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Added a new gentype module for generic (not language dependent) types.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@5236 b7a2c559-68d2-44c3-8de9-860c34a00d81
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uz 2011-08-20 20:16:13 +00:00
parent 78551ba832
commit ef412bc22c
1 changed files with 108 additions and 0 deletions
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108
src/common/gentype.h Normal file
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/*****************************************************************************/
/* */
/* gentype.h */
/* */
/* Generic data type encoding */
/* */
/* */
/* */
/* (C) 2011, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef GENTYPE_H
#define GENTYPE_H
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Termination, so we can use string functions to handle type strings */
#define GT_END 0x00U
/* Size of a data type */
#define GT_SIZE_1 0x00U
#define GT_SIZE_2 0x01U
#define GT_SIZE_3 0x02U
#define GT_SIZE_4 0x03U
#define GT_SIZE_MASK 0x07U
#define GT_GET_SIZE(x) (((x) & GT_SIZE_MASK) + 1U)
/* Sign of the data type */
#define GT_UNSIGNED 0x00U
#define GT_SIGNED 0x08U
#define GT_SIGN_MASK 0x08U
#define GT_HAS_SIGN(x) (((x) & GT_SIZE_MASK) == GT_SIGNED)
/* Byte order */
#define GT_LITTLE_ENDIAN 0x00U
#define GT_BIG_ENDIAN 0x10U
#define GT_BYTEORDER_MASK 0x10U
#define GT_IS_LITTLE_ENDIAN(x) (((x) & GT_BYTEORDER_MASK) == GT_LITTLE_ENDIAN)
#define GT_IS_BIG_ENDIAN(x) (((x) & GT_BYTEORDER_MASK) == GT_BIG_ENDIAN)
/* Type of the data. Since we want to have zero as a terminator, we must
* introduce one thing that cannot be zero for normal data. This is the
* type.
*/
#define GT_INTEGER 0x20U
#define GT_POINTER 0x40U
#define GT_FLOAT 0x60U
#define GT_ARRAY 0x80U
#define GT_FUNCTION 0xA0U
#define GT_STRUCT 0xC0U
#define GT_UNION 0xE0U
#define GT_MASK 0xE0U
#define GT_GET_TYPE(x) ((x) & GT_TYPE_MASK)
#define GT_IS_INTEGER(x) (GT_GET_TYPE(x) == GT_INTEGER)
#define GT_IS_POINTER(x) (GT_GET_TYPE(x) == GT_POINTER)
#define GT_IS_FLOAT(x) (GT_GET_TYPE(x) == GT_FLOAT)
#define GT_IS_ARRAY(x) (GT_GET_TYPE(x) == GT_ARRAY)
#define GT_IS_FUNCTION(x) (GT_GET_TYPE(x) == GT_FUNCTION)
#define GT_IS_STRUCT(x) (GT_GET_TYPE(x) == GT_STRUCT)
#define GT_IS_UNION(x) (GT_GET_TYPE(x) == GT_UNION)
/* Combined values for the 6502 family */
#define GT_BYTE (GT_INTEGER | GT_LITTLE_ENDIAN | GT_UNSIGNED | GT_SIZE_1)
#define GT_WORD (GT_INTEGER | GT_LITTLE_ENDIAN | GT_UNSIGNED | GT_SIZE_2)
#define GT_DWORD (GT_INTEGER | GT_LITTLE_ENDIAN | GT_UNSIGNED | GT_SIZE_4)
#define GT_DBYTE (GT_POINTER | GT_BIG_ENDIAN | GT_UNSIGNED | GT_SIZE_2)
#define GT_PTR (GT_POINTER | GT_LITTLE_ENDIAN | GT_UNSIGNED | GT_SIZE_2)
#define GT_FAR_PTR (GT_POINTER | GT_LITTLE_ENDIAN | GT_UNSIGNED | GT_SIZE_3)
/* End of gentype.h */
#endif