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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.

There is a newer version: 1.5.0

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package com.cflint.plugins.core;

import java.util.Arrays;
import java.util.List;

import com.cflint.BugList;
import com.cflint.plugins.CFLintScannerAdapter;
import com.cflint.plugins.Context;

import cfml.CFSCRIPTLexer;
import cfml.parsing.cfscript.CFBinaryExpression;
import cfml.parsing.cfscript.script.CFExpressionStatement;
import cfml.parsing.cfscript.script.CFScriptStatement;
import ro.fortsoft.pf4j.Extension;

@Extension
public class CFCompareVsAssignChecker extends CFLintScannerAdapter {
    private static final List TOKENS = Arrays.asList(CFSCRIPTLexer.EQUALSEQUALSOP, CFSCRIPTLexer.LT, CFSCRIPTLexer.LTE,
            CFSCRIPTLexer.GT, CFSCRIPTLexer.GTE, CFSCRIPTLexer.OR, CFSCRIPTLexer.OROPERATOR, CFSCRIPTLexer.EQV,
            CFSCRIPTLexer.XOR, CFSCRIPTLexer.AND, CFSCRIPTLexer.ANDOPERATOR, CFSCRIPTLexer.EQ, CFSCRIPTLexer.NEQ,
            CFSCRIPTLexer.CONTAINS);

    @Override
    public void expression(final CFScriptStatement expression, final Context context, final BugList bugs) {
        if (expression instanceof CFExpressionStatement) {
            final CFExpressionStatement exprStatement = (CFExpressionStatement) expression;
            if (exprStatement.getExpression() instanceof CFBinaryExpression) {
                final CFBinaryExpression binaryExpression = (CFBinaryExpression) exprStatement.getExpression();
                if (TOKENS.contains(binaryExpression.getToken().getType())) {
                    context.addMessage("COMPARE_INSTEAD_OF_ASSIGN", binaryExpression.getToken().getText());
                }
            }
        }
    }
}