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netcdf-c/ncgen/genlib.h
Dennis Heimbigner ac421620b3 Fix the handling of certain alias types on CDL files. 
re: https://github.com/Unidata/netcdf-c/issues/1977

PR https://github.com/Unidata/netcdf-c/pull/1753, changed ncgen
to allows certain type names to be used as identifiers in
selected situations.

An unwanted side effect was that existing type aliases no longer
were accepted by ncgen. Specifically, using the "long" type
caused an error.

I was able to figure out a better solution to the original
problem (https://github.com/Unidata/netcdf-c/issues/1750)
that also fixes this problem as well.

This PR fixes that problem in ncgen/ncgen.l,
and adds tests to ncdump/test_keywords.sh
2021-04-13 16:56:43 -06:00

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#ifndef NC_GENLIB_H
#define NC_GENLIB_H
/*********************************************************************
* Copyright 2018, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Header: /upc/share/CVS/netcdf-3/ncgen/genlib.h,v 1.20 2010/05/17 23:26:45 dmh Exp $
*********************************************************************/
#include "config.h"
#include <stdlib.h>
#include <limits.h>
#include "generr.h"
/* break if C Line length exceeds this*/
#define C_MAX_STMT 72
/* break if FORTRAN Line length exceeds this*/
#define F77_MAX_STMT 66
#define PATHSEPARATOR "/"
/* Convenience*/
#define REQUIRED 1
#define DONTCARE -1
#define NOTFLAT 0
#define nulllen(s) ((s)==NULL?0:strlen(s))
#define PRIMNO (NC_STRING - NC_NAT + 1)
extern struct Symbol* primsymbols[PRIMNO];
extern void derror ( const char *fmt, ... )
#ifdef _GNUC_
__attribute__ ((format (printf, 1, 2)))
#endif
;
extern void verror ( const char *fmt, ... )
#ifdef _GNUC_
__attribute__ ((format (printf, 1, 2)))
#endif
;
extern void markcdf4(const char *msg);
extern char* getmarkcdf4(void);
extern void markcdf5(const char *msg);
extern char* getmarkcdf4(void);
/*
All external procedures in ncgen.h have been moved to this file.
*/
/* from: genlib.c */
extern void define_netcdf(void);/* generates all define mode stuff */
extern void close_netcdf ( void ); /* generates close */
extern char* cprefixed(List* prefix, char* suffix, char* separator);
extern void topfqn(Symbol* sym);
extern void nestedfqn(Symbol* sym);
extern void attfqn(Symbol* sym);
/* from: escapes.c */
extern int unescape(const char*, int, int, char**);
extern int unescapeoct(const char* s);
extern int unescapehex(const char* s);
extern char* cescapifychar(unsigned int c, int quote);
extern char* codify(const char *name);
extern char* escapifychar(unsigned int c, char* s0, int quote);
extern char* escapify(char*,int,size_t);
extern char* escapifyname(char* s0);
extern void cquotestring(Bytebuffer*,char quote);
extern void f77quotestring(Bytebuffer*);
extern char* xescapify(char* s0, int quote, size_t len);
extern char* jescapify(char* s0, int quote, size_t len);
extern char* jescapifyname(char* s0);
extern char* fqnescape(const char* s);
extern char* esc_strchr(char* s, int c, int octhex);
/* from: getfill.c */
extern void nc_getfill(NCConstant*,Symbol*);
extern char* nc_dfaltfillname(nc_type);
extern struct Datalist* getfiller(Symbol*); /* symbol isa variable|type */
/* from: ncgen.y */
extern Symbol* install(const char *sname);
extern Symbol* installin(const char *sname,Symbol* grp);
extern void freesymbol(Symbol*);
extern Symbol* basetypefor(nc_type nctype);/* Convert nctype to a Symbol*/
extern Symbol* makearraytype(Symbol*, Dimset*);
/* from: cvt.c */
extern void convert1(NCConstant*,NCConstant*); /* Convert an arbitrary value to another */
extern void setprimlength(NCConstant* prim, unsigned long len);
extern struct Datalist* convertstringtochars(NCConstant* str);
extern unsigned int convertFilterID(const char* id);
/* from: semantic.c */
extern void processsemantics(void);
extern size_t nctypesize(nc_type);
extern Symbol* locate(Symbol* refsym);
extern Symbol* lookup(nc_class objectclass, Symbol* pattern);
extern Symbol* lookupingroup(nc_class objectclass, char* name, Symbol* grp);
extern Symbol* lookupgroup(List* prefix);
extern int nounlimited(Dimset* dimset, int from);
extern int lastunlimited(Dimset* dimset);
extern void padstring(NCConstant* con, size_t desiredlength, int fillchar);
extern Datalist* explodestrings(Datalist*,char*);
extern Datalist* implodestrings(Datalist*,char*);
extern int explodestringconst(NCConstant* con, char* tag, NCConstant*);
extern char* indented(int n);
/* Generators for cdf, c, and fortran */
#ifdef ENABLE_BINARY
/* from: genbin.c */
extern Generator* bin_generator;
extern void genbin_netcdf(void);
extern void genbin_close(void);
/* from: bindata.c */
extern int binary_generate_data(Datalist* data, Symbol* tsym, Datalist* fillvalue, Bytebuffer* databuf);
extern int binary_reclaim_data(Symbol* tsym, void* memory, size_t count);
#endif
#ifdef ENABLE_C
/* from: genc.c */
extern Generator* c_generator;
extern void genc_netcdf(void);
extern void genc_close(void);
extern const char* ctypename(Symbol*);
extern const char* nctype(nc_type type);
extern const char* ncctype(nc_type type);
extern const char* ncstype(nc_type type);
extern const char* cname(Symbol* sym);
#endif
#ifdef ENABLE_F77
/* from: genf77.c */
extern Generator* f77_generator;
extern void genf77_netcdf(void);
extern void genf77_close(void);
extern const char* f77name(Symbol*);
extern const char* f77typename(Symbol*);
#endif
#ifdef ENABLE_JAVA
/* from: genj.c */
extern Generator* j_generator;
extern void genjava_netcdf(void);
extern void genjava_close(void);
extern void jpartial(char*);
extern void jline(char*);
extern void jlined(int,char*);
extern void jflush(void);
#endif
/* from: main.c */
extern int k_flag; /* -k value from command line*/
extern int format_attribute; /* 1 if format came from _FORMAT attribute */
extern int enhanced_flag; /* 1 => netcdf-4 constructs appear in the parse */
extern int cdf5_flag; /* 1 => cdf-5 unsigned types in the parse */
extern int specials_flag; /* 1 => special attributes are present */
extern int usingclassic; /* 1 => k_flag == 1|2|5 */
extern int k_flag;
extern int ncloglevel;
extern int wholevarsize;
extern GlobalSpecialData globalspecials;
/* Global data */
extern List* symlist; /* all symbol objects created */
extern Symbol* rootgroup;
/* Track definitions of dims, types, attributes, and vars*/
extern List* grpdefs;
extern List* dimdefs;
extern List* attdefs;
extern List* gattdefs;
extern List* xattdefs;
extern List* typdefs;
extern List* vardefs;
extern List* condefs;
extern int CDFmodel;
extern int lineno;
extern int derror_count;
extern int kflag_flag;
extern int cmode_modifier;
extern Language l_flag;
extern char* binary_ext;
extern int nofill_flag;
extern int header_only;
extern char* mainname;
extern char* progname; /* for error messages*/
extern char *netcdf_name; /* command line -o file name */
extern char *datasetname; /* name from the netcdf <name> {} */
extern char *cdlname; /* name from the command line */
extern size_t zerosvector[NC_MAX_VAR_DIMS];
extern size_t onesvector[NC_MAX_VAR_DIMS];
extern const char* specialname(int tag);
extern void init_netcdf(void);
extern void finalize_netcdf(int);
extern void parse_init(void);
extern int ncgparse(void);
#endif /*!NC_GENLIB_H*/
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