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virtualx-engine/modules/mono/mono_gd/gd_mono_marshal.h
Ignacio Etcheverry 844a8d215b Mono/C#: Make 'GD.Print' and its variants fallback to 'ToString()' 
Up until now, 'GD.Print' would convert parameters first to
Variant and only then to String. This meant parameters that cannot be
converted to Variant would be printed as "Null".
This commit makes 'GD.Print' fallback to 'System.Object.ToString()'
if the parameter could not be converted to Variant.
The same applies to all 'GD.Print' variants:
'GD.PrintS', 'GD.PrintT', 'GD.PrintErr' and 'GD.PrintRaw'.
2020-01-02 13:54:20 +01:00

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/*************************************************************************/
/* gd_mono_marshal.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef GDMONOMARSHAL_H
#define GDMONOMARSHAL_H
#include "core/variant.h"
#include "gd_mono.h"
#include "gd_mono_utils.h"
namespace GDMonoMarshal {
template <typename T>
T unbox(MonoObject *p_obj) {
return *(T *)mono_object_unbox(p_obj);
}
template <typename T>
T *unbox_addr(MonoObject *p_obj) {
return (T *)mono_object_unbox(p_obj);
}
#define BOX_DOUBLE(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(double), &x)
#define BOX_FLOAT(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(float), &x)
#define BOX_INT64(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(int64_t), &x)
#define BOX_INT32(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(int32_t), &x)
#define BOX_INT16(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(int16_t), &x)
#define BOX_INT8(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(int8_t), &x)
#define BOX_UINT64(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(uint64_t), &x)
#define BOX_UINT32(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(uint32_t), &x)
#define BOX_UINT16(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(uint16_t), &x)
#define BOX_UINT8(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(uint8_t), &x)
#define BOX_BOOLEAN(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(bool), &x)
#define BOX_PTR(x) mono_value_box(mono_domain_get(), CACHED_CLASS_RAW(IntPtr), x)
#define BOX_ENUM(m_enum_class, x) mono_value_box(mono_domain_get(), m_enum_class, &x)
Variant::Type managed_to_variant_type(const ManagedType &p_type);
bool try_get_array_element_type(const ManagedType &p_array_type, ManagedType &r_elem_type);
bool try_get_dictionary_key_value_types(const ManagedType &p_dictionary_type, ManagedType &r_key_type, ManagedType &r_value_type);
// String
String mono_to_utf8_string(MonoString *p_mono_string);
String mono_to_utf16_string(MonoString *p_mono_string);
_FORCE_INLINE_ String mono_string_to_godot_not_null(MonoString *p_mono_string) {
if (sizeof(CharType) == 2)
return mono_to_utf16_string(p_mono_string);
return mono_to_utf8_string(p_mono_string);
}
_FORCE_INLINE_ String mono_string_to_godot(MonoString *p_mono_string) {
if (p_mono_string == NULL)
return String();
return mono_string_to_godot_not_null(p_mono_string);
}
_FORCE_INLINE_ MonoString *mono_from_utf8_string(const String &p_string) {
return mono_string_new(mono_domain_get(), p_string.utf8().get_data());
}
_FORCE_INLINE_ MonoString *mono_from_utf16_string(const String &p_string) {
return mono_string_from_utf16((mono_unichar2 *)p_string.c_str());
}
_FORCE_INLINE_ MonoString *mono_string_from_godot(const String &p_string) {
if (sizeof(CharType) == 2)
return mono_from_utf16_string(p_string);
return mono_from_utf8_string(p_string);
}
// Variant
MonoObject *variant_to_mono_object(const Variant *p_var, const ManagedType &p_type);
MonoObject *variant_to_mono_object(const Variant *p_var);
_FORCE_INLINE_ MonoObject *variant_to_mono_object(const Variant &p_var) {
return variant_to_mono_object(&p_var);
}
_FORCE_INLINE_ MonoObject *variant_to_mono_object(const Variant &p_var, const ManagedType &p_type) {
return variant_to_mono_object(&p_var, p_type);
}
Variant mono_object_to_variant(MonoObject *p_obj);
Variant mono_object_to_variant(MonoObject *p_obj, const ManagedType &p_type);
Variant mono_object_to_variant_no_err(MonoObject *p_obj, const ManagedType &p_type);
/// Tries to convert the MonoObject* to Variant and then convert the Variant to String.
/// If the MonoObject* cannot be converted to Variant, then 'ToString()' is called instead.
String mono_object_to_variant_string(MonoObject *p_obj, MonoException **r_exc);
// Array
MonoArray *Array_to_mono_array(const Array &p_array);
Array mono_array_to_Array(MonoArray *p_array);
// PoolIntArray
MonoArray *PoolIntArray_to_mono_array(const PoolIntArray &p_array);
PoolIntArray mono_array_to_PoolIntArray(MonoArray *p_array);
// PoolByteArray
MonoArray *PoolByteArray_to_mono_array(const PoolByteArray &p_array);
PoolByteArray mono_array_to_PoolByteArray(MonoArray *p_array);
// PoolRealArray
MonoArray *PoolRealArray_to_mono_array(const PoolRealArray &p_array);
PoolRealArray mono_array_to_PoolRealArray(MonoArray *p_array);
// PoolStringArray
MonoArray *PoolStringArray_to_mono_array(const PoolStringArray &p_array);
PoolStringArray mono_array_to_PoolStringArray(MonoArray *p_array);
// PoolColorArray
MonoArray *PoolColorArray_to_mono_array(const PoolColorArray &p_array);
PoolColorArray mono_array_to_PoolColorArray(MonoArray *p_array);
// PoolVector2Array
MonoArray *PoolVector2Array_to_mono_array(const PoolVector2Array &p_array);
PoolVector2Array mono_array_to_PoolVector2Array(MonoArray *p_array);
// PoolVector3Array
MonoArray *PoolVector3Array_to_mono_array(const PoolVector3Array &p_array);
PoolVector3Array mono_array_to_PoolVector3Array(MonoArray *p_array);
// Structures
namespace InteropLayout {
enum {
MATCHES_float = (sizeof(float) == sizeof(uint32_t)),
MATCHES_double = (sizeof(double) == sizeof(uint64_t)),
#ifdef REAL_T_IS_DOUBLE
MATCHES_real_t = (sizeof(real_t) == sizeof(uint64_t)),
#else
MATCHES_real_t = (sizeof(real_t) == sizeof(uint32_t)),
#endif
MATCHES_Vector2 = (MATCHES_real_t && (sizeof(Vector2) == (sizeof(real_t) * 2)) &&
offsetof(Vector2, x) == (sizeof(real_t) * 0) &&
offsetof(Vector2, y) == (sizeof(real_t) * 1)),
MATCHES_Rect2 = (MATCHES_Vector2 && (sizeof(Rect2) == (sizeof(Vector2) * 2)) &&
offsetof(Rect2, position) == (sizeof(Vector2) * 0) &&
offsetof(Rect2, size) == (sizeof(Vector2) * 1)),
MATCHES_Transform2D = (MATCHES_Vector2 && (sizeof(Transform2D) == (sizeof(Vector2) * 3))), // No field offset required, it stores an array
MATCHES_Vector3 = (MATCHES_real_t && (sizeof(Vector3) == (sizeof(real_t) * 3)) &&
offsetof(Vector3, x) == (sizeof(real_t) * 0) &&
offsetof(Vector3, y) == (sizeof(real_t) * 1) &&
offsetof(Vector3, z) == (sizeof(real_t) * 2)),
MATCHES_Basis = (MATCHES_Vector3 && (sizeof(Basis) == (sizeof(Vector3) * 3))), // No field offset required, it stores an array
MATCHES_Quat = (MATCHES_real_t && (sizeof(Quat) == (sizeof(real_t) * 4)) &&
offsetof(Quat, x) == (sizeof(real_t) * 0) &&
offsetof(Quat, y) == (sizeof(real_t) * 1) &&
offsetof(Quat, z) == (sizeof(real_t) * 2) &&
offsetof(Quat, w) == (sizeof(real_t) * 3)),
MATCHES_Transform = (MATCHES_Basis && MATCHES_Vector3 && (sizeof(Transform) == (sizeof(Basis) + sizeof(Vector3))) &&
offsetof(Transform, basis) == 0 &&
offsetof(Transform, origin) == sizeof(Basis)),
MATCHES_AABB = (MATCHES_Vector3 && (sizeof(AABB) == (sizeof(Vector3) * 2)) &&
offsetof(AABB, position) == (sizeof(Vector3) * 0) &&
offsetof(AABB, size) == (sizeof(Vector3) * 1)),
MATCHES_Color = (MATCHES_float && (sizeof(Color) == (sizeof(float) * 4)) &&
offsetof(Color, r) == (sizeof(float) * 0) &&
offsetof(Color, g) == (sizeof(float) * 1) &&
offsetof(Color, b) == (sizeof(float) * 2) &&
offsetof(Color, a) == (sizeof(float) * 3)),
MATCHES_Plane = (MATCHES_Vector3 && MATCHES_real_t && (sizeof(Plane) == (sizeof(Vector3) + sizeof(real_t))) &&
offsetof(Plane, normal) == 0 &&
offsetof(Plane, d) == sizeof(Vector3))
};
// In the future we may force this if we want to ref return these structs
#ifdef GD_MONO_FORCE_INTEROP_STRUCT_COPY
/* clang-format off */
GD_STATIC_ASSERT(MATCHES_Vector2 && MATCHES_Rect2 && MATCHES_Transform2D && MATCHES_Vector3 &&
MATCHES_Basis && MATCHES_Quat && MATCHES_Transform && MATCHES_AABB && MATCHES_Color &&MATCHES_Plane);
/* clang-format on */
#endif
} // namespace InteropLayout
#pragma pack(push, 1)
struct M_Vector2 {
real_t x, y;
static _FORCE_INLINE_ Vector2 convert_to(const M_Vector2 &p_from) {
return Vector2(p_from.x, p_from.y);
}
static _FORCE_INLINE_ M_Vector2 convert_from(const Vector2 &p_from) {
M_Vector2 ret = { p_from.x, p_from.y };
return ret;
}
};
struct M_Rect2 {
M_Vector2 position;
M_Vector2 size;
static _FORCE_INLINE_ Rect2 convert_to(const M_Rect2 &p_from) {
return Rect2(M_Vector2::convert_to(p_from.position),
M_Vector2::convert_to(p_from.size));
}
static _FORCE_INLINE_ M_Rect2 convert_from(const Rect2 &p_from) {
M_Rect2 ret = { M_Vector2::convert_from(p_from.position), M_Vector2::convert_from(p_from.size) };
return ret;
}
};
struct M_Transform2D {
M_Vector2 elements[3];
static _FORCE_INLINE_ Transform2D convert_to(const M_Transform2D &p_from) {
return Transform2D(p_from.elements[0].x, p_from.elements[0].y,
p_from.elements[1].x, p_from.elements[1].y,
p_from.elements[2].x, p_from.elements[2].y);
}
static _FORCE_INLINE_ M_Transform2D convert_from(const Transform2D &p_from) {
M_Transform2D ret = {
M_Vector2::convert_from(p_from.elements[0]),
M_Vector2::convert_from(p_from.elements[1]),
M_Vector2::convert_from(p_from.elements[2])
};
return ret;
}
};
struct M_Vector3 {
real_t x, y, z;
static _FORCE_INLINE_ Vector3 convert_to(const M_Vector3 &p_from) {
return Vector3(p_from.x, p_from.y, p_from.z);
}
static _FORCE_INLINE_ M_Vector3 convert_from(const Vector3 &p_from) {
M_Vector3 ret = { p_from.x, p_from.y, p_from.z };
return ret;
}
};
struct M_Basis {
M_Vector3 elements[3];
static _FORCE_INLINE_ Basis convert_to(const M_Basis &p_from) {
return Basis(M_Vector3::convert_to(p_from.elements[0]),
M_Vector3::convert_to(p_from.elements[1]),
M_Vector3::convert_to(p_from.elements[2]));
}
static _FORCE_INLINE_ M_Basis convert_from(const Basis &p_from) {
M_Basis ret = {
M_Vector3::convert_from(p_from.elements[0]),
M_Vector3::convert_from(p_from.elements[1]),
M_Vector3::convert_from(p_from.elements[2])
};
return ret;
}
};
struct M_Quat {
real_t x, y, z, w;
static _FORCE_INLINE_ Quat convert_to(const M_Quat &p_from) {
return Quat(p_from.x, p_from.y, p_from.z, p_from.w);
}
static _FORCE_INLINE_ M_Quat convert_from(const Quat &p_from) {
M_Quat ret = { p_from.x, p_from.y, p_from.z, p_from.w };
return ret;
}
};
struct M_Transform {
M_Basis basis;
M_Vector3 origin;
static _FORCE_INLINE_ Transform convert_to(const M_Transform &p_from) {
return Transform(M_Basis::convert_to(p_from.basis), M_Vector3::convert_to(p_from.origin));
}
static _FORCE_INLINE_ M_Transform convert_from(const Transform &p_from) {
M_Transform ret = { M_Basis::convert_from(p_from.basis), M_Vector3::convert_from(p_from.origin) };
return ret;
}
};
struct M_AABB {
M_Vector3 position;
M_Vector3 size;
static _FORCE_INLINE_ AABB convert_to(const M_AABB &p_from) {
return AABB(M_Vector3::convert_to(p_from.position), M_Vector3::convert_to(p_from.size));
}
static _FORCE_INLINE_ M_AABB convert_from(const AABB &p_from) {
M_AABB ret = { M_Vector3::convert_from(p_from.position), M_Vector3::convert_from(p_from.size) };
return ret;
}
};
struct M_Color {
float r, g, b, a;
static _FORCE_INLINE_ Color convert_to(const M_Color &p_from) {
return Color(p_from.r, p_from.g, p_from.b, p_from.a);
}
static _FORCE_INLINE_ M_Color convert_from(const Color &p_from) {
M_Color ret = { p_from.r, p_from.g, p_from.b, p_from.a };
return ret;
}
};
struct M_Plane {
M_Vector3 normal;
real_t d;
static _FORCE_INLINE_ Plane convert_to(const M_Plane &p_from) {
return Plane(M_Vector3::convert_to(p_from.normal), p_from.d);
}
static _FORCE_INLINE_ M_Plane convert_from(const Plane &p_from) {
M_Plane ret = { M_Vector3::convert_from(p_from.normal), p_from.d };
return ret;
}
};
#pragma pack(pop)
#define DECL_TYPE_MARSHAL_TEMPLATES(m_type) \
template <int> \
_FORCE_INLINE_ m_type marshalled_in_##m_type##_impl(const M_##m_type *p_from); \
\
template <> \
_FORCE_INLINE_ m_type marshalled_in_##m_type##_impl<0>(const M_##m_type *p_from) { \
return M_##m_type::convert_to(*p_from); \
} \
\
template <> \
_FORCE_INLINE_ m_type marshalled_in_##m_type##_impl<1>(const M_##m_type *p_from) { \
return *reinterpret_cast<const m_type *>(p_from); \
} \
\
_FORCE_INLINE_ m_type marshalled_in_##m_type(const M_##m_type *p_from) { \
return marshalled_in_##m_type##_impl<InteropLayout::MATCHES_##m_type>(p_from); \
} \
\
template <int> \
_FORCE_INLINE_ M_##m_type marshalled_out_##m_type##_impl(const m_type &p_from); \
\
template <> \
_FORCE_INLINE_ M_##m_type marshalled_out_##m_type##_impl<0>(const m_type &p_from) { \
return M_##m_type::convert_from(p_from); \
} \
\
template <> \
_FORCE_INLINE_ M_##m_type marshalled_out_##m_type##_impl<1>(const m_type &p_from) { \
return *reinterpret_cast<const M_##m_type *>(&p_from); \
} \
\
_FORCE_INLINE_ M_##m_type marshalled_out_##m_type(const m_type &p_from) { \
return marshalled_out_##m_type##_impl<InteropLayout::MATCHES_##m_type>(p_from); \
}
DECL_TYPE_MARSHAL_TEMPLATES(Vector2)
DECL_TYPE_MARSHAL_TEMPLATES(Rect2)
DECL_TYPE_MARSHAL_TEMPLATES(Transform2D)
DECL_TYPE_MARSHAL_TEMPLATES(Vector3)
DECL_TYPE_MARSHAL_TEMPLATES(Basis)
DECL_TYPE_MARSHAL_TEMPLATES(Quat)
DECL_TYPE_MARSHAL_TEMPLATES(Transform)
DECL_TYPE_MARSHAL_TEMPLATES(AABB)
DECL_TYPE_MARSHAL_TEMPLATES(Color)
DECL_TYPE_MARSHAL_TEMPLATES(Plane)
#define MARSHALLED_IN(m_type, m_from_ptr) (GDMonoMarshal::marshalled_in_##m_type(m_from_ptr))
#define MARSHALLED_OUT(m_type, m_from) (GDMonoMarshal::marshalled_out_##m_type(m_from))
} // namespace GDMonoMarshal
#endif // GDMONOMARSHAL_H
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