orc.parser
Class OrcParser

java.lang.Object
  orc.parser.OrcParser

public class OrcParser
extends java.lang.Object

Interface to the parser. This isolates other code from the underlying parser technology.

Author:

quark

Constructor Summary

OrcParser(java.io.Reader reader)

OrcParser(java.io.Reader reader, java.lang.String filename)
If you know the filename, it can be used to improve parse error messages.

Method Summary

static void	main(java.lang.String[] args) For testing purposes; parses a program from stdin or a file given as an argument, and prints the parsed program.
java.lang.Object	parseLiteralValue() Parse the input as a literal value.
java.util.List<Declaration>	parseModule() Parse the input as a module (declarations only).
Expression	parseProgram() Parse the input as a complete program (declarations plus goal expression).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OrcParser

public OrcParser(java.io.Reader reader)

OrcParser

public OrcParser(java.io.Reader reader,
                 java.lang.String filename)

If you know the filename, it can be used to improve parse error messages.

Method Detail

parseLiteralValue

public java.lang.Object parseLiteralValue()
                                   throws ParsingException,
                                          java.io.IOException

Parse the input as a literal value. This is used by Read.

Throws:

ParsingException

java.io.IOException

parseProgram

public Expression parseProgram()
                        throws ParsingException,
                               java.io.IOException

Parse the input as a complete program (declarations plus goal expression).

Throws:

ParsingException

java.io.IOException

parseModule

public java.util.List<Declaration> parseModule()
                                        throws ParsingException,
                                               java.io.IOException

Parse the input as a module (declarations only).

Throws:

ParsingException

java.io.IOException

main

public static void main(java.lang.String[] args)
                 throws java.io.IOException,
                        ParsingException

For testing purposes; parses a program from stdin or a file given as an argument, and prints the parsed program.

Throws:

java.io.IOException

ParsingException