D: Fixed strings (#2029)

* Fixed D strings

* Rebuilt

components/prism-d.js

@@ -1,19 +1,54 @@
 Prism.languages.d = Prism.languages.extend('clike', {
+	'comment': [
+		{
+			// Shebang
+			pattern: /^\s*#!.+/,
+			greedy: true
+		},
+		{
+			pattern: RegExp(/(^|[^\\])/.source + '(?:' + [
+				// /+ comment +/
+				// Allow one level of nesting
+				/\/\+(?:\/\+[\s\S]*?\+\/|(?!\/\+)[\s\S])*?\+\//.source,
+				// // comment
+				/\/\/.*/.source,
+				// /* comment */
+				/\/\*[\s\S]*?\*\//.source
+			].join('|') + ')'),
+			lookbehind: true,
+			greedy: true
+		}
+	],
 	'string': [
-		// r"", x""
-		/\b[rx]"(?:\\[\s\S]|[^\\"])*"[cwd]?/,
-		// q"[]", q"()", q"<>", q"{}"
-		/\bq"(?:\[[\s\S]*?\]|\([\s\S]*?\)|<[\s\S]*?>|\{[\s\S]*?\})"/,
-		// q"IDENT
-		// ...
-		// IDENT"
-		/\bq"([_a-zA-Z][_a-zA-Z\d]*)(?:\r?\n|\r)[\s\S]*?(?:\r?\n|\r)\1"/,
-		// q"//", q"||", etc.
-		/\bq"(.)[\s\S]*?\1"/,
-		// Characters
-		/'(?:\\'|\\?[^']+)'/,
+		{
+			pattern: RegExp([
+				// r"", x""
+				/\b[rx]"(?:\\[\s\S]|[^\\"])*"[cwd]?/.source,
+
+				// q"[]", q"()", q"<>", q"{}"
+				/\bq"(?:\[[\s\S]*?\]|\([\s\S]*?\)|<[\s\S]*?>|\{[\s\S]*?\})"/.source,
+
+				// q"IDENT
+				// ...
+				// IDENT"
+				/\bq"((?!\d)\w+)$[\s\S]*?^\1"/.source,
+
+				// q"//", q"||", etc.
+				/\bq"(.)[\s\S]*?\2"/.source,
+
+				// Characters
+				// 'a', '\\', '\n', '\xFF', '\377', '\uFFFF', '\U0010FFFF', '\quot'
+				/'(?:\\(?:\W|\w+)|[^\\])'/.source,
 
-		/(["`])(?:\\[\s\S]|(?!\1)[^\\])*\1[cwd]?/
+				/(["`])(?:\\[\s\S]|(?!\3)[^\\])*\3[cwd]?/.source
+			].join('|'), 'm'),
+			greedy: true
+		},
+		{
+			pattern: /\bq\{(?:\{[^{}]*\}|[^{}])*\}/,
+			greedy: true,
+			alias: 'token-string'
+		}
 	],
 
 	'number': [
@@ -31,26 +66,6 @@ Prism.languages.d = Prism.languages.extend('clike', {
 	'operator': /\|[|=]?|&[&=]?|\+[+=]?|-[-=]?|\.?\.\.|=[>=]?|!(?:i[ns]\b|<>?=?|>=?|=)?|\bi[ns]\b|(?:<[<>]?|>>?>?|\^\^|[*\/%^~])=?/
 });
 
-
-Prism.languages.d.comment = [
-	// Shebang
-	/^\s*#!.+/,
-	// /+ +/
-	{
-		// Allow one level of nesting
-		pattern: /(^|[^\\])\/\+(?:\/\+[\s\S]*?\+\/|[\s\S])*?\+\//,
-		lookbehind: true
-	}
-].concat(Prism.languages.d.comment);
-
-Prism.languages.insertBefore('d', 'comment', {
-	'token-string': {
-		// Allow one level of nesting
-		pattern: /\bq\{(?:\{[^}]*\}|[^}])*\}/,
-		alias: 'string'
-	}
-});
-
 Prism.languages.insertBefore('d', 'keyword', {
 	'property': /\B@\w*/
 });
@@ -61,4 +76,4 @@ Prism.languages.insertBefore('d', 'function', {
 		pattern: /\b(?:[ABCD][LHX]|E[ABCD]X|E?(?:BP|SP|DI|SI)|[ECSDGF]S|CR[0234]|DR[012367]|TR[3-7]|X?MM[0-7]|R[ABCD]X|[BS]PL|R[BS]P|[DS]IL|R[DS]I|R(?:[89]|1[0-5])[BWD]?|XMM(?:[89]|1[0-5])|YMM(?:1[0-5]|\d))\b|\bST(?:\([0-7]\)|\b)/,
 		alias: 'variable'
 	}
-});
+});

tests/languages/d/comment_feature.test

@@ -9,6 +9,9 @@ bar +/
 baz +/
 // This q{is} a comment
 // This /* is a */ comment
+/*
+comment
+*/
 
 ----------------------------------------------------
 
@@ -18,10 +21,11 @@ baz +/
 	["comment", "/+ foo\r\nbar +/"],
 	["comment", "/+ foo\r\n\t/+\r\n\tbar +/\r\nbaz +/"],
 	["comment", "// This q{is} a comment"],
-	["comment", "// This /* is a */ comment"]
+	["comment", "// This /* is a */ comment"],
+	["comment", "/*\r\ncomment\r\n*/"]
 ]
 
 ----------------------------------------------------
 
 Checks for shebang and nestable multi-line comments.
-Other comments are tested in clike.
+Other comments are tested in clike.

tests/languages/d/issue2027.test

@@ -0,0 +1,47 @@
+string foo = "It's";
+foo = "It's";
+foo = "It's";
+
+string bar = `It's`;
+bar = `It's`;
+bar = `It's`;
+bar = `It's`;
+
+----------------------------------------------------
+
+[
+	["keyword", "string"],
+	" foo ",
+	["operator", "="],
+	["string", "\"It's\""],
+	["punctuation", ";"],
+	"\r\nfoo ",
+	["operator", "="],
+	["string", "\"It's\""],
+	["punctuation", ";"],
+	"\r\nfoo ",
+	["operator", "="],
+	["string", "\"It's\""],
+	["punctuation", ";"],
+	["keyword", "string"],
+	" bar ",
+	["operator", "="],
+	["string", "`It's`"],
+	["punctuation", ";"],
+	"\r\nbar ",
+	["operator", "="],
+	["string", "`It's`"],
+	["punctuation", ";"],
+	"\r\nbar ",
+	["operator", "="],
+	["string", "`It's`"],
+	["punctuation", ";"],
+	"\r\nbar ",
+	["operator", "="],
+	["string", "`It's`"],
+	["punctuation", ";"]
+]
+
+----------------------------------------------------
+
+Checks for issue #2027 which was about strings not being matched correctly.

tests/languages/d/string_feature.test

@@ -19,19 +19,26 @@ bar/"
 q"|fo"o
 bar|"
 
-'a' '\'' '\u000A'
+'a' '\'' '\\' '\n' '\xFF' '\377' '\uFFFF' '\U0010FFFF' '\quot'
 
 ""
 "foo"c "bar"w "baz"d
 "fo\"o
 bar"
 `foo`
 
+q{foo}
+q{ q{bar} }
+
 ----------------------------------------------------
 
 [
-	["string", "r\"\""], ["string", "x\"\""],
-	["string", "r\"fo\\\"o\"c"], ["string", "x\"00 FBCD\"w"], ["string", "r\"baz\"d"],
+	["string", "r\"\""],
+	["string", "x\"\""],
+
+	["string", "r\"fo\\\"o\"c"],
+	["string", "x\"00 FBCD\"w"],
+	["string", "r\"baz\"d"],
 
 	["string", "q\"[fo\"o\r\nbar]\""],
 	["string", "q\"(fo\"o\r\nbar)\""],
@@ -43,14 +50,27 @@ bar"
 	["string", "q\"/fo\"o\r\nbar/\""],
 	["string", "q\"|fo\"o\r\nbar|\""],
 
-	["string", "'a'"], ["string", "'\\''"], ["string", "'\\u000A'"],
+	["string", "'a'"],
+	["string", "'\\''"],
+	["string", "'\\\\'"],
+	["string", "'\\n'"],
+	["string", "'\\xFF'"],
+	["string", "'\\377'"],
+	["string", "'\\uFFFF'"],
+	["string", "'\\U0010FFFF'"],
+	["string", "'\\quot'"],
 
 	["string", "\"\""],
-	["string", "\"foo\"c"], ["string", "\"bar\"w"], ["string", "\"baz\"d"],
+	["string", "\"foo\"c"],
+	["string", "\"bar\"w"],
+	["string", "\"baz\"d"],
 	["string", "\"fo\\\"o\r\nbar\""],
-	["string", "`foo`"]
+	["string", "`foo`"],
+
+	["string", "q{foo}"],
+	["string", "q{ q{bar} }"]
 ]
 
 ----------------------------------------------------
 
-Checks for strings.
+Checks for strings and token strings.