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xo-reader2: simplify DExprSeqState w/ DSyntaxStateMachine

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This commit is contained in:
Roland Conybeare 2026-01-30 15:01:31 -05:00
commit 64bc59660b
2 changed files with 15 additions and 141 deletions
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48
include/xo/reader2/DExprSeqState.hpp
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@ -5,8 +5,7 @@
#pragma once
#include "ParserStateMachine.hpp"
#include "SyntaxStateMachine.hpp"
#include "DSyntaxStateMachine.hpp"
#include "syntaxstatetype.hpp"
#include <xo/facet/obj.hpp>
@ -37,8 +36,9 @@ namespace xo {
*
* Similar to exprseq_xs in xo-expresion
**/
class DExprSeqState {
class DExprSeqState : public DSyntaxStateMachine<DExprSeqState> {
public:
using Super = DSyntaxStateMachine<DExprSeqState>;
using TypeDescr = xo::reflect::TypeDescr;
using AAllocator = xo::mm::AAllocator;
using ppindentinfo = xo::print::ppindentinfo;
@ -54,6 +54,8 @@ namespace xo {
ParserStateMachine * p_psm);
public:
const char * ssm_classname() const noexcept { return "DExprSeqState"; }
/** @defgroup scm-exprseq-ssm-facet syntaxstatemachine facet methods **/
///@{
@ -91,16 +93,6 @@ namespace xo {
**/
void on_if_token(const Token & tk, ParserStateMachine * p_psm);
/** update state for this syntax on incoming colon token @p tk,
* overall parser state in @p p_psm
**/
void on_colon_token(const Token & tk, ParserStateMachine * p_psm);
/** update state for this syntax on incoming single-assign token @p tk,
* overall parser state in @p p_psm
**/
void on_singleassign_token(const Token & tk, ParserStateMachine * p_psm);
/** update state for this syntax on incoming string token @p tk,
* overall parser state in @p p_psm
**/
@ -121,36 +113,6 @@ namespace xo {
**/
void on_bool_token(const Token & tk, ParserStateMachine * p_psm);
/** update state for this syntax on incoming semicolon token @p tk,
* overall parser state in @p p_psm
**/
void on_semicolon_token(const Token & tk, ParserStateMachine * p_psm);
/** update state for this syntax on parsed symbol @p sym
* from immediately-downstream ssm.
* overall parser state in @p p_psm
**/
void on_parsed_symbol(std::string_view sym, ParserStateMachine * p_psm);
/** update state for this syntax on parsed type-description @p td
* from nested ssm.
* overall parser state in @p p_psm
**/
void on_parsed_typedescr(TypeDescr td, ParserStateMachine * p_psm);
/** update this ssm to consume parsed formal param (name, value)
* emitted by nested ssm, with overall parser state in @p p_psm
**/
void on_parsed_formal(const DUniqueString * param_name,
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 for this syntax on parsed expression @p expr
* from nested ssm.
* overall parser state in @p p_psm