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xo-reader2: streamline DIfElseSsm w/ DSyntaxStateMachine

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This commit is contained in:
Roland Conybeare 2026-01-30 13:49:57 -05:00
commit 9f173949ff
2 changed files with 14 additions and 130 deletions
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18
include/xo/reader2/DIfElseSsm.hpp
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@ -5,14 +5,12 @@
#pragma once
#include "DSyntaxStateMachine.hpp"
#include <xo/expression2/DIfElseExpr.hpp>
#include "ParserStateMachine.hpp"
#include "syntaxstatetype.hpp"
#include <xo/expression2/detail/IExpression_DIfElseExpr.hpp>
#include <xo/expression2/DIfElseExpr.hpp>
#include <xo/facet/obj.hpp>
//#include "exprstate.hpp"
//#include "xo/indentlog/print/ppdetail_atomic.hpp"
namespace xo {
namespace scm {
@ -54,8 +52,9 @@ namespace xo {
/** @class DIfElseSsm
* @brief syntax state machine for parsing a conditional expression
**/
class DIfElseSsm {
class DIfElseSsm : public DSyntaxStateMachine<DIfElseExpr> {
public:
using Super = DSyntaxStateMachine<DIfElseExpr>;
using AAllocator = xo::mm::AAllocator;
using DArena = xo::mm::DArena;
using TypeDescr = xo::reflect::TypeDescr;
@ -89,6 +88,9 @@ namespace xo {
static void start(DArena & parser_mm,
obj<AAllocator> expr_mm,
ParserStateMachine * p_psm);
const char * ssm_classname() const noexcept { return "DIfElseSsm"; }
///@}
/** @defgroup scm-ifelsessm-expression-methods general methods **/
///@{
@ -140,6 +142,7 @@ namespace xo {
void on_semicolon_token(const Token & tk,
ParserStateMachine * p_psm);
#ifdef OBSOLETE
/** update state for this syntax after parsing a symbol @p sym,
* with overall parser state in @p p_psm
**/
@ -158,12 +161,7 @@ namespace xo {
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);
#endif
/** update state for this syntax after parsing an expression @p expr,
* overall parser state in @p p_psm.