GrammarElement (antlr Javadoc)

java.lang.Object
- antlr.GrammarElement

Direct Known Subclasses:

AlternativeElement
```
abstract class GrammarElement
extends java.lang.Object
```
A GrammarElement is a generic node in our data structure that holds a grammar in memory. This data structure can be used for static analysis or for dynamic analysis (during parsing). Every node must know which grammar owns it, how to generate code, and how to do analysis.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`AUTO_GEN_BANG`
`static int`	`AUTO_GEN_CARET`
`static int`	`AUTO_GEN_NONE`
`protected int`	`column`
`protected Grammar`	`grammar`
`protected int`	`line`

Constructor Summary

Constructors
Constructor Description

GrammarElement(Grammar g)

GrammarElement(Grammar g, Token start)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`generate()`
`int`	`getColumn()`
`int`	`getLine()`
`Lookahead`	`look(int k)`
`abstract java.lang.String`	`toString()`

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

Field Detail

AUTO_GEN_NONE
```
public static final int AUTO_GEN_NONE
```
See Also:

Constant Field Values

AUTO_GEN_CARET
```
public static final int AUTO_GEN_CARET
```
See Also:

Constant Field Values

AUTO_GEN_BANG
```
public static final int AUTO_GEN_BANG
```
See Also:

Constant Field Values

grammar
```
protected Grammar grammar
```

line
```
protected int line
```

column
```
protected int column
```

Constructor Detail

GrammarElement
```
public GrammarElement(Grammar g)
```

GrammarElement

public GrammarElement(Grammar g,
                      Token start)

Method Detail

generate
```
public void generate()
```

getLine
```
public int getLine()
```

getColumn
```
public int getColumn()
```

look
```
public Lookahead look(int k)
```

toString
```
public abstract java.lang.String toString()
```
Overrides:

toString in class java.lang.Object