toml: Probably fixed the remaining memleak

Memleak occured in the lexer, because we didn't invoke yylex_destroy() after finishing lexing, leaving some internal buffers allocated.

src/plugins/toml/README.md

@@ -5,7 +5,7 @@
 - infos/needs = null base64 directoryvalue
 - infos/recommends = type
 - infos/placements = getstorage setstorage
-- infos/status = experimental memleak unfinished nodoc
+- infos/status = experimental unfinished nodoc
 - infos/metadata = order comment/# comment/#/start comment/#/space type tomltype origvalue
 - infos/description = This storage plugin reads and writes TOML files, using Flex and Bison.
 

src/plugins/toml/driver.c

@@ -118,6 +118,7 @@ static int driverParse (Driver * driver)
 	}
 	initializeLexer (file);
 	int yyResult = yyparse (driver);
+	clearLexer ();
 	fclose (file);
 	return driver->errorSet == true || yyResult != 0;
 }

src/plugins/toml/lexer.l

@@ -232,6 +232,11 @@ void initializeLexer(FILE * file) {
 	// yyin = file;
 }
 
+void clearLexer(void) {
+	// yy_delete_buffer(YY_CURRENT_BUFFER);
+	yylex_destroy();
+}
+
 static inline bool validAscii (char c)
 {
 	return c == '\t' || (c >= 0x20 && c <= 0x7E);

src/plugins/toml/write.c

@@ -233,8 +233,10 @@ static int writeTree (Node * node, Writer * writer)
 				result |= fputc (' ', writer->f) == EOF;
 			}
 		}
-		ELEKTRA_ASSERT (node->type == NT_LEAF || node->type == NT_ARRAY || NT_INLINE_TABLE,
-				"Invalid type of list element, only NT_LEAF, NT_ARRAY or NT_INLINE_TABLE expected, but found other");
+		ELEKTRA_ASSERT (node->type == NT_LEAF || node->type == NT_ARRAY || node->type == NT_INLINE_TABLE ||
+					node->type == NT_LIST_ELEMENT,
+				"Invalid type of list element, only NT_LEAF, NT_ARRAY or NT_INLINE_TABLE expected, but found other: %d",
+				node->type);
 		result |= writeInlineComment (comments, true, writer);
 	}
 	else