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CodeGenerators: Port GenerateCSSEnums to new SourceGenerator API

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Sam Atkins 2023-06-17 14:05:21 +01:00 • committed by Sam Atkins
parent 8e53e5afc4
commit 17473e3d5e
1 changed files with 37 additions and 38 deletions
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75
Meta/Lagom/Tools/CodeGenerators/LibWeb/GenerateCSSEnums.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2022-2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -43,7 +43,7 @@ ErrorOr<void> generate_header_file(JsonObject& enums_data, Core::File& file)
StringBuilder builder;
SourceGenerator generator { builder };
generator.append(R"~~~(
TRY(generator.try_append(R"~~~(
#pragma once
#include <AK/Optional.h>
@ -52,7 +52,7 @@ namespace Web::CSS {
enum class ValueID;
)~~~");
)~~~"));
TRY(enums_data.try_for_each_member([&](auto& name, auto& value) -> ErrorOr<void> {
VERIFY(value.is_array());
@ -65,16 +65,16 @@ enum class ValueID;
// Find the smallest possible type to use.
auto member_max_value = members.size() - 1;
if (NumericLimits<u8>::max() >= member_max_value) {
enum_generator.set("enum_type", "u8");
TRY(enum_generator.set("enum_type", "u8"_short_string));
} else if (NumericLimits<u16>::max() >= member_max_value) {
enum_generator.set("enum_type", "u16");
TRY(enum_generator.set("enum_type", "u16"_short_string));
} else if (NumericLimits<u32>::max() >= member_max_value) {
enum_generator.set("enum_type", "u32");
TRY(enum_generator.set("enum_type", "u32"_short_string));
} else {
enum_generator.set("enum_type", "u64");
TRY(enum_generator.set("enum_type", "u64"_short_string));
}
enum_generator.appendln("enum class @name:titlecase@ : @enum_type@ {");
TRY(enum_generator.try_appendln("enum class @name:titlecase@ : @enum_type@ {"));
for (auto& member : members.values()) {
auto member_name = member.to_deprecated_string();
@ -83,19 +83,18 @@ enum class ValueID;
continue;
auto member_generator = TRY(enum_generator.fork());
TRY(member_generator.set("member:titlecase", TRY(title_casify(member_name))));
member_generator.appendln(" @member:titlecase@,");
TRY(member_generator.try_appendln(" @member:titlecase@,"));
}
enum_generator.appendln("};");
enum_generator.appendln("Optional<@name:titlecase@> value_id_to_@name:snakecase@(ValueID);");
enum_generator.appendln("ValueID to_value_id(@name:titlecase@);");
enum_generator.appendln("StringView to_string(@name:titlecase@);");
enum_generator.append("\n");
TRY(enum_generator.try_appendln("};"));
TRY(enum_generator.try_appendln("Optional<@name:titlecase@> value_id_to_@name:snakecase@(ValueID);"));
TRY(enum_generator.try_appendln("ValueID to_value_id(@name:titlecase@);"));
TRY(enum_generator.try_appendln("StringView to_string(@name:titlecase@);"));
TRY(enum_generator.try_append("\n"));
return {};
}));
generator.appendln("}");
TRY(generator.try_appendln("}"));
TRY(file.write_until_depleted(generator.as_string_view().bytes()));
return {};
@ -106,12 +105,12 @@ ErrorOr<void> generate_implementation_file(JsonObject& enums_data, Core::File& f
StringBuilder builder;
SourceGenerator generator { builder };
generator.append(R"~~~(
TRY(generator.try_append(R"~~~(
#include <LibWeb/CSS/Enums.h>
#include <LibWeb/CSS/ValueID.h>
namespace Web::CSS {
)~~~");
)~~~"));
TRY(enums_data.try_for_each_member([&](auto& name, auto& value) -> ErrorOr<void> {
VERIFY(value.is_array());
@ -121,10 +120,10 @@ namespace Web::CSS {
TRY(enum_generator.set("name:titlecase", TRY(title_casify(name))));
TRY(enum_generator.set("name:snakecase", TRY(snake_casify(name))));
enum_generator.append(R"~~~(
TRY(enum_generator.try_append(R"~~~(
Optional<@name:titlecase@> value_id_to_@name:snakecase@(ValueID value_id)
{
switch (value_id) {)~~~");
switch (value_id) {)~~~"));
for (auto& member : members.values()) {
auto member_generator = TRY(enum_generator.fork());
@ -137,22 +136,22 @@ Optional<@name:titlecase@> value_id_to_@name:snakecase@(ValueID value_id)
TRY(member_generator.set("valueid:titlecase", TRY(title_casify(member_name))));
TRY(member_generator.set("member:titlecase", TRY(title_casify(member_name))));
}
member_generator.append(R"~~~(
TRY(member_generator.try_append(R"~~~(
case ValueID::@valueid:titlecase@:
return @name:titlecase@::@member:titlecase@;)~~~");
return @name:titlecase@::@member:titlecase@;)~~~"));
}
enum_generator.append(R"~~~(
TRY(enum_generator.try_append(R"~~~(
default:
return {};
}
}
)~~~");
)~~~"));
enum_generator.append(R"~~~(
TRY(enum_generator.try_append(R"~~~(
ValueID to_value_id(@name:titlecase@ @name:snakecase@_value)
{
switch (@name:snakecase@_value) {)~~~");
switch (@name:snakecase@_value) {)~~~"));
for (auto& member : members.values()) {
auto member_generator = TRY(enum_generator.fork());
@ -161,46 +160,46 @@ ValueID to_value_id(@name:titlecase@ @name:snakecase@_value)
continue;
TRY(member_generator.set("member:titlecase", TRY(title_casify(member_name))));
member_generator.append(R"~~~(
TRY(member_generator.try_append(R"~~~(
case @name:titlecase@::@member:titlecase@:
return ValueID::@member:titlecase@;)~~~");
return ValueID::@member:titlecase@;)~~~"));
}
enum_generator.append(R"~~~(
TRY(enum_generator.try_append(R"~~~(
default:
VERIFY_NOT_REACHED();
}
}
)~~~");
)~~~"));
enum_generator.append(R"~~~(
TRY(enum_generator.try_append(R"~~~(
StringView to_string(@name:titlecase@ value)
{
switch (value) {)~~~");
switch (value) {)~~~"));
for (auto& member : members.values()) {
auto member_generator = TRY(enum_generator.fork());
auto member_name = member.to_deprecated_string();
if (member_name.contains('='))
continue;
member_generator.set("member:css", member_name);
TRY(member_generator.set("member:css", TRY(String::from_deprecated_string(member_name))));
TRY(member_generator.set("member:titlecase", TRY(title_casify(member_name))));
member_generator.append(R"~~~(
TRY(member_generator.try_append(R"~~~(
case @name:titlecase@::@member:titlecase@:
return "@member:css@"sv;)~~~");
return "@member:css@"sv;)~~~"));
}
enum_generator.append(R"~~~(
TRY(enum_generator.try_append(R"~~~(
default:
VERIFY_NOT_REACHED();
}
}
)~~~");
)~~~"));
return {};
}));
generator.appendln("}");
TRY(generator.try_appendln("}"));
TRY(file.write_until_depleted(generator.as_string_view().bytes()));
return {};