com.jeffpalm.cop5555.parse
Class Parser

java.lang.Object
  com.jeffpalm.cop5555.parse.Parser

public class Parser
extends java.lang.Object

Field Summary

static int	BAD_TOKEN_ERR
static int	COMMAND_ERR
protected Token	errTok
static int	FACTOR_ERR
protected java.lang.String	file
protected TreeNode	head
static java.lang.String[]	msgs
protected Scanner	sc
protected com.jeffpalm.cop5555.parse.TreeNodeStack	stack
static int	STUFF_ON_STACK_ERR
protected Token	tok

Constructor Summary

Parser(java.lang.String file)

Method Summary

protected void	demand(int type)
protected boolean	eat(int type)
protected void	error(int errNum)
protected void	error(int errNum, java.lang.String str)
java.lang.String	getFile()
java.util.Vector	getText()
protected TreeNode	makeTree(int nonTermType, int num)
protected TreeNode	makeTree(TreeNode node, int num)
protected TreeNode	makeTree(TreeNode t, int num, Pos p)
TreeNode	parse()
protected boolean	peek(int type)
protected Pos	pos()
protected void	push(TreeNode node)
protected Token	tok()

Methods inherited from class java.lang.Object

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

Field Detail

tok

protected Token tok

errTok

protected Token errTok

head

protected TreeNode head

sc

protected Scanner sc

stack

protected com.jeffpalm.cop5555.parse.TreeNodeStack stack

file

protected java.lang.String file

msgs

public static final java.lang.String[] msgs

COMMAND_ERR

public static final int COMMAND_ERR

See Also:

Constant Field Values

FACTOR_ERR

public static final int FACTOR_ERR

See Also:

Constant Field Values

BAD_TOKEN_ERR

public static final int BAD_TOKEN_ERR

See Also:

Constant Field Values

STUFF_ON_STACK_ERR

public static final int STUFF_ON_STACK_ERR

See Also:

Constant Field Values

Constructor Detail

Parser

public Parser(java.lang.String file)
       throws java.io.IOException

Throws:

java.io.IOException

Method Detail

parse

public TreeNode parse()
               throws java.io.IOException

Throws:

java.io.IOException

push

protected void push(TreeNode node)

peek

protected boolean peek(int type)

eat

protected boolean eat(int type)
               throws java.io.IOException

Throws:

java.io.IOException

demand

protected void demand(int type)
               throws java.io.IOException

Throws:

java.io.IOException

makeTree

protected TreeNode makeTree(TreeNode node,
                            int num)

makeTree

protected TreeNode makeTree(int nonTermType,
                            int num)

makeTree

protected TreeNode makeTree(TreeNode t,
                            int num,
                            Pos p)

error

protected void error(int errNum,
                     java.lang.String str)

error

protected void error(int errNum)

pos

protected Pos pos()

tok

protected Token tok()

getText

public java.util.Vector getText()

getFile

public java.lang.String getFile()