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xo-parser: refactor: exprstate::on_symbol splits symbol from exprir

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This commit is contained in:
Roland Conybeare 2024-08-01 13:32:15 +10:00
commit 44fdba132c
2 changed files with 52 additions and 12 deletions
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10
include/xo/parser/parser.hpp
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@ -47,15 +47,17 @@ namespace xo {
public:
exprir() = default;
#ifdef OBSOLETE
exprir(exprirtype xir_type,
const std::string & x)
: xir_type_{xir_type}, symbol_name_{x} {}
#endif
exprir(exprirtype xir_type,
TypeDescr td)
: xir_type_{xir_type}, td_{td} {}
exprirtype xir_type() const { return xir_type_; }
const std::string & symbol_name() const { return symbol_name_; }
//const std::string & symbol_name() const { return symbol_name_; }
TypeDescr td() const { return td_; }
void print(std::ostream & os) const;
@ -63,8 +65,10 @@ namespace xo {
private:
/** IR type code **/
exprirtype xir_type_ = exprirtype::invalid;
#ifdef OBSOLETE
/** xir_type=symbol: a symbol (type or variable) name **/
std::string symbol_name_;
#endif
/** xir_type=typedescr: object identifying/describing a datatype **/
TypeDescr td_ = nullptr;
};
@ -220,6 +224,10 @@ namespace xo {
void on_expr(ref::brw<Expression> expr,
exprstatestack * p_stack,
rp<Expression> * p_emit_expr);
/** update exprstate when expecting a symbol **/
void on_symbol(const std::string & symbol,
exprstatestack * p_stack,
rp<Expression> * p_emit_expr);
/** update exprstate in response to IR (intermediate representation)
* from nested parsing task
**/