Examples with ClassInfo com.jopdesign.common.ClassInfo used on opensource projects

Example 41 with ClassInfo

use of com.jopdesign.common.ClassInfo in project jop by jop-devel.

the class TypeGraph method getSupertypeSets.

/**
     * Compute, for each type, the set of subtypes, using a single
     * top-down traversal
     * @return
     */
public Map<ClassInfo, Set<ClassInfo>> getSupertypeSets() {
    Map<ClassInfo, Set<ClassInfo>> supertypeMap = new HashMap<ClassInfo, Set<ClassInfo>>();
    for (ClassInfo v : topDownTraversal()) {
        Set<ClassInfo> supertypes = new HashSet<ClassInfo>();
        for (DefaultEdge parentEdge : incomingEdgesOf(v)) {
            ClassInfo supertype = getEdgeSource(parentEdge);
            supertypes.addAll(supertypeMap.get(supertype));
            supertypes.add(supertype);
        }
        supertypeMap.put(v, supertypes);
    }
    return supertypeMap;
}

Example 42 with ClassInfo

use of com.jopdesign.common.ClassInfo in project jop by jop-devel.

the class TypeGraph method exportDOT.

/**
     * Write the type graph in DOT format.
     * @param w
     * @param classFilter If non-null, only classes matching this prefix will be exported
     * @throws IOException
     */
public void exportDOT(Writer w, String classFilter) throws IOException {
    Set<ClassInfo> subset = null;
    if (classFilter != null) {
        subset = new HashSet<ClassInfo>();
        subset.add(this.rootNode);
        for (ClassInfo ci : this.vertexSet()) {
            if (ci.getClassName().startsWith(classFilter)) {
                while (ci.getSuperClassInfo() != null) {
                    subset.add(ci);
                    ci = ci.getSuperClassInfo();
                }
            }
        }
    }
    Subgraph<ClassInfo, DefaultEdge, TypeGraph> subgraph = new Subgraph<ClassInfo, DefaultEdge, TypeGraph>(this, subset);
    AdvancedDOTExporter<ClassInfo, DefaultEdge> exporter = new AdvancedDOTExporter<ClassInfo, DefaultEdge>(new TgNodeLabeller(), null);
    exporter.exportDOTDiGraph(w, subgraph);
}

Example 43 with ClassInfo

use of com.jopdesign.common.ClassInfo in project jop by jop-devel.

the class WCETEventHandler method loadLoopAnnotations.

/**
     * load annotations for the flow graph.
     *
     * @param cfg the control flow graph of the method
     * @throws BadAnnotationException if an annotations is missing
     */
public void loadLoopAnnotations(ControlFlowGraph cfg) throws BadAnnotationException {
    SourceAnnotations wcaMap;
    MethodInfo method = cfg.getMethodInfo();
    MethodCode code = method.getCode();
    ExecutionContext eCtx = new ExecutionContext(cfg.getMethodInfo());
    for (CFGNode n : cfg.getLoopColoring().getHeadOfLoops()) {
        BasicBlockNode headOfLoop = (BasicBlockNode) n;
        BasicBlock block = headOfLoop.getBasicBlock();
        // check if loopbound has already been loaded
        if (block.getLoopBound() != null) {
            // or at least check if the source-annotation is tighter than what is currently set?
            continue;
        }
        Set<LoopBound> bounds = new HashSet<LoopBound>(2);
        InstructionHandle first = block.getFirstInstruction();
        InstructionHandle last = first;
        ClassInfo sourceInfo = method.getCode().getSourceClassInfo(block.getFirstInstruction());
        for (InstructionHandle ih : block.getInstructions()) {
            ClassInfo cls = method.getCode().getSourceClassInfo(ih);
            boolean isLast = ih.equals(block.getLastInstruction());
            if (!cls.equals(sourceInfo) || isLast) {
                try {
                    wcaMap = getAnnotations(method.getCode().getSourceClassInfo(block.getFirstInstruction()));
                } catch (IOException e) {
                    throw new BadAnnotationException("IO Error reading annotation: " + e.getMessage(), e);
                }
                if (isLast) {
                    last = ih;
                }
                // search for loop annotation in range
                int sourceRangeStart = code.getLineNumber(first);
                int sourceRangeStop = code.getLineNumber(last);
                bounds.addAll(wcaMap.annotationsForLineRange(sourceRangeStart, sourceRangeStop + 1));
                first = ih;
            }
            last = ih;
        }
        if (bounds.size() > 1) {
            String reason = "Ambiguous Annotation [" + bounds + "]";
            throw new BadAnnotationException(reason, code, block);
        }
        LoopBound loopAnnot = null;
        if (bounds.size() == 1) {
            loopAnnot = bounds.iterator().next();
        }
        // if we have loop bounds from DFA analysis, use them
        loopAnnot = dfaLoopBound(block, eCtx, loopAnnot);
        if (loopAnnot == null) {
            // Bit of a hack: if we load CFGs before the callgraph is constructed, this will log errors anyway
            if (ignoreMissingLoopBounds) {
                logger.trace("No loop bound annotation: " + method + ":" + n + " " + getLineRangeText(code, block) + ".\nApproximating with " + DEFAULT_LOOP_BOUND + ", but result is not safe anymore.");
            } else if (project.getCallGraph() != null && !project.getCallGraph().containsMethod(method)) {
                logger.debug("No loop bound annotation for non-WCET method: " + method + ":" + n + " " + getLineRangeText(code, block) + ".\nApproximating with " + DEFAULT_LOOP_BOUND);
            } else {
                logger.error("No loop bound annotation: " + method + ":" + n + " " + getLineRangeText(code, block) + ".\nApproximating with " + DEFAULT_LOOP_BOUND + ", but result is not safe anymore.");
            }
            loopAnnot = LoopBound.defaultBound(DEFAULT_LOOP_BOUND);
        }
        block.setLoopBound(loopAnnot);
    }
}

Example 44 with ClassInfo

use of com.jopdesign.common.ClassInfo in project jop by jop-devel.

the class RecursiveWcetAnalysis method updateClassReport.

/**
     * Update class report (cost per line number)
     *
     * @param key
     * @param sol FIXME: Currently only reported once per method
     */
private void updateClassReport(CacheKey key, LocalWCETSolution sol) {
    MethodInfo m = key.m;
    if (costsPerLineReported.contains(m))
        return;
    costsPerLineReported.add(m);
    Map<CFGNode, WcetCost> nodeCosts = sol.getNodeCostMap();
    HashMap<CFGNode, String> nodeFlowCostDescrs = new HashMap<CFGNode, String>();
    // for autogenerated code
    long anonymousCost = 0;
    for (Entry<CFGNode, WcetCost> entry : nodeCosts.entrySet()) {
        CFGNode n = entry.getKey();
        WcetCost cost = entry.getValue();
        if (sol.getNodeFlow(n) > 0) {
            nodeFlowCostDescrs.put(n, cost.toString());
            BasicBlock basicBlock = n.getBasicBlock();
            /* prototyping */
            if (basicBlock != null) {
                Map<ClassInfo, TreeSet<Integer>> lineMap = basicBlock.getSourceLines();
                if (lineMap.isEmpty()) {
                    logger.error("No source code lines associated with basic block " + basicBlock + " in " + m + " ! ");
                    continue;
                }
                // we attach to the first class in the map only
                ClassInfo cli = lineMap.keySet().iterator().next();
                TreeSet<Integer> lineRange = lineMap.get(cli);
                ClassReport cr = getWCETTool().getReport().getClassReport(cli);
                long newCost = sol.getNodeFlow(n) * nodeCosts.get(n).getCost();
                // Autogenerated code, attach to next entry
                if (lineRange.isEmpty()) {
                    anonymousCost += newCost;
                    continue;
                } else {
                    newCost += anonymousCost;
                    anonymousCost = 0;
                }
                Long oldCost = (Long) cr.getLineProperty(lineRange.first(), "cost");
                if (oldCost == null)
                    oldCost = 0L;
                if (logger.isTraceEnabled()) {
                    logger.trace("Attaching cost " + oldCost + " + " + newCost + " to line " + lineRange.first() + " in " + basicBlock.getMethodInfo());
                }
                cr.addLineProperty(lineRange.first(), "cost", oldCost + newCost);
                for (int i : lineRange) {
                    cr.addLineProperty(i, "color", "red");
                }
            }
        } else {
            nodeFlowCostDescrs.put(n, "" + nodeCosts.get(n).getCost());
        }
    }
}

Example 45 with ClassInfo

use of com.jopdesign.common.ClassInfo in project jop by jop-devel.

the class AbstractOptimizer method optimize.

public void optimize() {
    initialize();
    if (appInfo.hasCallGraph()) {
        Collection<MethodInfo> methods = appInfo.getCallGraph().getMethodInfos();
        if (iterateSorted) {
            // little hack to make the DFA cache hack more deterministic
            TreeMap<String, MethodInfo> temp = new TreeMap<String, MethodInfo>();
            for (MethodInfo method : methods) {
                temp.put(method.getFQMethodName(), method);
            }
            methods = temp.values();
        }
        for (MethodInfo method : methods) {
            if (appInfo.isHwObject(method.getClassInfo())) {
                // Do not optimize Hardware Objects, leave them alone!
                continue;
            }
            if (method.hasCode()) {
                optimizeMethod(method);
            }
        }
    } else {
        if (iterateSorted) {
            TreeMap<String, ClassInfo> temp = new TreeMap<String, ClassInfo>();
            for (ClassInfo cls : appInfo.getClassInfos()) {
                temp.put(cls.getClassName(), cls);
            }
            for (ClassInfo cls : temp.values()) {
                visitClass(cls);
            }
        } else {
            appInfo.iterate(this);
        }
    }
    printStatistics();
}