Reimplement the searching for procedure names

Author: edukisto

components/prism-odin.js

@@ -64,15 +64,32 @@
 			alias: 'keyword'
 		},
 
-		'boolean': /\b(?:false|nil|true)\b/,
+		/**
+		 * proc is defined below.
+		 */
+		'keyword': /\b(?:asm|auto_cast|bit_set|break|case|cast|context|continue|defer|distinct|do|dynamic|else|enum|fallthrough|for|foreign|if|import|in|map|matrix|not_in|or_else|or_return|package|return|struct|switch|transmute|typeid|union|using|when|where)\b/,
 
-		'keyword': /\b(?:asm|auto_cast|bit_set|break|case|cast|context|continue|defer|distinct|do|dynamic|else|enum|fallthrough|for|foreign|if|import|in|map|matrix|not_in|or_else|or_return|package|proc|return|struct|switch|transmute|typeid|union|using|when|where)\b/,
+		/**
+		 * false, nil, true can be used as procedure names. "_" and keywords can't.
+		 */
+		'procedure-name': [
+			{
+				pattern: /\b\w+(?=[ \t]*(?::[ \n\r\t]*){2}proc\b)/,
+				alias: 'function'
+			},
+			{
+				pattern: /\b\w+(?=[ \t]*\()/,
+				alias: 'function'
+			}
+		],
 
 		'procedure': {
-			pattern: /\b\w+(?=[ \t]*\()/,
-			alias: 'function'
+			pattern: /\bproc\b/,
+			alias: 'keyword'
 		},
 
+		'boolean': /\b(?:false|nil|true)\b/,
+
 		'constant-parameter-sign': {
 			pattern: /\$/,
 			alias: 'important'

components/prism-odin.min.js

@@ -64,7 +64,7 @@ where
 	["keyword", "or_else"],
 	["keyword", "or_return"],
 	["keyword", "package"],
-	["keyword", "proc"],
+	["procedure", "proc"],
 	["keyword", "return"],
 	["keyword", "struct"],
 	["keyword", "switch"],

tests/languages/odin/keyword_feature.test

@@ -0,0 +1,11 @@
+do_math()
+fibonacci()
+log10()
+
+----------------------------------------------------
+
+[
+	["procedure-name", "do_math"], ["punctuation", "("], ["punctuation", ")"],
+	["procedure-name", "fibonacci"], ["punctuation", "("], ["punctuation", ")"],
+	["procedure-name", "log10"], ["punctuation", "("], ["punctuation", ")"]
+]