xo-interpreter2/include/xo/reader2/lambda/ISyntaxStateMachine_DLambdaSsm.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

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4.2 KiB
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/** @file ISyntaxStateMachine_DLambdaSsm.hpp
*
* Generated automagically from ingredients:
* 1. code generator:
* [xo-facet/codegen/genfacet]
* arguments:
* --input [idl/ISyntaxStateMachine_DLambdaSsm.json5]
* 2. jinja2 template for abstract facet .hpp file:
* [iface_facet_repr.hpp.j2]
* 3. idl for facet methods
* [idl/ISyntaxStateMachine_DLambdaSsm.json5]
**/
#pragma once
#include "SyntaxStateMachine.hpp"
#include "SyntaxStateMachine.hpp"
#include "ssm/ISyntaxStateMachine_Xfer.hpp"
#include "DLambdaSsm.hpp"
namespace xo { namespace scm { class ISyntaxStateMachine_DLambdaSsm; } }
namespace xo {
namespace facet {
template <>
struct FacetImplementation<xo::scm::ASyntaxStateMachine,
xo::scm::DLambdaSsm>
{
using ImplType = xo::scm::ISyntaxStateMachine_Xfer
<xo::scm::DLambdaSsm,
xo::scm::ISyntaxStateMachine_DLambdaSsm>;
};
}
}
namespace xo {
namespace scm {
/** @class ISyntaxStateMachine_DLambdaSsm
**/
class ISyntaxStateMachine_DLambdaSsm {
public:
/** @defgroup scm-syntaxstatemachine-dlambdassm-type-traits **/
///@{
using TypeDescr = xo::scm::ASyntaxStateMachine::TypeDescr;
using ACollector = xo::scm::ASyntaxStateMachine::ACollector;
using AGCObject = xo::scm::ASyntaxStateMachine::AGCObject;
using Copaque = xo::scm::ASyntaxStateMachine::Copaque;
using Opaque = xo::scm::ASyntaxStateMachine::Opaque;
///@}
/** @defgroup scm-syntaxstatemachine-dlambdassm-methods **/
///@{
// const methods
/** identify a type of syntax state machine **/
static syntaxstatetype ssm_type(const DLambdaSsm & self) noexcept;
/** text describing expected/allowed input to this ssm in current state **/
static std::string_view get_expect_str(const DLambdaSsm & self) noexcept;
// non-const methods
/** operate state machine for incoming token @p tk **/
static void on_token(DLambdaSsm & self, const Token & tk, ParserStateMachine * p_psm);
/** update stat machine for incoming parsed symbol @p sym **/
static void on_parsed_symbol(DLambdaSsm & self, std::string_view sym, ParserStateMachine * p_psm);
/** operate state machine for incoming type description @p td **/
static void on_parsed_typedescr(DLambdaSsm & self, TypeDescr td, ParserStateMachine * p_psm);
/** update state machine for type emitted by nested ssm **/
static void on_parsed_type(DLambdaSsm & self, obj<AType> type, ParserStateMachine * p_psm);
/** operate state machine for formal emitted by nested ssm **/
static void on_parsed_formal(DLambdaSsm & self, const DUniqueString * param_name, TypeDescr param_type, ParserStateMachine * p_psm);
/** operate state machine for formal emitted by nested ssm **/
static void on_parsed_formal_with_token(DLambdaSsm & self, const DUniqueString * param_name, TypeDescr param_type, const Token & tk, ParserStateMachine * p_psm);
/** consume formal arglist emitted by nested ssm **/
static void on_parsed_formal_arglist(DLambdaSsm & self, DArray * arglist, ParserStateMachine * p_psm);
/** update state machine for nested parsed expression @p expr **/
static void on_parsed_expression(DLambdaSsm & self, obj<AExpression> expr, ParserStateMachine * p_psm);
/** update state machine @p p_psm for incoming parsed expression @p expr followed by token @p tk **/
static void on_parsed_expression_with_token(DLambdaSsm & self, obj<AExpression> expr, const Token & tk, ParserStateMachine * p_psm);
/** update state machine for nested quoted literal @p lit **/
static void on_quoted_literal(DLambdaSsm & self, obj<AGCObject> lit, ParserStateMachine * p_psm);
/** gc support: move immediate children to to-space and sub forwarding pointer **/
static void forward_children(DLambdaSsm & self, obj<ACollector> gc);
///@}
};
} /*namespace scm*/
} /*namespace xo*/
/* end */