File gps/Lexer

class gps.Lexer

Inherits

Behaviour supers

tom.All

instance gps.Lexer

Inherits

Behaviour supers

tom.All

methods

deferred int
  current_line;

Return the current line at which this lexer is reading.

deferred tom.String
  filename;

Return the name of the file being read.

deferred Parser
  parser;

Return the Parser (currently) being fed by this lexer.

deferred int
  nextToken;

Read and return another token from the input.

deferred _builtin_.Any
  semantics;

Return the semantic meaning of the current token, in any way the sender wants.

deferred void
  set_parser Parser parser;

Set the current parser. This is the parser that will be returned by the parser method.

deferred int
  token;

Return the current token.

class gps.SkeletonLexer

Inherits

State supers

Lexer, tom.State, tom.Conditions

instance gps.SkeletonLexer

variables

public Parser parser;

The parser which we're feeding.

public int current_line;

The current line number.

public tom.String filename;

The filename, at least what we think it is.

public int token;

The current token.

tom.All semantics;

The semantic content of the current token.

methods

id
  initWithFilename tom.String name
             line: int start_line = 1;

Designated initializer.

_builtin_.Any
  semantics;

Return the semantics any way the sender wants.

void
  set_parser Parser p
pre
  !parser;

Undocumented.