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xo-reader: refactor: + parserstatemachine; use for def_expr

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This commit is contained in:
Roland Conybeare 2024-08-19 00:44:34 -04:00
commit 034dac7dfd
11 changed files with 69 additions and 18 deletions
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7
src/reader/exprstate.cpp
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@ -1,6 +1,7 @@
/* @file exprstate.cpp */
#include "exprstate.hpp"
#include "parserstatemachine.hpp"
//#include "formal_arg.hpp"
#include "xo/expression/Variable.hpp"
#include "xo/indentlog/print/vector.hpp"
@ -52,7 +53,7 @@ namespace xo {
void
exprstate::on_def_token(const token_type & tk,
exprstatestack * /*p_stack*/)
parserstatemachine * /*p_psm*/)
{
this->illegal_input_error("exprstate::on_def_token", tk);
}
@ -254,10 +255,12 @@ namespace xo {
log && log(xtag("tk", tk));
log && log(xtag("state", *this));
parserstatemachine psm(p_stack, p_emit_expr);
switch (tk.tk_type()) {
case tokentype::tk_def:
this->on_def_token(tk, p_stack);
this->on_def_token(tk, &psm);
return;
case tokentype::tk_lambda: