void ParseEnum(FileNode filenode, MessageNode msgNode)
{
var node = new EnumNode();
ParseCommentAndEOL(node);
// message的头注释
Consume(TokenType.Enum);
MarkLocation(node);
node.Name = FetchToken(TokenType.Identifier, "require enum type name").Value;
_tool.CheckDuplicate(node.Loc, filenode.Package, node.Name);
if (_fileNode.IsTopScope())
{
filenode.AddEnum(node);
}
else
{
msgNode.Add(node);
}
_fileNode.AddSymbol(filenode.Package, node.Name, node);
TryConsume(TokenType.EOL);
ParseCommentAndEOL(node);
Consume(TokenType.LBrace);
TryConsume(TokenType.EOL);
while (CurrToken.Type != TokenType.RBrace)
{
var valueNode = new EnumValueNode();
// 字段的头注释
ParseCommentAndEOL(valueNode);
MarkLocation(valueNode);
valueNode.Name = FetchToken(TokenType.Identifier, "require enum name").Value;
CheckDuplicate(node, _lexer.Loc, valueNode.Name);
Consume(TokenType.Assign);
valueNode.Number = FetchToken(TokenType.Number, "require enum value").ToInteger();
Consume(TokenType.SemiColon);
node.AddValue(valueNode);
// 尾注释
ParseTrailingComment(valueNode);
ParseCommentAndEOL(valueNode);
}
Consume(TokenType.RBrace); TryConsume(TokenType.EOL);
}
