IRStatement (yangtools-docs 6.0.4 API)

java.lang.Object
- org.opendaylight.yangtools.yang.parser.rfc7950.ir.IRStatement

All Implemented Interfaces:

Immutable, MutationBehaviour<Immutable>
```
@Beta
public abstract class IRStatement
extends Object
```
A single YANG statement in its raw string form. A statement is composed of:
- a mandatory keyword, modeled as IRKeyword
- an optional argument, modeled as IRArgument
- zero or more nested statements

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`@Nullable IRArgument`	`argument()`	Return this statement's argument, if it is present.
`@NonNull IRKeyword`	`keyword()`	Return this statement's keyword.
`abstract int`	`startColumn()`	Return the column number on which this statement's keyword has its first character, counting from 0.
`abstract int`	`startLine()`	Return the line number on which this statement's keyword has its first character, counting from 1.
`@NonNull List<? extends IRStatement>`	`statements()`	Return this statement's substatements.
`String`	`toString()`

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

- Method Detail
  - keyword
```
public final @NonNull IRKeyword keyword()
```
    Return this statement's keyword.
    
    Returns:
    
    This statement's keyword.
  - argument
```
public final @Nullable IRArgument argument()
```
    Return this statement's argument, if it is present.
    
    Returns:
    
    This statement's argument, or null if this statement does not have an argument
  - statements
```
public @NonNull List<? extends IRStatement> statements()
```
    Return this statement's substatements.
    
    Returns:
    
    This statement's substatements.
  - startLine
```
public abstract int startLine()
```
    Return the line number on which this statement's keyword has its first character, counting from 1. This information is used only for diagnostic purposes.
    
    Returns:
    
    Line number where this statement started in the source code.
  - startColumn
```
public abstract int startColumn()
```
    Return the column number on which this statement's keyword has its first character, counting from 0. This information is used only for diagnostic purposes.
    
    Returns:
    
    Column number where this statement started in the source code.
  - toString
```
public final String toString()
```
    Overrides:
    
    toString in class Object