About handling external module of plsense

plsense search referable module for providing completion/help, and gather data of the module variable/function for the type inference. These module data are distinguished by the following naming.

• InstalledModule
• ProjectModule

It can be referenced at any location.

• It’s always used for completion/help.
• It’s a same data at any location.

It can be referenced at same project location.

• It’s used for completion/help at same project file.
• It’s a different data even if the module name is same between multiple project.
• If ProjectModule exists which is same name as InstalledModule, use a data of ProjectModule.

It’s found by the value of @INC when do serverstart.

It’s found by lib-path of Project Config File. At present, lib statement (use lib ...;) is not interpreted.

The module data is saved and reused if analyzing is finished. But, redo analyzing if match the following condition.

• The modified date is changed.
• The file path is changed.