53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/* @file exprseq_xs.cpp */
|
|
|
|
#include "exprseq_xs.hpp"
|
|
#include "define_xs.hpp"
|
|
|
|
namespace xo {
|
|
namespace scm {
|
|
std::unique_ptr<exprseq_xs>
|
|
exprseq_xs::expect_toplevel_expression_sequence()
|
|
{
|
|
return std::make_unique<exprseq_xs>(exprseq_xs());
|
|
}
|
|
|
|
exprseq_xs::exprseq_xs()
|
|
: exprstate(exprstatetype::expect_toplevel_expression_sequence)
|
|
{
|
|
}
|
|
|
|
void
|
|
exprseq_xs::on_def_token(const token_type & /*tk*/,
|
|
exprstatestack * p_stack)
|
|
{
|
|
constexpr bool c_debug_flag = true;
|
|
scope log(XO_DEBUG(c_debug_flag));
|
|
|
|
//constexpr const char * c_self_name = "exprseq_xs::on_def_token";
|
|
|
|
p_stack->push_exprstate(define_xs::def_0());
|
|
|
|
/* todo: replace:
|
|
* expect_symbol_or_function_signature()
|
|
*/
|
|
p_stack->push_exprstate(exprstate::expect_symbol());
|
|
|
|
/* keyword 'def' introduces a definition:
|
|
* def pi : f64 = 3.14159265
|
|
* def sq(x : f64) -> f64 { (x * x) }
|
|
*/
|
|
}
|
|
|
|
void
|
|
exprseq_xs::on_symbol_token(const token_type & tk,
|
|
exprstatestack * /*p_stack*/,
|
|
rp<Expression> * /*p_emit_expr*/)
|
|
{
|
|
constexpr const char * c_self_name = "exprseq_xs::on_symbol_token";
|
|
|
|
this->illegal_input_error(c_self_name, tk);
|
|
}
|
|
} /*namespace scm*/
|
|
} /*namespace xo*/
|
|
|
|
/* end exprseq_xs.cpp */
|