xo-reader2/include/xo/reader2/ssm/ISyntaxStateMachine_Xfer.hpp
Roland Conybeare 3af72fec64 xo-reader2: + SyntaxStateMachine.forward_children method
Support gc traversal with goal of making ParserStateMachine a gc root
2026-03-24 17:43:45 -04:00

127 lines
5 KiB
C++

/** @file ISyntaxStateMachine_Xfer.hpp
*
* Generated automagically from ingredients:
* 1. code generator:
* [xo-facet/codegen/genfacet]
* arguments:
* --input [idl/SyntaxStateMachine.json5]
* 2. jinja2 template for abstract facet .hpp file:
* [iface_facet_any.hpp.j2]
* 3. idl for facet methods
* [idl/SyntaxStateMachine.json5]
**/
#pragma once
#include "ParserStateMachine.hpp"
#include "syntaxstatetype.hpp"
#include <xo/type/Type.hpp>
#include <xo/tokenizer2/Token.hpp>
#include <xo/reflect/TypeDescr.hpp>
#include <xo/alloc2/Collector.hpp>
namespace xo {
namespace scm {
/** @class ISyntaxStateMachine_Xfer
**/
template <typename DRepr, typename ISyntaxStateMachine_DRepr>
class ISyntaxStateMachine_Xfer : public ASyntaxStateMachine {
public:
/** @defgroup scm-syntaxstatemachine-xfer-type-traits **/
///@{
/** actual implementation (not generated; often delegates to DRepr) **/
using Impl = ISyntaxStateMachine_DRepr;
/** integer identifying a type **/
using typeseq = ASyntaxStateMachine::typeseq;
using TypeDescr = ASyntaxStateMachine::TypeDescr;
using ACollector = ASyntaxStateMachine::ACollector;
using AGCObject = ASyntaxStateMachine::AGCObject;
///@}
/** @defgroup scm-syntaxstatemachine-xfer-methods **/
///@{
static const DRepr & _dcast(Copaque d) { return *(const DRepr *)d; }
static DRepr & _dcast(Opaque d) { return *(DRepr *)d; }
// from ASyntaxStateMachine
// builtin methods
typeseq _typeseq() const noexcept override { return s_typeseq; }
void _drop(Opaque d) const noexcept override { _dcast(d).~DRepr(); }
// const methods
syntaxstatetype ssm_type(Copaque data) const noexcept override {
return I::ssm_type(_dcast(data));
}
std::string_view get_expect_str(Copaque data) const noexcept override {
return I::get_expect_str(_dcast(data));
}
// non-const methods
void on_token(Opaque data, const Token & tk, ParserStateMachine * p_psm) override {
return I::on_token(_dcast(data), tk, p_psm);
}
void on_parsed_symbol(Opaque data, std::string_view sym, ParserStateMachine * p_psm) override {
return I::on_parsed_symbol(_dcast(data), sym, p_psm);
}
void on_parsed_typedescr(Opaque data, TypeDescr td, ParserStateMachine * p_psm) override {
return I::on_parsed_typedescr(_dcast(data), td, p_psm);
}
void on_parsed_type(Opaque data, obj<AType> type, ParserStateMachine * p_psm) override {
return I::on_parsed_type(_dcast(data), type, p_psm);
}
void on_parsed_formal(Opaque data, const DUniqueString * param_name, TypeDescr param_type, ParserStateMachine * p_psm) override {
return I::on_parsed_formal(_dcast(data), param_name, param_type, p_psm);
}
void on_parsed_formal_with_token(Opaque data, const DUniqueString * param_name, TypeDescr param_type, const Token & tk, ParserStateMachine * p_psm) override {
return I::on_parsed_formal_with_token(_dcast(data), param_name, param_type, tk, p_psm);
}
void on_parsed_formal_arglist(Opaque data, DArray * arglist, ParserStateMachine * p_psm) override {
return I::on_parsed_formal_arglist(_dcast(data), arglist, p_psm);
}
void on_parsed_expression(Opaque data, obj<AExpression> expr, ParserStateMachine * p_psm) override {
return I::on_parsed_expression(_dcast(data), expr, p_psm);
}
void on_parsed_expression_with_token(Opaque data, obj<AExpression> expr, const Token & tk, ParserStateMachine * p_psm) override {
return I::on_parsed_expression_with_token(_dcast(data), expr, tk, p_psm);
}
void on_quoted_literal(Opaque data, obj<AGCObject> lit, ParserStateMachine * p_psm) override {
return I::on_quoted_literal(_dcast(data), lit, p_psm);
}
void forward_children(Opaque data, obj<ACollector> gc) override {
return I::forward_children(_dcast(data), gc);
}
///@}
private:
using I = Impl;
public:
/** @defgroup scm-syntaxstatemachine-xfer-member-vars **/
///@{
/** typeseq for template parameter DRepr **/
static typeseq s_typeseq;
/** true iff satisfies facet implementation **/
static bool _valid;
///@}
};
template <typename DRepr, typename ISyntaxStateMachine_DRepr>
xo::facet::typeseq
ISyntaxStateMachine_Xfer<DRepr, ISyntaxStateMachine_DRepr>::s_typeseq
= xo::facet::typeseq::id<DRepr>();
template <typename DRepr, typename ISyntaxStateMachine_DRepr>
bool
ISyntaxStateMachine_Xfer<DRepr, ISyntaxStateMachine_DRepr>::_valid
= xo::facet::valid_facet_implementation<ASyntaxStateMachine,
ISyntaxStateMachine_Xfer>();
} /*namespace scm */
} /*namespace xo*/
/* end ISyntaxStateMachine_Xfer.hpp */