Java: Improved generics (#2812)

PrismJS · Apr 3, 2021 · 4ec7535 · 4ec7535
1 parent 5bc405e
commit 4ec7535
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Showing 3 changed files with 168 additions and 36 deletions.
diff --git a/components/prism-java.js b/components/prism-java.js
@@ -62,7 +62,7 @@
 			alias: 'punctuation'
 		},
 		'generics': {
-			pattern: /<(?:[\w\s,.&?]|<(?:[\w\s,.&?]|<(?:[\w\s,.&?]|<[\w\s,.&?]*>)*>)*>)*>/,
+			pattern: /<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&)|<(?:[\w\s,.?]|&(?!&))*>)*>)*>)*>/,
 			inside: {
 				'class-name': className,
 				'keyword': keywords,

diff --git a/components/prism-java.min.js b/components/prism-java.min.js
diff --git a/tests/languages/java/generics_feature.test b/tests/languages/java/generics_feature.test
@@ -2,19 +2,30 @@ public class Solo<T extends com.foo.Foo.Bar> {}
 Solo<Integer> val = new Solo<>();
 Duo<Double, Character> dual = new Duo<Double, Character>(12.2585, 'C');
 
+List<?> list
+List<? extends Number> nums = ints;
+List<? super Integer> list
+Entry<String, String> pair = Entry.<String>twice("Hello");
+
+public class Entry<KeyType, ValueType> {}
+class D <T extends A & B & C> {}
+
+public <T extends Throwable> void throwMeConditional(boolean conditional, T exception) throws T {}
+
+<T> T instantiateElementType(List<T> arg) {}
+
+// not generics
+if (a<6&&b>6){}
+
 ----------------------------------------------------
 
 [
 	["keyword", "public"],
 	["keyword", "class"],
-	["class-name", [
-		"Solo"
-	]],
+	["class-name", ["Solo"]],
 	["generics", [
 		["punctuation", "<"],
-		["class-name", [
-			"T"
-		]],
+		["class-name", ["T"]],
 		["keyword", "extends"],
 		["class-name", [
 			["namespace", [
@@ -32,22 +43,16 @@ Duo<Double, Character> dual = new Duo<Double, Character>(12.2585, 'C');
 	["punctuation", "{"],
 	["punctuation", "}"],
 
-	["class-name", [
-		"Solo"
-	]],
+	["class-name", ["Solo"]],
 	["generics", [
 		["punctuation", "<"],
-		["class-name", [
-			"Integer"
-		]],
+		["class-name", ["Integer"]],
 		["punctuation", ">"]
 	]],
 	" val ",
 	["operator", "="],
 	["keyword", "new"],
-	["class-name", [
-		"Solo"
-	]],
+	["class-name", ["Solo"]],
 	["generics", [
 		["punctuation", "<"],
 		["punctuation", ">"]
@@ -56,43 +61,170 @@ Duo<Double, Character> dual = new Duo<Double, Character>(12.2585, 'C');
 	["punctuation", ")"],
 	["punctuation", ";"],
 
-	["class-name", [
-		"Duo"
-	]],
+	["class-name", ["Duo"]],
 	["generics", [
 		["punctuation", "<"],
-		["class-name", [
-			"Double"
-		]],
+		["class-name", ["Double"]],
 		["punctuation", ","],
-		["class-name", [
-			"Character"
-		]],
+		["class-name", ["Character"]],
 		["punctuation", ">"]
 	]],
 	" dual ",
 	["operator", "="],
 	["keyword", "new"],
-	["class-name", [
-		"Duo"
-	]],
+	["class-name", ["Duo"]],
 	["generics", [
 		["punctuation", "<"],
-		["class-name", [
-			"Double"
-		]],
+		["class-name", ["Double"]],
 		["punctuation", ","],
-		["class-name", [
-			"Character"
-		]],
+		["class-name", ["Character"]],
 		["punctuation", ">"]
 	]],
 	["punctuation", "("],
 	["number", "12.2585"],
 	["punctuation", ","],
 	["string", "'C'"],
 	["punctuation", ")"],
-	["punctuation", ";"]
+	["punctuation", ";"],
+
+	["class-name", ["List"]],
+	["generics", [
+		["punctuation", "<"],
+		["operator", "?"],
+		["punctuation", ">"]
+	]],
+	" list\r\n",
+
+	["class-name", ["List"]],
+	["generics", [
+		["punctuation", "<"],
+		["operator", "?"],
+		["keyword", "extends"],
+		["class-name", ["Number"]],
+		["punctuation", ">"]
+	]],
+	" nums ",
+	["operator", "="],
+	" ints",
+	["punctuation", ";"],
+
+	["class-name", ["List"]],
+	["generics", [
+		["punctuation", "<"],
+		["operator", "?"],
+		["keyword", "super"],
+		["class-name", ["Integer"]],
+		["punctuation", ">"]
+	]],
+	" list\r\n",
+
+	["class-name", ["Entry"]],
+	["generics", [
+		["punctuation", "<"],
+		["class-name", ["String"]],
+		["punctuation", ","],
+		["class-name", ["String"]],
+		["punctuation", ">"]
+	]],
+	" pair ",
+	["operator", "="],
+	["class-name", ["Entry"]],
+	["punctuation", "."],
+	["generics", [
+		["punctuation", "<"],
+		["class-name", ["String"]],
+		["punctuation", ">"]
+	]],
+	["function", "twice"],
+	["punctuation", "("],
+	["string", "\"Hello\""],
+	["punctuation", ")"],
+	["punctuation", ";"],
+
+	["keyword", "public"],
+	["keyword", "class"],
+	["class-name", ["Entry"]],
+	["generics", [
+		["punctuation", "<"],
+		["class-name", ["KeyType"]],
+		["punctuation", ","],
+		["class-name", ["ValueType"]],
+		["punctuation", ">"]
+	]],
+	["punctuation", "{"],
+	["punctuation", "}"],
+
+	["keyword", "class"],
+	["class-name", ["D"]],
+	["generics", [
+		["punctuation", "<"],
+		["class-name", ["T"]],
+		["keyword", "extends"],
+		["class-name", ["A"]],
+		["operator", "&"],
+		["class-name", ["B"]],
+		["operator", "&"],
+		["class-name", ["C"]],
+		["punctuation", ">"]
+	]],
+	["punctuation", "{"],
+	["punctuation", "}"],
+
+	["keyword", "public"],
+	["generics", [
+		["punctuation", "<"],
+		["class-name", ["T"]],
+		["keyword", "extends"],
+		["class-name", ["Throwable"]],
+		["punctuation", ">"]
+	]],
+	["keyword", "void"],
+	["function", "throwMeConditional"],
+	["punctuation", "("],
+	["keyword", "boolean"],
+	" conditional",
+	["punctuation", ","],
+	["class-name", ["T"]],
+	" exception",
+	["punctuation", ")"],
+	["keyword", "throws"],
+	["class-name", ["T"]],
+	["punctuation", "{"],
+	["punctuation", "}"],
+
+	["generics", [
+		["punctuation", "<"],
+		["class-name", ["T"]],
+		["punctuation", ">"]
+	]],
+	["class-name", ["T"]],
+	["function", "instantiateElementType"],
+	["punctuation", "("],
+	["class-name", ["List"]],
+	["generics", [
+		["punctuation", "<"],
+		["class-name", ["T"]],
+		["punctuation", ">"]
+	]],
+	" arg",
+	["punctuation", ")"],
+	["punctuation", "{"],
+	["punctuation", "}"],
+
+	["comment", "// not generics"],
+
+	["keyword", "if"],
+	["punctuation", "("],
+	"a",
+	["operator", "<"],
+	["number", "6"],
+	["operator", "&&"],
+	"b",
+	["operator", ">"],
+	["number", "6"],
+	["punctuation", ")"],
+	["punctuation", "{"],
+	["punctuation", "}"]
 ]
 
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