mirror of
https://github.com/Unidata/netcdf-c.git
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186 lines
4.3 KiB
C
186 lines
4.3 KiB
C
/*********************************************************************
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* Copyright 2009, UCAR/Unidata
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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*********************************************************************/
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/* $Id: f77data.c,v 1.4 2010/05/24 19:59:57 dmh Exp $ */
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/* $Header: /upc/share/CVS/netcdf-3/ncgen/f77data.c,v 1.4 2010/05/24 19:59:57 dmh Exp $ */
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#include "includes.h"
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#include "offsets.h"
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#ifdef ENABLE_F77
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/* Forward*/
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static void f77data_primdata(Symbol*, Datasrc*, Bytebuffer*, Datalist*);
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/**************************************************/
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/* Code for generating FORTRAN 77 language data lists*/
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/**************************************************/
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/* Datalist rules: see the rules on the man page */
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/* Specialty wrappers for f77data_data */
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void
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f77data_attrdata(Symbol* asym, Bytebuffer* databuf)
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{
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Datasrc* src;
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int typecode = asym->typ.basetype->typ.typecode;
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if(asym->data == NULL) return;
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if(typecode == NC_CHAR) {
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gen_charattr(asym,databuf);
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} else {
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src = datalist2src(asym->data);
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while(srcmore(src)) {
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bbAppend(databuf,' ');
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f77data_basetype(asym->typ.basetype,src,databuf,NULL);
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}
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}
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}
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void
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f77data_array(Symbol* vsym,
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Bytebuffer* databuf,
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Datasrc* src,
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Odometer* odom,
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int index,
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Datalist* fillsrc)
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{
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int i;
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int rank = odom->rank;
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int firstdim = (index == 0); /* last dimension*/
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int lastdim = (index == (rank - 1)); /* last dimension*/
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size_t count;
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Symbol* basetype = vsym->typ.basetype;
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int isunlimited = (odom->declsize[index] == 0);
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int pushed=0;
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ASSERT(index >= 0 && index < rank);
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count = odom->count[index];
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if(!firstdim && isunlimited && issublist(src)) {
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srcpush(src);
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pushed = 1;
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}
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if(lastdim) {
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for(i=0;i<count;i++) {
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f77data_basetype(basetype,src,databuf,fillsrc);
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}
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} else {
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/* now walk count elements and generate recursively */
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for(i=0;i<count;i++) {
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f77data_array(vsym,databuf,src,odom,index+1,fillsrc);
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}
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}
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if(isunlimited && pushed) srcpop(src);
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return;
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}
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/* Generate an instance of the basetype using datasrc */
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void
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f77data_basetype(Symbol* tsym, Datasrc* datasrc, Bytebuffer* codebuf, Datalist* fillsrc)
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{
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switch (tsym->subclass) {
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case NC_PRIM:
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if(issublist(datasrc)) {
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semerror(srcline(datasrc),"Expected primitive found {..}");
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}
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bbAppend(codebuf,' ');
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f77data_primdata(tsym,datasrc,codebuf,fillsrc);
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break;
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default: PANIC1("f77data_basetype: unexpected subclass %d",tsym->subclass);
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}
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}
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static void
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f77data_primdata(Symbol* basetype, Datasrc* src, Bytebuffer* codebuf, Datalist* fillsrc)
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{
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Constant* prim;
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Constant target;
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prim = srcnext(src);
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if(prim == NULL) prim = &fillconstant;
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ASSERT(prim->nctype != NC_COMPOUND);
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if(prim->nctype == NC_FILLVALUE) {
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Datalist* filler = getfiller(basetype,fillsrc);
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ASSERT(filler->length == 1);
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srcpushlist(src,filler);
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bbAppend(codebuf,' ');
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f77data_primdata(basetype,src,codebuf,NULL);
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srcpop(src);
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goto done;
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}
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target.nctype = basetype->typ.typecode;
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convert1(prim,&target);
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bbCat(codebuf,f77data_const(&target));
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done:
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return;
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}
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/* Result is a pool string or a constant => do not free*/
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char*
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f77data_const(Constant* ci)
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{
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char tmp[64];
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char* result = NULL;
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tmp[0] = '\0';
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switch (ci->nctype) {
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case NC_CHAR:
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{
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strcpy(tmp,"'");
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escapifychar(ci->value.charv,tmp+1,'\'');
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strcat(tmp,"'");
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}
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break;
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case NC_BYTE:
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sprintf(tmp,"%hhd",ci->value.int8v);
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break;
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case NC_SHORT:
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sprintf(tmp,"%hd",ci->value.int16v);
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break;
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case NC_INT:
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sprintf(tmp,"%d",ci->value.int32v);
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break;
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case NC_FLOAT:
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sprintf(tmp,"%.8g",ci->value.floatv);
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break;
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case NC_DOUBLE: {
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char* p = tmp;
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/* FORTRAN requires e|E->D */
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sprintf(tmp,"%.16g",ci->value.doublev);
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while(*p) {if(*p == 'e' || *p == 'E') {*p = 'D';}; p++;}
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} break;
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case NC_STRING:
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{
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Bytebuffer* buf = bbNew();
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bbAppendn(buf,ci->value.stringv.stringv,ci->value.stringv.len);
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f77quotestring(buf);
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result = bbDup(buf);
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bbFree(buf);
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goto done;
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}
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break;
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default: PANIC1("ncstype: bad type code: %d",ci->nctype);
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}
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result = pooldup(tmp);
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done:
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return result; /*except for NC_STRING and NC_OPAQUE*/
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}
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#endif /*ENABLE_F77*/
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