C 类型句柄

    (PHP 7 >= 7.4.0, PHP 8)

    简介

    类概要

    final class FFI\CType {
    /* 常量 */
    public const int TYPE_VOID;
    public const int TYPE_FLOAT;
    public const int TYPE_DOUBLE;
    public const int TYPE_LONGDOUBLE;
    public const int TYPE_UINT8;
    public const int TYPE_SINT8;
    public const int TYPE_UINT16;
    public const int TYPE_SINT16;
    public const int TYPE_UINT32;
    public const int TYPE_SINT32;
    public const int TYPE_UINT64;
    public const int TYPE_SINT64;
    public const int TYPE_ENUM;
    public const int TYPE_BOOL;
    public const int TYPE_CHAR;
    public const int TYPE_POINTER;
    public const int TYPE_FUNC;
    public const int TYPE_ARRAY;
    public const int TYPE_STRUCT;
    public const int ATTR_CONST;
    public const int ATTR_INCOMPLETE_TAG;
    public const int ATTR_VARIADIC;
    public const int ATTR_INCOMPLETE_ARRAY;
    public const int ATTR_VLA;
    public const int ATTR_UNION;
    public const int ATTR_PACKED;
    public const int ATTR_MS_STRUCT;
    public const int ATTR_GCC_STRUCT;
    public const int ABI_DEFAULT;
    public const int ABI_CDECL;
    public const int ABI_FASTCALL;
    public const int ABI_THISCALL;
    public const int ABI_STDCALL;
    public const int ABI_PASCAL;
    public const int ABI_REGISTER;
    public const int ABI_MS;
    public const int ABI_SYSV;
    public const int ABI_VECTORCALL;
    /* 方法 */
    public getAlignment(): int
    public getArrayElementType(): FFI\CType
    public getArrayLength(): int
    public getAttributes(): int
    public getEnumKind(): int
    public getFuncABI(): int
    public getFuncParameterCount(): int
    public getFuncParameterType(int $index): FFI\CType
    public getFuncReturnType(): FFI\CType
    public getKind(): int
    public getName(): string
    public getPointerType(): FFI\CType
    public getSize(): int
    public getStructFieldNames(): array
    public getStructFieldOffset(string $name): int
    public getStructFieldType(string $name): FFI\CType
    }

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    scorninpc at php dot net
    4 年前
    如果要检查类型是否正确，可以比较 CType。

    \FFI::typeof(\FFI::addr($a)) == \FFI::typeof(\FFI::new("void *"))

    CType 需要一些方法，比如 equal() 或 toString()，但是......
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