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xo-expression: + Expression::attach_envs()

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This commit is contained in:
Roland Conybeare 2024-06-30 19:11:40 -04:00
commit a877af562a
8 changed files with 83 additions and 13 deletions
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14
src/expression/Lambda.cpp
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@ -41,23 +41,23 @@ namespace xo {
return new Lambda(name,
lambda_td,
argv,
LocalEnv::make(argv),
body);
} /*make*/
Lambda::Lambda(const std::string & name,
TypeDescr lambda_type,
const std::vector<rp<Variable>> & argv,
const rp<LocalEnv> & local_env,
const ref::rp<Expression> & body)
: FunctionInterface(exprtype::lambda, lambda_type),
name_{name},
argv_{argv},
body_{body}
body_{body},
local_env_{local_env}
{
stringstream ss;
ss << "double";
ss << "(";
for (std::size_t i = 0; i < argv.size(); ++i) {
for (std::size_t i = 0, n = this->n_arg(); i < n; ++i) {
if (i > 0)
ss << ",";
ss << "double";
@ -65,13 +65,15 @@ namespace xo {
ss << ")";
type_str_ = ss.str();
body_->attach_envs(local_env_);
} /*ctor*/
void
Lambda::display(std::ostream & os) const {
os << "<Lambda"
<< xtag("name", name_)
<< xtag("argv", argv_)
<< xtag("argv", local_env_->argv())
<< xtag("body", body_)
<< ">";
} /*display*/