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json: fix -cstrict build + optional map (#18014)
This commit is contained in:
Felipe Pena
GitHub
parent
4c54f36a70
commit
c43ea09d87
22
vlib/json/json_encode_map_test.v
Normal file
22
vlib/json/json_encode_map_test.v
Normal file
@ -0,0 +1,22 @@
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import json
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struct Test {
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optional_string ?string
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optional_array ?[]string
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optional_struct_array ?[]string
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optional_map ?map[string]string
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}
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fn test_main() {
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test := Test{}
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encoded := json.encode(test)
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assert dump(encoded) == '{}'
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test2 := Test{
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optional_map: {
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'foo': 'bar'
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}
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}
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encoded2 := json.encode(test2)
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assert dump(encoded2) == '{"optional_map":{"foo":"bar"}}'
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}
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@ -135,8 +135,8 @@ ${enc_fn_dec} {
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m := sym.info as ast.Map
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g.gen_json_for_type(m.key_type)
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g.gen_json_for_type(m.value_type)
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dec.writeln(g.decode_map(m.key_type, m.value_type, ret_styp))
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enc.writeln(g.encode_map(m.key_type, m.value_type))
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dec.writeln(g.decode_map(utyp, m.key_type, m.value_type, ret_styp))
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enc.writeln(g.encode_map(utyp, m.key_type, m.value_type))
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} else if sym.kind == .alias {
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a := sym.info as ast.Alias
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parent_typ := a.parent_type
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@ -155,8 +155,8 @@ ${enc_fn_dec} {
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m := psym.info as ast.Map
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g.gen_json_for_type(m.key_type)
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g.gen_json_for_type(m.value_type)
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dec.writeln(g.decode_map(m.key_type, m.value_type, ret_styp))
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enc.writeln(g.encode_map(m.key_type, m.value_type))
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dec.writeln(g.decode_map(utyp, m.key_type, m.value_type, ret_styp))
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enc.writeln(g.encode_map(utyp, m.key_type, m.value_type))
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} else {
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verror('json: ${sym.name} is not struct')
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}
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@ -184,7 +184,7 @@ ${enc_fn_dec} {
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dec.writeln('\t${result_name}_${ret_styp} ret;')
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dec.writeln('\t_result_ok(&res, (${result_name}*)&ret, sizeof(res));')
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if utyp.has_flag(.option) {
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dec.writeln('\t_option_ok(&res.data, &ret.data, sizeof(${g.base_type(utyp)}));')
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dec.writeln('\t_option_ok(&res.data, (${option_name}*)&ret.data, sizeof(${g.base_type(utyp)}));')
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}
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dec.writeln('\treturn ret;\n}')
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enc.writeln('\treturn o;\n}')
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@ -241,7 +241,7 @@ fn (mut g Gen) gen_enum_enc_dec(utyp ast.Type, sym ast.TypeSymbol, mut enc strin
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if is_option {
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base_typ := g.typ(utyp.clear_flag(.option))
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enc.writeln('\to = ${js_enc_name('u64')}(*val.data);')
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dec.writeln('\t_option_ok(&(${base_typ}[]){ ${js_dec_name('u64')}(root) }, &res, sizeof(${base_typ}));')
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dec.writeln('\t_option_ok(&(${base_typ}[]){ ${js_dec_name('u64')}(root) }, (${option_name}*)&res, sizeof(${base_typ}));')
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} else {
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dec.writeln('\tres = ${js_dec_name('u64')}(root);')
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enc.writeln('\to = ${js_enc_name('u64')}(val);')
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@ -280,7 +280,7 @@ fn (mut g Gen) gen_option_enc_dec(typ ast.Type, mut enc strings.Builder, mut dec
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enc.writeln('\to = ${encode_name}(*(${type_str}*)val.data);')
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dec_name := js_dec_name(type_str)
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dec.writeln('\t_option_ok(&(${type_str}[]){ ${dec_name}(root) }, &res, sizeof(${type_str}));')
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dec.writeln('\t_option_ok(&(${type_str}[]){ ${dec_name}(root) }, (${option_name}*)&res, sizeof(${type_str}));')
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}
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[inline]
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@ -393,7 +393,7 @@ fn (mut g Gen) gen_sumtype_enc_dec(utyp ast.Type, sym ast.TypeSymbol, mut enc st
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dec.writeln('\t\t${variant_typ} value = *(${variant_typ}*)(${tmp}.data);')
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}
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if is_option {
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dec.writeln('\t\t\t_option_ok(&(${sym.cname}[]){ ${variant_typ}_to_sumtype_${sym.cname}(&value) }, &res, sizeof(${sym.cname}));')
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dec.writeln('\t\t\t_option_ok(&(${sym.cname}[]){ ${variant_typ}_to_sumtype_${sym.cname}(&value) }, (${option_name}*)&res, sizeof(${sym.cname}));')
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} else {
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dec.writeln('\t\tres = ${variant_typ}_to_sumtype_${ret_styp}(&value);')
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}
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@ -806,7 +806,7 @@ fn (mut g Gen) decode_array(utyp ast.Type, value_type ast.Type, fixed_array_size
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fixed_array_idx_increment += 'fixed_array_idx++;'
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} else {
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array_element_assign += 'array_push${noscan}((array*)&res.data, &val);'
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res_str += '_option_ok(&(${g.base_type(utyp)}[]) { __new_array${noscan}(0, 0, sizeof(${styp})) }, &res, sizeof(${g.base_type(utyp)}));'
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res_str += '_option_ok(&(${g.base_type(utyp)}[]) { __new_array${noscan}(0, 0, sizeof(${styp})) }, (${option_name}*)&res, sizeof(${g.base_type(utyp)}));'
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array_free_str += 'array_free(&res.data);'
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}
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} else {
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@ -882,7 +882,7 @@ fn (mut g Gen) encode_array(utyp ast.Type, value_type ast.Type, fixed_array_size
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'
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}
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fn (mut g Gen) decode_map(key_type ast.Type, value_type ast.Type, ustyp string) string {
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fn (mut g Gen) decode_map(utyp ast.Type, key_type ast.Type, value_type ast.Type, ustyp string) string {
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styp := g.typ(key_type)
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mut styp_v := g.typ(value_type)
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ret_styp := styp_v.replace('*', '_ptr')
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@ -902,6 +902,22 @@ fn (mut g Gen) decode_map(key_type ast.Type, value_type ast.Type, ustyp string)
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${styp_v} val = *(${styp_v}*)val2.data;
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'
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}
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if utyp.has_flag(.option) {
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return '
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if(!cJSON_IsObject(root) && !cJSON_IsNull(root)) {
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return (${result_name}_${ustyp}){ .is_error = true, .err = _v_error(string__plus(_SLIT("Json element is not an object: "), tos2((byteptr)cJSON_PrintUnformatted(root)))), .data = {0}};
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}
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_option_ok(&(${g.base_type(utyp)}[]) { new_map(sizeof(${styp}), sizeof(${styp_v}), ${hash_fn}, ${key_eq_fn}, ${clone_fn}, ${free_fn}) }, (${option_name}*)&res, sizeof(${g.base_type(utyp)}));
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cJSON *jsval = NULL;
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cJSON_ArrayForEach(jsval, root)
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{
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${s}
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string key = tos2((byteptr)jsval->string);
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map_set((map*)res.data, &key, &val);
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}
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'
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} else {
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return '
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if(!cJSON_IsObject(root) && !cJSON_IsNull(root)) {
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return (${result_name}_${ustyp}){ .is_error = true, .err = _v_error(string__plus(_SLIT("Json element is not an object: "), tos2((byteptr)cJSON_PrintUnformatted(root)))), .data = {0}};
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@ -915,9 +931,10 @@ fn (mut g Gen) decode_map(key_type ast.Type, value_type ast.Type, ustyp string)
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map_set(&res, &key, &val);
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}
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'
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}
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}
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fn (mut g Gen) encode_map(key_type ast.Type, value_type ast.Type) string {
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fn (mut g Gen) encode_map(utyp ast.Type, key_type ast.Type, value_type ast.Type) string {
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styp := g.typ(key_type)
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styp_v := g.typ(value_type)
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fn_name_v := js_enc_name(styp_v)
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@ -930,6 +947,17 @@ fn (mut g Gen) encode_map(key_type ast.Type, value_type ast.Type) string {
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// key += '${styp}_str((($styp*)${keys_tmp}.data)[i]);'
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verror('json: encode only maps with string keys')
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}
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if utyp.has_flag(.option) {
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return '
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o = cJSON_CreateObject();
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Array_${styp} ${keys_tmp} = map_keys((map*)val.data);
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for (int i = 0; i < ${keys_tmp}.len; ++i) {
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${key}
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cJSON_AddItemToObject(o, (char*) key.str, ${fn_name_v} ( *(${styp_v}*) map_get((map*)val.data, &key, &(${styp_v}[]) { ${zero} } ) ) );
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}
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array_free(&${keys_tmp});
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'
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} else {
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return '
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o = cJSON_CreateObject();
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Array_${styp} ${keys_tmp} = map_keys(&val);
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@ -939,4 +967,5 @@ fn (mut g Gen) encode_map(key_type ast.Type, value_type ast.Type) string {
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}
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array_free(&${keys_tmp});
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'
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}
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}
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