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xo-tokenizer xo-reader: + bool literals + if-expr parsing

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This commit is contained in:
Roland Conybeare 2025-07-22 07:20:56 -05:00
commit ce760bd5cf
30 changed files with 848 additions and 74 deletions
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12
xo-reader/src/reader/parser.cpp
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@ -29,8 +29,8 @@ namespace xo {
namespace scm {
// ----- parser -----
parser::parser()
: xs_stack_{}, env_stack_{}, result_{}
parser::parser(bool debug_flag)
: xs_stack_{}, env_stack_{}, result_{}, debug_flag_{debug_flag}
{
/* top-level environment. initially empty */
rp<LocalEnv> toplevel_env = LocalEnv::make_empty();
@ -48,7 +48,8 @@ namespace xo {
parser::begin_interactive_session() {
parserstatemachine psm(&xs_stack_,
&env_stack_,
&result_);
&result_,
debug_flag_);
exprseq_xs::start(exprseqtype::toplevel_interactive, &psm);
}
@ -57,7 +58,8 @@ namespace xo {
parser::begin_translation_unit() {
parserstatemachine psm(&xs_stack_,
&env_stack_,
&result_);
&result_,
debug_flag_);
exprseq_xs::start(exprseqtype::toplevel_batch, &psm);
}
@ -79,7 +81,7 @@ namespace xo {
log && log(xtag("top", xs_stack_.top_exprstate()));
parserstatemachine psm(&xs_stack_, &env_stack_, &result_);
parserstatemachine psm(&xs_stack_, &env_stack_, &result_, debug_flag_);
xs_stack_.top_exprstate().on_input(tk, &psm);