cager.jexpr
Class JExpr

java.lang.Object
  cager.jexpr.JExpr

All Implemented Interfaces:

JExprConstants

public class JExpr

extends java.lang.Object

implements JExprConstants

JExpr - a parser for a very small subset of Java.

Version:

2

Author:

Paul Cager.

Field Summary

Token	jj_nt
boolean	lookingAhead
Token	token
JExprTokenManager	token_source

Fields inherited from interface cager.jexpr.JExprConstants

_DEFAULT, ABSTRACT, ANDASSIGN, ASSIGN, BANG, BIT_AND, BIT_OR, BOOLEAN, BREAK, BYTE, CASE, CATCH, CHAR, CHARACTER_LITERAL, CLASS, COLON, COMMA, CONST, CONTINUE, DECIMAL_LITERAL, DECR, DEFAULT, DIGIT, DO, DOT, DOUBLE, ELSE, EOF, EQ, EXPONENT, EXTENDS, FALSE, FINAL, FINALLY, FLOAT, FLOATING_POINT_LITERAL, FOR, FORMAL_COMMENT, GE, GOTO, GT, HEX_LITERAL, HOOK, IDENTIFIER, IF, IMPLEMENTS, IMPORT, IN_FORMAL_COMMENT, IN_MULTI_LINE_COMMENT, IN_SINGLE_LINE_COMMENT, INCR, INSTANCEOF, INT, INTEGER_LITERAL, INTERFACE, LBRACE, LBRACKET, LE, LETTER, LONG, LPAREN, LSHIFT, LSHIFTASSIGN, LT, MINUS, MINUSASSIGN, MULTI_LINE_COMMENT, NATIVE, NE, NEW, NULL, OCTAL_LITERAL, ORASSIGN, PACKAGE, PLUS, PLUSASSIGN, PRIVATE, PROTECTED, PUBLIC, RBRACE, RBRACKET, REM, REMASSIGN, RETURN, RPAREN, RSIGNEDSHIFT, RSIGNEDSHIFTASSIGN, RUNSIGNEDSHIFT, RUNSIGNEDSHIFTASSIGN, SC_AND, SC_OR, SEMICOLON, SHORT, SINGLE_LINE_COMMENT, SLASH, SLASHASSIGN, STAR, STARASSIGN, STATIC, STRICTFP, STRING_LITERAL, SUPER, SWITCH, SYNCHRONIZED, THIS, THROW, THROWS, TILDE, tokenImage, TRANSIENT, TRUE, TRY, VOID, VOLATILE, WHILE, XOR, XORASSIGN

Constructor Summary

JExpr(java.io.InputStream stream)

JExpr(JExprTokenManager tm)

JExpr(java.io.Reader stream)

Method Summary

Expression	AdditiveExpression()
Expression	AllocationExpression()
Expression	AndExpression()
ArgumentList	ArgumentList()
ArgumentList	Arguments()
void	ArrayDimsAndInits()
void	ArrayInitializer()
void	AssignmentOperator()
Block	Block()
Statement	BlockStatement()
Expression	BooleanLiteral()
void	BreakStatement()
Expression	CastExpression()
void	CastLookahead()
void	ClassBody()
void	ClassBodyDeclaration()
ClassDeclaration	ClassDeclaration()
CompilationUnit	CompilationUnit() The CompilationUnit production is the top-level production.
Expression	ConditionalAndExpression()
Expression	ConditionalExpression()
Expression	ConditionalOrExpression()
void	ConstructorDeclaration() Not implemented.
void	ContinueStatement()
void	disable_tracing()
void	DoStatement()
void	EmptyStatement()
void	enable_tracing()
Expression	EqualityExpression()
Expression	ExclusiveOrExpression()
void	ExplicitConstructorInvocation() Not implemented.
Expression	Expression() Parse an expression returning an AST representing that expression.
void	FieldDeclaration() Not implemented.
void	ForInit()
FormalParameter	FormalParameter()
FormalParameters	FormalParameters()
void	ForStatement()
void	ForUpdate()
ParseException	generateParseException()
Token	getNextToken()
Token	getToken(int index)
IfStatement	IfStatement()
void	ImportDeclaration() Not implemented.
Expression	InclusiveOrExpression()
void	Initializer() Not implemented.
Expression	InstanceOfExpression()
void	InterfaceDeclaration() Not implemented.
void	InterfaceMemberDeclaration()
void	LabeledStatement()
Expression	Literal()
void	LocalVariableDeclaration()
static void	main(java.lang.String[] args)
MethodDeclaration	MethodDeclaration()
void	MethodDeclarationLookahead() This production is to determine lookahead only.
Expression	MultiplicativeExpression()
java.lang.String	Name() Parse a (qualified) Name such as a.b.c
void	NameList()
void	NestedClassDeclaration()
void	NestedInterfaceDeclaration()
Expression	NullLiteral()
java.lang.String	PackageDeclaration() A package declaration.
Expression	PostfixExpression()
Expression	PreDecrementExpression()
Expression	PreIncrementExpression()
Expression	PrimaryExpression()
void	PrimaryPrefix(PrimaryExpression pe)
void	PrimarySuffix(PrimaryExpression pe)
org.apache.bcel.generic.Type	PrimitiveType()
void	ReInit(java.io.InputStream stream)
void	ReInit(JExprTokenManager tm)
void	ReInit(java.io.Reader stream)
Expression	RelationalExpression()
org.apache.bcel.generic.Type	ResultType() A ResultType is either "void" or a Type.
ReturnStatement	ReturnStatement()
Expression	ShiftExpression()
Statement	Statement()
void	StatementExpression()
void	StatementExpressionList()
void	SwitchLabel()
void	SwitchStatement()
void	SynchronizedStatement()
void	ThrowStatement()
void	TryStatement()
org.apache.bcel.generic.Type	Type() Parse a "Type", which may be a primitive Type, a class name or an array (arrays not implemented).
void	TypeDeclaration()
org.apache.bcel.generic.Type	TypeName()
Expression	UnaryExpression()
Expression	UnaryExpressionNotPlusMinus()
void	UnmodifiedClassDeclaration()
void	UnmodifiedInterfaceDeclaration()
void	VariableDeclarator()
java.lang.String	VariableDeclaratorId()
void	VariableInitializer()
void	WhileStatement()

Methods inherited from class java.lang.Object

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

Field Detail

token_source

public JExprTokenManager token_source

token

public Token token

jj_nt

public Token jj_nt

lookingAhead

public boolean lookingAhead

Constructor Detail

JExpr

public JExpr(java.io.InputStream stream)

JExpr

public JExpr(java.io.Reader stream)

JExpr

public JExpr(JExprTokenManager tm)

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Throwable

Throws:

java.lang.Throwable

CompilationUnit

public final CompilationUnit CompilationUnit()
                                      throws ParseException

The CompilationUnit production is the top-level production.

Throws:

ParseException

PackageDeclaration

public final java.lang.String PackageDeclaration()
                                          throws ParseException

A package declaration.

Returns:

A string of the form "name1.name2...".

Throws:

ParseException

ImportDeclaration

public final void ImportDeclaration()
                             throws ParseException

Not implemented.

Throws:

ParseException

TypeDeclaration

public final void TypeDeclaration()
                           throws ParseException

Throws:

ParseException

ClassDeclaration

public final ClassDeclaration ClassDeclaration()
                                        throws ParseException

Throws:

ParseException

UnmodifiedClassDeclaration

public final void UnmodifiedClassDeclaration()
                                      throws ParseException

Throws:

ParseException

ClassBody

public final void ClassBody()
                     throws ParseException

Throws:

ParseException

NestedClassDeclaration

public final void NestedClassDeclaration()
                                  throws ParseException

Throws:

ParseException

ClassBodyDeclaration

public final void ClassBodyDeclaration()
                                throws ParseException

Throws:

ParseException

MethodDeclarationLookahead

public final void MethodDeclarationLookahead()
                                      throws ParseException

This production is to determine lookahead only.

Throws:

ParseException

InterfaceDeclaration

public final void InterfaceDeclaration()
                                throws ParseException

Not implemented.

Throws:

ParseException

NestedInterfaceDeclaration

public final void NestedInterfaceDeclaration()
                                      throws ParseException

Throws:

ParseException

UnmodifiedInterfaceDeclaration

public final void UnmodifiedInterfaceDeclaration()
                                          throws ParseException

Throws:

ParseException

InterfaceMemberDeclaration

public final void InterfaceMemberDeclaration()
                                      throws ParseException

Throws:

ParseException

FieldDeclaration

public final void FieldDeclaration()
                            throws ParseException

Not implemented.

Throws:

ParseException

VariableDeclarator

public final void VariableDeclarator()
                              throws ParseException

Throws:

ParseException

VariableDeclaratorId

public final java.lang.String VariableDeclaratorId()
                                            throws ParseException

Throws:

ParseException

VariableInitializer

public final void VariableInitializer()
                               throws ParseException

Throws:

ParseException

ArrayInitializer

public final void ArrayInitializer()
                            throws ParseException

Throws:

ParseException

MethodDeclaration

public final MethodDeclaration MethodDeclaration()
                                          throws ParseException

Throws:

ParseException

FormalParameters

public final FormalParameters FormalParameters()
                                        throws ParseException

Throws:

ParseException

FormalParameter

public final FormalParameter FormalParameter()
                                      throws ParseException

Throws:

ParseException

ConstructorDeclaration

public final void ConstructorDeclaration()
                                  throws ParseException

Not implemented.

Throws:

ParseException

ExplicitConstructorInvocation

public final void ExplicitConstructorInvocation()
                                         throws ParseException

Not implemented.

Throws:

ParseException

Initializer

public final void Initializer()
                       throws ParseException

Not implemented.

Throws:

ParseException

Type

public final org.apache.bcel.generic.Type Type()
                                        throws ParseException

Parse a "Type", which may be a primitive Type, a class name or an array (arrays not implemented).

Throws:

ParseException

TypeName

public final org.apache.bcel.generic.Type TypeName()
                                            throws ParseException

Throws:

ParseException

PrimitiveType

public final org.apache.bcel.generic.Type PrimitiveType()
                                                 throws ParseException

Throws:

ParseException

ResultType

public final org.apache.bcel.generic.Type ResultType()
                                              throws ParseException

A ResultType is either "void" or a Type.

Throws:

ParseException

Name

public final java.lang.String Name()
                            throws ParseException

Parse a (qualified) Name such as a.b.c

Throws:

ParseException

NameList

public final void NameList()
                    throws ParseException

Throws:

ParseException

Expression

public final Expression Expression()
                            throws ParseException

Parse an expression returning an AST representing that expression.

Throws:

ParseException

AssignmentOperator

public final void AssignmentOperator()
                              throws ParseException

Throws:

ParseException

ConditionalExpression

public final Expression ConditionalExpression()
                                       throws ParseException

Throws:

ParseException

ConditionalOrExpression

public final Expression ConditionalOrExpression()
                                         throws ParseException

Throws:

ParseException

ConditionalAndExpression

public final Expression ConditionalAndExpression()
                                          throws ParseException

Throws:

ParseException

InclusiveOrExpression

public final Expression InclusiveOrExpression()
                                       throws ParseException

Throws:

ParseException

ExclusiveOrExpression

public final Expression ExclusiveOrExpression()
                                       throws ParseException

Throws:

ParseException

AndExpression

public final Expression AndExpression()
                               throws ParseException

Throws:

ParseException

EqualityExpression

public final Expression EqualityExpression()
                                    throws ParseException

Throws:

ParseException

InstanceOfExpression

public final Expression InstanceOfExpression()
                                      throws ParseException

Throws:

ParseException

RelationalExpression

public final Expression RelationalExpression()
                                      throws ParseException

Throws:

ParseException

ShiftExpression

public final Expression ShiftExpression()
                                 throws ParseException

Throws:

ParseException

AdditiveExpression

public final Expression AdditiveExpression()
                                    throws ParseException

Throws:

ParseException

MultiplicativeExpression

public final Expression MultiplicativeExpression()
                                          throws ParseException

Throws:

ParseException

UnaryExpression

public final Expression UnaryExpression()
                                 throws ParseException

Throws:

ParseException

PreIncrementExpression

public final Expression PreIncrementExpression()
                                        throws ParseException

Throws:

ParseException

PreDecrementExpression

public final Expression PreDecrementExpression()
                                        throws ParseException

Throws:

ParseException

UnaryExpressionNotPlusMinus

public final Expression UnaryExpressionNotPlusMinus()
                                             throws ParseException

Throws:

ParseException

CastLookahead

public final void CastLookahead()
                         throws ParseException

Throws:

ParseException

PostfixExpression

public final Expression PostfixExpression()
                                   throws ParseException

Throws:

ParseException

CastExpression

public final Expression CastExpression()
                                throws ParseException

Throws:

ParseException

PrimaryExpression

public final Expression PrimaryExpression()
                                   throws ParseException

Throws:

ParseException

PrimaryPrefix

public final void PrimaryPrefix(PrimaryExpression pe)
                         throws ParseException

Throws:

ParseException

PrimarySuffix

public final void PrimarySuffix(PrimaryExpression pe)
                         throws ParseException

Throws:

ParseException

Literal

public final Expression Literal()
                         throws ParseException

Throws:

ParseException

BooleanLiteral

public final Expression BooleanLiteral()
                                throws ParseException

Throws:

ParseException

NullLiteral

public final Expression NullLiteral()
                             throws ParseException

Throws:

ParseException

Arguments

public final ArgumentList Arguments()
                             throws ParseException

Throws:

ParseException

ArgumentList

public final ArgumentList ArgumentList()
                                throws ParseException

Throws:

ParseException

AllocationExpression

public final Expression AllocationExpression()
                                      throws ParseException

Throws:

ParseException

ArrayDimsAndInits

public final void ArrayDimsAndInits()
                             throws ParseException

Throws:

ParseException

Statement

public final Statement Statement()
                          throws ParseException

Throws:

ParseException

LabeledStatement

public final void LabeledStatement()
                            throws ParseException

Throws:

ParseException

Block

public final Block Block()
                  throws ParseException

Throws:

ParseException

BlockStatement

public final Statement BlockStatement()
                               throws ParseException

Throws:

ParseException

LocalVariableDeclaration

public final void LocalVariableDeclaration()
                                    throws ParseException

Throws:

ParseException

EmptyStatement

public final void EmptyStatement()
                          throws ParseException

Throws:

ParseException

StatementExpression

public final void StatementExpression()
                               throws ParseException

Throws:

ParseException

SwitchStatement

public final void SwitchStatement()
                           throws ParseException

Throws:

ParseException

SwitchLabel

public final void SwitchLabel()
                       throws ParseException

Throws:

ParseException

IfStatement

public final IfStatement IfStatement()
                              throws ParseException

Throws:

ParseException

WhileStatement

public final void WhileStatement()
                          throws ParseException

Throws:

ParseException

DoStatement

public final void DoStatement()
                       throws ParseException

Throws:

ParseException

ForStatement

public final void ForStatement()
                        throws ParseException

Throws:

ParseException

ForInit

public final void ForInit()
                   throws ParseException

Throws:

ParseException

StatementExpressionList

public final void StatementExpressionList()
                                   throws ParseException

Throws:

ParseException

ForUpdate

public final void ForUpdate()
                     throws ParseException

Throws:

ParseException

BreakStatement

public final void BreakStatement()
                          throws ParseException

Throws:

ParseException

ContinueStatement

public final void ContinueStatement()
                             throws ParseException

Throws:

ParseException

ReturnStatement

public final ReturnStatement ReturnStatement()
                                      throws ParseException

Throws:

ParseException

ThrowStatement

public final void ThrowStatement()
                          throws ParseException

Throws:

ParseException

SynchronizedStatement

public final void SynchronizedStatement()
                                 throws ParseException

Throws:

ParseException

TryStatement

public final void TryStatement()
                        throws ParseException

Throws:

ParseException

ReInit

public void ReInit(java.io.InputStream stream)

ReInit

public void ReInit(java.io.Reader stream)

ReInit

public void ReInit(JExprTokenManager tm)

getNextToken

public final Token getNextToken()

getToken

public final Token getToken(int index)

generateParseException

public ParseException generateParseException()

enable_tracing

public final void enable_tracing()

disable_tracing

public final void disable_tracing()