/// <summary>
/// Gets token and identifier tables from lexical analyzer.
/// </summary>
/// <param name="token">Token table.</param>
/// <param name="ident">Identifiers table.</param>
public SyntaxAnalyzer(TokenTable token, IdentifiersTable ident, LexicalAnalyzer lAnalyzer)
{
this.token = token;
this.ident = ident;
this.lAnalyzer = lAnalyzer;
count = this.token.tokensCount();
}
static void Main(string[] args)
{
LexicalAnalyzer lexicalAnalyzer = new LexicalAnalyzer();
IdentifiersTable ident;
TokenTable table = lexicalAnalyzer.analyze("Input5.txt", out ident);
lexicalAnalyzer.printResults("Tokens.txt");
SyntaxAnalyzer syntaxAnalyzer = new SyntaxAnalyzer(table, ident, lexicalAnalyzer);
syntaxAnalyzer.analyze();
SyntaxTree tree = syntaxAnalyzer.getTree();
tree.printItselfToTheFile("Tree.txt");
SemanticAnalyzer semanticAnalyzer = new SemanticAnalyzer(tree);
semanticAnalyzer.analyze();
Generator generator = new Generator();
generator.generateExe(tree);
Console.ReadLine();
}
public static void Main(string[] args)
{
//some text to lex
StringBuilder sb = new StringBuilder();
AppendLine("for in while //this is a comment", sb);
AppendLine(" ", sb);
AppendLine("/*", sb);
AppendLine("multi", sb);
AppendLine("line", sb);
AppendLine("comment", sb);
AppendLine("*/", sb);
AppendLine("fofds \"afdsafd\" whdsafdsa", sb);
//let's turn the text into a list of char/int pairs
IList <CharIntPair> cips = new List <CharIntPair> ();
int i = 0;
foreach (char c in sb.ToString())
{
cips.Add(new CharIntPair(c, i));
++i;
}
//to lex, we need a list of token types
IList <TokenType <CharIntPairLexerAdapter> > types =
new List <TokenType <CharIntPairLexerAdapter> >();
//add a token type for a stretch of whitespace
types.Add(new TokenType <CharIntPairLexerAdapter>(
WhitespaceRecognizer(), delegate(IList <CharIntPairLexerAdapter> ciplas) {
//add up numbers associated with objects
int sum = 0;
foreach (CharIntPairLexerAdapter cipla in ciplas)
{
sum += cipla.cip.i;
}
Console.WriteLine("Got " + ciplas.Count + " chars of whitespace with sum " + sum);
}
));
//add some keywords
types.Add(new TokenType <CharIntPairLexerAdapter>(
FSM.ForConstantStringPattern("for").AsRecognizerFSA(), delegate(IList <CharIntPairLexerAdapter> ciplas) {
Console.WriteLine("Got for at index " + ciplas[0].cip.i);
}
));
types.Add(new TokenType <CharIntPairLexerAdapter>(
FSM.ForConstantStringPattern("in").AsRecognizerFSA(), delegate(IList <CharIntPairLexerAdapter> ciplas) {
Console.WriteLine("Got in at index " + ciplas[0].cip.i);
}
));
types.Add(new TokenType <CharIntPairLexerAdapter> (
FSM.ForConstantStringPattern("while").AsRecognizerFSA(), delegate(IList <CharIntPairLexerAdapter> ciplas) {
Console.WriteLine("Got while at index " + ciplas [0].cip.i);
}
));
//add a token type for a single line comment
types.Add(new TokenType <CharIntPairLexerAdapter>(
QuotePatternRecognizer("//", System.Environment.NewLine), delegate(IList <CharIntPairLexerAdapter> ciplas) {
StringBuilder sb2 = new StringBuilder();
foreach (CharIntPairLexerAdapter cipla in ciplas)
{
sb2.Append(cipla.cip.c);
}
Console.WriteLine("Got single line comment:");
Console.Write(sb2.ToString());
}
));
//add a token type for a multiline comment
types.Add(new TokenType <CharIntPairLexerAdapter>(
QuotePatternRecognizer("/*", "*/"), delegate(IList <CharIntPairLexerAdapter> ciplas) {
StringBuilder sb2 = new StringBuilder();
foreach (CharIntPairLexerAdapter cipla in ciplas)
{
sb2.Append(cipla.cip.c);
}
Console.WriteLine("Got multiline comment:");
Console.WriteLine(sb2.ToString());
}
));
//add a token type for a string literal
types.Add(new TokenType <CharIntPairLexerAdapter>(
QuotePatternRecognizer("\"", "\""), delegate(IList <CharIntPairLexerAdapter> ciplas) {
StringBuilder sb2 = new StringBuilder();
foreach (CharIntPairLexerAdapter cipla in ciplas)
{
sb2.Append(cipla.cip.c);
}
Console.WriteLine("Got string literal:");
Console.WriteLine(sb2.ToString());
}
));
LexicalAnalyzer <CharIntPairLexerAdapter> lexer = new LexicalAnalyzer <CharIntPairLexerAdapter>(
types,
delegate(CharIntPairLexerAdapter cipla) {
Console.WriteLine("Got unhandlable char " + cipla.cip.c + " with number " + cipla.cip.i);
}
);
foreach (CharIntPair cip in cips)
{
lexer.ProcessItem(new CharIntPairLexerAdapter(cip));
}
lexer.ProcessEOF();
}
