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/* Copyright (C) 2009-2014, 2016 D. V. Wiebe
*
***************************************************************************
*
* This file is part of the GetData project.
*
* GetData is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* GetData is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GetData; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "internal.h"
gd_type_t _GD_NativeType(DIRFILE *restrict D, gd_entry_t *restrict E, int repr)
{
gd_type_t type = GD_UNKNOWN;
int i;
dtrace("%p, %p, 0x%X", D, E, repr);
if (++D->recurse_level >= GD_MAX_RECURSE_LEVEL) {
_GD_SetError(D, GD_E_RECURSE_LEVEL, GD_E_RECURSE_CODE, NULL, 0, E->field);
D->recurse_level--;
dreturn("%u", GD_UNKNOWN);
return GD_UNKNOWN;
}
if (!(E->flags & GD_EN_CALC))
_GD_CalculateEntry(D, E, 1);
_GD_FindInputs(D, E, 1);
if (D->error) {
dreturn("%u", GD_UNKNOWN);
return GD_UNKNOWN;
}
switch(E->field_type) {
case GD_RAW_ENTRY:
type = E->EN(raw,data_type);
break;
case GD_LINCOM_ENTRY:
if (!(E->flags & GD_EN_CALC))
_GD_CalculateEntry(D, E, 1);
if (E->flags & GD_EN_COMPSCAL) {
type = GD_COMPLEX128;
break;
}
type = GD_FLOAT64;
for (i = 0; i < E->EN(lincom,n_fields); ++i)
if (_GD_NativeType(D, E->e->entry[i], E->e->repr[i]) & GD_COMPLEX) {
type = GD_COMPLEX128;
break;
}
break;
case GD_LINTERP_ENTRY:
/* initialise the table, if necessary */
if (E->e->u.linterp.table_len < 0) {
if (_GD_ReadLinterpFile(D, E))
break;
}
type = E->e->u.linterp.complex_table ? GD_COMPLEX128 : GD_FLOAT64;
break;
case GD_MULTIPLY_ENTRY:
case GD_DIVIDE_ENTRY:
type = (_GD_NativeType(D, E->e->entry[0], E->e->repr[0]) & GD_COMPLEX
|| _GD_NativeType(D, E->e->entry[1], E->e->repr[1]) & GD_COMPLEX)
? GD_COMPLEX128 : GD_FLOAT64;
break;
case GD_RECIP_ENTRY:
type = ((_GD_NativeType(D, E->e->entry[0], E->e->repr[0]) & GD_COMPLEX)
|| (E->flags & GD_EN_COMPSCAL)) ? GD_COMPLEX128 : GD_FLOAT64;
break;
case GD_BIT_ENTRY:
case GD_INDEX_ENTRY:
type = GD_UINT64;
break;
case GD_PHASE_ENTRY:
case GD_WINDOW_ENTRY:
case GD_MPLEX_ENTRY:
type = _GD_NativeType(D, E->e->entry[0], E->e->repr[0]);
break;
case GD_POLYNOM_ENTRY:
if (E->flags & GD_EN_COMPSCAL) {
type = GD_COMPLEX128;
break;
}
type = (_GD_NativeType(D, E->e->entry[0], E->e->repr[0]) & GD_COMPLEX) ?
GD_COMPLEX128 : GD_FLOAT64;
break;
case GD_SBIT_ENTRY:
type = GD_INT64;
break;
case GD_CONST_ENTRY:
case GD_CARRAY_ENTRY:
type = _GD_ConstType(D, E->EN(scalar,const_type));
break;
case GD_INDIR_ENTRY:
type = _GD_NativeType(D, E->e->entry[1], E->e->repr[1]);
break;
case GD_STRING_ENTRY:
case GD_SARRAY_ENTRY:
case GD_SINDIR_ENTRY:
type = GD_STRING;
break;
case GD_NO_ENTRY:
case GD_ALIAS_ENTRY:
_GD_InternalError(D);
}
/* representation */
if (repr != GD_REPR_NONE) {
if (type == GD_COMPLEX128)
type = GD_FLOAT64;
else if (type == GD_COMPLEX64)
type = GD_FLOAT32;
}
/* catch errors */
if (D->error)
type = GD_UNKNOWN;
D->recurse_level--;
dreturn("0x%02x", type);
return type;
}
gd_type_t gd_native_type(DIRFILE* D, const char* field_code) gd_nothrow
{
gd_type_t type = GD_UNKNOWN;
gd_entry_t* entry;
int repr;
dtrace("%p, \"%s\"", D, field_code);
GD_RETURN_IF_INVALID(D, "0x%X", GD_UNKNOWN);
entry = _GD_FindFieldAndRepr(D, field_code, &repr, NULL, 1);
if (D->error) {
dreturn("0x%x", GD_UNKNOWN);
return GD_UNKNOWN;
}
type = _GD_NativeType(D, entry, repr);
dreturn("0x%x", type);
return type;
}
/* vim: ts=2 sw=2 et tw=80
*/
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