//=========================================================================================
internal override ScannerSpecification CreateScannerSpecification()
{
var oSpec = new ScannerSpecification();
oSpec.AddLiteral("letter", CharType.Letters, '_');
oSpec.AddLiteral("digit", CharType.Numbers);
oSpec.AddLiteral("lt", '<');
oSpec.AddLiteral("gt", '>');
oSpec.AddLiteral("sqBr1", '[');
oSpec.AddLiteral("sqBr2", ']');
oSpec.AddLiteral("slash", '/');
oSpec.AddLiteral("quest", '?');
oSpec.AddLiteral("excl", '!');
oSpec.AddLiteral("minus", '-');
oSpec.AddLiteral("eq", '=');
oSpec.AddLiteral("doubleQuote", '"');
oSpec.AddLiteral("c", 'C');
oSpec.AddLiteral("d", 'D');
oSpec.AddLiteral("a", 'A');
oSpec.AddLiteral("t", 'T');
oSpec.AddTokenDeclaration("id", "letter{letter|digit}");
oSpec.AddTokenDeclaration("lt", "lt[slash|quest]");
oSpec.AddTokenDeclaration("gt", "[slash|quest]gt");
oSpec.AddTokenDeclaration("eq", "eq");
oSpec.AddBoundedToken("attrValue", "doubleQuote", "doubleQuote", null, 1, 1);
oSpec.AddBoundedToken("comment", "lt excl minus minus", "minus minus gt", null, 4, 3);
oSpec.AddBoundedToken("cdata", "lt excl sqBr1 c d a t a sqBr1", "sqBr2 sqBr2 gt", null, 9, 3);
return oSpec;
}
//=========================================================================================
internal override ScannerSpecification CreateScannerSpecification()
{
var oSpec = new ScannerSpecification();
oSpec.AddLiteral("l", CharType.Letters, '_', '@');
oSpec.AddLiteral("d", CharType.Numbers);
oSpec.AddLiteral("minus", '-');
oSpec.AddLiteral("asterisk", '*');
oSpec.AddLiteral("slash", '/');
oSpec.AddLiteral("poundkey", '#');
oSpec.AddLiteral("operators", '=', '>', '<', ';', ',', '.', '+', ')', '(', '|', '&');
oSpec.AddLiteral("n", 'N', 'n');
oSpec.AddLiteral("singleQuote", '\'');
oSpec.AddLiteral("doubleQuote", '"');
oSpec.AddLiteral("caretReturn", '\n');
oSpec.AddLiteral("tilda", '`');
oSpec.AddTokenDeclaration("id", "(n|l){l|d}");
oSpec.AddTokenDeclaration("number", "d{d}");
oSpec.AddTokenDeclaration("operator", "(operators|minus)"); // |asterisk
oSpec.AddBoundedToken("stringConst", "singleQuote", "singleQuote", "singleQuote");
oSpec.AddBoundedToken("stringConst", "n singleQuote", "singleQuote", "singleQuote");
oSpec.AddBoundedToken("stringConst", "doubleQuote", "doubleQuote", "doubleQuote");
oSpec.AddBoundedToken("comment1", "slash asterisk", "asterisk slash", null);
oSpec.AddBoundedToken("comment2", "minus minus", "caretReturn", null);
oSpec.AddBoundedToken("comment3", "poundkey", "caretReturn", null);
oSpec.AddBoundedToken("quotedId", "tilda", "tilda", "tilda");
return oSpec;
}
public void MultiLineTokens()
{
ScannerSpecification oSpec = new ScannerSpecification();
oSpec.AddLiteral("l", CharType.Letters, '_');
oSpec.AddLiteral("d", CharType.Numbers);
oSpec.AddLiteral("br1", '[');
oSpec.AddLiteral("br2", ']');
oSpec.AddTokenDeclaration("id", "l{l|d}");
oSpec.AddBoundedToken("id2", "br1", "br2", null);
StateParser oStateParser = new StateParser(new StateScanner(oSpec, 4));
oStateParser.Spec.AddRule("id", "id|id2");
{
oStateParser.SetSource(
@"select [
x int] from x
");
this.ReadAndAssertToken(oStateParser, "id", "select");
this.ReadAndAssertToken(oStateParser, "id2", "[");
this.ReadAndAssertToken(oStateParser, "id2", " x int]");
}
}
//=========================================================================================
internal override ScannerSpecification CreateScannerSpecification()
{
var oSpec = new ScannerSpecification();
oSpec.AddLiteral("any", CharType.AnyNonSpaces);
oSpec.AddTokenDeclaration("all", "any{any}");
return oSpec;
}
//=========================================================================================
internal override ScannerSpecification CreateScannerSpecification()
{
var oSpec = new ScannerSpecification();
oSpec.AddLiteral("l", CharType.Letters, '_');
oSpec.AddLiteral("d", CharType.Numbers);
oSpec.AddLiteral("minus", '-');
oSpec.AddLiteral("asterisk", '*');
oSpec.AddLiteral("slash", '/');
oSpec.AddLiteral("backSlash", '\\');
oSpec.AddLiteral("operators", '=', '>', '<', ';', ',', '.', '+', ')', '(', '|', '&');
oSpec.AddLiteral("singleQuote", '\'');
oSpec.AddLiteral("doubleQuote", '"');
oSpec.AddLiteral("caretReturn", '\n');
oSpec.AddTokenDeclaration("id", "l{l|d}");
oSpec.AddTokenDeclaration("number", "d{d}");
oSpec.AddTokenDeclaration("operator", "(operators|minus)");
oSpec.AddBoundedToken("charConst", "singleQuote", "singleQuote", "backSlash");
oSpec.AddBoundedToken("comment1", "slash asterisk", "asterisk slash", null);
oSpec.AddBoundedToken("comment2", "slash slash", "caretReturn", null);
oSpec.AddBoundedToken("stringConst", "doubleQuote", "doubleQuote", "backSlash");
return oSpec;
}
public void VariablesAssignment()
{
ScannerSpecification oSpec = new ScannerSpecification();
oSpec.AddLiteral("l", CharType.Letters, '_');
oSpec.AddLiteral("d", CharType.Numbers);
oSpec.AddLiteral("x", '=', ';');
oSpec.AddTokenDeclaration("id", "l{l|d}");
oSpec.AddTokenDeclaration("number", "d{d}");
oSpec.AddTokenDeclaration("sep", "x");
StateParser oStateParser = new StateParser(new StateScanner(oSpec, 4));
oStateParser.Spec.AddRule("Tag", "id sep number sep");
{
oStateParser.SetSource("sText=10;");
this.ReadAndAssertToken(oStateParser, "id", "sText");
this.ReadAndAssertToken(oStateParser, "sep", "=");
this.ReadAndAssertToken(oStateParser, "number", "10");
this.ReadAndAssertToken(oStateParser, "sep", ";");
var oToken = oStateParser.GetNextToken();
Assert.IsNull(oToken);
}
}