Changeset ba61cd9 for libcfa

Timestamp:

Aug 31, 2021, 1:49:09 AM (3 years ago)

Author:

Jacob Prud'homme <jafprudhomme@…>

Branches:

ADT, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, pthread-emulation, qualifiedEnum

Children:

45729a8

Parents:

02a22a2

git-author:

Jacob Prud'homme <jafprudhomme@…> (07/27/21 12:40:01)

git-committer:

Jacob Prud'homme <jafprudhomme@…> (08/31/21 01:49:09)

Message:

Added string builder-like struct

File:

• libcfa/src/parseconfig.cfa (modified) (1 diff)

libcfa/src/parseconfig.cfa

@@ -55 +55 @@
 }
 
+
+struct StringBuilder {
+        int size, max_size;
+        * char string;
+};
+void ?{}( StringBuilder & sb ) with ( sb ) {                            // default constructor
+        size = 1; max_size = 1; string = alloc( 1 );
+        string[0] = '\0';
+}
+void ?{}( StringBuilder & sb, int size ) {                                      // initialization
+        sb.[ size, max_size ] = [ 1, size+1 ];
+        sb.string = alloc( size );
+        sb.string[0] = '\0';
+}
+void ^?{}( StringBuilder & sb ) with ( sb ) {                           // destructor
+        free( string );
+        size = 0; max_size = 0; string = 0p;
+}
+
+void add_char( StringBuilder & sb, char c ) with ( sb ) {
+        if ( size == max_size ) {
+                max_size *= 2;
+                string = resize( string, max_size );
+        }
+
+        string[size-1] = c;
+        string[size] = '\0';
+        ++size;
+}
+
+
 bool comments( ifstream & in, char * name ) {
+        StringBuilder sb;
+
+        char c;
         while () {
-                in | name;
-          if ( fail( in ) ) return true;
-          if ( name[0] != '#' ) break;
+                in | c;
+                add_char( sb, c );
+
+                if ( fail( in ) ) {
+                        name = alloc( sb.size );
+                        strcpy( name, sb.string );
+
+                        return true;
+                }
+          if ( c != '#' ) break;
                 in | nl;        // ignore remainder of line
         } // for
+
+        name = alloc( sb.size );
+        strcpy( name, sb.string );
+
         return false;
 } // comments