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xo-reader2 xo-expression2: define example working and printing

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def foo : f64 = 3.141593;
This commit is contained in:
Roland Conybeare 2026-01-22 18:40:42 -05:00
commit 855cdb08b7
9 changed files with 172 additions and 6 deletions
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18
src/expression2/DConstant.cpp
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@ -7,12 +7,16 @@
#include "TypeDescr.hpp"
#include <xo/object2/DFloat.hpp>
#include <xo/object2/DInteger.hpp>
#include <xo/facet/FacetRegistry.hpp>
#include <xo/reflect/Reflect.hpp>
#include <xo/printable2/Printable.hpp>
#include <xo/reflectutil/typeseq.hpp>
namespace xo {
using xo::scm::DFloat;
using xo::scm::DInteger;
using xo::print::APrintable;
using xo::facet::FacetRegistry;
using xo::reflect::Reflect;
using xo::reflect::TypeDescr;
using xo::reflect::typeseq;
@ -57,6 +61,20 @@ namespace xo {
return nullptr;
}
bool
DConstant::pretty(const ppindentinfo & ppii) const
{
obj<APrintable> value
= FacetRegistry::instance().variant<APrintable,AGCObject>(value_);
return ppii.pps()->pretty_struct
(ppii,
"DConstant",
refrtag("value_.tseq", value_._typeseq()),
refrtag("value.tseq", value._typeseq()),
refrtag("value", value));
}
} /*namespace scm*/
} /*namespace xo*/