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xo-reader2: + ExpectSymbolSsm + SyntaxStateMachine.on_parsed_symbol

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This commit is contained in:
Roland Conybeare 2026-01-19 11:32:39 -05:00
commit 83ef04c250
28 changed files with 537 additions and 52 deletions
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15
xo-reader2/include/xo/reader2/ParserStateMachine.hpp
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@ -62,6 +62,9 @@ namespace xo {
/** push syntax @p ssm onto @ref stack_ **/
void push_ssm(obj<ASyntaxStateMachine> ssm);
/** pop syntax state machine from top of @ref stack_ **/
void pop_ssm();
/** reset result to none **/
void reset_result();
@ -73,6 +76,9 @@ namespace xo {
/** @defgroup scm-parserstatemachine-inputmethods input methods **/
///@{
/** update state to respond to prsed symbol @p sym **/
void on_parsed_symbol(std::string_view sym);
/** update state to respond to input token @p tk.
* record output (if any) in @ref result_
**/
@ -99,12 +105,19 @@ namespace xo {
/** report illegal input from syntax state machine @p ssm_name
* recognized on input token @p tk. @p expect_str describes
* expected input in that state
* expected input in current ssm state
**/
void illegal_input_on_token(std::string_view ssm_name,
const Token & tk,
std::string_view expect_str);
/** report illegal input from syntax state machine @p ssm_name
* receiving parsed symbol @p sym. @p expect_str describes
* expected input in current ssm state
**/
void illegal_input_on_symbol(std::string_view ssm_name,
std::string_view sym,
std::string_view expect_str);
///@}
private: