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Implemented parsing for UserDefinedValueType

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Also added parsing tests.
This commit is contained in:
hrkrshnn
2021-09-07 19:42:51 +02:00
parent d3ae9cf71b
commit 9f7426b4a9
5 changed files with 36 additions and 0 deletions
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libsolidity/parsing/Parser.cpp
+21
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@@ -113,6 +113,9 @@ ASTPointer<SourceUnit> Parser::parse(CharStream& _charStream)
case Token::Enum:
nodes.push_back(parseEnumDefinition());
break;
case Token::Type:
nodes.push_back(parseUserDefinedValueTypeDefinition());
break;
case Token::Function:
nodes.push_back(parseFunctionDefinition(true));
break;
@@ -364,6 +367,8 @@ ASTPointer<ContractDefinition> Parser::parseContractDefinition()
subNodes.push_back(parseStructDefinition());
else if (currentTokenValue == Token::Enum)
subNodes.push_back(parseEnumDefinition());
else if (currentTokenValue == Token::Type)
subNodes.push_back(parseUserDefinedValueTypeDefinition());
else if (
// Workaround because `error` is not a keyword.
currentTokenValue == Token::Identifier &&
@@ -1010,6 +1015,22 @@ ASTPointer<UserDefinedTypeName> Parser::parseUserDefinedTypeName()
return nodeFactory.createNode<UserDefinedTypeName>(identifierPath);
}
ASTPointer<UserDefinedValueTypeDefinition> Parser::parseUserDefinedValueTypeDefinition()
{
ASTNodeFactory nodeFactory(*this);
expectToken(Token::Type);
auto&& [name, nameLocation] = expectIdentifierWithLocation();
expectToken(Token::Is);
ASTPointer<TypeName> typeName = parseTypeName();
nodeFactory.markEndPosition();
expectToken(Token::Semicolon);
return nodeFactory.createNode<UserDefinedValueTypeDefinition>(
name,
move(nameLocation),
typeName
);
}
ASTPointer<IdentifierPath> Parser::parseIdentifierPath()
{
RecursionGuard recursionGuard(*this);