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106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/* Copyright 2018, UCAR/Unidata and OPeNDAP, Inc.
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See the COPYRIGHT file for more information. */
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#ifndef DCEPARSELEX_H
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#define DCEPARSELEX_H
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#include "config.h"
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/* Forward */
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struct DCEparsestate;
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typedef struct DCEparsestate DCEparsestate;
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#include "dcetab.h"
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#ifdef _WIN32
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#endif
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/* For consistency with Java parser */
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#ifndef null
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#define null NULL
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#endif
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typedef void* Object;
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#define YYSTYPE Object
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#define MAX_TOKEN_LENGTH 1024
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/*! Specifies DCElexstate. */
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typedef struct DCElexstate {
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char* input;
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char* next; /* next char in uri.query */
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NCbytes* yytext;
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/*! Specifies the Lasttoken. */
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int lasttoken;
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char lasttokentext[MAX_TOKEN_LENGTH+1]; /* leave room for trailing null */
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NClist* reclaim; /* reclaim SCAN_WORD instances */
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} DCElexstate;
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/*! Specifies DCEparsestate. */
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struct DCEparsestate {
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DCEconstraint* constraint;
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char errorbuf[1024];
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int errorcode;
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DCElexstate* lexstate;
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};
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/* Define a generic object carrier; this serves
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essentially the same role as the typical bison %union
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declaration
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*/
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extern int ceerror(DCEparsestate*,char*);
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extern void ce_parse_error(DCEparsestate*,const char *fmt, ...);
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/* bison parse entry point */
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extern int dceparse(DCEparsestate*);
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extern int dceerror(DCEparsestate* state, char* msg);
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extern void projections(DCEparsestate* state, Object list0);
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extern void selections(DCEparsestate* state, Object list0);
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extern Object projectionlist(DCEparsestate* state, Object list0, Object decl);
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extern Object projection(DCEparsestate* state, Object segmentlist);
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extern Object segmentlist(DCEparsestate* state, Object list0, Object decl);
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extern Object segment(DCEparsestate* state, Object name, Object slices0);
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extern Object array_indices(DCEparsestate* state, Object list0, Object decl);
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extern Object range(DCEparsestate* state, Object, Object, Object);
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extern Object selectionlist(DCEparsestate* state, Object list0, Object decl);
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extern Object sel_clause(DCEparsestate* state, int selcase, Object path0, Object relop0, Object values);
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extern Object selectionpath(DCEparsestate* state, Object list0, Object text);
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extern Object arrayelement(DCEparsestate* state, Object name, Object index);
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extern Object function(DCEparsestate* state, Object fcnname, Object args);
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extern Object arg_list(DCEparsestate* state, Object list0, Object decl);
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extern Object value_list(DCEparsestate* state, Object list0, Object decl);
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extern Object value(DCEparsestate* state, Object value);
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extern Object makeselectiontag(CEsort);
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extern Object indexer(DCEparsestate* state, Object name, Object indices);
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extern Object indexpath(DCEparsestate* state, Object list0, Object index);
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extern Object var(DCEparsestate* state, Object indexpath);
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extern Object constant(DCEparsestate* state, Object val, int tag);
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extern Object clauselist(DCEparsestate* state, Object list0, Object decl);
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extern Object range1(DCEparsestate* state, Object rangenumber);
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extern Object rangelist(DCEparsestate* state, Object list0, Object decl);
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/* lexer interface */
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extern int dcelex(YYSTYPE*, DCEparsestate*);
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extern void dcelexinit(char* input, DCElexstate** lexstatep);
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extern void dcelexcleanup(DCElexstate** lexstatep);
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extern int dcedebug;
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#ifdef PARSEDEBUG
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extern Object debugobject(Object);
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#define checkobject(x) debugobject(x)
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#else
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#define checkobject(x) (x)
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#endif
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extern int dapceparse(char* input, DCEconstraint*, char**);
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#endif /*DCEPARSELEX_H*/
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