本文整理汇总了C#中ILexer.AssertToken方法的典型用法代码示例。如果您正苦于以下问题：C# ILexer.AssertToken方法的具体用法？C# ILexer.AssertToken怎么用？C# ILexer.AssertToken使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ILexer的用法示例。
在下文中一共展示了ILexer.AssertToken方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Compile
public CompiledBlock Compile(ILexer lexer, EarleFile file, EarleCompileOptions options)
{
var pCode = new List<byte>();
var callLines = new Dictionary<int, int>();
var breaks = new List<int>();
var continues = new List<int>();
var usedFiles = new List<string>();
var didReturnAnyValue = false;
var multiLine = false;
var startLine = lexer.Current.Line;
if (lexer.Current.Is(TokenType.Token, "{"))
{
multiLine = true;
lexer.AssertMoveNext();
}
var requiresScope = false;
do
{
if (multiLine && lexer.Current.Is(TokenType.Token, "}"))
break;
var parserName = SyntaxGrammarProcessor.GetMatch(lexer, true);
if (parserName == null)
throw new ParseException(lexer.Current, $"Expected statement, found token `{lexer.Current.Value}`");
if (parserName == "STATEMENT_BREAK" && options.HasFlag(EarleCompileOptions.CanBreak))
{
lexer.SkipToken(TokenType.Identifier, "break");
lexer.SkipToken(TokenType.Token, ";");
breaks.Add(pCode.Count);
pCode.Add((byte) OpCode.Jump);
pCode.AddRange(ArrayUtility.Repeat((byte) 0xaa, 4));
didReturnAnyValue = false;
if (options.HasFlag(EarleCompileOptions.EnforceMultiline))
break;
}
else if (parserName == "STATEMENT_CONTINUE" && options.HasFlag(EarleCompileOptions.CanContinue))
{
lexer.SkipToken(TokenType.Identifier, "continue");
lexer.SkipToken(TokenType.Token, ";");
continues.Add(pCode.Count);
pCode.Add((byte) OpCode.Jump);
pCode.AddRange(ArrayUtility.Repeat((byte) 0xaa, 4));
didReturnAnyValue = false;
if (options.HasFlag(EarleCompileOptions.EnforceMultiline))
break;
}
else
{
IParser parser;
if (!_parsers.TryGetValue(parserName, out parser))
throw new ParseException(lexer.Current,
$"Expected statement, found {parserName.ToLower()} `{lexer.Current.Value}`");
var parseOptions = options.HasFlag(EarleCompileOptions.MustReturn)
? options ^ EarleCompileOptions.MustReturn
: options;
var block = parser.Parse(_runtime, file, lexer, parseOptions);
var startIndex = pCode.Count;
breaks.AddRange(block.Breaks.Select(b => b + pCode.Count));
foreach (var p in block.CallLines)
callLines.Add(p.Key + startIndex, p.Value);
continues.AddRange(block.Continues.Select(c => c + pCode.Count));
usedFiles.AddRange(block.ReferencedFiles.Where(f => !usedFiles.Contains(f)));
requiresScope = requiresScope || block.RequiresScope;
pCode.AddRange(block.PCode);
if (parser is ISimpleStatement)
lexer.SkipToken(TokenType.Token, ";");
didReturnAnyValue = parser is StatementReturnParser;
if (didReturnAnyValue && options.HasFlag(EarleCompileOptions.EnforceMultiline))
break;
}
if (options.HasFlag(EarleCompileOptions.EnforceMultiline) && SyntaxGrammarProcessor.MatchStartsWith(lexer, "LABEL_"))
break;
} while (options.HasFlag(EarleCompileOptions.EnforceMultiline) ||
(multiLine && !lexer.Current.Is(TokenType.Token, "}")));
if (multiLine)
{
lexer.AssertToken(TokenType.Token, "}");
lexer.MoveNext();
}
if (!didReturnAnyValue && options.HasFlag(EarleCompileOptions.MustReturn))
{
//.........这里部分代码省略.........
示例2: CompileFunction
public EarleFunction CompileFunction(ILexer lexer, EarleFile file)
{
if (lexer == null) throw new ArgumentNullException(nameof(lexer));
var name = lexer.Current.Value.ToLower();
var parameters = new List<string>();
lexer.AssertMoveNext();
lexer.SkipToken(TokenType.Token, "(");
while (!lexer.Current.Is(TokenType.Token, ")"))
{
lexer.AssertToken(TokenType.Identifier);
if (parameters.Contains(lexer.Current.Value))
throw new ParseException(lexer.Current, $"Duplicate parameter name in function \"{name}\"");
parameters.Add(lexer.Current.Value);
lexer.AssertMoveNext();
if (lexer.Current.Is(TokenType.Token, ")"))
break;
lexer.SkipToken(TokenType.Token, ",");
}
lexer.SkipToken(TokenType.Token, ")");
var lastLine = lexer.Current.Line;
var block = Compile(lexer, file, EarleCompileOptions.Method);
file.AddReferencedFiles(block.ReferencedFiles);
return new EarleFunction(file, name, parameters.ToArray(), block.PCode, block.CallLines);
}