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A static code analysis tool for ColdFusion (in the spirit of FindBugs and Lint). With CFLint, you are able to analyze your ColdFusion code base for code violations.

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package com.cflint;

import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Deque;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class StackHandler {

    Deque varStack = new ArrayDeque();

    public StackHandler() {
        super();
        excludes.add("VARIABLES");
        excludes.add("ARGUMENTS");
        excludes.add("SUPER");
        excludes.add("SESSION");
        excludes.add("APPLICATION");
        excludes.add("THIS");
        excludes.add("LOCAL");
        varStack.push(new Stack(""));
    }

    // Set variables = new HashSet();
    Set excludes = new HashSet();

    public void addVariable(final String name) {
        varStack.peek().getVariables().add(name.toUpperCase());
    }

    public void addArgument(final String name) {
        varStack.peek().getArguments().add(name.toUpperCase());
    }

    public boolean hasArgument(final String name) {
        return varStack.peek().getArguments().contains(name.toUpperCase());
    }

    public void push(final String pathName) {
        varStack.push(new Stack(pathName));
    }

    public void pop() {
        varStack.pop();
    }

    public Object getPluginVar(final Class clazz, final String var) {
        final String key = clazz.getName() + "_" + var;
        final Iterator iter = varStack.iterator();
        while (iter.hasNext()) {
            final Stack vars = iter.next();
            if (vars.getPluginvariables().containsKey(key)) {
                return vars.getPluginvariables().get(key);
            }
        }
        return null;
    }

    @SuppressWarnings("unchecked")
    public Collection getPluginAllVars(final Class clazz, final String var) {
        final List retval = new ArrayList();
        final String key = clazz.getName() + "_" + var;
        final Iterator iter = varStack.iterator();
        while (iter.hasNext()) {
            final Stack vars = iter.next();
            if (vars.getPluginvariables().containsKey(key)) {
                final Object value = vars.getPluginvariables().get(key);
                if (value instanceof Collection) {
                    retval.addAll((Collection) value);
                } else {
                    retval.add(value);
                }
            }
        }
        return retval;
    }

    public void setPluginVar(final Class clazz, final String var, final Object value) {
        final String key = clazz.getName() + "_" + var;
        varStack.peek().getPluginvariables().put(key, value);
    }

    public boolean isVariable(final String name) {
        final Iterator iter = varStack.iterator();
        while (iter.hasNext()) {
            final Stack vars = iter.next();
            if (vars.getVariables().contains(name.toUpperCase())) {
                return true;
            }
        }
        return false;
    }

    public boolean isArgument(final String name) {
        final Iterator iter = varStack.iterator();
        while (iter.hasNext()) {
            final Stack vars = iter.next();
            if (vars.getArguments().contains(name.toUpperCase())) {
                return true;
            }
        }
        return false;
    }

    public boolean checkVariable(final String name) {
        if (excludes.contains(name.toUpperCase())) {
            return true;
        }
        final Iterator iter = varStack.iterator();
        while (iter.hasNext()) {
            final Stack vars = iter.next();
            // Report only once per scope level
            if (vars.getReported().contains(name.toUpperCase())) {
                return true;
            }
            if (vars.getVariables().contains(name.toUpperCase())) {
                return true;
            }
            if (vars.getArguments().contains(name.toUpperCase())) {
                // Dereference of an argument without the arguments scope copies
                // to local scope
                vars.getVariables().add(name.toUpperCase());
                return true;
            }
        }
        // reported once gets pushed to avoid duplicates
        varStack.peek().getReported().add(name.toUpperCase());
        return false;
    }

    public static class Stack {
        public Stack(final String pathName) {
            super();
            this.pathName = pathName;
        }

        Set variables = new HashSet();
        Set reported = new HashSet();
        Map pluginvariables = new HashMap();
        Set arguments = new HashSet();
        String pathName;

        public String getPathName() {
            return pathName;
        }

        public void setPathName(final String pathName) {
            this.pathName = pathName;
        }

        public Set getVariables() {
            return variables;
        }

        public Set getArguments() {
            return arguments;
        }

        public Map getPluginvariables() {
            return pluginvariables;
        }

        public Set getReported() {
            return reported;
        }

    }
}
    

    

    

            

    

            



    
    






    
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