mirror of https://github.com/cc65/cc65.git
112 lines
5.6 KiB
C
112 lines
5.6 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* typecmp.h */
|
|
/* */
|
|
/* Type compare function for the cc65 C compiler */
|
|
/* */
|
|
/* */
|
|
/* */
|
|
/* (C) 1998-2000 Ullrich von Bassewitz */
|
|
/* Wacholderweg 14 */
|
|
/* D-70597 Stuttgart */
|
|
/* EMail: uz@musoftware.de */
|
|
/* */
|
|
/* */
|
|
/* 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 TYPECMP_H
|
|
#define TYPECMP_H
|
|
|
|
|
|
|
|
#include "datatype.h"
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Data */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
/* Degree of type compatibility affected. Must be in ascending order */
|
|
typedef enum {
|
|
TC_INCOMPATIBLE, /* Distinct types */
|
|
TC_SIGN_DIFF, /* Signedness differs */
|
|
TC_PTR_SIGN_DIFF, /* Pointee signedness differs */
|
|
TC_PTR_INCOMPATIBLE, /* Distinct pointer types */
|
|
TC_VOID_PTR, /* Non-void and void pointers */
|
|
TC_STRICT_COMPATIBLE, /* Strict compatibility according to the C Standard */
|
|
TC_PTR_DECAY, /* rhs is an array and lhs is a pointer */
|
|
TC_EQUAL, /* Array types with unspecified lengths */
|
|
TC_UNSPECIFY, /* lhs has unspecified length while rhs has specified length */
|
|
TC_IDENTICAL /* Types are identical */
|
|
} typecmpcode_t;
|
|
|
|
/* Degree of type compatibility affected by qualifiers as well as some extra info */
|
|
typedef enum {
|
|
TCF_NONE = 0x00, /* None of the below */
|
|
TCF_VOID_PTR_ON_LEFT = 0x01, /* lhs is a void pointer */
|
|
TCF_VOID_PTR_ON_RIGHT = 0x02, /* rhs is a void pointer */
|
|
TCF_MASK_VOID_PTR = TCF_VOID_PTR_ON_LEFT | TCF_VOID_PTR_ON_RIGHT,
|
|
TCF_QUAL_DIFF = 0x04, /* lhs doesn't have all of CVR qualifiers of rhs */
|
|
TCF_QUAL_IMPLICIT = 0x08, /* CVR qualifiers of lhs are stricter than those of rhs */
|
|
TCF_MASK_CVR_DIFF = 0x0C, /* All CVR qualifiers */
|
|
TCF_PTR_QUAL_DIFF = 0x10, /* lhs pointee doesn't have all of CVR qualifiers of rhs pointee */
|
|
TCF_PTR_QUAL_IMPLICIT = 0x20, /* CVR qualifiers of pointees are stricter on lhs than those on rhs */
|
|
TCF_MASK_PTR_QUAL_DIFF = 0x30, /* All CVR qualifiers of pointees */
|
|
TCF_ADDRSIZE_QUAL_DIFF = 0x40, /* Address size qualifiers differ */
|
|
TCF_CCONV_QUAL_DIFF = 0x80, /* Function calling conventions differ. Unused now */
|
|
TCF_INCOMPATIBLE_QUAL = TCF_ADDRSIZE_QUAL_DIFF | TCF_CCONV_QUAL_DIFF,
|
|
TCF_MASK_PARAM_DIFF = TCF_MASK_PTR_QUAL_DIFF | TCF_INCOMPATIBLE_QUAL,
|
|
TCF_MASK_QUAL = TCF_MASK_CVR_DIFF | TCF_MASK_PTR_QUAL_DIFF | TCF_INCOMPATIBLE_QUAL,
|
|
} typecmpflag_t;
|
|
|
|
typedef struct {
|
|
typecmpcode_t C;
|
|
typecmpflag_t F;
|
|
int Indirections;
|
|
} typecmp_t;
|
|
|
|
#define TYPECMP_INITIALIZER { TC_IDENTICAL, TCF_NONE, 0 }
|
|
|
|
/*****************************************************************************/
|
|
/* Code */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
typecmp_t TypeCmp (const Type* lhs, const Type* rhs);
|
|
/* Compare two types and return the result */
|
|
|
|
void TypeCompatibilityDiagnostic (const Type* NewType, const Type* OldType, int IsError, const char* Msg);
|
|
/* Print error or warning message about type compatibility with proper type
|
|
** names. The format string shall contain two '%s' specifiers for the names of
|
|
** the two types.
|
|
*/
|
|
|
|
|
|
|
|
/* End of typecmp.h */
|
|
|
|
#endif
|