Merge pull request #3 from wamckee/master

Memory leaks in mc_parser.yy

Author: jonathan-beard

mc_parser.yy

@@ -45,18 +45,30 @@
 %token <sval> NEWLINE
 %token <sval> CHAR
 
+%type <sval> object
+
+%destructor { delete( $$ ); } UPPER LOWER WORD NEWLINE CHAR
+
 
 %%
-S     :  S UPPER     { driver.add_upper(); }
-      |  S LOWER     { driver.add_lower(); }
-      |  S WORD      { driver.add_word( *$2 ); delete( $2 ); }
-      |  S NEWLINE   { driver.add_newline(); }
-      |  S CHAR      { driver.add_char(); }
-      |  UPPER       { driver.add_upper(); }
-      |  LOWER       { driver.add_lower(); }
-      |  WORD        { driver.add_word( *$1 ); delete( $1 ); }
-      |  NEWLINE     { driver.add_newline(); }
-      |  CHAR        { driver.add_char(); }
+
+list_option : END | list END;
+
+list
+  : object
+  | list object
+  ;
+
+object : item { delete( $$ ); }
+
+item
+  : UPPER   { driver.add_upper(); }
+  | LOWER   { driver.add_lower(); }
+  | WORD    { driver.add_word( *$1 ); }
+  | NEWLINE { driver.add_newline(); }
+  | CHAR    { driver.add_char(); }
+  ;
+
 %%