// Python
(

/****************************************************************************/
// MARK: Python keywords
/****************************************************************************/

    {
        Identifier = "xcode.lang.prolog.identifier";
        Syntax = {
            StartChars = "abcdefghijklmnopqrstuvwxyz";
            Chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_";
            Words = (
                "and",
                "as",
                "assert",
                "break",
                "class",
                "continue",
                "def",
                "del",
                "elif",
                "else",
                "except",
                "exec",
                "finally",
                "for",
                "from",
                "global",
                "if",
                "import",
                "in",
                "is",
                "lambda",
                "not",
                "or",
                "pass",
                "print",
                "raise",
                "return",
                "try",
                "while",
                "with",
                "yield",
                "None",
             );
            Type = "xcode.syntax.keyword";
            AltType = "xcode.syntax.identifier";    // non-keywords are identifiers
        };
    },


/****************************************************************************/
// MARK: Python Syntax Coloring
/****************************************************************************/

    {
        Identifier = "xcode.lang.python";
        Description = "Python Coloring";
        BasedOn = "xcode.lang.simpleColoring";
        IncludeInMenu = YES;
        Name = "Prolog";
        Syntax = {
            Tokenizer = "xcode.lang.prolog.lexer";
            IncludeRules = (
                "xcode.lang.prolog.fact",
                "xcode.lang.prolog.rule",
                "xcode.lang.prolog.dcg",
                "xcode.lang.prolog.directive",
            );
            Type = "xcode.syntax.plain";
            DirtyPreviousRightEdge = YES;
        };
    },

    {
        Identifier = "xcode.lang.[prolog].lexer";
        Syntax = {
            SourceScannerClassName = "XCPrologner";			// does the magical indentation parsing
            IncludeRules = (
                "xcode.lang.comment.singleline.percent",
                "xcode.lang.python.string.backquote",
                "xcode.lang.python.string.singlequote",
                "xcode.lang.string",
                "xcode.lang.character",
                "xcode.lang.number",
                "xcode.lang.prolog.identifier",
                "xcode.lang.prolog.constant",
            );
            Type = "xcode.syntax.plain";
        };
    },

    // declare "fake" tokens for XCPrologScanner to return
    {
        Identifier = "xcode.lang.prolog.indent";
        Syntax = {
            Type = "xcode.syntax.plain";
        };
    },
    {
        Identifier = "xcode.lang.prolog.dedent";
        Syntax = {
            Type = "xcode.syntax.plain";
        };
    },

    {
        // ignores indentation
        Identifier = "xcode.lang.prolog.lexer.simple";
        Syntax = {
            IncludeRules = (
                "xcode.lang.comment.singleline.pound",
                "xcode.lang.python.string.tripledoublequote",
                "xcode.lang.python.string.triplesinglequote",
                "xcode.lang.string",
                "xcode.lang.character",
                "xcode.lang.number",
                "xcode.lang.python.identifier",
            );
            Type = "xcode.syntax.plain";
        };
    },

    {
        Identifier = "xcode.lang.python.class";
        Syntax = {
            Tokenizer = "xcode.lang.python.lexer";
            Rules = (
                "xcode.lang.python.class.declarator",
                "xcode.lang.python.block",
            );
            Type = "xcode.syntax.definition.class";
        };
    },
    {
        Identifier = "xcode.lang.python.class.declarator";
        Syntax = {
            Tokenizer = "xcode.lang.python.lexer";
            Rules = (
                "class",
                "xcode.lang.python.name",
                "xcode.lang.python.parenexpr?",
                ":",
            );
        };
    },

    {
        Identifier = "xcode.lang.python.function";
        Syntax = {
            Tokenizer = "xcode.lang.python.lexer";
            Rules = (
                "xcode.lang.python.function.declarator",
                "xcode.lang.python.block",
            );
            Type = "xcode.syntax.definition.function";
        };
    },
    {
        Identifier = "xcode.lang.python.function.declarator";
        Syntax = {
            Tokenizer = "xcode.lang.python.lexer";
            Rules = (
                "def",
                "xcode.lang.python.name",
                "xcode.lang.python.parenexpr",
                ":",
            );
        };
    },

    {
        Identifier = "xcode.lang.python.block";
        Syntax = {
            Tokenizer = "xcode.lang.python.lexer";
            Start = "xcode.lang.python.indent";
            End = "xcode.lang.python.dedent";
            Foldable = YES;
            Recursive = YES;
            IncludeRules = (
                "xcode.lang.python.class",
                "xcode.lang.python.function",
                "xcode.lang.python.bracketexpr",
                "xcode.lang.python.parenexpr",
            );
        };
    },

    {
        Identifier = "xcode.lang.prolog.name";
        Syntax = {
            StartChars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEF";
             Chars = "0123456789abcdefABCDEF";
              Type = "xcode.syntax.name.partial";
        };
    },

    {
        Identifier = "xcode.lang.python.string.backquote";
        Syntax = {
            Start = "`";
            End = "`";
            Foldable = YES;
            Type = "xcode.syntax.string";
        };
    },

    {
        Identifier = "xcode.lang.prolog.string.singlequote";
        Syntax = {
            Start = "'";
            EscapeChar = "\'";
            End = "'";
            Foldable = YES;
            Type = "xcode.syntax.string";
        };
    },

    {
        Identifier = "xcode.lang.prolog.parenexpr";
        Syntax = {
            Tokenizer = "xcode.lang.prolog.lexer.simple";
            Start = "(";
            End = ")";
            Recursive = YES;
            IncludeRules = (
                "xcode.lang.prolog.bracketexpr",
                "xcode.lang.prolog.curlybracketexpr",
            );
        };
    },

    {
        Identifier = "xcode.lang.prolog.bracketexpr";
        Syntax = {
            Tokenizer = "xcode.lang.prolog.lexer.simple";
            Start = "[";
            End = "]";
            Recursive = YES;
            IncludeRules = (
                "xcode.lang.prolog.parenexpr",
                "xcode.lang.prolog.curlybracketexpr",
            );
        };
    },

{
    Identifier = "xcode.lang.prolog.curlybracketexpr";
    Syntax = {
        Tokenizer = "xcode.lang.prolog.lexer.simple";
        Start = "{";
        End = "}";
        Recursive = YES;
        IncludeRules = (
            "xcode.lang.prolog.parenexpr",
            "xcode.lang.prolog.bracketexpr",
        );
    };
},
)