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xo-XXX -> .xo-XXX (prep subrepo)

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Roland Conybeare 2026-06-06 22:00:54 -04:00
commit cf0bd4d975
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78
xo-reader/include/xo/reader/exprstatestack.hpp
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@ -1,78 +0,0 @@
/* file exprstatestack.hpp
*
* author: Roland Conybeare, Aug 2024
*/
#pragma once
#include "exprstate.hpp"
#include "xo/indentlog/print/vector.hpp"
#include "xo/indentlog/print/pretty.hpp"
namespace xo {
namespace scm {
/** @class exprstatestack
* @brief A stack of exprstate objects
**/
class exprstatestack {
public:
using ppstate = xo::print::ppstate;
using ppindentinfo = xo::print::ppindentinfo;
public:
exprstatestack() {}
bool empty() const { return stack_.empty(); }
std::size_t size() const { return stack_.size(); }
exprstate & top_exprstate();
void push_exprstate(std::unique_ptr<exprstate> exs);
std::unique_ptr<exprstate> pop_exprstate();
void reset_to_toplevel();
/** relative to top-of-stack.
* 0 -> top (last in), z-1 -> bottom (first in)
**/
std::unique_ptr<exprstate> & operator[](std::size_t i) {
std::size_t z = stack_.size();
assert(i < z);
return stack_[z - i - 1];
}
const std::unique_ptr<exprstate> & operator[](std::size_t i) const {
std::size_t z = stack_.size();
assert(i < z);
return stack_[z - i - 1];
}
void print (std::ostream & os) const;
bool pretty_print(const ppindentinfo & ppii) const;
private:
std::vector<std::unique_ptr<exprstate>> stack_;
};
inline std::ostream &
operator<< (std::ostream & os, const exprstatestack & x) {
x.print(os);
return os;
}
inline std::ostream &
operator<< (std::ostream & os, const exprstatestack * x) {
if (x)
x->print(os);
else
os << "nullptr";
return os;
}
} /*namespace scm*/
} /*namespace xo*/
/* end exprstatestack.hpp */