netcdf-c/libncdap3/ceparselex.h
2010-06-03 13:24:43 +00:00

95 lines
3.0 KiB
C

/* Copyright 2009, UCAR/Unidata and OPeNDAP, Inc.
See the COPYRIGHT file for more information. */
#ifndef CEPARSELEX_H
#define CEPARSELEX_H
#include "config.h"
#include "ncdap3.h"
#include "cetab.h"
#include "dapdebug.h"
#include "dapdump.h"
#ifdef WIN32
#define strcasecmp stricmp
#define snprintf _snprintf
#endif
/* For consistency with Java parser */
#define null NULL
typedef void* Object;
#define YYSTYPE Object
#define MAX_TOKEN_LENGTH 1024
/*! Specifies CElexstate. */
typedef struct CElexstate {
char* input;
char* next; /* next char in uri.query */
NCbytes* yytext;
/*! Specifies the Lasttoken. */
int lasttoken;
char lasttokentext[MAX_TOKEN_LENGTH+1]; /* leave room for trailing null */
NClist* reclaim; /* reclaim SCAN_WORD instances */
} CElexstate;
/*! Specifies CEparsestate. */
typedef struct CEparsestate {
NClist* projections;
NClist* selections;
char errorbuf[1024];
int errorcode;
CElexstate* lexstate;
int ncconstraint;
} CEparsestate;
/* Define a generic object carrier; this serves
essentially the same role as the typical bison %union
declaration
*/
#ifdef IGNORE
typedef struct CEobject {
NClist* list; /* contents depend on context */
struct NCsegment* segment; /*temporary */
struct NCprojection* projection; /*temporary */
struct NCselection* selection; /* temporary */
} CEobject;
#endif
extern int ceerror(CEparsestate*,char*);
extern void ce_parse_error(CEparsestate*,const char *fmt, ...);
/* bison parse entry point */
extern int ceparse(CEparsestate*);
extern int yyerror(CEparsestate* state, char* msg);
extern void projections(CEparsestate* state, Object list0);
extern void selections(CEparsestate* state, Object list0);
extern Object projectionlist(CEparsestate* state, Object list0, Object decl);
extern Object projection(CEparsestate* state, Object segmentlist);
extern Object segmentlist(CEparsestate* state, Object list0, Object decl);
extern Object segment(CEparsestate* state, Object name, Object slices0);
extern Object array_indices(CEparsestate* state, Object list0, Object decl);
extern Object range(CEparsestate* state, Object, Object, Object);
extern Object selectionlist(CEparsestate* state, Object list0, Object decl);
extern Object sel_clause(CEparsestate* state, int selcase, Object path0, Object relop0, Object values);
extern Object selectionpath(CEparsestate* state, Object list0, Object text);
extern Object arrayelement(CEparsestate* state, Object name, Object index);
extern Object function(CEparsestate* state, Object fcnname, Object args);
extern Object arg_list(CEparsestate* state, Object list0, Object decl);
extern Object value_list(CEparsestate* state, Object list0, Object decl);
extern Object value(CEparsestate* state, Object text, int tag);
/* lexer interface */
extern int celex(YYSTYPE*, CEparsestate*);
extern void celexinit(char* input, CElexstate** lexstatep);
extern void celexcleanup(CElexstate** lexstatep);
extern int cedebug;
#endif /*CEPARSELEX_H*/