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cgen: add temp (TODO) auto str for interfaces

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This commit is contained in:
Joe Conigliaro 2020-12-29 20:25:38 +11:00
parent 9728abf4bc
commit d094baf107
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GPG Key ID: C12F7136C08206F1
3 changed files with 14 additions and 3 deletions
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13
vlib/v/gen/auto_str_methods.v
View File

@ -55,6 +55,9 @@ fn (mut g Gen) gen_str_for_type(typ table.Type) string {
table.SumType {
g.gen_str_for_union_sum_type(sym.info, styp, str_fn_name)
}
table.Interface {
g.gen_str_for_interface(sym.info, styp, str_fn_name)
}
else {
verror("could not generate string method $str_fn_name for type '$styp'")
}
@ -449,7 +452,7 @@ fn (mut g Gen) gen_str_for_struct(info table.Struct, styp string, str_fn_name st
fn struct_auto_str_func(sym table.TypeSymbol, field_type table.Type, fn_name string, field_name string) string {
has_custom_str := sym.has_method('str')
if sym.kind == .enum_ {
if sym.kind in [.enum_, .interface_] {
return '${fn_name}(it.${c_name(field_name)})'
} else if sym.kind == .struct_ {
mut obj := 'it.${c_name(field_name)}'
@ -506,6 +509,14 @@ fn (mut g Gen) gen_str_for_enum(info table.Enum, styp string, str_fn_name string
g.auto_str_funcs.writeln('}')
}
fn (mut g Gen) gen_str_for_interface(info table.Interface, styp string, str_fn_name string) {
// TODO
g.type_definitions.writeln('static string ${str_fn_name}($styp it); // auto')
g.auto_str_funcs.writeln('static string ${str_fn_name}($styp it) { /* gen_str_for_interface */')
g.auto_str_funcs.writeln('\treturn _SLIT("$styp{ /* TODO: Interface str */ }");')
g.auto_str_funcs.writeln('}')
}
fn (mut g Gen) gen_str_for_union_sum_type(info table.SumType, styp string, str_fn_name string) {
mut gen_fn_names := map[string]string{}
for typ in info.variants {

2
vlib/v/gen/cgen.v
View File

@ -5483,7 +5483,7 @@ fn (g &Gen) type_to_fmt(typ table.Type) string {
if typ.is_ptr() && (typ.is_int() || typ.is_float()) {
return '%.*s\\000'
} else if sym.kind in
[.struct_, .array, .array_fixed, .map, .bool, .enum_, .sum_type, .function] {
[.struct_, .array, .array_fixed, .map, .bool, .enum_, .interface_, .sum_type, .function] {
return '%.*s\\000'
} else if sym.kind == .string {
return "\'%.*s\\000\'"

2
vlib/v/gen/str.v
View File

@ -343,7 +343,7 @@ fn (mut g Gen) gen_expr_to_string(expr ast.Expr, etype table.Type) {
g.write('")')
}
} else if sym_has_str_method || sym.kind in
[.array, .array_fixed, .map, .struct_, .multi_return, .sum_type] {
[.array, .array_fixed, .map, .struct_, .multi_return, .sum_type, .interface_] {
is_ptr := typ.is_ptr()
str_fn_name := g.gen_str_for_type(typ)
if is_ptr {