la.la

Class Syntax

java.lang.Object

la.la.Syntax

public class Syntax
extends java.lang.Object

The parser, also see Lexical and Expression.

Field Summary

Fields

Modifier and Type	Field and Description
static int	applicPriority
static long	arithOprs
static long	binOprs
static long	comparisonOprs
static long	logicOprs
static int[]	oprPriority
static long	rightAssoc
static long	startsExp
static long	unOprs

Constructor Summary

Constructors

Constructor and Description
Syntax(Lexical lex) Construct a Syntax analyser of a given Lexical source.

Method Summary

Modifier and Type	Method and Description
void	error(java.lang.String msg) Print an error message, msg, and stop.
Expression	exp()
static void	main(java.lang.String[] argv) 'main' allows Syntax to be tested on its own, for example, java ...Syntax < someFPsourceFile

Methods inherited from class java.lang.Object

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

Field Detail

applicPriority

public static final int applicPriority

See Also:

Constant Field Values

arithOprs

public static final long arithOprs

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Constant Field Values

logicOprs

public static final long logicOprs

See Also:

Constant Field Values

comparisonOprs

public static final long comparisonOprs

See Also:

Constant Field Values

unOprs

public static final long unOprs

See Also:

Constant Field Values

binOprs

public static final long binOprs

See Also:

Constant Field Values

rightAssoc

public static final long rightAssoc

See Also:

Constant Field Values

startsExp

public static final long startsExp

See Also:

Constant Field Values

oprPriority

public static final int[] oprPriority

Constructor Detail

Syntax

public Syntax(Lexical lex)

Construct a Syntax analyser of a given Lexical source.

Method Detail

exp

public Expression exp()

error

public void error(java.lang.String msg)

Print an error message, msg, and stop.

main

public static void main(java.lang.String[] argv)

'main' allows Syntax to be tested on its own, for example, java ...Syntax < someFPsourceFile