74 lines
3.3 KiB
C
74 lines
3.3 KiB
C
/*****************************************************************************/
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/* */
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/* istack.h */
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/* */
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/* Input stack for the scanner */
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/* */
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/* */
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/* */
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/* (C) 2000 Ullrich von Bassewitz */
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/* Wacholderweg 14 */
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/* D-70597 Stuttgart */
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/* EMail: uz@musoftware.de */
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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 ISTACK_H
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#define ISTACK_H
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void PushInput (int (*Func) (void*), void* Data, const char* Desc);
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/* Push an input function onto the input stack */
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void PopInput (void);
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/* Pop the current input function from the input stack */
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int InputFromStack (void);
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/* Try to get input from the input stack. Return true if we had such input,
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* return false otherwise.
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*/
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int HavePushedInput (void);
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/* Return true if we have stacked input available, return false if not */
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void CheckInputStack (void);
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/* Called from the scanner before closing an input file. Will check for any
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* stuff on the input stack.
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*/
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/* End of istack.h */
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#endif
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