xo-reader2: simplify DSyntaxStateMachine w/ DExpectFormalArglistSsm

This commit is contained in:
Roland Conybeare 2026-01-30 14:33:44 -05:00
commit 2fc57b1478
2 changed files with 10 additions and 100 deletions

View file

@ -5,7 +5,7 @@
#pragma once
#include "SyntaxStateMachine.hpp"
#include "DSyntaxStateMachine.hpp"
#include <xo/object2/DArray.hpp>
#include <xo/arena/DArena.hpp>
@ -52,8 +52,9 @@ namespace xo {
/** @class expect_formal_arglist
* @brief parser state-machine for a formal parameter list
**/
class DExpectFormalArglistSsm {
class DExpectFormalArglistSsm : public DSyntaxStateMachine<DExpectFormalArglistSsm> {
public:
using Super = DSyntaxStateMachine<DExpectFormalArglistSsm>;
using DArena = xo::mm::DArena;
using TypeDescr = xo::reflect::TypeDescr;
using ppindentinfo = xo::print::ppindentinfo;
@ -71,6 +72,8 @@ namespace xo {
/** @defgroup scm-expectformalarglistssm-methods general methods **/
///@{
const char * ssm_classname() const noexcept { return "DExpectFormalArglistSsm"; }
/** update state on incoming token @p tk, with overall parser state in @p p_psm **/
void on_leftparen_token(const Token & tk,
ParserStateMachine * p_psm);
@ -99,18 +102,6 @@ namespace xo {
void on_token(const Token & tk,
ParserStateMachine * p_psm);
/** update state on parsed symbol @p sym emitted by nested ssm,
* with overall parser state in @p p_psm
**/
void on_parsed_symbol(std::string_view sym,
ParserStateMachine * p_psm);
/** update state on parsed typedescr @p td emitted by nested ssm,
* with overall parser state in @p p_psm
**/
void on_parsed_typedescr(TypeDescr td,
ParserStateMachine * p_psm);
/** update state to consume parsed param (name,type) emitted by
* nested ssm, with overall parser state in @p p_psm
**/
@ -118,31 +109,6 @@ namespace xo {
TypeDescr param_type,
ParserStateMachine * p_psm);
/** consume formal params @p arglist from completed nested ssm,
* with overall parser state in @p p_psm.
**/
void on_parsed_formal_arglist(DArray * arglist,
ParserStateMachine * p_psm);
/** update state on parsed expression emitted by nested ssm
* with overall parser state in @p p_psm
**/
void on_parsed_expression(obj<AExpression> expr,
ParserStateMachine * p_psm);
/** update state on parsed expression, along with following semicolon,
* emitted by nested ssm with overall parser state in @p p_psm
**/
void on_parsed_expression_with_semicolon(obj<AExpression> expr,
ParserStateMachine * p_psm);
#ifdef NOT_YET
virtual void on_comma_token(const token_type & tk,
parserstatemachine * p_psm) override;
virtual void on_rightparen_token(const token_type & tk,
parserstatemachine * p_psm) override;
#endif
///@}
/** @defgroup scm-expectformalarglistssm-printable-facet printable facet methods **/
///@{