com.cflint.plugins.core.GlobalVarChecker Maven / Gradle / Ivy

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

import cfml.parsing.cfscript.CFExpression;
import cfml.parsing.cfscript.CFFullVarExpression;
import cfml.parsing.cfscript.CFIdentifier;

public class GlobalVarChecker extends CFLintScannerAdapter {

	protected CFScopes scopes = new CFScopes();

	@Override
	public void expression(final CFExpression expression, final Context context, final BugList bugs) {
		if ((context.isInComponent() || context.isInFunction()) && expression instanceof CFFullVarExpression) {
			final CFExpression firstExpression = ((CFFullVarExpression) expression).getExpressions().get(0);
			if (firstExpression instanceof CFIdentifier) {
				doIdentifier((CFIdentifier) firstExpression, context, bugs);
			}
		}
	}

	protected void doIdentifier(final CFIdentifier expression, final Context context, final BugList bugs) {
		final String name = expression.getName();
		if (scopes.isCFScoped(name) && !scopes.isFunctionScoped(name) && !context.getCallStack().isVariable(name)
				&& !context.getCallStack().isArgument(name)
				&& context.getCallStack().getPluginVar(GlobalVarChecker.class, name) == null) {
			context.getCallStack().setPluginVar(GlobalVarChecker.class, name, true);
			context.addMessage("GLOBAL_VAR", name);
		}

	}

}