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no empty binops

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This commit is contained in:
Folkert 2021-03-20 21:56:22 +01:00
parent d5ec66244f
commit dcf1481ca1
2 changed files with 9 additions and 19 deletions
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27
compiler/parse/src/expr.rs
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@ -418,10 +418,14 @@ fn parse_expr_final<'a>(
) -> ParseResult<'a, Expr<'a>, EExpr<'a>> {
let right_arg = to_call(arena, expr_state.arguments, expr_state.expr);
let expr = Expr::BinOps(
expr_state.operators.into_bump_slice(),
arena.alloc(right_arg),
);
let expr = if expr_state.operators.is_empty() {
right_arg.value
} else {
Expr::BinOps(
expr_state.operators.into_bump_slice(),
arena.alloc(right_arg),
)
};
Ok((MadeProgress, expr, state))
}
@ -1256,20 +1260,7 @@ fn parse_expr_end<'a>(
// roll back space parsing
let state = expr_state.initial;
if expr_state.operators.is_empty() {
let expr = to_call(arena, expr_state.arguments, expr_state.expr);
Ok((MadeProgress, expr.value, state))
} else {
let right_arg = to_call(arena, expr_state.arguments, expr_state.expr);
let expr = Expr::BinOps(
expr_state.operators.into_bump_slice(),
arena.alloc(right_arg),
);
Ok((MadeProgress, expr, state))
}
parse_expr_final(expr_state, arena, state)
}
}
}