Examples with CFExpression cfml.parsing.cfscript.CFExpression used on opensource projects

Example 1 with CFExpression

use of cfml.parsing.cfscript.CFExpression in project CFLint by cflint.

the class CFLint method process.

private void process(final CFScriptStatement expression, Context context) {
    if (expression == null) {
        return;
    }
    if (expression != null && expression.getToken() != null) {
        List<Object> checkItem = Arrays.asList(expression, expression.getToken());
        if (processed.contains(checkItem)) {
            System.err.println("Attempt to process expression twice aborted.  This may be a parsing bug in " + context.getFilename() + " : " + (expression.getToken() != null ? expression.getToken().getLine() : ""));
            return;
        }
        processed.add(checkItem);
    }
    final Element elem = context.getElement();
    try {
        if (expression instanceof CFCompoundStatement) {
            scanExpression(expression, context, elem);
            for (final CFScriptStatement statement : ((CFCompoundStatement) expression).getStatements()) {
                process(statement, context);
            }
        } else if (expression instanceof CFExpressionStatement) {
            scanExpression(expression, context, elem);
            process(((CFExpressionStatement) expression).getExpression(), elem, context);
        } else if (expression instanceof CFPropertyStatement) {
            try {
                //TODO fix this to use getPropertyName() when it is available and not null.
                Field field = CFPropertyStatement.class.getDeclaredField("propertyName");
                field.setAccessible(true);
                CFExpression value = (CFExpression) field.get(expression);
                if (value == null) {
                    for (Entry<CFIdentifier, CFExpression> entry : ((CFPropertyStatement) expression).getAttributes().entrySet()) {
                        if ("name".equals(entry.getKey().getName())) {
                            value = entry.getValue();
                        }
                    }
                }
                String name = value.Decompile(0);
                handler.addVariable(name.substring(1, name.length() - 1));
            } catch (Exception e) {
                e.printStackTrace();
            }
            scanExpression(expression, context, elem);
        //                for(CFExpression expr: ((CFPropertyStatement) expression).decomposeExpression()){
        //                    process(expr, elem, context);
        //                }
        } else if (expression instanceof CFCompDeclStatement) {
            CFCompDeclStatement compDeclStatement = (CFCompDeclStatement) expression;
            final Context componentContext = context.subContext(null);
            componentContext.setInComponent(true);
            componentContext.setContextType(ContextType.Component);
            for (Entry<CFExpression, CFExpression> entry : compDeclStatement.getAttributes().entrySet()) {
                if (entry.getKey() != null && entry.getKey().Decompile(0).equalsIgnoreCase("name")) {
                    componentContext.setComponentName(entry.getValue().Decompile(0));
                }
            }
            // componentContext.setComponentName(compDeclStatement.get); //
            // TODO
            // Register any overrides from multi-line comments.
            registerRuleOverrides(componentContext, expression.getToken());
            // do startComponent notifications
            doStructureStart(elem, componentContext, expression.getClass());
            scanExpression(compDeclStatement, componentContext, elem);
            // process the component declaration
            if (compDeclStatement.getBody() instanceof CFCompoundStatement) {
                //Process property expressions first
                for (CFScriptStatement subscript : compDeclStatement.getBody().decomposeScript()) {
                    if (subscript instanceof CFPropertyStatement) {
                        process(subscript, componentContext);
                    }
                }
                for (CFScriptStatement subscript : compDeclStatement.getBody().decomposeScript()) {
                    if (!(subscript instanceof CFPropertyStatement)) {
                        process(subscript, componentContext);
                    }
                }
            } else {
                process(compDeclStatement.getBody(), componentContext);
            }
            // do endComponent notifications
            for (final CFLintStructureListener structurePlugin : getStructureListeners(extensions)) {
                try {
                    structurePlugin.endComponent(componentContext, bugs);
                    for (final ContextMessage message : componentContext.getMessages()) {
                        reportRule(elem, null, componentContext, (CFLintScanner) structurePlugin, message);
                    }
                    componentContext.getMessages().clear();
                } catch (final Exception e) {
                    printException(e);
                    fireCFLintException(e, PARSE_ERROR, context.getFilename(), null, null, null, null);
                }
            }
        } else if (expression instanceof CFForStatement) {
            scanExpression(expression, context, elem);
            process(((CFForStatement) expression).getInit(), elem, context);
            process(((CFForStatement) expression).getCond(), elem, context);
            process(((CFForStatement) expression).getNext(), elem, context);
            process(((CFForStatement) expression).getBody(), context);
        } else if (expression instanceof CFForInStatement) {
            scanExpression(expression, context, elem);
            process(((CFForInStatement) expression).getVariable(), elem, context);
            process(((CFForInStatement) expression).getStructure(), elem, context);
            process(((CFForInStatement) expression).getBody(), context);
        } else if (expression instanceof CFIfStatement) {
            scanExpression(expression, context, elem);
            final CFIfStatement cfif = (CFIfStatement) expression;
            process(cfif.getCond(), elem, context);
            process(cfif.getThenStatement(), context);
            process(cfif.getElseStatement(), context);
        } else if (expression instanceof CFSwitchStatement) {
            scanExpression(expression, context, elem);
            final CFSwitchStatement cfswitch = (CFSwitchStatement) expression;
            process(cfswitch.getVariable(), elem, context);
            for (CFCase _case : cfswitch.getCases()) {
                process(_case, context);
            }
        } else if (expression instanceof CFCase) {
            scanExpression(expression, context, elem);
            final CFCase cfcase = (CFCase) expression;
            for (CFScriptStatement cfstatement : cfcase.getStatements()) {
                process(cfstatement, context);
            }
        } else if (expression instanceof CFTryCatchStatement) {
            scanExpression(expression, context, elem);
            final CFTryCatchStatement cftry = (CFTryCatchStatement) expression;
            process(cftry.getBody(), context);
            for (CFCatchStatement stmt : cftry.getCatchStatements()) {
                process(stmt.getCatchBody(), context);
            }
            process(cftry.getFinallyStatement(), context);
        } else if (expression instanceof CFReturnStatement) {
            scanExpression(expression, context, elem);
            final CFReturnStatement cfreturn = (CFReturnStatement) expression;
            final CFExpression subExpression = cfreturn.getExpression();
            process(subExpression, elem, context);
        } else if (expression instanceof CFFuncDeclStatement) {
            final CFFuncDeclStatement function = (CFFuncDeclStatement) expression;
            final Context functionContext = context.subContext(null);
            functionContext.setContextType(ContextType.Function);
            functionContext.setFunctionInfo(function);
            registerRuleOverrides(functionContext, function.getToken());
            handler.push("function");
            for (final CFFunctionParameter param : function.getFormals()) {
                handler.addArgument(param.getName());
            }
            doStructureStart(elem, functionContext, CFFuncDeclStatement.class);
            scanExpression(expression, functionContext, elem);
            Context functionBodyContext = functionContext.subContext(null);
            process(function.getBody(), functionBodyContext);
            for (final CFLintStructureListener structurePlugin : getStructureListeners(extensions)) {
                try {
                    structurePlugin.endFunction(functionContext, bugs);
                    for (final ContextMessage message : functionContext.getMessages()) {
                        reportRule(elem, null, functionContext, (CFLintScanner) structurePlugin, message);
                    }
                    functionContext.getMessages().clear();
                } catch (final Exception e) {
                    printException(e);
                    fireCFLintException(e, PARSE_ERROR, context.getFilename(), null, null, null, null);
                }
            }
            handler.pop();
        } else {
            scanExpression(expression, context, elem);
        }
    } catch (final StackOverflowError soe) {
        System.err.println("Stack overflow in " + context.getFilename());
        final int line = context.startLine();
        fireCFLintException(soe, PARSE_ERROR, context.getFilename(), line, 1, "", "Stack overflow on " + expression.getClass());
    }
    // Process any messages added by downstream parsing.
    for (final ContextMessage message : context.getMessages()) {
        reportRule(elem, null, context, message.getSource(), message);
    }
    context.getMessages().clear();
}

Example 2 with CFExpression

use of cfml.parsing.cfscript.CFExpression in project CFLint by cflint.

the class CFLint method process.

private void process(final CFExpression expression, final Element elem, Context oldcontext) {
    if (expression != null) {
        final Context context = oldcontext.subContext(elem);
        for (final CFLintScanner plugin : extensions) {
            try {
                plugin.expression(expression, context, bugs);
                for (final ContextMessage message : context.getMessages()) {
                    reportRule(elem, expression, context, plugin, message);
                }
                context.getMessages().clear();
            } catch (final Exception e) {
                printException(e);
                reportRule(elem, expression, context, plugin, PLUGIN_ERROR);
                fireCFLintException(e, PLUGIN_ERROR, context.getFilename(), null, null, null, null);
            }
        }
        // Handle a few expression types in a special fashion.
        if (expression instanceof CFVarDeclExpression) {
            handler.addVariable(((CFVarDeclExpression) expression).getName());
        }
        //CFIdentifier should not decompose
        if (expression instanceof CFIdentifier) {
            final String name = ((CFIdentifier) expression).getName();
            handler.checkVariable(name);
        }
        if (expression instanceof CFAssignmentExpression && !(expression instanceof CFTernaryExpression)) {
            final Context assignmentContext = context.subContext(elem);
            assignmentContext.setInAssignmentExpression(true);
            process(((CFAssignmentExpression) expression).getLeft(), elem, assignmentContext);
            // Right hand side is handled below. Left hand side gets a
            // special context.
            process(((CFAssignmentExpression) expression).getRight(), elem, context);
        //Only process function call expressions
        } else if (expression instanceof CFFullVarExpression) {
            final CFFullVarExpression fullVarExpression = (CFFullVarExpression) expression;
            if (context.isInAssignmentExpression() && new CFScopes().isScoped(fullVarExpression, "local") && fullVarExpression.getExpressions().size() > 1) {
                handler.addVariable(fullVarExpression.getExpressions().get(1).Decompile(0));
            }
            for (final CFExpression expr : fullVarExpression.getExpressions()) {
                if (expr instanceof CFFunctionExpression) {
                    process(expr, elem, context);
                }
                if (expr instanceof CFMember) {
                    process(((CFMember) expr).getExpression(), elem, context);
                }
            }
        } else {
            // Loop into all relevant nested (child) expressions.
            for (CFExpression child : expression.decomposeExpression()) {
                process(child, elem, context);
            }
        }
    }
}

Example 3 with CFExpression

use of cfml.parsing.cfscript.CFExpression in project CFLint by cflint.

the class UnusedLocalVarChecker method expression.

//protected Map<String, Integer> variableLineNo = new HashMap<String, Integer>();
@Override
public void expression(final CFExpression expression, final Context context, final BugList bugs) {
    if (expression instanceof CFFullVarExpression) {
        final CFFullVarExpression fullVarExpression = (CFFullVarExpression) expression;
        final CFExpression variable = fullVarExpression.getExpressions().get(0);
        if (variable instanceof CFIdentifier) {
            final String name = ((CFIdentifier) variable).getName();
            if (!scopes.isCFScoped(name)) {
                localVariables.put(name.toLowerCase(), new VarInfo(name, true));
            } else if (scopes.isLocalScoped(name) && fullVarExpression.getExpressions().size() > 1) {
                final CFExpression variable2 = fullVarExpression.getExpressions().get(1);
                if (variable2 instanceof CFIdentifier) {
                    final String namepart = ((CFIdentifier) variable2).getName();
                    localVariables.put(namepart.toLowerCase(), new VarInfo(namepart, true));
                }
            }
        }
        for (CFExpression subexpr : ((CFFullVarExpression) expression).getExpressions()) {
            if (subexpr instanceof CFMember) {
                CFMember memberExpr = (CFMember) subexpr;
                if (memberExpr.getExpression() != null) {
                    expression(memberExpr.getExpression(), context, bugs);
                }
            }
        }
    } else if (expression instanceof CFVarDeclExpression) {
        final String name = ((CFVarDeclExpression) expression).getName();
        final int lineNo = expression.getLine() + context.startLine() - 1;
        addLocalVariable(name, lineNo);
    } else if (expression instanceof CFIdentifier) {
        final String name = ((CFIdentifier) expression).getName();
        if (name != null) {
            localVariables.put(name.toLowerCase(), new VarInfo(name, true));
        }
    }
}

Example 4 with CFExpression

use of cfml.parsing.cfscript.CFExpression in project CFLint by cflint.

the class VariableNameChecker method expression.

@Override
public void expression(final CFExpression expression, final Context context, final BugList bugs) {
    if (expression instanceof CFVarDeclExpression) {
        final CFVarDeclExpression cfVarDeclExpression = (CFVarDeclExpression) expression;
        final int lineNo = expression.getLine() + context.startLine() - 1;
        final String varName = cfVarDeclExpression.getName();
        checkNameForBugs(context, varName, varName, context.getFilename(), context.getFunctionName(), lineNo, bugs);
    } else if (expression instanceof CFFullVarExpression) {
        final CFFullVarExpression cfFullVarExpression = (CFFullVarExpression) expression;
        for (final CFExpression subexpression : cfFullVarExpression.getExpressions()) {
            if (subexpression instanceof CFIdentifier) {
                final String varName = ((CFIdentifier) subexpression).getName();
                final int lineNo = ((CFIdentifier) subexpression).getLine() + context.startLine() - 1;
                checkNameForBugs(context, cfFullVarExpression.Decompile(0), varName, context.getFilename(), context.getFunctionName(), lineNo, bugs);
            }
        }
    } else if (expression instanceof CFIdentifier) {
        final String varName = ((CFIdentifier) expression).getName();
        final int lineNo = ((CFIdentifier) expression).getLine() + context.startLine() - 1;
        checkNameForBugs(context, varName, varName, context.getFilename(), context.getFunctionName(), lineNo, bugs);
    }
}

Example 5 with CFExpression

use of cfml.parsing.cfscript.CFExpression in project CFLint by cflint.

the class CFLint method process.

private void process(final Element elem, final String space, final Context context) throws ParseException, IOException {
    currentElement = elem;
    if (elem.getName().equalsIgnoreCase("cfcomponent")) {
        final Context componentContext = context.subContext(elem);
        componentContext.setInComponent(true);
        componentContext.setComponentName(elem.getAttributeValue("displayname"));
        componentContext.setContextType(ContextType.Component);
        handler.push("component");
        doStructureStart(elem, componentContext, CFCompDeclStatement.class);
    } else if (elem.getName().equalsIgnoreCase("cffunction")) {
        final Context functionContext = context.subContext(elem);
        functionContext.setFunctionName(elem.getAttributeValue("name"));
        functionContext.setContextType(ContextType.Function);
        handler.push("function");
        doStructureStart(elem, functionContext, CFFuncDeclStatement.class);
    }
    if (elem.getName().equalsIgnoreCase("cfset") || elem.getName().equalsIgnoreCase("cfif") || elem.getName().equalsIgnoreCase("cfelseif") || elem.getName().equalsIgnoreCase("cfreturn")) {
        scanElement(elem, context);
        final Pattern p = Pattern.compile("<\\w+\\s(.*[^/])/?>", Pattern.MULTILINE | Pattern.DOTALL);
        final String expr = elem.getFirstStartTag().toString();
        final Matcher m = p.matcher(expr);
        if (m.matches()) {
            // TODO if LUCEE?
            // final int uglyNotPos = elem.toString().lastIndexOf("<>");
            // int endPos = elem.getStartTag().getEnd() - 1;
            //
            // if (uglyNotPos > 0) {
            // final int nextPos = elem.toString().indexOf(">", uglyNotPos +
            // 2);
            // if (nextPos > 0 && nextPos < elem.getEndTag().getBegin()) {
            // endPos = nextPos;
            // }
            // }
            // final String cfscript =
            // elem.toString().substring(elem.getName().length() + 1,
            // Math.min(endPos,elem.toString().length()-1));
            final String cfscript = m.group(1);
            try {
                final CFExpression expression = cfmlParser.parseCFExpression(cfscript, this);
                if (expression != null) {
                    process(expression, elem, context);
                }
            } catch (final Exception npe) {
                printException(npe, elem);
                fireCFLintException(npe, PARSE_ERROR, context.getFilename(), null, null, null, null);
            }
        }
        processStack(elem.getChildElements(), space + " ", context);
    } else if (elem.getName().equalsIgnoreCase("cfargument")) {
        scanElement(elem, context);
        final String name = elem.getAttributeValue("name");
        if (name != null) {
            handler.addArgument(name);
        }
        processStack(elem.getChildElements(), space + " ", context);
    } else if (elem.getName().equalsIgnoreCase("cfscript")) {
        scanElement(elem, context);
        final String cfscript = elem.getContent().toString();
        final CFScriptStatement scriptStatement = cfmlParser.parseScript(cfscript);
        Context subcontext = context.subContext(elem);
        process(scriptStatement, subcontext);
        processStack(elem.getChildElements(), space + " ", context);
    } else if (elem.getName().equalsIgnoreCase("cffunction")) {
        final Context functionContext = context.subContext(elem);
        functionContext.setFunctionName(elem.getAttributeValue("name"));
        functionContext.setContextType(ContextType.Function);
        scanElement(elem, functionContext);
        processStack(elem.getChildElements(), space + " ", functionContext);
        // Process any messages added by downstream parsing.
        for (final ContextMessage message : functionContext.getMessages()) {
            reportRule(elem, null, functionContext, message.getSource(), message);
        }
        functionContext.getMessages().clear();
        for (final CFLintStructureListener structurePlugin : getStructureListeners(extensions)) {
            try {
                structurePlugin.endFunction(functionContext, bugs);
                for (final ContextMessage message : functionContext.getMessages()) {
                    reportRule(elem, null, functionContext, (CFLintScanner) structurePlugin, message);
                }
                functionContext.getMessages().clear();
            } catch (final Exception e) {
                printException(e);
                fireCFLintException(e, PARSE_ERROR, context.getFilename(), null, null, null, null);
            }
        }
        handler.pop();
    } else if (elem.getName().equalsIgnoreCase("cfcomponent")) {
        final Context componentContext = context.subContext(elem);
        componentContext.setInComponent(true);
        componentContext.setComponentName(elem.getAttributeValue("displayname"));
        componentContext.setContextType(ContextType.Component);
        scanElement(elem, componentContext);
        processStack(elem.getChildElements(), space + " ", componentContext);
        for (final CFLintStructureListener structurePlugin : getStructureListeners(extensions)) {
            try {
                structurePlugin.endComponent(componentContext, bugs);
                for (final ContextMessage message : componentContext.getMessages()) {
                    reportRule(elem, null, componentContext, (CFLintScanner) structurePlugin, message);
                }
                componentContext.getMessages().clear();
            } catch (final Exception e) {
                printException(e);
                fireCFLintException(e, PARSE_ERROR, context.getFilename(), null, null, null, null);
            }
        }
        handler.pop();
    } else if (elem.getName().equalsIgnoreCase("cfquery")) {
        scanElement(elem, context);
        final List<Element> list = elem.getAllElements();
        processStack(list.subList(1, list.size()), space + " ", context);
    } else if (elem.getName().equalsIgnoreCase("cfqueryparam")) {
        scanElement(elem, context);
        if (elem.getAttributeValue("value") != null) {
        }
    } else {
        scanElement(elem, context);
        processStack(elem.getChildElements(), space + " ", context);
    }
    // Process any messages added by downstream parsing.
    for (final ContextMessage message : context.getMessages()) {
        reportRule(elem, null, context, message.getSource(), message);
    }
    context.getMessages().clear();
}