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xo-reader2 xo-expression2: + DSequenceSsm ++ utest

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This commit is contained in:
Roland Conybeare 2026-01-31 18:28:25 -05:00
commit 15f779d2f8
64 changed files with 514 additions and 154 deletions
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28
src/reader2/DExpectExprSsm.cpp
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@ -8,6 +8,7 @@
#include "SyntaxStateMachine.hpp"
#include "ssm/ISyntaxStateMachine_DExpectExprSsm.hpp"
#include "ssm/ISyntaxStateMachine_DProgressSsm.hpp"
#include "DSequenceSsm.hpp"
#include "syntaxstatetype.hpp"
#include <xo/expression2/DConstant.hpp>
#include <xo/expression2/detail/IExpression_DConstant.hpp>
@ -114,6 +115,10 @@ namespace xo {
scope log(XO_DEBUG(p_psm->debug_flag()), xtag("tk", tk));
switch (tk.tk_type()) {
case tokentype::tk_leftbrace:
this->on_leftbrace_token(tk, p_psm);
return;
case tokentype::tk_symbol:
this->on_symbol_token(tk, p_psm);
return;
@ -148,7 +153,6 @@ namespace xo {
case tokentype::tk_rightparen:
case tokentype::tk_leftbracket:
case tokentype::tk_rightbracket:
case tokentype::tk_leftbrace:
case tokentype::tk_rightbrace:
case tokentype::tk_leftangle:
case tokentype::tk_rightangle:
@ -179,6 +183,15 @@ namespace xo {
Super::on_token(tk, p_psm);
}
void
DExpectExprSsm::on_leftbrace_token(const Token & tk,
ParserStateMachine * p_psm)
{
(void)tk;
DSequenceSsm::start(p_psm);
}
void
DExpectExprSsm::on_symbol_token(const Token & tk,
ParserStateMachine * p_psm)
@ -377,7 +390,8 @@ namespace xo {
(ppii,
"DExpectExprSsm",
refrtag("allow_defs", allow_defs_),
refrtag("cxl_on_rightbrace", cxl_on_rightbrace_)
refrtag("cxl_on_rightbrace", cxl_on_rightbrace_),
refrtag("expect", this->get_expect_str())
);
}
@ -412,16 +426,6 @@ namespace xo {
paren_xs::start(p_psm);
}
void
expect_expr_xs::on_leftbrace_token(const token_type & /*tk*/,
parserstatemachine * p_psm)
{
scope log(XO_DEBUG(p_psm->debug_flag()));
/* push lparen_0 to remember to look for subsequent rightparen. */
sequence_xs::start(p_psm);
}
void
expect_expr_xs::on_rightbrace_token(const token_type & tk,
parserstatemachine * p_psm)