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cgen: fix "fn()?.field?" expr cgen error (fix #16482) (#16488)

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shove 2022-11-20 02:30:24 +08:00 committed by GitHub
parent 05e562cb3c
commit 5ef4e0c9be
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3 changed files with 17 additions and 9 deletions
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4
vlib/v/gen/c/cgen.v
View File

@ -3568,7 +3568,9 @@ fn (mut g Gen) selector_expr(node ast.SelectorExpr) {
styp := g.typ(node.typ)
g.empty_line = true
tmp_var := g.new_tmp_var()
g.write('${styp} ${tmp_var} = ${node.expr}.${node.field_name};')
g.write('${styp} ${tmp_var} = ')
g.expr(node.expr)
g.write('.${node.field_name}')
g.or_block(tmp_var, node.or_block, node.typ)
g.write(stmt_str)
g.write(' ')

17
vlib/v/tests/inout/struct_field_optional.out
View File

@ -1,17 +1,17 @@
1
[vlib/v/tests/inout/struct_field_optional.vv:11] f.bar?: 1
[vlib/v/tests/inout/struct_field_optional.vv:15] f.bar?: 1
2
[vlib/v/tests/inout/struct_field_optional.vv:18] f.bar?: 2
[vlib/v/tests/inout/struct_field_optional.vv:22] f.bar?: 2
3
[vlib/v/tests/inout/struct_field_optional.vv:22] f.bar?: 3
[vlib/v/tests/inout/struct_field_optional.vv:26] f.bar?: 3
3
[vlib/v/tests/inout/struct_field_optional.vv:26] a: 3
[vlib/v/tests/inout/struct_field_optional.vv:30] a: 3
9999
[vlib/v/tests/inout/struct_field_optional.vv:29] b: 9999
[vlib/v/tests/inout/struct_field_optional.vv:33] b: 9999
4
[vlib/v/tests/inout/struct_field_optional.vv:33] sum: 4
[vlib/v/tests/inout/struct_field_optional.vv:37] sum: 4
4
[vlib/v/tests/inout/struct_field_optional.vv:36] sum: 4
[vlib/v/tests/inout/struct_field_optional.vv:40] sum: 4
3
none
3
@ -19,7 +19,8 @@ Foo{
bar: 3
baz: 0
}
[vlib/v/tests/inout/struct_field_optional.vv:57] f: Foo{
[vlib/v/tests/inout/struct_field_optional.vv:61] f: Foo{
bar: 3
baz: 0
}
1

5
vlib/v/tests/inout/struct_field_optional.vv
View File

@ -4,6 +4,10 @@ mut:
baz ?int = none
}
fn get_foo() ?Foo {
return Foo{}
}
fn main() {
// `default value` test
mut f := Foo{}
@ -55,4 +59,5 @@ fn main() {
// others test
println(f)
dump(f)
println(get_foo()?.bar?)
}