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xo-expression/xo-reader: refactor Environment -> SymbolTable

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This commit is contained in:
Roland Conybeare 2025-11-19 12:42:31 -05:00
commit 42147bb7c0
10 changed files with 35 additions and 35 deletions
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8
include/xo/reader/parserstatemachine.hpp
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@ -24,7 +24,7 @@ namespace xo {
public:
using Expression = xo::scm::Expression;
using Variable = xo::scm::Variable;
using LocalEnv = xo::scm::LocalEnv;
using LocalEnv = xo::scm::LocalSymtab;
using token_type = token<char>;
public:
@ -59,13 +59,13 @@ namespace xo {
void upsert_var(bp<Variable> x);
/** @return available variable bindings in current parsing state **/
bp<Environment> top_envframe() const;
bp<SymbolTable> top_envframe() const;
/** @return frame @p i levels from the top **/
bp<Environment> lookup_envframe(std::size_t i) const;
bp<SymbolTable> lookup_envframe(std::size_t i) const;
/** push frame @p x (with new variable bindings) onto environment stack **/
void push_envframe(const rp<LocalEnv> & x);
/** @return pop innermost environment frame and return it **/
rp<Environment> pop_envframe();
rp<SymbolTable> pop_envframe();
/** @return number of stacked environment frames **/
size_t env_stack_size() const { return env_stack_.size(); }