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)
}
}
}
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)
}
}
}
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)
}
}
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)
}
}
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()
}
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()
}
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()
}
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()
}
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()
}
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()
}
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()
}
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()
}