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xo-reader: simplify paren handling for expressions

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This commit is contained in:
Roland Conybeare 2024-08-09 20:33:28 -04:00
commit 6b9503ef76
4 changed files with 21 additions and 45 deletions
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9
include/xo/reader/exprstate.hpp
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@ -70,11 +70,6 @@ namespace xo {
{}
virtual ~exprstate() = default;
#ifdef RELOCATED
static std::unique_ptr<exprstate> expect_rhs_expression() {
return std::make_unique<exprstate>(exprstate(exprstatetype::expect_rhs_expression));
}
#endif
static std::unique_ptr<exprstate> expect_symbol() {
return std::make_unique<exprstate>(exprstate(exprstatetype::expect_symbol));
}
@ -96,10 +91,6 @@ namespace xo {
virtual bool admits_leftparen() const;
/** truee iff this parsing state admits a rightparen ')' as next token **/
virtual bool admits_rightparen() const;
#ifdef OBSOLETE
/** true iff this parsing state admits a 64-bit floating point literal token **/
virtual bool admits_f64() const;
#endif
/** update exprstate in response to incoming token @p tk,
* forward instructions to parent parser