43 lines
1.2 KiB
C++
43 lines
1.2 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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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(exprstatestack * p_stack)
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{
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p_stack->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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exprstatestack * p_stack,
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rp<Expression> * p_emit_expr)
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{
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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_stack->pop_exprstate();
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p_stack->top_exprstate().on_symbol(tk.text(),
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p_stack, p_emit_expr);
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return;
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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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