BlockEdge Struct Reference

A control-flow edge between blocks (FlowBlock) More...

#include <block.hh>

Public Member Functions
	BlockEdge (void)
	Constructor for use with restoreXml.
	BlockEdge (FlowBlock *pt, uint4 lab, int4 rev)
	Constructor.
void	saveXml (ostream &s) const
	Save the edge to an XML stream. More...
void	restoreXml (const Element *el, BlockMap &resolver)
	Restore this edge from an XML stream. More...

Public Attributes
uint4	label
	Label of the edge.
FlowBlock *	point
	Other end of the edge.
int4	reverse_index
	Index for edge coming other way.

Detailed Description

A control-flow edge between blocks (FlowBlock)

The edge is owned by the source block and can have FlowBlock::edge_flags labels applied to it. The point indicates the FlowBlock at the other end from the source block. NOTE: The control-flow direction of the edge can only be determined from context, whether the edge is in the incoming or outgoing edge list.

Member Function Documentation

void BlockEdge::restoreXml	(	const Element *	el,
		BlockMap &	resolver
	)

Restore this edge from an XML stream.

Parameters

el	is the <edge> tag
resolver	is used to cross-reference the edge's FlowBlock endpoints

References BlockMap::findLevelBlock(), Element::getAttributeValue(), label, point, and reverse_index.

Referenced by BlockEdge(), BlockGraph::emit(), FlowBlock::restoreNextInEdge(), and FlowBlock::restoreXmlBody().

void BlockEdge::saveXml

(

ostream &

s

)

const

Save the edge to an XML stream.

The edge is saved assuming we already know what block we are in

Parameters

s	is the output stream

References a_v_i(), FlowBlock::getIndex(), point, and reverse_index.

Referenced by BlockEdge(), FlowBlock::restoreXmlBody(), and BlockGraph::saveXmlBody().

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The documentation for this struct was generated from the following files:

• block.hh
• block.cc