mirror of https://github.com/cc65/cc65.git
82 lines
3.9 KiB
C
82 lines
3.9 KiB
C
/*****************************************************************************/
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/* */
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/* scanstrbuf.h */
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/* */
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/* Small scanner for input from a StrBuf */
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/* */
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/* */
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/* */
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/* (C) 2002-2009, 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 SCANSTRBUF_H
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#define SCANSTRBUF_H
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/* common */
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#include "strbuf.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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void SB_SkipWhite (StrBuf* B);
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/* Skip whitespace in the string buffer */
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int SB_GetSym (StrBuf* B, StrBuf* Ident, const char* SpecialChars);
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/* Get a symbol from the string buffer. If SpecialChars is not NULL, it
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** points to a string that contains characters allowed within the string in
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** addition to letters, digits and the underline. Note: The identifier must
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** still begin with a letter.
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** Returns 1 if a symbol was found and 0 otherwise but doesn't output any
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** errors.
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*/
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int SB_GetString (StrBuf* B, StrBuf* S);
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/* Get a string from the string buffer. Returns 1 if a string was found and 0
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** otherwise. Errors are only output in case of invalid strings (missing end
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** of string).
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*/
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int SB_GetNumber (StrBuf* B, long* Val);
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/* Get a number from the string buffer. Accepted formats are decimal, octal,
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** hex and character constants. Numeric constants may be preceeded by a
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** minus or plus sign. The function returns 1 if a number was found and
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** zero otherwise. Errors are only output for invalid numbers.
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*/
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/* End of scanstrbuf.h */
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#endif
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