SourceFileReader

java.lang.Object

simula.compiler.parsing.SourceFileReader

public final class SourceFileReader extends Object

Utility class SourceFileReader.

Input Utilities for the Simula Scanner.

Link to GitHub: Source File.

Author:: Øystein Myhre Andersen

Field Summary

Fields

Modifier and Type

Field

Description

private Reader

current

The current Reader

private final Stack<Integer>

lineStack

The stack of line numbers

private final Stack<String>

nameStack

The stack of file names

private final Stack<Reader>

stack

The stack of readers
Constructor Summary

Constructors

Constructor

Description

SourceFileReader(Reader reader)

Create a new SourceFileReader.
Method Summary

Modifier and Type

Method

Description

(package private) void

close()

Close this source file reader

(package private) void

forceEOF()

Force EOF on the current underlying reader.

(package private) void

insert(File file)

Insert a file.

(package private) int

read()

Read next character.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- stack
  
  private final Stack<Reader> stack
  
  The stack of readers
- current
  
  private Reader current
  
  The current Reader
- nameStack
  
  private final Stack<String> nameStack
  
  The stack of file names
- lineStack
  
  private final Stack<Integer> lineStack
  
  The stack of line numbers
Constructor Details
- SourceFileReader
  
  SourceFileReader(Reader reader)
  
  Create a new SourceFileReader.
  
  Parameters:
  
  reader - the initial underlying Reader
Method Details
- read
  
  int read()
  
  Read next character.
  
  Returns:
  
  next character
- insert
  
  void insert(File file)
  
  Insert a file.
  
  Parameters:
  
  file - the file to be inserted
- forceEOF
  
  void forceEOF()
  
  Force EOF on the current underlying reader.
- close
  
  void close()
  
  Close this source file reader