PDGBuilder (YABR)

tonic@yabr:~$ Source Portfolio tonicbox.dev

java.lang.Object
- com.tonic.analysis.pdg.PDGBuilder

```
public class PDGBuilder
extends Object
```
Builder of a program dependence graph for one method, deriving control dependence from the post-dominator tree and data dependence from def-use chains.

Constructor Summary

Constructors
Constructor Description

PDGBuilder(IRMethod method)
Creates a builder and its post-dominator tree and def-use chains, neither of which is computed yet.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static PDG`	`build(IRMethod method)`	Builds the dependence graph for a method: entry and exit regions, one node per phi and instruction, then control, data, and exception edges.
`Map<IRBlock,PDGNode>`	`getBlockTerminatorNodes()`
`DefUseChains`	`getDefUseChains()`
`IRMethod`	`getMethod()`
`PDG`	`getPdg()`
`PostDominatorTree`	`getPostDomTree()`

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

- Constructor Detail
  - PDGBuilder
```
public PDGBuilder(IRMethod method)
```
    Creates a builder and its post-dominator tree and def-use chains, neither of which is computed yet.
    
    Parameters:
    
    method - the method to analyze
- Method Detail
  - getMethod
```
public IRMethod getMethod()
```
    Returns:
    
    the method
  - getPostDomTree
```
public PostDominatorTree getPostDomTree()
```
    Returns:
    
    the post dom tree
  - getDefUseChains
```
public DefUseChains getDefUseChains()
```
    Returns:
    
    the def use chains
  - getPdg
```
public PDG getPdg()
```
    Returns:
    
    the pdg
  - getBlockTerminatorNodes
```
public Map<IRBlock,PDGNode> getBlockTerminatorNodes()
```
    Returns:
    
    the block terminator nodes
  - build
```
public static PDG build(IRMethod method)
```
    Builds the dependence graph for a method: entry and exit regions, one node per phi and instruction, then control, data, and exception edges.
    
    Parameters:
    
    method - the method to analyze
    
    Returns:
    
    the completed graph