Add pass statement just for compatibility.

compiler.c

@@ -1625,6 +1625,8 @@ static void statement() {
 			breakStatement();
 		} else if (match(TOKEN_CONTINUE)) {
 			continueStatement();
+		} else if (match(TOKEN_PASS)) {
+			/* Do nothing. */
 		} else {
 			expressionStatement();
 		}

modules/syntax/highlighter.krk

@@ -22,7 +22,7 @@ let FLAG_ESCAPE    = 13
 let keywords = [
     'and','class','def','else','export','for','if','in','import','let','not',
     'or','return','while','try','except','raise','continue','break','as','from',
-    'elif', 'lambda'
+    'elif', 'lambda', 'pass',
 ]
 
 let types = [

rline.c

@@ -535,6 +535,7 @@ char * syn_krk_keywords[] = {
 	"and","class","def","else","for","if","in","import","del",
 	"let","not","or","return","while","try","except","raise",
 	"continue","break","as","from","elif","lambda","with","is",
+	"pass",
 	NULL
 };
 

scanner.c

@@ -234,6 +234,7 @@ static KrkTokenType identifierType() {
 		case 'n': return checkKeyword(1, "ot", TOKEN_NOT);
 		case 'N': return checkKeyword(1, "one", TOKEN_NONE);
 		case 'o': return checkKeyword(1, "r", TOKEN_OR);
+		case 'p': return checkKeyword(1, "ass", TOKEN_PASS);
 		case 'r': if (MORE(1)) switch (scanner.start[1]) {
 			case 'e': return checkKeyword(2, "turn", TOKEN_RETURN);
 			case 'a': return checkKeyword(2, "ise", TOKEN_RAISE);

scanner.h

@@ -55,6 +55,7 @@ typedef enum {
 	TOKEN_NOT,
 	TOKEN_OR,
 	TOKEN_ELIF,
+	TOKEN_PASS,
 	TOKEN_RETURN,
 	TOKEN_SELF,
 	TOKEN_SUPER,