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pretty printing -- copmlete for xo::ast::GeneralizedExpression

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This commit is contained in:
Roland Conybeare 2025-07-19 11:47:03 -05:00
commit 2e0846823b
67 changed files with 1230 additions and 478 deletions
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54
xo-expression/src/expression/Variable.cpp
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@ -2,6 +2,7 @@
#include "Variable.hpp"
#include "Environment.hpp"
#include "pretty_expression.hpp"
namespace xo {
namespace ast {
@ -37,6 +38,59 @@ namespace xo {
os << xtag("type", "nullptr");
os << ">";
} /*display*/
std::uint32_t
Variable::pretty_print(const ppindentinfo & ppii) const {
/* 1. rtag instead of refrtag:
* print::quot() is a temporary rvalue; lifetime ends before control enters pretty_struct()
*/
return ppii.pps()->pretty_struct(ppii, "Variable",
refrtag("name", name_),
rtag("type", print::quot(this->valuetype()
? this->valuetype()->short_name()
: "nullptr")));
#ifdef OBSOLETE
ppstate * pps = ppii.pps();
if (ppii.upto()) {
if (!pps->print_upto("<Variable"))
return false;
if (!pps->print_upto_tag("name", name_))
return false;
if (this->valuetype()) {
if (!pps->print_upto_tag("type", this->valuetype()->short_name()))
return false;
} else {
if (!pps->print_upto_tag("type", "nullptr"))
return false;
}
pps->write(">");
return true;
} else {
pps->write("<Variable");
pps->newline_pretty_tag(ppii.ci1(), "name", name_);
/* use tag instead of rtag for type,
* since not guaranteed to print machine-readably
*/
if (this->valuetype()) {
pps->newline_indent(ppii.ci1());
pps->pretty(xtag("type", this->valuetype()->short_name()));
} else {
pps->newline_pretty_tag(ppii.ci1(), "type", "nullptr");
}
pps->write(">");
return false;
}
#endif
}
} /*namespace ast*/
} /*namespace xo*/