Add elseif docs and syntax highlighter

src/syntax/lexer/token/mod.rs

@@ -213,7 +213,7 @@ pub enum TokenKind {
 
 impl TokenKind {
 	/// Check if the token terminates a statement block.
-	/// Currently, only the END and ELSE keywords do that.
+	/// Currently, only the END, ELSE and ELSEIF keywords do that.
 	pub fn is_block_terminator(&self) -> bool {
 		matches!(
 			self,

src/syntax/parser/mod.rs

@@ -216,7 +216,7 @@ where
 	}
 
 
-	/// Parse a block of statements, stopping when ELSE, END of EOF are reached, or after a
+	/// Parse a block of statements, stopping when ELSE, ELSEIF, END of EOF are reached, or after a
 	/// return is parsed. The Lua-like grammar requires stopping after such conditions.
 	/// This method synchronizes on all errors, producing an empty block if no statements
 	/// can be parsed.

syntax-highlight/emacs/hush-mode.el

@@ -6,7 +6,7 @@
 ;;                    hush-mode-map))
 
 (defvar hush-keywords
-  '("let" "if" "then" "else" "end" "for" "in" "do" "while" "function" "return"
+  '("let" "if" "then" "else" "elseif" "end" "for" "in" "do" "while" "function" "return"
     "not" "and" "or" "true" "false" "nil" "break" "self"))
 
 (defvar hush-mode-syntax-table

syntax-highlight/pygments/lexer/hush.py

@@ -45,7 +45,7 @@ class HushLexer(RegexLexer):
             (r'[\[\]().,:;]|@\[', Punctuation),
             (r'(and|or|not)\b', Operator.Word),
 
-            (r'(break|self|do|else|end|for|if|in|return|then|while)\b', Keyword.Reserved),
+            (r'(break|self|do|else|elseif|end|for|if|in|return|then|while)\b', Keyword.Reserved),
             (r'(let)\b', Keyword.Declaration),
             (r'(true|false|nil)\b', Keyword.Constant),
 

syntax-highlight/vscode/syntaxes/hush.tmLanguage.json

@@ -83,7 +83,7 @@
 			"include": "#comment"
 		},
 		{
-			"match": "\\b(if|then|else|end|for|in|do|while|break|return)\\b",
+			"match": "\\b(if|then|else|elseif|end|for|in|do|while|break|return)\\b",
 			"name": "keyword.control.hush"
 		},
 		{