mirror of https://github.com/ecmwf/eccodes.git
111 lines
2.8 KiB
C
111 lines
2.8 KiB
C
/*
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* Copyright 2005-2018 ECMWF.
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*
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* This software is licensed under the terms of the Apache Licence Version 2.0
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* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
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*
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* In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
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* virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
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*/
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/**************************************
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* Enrico Fucile
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**************************************/
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#include "grib_api_internal.h"
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/*
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This is used by make_class.pl
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START_CLASS_DEF
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CLASS = expression
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IMPLEMENTS = destroy
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IMPLEMENTS = native_type
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IMPLEMENTS = evaluate;print
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IMPLEMENTS = add_dependency
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MEMBERS = long value
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END_CLASS_DEF
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*/
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/* START_CLASS_IMP */
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/*
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Don't edit anything between START_CLASS_IMP and END_CLASS_IMP
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Instead edit values between START_CLASS_DEF and END_CLASS_DEF
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or edit "expression.class" and rerun ./make_class.pl
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*/
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typedef const char* string; /* to keep make_class.pl happy */
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static void init_class (grib_expression_class*);
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static void destroy(grib_context*,grib_expression* e);
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static void print(grib_context*,grib_expression*,grib_handle*);
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static void add_dependency(grib_expression* e, grib_accessor* observer);
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static int native_type(grib_expression*,grib_handle*);
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typedef struct grib_expression_constant{
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grib_expression base;
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/* Members defined in constant */
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long value;
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} grib_expression_constant;
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static grib_expression_class _grib_expression_class_constant = {
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0, /* super */
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"constant", /* name */
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sizeof(grib_expression_constant),/* size of instance */
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0, /* inited */
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&init_class, /* init_class */
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0, /* constructor */
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&destroy, /* destructor */
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&print,
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&add_dependency,
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&native_type,
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0,
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0,
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0,
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0,
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};
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grib_expression_class* grib_expression_class_constant = &_grib_expression_class_constant;
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static void init_class(grib_expression_class* c)
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{
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}
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/* END_CLASS_IMP */
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static long evaluate(grib_expression* g,grib_handle *h)
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{
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grib_expression_constant* e = (grib_expression_constant*)g;
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return e->value;
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}
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static void print(grib_context* c,grib_expression* g,grib_handle* f)
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{
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grib_expression_constant* e = (grib_expression_constant*)g;
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printf("constant(%ld)",e->value);
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}
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static void destroy(grib_context* c,grib_expression* g)
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{
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/* grib_expression_constant* e = (grib_expression_constant*)g; */
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}
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static void add_dependency(grib_expression* g, grib_accessor* observer){
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/* grib_expression_constant* e = (grib_expression_constant*)g; */
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}
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