mirror of
https://github.com/cc65/cc65.git
synced 2024-11-18 00:07:21 +00:00
9174f65e54
friends. Since names and other strings are now StrBufs in many places, code for output had to be changed. Added support for string literals to StrBuf. git-svn-id: svn://svn.cc65.org/cc65/trunk@3825 b7a2c559-68d2-44c3-8de9-860c34a00d81
106 lines
4.3 KiB
C
106 lines
4.3 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* sizeof.c */
|
|
/* */
|
|
/* Handle sizes of types and data */
|
|
/* */
|
|
/* */
|
|
/* */
|
|
/* (C) 2003-2008, Ullrich von Bassewit */
|
|
/* 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. */
|
|
/* */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
/* common */
|
|
#include "addrsize.h"
|
|
|
|
/* ca65 */
|
|
#include "expr.h"
|
|
#include "sizeof.h"
|
|
#include "symtab.h"
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Data */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
/* The name of the symbol used to encode the size. The name of this entry is
|
|
* choosen so that it cannot be accessed by the user.
|
|
*/
|
|
const StrBuf SizeEntryName = LIT_STRBUF_INITIALIZER (".size");
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Code */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
SymEntry* GetSizeOfScope (SymTable* Scope)
|
|
/* Get the size of a scope. The function returns the symbol table entry that
|
|
* encodes the size, and will create a new entry if it does not exist.
|
|
*/
|
|
{
|
|
return SymFind (Scope, &SizeEntryName, SYM_ALLOC_NEW);
|
|
}
|
|
|
|
|
|
|
|
SymEntry* GetSizeOfSymbol (SymEntry* Sym)
|
|
/* Get the size of a symbol table entry. The function returns the symbol table
|
|
* entry that encodes the size of the symbol and will create a new one if it
|
|
* does not exist.
|
|
*/
|
|
{
|
|
return SymFindLocal (Sym, &SizeEntryName, SYM_ALLOC_NEW);
|
|
}
|
|
|
|
|
|
|
|
SymEntry* DefSizeOfScope (SymTable* Scope, long Size)
|
|
/* Define the size of a scope and return the size symbol */
|
|
{
|
|
SymEntry* SizeSym = GetSizeOfScope (Scope);
|
|
SymDef (SizeSym, GenLiteralExpr (Size), ADDR_SIZE_DEFAULT, SF_NONE);
|
|
return SizeSym;
|
|
}
|
|
|
|
|
|
|
|
SymEntry* DefSizeOfSymbol (SymEntry* Sym, long Size)
|
|
/* Define the size of a symbol and return the size symbol */
|
|
{
|
|
SymEntry* SizeSym = GetSizeOfSymbol (Sym);
|
|
SymDef (SizeSym, GenLiteralExpr (Size), ADDR_SIZE_DEFAULT, SF_NONE);
|
|
return SizeSym;
|
|
}
|
|
|
|
|
|
|