122 lines
3.1 KiB
C++
122 lines
3.1 KiB
C++
/* @file Sequence.cpp */
|
|
|
|
#include "Sequence.hpp"
|
|
#include "pretty_expression.hpp"
|
|
#include <cstddef>
|
|
|
|
namespace xo {
|
|
namespace scm {
|
|
std::set<std::string>
|
|
Sequence::get_free_variables() const {
|
|
std::set<std::string> retval;
|
|
|
|
for (const auto & x : expr_v_) {
|
|
std::set<std::string> free_vars;
|
|
free_vars = x->get_free_variables();
|
|
|
|
for (const auto & y : free_vars)
|
|
retval.insert(y);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
std::size_t
|
|
Sequence::visit_preorder(VisitFn visitor_fn) {
|
|
std::size_t n = 1;
|
|
|
|
visitor_fn(this);
|
|
|
|
for (const auto & x : expr_v_)
|
|
n += x->visit_preorder(visitor_fn);
|
|
|
|
return n;
|
|
}
|
|
|
|
std::size_t
|
|
Sequence::visit_layer(VisitFn visitor_fn) {
|
|
std::size_t n = 1;
|
|
|
|
visitor_fn(this);
|
|
|
|
for (const auto & x : expr_v_)
|
|
n += x->visit_layer(visitor_fn);
|
|
|
|
return n;
|
|
}
|
|
|
|
rp<Expression>
|
|
Sequence::xform_layer(TransformFn xform_fn) {
|
|
for (std::size_t i = 0, n = expr_v_.size(); i < n; ++i) {
|
|
expr_v_[i] = expr_v_[i]->xform_layer(xform_fn);
|
|
}
|
|
|
|
return xform_fn(this);
|
|
}
|
|
|
|
void
|
|
Sequence::attach_envs(bp<SymbolTable> p) {
|
|
for (const auto & x : expr_v_)
|
|
x->attach_envs(p);
|
|
}
|
|
|
|
void
|
|
Sequence::display(std::ostream & os) const {
|
|
os << "<Sequence";
|
|
std::size_t i = 0;
|
|
for (const auto & x : expr_v_) {
|
|
std::string i_str = tostr("[", i, "]");
|
|
|
|
os << xtag(i_str.c_str(), x);
|
|
}
|
|
|
|
os << ">";
|
|
}
|
|
|
|
std::uint32_t
|
|
Sequence::pretty_print(const ppindentinfo & ppii) const
|
|
{
|
|
ppstate * pps = ppii.pps();
|
|
|
|
if (ppii.upto()) {
|
|
if (!pps->print_upto("<Sequence"))
|
|
return false;
|
|
|
|
std::size_t i = 0;
|
|
for (const auto & expr_i : expr_v_) {
|
|
if (!pps->has_margin())
|
|
return false;
|
|
|
|
std::string i_str = tostr("[", i, "]");
|
|
if (!pps->print_upto_tag(i_str.c_str(), expr_i))
|
|
return false;
|
|
++i;
|
|
}
|
|
|
|
if (!pps->has_margin())
|
|
return false;
|
|
|
|
pps->write(">");
|
|
|
|
return true;
|
|
} else {
|
|
pps->write("<Sequence");
|
|
|
|
std::size_t i = 0;
|
|
for (const auto & expr_i : expr_v_) {
|
|
std::string i_str = tostr("[", i, "]");
|
|
pps->newline_pretty_tag(ppii.ci1(),
|
|
i_str.c_str(),
|
|
expr_i);
|
|
++i;
|
|
}
|
|
|
|
pps->write(">");
|
|
return false;
|
|
}
|
|
}
|
|
} /*namespace scm*/
|
|
} /*namespace xo*/
|
|
|
|
|
|
/* end Sequence.cpp */
|