C: Better class name and macro name detection (#2585)

components/prism-c.js

@@ -4,7 +4,7 @@ Prism.languages.c = Prism.languages.extend('clike', {
 		greedy: true
 	},
 	'class-name': {
-		pattern: /(\b(?:enum|struct)\s+(?:__attribute__\s*\(\([\s\S]*?\)\)\s*)?)\w+/,
+		pattern: /(\b(?:enum|struct)\s+(?:__attribute__\s*\(\([\s\S]*?\)\)\s*)?)\w+|\b[a-z]\w*_t\b/,
 		lookbehind: true
 	},
 	'keyword': /\b(?:__attribute__|_Alignas|_Alignof|_Atomic|_Bool|_Complex|_Generic|_Imaginary|_Noreturn|_Static_assert|_Thread_local|asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while)\b/,
@@ -31,6 +31,17 @@ Prism.languages.insertBefore('c', 'string', {
 				Prism.languages.c['string']
 			],
 			'comment': Prism.languages.c['comment'],
+			'macro-name': [
+				{
+					pattern: /(^#\s*define\s+)\w+\b(?!\()/i,
+					lookbehind: true
+				},
+				{
+					pattern: /(^#\s*define\s+)\w+\b(?=\()/i,
+					lookbehind: true,
+					alias: 'function'
+				}
+			],
 			// highlight macro directives as keywords
 			'directive': {
 				pattern: /^(#\s*)[a-z]+/,

tests/languages/c/class-name_feature.test

@@ -1,16 +1,22 @@
-struct foo
-enum bar
+struct foo;
+enum bar;
 
 struct foo var;
 struct __attribute__ ((aligned (8))) S { short f[3]; };
 
+// by name
+uint32_t foo;
+static dtrace_helptrace_t *bar;
+
 ----------------------------------------------------
 
 [
 	["keyword", "struct"],
 	["class-name", "foo"],
+	["punctuation", ";"],
 	["keyword", "enum"],
 	["class-name", "bar"],
+	["punctuation", ";"],
 
 	["keyword", "struct"],
 	["class-name", "foo"],
@@ -35,9 +41,19 @@ struct __attribute__ ((aligned (8))) S { short f[3]; };
 	["punctuation", "]"],
 	["punctuation", ";"],
 	["punctuation", "}"],
+	["punctuation", ";"],
+
+	["comment", "// by name"],
+	["class-name", "uint32_t"],
+	" foo",
+	["punctuation", ";"],
+	["keyword", "static"],
+	["class-name", "dtrace_helptrace_t"],
+	["operator", "*"],
+	"bar",
 	["punctuation", ";"]
 ]
 
 ----------------------------------------------------
 
-Checks for structs and enums.
+Checks for structs and enums.

tests/languages/c/macro_feature.test

@@ -24,6 +24,7 @@
 */ 1
 
 #define FOO 1 // trailing comment
+#define FOO (1 + 1)
 
 #define MAX(a, b) \
 	((a) < (b) ? (b) : (a))
@@ -46,8 +47,8 @@
 	["macro", [
 		["directive-hash", "#"],
 		["directive", "define"],
+		["macro-name", "PG_locked"],
 		["expression", [
-			"PG_locked ",
 			["number", "0"]
 		]]
 	]],
@@ -117,9 +118,7 @@
 	["macro", [
 		["directive-hash", "#"],
 		["directive", "define"],
-		["expression", [
-			"FOO "
-		]],
+		["macro-name", "FOO"],
 		["comment", "/*\r\n comment\r\n*/"],
 		["expression", [
 			["number", "1"]
@@ -129,18 +128,30 @@
 	["macro", [
 		["directive-hash", "#"],
 		["directive", "define"],
+		["macro-name", "FOO"],
 		["expression", [
-			"FOO ",
 			["number", "1"]
 		]],
 		["comment", "// trailing comment"]
 	]],
+	["macro", [
+		["directive-hash", "#"],
+		["directive", "define"],
+		["macro-name", "FOO"],
+		["expression", [
+			["punctuation", "("],
+			["number", "1"],
+			["operator", "+"],
+			["number", "1"],
+			["punctuation", ")"]
+		]]
+	]],
 
 	["macro", [
 		["directive-hash", "#"],
 		["directive", "define"],
+		["macro-name", "MAX"],
 		["expression", [
-			["function", "MAX"],
 			["punctuation", "("],
 			"a",
 			["punctuation", ","],
@@ -172,8 +183,8 @@
 	["macro", [
 		["directive-hash", "#"],
 		["directive", "define"],
+		["macro-name", "BAR"],
 		["expression", [
-			["function", "BAR"],
 			["punctuation", "("],
 			"s",
 			["punctuation", ")"],
@@ -188,4 +199,4 @@
 
 ----------------------------------------------------
 
-Checks for macros and paths inside include statements.
+Checks for macros and paths inside include statements.

tests/languages/opencl/builtin-type_feature.test

@@ -0,0 +1,71 @@
+_cl_command_queue
+_cl_context
+_cl_device_id
+_cl_event
+_cl_kernel
+_cl_mem
+_cl_platform_id
+_cl_program
+_cl_sampler
+cl_image_format
+cl_mem_fence_flags
+clk_event_t
+event_t
+image1d_array_t
+image1d_buffer_t
+image1d_t
+image2d_array_depth_t
+image2d_array_msaa_depth_t
+image2d_array_msaa_t
+image2d_array_t
+image2d_depth_t
+image2d_msaa_depth_t
+image2d_msaa_t
+image2d_t
+image3d_t
+intptr_t
+ndrange_t
+ptrdiff_t
+queue_t
+reserve_id_t
+sampler_t
+size_t
+uintptr_t
+
+----------------------------------------------------
+
+[
+	["builtin-type", "_cl_command_queue"],
+	["builtin-type", "_cl_context"],
+	["builtin-type", "_cl_device_id"],
+	["builtin-type", "_cl_event"],
+	["builtin-type", "_cl_kernel"],
+	["builtin-type", "_cl_mem"],
+	["builtin-type", "_cl_platform_id"],
+	["builtin-type", "_cl_program"],
+	["builtin-type", "_cl_sampler"],
+	["builtin-type", "cl_image_format"],
+	["builtin-type", "cl_mem_fence_flags"],
+	["builtin-type", "clk_event_t"],
+	["builtin-type", "event_t"],
+	["builtin-type", "image1d_array_t"],
+	["builtin-type", "image1d_buffer_t"],
+	["builtin-type", "image1d_t"],
+	["builtin-type", "image2d_array_depth_t"],
+	["builtin-type", "image2d_array_msaa_depth_t"],
+	["builtin-type", "image2d_array_msaa_t"],
+	["builtin-type", "image2d_array_t"],
+	["builtin-type", "image2d_depth_t"],
+	["builtin-type", "image2d_msaa_depth_t"],
+	["builtin-type", "image2d_msaa_t"],
+	["builtin-type", "image2d_t"],
+	["builtin-type", "image3d_t"],
+	["builtin-type", "intptr_t"],
+	["builtin-type", "ndrange_t"],
+	["builtin-type", "ptrdiff_t"],
+	["builtin-type", "queue_t"],
+	["builtin-type", "reserve_id_t"],
+	["builtin-type", "sampler_t"],
+	["builtin-type", "size_t"],
+	["builtin-type", "uintptr_t"]
+]