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xo-reader xo-expression: nested lambdas working properly + docs

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This commit is contained in:
Roland Conybeare 2025-07-06 14:13:44 -05:00
commit d46c3a2082
26 changed files with 534 additions and 94 deletions
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22
include/xo/reader/envframe.hpp
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@ -5,11 +5,15 @@
#pragma once
xxx;
#include "xo/expression/Variable.hpp"
#include "xo/expression/LocalEnv.hpp"
#include <vector>
namespace xo {
namespace scm {
#ifdef OBSOLETE
/** @class envframe
* @brief names/types of formal paremeters introduced by a function
*
@ -17,26 +21,31 @@ namespace xo {
**/
class envframe {
public:
using Variable = xo::ast::Variable;
using Environment = xo::ast::Environment;
using LocalEnv = xo::ast::LocalEnv;
using Variable = xo::ast::Variable;
public:
envframe() = default;
envframe(const std::vector<rp<Variable>> & argl) : argl_(argl) {}
envframe(const std::vector<rp<Variable>> & argl, const rp<Environment> & parent_env);
const std::vector<rp<Variable>> & argl() const { return argl_; }
const std::vector<rp<Variable>> & argl() const { return env_->argv(); }
const rp<LocalEnv> & local_env() const { return env_; }
/** lookup variable by @p name. If found, return it.
* Otherwise return nullptr
**/
rp<Variable> lookup(const std::string & name) const;
bp<Variable> lookup(const std::string & name) const;
/** establish (replacing if already exists) binding for variable @p var **/
/** establish (replacing if already exists) binding for variable @p var.
* Replacement intended for use in interactive sessions
**/
void upsert(bp<Variable> var);
void print (std::ostream & os) const;
private:
std::vector<rp<Variable>> argl_;
rp<LocalEnv> env_;
};
inline std::ostream &
@ -44,6 +53,7 @@ namespace xo {
x.print(os);
return os;
}
#endif
} /*namespace scm*/
} /*namespace xo*/