widl: Add support for default_overload attribute.

tools/widl/attribute.c

@@ -153,6 +153,7 @@ struct allowed_attr allowed_attr[] =
     /* ATTR_CUSTOM */              { 0, 0, 1,  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, "custom" },
     /* ATTR_DECODE */              { 0, 0, 0,  1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "decode" },
     /* ATTR_DEFAULT */             { 0, 0, 0,  1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, "default" },
+    /* ATTR_DEFAULT_OVERLOAD */    { 0, 0, 0,  0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "default_overload" },
     /* ATTR_DEFAULTBIND */         { 0, 0, 0,  0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultbind" },
     /* ATTR_DEFAULTCOLLELEM */     { 0, 0, 0,  0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultcollelem" },
     /* ATTR_DEFAULTVALUE */        { 0, 0, 0,  0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "defaultvalue" },

tools/widl/parser.l

@@ -254,6 +254,7 @@ static void winrt_enable( int ns_prefix )
     control                                     { return tCONTROL; }
     custom                                      { return tCUSTOM; }
     decode                                      { return tDECODE; }
+    default_overload                            { return tDEFAULT_OVERLOAD; }
     defaultbind                                 { return tDEFAULTBIND; }
     defaultcollelem                             { return tDEFAULTCOLLELEM; }
     defaultvalue                                { return tDEFAULTVALUE; }

tools/widl/parser.y

@@ -196,6 +196,7 @@ void pop_import( PARSER_LTYPE *yylloc );
 %token tDECLARE
 %token tDECODE tDEFAULT tDEFAULTBIND
 %token tDELEGATE
+%token tDEFAULT_OVERLOAD
 %token tDEFAULTCOLLELEM
 %token tDEFAULTVALUE
 %token tDEFAULTVTABLE
@@ -662,6 +663,7 @@ attribute
                                                 }
         | tDECODE                               { $$ = attr_int( @$, ATTR_DECODE, 0 ); }
         | tDEFAULT                              { $$ = attr_int( @$, ATTR_DEFAULT, 0 ); }
+        | tDEFAULT_OVERLOAD                     { $$ = attr_int( @$, ATTR_DEFAULT_OVERLOAD, 0 ); }
         | tDEFAULTBIND                          { $$ = attr_int( @$, ATTR_DEFAULTBIND, 0 ); }
         | tDEFAULTCOLLELEM                      { $$ = attr_int( @$, ATTR_DEFAULTCOLLELEM, 0 ); }
         | tDEFAULTVALUE '(' expr_const ')'      { $$ = attr_ptr( @$, ATTR_DEFAULTVALUE, $3 ); }

tools/widl/widltypes.h

@@ -92,6 +92,7 @@ enum attr_type
     ATTR_CUSTOM,
     ATTR_DECODE,
     ATTR_DEFAULT,
+    ATTR_DEFAULT_OVERLOAD,
     ATTR_DEFAULTBIND,
     ATTR_DEFAULTCOLLELEM,
     ATTR_DEFAULTVALUE,

tools/widl/write_msft.c

@@ -1418,6 +1418,7 @@ static int add_func_desc(msft_typeinfo_t* typeinfo, var_t *func, int index)
             break;
         case ATTR_OUT:
             break;
+        case ATTR_DEFAULT_OVERLOAD:
         case ATTR_OVERLOAD:
             break;
         case ATTR_PROPGET: