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authorgbrandl <devnull@localhost>2006-10-19 20:27:28 +0200
committergbrandl <devnull@localhost>2006-10-19 20:27:28 +0200
commitf4d019954468db777760d21f9243eca8b852c184 (patch)
tree328b8f8fac25338306b0e7b827686dcc7597df23 /docs/src/tokens.txt
downloadpygments-f4d019954468db777760d21f9243eca8b852c184.tar.gz
[svn] Name change, round 4 (rename SVN root folder).
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+.. -*- mode: rst -*-
+
+==============
+Builtin Tokens
+==============
+
+Inside the `pygments.token` module, there is a special object called `Token` that
+is used to create token types.
+
+You can create a new token type by accessing an attribute of `Token`:
+
+.. sourcecode:: pycon
+
+ >>> from pygments.token import Token
+ >>> Token.String
+ Token.String
+ >>> Token.String is Token.String
+ True
+
+Note that tokens are singletons so you can use the ``is`` operator for comparing
+token types.
+
+In principle, you can create an unlimited number of token types but nobody can
+guarantee that a style would define style rules for a token type. Because of
+that, Pygments proposes some global token types defined in the
+`pygments.token.STANDARD_TYPES` dict.
+
+For some tokens aliases are already defined:
+
+.. sourcecode:: pycon
+
+ >>> from pygments.token import String
+ >>> String
+ Token.Literal.String
+
+Inside the `pygments.token` module the following aliases are defined:
+
+=========== =============================== ==================================
+`Text` `Token.Text` for any type of text data
+`Error` `Token.Error` represents lexer errors
+`Other` `Token.Other` special token for data not
+ matched by a parser (e.g. HTML
+ markup in PHP code)
+`Keyword` `Token.Keyword` any kind of keywords
+`Name` `Token.Name` variable/function names
+`Literal` `Token.Literal` Any literals
+`String` `Token.Literal.String` string literals
+`Number` `Token.Literal.Number` number literals
+`Operator` `Token.Operator` operators (``+``, ``not`` etc)
+`Comment` `Token.Comment` any kind of comments
+`Generic` `Token.Generic` generic tokens (have a look at
+ the explanation below)
+=========== =============================== ==================================
+
+Normally you just create token types using the already defined aliases. For each
+of those token aliases, a number of subtypes exists (excluding the special tokens
+`Token.Text`, `Token.Error` and `Token.Other`)
+
+
+Keyword Tokens
+==============
+
+`Keyword`
+ For any kind of keyword (especially if it doesn't match any of the
+ subtypes of course).
+
+`Keyword.Constant`
+ For keywords that are constants (e.g. ``None`` in future Python versions).
+
+`Keyword.Declaration`
+ For keywords used for variable declaration (e.g. ``var`` in some programming
+ languages like JavaScript).
+
+`Keyword.Pseudo`
+ For keywords that aren't really keywords (e.g. ``None`` in old Python
+ versions).
+
+`Keyword.Reserved`
+ For reserved keywords.
+
+`Keyword.Type`
+ For builtin types that can't be used as identifiers (e.g. ``int``,
+ ``char`` etc. in C).
+
+
+Name Tokens
+===========
+
+`Name`
+ For any name (variable names, function names, classes).
+
+`Name.Attribute`
+ For all attributes (e.g. in HTML tags).
+
+`Name.Builtin`
+ Builtin names; names that are available in the global namespace.
+
+`Name.Builtin.Pseudo`
+ Builtin names that are implicit (e.g. ``self`` in Ruby, ``this`` in Java).
+
+`Name.Class`
+ Class names. Because no lexer can know if a name is a class or a function
+ or something else this token is meant for class declarations.
+
+`Name.Constant`
+ Token type for constants. In some languages you can recognise a token by the
+ way it's defined (the value after a ``const`` keyword for example). In
+ other languages constants are uppercase by definition (Ruby).
+
+`Name.Decorator`
+ Token type for decorators. Decorators are synatic elements in the Python
+ language. Similar syntax elements exist in C# and Java.
+
+`Name.Entity`
+ Token type for special entities. (e.g. ``&nbsp;`` in HTML).
+
+`Name.Exception`
+ Token type for exception names (e.g. ``RuntimeError`` in Python). Some languages
+ define exceptions in the function signature (Java). You can highlight
+ the name of that exception using this token then.
+
+`Name.Function`
+ Token type for function names.
+
+`Name.Label`
+ Token type for label names (e.g. in languages that support ``goto``).
+
+`Name.Namespace`
+ Token type for namespaces. (e.g. import paths in Java/Python), names following
+ the ``module``/``namespace`` keyword in other languages.
+
+`Name.Other`
+ Other names. Normally unused.
+
+`Name.Tag`
+ Tag names (in HTML/XML markup or configuration files).
+
+`Name.Variable`
+ Token type for variables. Some languages have prefixes for variable names
+ (PHP, Ruby, Perl). You can highlight them using this token.
+
+`Name.Variable.Class`
+ same as `Name.Variable` but for class variables (also static variables).
+
+`Name.Variable.Global`
+ same as `Name.Variable` but for global variables (used in Ruby, for
+ example).
+
+`Name.Variable.Instance`
+ same as `Name.Variable` but for instance variables.
+
+
+Literals
+========
+
+`Literal`
+ For any literal (if not further defined).
+
+`Literal.Date`
+ for date literals (e.g. ``42d`` in Boo).
+
+
+`String`
+ For any string literal.
+
+`String.Backtick`
+ Token type for strings enclosed in backticks.
+
+`String.Char`
+ Token type for single characters (e.g. Java, C).
+
+`String.Doc`
+ Token type for documentation strings (for example Python).
+
+`String.Double`
+ Double quoted strings.
+
+`String.Escape`
+ Token type for escape sequences in strings.
+
+`String.Heredoc`
+ Token type for "heredoc" strings (e.g. in Ruby or Perl).
+
+`String.Interpol`
+ Token type for interpolated parts in strings (e.g. ``#{foo}`` in Ruby).
+
+`String.Other`
+ Token type for any other strings (for example ``%q{foo}`` string constructs
+ in Ruby).
+
+`String.Regex`
+ Token type for regular expression literals (e.g. ``/foo/`` in JavaScript).
+
+`String.Single`
+ Token type for single quoted strings.
+
+`String.Symbol`
+ Token type for symbols (e.g. ``:foo`` in LISP or Ruby).
+
+
+`Number`
+ Token type for any number literal.
+
+`Number.Float`
+ Token type for float literals (e.g. ``42.0``).
+
+`Number.Hex`
+ Token type for hexadecimal number literals (e.g. ``0xdeadbeef``).
+
+`Number.Integer`
+ Token type for integer literals (e.g. ``42``).
+
+`Number.Integer.Long`
+ Token type for long integer literals (e.g. ``42L`` in Python).
+
+`Number.Oct`
+ Token type for octal literals.
+
+
+Operators
+=========
+
+`Operator`
+ For any punctuation operator (e.g. ``+``, ``-``).
+
+`Operator.Word`
+ For any operator that is a word (e.g. ``not``).
+
+
+Comments
+========
+
+`Comment`
+ Token type for any comment.
+
+`Comment.Multiline`
+ Token type for multiline comments.
+
+`Comment.Preproc`
+ Token type for preprocessor comments (also ``<?php``/``<%`` constructs).
+
+`Comment.Single`
+ Token type for comments that end at the end of a line (e.g. ``# foo``).
+
+
+Generic Tokens
+==============
+
+Generic tokens are for special lexers like the `DiffLexer` that doesn't really
+highlight a programming language but a patch file.
+
+
+`Generic`
+ A generic, unstyled token. Normally you don't use this token type.
+
+`Generic.Deleted`
+ Marks the token value as deleted.
+
+`Generic.Emph`
+ Marks the token value as emphasized.
+
+`Generic.Error`
+ Marks the token value as an error message.
+
+`Generic.Heading`
+ Marks the token value as headline.
+
+`Generic.Inserted`
+ Marks the token value as inserted.
+
+`Generic.Output`
+ Marks the token value as program output (e.g. for python cli lexer).
+
+`Generic.Prompt`
+ Marks the token value as command prompt (e.g. bash lexer).
+
+`Generic.Strong`
+ Marks the token value as bold (e.g. for rst lexer).
+
+`Generic.Subheading`
+ Marks the token value as subheadline.
+
+`Generic.Traceback`
+ Marks the token value as a part of an error traceback.