Ejemplo n.º 1
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 2
0
func SimpleCgoType(ti *gi.TypeInfo, flags TypeFlags) string {
	tag := ti.Tag()
	switch tag {
	case gi.TYPE_TAG_VOID:
		if ti.IsPointer() {
			return "unsafe.Pointer"
		}
		panic("Non-pointer void type is not supported")
	case gi.TYPE_TAG_INTERFACE:
		bi := ti.Interface()
		switch bi.Type() {
		case gi.INFO_TYPE_ENUM, gi.INFO_TYPE_FLAGS:
			ei := gi.ToEnumInfo(bi)
			return GoTypeForTag(ei.StorageType(), flags|TypeExact)
		case gi.INFO_TYPE_STRUCT:
			ns := bi.Namespace()
			nm := bi.Name()
			fullnm := strings.ToLower(ns) + "." + nm
			if _, ok := GConfig.Sys.DisguisedTypes[fullnm]; ok {
				return "unsafe.Pointer"
			}
		}
	}
	if !strings.HasPrefix(CgoType(ti, flags), "*") {
		return GoTypeForTag(tag, flags|TypeExact)
	}
	return "unsafe.Pointer"
}
Ejemplo n.º 3
0
func simple_cgo_type(ti *gi.TypeInfo, flags type_flags) string {
	tag := ti.Tag()
	switch tag {
	case gi.TYPE_TAG_VOID:
		if ti.IsPointer() {
			return "unsafe.Pointer"
		}
		panic("Non-pointer void type is not supported")
	case gi.TYPE_TAG_INTERFACE:
		bi := ti.Interface()
		switch bi.Type() {
		case gi.INFO_TYPE_ENUM, gi.INFO_TYPE_FLAGS:
			ei := gi.ToEnumInfo(bi)
			return go_type_for_tag(ei.StorageType(), flags|type_exact)
		case gi.INFO_TYPE_STRUCT:
			ns := bi.Namespace()
			nm := bi.Name()
			fullnm := strings.ToLower(ns) + "." + nm
			if config.is_disguised(fullnm) {
				return "unsafe.Pointer"
			}
		}
	}
	if !strings.HasPrefix(cgo_type(ti, flags), "*") {
		return go_type_for_tag(tag, flags|type_exact)
	}
	return "unsafe.Pointer"
}
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 (this *binding_generator) process_base_info(bi *gi.BaseInfo) {
	p := printer_to(&this.go_bindings)

	if config.is_object_blacklisted(bi) {
		p("// blacklisted: %s (%s)\n", bi.Name(), bi.Type())
		return
	}

	switch bi.Type() {
	case gi.INFO_TYPE_UNION:
		this.process_union_info(gi.ToUnionInfo(bi))
	case gi.INFO_TYPE_STRUCT:
		this.process_struct_info(gi.ToStructInfo(bi))
	case gi.INFO_TYPE_ENUM, gi.INFO_TYPE_FLAGS:
		this.process_enum_info(gi.ToEnumInfo(bi))
	case gi.INFO_TYPE_CONSTANT:
		this.process_constant_info(gi.ToConstantInfo(bi))
	case gi.INFO_TYPE_CALLBACK:
		this.process_callback_info(gi.ToCallableInfo(bi))
	case gi.INFO_TYPE_FUNCTION:
		this.process_function_info(gi.ToFunctionInfo(bi))
	case gi.INFO_TYPE_INTERFACE:
		this.process_interface_info(gi.ToInterfaceInfo(bi))
	case gi.INFO_TYPE_OBJECT:
		this.process_object_info(gi.ToObjectInfo(bi))
	default:
		p("// TODO: %s (%s)\n", bi.Name(), bi.Type())
	}
}
Ejemplo n.º 6
0
func ProcessBaseInfo(bi *gi.BaseInfo) {
	switch bi.Type() {
	case gi.INFO_TYPE_UNION:
		if IsBlacklisted("unions", bi.Name()) {
			goto blacklisted
		}
		ProcessUnionInfo(gi.ToUnionInfo(bi))
	case gi.INFO_TYPE_STRUCT:
		if IsBlacklisted("structs", bi.Name()) {
			goto blacklisted
		}
		ProcessStructInfo(gi.ToStructInfo(bi))
	case gi.INFO_TYPE_ENUM, gi.INFO_TYPE_FLAGS:
		if IsBlacklisted("enums", bi.Name()) {
			goto blacklisted
		}
		ProcessEnumInfo(gi.ToEnumInfo(bi))
	case gi.INFO_TYPE_CONSTANT:
		if IsBlacklisted("constants", bi.Name()) {
			goto blacklisted
		}
		ProcessConstantInfo(gi.ToConstantInfo(bi))
	case gi.INFO_TYPE_CALLBACK:
		if IsBlacklisted("callbacks", bi.Name()) {
			goto blacklisted
		}
		ProcessCallbackInfo(gi.ToCallableInfo(bi))
	case gi.INFO_TYPE_FUNCTION:
		if IsBlacklisted("functions", bi.Name()) {
			goto blacklisted
		}
		ProcessFunctionInfo(gi.ToFunctionInfo(bi), nil)
	case gi.INFO_TYPE_INTERFACE:
		if IsBlacklisted("interfaces", bi.Name()) {
			goto blacklisted
		}
		ProcessInterfaceInfo(gi.ToInterfaceInfo(bi))
	case gi.INFO_TYPE_OBJECT:
		if IsBlacklisted("objects", bi.Name()) {
			goto blacklisted
		}
		ProcessObjectInfo(gi.ToObjectInfo(bi))
	default:
		printf("// TODO: %s (%s)\n", bi.Name(), bi.Type())
	}
	return

blacklisted:
	printf("// blacklisted: %s (%s)\n", bi.Name(), bi.Type())
}
Ejemplo n.º 7
0
func TypeSizeForInterface(bi *gi.BaseInfo, flags TypeFlags) int {
	ptrsize := int(unsafe.Sizeof(unsafe.Pointer(nil)))
	if flags&TypePointer != 0 {
		return ptrsize
	}

	switch t := bi.Type(); t {
	case gi.INFO_TYPE_OBJECT, gi.INFO_TYPE_INTERFACE:
		return ptrsize
	case gi.INFO_TYPE_STRUCT:
		si := gi.ToStructInfo(bi)
		return si.Size()
	case gi.INFO_TYPE_UNION:
		ui := gi.ToUnionInfo(bi)
		return ui.Size()
	case gi.INFO_TYPE_ENUM, gi.INFO_TYPE_FLAGS:
		ei := gi.ToEnumInfo(bi)
		return TypeSizeForTag(ei.StorageType(), flags)
	case gi.INFO_TYPE_CALLBACK:
		return ptrsize
	}
	panic("unreachable: " + bi.Type().String())
}