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xo-reader: simplify progress_xs.start() using psm

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This commit is contained in:
Roland Conybeare 2024-08-19 16:53:43 -04:00
commit 8db0bf11d0
4 changed files with 11 additions and 15 deletions
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2
src/reader/expect_expr_xs.cpp
View file

@ -107,7 +107,7 @@ namespace xo {
*/
progress_xs::start
(Constant<double>::make(tk.f64_value()),
p_psm->p_stack_);
p_psm);
}
void

4
src/reader/paren_xs.cpp
View file

@ -181,9 +181,7 @@ namespace xo {
switch (this->parenxs_type_) {
case parenexprstatetype::lparen_0: {
this->parenxs_type_ = parenexprstatetype::lparen_1; /* wants on_rightparen */
auto p_stack = p_psm->p_stack_;
progress_xs::start(expr.promote(), p_stack);
progress_xs::start(expr.promote(), p_psm);
return;
}

16
src/reader/progress_xs.cpp
View file

@ -55,13 +55,13 @@ namespace xo {
}
void
progress_xs::start(rp<Expression> valex, optype op, exprstatestack * p_stack) {
p_stack->push_exprstate(progress_xs::make(valex, op));
progress_xs::start(rp<Expression> valex, optype op, parserstatemachine * p_psm) {
p_psm->push_exprstate(progress_xs::make(valex, op));
}
void
progress_xs::start(rp<Expression> valex, exprstatestack * p_stack) {
p_stack->push_exprstate(progress_xs::make(valex));
progress_xs::start(rp<Expression> valex, parserstatemachine * p_psm) {
p_psm->push_exprstate(progress_xs::make(valex));
}
progress_xs::progress_xs(rp<Expression> valex, optype op)
@ -313,8 +313,6 @@ namespace xo {
{
constexpr const char * c_self_name = "progress_xs::on_operator_token";
auto p_stack = p_psm->p_stack_;
if (op_type_ == optype::invalid) {
this->op_type_ = tk2op(tk.tk_type());
@ -345,7 +343,7 @@ namespace xo {
std::unique_ptr<exprstate> self = p_psm->pop_exprstate();
/* 3. replace with new progress_xs: */
progress_xs::start(expr, op2, p_stack);
progress_xs::start(expr, op2, p_psm);
/* infix operator must be followed by non-empty expression */
expect_expr_xs::start(p_psm);
@ -366,9 +364,9 @@ namespace xo {
std::unique_ptr<exprstate> self = p_psm->pop_exprstate();
/* 1. replace with nested incomplete infix exprs */
progress_xs::start(lhs_, op_type_, p_stack);
progress_xs::start(lhs_, op_type_, p_psm);
expect_expr_xs::start(p_psm);
progress_xs::start(rhs_, op2, p_stack);
progress_xs::start(rhs_, op2, p_psm);
expect_expr_xs::start(p_psm);
}