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fix expr_string remove space

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kbkpbot 2025-08-16 10:56:17 +08:00
parent 770b93b680
commit bd5dc04731
1 changed files with 13 additions and 4 deletions
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17
vlib/v/gen/c/cgen.v
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@ -2858,7 +2858,7 @@ fn (mut g Gen) call_cfn_for_casting_expr(fname string, expr ast.Expr, exp ast.Ty
got_is_ptr bool, got_is_fn bool, got_styp string) {
mut rparen_n := 1
mut mutable_idx := 0
mut mutable_sumtype_ptr := ''
mut mutable_sumtype_ptr_name := ''
is_not_ptr_and_fn := !got_is_ptr && !got_is_fn
is_sumtype_cast := !got_is_fn && fname.contains('_to_sumtype_')
@ -2916,8 +2916,11 @@ fn (mut g Gen) call_cfn_for_casting_expr(fname string, expr ast.Expr, exp ast.Ty
} else {
old_left_is_opt := g.left_is_opt
g.left_is_opt = !exp.has_flag(.option)
mutable_sumtype_ptr = g.expr_string(expr)
g.write(mutable_sumtype_ptr)
// Do not use `g.expr_string()` here, as it trim space, we need keep space here
pos := g.out.len
g.expr(expr)
mutable_sumtype_ptr_name = g.out.cut_to(pos)
g.write(mutable_sumtype_ptr_name)
g.left_is_opt = old_left_is_opt
}
if mutable_idx != 0 {
@ -2925,8 +2928,14 @@ fn (mut g Gen) call_cfn_for_casting_expr(fname string, expr ast.Expr, exp ast.Ty
mut sb := strings.new_builder(256)
got_sym, exp_sym := g.table.sym(got), g.table.sym(exp)
got_cname := g.get_sumtype_variant_type_name(got, got_sym)
mutable_sumtype_ptr_name = mutable_sumtype_ptr_name.trim_space()
ptr_name := if got_is_ptr {
'(${mutable_sumtype_ptr_name})'
} else {
'(&(${mutable_sumtype_ptr_name}))'
}
g.write_sumtype_casting_fn_common_fields(mut sb, exp_sym, got_cname, got_sym,
if got_is_ptr { mutable_sumtype_ptr } else { '&${mutable_sumtype_ptr}' })
ptr_name)
g.write(sb.str())
g.write('}')
}