fix BUG parsing the kicad_pcb (layers ..) declaration section. First non-cu was being dropped.

pcbnew/class_board.h

@@ -89,11 +89,18 @@ enum LAYER_T
  */
 struct LAYER
 {
-    LAYER() :
-        m_type( LT_SIGNAL ),
-        m_visible( true ),
-        m_number( 0 )
-    {}
+    LAYER()
+    {
+        clear();
+    }
+
+    void clear()
+    {
+        m_type    = LT_SIGNAL;
+        m_visible = true;
+        m_number  = 0;
+        m_name.clear();
+    }
 
     /*
     LAYER( const wxString& aName = wxEmptyString,

pcbnew/pcb_parser.cpp

@@ -703,6 +703,8 @@ void PCB_PARSER::parseLayer( LAYER* aLayer ) throw( IO_ERROR, PARSE_ERROR )
     std::string type;
     bool        isVisible = true;
 
+    aLayer->clear();
+
     if( CurTok() != T_LEFT )
         Expecting( T_LEFT );
 
@@ -744,13 +746,12 @@ void PCB_PARSER::parseLayers() throw( IO_ERROR, PARSE_ERROR )
     LSET    visibleLayers;
     LSET    enabledLayers;
     int     copperLayerCount = 0;
+    LAYER   layer;
 
     std::vector<LAYER>  cu;
 
     for( token = NextTok();  token != T_RIGHT;  token = NextTok() )
     {
-        LAYER   layer;
-
         parseLayer( &layer );
 
         if( layer.m_type == LT_UNDEFINED )     // it's a non-copper layer
@@ -794,15 +795,9 @@ void PCB_PARSER::parseLayers() throw( IO_ERROR, PARSE_ERROR )
         copperLayerCount = cu.size();
     }
 
-    if( token != T_RIGHT )
+    // process non-copper layers
+    while( token != T_RIGHT )
     {
-        // read any non-copper layers
-        for( token = NextTok(); token != T_RIGHT;  token = NextTok() )
-        {
-            LAYER   layer;
-
-            parseLayer( &layer );
-
         LAYER_ID_MAP::const_iterator it = m_layerIndices.find( UTF8( layer.m_name ) );
 
         if( it == m_layerIndices.end() )
@@ -825,10 +820,16 @@ void PCB_PARSER::parseLayers() throw( IO_ERROR, PARSE_ERROR )
         if( layer.m_visible )
             visibleLayers.set( layer.m_number );
 
-            //DBG( printf( "aux m_visible:%s\n", layer.m_visible ? "true" : "false" );)
+        // DBG( printf( "aux m_visible:%s\n", layer.m_visible ? "true" : "false" );)
 
-            m_board->SetLayer( LAYER_ID( layer.m_number ), layer );
-        }
+        m_board->SetLayer( it->second, layer );
+
+        token = NextTok();
+
+        if( token != T_LEFT )
+            break;
+
+        parseLayer( &layer );
     }
 
     // We need at least 2 copper layers and there must be an even number of them.