48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/** @file exprseq_xs.hpp
|
|
*
|
|
* Author: Roland Conybeare
|
|
**/
|
|
|
|
#pragma once
|
|
|
|
#include "exprstate.hpp"
|
|
//#include <cstdint>
|
|
|
|
namespace xo {
|
|
namespace scm {
|
|
/** @class exprseq_xs
|
|
* @brief parsing state-machine for top-level expression sequence
|
|
*
|
|
**/
|
|
class exprseq_xs : public exprstate {
|
|
public:
|
|
exprseq_xs();
|
|
|
|
static void start(exprstatestack * p_stack);
|
|
|
|
public:
|
|
// ----- token input methods -----
|
|
|
|
virtual void on_def_token(const token_type & tk,
|
|
parserstatemachine * p_psm) override;
|
|
virtual void on_symbol_token(const token_type & tk,
|
|
exprstatestack * p_stack,
|
|
rp<Expression> * p_emit_expr) override;
|
|
|
|
// ----- victory methods -----
|
|
|
|
virtual void on_typedescr(TypeDescr td,
|
|
exprstatestack * p_stack,
|
|
rp<Expression> * p_emit_expr) override;
|
|
virtual void on_expr(ref::brw<Expression> expr,
|
|
exprstatestack * p_stack,
|
|
rp<Expression> * p_emit_expr) override;
|
|
|
|
private:
|
|
static std::unique_ptr<exprseq_xs> make();
|
|
};
|
|
} /*namespace scm*/
|
|
} /*namespace xo*/
|
|
|
|
|
|
/** end exprseq_xs.hpp **/
|