson

@@ -1,6 +1,11 @@
 '.source.c, .source.cpp, .source.objc, .source.objcpp':
   'editor':
     'commentStart': '// '
+    # Technically, line comments aren't universally valid in C, but all modern
+    # C compilers support them.
+    'commentDelimiters':
+      'block': ['/*', '*/']
+      'line': '//'
     'increaseIndentPattern': '(?x)
        ^ .* \\{ [^}"\']* $
       |^ .* \\( [^\\)"\']* $

packages/language-clojure/settings/language-clojure.cson

@@ -1,5 +1,7 @@
 '.source.clojure':
   'editor':
     'commentStart': '; '
+    'commentDelimiters':
+      'line': ';'
   'autocomplete':
     'extraWordCharacters': '-'

packages/language-coffee-script/settings/language-coffee-script.cson

@@ -1,6 +1,8 @@
 '.source.coffee, .source.litcoffee, .source.coffee.md':
   'editor':
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
 '.source.coffee':
   'editor':
     'autoIndentOnPaste': false

packages/language-csharp/settings/language-csharp.cson

@@ -1,5 +1,8 @@
 '.source.cs':
   'editor':
     'commentStart': '// '
+    'commentDelimiters':
+      'line': '//'
+      'block': ['/*', '*/']
     'increaseIndentPattern': '(?x)\n\t\t^ .* \\{ [^}"\']* $\n\t|   ^ \\s* \\{ \\} $\n\t'
     'decreaseIndentPattern': '(?x)\n\t\t^ (.*\\*/)? \\s* \\} ( [^}{"\']* \\{ | \\s* while \\s* \\( .* )? [;\\s]* (//.*|/\\*.*\\*/\\s*)? $\n\t'

packages/language-css/settings/language-css.cson

@@ -4,6 +4,8 @@
   'editor':
     'commentStart': '/*'
     'commentEnd': '*/'
+    'commentDelimiters':
+      'block': ['/*', '*/']
     'foldEndPattern': '(?<!\\*)\\*\\*/|^\\s*\\}|\\/*\\s*@end\\s*\\*\\/'
   'autocomplete':
     'extraWordCharacters': '-'

packages/language-gfm/settings/gfm.cson

@@ -3,3 +3,5 @@
     'softWrap': true
     'commentStart': '<!-- '
     'commentEnd': ' -->'
+    'commentDelimiters':
+      'block': ['<!--', '-->']

packages/language-go/settings/language-go.cson

@@ -1,6 +1,9 @@
 '.source.go':
   'editor':
     'commentStart': '// '
+    'commentDelimiters':
+      'block': ['/*', '*/']
+      'line': '//'
     'increaseIndentPattern': '^.*(\\bcase\\b.*:|\\bdefault\\b:|(\\b(func|if|else|switch|select|for|struct)\\b.*)?{[^}]*|\\([^)]*)$'
     'decreaseIndentPattern': '^\\s*(\\bcase\\b.*:|\\bdefault\\b:|}[),]?|\\)[,]?)$'
     'decreaseNextIndentPattern': '^\\s*[^\\s()}]+(?<m>[^()]*\\((?:\\g<m>[^()]*|[^()]*)\\))*[^()]*\\)[,]?$'

packages/language-html/grammars/modern-tree-sitter-html.cson

@@ -21,3 +21,4 @@ fileTypes: [
 comments:
   start: '<!-- '
   end: ' -->'
+  block: ['<!--', '-->']

packages/language-html/settings/language-html.cson

@@ -4,6 +4,8 @@
   'editor':
     'commentStart': '<!-- '
     'commentEnd': ' -->'
+    'commentDelimiters':
+      'block': ['<!--', '-->']
     'foldEndPattern': '(?x)\n\t\t(</(?i:head|body|table|thead|tbody|tfoot|tr|div|select|fieldset|style|script|ul|ol|li|form|dl|section|article|header|footer|nav|aside)>\n\t\t|^(?!.*?<!--).*?--\\s*>\n\t\t|^<!--\\ end\\ tminclude\\ -->$\n\t\t|<\\?(?:php)?.*\\bend(if|for(each)?|while)\\b\n\t\t|\\{\\{?/(if|foreach|capture|literal|foreach|php|section|strip)\n\t\t|^[^{]*\\}\n\t\t|^\\s*\\)[,;]\n\t\t)'
     'increaseIndentPattern': '''(?x)
       <(?!\\?|(?:area|base|br|col|frame|hr|html|img|input|link|meta|param)\\b|[^>]*/>)

packages/language-java/settings/language-java.cson

@@ -1,6 +1,9 @@
 '.source.java':
   'editor':
     'commentStart': '// '
+    'commentDelimiters':
+      'block': ['/*', '*/']
+      'line': '//'
     'foldEndPattern': '^\\s*(\\}|// \\}\\}\\}$)'
     'increaseIndentPattern': '^.*\\{(\\}|[^}"\']*)$|^\\s*(public|private|protected):\\s*$'
     'decreaseIndentPattern': '^(.*\\*/)?\\s*\\}|^\\s*(public|private|protected):\\s*$'
@@ -9,6 +12,8 @@
     'foldEndPattern': '\\*\\*/|^\\s*\\}'
     'commentStart': '<%-- '
     'commentEnd': ' --%>'
+    'commentDelimiters':
+      'block': ['<%--', '-->']
     'increaseIndentPattern': '^\\s*<(([^!/?]|%)(?!.+?([/%]>|</.+?>))|[%!]--\\s*$)'
     'decreaseIndentPattern': '^\\s*(</[^>]+>|-->|--%>)'
 '.text.junit-test-report':
@@ -17,6 +22,8 @@
 '.source.java-properties':
   'editor':
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
 '.keyword.other.documentation.javadoc.java':
   'editor':
     'completions': [

packages/language-javascript/grammars/modern-tree-sitter-javascript.cson

@@ -31,3 +31,5 @@ fileTypes: [
 
 comments:
   start: '// '
+  block: ['/*', '*/']
+  line: '//'

packages/language-javascript/settings/language-javascript.cson

@@ -2,6 +2,9 @@
   'editor':
     'nonWordCharacters': '/\\()"\':,.;<>~!#@%^&*|+=[]{}`?-…'
     'commentStart': '// '
+    'commentDelimiters':
+      'block': ['/*', '*/']
+      'line': '//'
     'foldEndPattern': '^\\s*\\}|^\\s*\\]|^\\s*\\)'
     'increaseIndentPattern': '(?x)
         \\{ [^}"\']*(//.*)? $
@@ -16,8 +19,12 @@
   'editor':
     'commentStart': '{/*'
     'commentEnd': '*/}'
+    'commentDelimiters':
+      'block': ['{/*', '*/}']
 
 '.source.js .meta.jsx.inside-tag.js':
   'editor':
     'commentStart': '{/*'
     'commentEnd': '*/}'
+    'commentDelimiters':
+      'block': ['{/*', '*/}']

packages/language-less/settings/language-less.cson

@@ -1,6 +1,9 @@
 ".source.css.less":
   editor:
     commentStart: "// "
+    commentDelimiters:
+      line: '//'
+      block: ['/*', '*/']
   autocomplete:
     extraWordCharacters: '-'
     symbols:

packages/language-make/settings/language-make.cson

@@ -2,4 +2,6 @@
   'editor':
     'increaseIndentPattern': '^[^\\t ]+:'
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
     'tabType': 'hard'

packages/language-objective-c/settings/language-objective-c.cson

@@ -32,6 +32,7 @@
       'NSMutableString'
       'NSString'
     ]
+    # Comment settings are specified in the `language-c` package.
 '.source.objcpp, .source.objc':
   'editor':
     'foldEndPattern': '(?<!\\*)\\*\\*/|^\\s*\\}|^@end\\b'

packages/language-perl/settings/language-perl.cson

@@ -4,11 +4,15 @@
     'increaseIndentPattern': '^.*\\{\\}?\\s*$'
     'decreaseIndentPattern': '^\\s*\\}'
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
     'nonWordCharacters': '/\\()"\':,.;<>~!#^&*|+=[]{}`?-'
 '.source.perl6':
   'editor':
     'foldEndPattern': '(\\*/|^\\s*(\\}|\\]|\\)))'
     'increaseIndentPattern': '^.*\\{\\}?\\s*$'
     'decreaseIndentPattern': '^\\s*\\}'
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
     'nonWordCharacters': '/\\()"\':,.;<>~!#^&*|+=[]{}`?-'

packages/language-php/settings/language-php.cson

@@ -1,6 +1,9 @@
 '.source.php':
   'editor':
     'commentStart': '// '
+    'commentDelimiters':
+      'line': '//'
+      'block': ['/*', '*/']
     'completions': [
       'APCIterator'
       'AppendIterator'

packages/language-property-list/settings/language-property-list.cson

@@ -1,6 +1,8 @@
 '.source.plist':
   'editor':
     'commentStart': '// '
+    'commentDelimiters':
+      'line': '//'
     'foldEndPattern': '^\\s*(\\}|\\))'
     'increaseIndentPattern': '^\\s*(([a-zA-Z_-]+|"[^"]+"|\'[^\']+\')\\s+=\\s+)?[{(](?!.*[)}][;,]?\\s*$)'
     'decreaseIndentPattern': '^\\s*(\\}|\\))'

packages/language-python/settings/language-python.cson

@@ -4,6 +4,8 @@
     'softTabs': true
     'tabLength': 4
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
     'foldEndPattern': '^\\s*[}\\])]'
     'increaseIndentPattern': '^\\s*(class|def|elif|else|except|finally|for|if|try|with|while|async\\s+(def|for|with))\\b.*:\\s*$'
     'decreaseIndentPattern': '^\\s*(elif|else|except|finally)\\b.*:\\s*$'

packages/language-ruby/settings/language-ruby.cson

@@ -1,6 +1,8 @@
 '.source.ruby':
   'editor':
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
     'increaseIndentPattern': '(?x)^\n    (\\s*\n        (module|class|(private\\s+)?def\n        |unless|if|else|elsif\n        |case|when\n        |begin|rescue|ensure\n        |for|while|until\n        |(?= .*? \\b(do|begin|case|if|unless)\\b )\n         # the look-ahead above is to quickly discard non-candidates\n         (  "(\\\\.|[^\\\\"])*+"        # eat a double quoted string\n         | \'(\\\\.|[^\\\\\'])*+\'      # eat a single quoted string\n         |   [^#"\']                # eat all but comments and strings\n         )*\n         (                         \\s   (do|begin|case)\n         | [-+=&|*/~%^<>~](?<!\\$.) \\s*+ (if|unless)\n         )\n        )\\b\n        (?! [^;]*+ ; .*? \\bend\\b )\n    |(  "(\\\\.|[^\\\\"])*+"            # eat a double quoted string\n     | \'(\\\\.|[^\\\\\'])*+\'          # eat a single quoted string\n     |   [^#"\']                    # eat all but comments and strings\n     )*\n     (\\( (?!  [^\\)]*+ \\) )\n      | \\{ (?!  [^}]*+ \\} )\n     | \\[ (?! [^\\]]*+ \\] )\n     )\n    ).*$'
     'decreaseIndentPattern': '^\\s*([}\\]\\)](,?\\s*(#|$)|\\.[a-zA-Z_]\\w*\\b)|(end|rescue|ensure|else|elsif|when)\\b)'
 '.text.html.erb':

packages/language-rust-bundled/settings/rust.cson

@@ -1,6 +1,9 @@
 '.source.rust':
   'editor':
     'commentStart': '// '
+    'commentDelimiters':
+      'line': '//'
+      'block': ['/*', '*/']
     'increaseIndentPattern': '(?x)
        ^ .* \\{ [^}"\']* $
       |^ .* \\( [^\\)"\']* $

packages/language-sass/settings/language-sass.cson

@@ -24,6 +24,9 @@
   'editor':
     'nonWordCharacters': '/\\()"\':,.;<>~!#%^&*|+=[]{}`?…'
     'commentStart': '// '
+    'commentDelimiters':
+      'line': '//'
+      'block': ['/*', '*/']
   'autocomplete':
     'symbols':
       'mixin':

packages/language-shellscript/settings/language-shellscript.cson

@@ -1,6 +1,8 @@
 '.source.shell':
   'editor':
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
     'foldEndPattern': '^\\s*(\\}|(done|fi|esac)\\b)'
     'increaseIndentPattern': '^\\s*(else|case)\\b|^.*(\\{|\\b(then|do)\\b)$'
     'decreaseIndentPattern': '^\\s*(\\}|(elif|else|fi|esac|done)\\b)'

packages/language-sql/settings/language-sql.cson

@@ -1,6 +1,8 @@
 '.source.sql':
   'editor':
     'commentStart': '-- '
+    'commentDelimiters':
+      'line': '--'
     'foldEndPattern': '^\\s*\\)'
     'increaseIndentPattern': '^\\s*(create|grant|insert|delete|update)\\b|\\((?!.*\\))'
     'decreaseIndentPattern': '^\\s*\\)(?!=.*\\()'

packages/language-toml/settings/language-toml.cson

@@ -1,3 +1,5 @@
 '.source.toml':
   'editor':
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'

packages/language-typescript/settings/TypeScript.cson

@@ -1,6 +1,9 @@
 '.source.ts':
   'editor':
     'commentStart': '// '
+    'commentDelimiters':
+      'line': '//'
+      'block': ['/*', '*/']
     'foldEndPattern': '^\\s*\\}|^\\s*\\]|^\\s*\\)'
     'increaseIndentPattern': '(?x)
         \\{ [^}"\']* $

packages/language-typescript/settings/TypeScriptReact.cson

@@ -1,6 +1,9 @@
 '.source.tsx':
   'editor':
     'commentStart': '// '
+    'commentDelimiters':
+      'line': '//'
+      'block': ['/*', '*/']
     'foldEndPattern': '^\\s*\\}|^\\s*\\]|^\\s*\\)'
     'increaseIndentPattern': '(?x)
         \\{ [^}"\']* $
@@ -15,6 +18,8 @@
   'editor':
     'commentStart': '{/* ',
     'commentEnd': ' */}',
+    'commentDelimiters':
+      'block': ['{/*', '*/}']
     'increaseIndentPattern': "{[^}\"']*$|\\[[^\\]\"']*$|\\([^)\"']*$|<[a-zA-Z][^/]*$|^\\s*>$",
     'decreaseIndentPattern': "^\\s*(\\s*/[*].*[*]/\\s*)*[}\\])]|^\\s*(</|/>)"
 

packages/language-xml/settings/language-xml.cson

@@ -2,6 +2,8 @@
   'editor':
     'commentStart': '<!-- '
     'commentEnd': ' -->'
+    'commentDelimiters':
+      'block': ['<!--', '-->']
     'foldEndPattern': '^\\s*(</[^>]+>|[/%]>|-->)\\s*$'
     'increaseIndentPattern': '^\\s*<(([^!/?]|%)(?!.+?([/%]>|</.+?>))|[%!]--\\s*$)'
     'decreaseIndentPattern': '^\\s*(</[^>]+>|-->|--%>)'

packages/language-yaml/settings/language-yaml.cson

@@ -2,6 +2,8 @@
   'editor':
     'autoIndentOnPaste': false
     'commentStart': '# '
+    'commentDelimiters':
+      'line': '#'
     'foldEndPattern': '^\\s*$|^\\s*\\}|^\\s*\\]|^\\s*\\)'
     'increaseIndentPattern': '^\\s*.*(:|-) ?(&\\w+)?(\\{[^}"\']*|\\([^)"\']*)?$'
     'decreaseIndentPattern': '^\\s+\\}$'