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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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9
include/xo/reader/parserstatemachine.hpp
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@ -21,6 +21,7 @@ namespace xo {
public:
using Expression = xo::ast::Expression;
using Variable = xo::ast::Variable;
using LocalEnv = xo::ast::LocalEnv;
using token_type = token<char>;
public:
@ -38,15 +39,17 @@ namespace xo {
/** lookup variable name in lexical context represented by
* this psm. nullptr if not found
**/
rp<Variable> lookup_var(const std::string & x) const;
bp<Variable> lookup_var(const std::string & x) const;
/** update/replace binding for variable @p x in lexical context
* represented by this psm. Always acts on innermost frame.
**/
void upsert_var(bp<Variable> x);
void push_envframe(envframe x);
void pop_envframe();
bp<LocalEnv> top_envframe() const;
void push_envframe(const rp<LocalEnv> & x);
rp<LocalEnv> pop_envframe();
size_t env_stack_size() const { return p_env_stack_->size(); }
// ----- parsing outputs -----