49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/* file expect_symbol_xs.cpp
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*
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* author: Roland Conybeare
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*/
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#include "expect_symbol_xs.hpp"
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#include "parserstatemachine.hpp"
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#include "exprstatestack.hpp"
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namespace xo {
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namespace scm {
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std::unique_ptr<expect_symbol_xs>
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expect_symbol_xs::make() {
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return std::make_unique<expect_symbol_xs>(expect_symbol_xs());
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}
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void
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expect_symbol_xs::start(parserstatemachine * p_psm)
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{
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p_psm->push_exprstate(expect_symbol_xs::make());
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}
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expect_symbol_xs::expect_symbol_xs()
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: exprstate(exprstatetype::expect_symbol)
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{}
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void
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expect_symbol_xs::on_symbol_token(const token_type & tk,
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parserstatemachine * p_psm)
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{
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constexpr bool c_debug_flag = true;
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scope log(XO_DEBUG(c_debug_flag));
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log && log(xtag("tk", tk));
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assert(&p_psm->top_exprstate() == this);
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/* have to do pop first, before sending symbol to
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* the o.g. symbol-requester
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*/
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std::unique_ptr<exprstate> self{p_psm->pop_exprstate()};
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p_psm->on_symbol(tk.text());
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}
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} /*namespace scm*/
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} /*namespace xo*/
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/* end expect_symbol_xs.cpp */
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