CompiledExpression CompileExpression(string expression_string)
{
CompiledExpression compiled = new CompiledExpression();
try
{
Parser expression_parser = new Parser(expression_string, m_ExecFuncEvaluator, m_CompileTimeConstants);
compiled.expression = expression_parser.Parse();
compiled.contains_exec = expression_parser.ContainsExec;
}
catch (Exception ex)
{
compiled.compile_error = ex;
}
return compiled;
}
Expression Parse(string s)
{
try
{
VariableValueResolver compile_time_constants = new VariableValueResolver();
compile_time_constants.SetVariable("true", true);
compile_time_constants.SetVariable("false", false);
Parser parser = new Parser(s, compile_time_constants);
return parser.Parse();
}
catch (ParserException ex)
{
Console.WriteLine("Parser Exception:");
Console.WriteLine(ex.InputText);
string indent = new string(' ', ex.ErrorPos);
Console.WriteLine("{0}^", indent);
Console.WriteLine("{0}{1}", indent, ex.ErrorMessage);
throw ex;
}
}
private void UpdateWindowTitle()
{
m_VSMainWindow.Update();
PackageGlobals globals = PackageGlobals.Instance();
EvalContext eval_ctx = globals.CreateFreshEvalContext();
bool variables_changed = !CompareVariables(eval_ctx.VariableValues, m_PrevVariableValues);
if (variables_changed)
{
m_PrevVariableValues = eval_ctx.VariableValues;
globals.TitleSetupEditor.Variables = eval_ctx.VariableValues;
}
ToolOptions options = (ToolOptions)GetDialogPage(typeof(ToolOptions));
#if VS2010_AND_LATER
if (m_DebugPrintTitleControlHierarchyCount < 5 && options.Debug)
{
++m_DebugPrintTitleControlHierarchyCount;
m_VSMainWindow.DebugPrintTitleControlHierarchy();
}
#endif
PackageGlobals.VSMultiInstanceInfo multi_instance_info;
globals.GetVSMultiInstanceInfo(out multi_instance_info);
bool extension_active;
switch (options.ExtensionActivationRule)
{
case EExtensionActivationRule.ActiveWithMultipleVSInstances:
extension_active = multi_instance_info.multiple_instances;
break;
case EExtensionActivationRule.ActiveWithMultipleVSInstancesOfTheSameVersion:
extension_active = multi_instance_info.multiple_instances_same_version;
break;
case EExtensionActivationRule.AlwaysInactive:
extension_active = false;
break;
default:
extension_active = true;
break;
}
if (extension_active)
{
TitleSetup title_setup = globals.TitleSetup;
if (m_ExpressionContainsExec || variables_changed || m_PrevExtensionActivationRule != options.ExtensionActivationRule ||
title_setup.TitleExpression != m_PrevTitleExpressionStr)
{
Parser parser = new Parser(title_setup.TitleExpression, globals.ExecFuncEvaluator, globals.CompileTimeConstants); ;
ExpressionCompilerJob job = new ExpressionCompilerJob(parser, globals.CreateFreshEvalContext(), false, m_CompiledExpressionCache);
job.OnCompileFinished += OnCompileFinished;
m_ExpressionCompilerThread.RemoveAllJobs();
m_ExpressionCompilerThread.AddJob(job);
}
m_PrevTitleExpressionStr = title_setup.TitleExpression;
}
else
{
m_VSMainWindow.SetTitle(m_VSMainWindow.OriginalTitle);
}
m_PrevExtensionActivationRule = options.ExtensionActivationRule;
}
