Initial revision
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@2 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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Dave Beazley
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261
Source/DOH/Include/doh.h
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261
Source/DOH/Include/doh.h
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/*******************************************************************************
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* DOH (Dynamic Object Hack)
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*
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* Author : David Beazley
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*
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* Department of Computer Science
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* University of Chicago
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* 1100 E 58th Street
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* Chicago, IL 60637
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* beazley@cs.uchicago.edu
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*
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* Please read the file LICENSE for the copyright and terms by which SWIG
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* can be used and distributed.
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*******************************************************************************/
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/***********************************************************************
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* $Header$
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*
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* doh.h
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***********************************************************************/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <ctype.h>
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#include <stdarg.h>
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typedef void DOH;
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#define DOH_BEGIN -1
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#define DOH_END -2
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#define DOH_CUR -3
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#define DOH_MAGIC 0x04
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/* -----------------------------------------------------------------------------
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* Object classes
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* ----------------------------------------------------------------------------- */
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/* Mapping Objects */
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typedef struct {
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DOH *(*doh_getattr)(DOH *obj, DOH *name); /* Get attribute */
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int (*doh_setattr)(DOH *obj, DOH *name, DOH *value); /* Set attribute */
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int (*doh_delattr)(DOH *obj, DOH *name); /* Del attribute */
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DOH *(*doh_firstkey)(DOH *obj); /* First key */
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DOH *(*doh_nextkey)(DOH *obj); /* Next key */
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} DohMappingMethods;
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/* Sequence methods */
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typedef struct {
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DOH *(*doh_getitem)(DOH *obj, int index);
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int (*doh_setitem)(DOH *obj, int index, DOH *value);
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int (*doh_delitem)(DOH *obj, int index);
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int (*doh_insitem)(DOH *obj, int index, DOH *value);
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int (*doh_insertf)(DOH *obj, int index, char *format, va_list ap);
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DOH *(*doh_first)(DOH *obj);
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DOH *(*doh_next)(DOH *obj);
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} DohSequenceMethods;
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/* File methods */
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typedef struct {
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int (*doh_read)(DOH *obj, void *buffer, int nbytes);
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int (*doh_write)(DOH *obj, void *buffer, int nbytes);
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int (*doh_seek)(DOH *obj, long offset, int whence);
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long (*doh_tell)(DOH *obj);
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int (*doh_printf)(DOH *obj, char *format, va_list ap);
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int (*doh_scanf)(DOH *obj, char *format, va_list ap);
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int (*doh_close)(DOH *obj);
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} DohFileMethods;
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/* -----------------------------------------------------------------------------
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* DohObjInfo
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*
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* Included in all DOH types.
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* ----------------------------------------------------------------------------- */
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typedef struct DohObjInfo {
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char *objname; /* Object name */
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int objsize; /* Object size */
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/* Basic object methods */
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void (*doh_del)(DOH *obj); /* Delete object */
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DOH *(*doh_copy)(DOH *obj); /* Copy and object */
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void (*doh_clear)(DOH *obj); /* Clear an object */
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/* Output methods */
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DOH *(*doh_str)(DOH *obj); /* Make a full string */
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void *(*doh_data)(DOH *obj); /* Return raw data */
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/* Length and hash values */
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int (*doh_len)(DOH *obj);
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int (*doh_hash)(DOH *obj);
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/* Compare */
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int (*doh_cmp)(DOH *obj1, DOH *obj2);
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DohMappingMethods *doh_mapping; /* Mapping methods */
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DohSequenceMethods *doh_sequence; /* Sequence methods */
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DohFileMethods *doh_file; /* File methods */
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void *reserved2; /* Number methods */
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void *reserved3;
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void *reserved4;
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void *user[16]; /* User extensions */
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} DohObjInfo;
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/* Low-level doh methods. Do not call directly (well, unless you want to). */
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extern void DohDestroy(DOH *obj);
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extern DOH *DohCopy(DOH *obj);
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extern void DohClear(DOH *obj);
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extern int DohCmp(DOH *obj1, DOH *obj2);
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extern DOH *DohStr(DOH *obj);
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extern DOH *DohGetattr(DOH *obj, DOH *name);
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extern int DohSetattr(DOH *obj, DOH *name, DOH *value);
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extern void DohDelattr(DOH *obj, DOH *name);
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extern int DohHashval(DOH *obj);
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extern DOH *DohGetitem(DOH *obj, int index);
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extern void DohSetitem(DOH *obj, int index, DOH *value);
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extern void DohDelitem(DOH *obj, int index);
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extern void DohInsertitem(DOH *obj, int index, DOH *value);
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extern void DohInsertf(DOH *obj, int index, char *format, ...);
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extern void DohvInsertf(DOH *obj, int index, char *format, va_list ap);
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extern void DohAppendf(DOH *obj, char *format, ...);
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extern void DohvAppendf(DOH *obj, char *format, va_list ap);
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extern int DohLen(DOH *obj);
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extern DOH *DohFirst(DOH *obj);
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extern DOH *DohNext(DOH *obj);
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extern DOH *DohFirstkey(DOH *obj);
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extern DOH *DohNextkey(DOH *obj);
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extern void *DohData(DOH *obj);
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extern int DohGetline(DOH *obj);
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extern void DohSetline(DOH *obj, int line);
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extern DOH *DohGetfile(DOH *obj);
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extern void DohSetfile(DOH *obj, DOH *file);
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extern int DohCheck(DOH *obj);
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extern void DohInit(DOH *obj);
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/* File methods */
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extern int DohWrite(DOH *obj, void *buffer, int length);
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extern int DohRead(DOH *obj, void *buffer, int length);
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extern int DohSeek(DOH *obj, long offser, int whence);
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extern long DohTell(DOH *obj);
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extern int DohPrintf(DOH *obj, char *format, ...);
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extern int DohvPrintf(DOH *obj, char *format, va_list ap);
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extern int DohScanf(DOH *obj, char *format, ...);
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extern int DohvScanf(DOH *obj, char *format, va_list ap);
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/* Macros to invoke the above functions. Includes the location of
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the caller to simplify debugging if something goes wrong */
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#define Delete DohDestroy
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#define Copy DohCopy
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#define Clear DohClear
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#define Str DohStr
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#define Signature DohSignature
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#define Getattr DohGetattr
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#define Setattr DohSetattr
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#define Delattr DohDelattr
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#define Hashval DohHashval
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#define Getitem DohGetitem
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#define Setitem DohSetitem
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#define Delitem DohDelitem
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#define Insert DohInsertitem
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#define Insertf DohInsertitemf
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#define vInsertf DohvInsertitemf
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#define Append(s,x) DohInsertitem(s,DOH_END,x)
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#define Appendf DohAppendf
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#define vAppendf DohvAppendf
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#define Push(s,x) DohInsertitem(s,DOH_BEGIN,x)
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#define Len DohLen
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#define First DohFirst
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#define Next DohNext
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#define Firstkey DohFirstkey
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#define Nextkey DohNextkey
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#define Data DohData
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#define Char (char *) Data
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#define Cmp DohCmp
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#define Setline DohSetline
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#define Getline DohGetline
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#define Setfile DohSetfile
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#define Getfile DohGetfile
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#define Write DohWrite
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#define Read DohRead
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#define Seek DohSeek
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#define Tell DohTell
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#define Printf DohPrintf
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#define vPrintf DohvPrintf
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#define Scanf DohScanf
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#define vScanf DohvScanf
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/* -----------------------------------------------------------------------------
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* DohBase
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*
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* DohBase object type. Attributes common to all objects.
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* ----------------------------------------------------------------------------- */
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#define DOHCOMMON \
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char magic; \
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char moremagic[3]; \
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DohObjInfo *objinfo; \
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int refcount; \
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int line; \
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DOH *file
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typedef struct {
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DOHCOMMON;
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} DohBase;
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/* Macros for decrefing and increfing (safe for null objects). */
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#define Decref(a) if (a) ((DohBase *) a)->refcount--;
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#define Incref(a) if (a) ((DohBase *) a)->refcount++;
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#define Objname(a) ((DohBase *) a)->objinfo->objname
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/* -----------------------------------------------------------------------------
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* Strings.
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* ----------------------------------------------------------------------------- */
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extern DOH *NewString(char *c);
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extern int String_check(DOH *s);
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extern void String_replace(DOH *s, DOH *token, DOH *rep, int flags);
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extern DohObjInfo *String_type();
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/* String replacement flags */
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#define DOH_REPLACE_ANY 0x00
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#define DOH_REPLACE_NOQUOTE 0x01
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#define DOH_REPLACE_ID 0x02
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#define DOH_REPLACE_FIRST 0x04
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/* -----------------------------------------------------------------------------
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* Files
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* ----------------------------------------------------------------------------- */
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extern DOH *NewFile(char *file, char *mode);
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extern DOH *NewFileFromFile(FILE *f);
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extern DohObjInfo *File_type();
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/* -----------------------------------------------------------------------------
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* List
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* ----------------------------------------------------------------------------- */
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extern DOH *NewList();
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extern int List_check(DOH *);
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extern void List_sort(DOH *);
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extern DohObjInfo *List_type();
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/* -----------------------------------------------------------------------------
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* Hash
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* ----------------------------------------------------------------------------- */
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extern DOH *NewHash();
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extern int Hash_check(DOH *h);
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extern DOH *Hash_keys(DOH *);
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extern DohObjInfo *Hash_type();
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