antlr3lexer (3) - Linux Man Pages
Base interface for any ANTLR3 lexer.
An ANLTR3 lexer builds from two sets of components:
- The runtime components that provide common functionality such as traversing character streams, building tokens for output and so on.
- The generated rules and struutre of the actual lexer, which call upon the runtime components.
A lexer class contains a character input stream, a base recognizer interface (which it will normally implement) and a token source interface (which it also implements. The Tokensource interface is called by a token consumer (such as a parser, but in theory it can be anything that wants a set of abstract tokens in place of a raw character stream.
So then, we set up a lexer in a sequence akin to:
- Create a character stream (something which implements ANTLR3_INPUT_STREAM) and initialize it.
- Create a lexer interface and tell it where it its input stream is. This will cause the creation of a base recognizer class, which it will override with its own implementations of some methods. The lexer creator can also then in turn override anything it likes.
- The lexer token source interface is then passed to some interface that knows how to use it, byte calling for a next token.
- When a next token is called, let ze lexing begin.
#define ANTLR3_STRING_TERMINATOR 0xFFFFFFFF
typedef struct ANTLR3_LEXER_struct
Generated automatically by Doxygen for ANTLR3C from the source code.