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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 3573ec800a
23 changed files with 712 additions and 53 deletions
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10
include/xo/reader/parser.hpp
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@ -112,6 +112,9 @@ namespace xo {
* | symbol-literal
* | struct-literal
*
*
* boolean-literal = true | false
*
* variable-expr = $varname
* apply-expr = fn-expr(arg-expr(1), .., arg-expr(n))
* fn-expr = expression
@ -155,8 +158,10 @@ namespace xo {
public:
/** create parser in initial state;
* parser is ready to receive tokens via @ref include_token
*
* @p debug_flag true to enable debug logging
**/
parser();
explicit parser(bool debug_flag);
/** true if parser is at top-level, i.e. ready for next top-level expression **/
bool is_at_toplevel() const { return stack_size() == 0; }
@ -243,6 +248,9 @@ namespace xo {
/** parser result state **/
parser_result result_;
/** enable/disable debug logging **/
bool debug_flag_;
}; /*parser*/
inline std::ostream &