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MetaFFIPrimitives.go
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MetaFFIPrimitives.go
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package IDL
/*
#cgo !windows LDFLAGS: -L. -ldl
#include <../../../runtime/metaffi_primitives.h>
void set_metaffi_type_info_type(struct metaffi_type_info* info, uint64_t type) {
info->type = type;
}
*/
import "C"
import (
"fmt"
)
import "strings"
type MethodType string
type MetaFFIType string
type MetaFFITypeInfo struct {
StringType MetaFFIType
Alias string
Type uint64
Dimensions int
}
const (
FUNCTION MethodType = "function"
METHOD MethodType = "method"
CONSTRUCTOR MethodType = "constructor"
DESTRUCTOR MethodType = "destructor"
)
const (
FLOAT64 MetaFFIType = "float64"
FLOAT32 MetaFFIType = "float32"
INT8 MetaFFIType = "int8"
INT16 MetaFFIType = "int16"
INT32 MetaFFIType = "int32"
INT64 MetaFFIType = "int64"
UINT8 MetaFFIType = "uint8"
UINT16 MetaFFIType = "uint16"
UINT32 MetaFFIType = "uint32"
UINT64 MetaFFIType = "uint64"
BOOL MetaFFIType = "bool"
CHAR8 MetaFFIType = "char8"
CHAR16 MetaFFIType = "char16"
CHAR32 MetaFFIType = "char32"
STRING8 MetaFFIType = "string8"
STRING16 MetaFFIType = "string16"
STRING32 MetaFFIType = "string32"
HANDLE MetaFFIType = "handle"
ARRAY MetaFFIType = "array"
ANY MetaFFIType = "any" // Parameter can receive any MetaFFI type
SIZE MetaFFIType = "size"
NULL MetaFFIType = "null"
//--------------------------------------------------------------------
FLOAT64_ARRAY MetaFFIType = "float64_array"
FLOAT32_ARRAY MetaFFIType = "float32_array"
INT8_ARRAY MetaFFIType = "int8_array"
INT16_ARRAY MetaFFIType = "int16_array"
INT32_ARRAY MetaFFIType = "int32_array"
INT64_ARRAY MetaFFIType = "int64_array"
UINT8_ARRAY MetaFFIType = "uint8_array"
UINT16_ARRAY MetaFFIType = "uint16_array"
UINT32_ARRAY MetaFFIType = "uint32_array"
UINT64_ARRAY MetaFFIType = "uint64_array"
BOOL_ARRAY MetaFFIType = "bool_array"
CHAR8_ARRAY MetaFFIType = "char8_array"
CHAR16_ARRAY MetaFFIType = "char16_array"
CHAR32_ARRAY MetaFFIType = "char32_array"
STRING8_ARRAY MetaFFIType = "string8_array"
STRING16_ARRAY MetaFFIType = "string16_array"
STRING32_ARRAY MetaFFIType = "string32_array"
HANDLE_ARRAY MetaFFIType = "handle_array"
ANY_ARRAY MetaFFIType = "any_array"
SIZE_ARRAY MetaFFIType = "size_array"
METAFFI_TYPE_FLOAT64 = uint64(C.metaffi_float64_type)
METAFFI_TYPE_FLOAT32 = uint64(C.metaffi_float32_type)
METAFFI_TYPE_INT8 = uint64(C.metaffi_int8_type)
METAFFI_TYPE_INT16 = uint64(C.metaffi_int16_type)
METAFFI_TYPE_INT32 = uint64(C.metaffi_int32_type)
METAFFI_TYPE_INT64 = uint64(C.metaffi_int64_type)
METAFFI_TYPE_UINT8 = uint64(C.metaffi_uint8_type)
METAFFI_TYPE_UINT16 = uint64(C.metaffi_uint16_type)
METAFFI_TYPE_UINT32 = uint64(C.metaffi_uint32_type)
METAFFI_TYPE_UINT64 = uint64(C.metaffi_uint64_type)
METAFFI_TYPE_BOOL = uint64(C.metaffi_bool_type)
METAFFI_TYPE_STRING8 = uint64(C.metaffi_string8_type)
METAFFI_TYPE_STRING16 = uint64(C.metaffi_string16_type)
METAFFI_TYPE_STRING32 = uint64(C.metaffi_string32_type)
METAFFI_TYPE_CHAR8 = uint64(C.metaffi_char8_type)
METAFFI_TYPE_CHAR8_ARRAY = uint64(C.metaffi_char8_array_type)
METAFFI_TYPE_CHAR16 = uint64(C.metaffi_char16_type)
METAFFI_TYPE_CHAR16_ARRAY = uint64(C.metaffi_char16_array_type)
METAFFI_TYPE_CHAR32 = uint64(C.metaffi_char32_type)
METAFFI_TYPE_CHAR32_ARRAY = uint64(C.metaffi_char32_array_type)
METAFFI_TYPE_HANDLE = uint64(C.metaffi_handle_type)
METAFFI_TYPE_ARRAY = uint64(C.metaffi_array_type)
METAFFI_TYPE_SIZE = uint64(C.metaffi_size_type)
METAFFI_TYPE_ANY = uint64(C.metaffi_any_type)
METAFFI_TYPE_FLOAT64_ARRAY = uint64(C.metaffi_float64_array_type)
METAFFI_TYPE_FLOAT32_ARRAY = uint64(C.metaffi_float32_array_type)
METAFFI_TYPE_INT8_ARRAY = uint64(C.metaffi_int8_array_type)
METAFFI_TYPE_INT16_ARRAY = uint64(C.metaffi_int16_array_type)
METAFFI_TYPE_INT32_ARRAY = uint64(C.metaffi_int32_array_type)
METAFFI_TYPE_INT64_ARRAY = uint64(C.metaffi_int64_array_type)
METAFFI_TYPE_UINT8_ARRAY = uint64(C.metaffi_uint8_array_type)
METAFFI_TYPE_UINT16_ARRAY = uint64(C.metaffi_uint16_array_type)
METAFFI_TYPE_UINT32_ARRAY = uint64(C.metaffi_uint32_array_type)
METAFFI_TYPE_UINT64_ARRAY = uint64(C.metaffi_uint64_array_type)
METAFFI_TYPE_BOOL_ARRAY = uint64(C.metaffi_bool_array_type)
METAFFI_TYPE_STRING8_ARRAY = uint64(C.metaffi_string8_array_type)
METAFFI_TYPE_STRING16_ARRAY = uint64(C.metaffi_string16_array_type)
METAFFI_TYPE_STRING32_ARRAY = uint64(C.metaffi_string32_array_type)
METAFFI_TYPE_HANDLE_ARRAY = uint64(C.metaffi_handle_array_type)
METAFFI_TYPE_SIZE_ARRAY = uint64(C.metaffi_size_array_type)
METAFFI_TYPE_NULL = uint64(C.metaffi_null_type)
METAFFI_TYPE_CALLABLE = uint64(C.metaffi_callable_type)
)
var TypeStringToEnumName = map[MetaFFIType]string{
FLOAT64: "FLOAT64",
FLOAT32: "FLOAT32",
INT8: "INT8",
INT16: "INT16",
INT32: "INT32",
INT64: "INT64",
UINT8: "UINT8",
UINT16: "UINT16",
UINT32: "UINT32",
UINT64: "UINT64",
BOOL: "BOOL",
STRING8: "STRING8",
STRING16: "STRING16",
STRING32: "STRING32",
CHAR8: "CHAR8",
CHAR16: "CHAR16",
CHAR32: "CHAR32",
HANDLE: "HANDLE",
ARRAY: "ARRAY",
SIZE: "SIZE",
ANY: "ANY",
FLOAT64_ARRAY: "FLOAT64_ARRAY",
FLOAT32_ARRAY: "FLOAT32_ARRAY",
INT8_ARRAY: "INT8_ARRAY",
INT16_ARRAY: "INT16_ARRAY",
INT32_ARRAY: "INT32_ARRAY",
INT64_ARRAY: "INT64_ARRAY",
UINT8_ARRAY: "UINT8_ARRAY",
UINT16_ARRAY: "UINT16_ARRAY",
UINT32_ARRAY: "UINT32_ARRAY",
UINT64_ARRAY: "UINT64_ARRAY",
BOOL_ARRAY: "BOOL_ARRAY",
STRING8_ARRAY: "STRING8_ARRAY",
STRING16_ARRAY: "STRING16_ARRAY",
STRING32_ARRAY: "STRING32_ARRAY",
ANY_ARRAY: "ANY_ARRAY",
HANDLE_ARRAY: "HANDLE_ARRAY",
SIZE_ARRAY: "SIZE_ARRAY",
}
var TypeStringToTypeEnum = map[MetaFFIType]uint64{
FLOAT64: uint64(C.metaffi_float64_type),
FLOAT32: uint64(C.metaffi_float32_type),
INT8: uint64(C.metaffi_int8_type),
INT16: uint64(C.metaffi_int16_type),
INT32: uint64(C.metaffi_int32_type),
INT64: uint64(C.metaffi_int64_type),
UINT8: uint64(C.metaffi_uint8_type),
UINT16: uint64(C.metaffi_uint16_type),
UINT32: uint64(C.metaffi_uint32_type),
UINT64: uint64(C.metaffi_uint64_type),
BOOL: uint64(C.metaffi_bool_type),
STRING8: uint64(C.metaffi_string8_type),
STRING16: uint64(C.metaffi_string16_type),
STRING32: uint64(C.metaffi_string32_type),
CHAR8: uint64(C.metaffi_char8_type),
CHAR16: uint64(C.metaffi_char16_type),
CHAR32: uint64(C.metaffi_char32_type),
HANDLE: uint64(C.metaffi_handle_type),
ARRAY: uint64(C.metaffi_array_type),
SIZE: uint64(C.metaffi_size_type),
ANY: uint64(C.metaffi_any_type),
FLOAT64_ARRAY: uint64(C.metaffi_float64_array_type),
FLOAT32_ARRAY: uint64(C.metaffi_float32_array_type),
INT8_ARRAY: uint64(C.metaffi_int8_array_type),
INT16_ARRAY: uint64(C.metaffi_int16_array_type),
INT32_ARRAY: uint64(C.metaffi_int32_array_type),
INT64_ARRAY: uint64(C.metaffi_int64_array_type),
UINT8_ARRAY: uint64(C.metaffi_uint8_array_type),
UINT16_ARRAY: uint64(C.metaffi_uint16_array_type),
UINT32_ARRAY: uint64(C.metaffi_uint32_array_type),
UINT64_ARRAY: uint64(C.metaffi_uint64_array_type),
BOOL_ARRAY: uint64(C.metaffi_bool_array_type),
STRING8_ARRAY: uint64(C.metaffi_string8_array_type),
STRING16_ARRAY: uint64(C.metaffi_string16_array_type),
STRING32_ARRAY: uint64(C.metaffi_string32_array_type),
HANDLE_ARRAY: uint64(C.metaffi_handle_array_type),
SIZE_ARRAY: uint64(C.metaffi_size_array_type),
}
func (this *MetaFFITypeInfo) FillMetaFFITypeFromStringMetaFFIType() {
this.Type = TypeStringToTypeEnum[MetaFFIType(strings.ToLower(string(this.StringType)))]
}
func (m *MetaFFITypeInfo) AsCMetaFFITypeInfo() C.struct_metaffi_type_info {
var cMetaFFIType C.struct_metaffi_type_info
if m.Alias != "" {
cMetaFFIType.alias = nil
cMetaFFIType.is_free_alias = C.metaffi_bool(0) // TODO: change to TRUE
// cMetaFFIType.is_free_alias = C.metaffi_bool(1)
} else {
cMetaFFIType.alias = nil
cMetaFFIType.is_free_alias = C.metaffi_bool(0)
}
C.set_metaffi_type_info_type(&cMetaFFIType, C.uint64_t(m.Type))
return cMetaFFIType
}
func IsMetaFFIType(metaffiType string) bool {
_, found := TypeStringToTypeEnum[MetaFFIType(strings.ToLower(metaffiType))]
return found
}
func ArgMetaFFIType(arg *ArgDefinition) uint64 {
str := arg.Type
if arg.Dimensions > 0 && !strings.HasSuffix(string(arg.Type), "_array") {
str += "_array"
}
res, found := TypeStringToTypeEnum[MetaFFIType(str)]
if !found {
panic(fmt.Sprintf("%v is not a metaffi type. Dimensions: %v", str, arg.Dimensions))
}
return res
}