refactor: rewrite json stringification to write json directly
This commit is contained in:
parent
c893a7cb31
commit
af0d4d92b3
2 changed files with 105 additions and 119 deletions
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@ -256,6 +256,8 @@ fn processFile(file_name: []const u8, output_dir: std.fs.Dir, manifest: anytype)
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}
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fn zigFmt(allocator: std.mem.Allocator, buffer: [:0]const u8) ![]const u8 {
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// if (true) return buffer;
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var tree = try std.zig.Ast.parse(allocator, buffer, .zig);
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defer tree.deinit(allocator);
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@ -847,14 +849,15 @@ fn generateToJsonFunction(shape_id: []const u8, writer: std.io.AnyWriter, state:
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if (try getJsonMembers(allocator, shape, state)) |json_members| {
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if (json_members.items.len > 0) {
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try writer.writeAll("/// Allocator should be from an Arena\n");
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try writer.writeAll("pub fn toJson(self: @This(), allocator: std.mem.Allocator) !std.json.Value {\n");
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try writer.writeAll("var object_map = std.json.ObjectMap.init(allocator);\n");
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try writer.writeAll("pub fn toJson(self: @This(), jw: anytype) !void {\n");
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try writer.writeAll("try jw.beginObject();\n");
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try writer.writeAll("{\n");
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for (json_members.items) |member| {
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const member_value = try getMemberValueJson(allocator, "self", member);
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defer allocator.free(member_value);
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try writer.print("try object_map.put(\"{s}\", ", .{member.json_key});
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try writer.print("try jw.objectField(\"{s}\");\n", .{member.json_key});
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try writeMemberJson(
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.{
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.shape_id = member.target,
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@ -865,18 +868,15 @@ fn generateToJsonFunction(shape_id: []const u8, writer: std.io.AnyWriter, state:
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},
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writer,
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);
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try writer.writeAll(");\n");
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}
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try writer.writeAll("return .{ .object = object_map, };\n");
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try writer.writeAll("}\n");
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try writer.writeAll("try jw.endObject();\n");
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try writer.writeAll("}\n\n");
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// json stringify function
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try writer.writeAll("pub fn jsonStringify(self: @This(), jw: anytype) !void {\n");
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try writer.writeAll("var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);\n");
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try writer.writeAll("defer arena.deinit();\n");
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try writer.writeAll("const json_value = try self.toJson(arena.allocator());\n");
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try writer.writeAll("try jw.write(json_value);\n");
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try writer.writeAll("try self.toJson(jw);\n");
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try writer.writeAll("}\n");
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}
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}
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@ -954,33 +954,10 @@ fn getShapeJsonValueType(shape: Shape) []const u8 {
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}
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fn writeMemberValue(
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allocator: std.mem.Allocator,
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writer: anytype,
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member_value: []const u8,
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shape_info: smithy.ShapeInfo,
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traits: []smithy.Trait,
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) !void {
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if (shapeIsLeaf(shape_info.shape)) {
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const json_value_type = getShapeJsonValueType(shape_info.shape);
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if (shapeIsOptional(traits)) {
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const member_value_capture = try case.allocTo(allocator, .snake, member_value);
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defer allocator.free(member_value_capture);
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try writer.print("if ({s}) |{s}|", .{ member_value, member_value_capture });
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try writer.writeAll("std.json.Value{");
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try writer.writeAll(json_value_type);
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try writer.print(" = {s}", .{member_value_capture});
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try writer.writeAll("} else .{ .null = undefined }");
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} else {
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try writer.writeAll("std.json.Value{");
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try writer.writeAll(json_value_type);
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try writer.print(" = {s}", .{member_value});
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try writer.writeAll("}");
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}
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} else {
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try writer.writeAll(member_value);
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}
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try writer.writeAll(member_value);
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}
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fn getMemberValueJson(allocator: std.mem.Allocator, source: []const u8, member: JsonMember) ![]const u8 {
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@ -991,11 +968,8 @@ fn getMemberValueJson(allocator: std.mem.Allocator, source: []const u8, member:
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const writer = output_block.writer(allocator);
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try writeMemberValue(
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allocator,
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writer,
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member_value,
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member.shape_info,
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member.type_member.traits,
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);
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return output_block.toOwnedSlice(allocator);
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@ -1023,21 +997,23 @@ fn writeStructureMemberJson(params: WriteMemberJsonParams, writer: std.io.AnyWri
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try writer.print("\n// start {s}: {s}\n", .{ shape_type, structure_name });
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defer writer.print("// end {s}: {s}\n", .{ shape_type, structure_name }) catch std.debug.panic("Unreachable", .{});
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const blk_name = try std.fmt.allocPrint(allocator, "{s}_blk", .{structure_name});
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defer allocator.free(blk_name);
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// const blk_name = try std.fmt.allocPrint(allocator, "{s}_blk", .{structure_name});
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// defer allocator.free(blk_name);
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if (try getJsonMembers(allocator, shape, state)) |json_members| {
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try writer.writeAll(blk_name);
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try writer.writeAll(": {\n");
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// try writer.writeAll(blk_name);
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// try writer.writeAll(": {\n");
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if (json_members.items.len > 0) {
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try writer.print("var {s} = std.json.ObjectMap.init(allocator);\n", .{structure_name});
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try writer.writeAll("try jw.beginObject();\n");
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try writer.writeAll("{\n");
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for (json_members.items) |member| {
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const member_value = try getMemberValueJson(allocator, params.field_value, member);
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defer allocator.free(member_value);
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try writer.print("try {s}.put(\"{s}\", ", .{ structure_name, member.json_key });
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// try writer.print("try {s}.put(\"{s}\", ", .{ structure_name, member.json_key });
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try writer.print("try jw.objectField(\"{s}\");\n", .{member.json_key});
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try writeMemberJson(
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.{
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.shape_id = member.target,
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@ -1048,26 +1024,29 @@ fn writeStructureMemberJson(params: WriteMemberJsonParams, writer: std.io.AnyWri
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},
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writer,
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);
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try writer.writeAll(");\n");
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}
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try writer.print("break :{s} ", .{blk_name});
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try writer.writeAll(".{ .object = ");
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try writer.writeAll(structure_name);
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try writer.writeAll("};");
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try writer.writeAll("}\n");
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try writer.writeAll("try jw.endObject();\n");
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// try writer.print("break :{s} ", .{blk_name});
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// try writer.writeAll(".{ .object = ");
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// try writer.writeAll(structure_name);
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// try writer.writeAll("};");
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} else {
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try writer.print("break :{s} ", .{blk_name});
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try writer.writeAll(".null;");
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// try writer.print("break :{s} ", .{blk_name});
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// try writer.writeAll(".null;");
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}
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try writer.writeAll("}\n");
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// try writer.writeAll("}\n");
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}
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}
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fn writeTimestampJson(params: WriteMemberJsonParams, writer: std.io.AnyWriter) anyerror!void {
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try writer.writeAll("try std.json.Value.jsonParse(allocator, ");
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try writer.writeAll("\n// timestamp\n");
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try writer.writeAll("try jw.write(");
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try writer.writeAll(params.field_value);
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try writer.writeAll(", .{})");
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try writer.writeAll(");\n");
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}
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fn writeListJson(list: ListShape, params: WriteMemberJsonParams, writer: std.io.AnyWriter) anyerror!void {
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@ -1092,53 +1071,50 @@ fn writeListJson(list: ListShape, params: WriteMemberJsonParams, writer: std.io.
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const list_capture = try std.fmt.allocPrint(state.allocator, "{s}_capture", .{list_name});
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defer state.allocator.free(list_capture);
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try writer.writeAll(blk_name);
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try writer.writeAll(": {\n");
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// try writer.writeAll(blk_name);
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// try writer.writeAll(": {\n");
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{
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try writer.print("var {s} = std.json.Array.init(allocator);\n", .{list_name});
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try writer.print("const {s} = {s};\n", .{ list_value_name_local, params.field_value });
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// try writer.print("var {s} = std.json.Array.init(allocator);\n", .{list_name});
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const list_is_optional = shapeIsOptional(list.traits);
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var list_value = list_value_name_local;
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var list_value = params.field_value;
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if (list_is_optional) {
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list_value = list_capture;
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try writer.print("if ({s}) |{s}| ", .{
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list_value_name_local,
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params.field_value,
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list_capture,
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});
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try writer.writeAll("{\n");
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}
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const list_target_shape_info = try shapeInfoForId(list.member_target, state.file_state.shapes);
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// start loop
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try writer.writeAll("try jw.beginArray();\n");
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try writer.print("for ({s}) |{s}|", .{ list_value, list_each_value });
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try writer.writeAll("{\n");
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try writer.print("try {s}.append(", .{list_name});
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try writer.writeAll("try jw.write(");
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try writeMemberValue(
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allocator,
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writer,
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list_each_value,
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list_target_shape_info,
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@constCast(&[_]smithy.Trait{.required}),
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);
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try writer.writeAll(");");
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try writer.writeAll(");\n");
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try writer.writeAll("}\n");
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try writer.writeAll("try jw.endArray();\n");
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// end loop
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if (list_is_optional) {
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try writer.writeAll("} else {\n");
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try writer.writeAll("try jw.write(null);\n");
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try writer.writeAll("}\n");
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}
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try writer.print("break :{s} ", .{blk_name});
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try writer.writeAll(".{ .array = ");
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try writer.print(" {s} ", .{list_name});
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try writer.writeAll("};");
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// try writer.print("break :{s} ", .{blk_name});
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// try writer.writeAll(".{ .array = ");
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// try writer.print(" {s} ", .{list_name});
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// try writer.writeAll("};");
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}
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try writer.writeAll("}\n");
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// try writer.writeAll("}\n");
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}
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fn writeMapJson(map: MapShape, params: WriteMemberJsonParams, writer: std.io.AnyWriter) anyerror!void {
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@ -1156,8 +1132,11 @@ fn writeMapJson(map: MapShape, params: WriteMemberJsonParams, writer: std.io.Any
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const map_value_capture = try std.fmt.allocPrint(allocator, "{s}_kvp", .{map_name});
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defer allocator.free(map_value_capture);
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const map_value_capture_key = try std.fmt.allocPrint(allocator, "{s}.key", .{map_value_capture});
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defer allocator.free(map_value_capture_key);
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const map_capture_key = try std.fmt.allocPrint(allocator, "{s}.key", .{map_value_capture});
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defer allocator.free(map_capture_key);
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const map_capture_value = try std.fmt.allocPrint(allocator, "{s}.value", .{map_value_capture});
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defer allocator.free(map_capture_value);
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const value_name = try std.fmt.allocPrint(allocator, "{s}_value", .{map_value_capture});
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defer allocator.free(value_name);
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@ -1184,15 +1163,15 @@ fn writeMapJson(map: MapShape, params: WriteMemberJsonParams, writer: std.io.Any
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const map_capture = try std.fmt.allocPrint(state.allocator, "{s}_capture", .{map_name});
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try writer.writeAll(blk_name);
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try writer.writeAll(": {\n");
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// try writer.writeAll(blk_name);
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// try writer.writeAll(": {\n");
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{
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const map_member = params.member;
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const key_member = smithy.TypeMember{
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.name = "key",
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.target = map.key,
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.traits = @constCast(&[_]smithy.Trait{.required}),
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};
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// const key_member = smithy.TypeMember{
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// .name = "key",
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// .target = map.key,
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// .traits = @constCast(&[_]smithy.Trait{.required}),
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// };
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const map_is_optional = !hasTrait(.required, map_member.traits);
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@ -1208,68 +1187,78 @@ fn writeMapJson(map: MapShape, params: WriteMemberJsonParams, writer: std.io.Any
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try writer.writeAll("{\n");
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}
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try writer.print("var {s} = std.json.ObjectMap.init(allocator);\n", .{map_name});
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// try writer.print("var {s} = std.json.ObjectMap.init(allocator);\n", .{map_name});
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try writer.writeAll("try jw.beginObject();\n");
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try writer.writeAll("{\n");
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// start loop
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try writer.print("for ({s}) |{s}|", .{ map_value, map_value_capture });
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try writer.writeAll("{\n");
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try writer.print("const {s}: std.json.Value = ", .{value_name});
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// try writer.print("const {s}: std.json.Value = ", .{value_name});
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// try writeMemberJson(.{
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// .shape_id = map.value,
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// .field_name = "value",
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// .field_value = map_value_block,
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// .state = state,
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// .member = value_member,
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// }, writer);
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// try writer.writeAll(";\n");
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// try writer.print("try {s}.put(\n", .{map_name});
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// try writeMemberJson(.{
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// .shape_id = map.key,
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// .field_name = "key",
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// .field_value = map_value_capture_key,
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// .state = state.indent(),
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// .member = key_member,
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// }, writer);
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// try writer.writeAll(", ");
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// try writer.writeAll(");\n");
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try writer.print("try jw.objectField({s});\n", .{map_capture_key});
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try writeMemberJson(.{
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.shape_id = map.value,
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.field_name = "value",
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.field_value = map_value_block,
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.state = state,
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.member = value_member,
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}, writer);
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try writer.writeAll(";\n");
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try writer.print("try {s}.put(\n", .{map_name});
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try writeMemberJson(.{
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.shape_id = map.key,
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.field_name = "key",
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.field_value = map_value_capture_key,
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.state = state.indent(),
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.member = key_member,
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}, writer);
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try writer.writeAll(", ");
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try writeMemberJson(.{
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.shape_id = map.value,
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.field_name = "value",
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.field_value = value_name,
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.field_value = map_capture_value,
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.state = state.indent(),
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.member = value_member,
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}, writer);
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try writer.writeAll(");\n");
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try writer.writeAll("}\n");
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// end loop
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try writer.print("break :{s}", .{blk_name});
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try writer.writeAll(".{ .object = ");
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try writer.writeAll(map_name);
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try writer.writeAll("};\n");
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// try writer.print("break :{s}", .{blk_name});
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// try writer.writeAll(".{ .object = ");
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// try writer.writeAll(map_name);
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// try writer.writeAll("};\n");
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try writer.writeAll("}\n");
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try writer.writeAll("try jw.endObject();\n");
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if (map_is_optional) {
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try writer.writeAll("} else {\n");
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try writer.writeAll("try jw.write(null);\n");
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try writer.writeAll("}\n");
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try writer.print("break :{s} .null;", .{blk_name});
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// try writer.print("break :{s} .null;", .{blk_name});
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}
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}
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try writer.writeAll("}\n");
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// try writer.writeAll("}\n");
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}
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fn writeScalarJson(comment: []const u8, params: WriteMemberJsonParams, writer: std.io.AnyWriter) anyerror!void {
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try writer.print("\n// {s}\n", .{comment});
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try writer.writeAll(params.field_value);
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try writer.print("try jw.write({s}); // {s}\n\n", .{ params.field_value, comment });
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}
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fn writeMemberJson(params: WriteMemberJsonParams, writer: std.io.AnyWriter) anyerror!void {
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const shape_id = params.shape_id;
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const state = params.state;
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const value = params.field_value;
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// const value = params.field_value;
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const shape_info = try shapeInfoForId(shape_id, state.file_state.shapes);
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const shape = shape_info.shape;
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if (state.getTypeRecurrenceCount(shape_id) > 2) {
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try writer.writeAll(value);
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// try writer.writeAll(value);
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return;
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}
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@ -1296,6 +1285,7 @@ fn writeMemberJson(params: WriteMemberJsonParams, writer: std.io.AnyWriter) anye
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.byte => try writeScalarJson("byte", params, writer),
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.short => try writeScalarJson("short", params, writer),
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else => std.debug.panic("Unexpected shape type: {}", .{shape}),
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// else => {},
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}
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}
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12
src/aws.zig
12
src/aws.zig
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@ -2628,7 +2628,7 @@ test "test server timeout works" {
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const testing = std.testing;
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test "toJson: structure + enums" {
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test "jsonStringify: structure + enums" {
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const request = services.media_convert.PutPolicyRequest{
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.policy = .{
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.http_inputs = "foo",
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@ -2640,9 +2640,7 @@ test "toJson: structure + enums" {
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var arena = std.heap.ArenaAllocator.init(testing.allocator);
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defer arena.deinit();
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const request_json_value = try request.toJson(arena.allocator());
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const request_json = try std.json.stringifyAlloc(std.testing.allocator, request_json_value, .{});
|
||||
const request_json = try std.json.stringifyAlloc(std.testing.allocator, request, .{});
|
||||
defer std.testing.allocator.free(request_json);
|
||||
|
||||
const parsed = try std.json.parseFromSlice(struct {
|
||||
|
@ -2659,7 +2657,7 @@ test "toJson: structure + enums" {
|
|||
try testing.expectEqualStrings("baz", parsed.value.policy.s3Inputs);
|
||||
}
|
||||
|
||||
test "toJson: strings" {
|
||||
test "jsonStringify: strings" {
|
||||
const request = services.media_convert.AssociateCertificateRequest{
|
||||
.arn = "1234",
|
||||
};
|
||||
|
@ -2667,9 +2665,7 @@ test "toJson: strings" {
|
|||
var arena = std.heap.ArenaAllocator.init(testing.allocator);
|
||||
defer arena.deinit();
|
||||
|
||||
const request_json_value = try request.toJson(arena.allocator());
|
||||
|
||||
const request_json = try std.json.stringifyAlloc(std.testing.allocator, request_json_value, .{});
|
||||
const request_json = try std.json.stringifyAlloc(std.testing.allocator, request, .{});
|
||||
defer std.testing.allocator.free(request_json);
|
||||
|
||||
try testing.expectEqualStrings("{\"arn\":\"1234\"}", request_json);
|
||||
|
|
Loading…
Add table
Reference in a new issue