/// <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();
}
/// <summary>
/// Analyzes code and creates token and identifier tables
/// </summary>
/// <param name="path">file to analize</param>
public TokenTable analyze(String path, out IdentifiersTable ident)
{
text = File.ReadAllText(path);
// analyzing by each character
for (i = 0; i < text.Length; i++)
{
next = Convert.ToString(text[i]);
// space symbol behavior
if (SyntaxTable.isSpaceSymbol(next))
{
processCurrent();
continue;
}
// number check
if (SyntaxTable.isNumber(current))
{
if (SyntaxTable.isNumber(current + next))
{
current += next;
continue;
}
else
{
processCurrent();
current = next;
continue;
}
}
// operator behavior
if (SyntaxTable.isOperation(next) > -1)
{
// complex operation behavior
if (!SyntaxTable.isOperationAllowed(current + next))
{
processCurrent();
current = next;
continue;
}
else
{
current += next;
continue;
}
}
// check if symbol is valid
if (!SyntaxTable.isSymbolAllowed(Convert.ToChar(next)))
{
error(i);
ident = null;
return(null);
}
// check for preceding operator
if (current.Length == 1 &&
(SyntaxTable.isOperation(Convert.ToString(current[0])) > -1))
{
processCurrent();
current = next;
continue;
}
current += next;
}
if (current != "")
{
processCurrent();
}
ident = table;
Console.WriteLine("Lexical analysis complete.");
return(token);
}
/// <summary>
/// Analyzes code and creates token and identifier tables
/// </summary>
/// <param name="path">file to analize</param>
public TokenTable analyze(String path, out IdentifiersTable ident)
{
text = File.ReadAllText(path);
// analyzing by each character
for (i = 0; i < text.Length; i++)
{
next = Convert.ToString(text[i]);
// space symbol behavior
if (SyntaxTable.isSpaceSymbol(next))
{
processCurrent();
continue;
}
// number check
if (SyntaxTable.isNumber(current))
{
if (SyntaxTable.isNumber(current + next))
{
current += next;
continue;
}
else
{
processCurrent();
current = next;
continue;
}
}
// operator behavior
if (SyntaxTable.isOperation(next) > -1)
{
// complex operation behavior
if (!SyntaxTable.isOperationAllowed(current + next))
{
processCurrent();
current = next;
continue;
}
else
{
current += next;
continue;
}
}
// check if symbol is valid
if (!SyntaxTable.isSymbolAllowed(Convert.ToChar(next)))
{
error(i);
ident = null;
return null;
}
// check for preceding operator
if (current.Length == 1 &&
(SyntaxTable.isOperation(Convert.ToString(current[0])) > -1))
{
processCurrent();
current = next;
continue;
}
current += next;
}
if (current != "") processCurrent();
ident = table;
Console.WriteLine("Lexical analysis complete.");
return token;
}
