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 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"
}
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"
}
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 (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())
}
}
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())
}
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())
}
