mirror of https://github.com/cc65/cc65.git
141 lines
5.3 KiB
C
141 lines
5.3 KiB
C
/*****************************************************************************/
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/* */
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/* litpool.h */
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/* */
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/* Literal string handling for the cc65 C compiler */
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/* */
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/* */
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/* */
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/* (C) 1998-2009, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#ifndef LITPOOL_H
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#define LITPOOL_H
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#include <stdio.h>
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/* common */
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#include "strbuf.h"
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/*****************************************************************************/
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/* Data */
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/*****************************************************************************/
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/* Forward for struct SymEntry */
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struct SymEntry;
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/* Forward for a literal */
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typedef struct Literal Literal;
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/* Forward for a literal pool */
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typedef struct LiteralPool LiteralPool;
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/*****************************************************************************/
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/* struct Literal */
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/*****************************************************************************/
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Literal* UseLiteral (Literal* L);
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/* Increase the reference counter for the literal and return it */
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void ReleaseLiteral (Literal* L);
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/* Decrement the reference counter for the literal */
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void TranslateLiteral (Literal* L);
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/* Translate a literal into the target charset */
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void ConcatLiteral (Literal* L, const Literal* Appended);
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/* Concatenate string literals */
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unsigned GetLiteralLabel (const Literal* L);
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/* Return the asm label for a literal */
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const char* GetLiteralStr (const Literal* L);
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/* Return the data for a literal as pointer to char */
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const StrBuf* GetLiteralStrBuf (const Literal* L);
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/* Return the data for a literal as pointer to the string buffer */
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unsigned GetLiteralSize (const Literal* L);
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/* Get the size of a literal string */
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void InitLiteralPool (void);
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/* Initialize the literal pool */
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void PushLiteralPool (struct SymEntry* Func);
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/* Push the current literal pool onto the stack and create a new one */
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LiteralPool* PopLiteralPool (void);
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/* Pop the last literal pool from TOS and activate it. Return the old
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** literal pool.
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*/
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void MoveLiteralPool (LiteralPool* LocalPool);
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/* Move all referenced literals in LocalPool to the global literal pool. This
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** function will free LocalPool after moving the used string literals.
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*/
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void OutputLocalLiteralPool (LiteralPool* Pool);
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/* Output the local literal pool */
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void OutputGlobalLiteralPool (void);
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/* Output the global literal pool */
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Literal* AddLiteral (const char* S);
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/* Add a literal string to the literal pool. Return the literal. */
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Literal* AddLiteralBuf (const void* Buf, unsigned Len);
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/* Add a buffer containing a literal string to the literal pool. Return the
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** literal.
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*/
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Literal* AddLiteralStr (const StrBuf* S);
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/* Add a literal string to the literal pool. Return the literal. */
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/* End of litpool.h */
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#endif
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