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149 lines
4.7 KiB
C
149 lines
4.7 KiB
C
/**
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@cond IGNORE
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======================================================
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SFSEXP: Small, Fast S-Expression Library version 1.2
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Written by Matthew Sottile (mjsottile@gmail.com)
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======================================================
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Copyright (2003-2006). The Regents of the University of California. This
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material was produced under U.S. Government contract W-7405-ENG-36 for Los
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Alamos National Laboratory, which is operated by the University of
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California for the U.S. Department of Energy. The U.S. Government has rights
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to use, reproduce, and distribute this software. NEITHER THE GOVERNMENT NOR
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THE UNIVERSITY MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY
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LIABILITY FOR THE USE OF THIS SOFTWARE. If software is modified to produce
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derivative works, such modified software should be clearly marked, so as not
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to confuse it with the version available from LANL.
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Additionally, this library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, U SA
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LA-CC-04-094
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@endcond
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**/
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#ifndef __SEXP_ERRORS_H__
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#define __SEXP_ERRORS_H__
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/**
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* \file sexp_errors.h
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*
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* \brief Error conditions are enumerated here along with any routines for
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* translating error codes to human readable messages.
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*/
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/**
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* Error codes used by the library are defined in this enumeration. They
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* are either used as values for the error field within the continuation
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* structures, or as return values for functions with a return type of
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* sexp_errcode_t.
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*/
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typedef enum {
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/**
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* no error.
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*/
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SEXP_ERR_OK = 0,
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/**
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* memory error. malloc/realloc/calloc failures may result in this error
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* code. this can either result from the system calls failing, or in the
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* limited memory mode of the library, the memory limit being exceeded.
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* In limited memory mode, if this error condition is present, one should
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* check the memory limits that were in place during the erroneous call.
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*/
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SEXP_ERR_MEMORY,
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/**
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* badly formed expression. Missing, misplaced, or mismatched parenthesis
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* will result in this error.
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*/
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SEXP_ERR_BADFORM,
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/**
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* a sexp_t that is inconsistent will result in this error code. An example
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* is a SEXP_BASIC sexp_t with a null val field but a non-zero val_used
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* value. Similar cases exist for SEXP_DQUOTE, SQUOTE, and BINARY types.
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* This value is also used in the parser to flag a case where an inlined
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* binary block is given a negative length.
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*/
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SEXP_ERR_BADCONTENT,
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/**
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* if a null string is passed into the parser, this error occurs.
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*/
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SEXP_ERR_NULLSTRING,
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/**
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* general IO related errors, such as failure of fopen(). these are
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* basically non-starters with respect to getting the IO routines going.
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*/
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SEXP_ERR_IO,
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/**
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* I/O routines that return NULL may simply have nothing to read. This is
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* sometimes an error condition if the io wrapper continuation contains a
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* partially complete s-expression, but nothing more is present (yet) on the
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* file descriptor.
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*/
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SEXP_ERR_IO_EMPTY,
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/**
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* when running the library under limited memory (ie, _SEXP_LIMIT_MEMORY_
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* defined at build time), this error will be produced when the memory
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* limit is exceeded.
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*/
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SEXP_ERR_MEM_LIMIT,
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/**
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* buffer for unparsing is full.
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*/
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SEXP_ERR_BUFFER_FULL,
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/**
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* routines that take parameters such as memory limits, growth sizes, or
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* default sizes, can produce this error if a bad value has been passed in.
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* this error usually will indicate that the parameters were bad and the
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* default values were used instead (ie, it is non-fatal.).
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*/
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SEXP_ERR_BAD_PARAM,
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/**
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* bad stack state encountered.
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*/
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SEXP_ERR_BAD_STACK,
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/**
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* unknown parser state
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*/
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SEXP_ERR_UNKNOWN_STATE,
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/**
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* parsing is incomplete and need more data to complete it.
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*/
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SEXP_ERR_INCOMPLETE,
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/**
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* this error code indicates that an atom was created with
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* the incorrect constructor. For example, attempting to
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* create a binary mode atom with the new_sexp_atom
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* constructor intended for text atoms will cause this to
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* be set.
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*/
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SEXP_ERR_BAD_CONSTRUCTOR
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} sexp_errcode_t;
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#endif /* __SEXP_ERRORS_H__ */
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