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JSSpecCompiler: Parse "Perform <expression>." steps

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Dan Klishch 2024-01-21 00:11:56 -05:00 • committed by Andrew Kaster
parent d1fc84c638
commit ddf26a768c
2 changed files with 21 additions and 0 deletions
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20
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Parser/TextParser.cpp
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@ -463,6 +463,18 @@ TextParseErrorOr<Tree> TextParser::parse_assignment()
return make_ref_counted<BinaryOperation>(op, lvalue, rvalue);
}
// perform <expr>
TextParseErrorOr<Tree> TextParser::parse_perform()
{
auto rollback = rollback_point();
TRY(consume_word("perform"sv));
auto value = TRY(parse_expression());
rollback.disarm();
return value;
}
// <simple_step>
TextParseErrorOr<Tree> TextParser::parse_simple_step_or_inline_if_branch()
{
@ -493,6 +505,14 @@ TextParseErrorOr<Tree> TextParser::parse_simple_step_or_inline_if_branch()
return result.release_value();
}
// Perform <expr>.$
if (auto result = parse_perform(); !result.is_error()) {
TRY(consume_token_with_type(TokenType::Dot));
TRY(expect_eof());
rollback.disarm();
return result.release_value();
}
return TextParseError {};
}