Ejemplo n.º 1
0
func CForwardDeclaration30(bi *gi.BaseInfo) {
	fullnm := strings.ToLower(bi.Namespace()) + "." + bi.Name()

	switch bi.Type() {
	case gi.INFO_TYPE_STRUCT:
		si := gi.ToStructInfo(bi)
		size := si.Size()
		if _, ok := GConfig.Sys.DisguisedTypes[fullnm]; ok {
			return
		}
		cctype := CTypeForInterface(bi, TypeNone)
		if size == 0 {
			printf("struct _%s {};\n", cctype)
		} else {
			printf("struct _%s { uint8_t _data[%d]; };\n", cctype, size)
		}
	case gi.INFO_TYPE_UNION:
		ui := gi.ToUnionInfo(bi)
		size := ui.Size()
		cctype := CTypeForInterface(bi, TypeNone)
		if size == 0 {
			printf("struct _%s {};\n", cctype)
		} else {
			printf("struct _%s { uint8_t _data[%d]; };\n", cctype, size)
		}
	}
}
Ejemplo n.º 2
0
func (this *binding_generator) c_forward_declaration30(bi *gi.BaseInfo) {
	p := printer_to(this.out_h)
	fullnm := strings.ToLower(bi.Namespace()) + "." + bi.Name()

	switch bi.Type() {
	case gi.INFO_TYPE_STRUCT:
		si := gi.ToStructInfo(bi)
		size := si.Size()
		if config.is_disguised(fullnm) {
			return
		}
		cctype := c_type_for_interface(bi, type_none)
		if size == 0 {
			p("struct _%s {};\n", cctype)
		} else {
			p("struct _%s { uint8_t _data[%d]; };\n", cctype, size)
		}
	case gi.INFO_TYPE_UNION:
		ui := gi.ToUnionInfo(bi)
		size := ui.Size()
		cctype := c_type_for_interface(bi, type_none)
		if size == 0 {
			p("struct _%s {};\n", cctype)
		} else {
			p("struct _%s { uint8_t _data[%d]; };\n", cctype, size)
		}
	}
}
Ejemplo n.º 3
0
func CForwardDeclaration10(bi *gi.BaseInfo) {
	switch bi.Type() {
	case gi.INFO_TYPE_OBJECT:
		cctype := CTypeForInterface(bi, TypeNone)
		printf("typedef struct _%s %s;\n", cctype, cctype)
	case gi.INFO_TYPE_FLAGS, gi.INFO_TYPE_ENUM:
		ei := gi.ToEnumInfo(bi)
		printf("typedef %s %s;\n", CTypeForTag(ei.StorageType(), TypeNone),
			CTypeForInterface(bi, TypeNone))
	case gi.INFO_TYPE_STRUCT, gi.INFO_TYPE_INTERFACE, gi.INFO_TYPE_UNION:
		fullnm := strings.ToLower(bi.Namespace()) + "." + bi.Name()
		cctype := CTypeForInterface(bi, TypeNone)
		if _, ok := GConfig.Sys.DisguisedTypes[fullnm]; ok {
			printf("typedef void *%s;\n", cctype)
		} else {
			printf("typedef struct _%s %s;\n", cctype, cctype)
		}
	case gi.INFO_TYPE_CALLBACK:
		ctype := CTypeForInterface(bi, TypeNone)
		// type doesn't matter here, it's just a pointer after all
		printf("typedef void* %s;\n", ctype)
		// also generate wrapper declarations
		printf("extern void _%s_c_wrapper();\n", ctype)
		printf("extern void _%s_c_wrapper_once();\n", ctype)
	}
}
Ejemplo n.º 4
0
func (this *binding_generator) c_forward_declaration10(bi *gi.BaseInfo) {
	p := printer_to(this.out_h)
	switch bi.Type() {
	case gi.INFO_TYPE_OBJECT:
		cctype := c_type_for_interface(bi, type_none)
		p("typedef struct _%s %s;\n", cctype, cctype)
	case gi.INFO_TYPE_FLAGS, gi.INFO_TYPE_ENUM:
		ei := gi.ToEnumInfo(bi)
		p("typedef %s %s;\n", c_type_for_tag(ei.StorageType(), type_none),
			c_type_for_interface(bi, type_none))
	case gi.INFO_TYPE_STRUCT, gi.INFO_TYPE_INTERFACE, gi.INFO_TYPE_UNION:
		fullnm := strings.ToLower(bi.Namespace()) + "." + bi.Name()
		cctype := c_type_for_interface(bi, type_none)
		if config.is_disguised(fullnm) {
			p("typedef void *%s;\n", cctype)
		} else {
			p("typedef struct _%s %s;\n", cctype, cctype)
		}
	case gi.INFO_TYPE_CALLBACK:
		pc := printer_to(this.out_c)
		ctype := c_type_for_interface(bi, type_none)

		// type doesn't matter here, it's just a pointer after all
		p("typedef void* %s;\n", ctype)

		// and wrapper declarations for .c file only (cgo has problems
		// with that)
		pc("extern void _%s_c_wrapper();\n", ctype)
		pc("extern void _%s_c_wrapper_once();\n", ctype)
	}
}
Ejemplo n.º 5
0
func CgoToGoForInterface(bi *gi.BaseInfo, arg1, arg2 string, flags ConvFlags) string {
	var out bytes.Buffer
	printf := PrinterTo(&out)

	switch bi.Type() {
	case gi.INFO_TYPE_OBJECT, gi.INFO_TYPE_INTERFACE:
		gotype := GoTypeForInterface(bi, TypeReturn)
		if flags&ConvOwnEverything != 0 {
			printf("%s = (*%s)(%sObjectWrap(unsafe.Pointer(%s), false))",
				arg2, gotype, Config.Sys.GNS, arg1)
		} else {
			printf("%s = (*%s)(%sObjectWrap(unsafe.Pointer(%s), true))",
				arg2, gotype, Config.Sys.GNS, arg1)
		}
	case gi.INFO_TYPE_ENUM, gi.INFO_TYPE_FLAGS:
		gotype := GoTypeForInterface(bi, TypeReturn)
		printf("%s = %s(%s)", arg2, gotype, arg1)
	case gi.INFO_TYPE_STRUCT, gi.INFO_TYPE_UNION:
		ns := bi.Namespace()
		if ns == "cairo" {
			printf(CairoCgoToGoForInterface(bi, arg1, arg2, flags))
			break
		}

		fullnm := strings.ToLower(ns) + "." + bi.Name()
		gotype := GoTypeForInterface(bi, TypeReturn)

		if flags&ConvListMember != 0 {
			printf("%s = *(*%s)(unsafe.Pointer(%s))",
				arg2, gotype, arg1)
			break
		}

		if _, ok := GConfig.Sys.DisguisedTypes[fullnm]; ok {
			printf("%s = %s{unsafe.Pointer(%s)}",
				arg2, gotype, arg1)
			break
		}

		if flags&ConvPointer != 0 {
			printf("%s = (*%s)(unsafe.Pointer(%s))",
				arg2, gotype, arg1)
		} else {
			printf("%s = *(*%s)(unsafe.Pointer(&%s))",
				arg2, gotype, arg1)
		}
	}
	return out.String()
}
Ejemplo n.º 6
0
func c_type_for_interface(bi *gi.BaseInfo, flags type_flags) string {
	var out bytes.Buffer

	ns := bi.Namespace()
	nm := bi.Name()
	fullnm := strings.ToLower(ns) + "." + nm
	out.WriteString(gi.DefaultRepository().CPrefix(ns))
	out.WriteString(bi.Name())

	if flags&type_pointer != 0 && !config.is_disguised(fullnm) {
		out.WriteString("*")
	}

	return out.String()
}
Ejemplo n.º 7
0
func CTypeForInterface(bi *gi.BaseInfo, flags TypeFlags) string {
	var out bytes.Buffer

	ns := bi.Namespace()
	nm := bi.Name()
	fullnm := strings.ToLower(ns) + "." + nm
	out.WriteString(gi.DefaultRepository().CPrefix(ns))
	out.WriteString(bi.Name())

	_, disguised := GConfig.Sys.DisguisedTypes[fullnm]
	if flags&TypePointer != 0 && !disguised {
		out.WriteString("*")
	}

	return out.String()
}
Ejemplo n.º 8
0
func cgo_type_for_interface(bi *gi.BaseInfo, flags type_flags) string {
	var out bytes.Buffer

	switch bi.Type() {
	case gi.INFO_TYPE_CALLBACK:
		out.WriteString("unsafe.Pointer")
	default:
		ns := bi.Namespace()
		nm := bi.Name()
		fullnm := strings.ToLower(ns) + "." + nm

		if flags&type_pointer != 0 && !config.is_disguised(fullnm) {
			out.WriteString("*")
		}

		out.WriteString("C.")
		out.WriteString(gi.DefaultRepository().CPrefix(ns))
		out.WriteString(bi.Name())
	}
	return out.String()
}
Ejemplo n.º 9
0
func CgoTypeForInterface(bi *gi.BaseInfo, flags TypeFlags) string {
	var out bytes.Buffer

	switch bi.Type() {
	case gi.INFO_TYPE_CALLBACK:
		out.WriteString("unsafe.Pointer")
	default:
		ns := bi.Namespace()
		nm := bi.Name()
		fullnm := strings.ToLower(ns) + "." + nm

		_, disguised := GConfig.Sys.DisguisedTypes[fullnm]
		if flags&TypePointer != 0 && !disguised {
			out.WriteString("*")
		}

		out.WriteString("C.")
		out.WriteString(gi.DefaultRepository().CPrefix(ns))
		out.WriteString(bi.Name())
	}
	return out.String()
}
Ejemplo n.º 10
0
func GoToCgoForInterface(bi *gi.BaseInfo, arg0, arg1 string, flags ConvFlags) string {
	var out bytes.Buffer
	printf := PrinterTo(&out)

	switch bi.Type() {
	case gi.INFO_TYPE_OBJECT:
		prefix := gi.DefaultRepository().CPrefix(bi.Namespace())
		printf("if %s != nil {\n", arg0)
		printf("\t%s = %s.InheritedFrom%s%s()\n",
			arg1, arg0, prefix, bi.Name())
		printf("}")
	case gi.INFO_TYPE_ENUM, gi.INFO_TYPE_FLAGS:
		ctype := CgoTypeForInterface(bi, TypeNone)
		printf("%s = %s(%s)", arg1, ctype, arg0)
	case gi.INFO_TYPE_INTERFACE:
		prefix := gi.DefaultRepository().CPrefix(bi.Namespace())
		printf("if %s != nil {\n", arg0)
		printf("\t%s = %s.Implements%s%s()",
			arg1, arg0, prefix, bi.Name())
		printf("}")
	case gi.INFO_TYPE_STRUCT:
		ns := bi.Namespace()
		if ns == "cairo" {
			printf(CairoGoToCgoForInterface(bi, arg0, arg1, flags))
			break
		}

		fullnm := strings.ToLower(ns) + "." + bi.Name()
		if _, ok := GConfig.Sys.DisguisedTypes[fullnm]; ok {
			flags &^= ConvPointer
		}
		ctype := CgoTypeForInterface(bi, TypeNone)
		if flags&ConvPointer != 0 {
			printf("%s = (*%s)(unsafe.Pointer(%s))",
				arg1, ctype, arg0)
		} else {
			printf("%s = *(*%s)(unsafe.Pointer(&%s))",
				arg1, ctype, arg0)
		}
	case gi.INFO_TYPE_CALLBACK:
		printf("if %s != nil {\n", arg0)
		printf("\t%s = unsafe.Pointer(&%s)", arg1, arg0)
		printf("}")
	}

	return out.String()
}
Ejemplo n.º 11
0
func GoTypeForInterface(bi *gi.BaseInfo, flags TypeFlags) string {
	var out bytes.Buffer
	printf := PrinterTo(&out)
	ns := bi.Namespace()
	fullnm := strings.ToLower(ns) + "." + bi.Name()

	if flags&TypeListMember != 0 {
		switch bi.Type() {
		case gi.INFO_TYPE_OBJECT, gi.INFO_TYPE_INTERFACE:
			return GoTypeForInterface(bi, TypePointer|TypeReturn)
		default:
			return GoTypeForInterface(bi, TypeReturn)
		}
	}

	switch t := bi.Type(); t {
	case gi.INFO_TYPE_OBJECT, gi.INFO_TYPE_INTERFACE:
		if flags&TypeExact != 0 {
			// exact type for object/interface is always an unsafe.Pointer
			printf("unsafe.Pointer")
			break
		}

		if flags&(TypeReturn|TypeReceiver) != 0 && flags&TypePointer != 0 {
			// receivers and return values are actual types,
			// and a pointer most likely
			printf("*")
		}
		if ns != Config.Namespace {
			// prepend foreign types with appropriate namespace
			printf("%s.", strings.ToLower(ns))
		}
		printf(bi.Name())
		if flags&(TypeReturn|TypeReceiver) == 0 {
			// ordinary function arguments are substituted by their *Like
			// counterparts
			printf("Like")
		}
		if flags&TypeReceiver != 0 && t == gi.INFO_TYPE_INTERFACE {
			// special case for interfaces, we use *Impl structures
			// as receivers
			printf("Impl")
		}
	case gi.INFO_TYPE_CALLBACK:
		if flags&TypeExact != 0 {
			printf("unsafe.Pointer")
			break
		}
		goto handle_default
	case gi.INFO_TYPE_STRUCT:
		if ns == "cairo" {
			printf(CairoGoTypeForInterface(bi, flags))
			break
		}
		goto handle_default
	default:
		goto handle_default
	}
	return out.String()
handle_default:
	_, disguised := GConfig.Sys.DisguisedTypes[fullnm]
	if flags&TypePointer != 0 && !disguised {
		printf("*")
	}
	if ns != Config.Namespace {
		printf("%s.", strings.ToLower(ns))
	}
	printf(bi.Name())
	return out.String()
}
Ejemplo n.º 12
0
func go_type_for_interface(bi *gi.BaseInfo, flags type_flags) string {
	var out bytes.Buffer
	printf := printer_to(&out)
	ns := bi.Namespace()
	fullnm := strings.ToLower(ns) + "." + bi.Name()

	if flags&type_list_member != 0 {
		switch bi.Type() {
		case gi.INFO_TYPE_OBJECT, gi.INFO_TYPE_INTERFACE:
			return go_type_for_interface(bi, type_pointer|type_return)
		default:
			return go_type_for_interface(bi, type_return)
		}
	}

	switch t := bi.Type(); t {
	case gi.INFO_TYPE_OBJECT, gi.INFO_TYPE_INTERFACE:
		if flags&type_exact != 0 {
			// exact type for object/interface is always an unsafe.Pointer
			printf("unsafe.Pointer")
			break
		}

		if flags&(type_return|type_receiver) != 0 && flags&type_pointer != 0 {
			// receivers and return values are actual types,
			// and a pointer most likely
			printf("*")
		}
		if ns != config.namespace {
			// prepend foreign types with appropriate namespace
			printf("%s.", strings.ToLower(ns))
		}
		printf(bi.Name())
		if flags&(type_return|type_receiver) == 0 {
			// ordinary function arguments are substituted by their *Like
			// counterparts
			printf("Like")
		}
		if flags&type_receiver != 0 && t == gi.INFO_TYPE_INTERFACE {
			// special case for interfaces, we use *Impl structures
			// as receivers
			printf("Impl")
		}
	case gi.INFO_TYPE_CALLBACK:
		if flags&type_exact != 0 {
			printf("unsafe.Pointer")
			break
		}
		goto handle_default
	case gi.INFO_TYPE_STRUCT:
		if ns == "cairo" {
			printf(cairo_go_type_for_interface(bi, flags))
			break
		}
		goto handle_default
	default:
		goto handle_default
	}
	return out.String()
handle_default:
	if flags&type_pointer != 0 && !config.is_disguised(fullnm) {
		printf("*")
	}
	if ns != config.namespace {
		printf("%s.", strings.ToLower(ns))
	}
	printf(bi.Name())
	return out.String()
}