public class FlatIRGraph {
- private State state;
+ private State state;
- private BufferedWriter flatbw;
+ private BufferedWriter flatbw;
- private HashSet<FlatNode> visited;
- private HashSet<FlatNode> toVisit;
-
- private int labelindex;
- private Hashtable<FlatNode, Integer> flatnodetolabel;
+ private HashSet<FlatNode> visited;
+ private HashSet<FlatNode> toVisit;
- public FlatIRGraph(State state, boolean tasks, boolean usermethods, boolean libmethods) throws java.io.IOException {
- this.state=state;
+ private int labelindex;
+ private Hashtable<FlatNode, Integer> flatnodetolabel;
- if( tasks )
- graphTasks();
+ public FlatIRGraph(State state, boolean tasks, boolean usermethods, boolean libmethods) throws java.io.IOException {
+ this.state=state;
- if( usermethods || libmethods )
- graphMethods();
- }
+ if( tasks )
+ graphTasks();
- private void graphTasks() throws java.io.IOException {
- for(Iterator it_tasks=state.getTaskSymbolTable().getDescriptorsIterator();it_tasks.hasNext();) {
- TaskDescriptor td = (TaskDescriptor)it_tasks.next();
- FlatMethod fm = state.getMethodFlat(td);
- writeFlatIRGraph(fm,"task"+td.getSymbol());
- }
- }
+ if( usermethods || libmethods )
+ graphMethods();
+ }
- private void graphMethods() throws java.io.IOException {
- for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator();it_classes.hasNext();) {
- ClassDescriptor cd = (ClassDescriptor)it_classes.next();
- for(Iterator it_methods=cd.getMethods();it_methods.hasNext();) {
- MethodDescriptor md = (MethodDescriptor)it_methods.next();
- FlatMethod fm = state.getMethodFlat(md);
- writeFlatIRGraph(fm,cd.getSymbol()+"."+md.getSymbol());
- }
- }
+ private void graphTasks() throws java.io.IOException {
+ for(Iterator it_tasks=state.getTaskSymbolTable().getDescriptorsIterator(); it_tasks.hasNext();) {
+ TaskDescriptor td = (TaskDescriptor)it_tasks.next();
+ FlatMethod fm = state.getMethodFlat(td);
+ writeFlatIRGraph(fm,"task"+td.getSymbol());
}
-
- private void writeFlatIRGraph( FlatMethod fm, String graphname ) throws java.io.IOException {
- // give every node in the flat IR graph a unique label
- // so a human being can inspect the graph and verify
- // correctness
- flatnodetolabel=new Hashtable<FlatNode, Integer>();
- visited=new HashSet<FlatNode>();
- labelindex=0;
- labelFlatNodes( fm );
-
- // take symbols out of graphname that cause dot to fail
- graphname = graphname.replaceAll( "[\\W]", "" );
-
- flatbw=new BufferedWriter( new FileWriter( graphname+"_flatIRGraph.dot" ) );
- flatbw.write("digraph "+graphname+" {\n");
-
- visited=new HashSet<FlatNode>();
- toVisit=new HashSet<FlatNode>();
- toVisit.add(fm);
-
- while( !toVisit.isEmpty() ) {
- FlatNode fn=(FlatNode)toVisit.iterator().next();
- toVisit.remove(fn);
- visited.add(fn);
-
- if( fn.kind() == FKind.FlatMethod ) {
- // FlatMethod does not have toString
- flatbw.write( makeDotNodeDec( graphname, flatnodetolabel.get(fn), fn.getClass().getName(), "FlatMethod" ) );
- } else {
- flatbw.write( makeDotNodeDec( graphname, flatnodetolabel.get(fn), fn.getClass().getName(), fn.toString() ) );
- }
-
- for(int i=0;i<fn.numNext();i++) {
- FlatNode nn=fn.getNext(i);
- flatbw.write( " node"+flatnodetolabel.get(fn)+" -> node"+flatnodetolabel.get(nn)+";\n" );
-
- if( !visited.contains( nn ) ) {
- toVisit.add( nn );
- }
- }
- }
-
- flatbw.write( "}\n" );
- flatbw.close();
+ }
+
+ private void graphMethods() throws java.io.IOException {
+ for(Iterator it_classes=state.getClassSymbolTable().getDescriptorsIterator(); it_classes.hasNext();) {
+ ClassDescriptor cd = (ClassDescriptor)it_classes.next();
+ for(Iterator it_methods=cd.getMethods(); it_methods.hasNext();) {
+ MethodDescriptor md = (MethodDescriptor)it_methods.next();
+ FlatMethod fm = state.getMethodFlat(md);
+ writeFlatIRGraph(fm,cd.getSymbol()+"."+md.getSymbol());
+ }
}
-
- private void labelFlatNodes(FlatNode fn) {
- visited.add(fn);
- flatnodetolabel.put(fn,new Integer(labelindex++));
- for(int i=0;i<fn.numNext();i++) {
- FlatNode nn=fn.getNext(i);
- if(!visited.contains(nn)) {
- labelFlatNodes(nn);
- }
+ }
+
+ private void writeFlatIRGraph(FlatMethod fm, String graphname) throws java.io.IOException {
+ // give every node in the flat IR graph a unique label
+ // so a human being can inspect the graph and verify
+ // correctness
+ flatnodetolabel=new Hashtable<FlatNode, Integer>();
+ visited=new HashSet<FlatNode>();
+ labelindex=0;
+ labelFlatNodes(fm);
+
+ // take symbols out of graphname that cause dot to fail
+ graphname = graphname.replaceAll("[\\W]", "");
+
+ flatbw=new BufferedWriter(new FileWriter(graphname+"_flatIRGraph.dot") );
+ flatbw.write("digraph "+graphname+" {\n");
+
+ visited=new HashSet<FlatNode>();
+ toVisit=new HashSet<FlatNode>();
+ toVisit.add(fm);
+
+ while( !toVisit.isEmpty() ) {
+ FlatNode fn=(FlatNode)toVisit.iterator().next();
+ toVisit.remove(fn);
+ visited.add(fn);
+
+ if( fn.kind() == FKind.FlatMethod ) {
+ // FlatMethod does not have toString
+ flatbw.write(makeDotNodeDec(graphname, flatnodetolabel.get(fn), fn.getClass().getName(), "FlatMethod") );
+ } else {
+ flatbw.write(makeDotNodeDec(graphname, flatnodetolabel.get(fn), fn.getClass().getName(), fn.toString() ) );
+ }
+
+ for(int i=0; i<fn.numNext(); i++) {
+ FlatNode nn=fn.getNext(i);
+ flatbw.write(" node"+flatnodetolabel.get(fn)+" -> node"+flatnodetolabel.get(nn)+";\n");
+
+ if( !visited.contains(nn) ) {
+ toVisit.add(nn);
}
+ }
}
- private String makeNodeName( String graphname, Integer id, String type ) {
- String s = String.format( "%05d", id );
- return "FN"+s+"_"+type;
+ flatbw.write("}\n");
+ flatbw.close();
+ }
+
+ private void labelFlatNodes(FlatNode fn) {
+ visited.add(fn);
+ flatnodetolabel.put(fn,new Integer(labelindex++));
+ for(int i=0; i<fn.numNext(); i++) {
+ FlatNode nn=fn.getNext(i);
+ if(!visited.contains(nn)) {
+ labelFlatNodes(nn);
+ }
}
-
- private String makeDotNodeDec( String graphname, Integer id, String type, String details ) {
- if( details == null ) {
- return " node"+id+"[label=\""+makeNodeName(graphname,id,type)+"\"];\n";
- } else {
- return " node"+id+"[label=\""+makeNodeName(graphname,id,type)+"\\n"+details+"\"];\n";
- }
+ }
+
+ private String makeNodeName(String graphname, Integer id, String type) {
+ String s = String.format("%05d", id);
+ return "FN"+s+"_"+type;
+ }
+
+ private String makeDotNodeDec(String graphname, Integer id, String type, String details) {
+ if( details == null ) {
+ return " node"+id+"[label=\""+makeNodeName(graphname,id,type)+"\"];\n";
+ } else {
+ return " node"+id+"[label=\""+makeNodeName(graphname,id,type)+"\\n"+details+"\"];\n";
}
+ }
}
projects / IRC.git / blobdiff