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xo-reader: refactor: move def on_expr() to define_xs subtype

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This commit is contained in:
Roland Conybeare 2024-08-07 16:28:39 -04:00
commit c4b58bb298
6 changed files with 145 additions and 50 deletions
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24
include/xo/reader/exprstate.hpp
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@ -99,9 +99,6 @@ namespace xo {
static std::unique_ptr<exprstate> make_expr_progress(rp<Expression> expr) {
return std::make_unique<exprstate>(exprstate(exprstatetype::expr_progress, expr, nullptr));
}
static std::unique_ptr<exprstate> def_0(rp<DefineExprAccess> def_expr) {
return std::make_unique<exprstate>(exprstate(exprstatetype::def_0, nullptr, def_expr));
}
static std::unique_ptr<exprstate> lparen_0() {
return std::make_unique<exprstate>(exprstate(exprstatetype::lparen_0, nullptr, nullptr));
}
@ -164,26 +161,6 @@ namespace xo {
rp<Expression> * p_emit_expr);
protected:
/**
* def foo : f64 = 1 ;
* ^ ^ ^ ^ ^ ^ ^ ^
* | | | | | | | (done)
* | | | | | | def_4:expect_rhs_expression:expr_progress
* | | | | | def_4:expect_rhs_expression
* | | | | def_3
* | | | def_2:expect_type
* | | def_1
* | def_0:expect_symbol
* expect_toplevel_expression_sequence
*
* def_0:expect_symbol: got 'def' keyword, symbol to follow
* def_1: got symbol name
* def_2:expect_symbol got (optional) colon, type name to follow
* def_3: got symbol type
* def_4:expect_rhs_expression got (optional) equal sign, value to follow
* (done): definition complete, pop exprstate from stack
*
**/
exprstatetype exs_type_;
/** generic expression **/
@ -255,5 +232,4 @@ namespace xo {
} /*namespace scm*/
} /*namespace xo*/
/** end exprstate.hpp **/