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cgen: fix printing multi-reference struct (#16560)

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yuyi 2022-12-01 03:30:15 +08:00 committed by GitHub
parent fd04c1a03a
commit c06696bc9a
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 16 additions and 4 deletions
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9
vlib/v/gen/c/str.v
View File

@ -91,8 +91,8 @@ fn (mut g Gen) gen_expr_to_string(expr ast.Expr, etype ast.Type) {
if expr !is ast.EnumVal {
str_fn_name := g.get_str_fn(typ)
g.write('${str_fn_name}(')
if typ.is_ptr() {
g.write('*')
if typ.nr_muls() > 0 {
g.write('*'.repeat(typ.nr_muls()))
}
g.enum_expr(expr)
g.write(')')
@ -107,7 +107,8 @@ fn (mut g Gen) gen_expr_to_string(expr ast.Expr, etype ast.Type) {
is_var_mut := expr.is_auto_deref_var()
str_fn_name := g.get_str_fn(typ)
if is_ptr && !is_var_mut {
g.write('str_intp(1, _MOV((StrIntpData[]){{_SLIT("&"), ${si_s_code} ,{.d_s = isnil(')
ref_str := '&'.repeat(typ.nr_muls())
g.write('str_intp(1, _MOV((StrIntpData[]){{_SLIT("${ref_str}"), ${si_s_code} ,{.d_s = isnil(')
g.expr(expr)
g.write(') ? _SLIT("nil") : ')
}
@ -115,7 +116,7 @@ fn (mut g Gen) gen_expr_to_string(expr ast.Expr, etype ast.Type) {
if str_method_expects_ptr && !is_ptr {
g.write('&')
} else if !str_method_expects_ptr && !is_shared && (is_ptr || is_var_mut) {
g.write('*')
g.write('*'.repeat(typ.nr_muls()))
}
if expr is ast.ArrayInit {
if expr.is_fixed {

3
vlib/v/tests/inout/printing_reference_struct.out Normal file
View File

@ -0,0 +1,3 @@
&AStruct{}
AStruct{}
&&AStruct{}

8
vlib/v/tests/inout/printing_reference_struct.vv Normal file
View File

@ -0,0 +1,8 @@
struct AStruct{}
fn main() {
ast := &AStruct{}
println(ast)
println(*ast)
println(&ast)
}