#Compiler

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The tool that compiles source code to another form of executable code.

Article Eduard Lebedyuk · Jan 24 3m read

Welcome to the next chapter of my CI/CD series, where we discuss possible approaches toward software development with InterSystems technologies and GitLab.

Today I want to share a few approaches that will decrease your compilation time (especially if you're doing incremental/diff compilation rather than a full build).

Compiler flags and qualifiers

Code load and compilation are affected by a variety of flags and qualifiers. If you write deployment scripts for InterSystems platforms, I highly recommend reading them at least once through.

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Question Nimisha Joseph · Dec 19, 2025

We have created a CSP application in the path /csp/ourapp. Due to some session handling issues, we created a new web application /csp/ourapp/hl7mapping that points to the sane namespace, and we now access the CSP pages using this new URL. This works fine in the local system.

After deploying the app to server, we are facing issues around compiling CSP pages.

We noticed that following compilation command works for CSP files located under the physical path /csp/ourapp, but it does not compile the CSP files placed under /CSP/ourapp/hl7mapping.

do $SYSTEM.CSP.

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Question Colin Brough · Apr 10, 2025

InterSystems ObjectScript extension for VS Code, version 3.0.1

Am also asking this question on the extension's GitHub page: Request textDocument/documentSymbol failed. Error: name must not be falsy · intersystems-community/vscode-objectscript · Discussion #1530 - but suspect more eyes will see it here, which might help gather additional information.

Tried to compile some legacy ObjectScript code via Import/Compile in VS Code using the vscode-objectscript extension. Getting an error, and the content of the file is left changed on the filesystem simply by being compiled.

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Question Ashok Kumar T · Oct 15, 2025

Hello Community,

When I compile the Sample.User class for the first time, and include an ObjectGenerator method intended to run certain logic during each compilation, it throws a <CLASS DOES NOT EXIST> error. However, recompiling the same class works as expected.

I understand this happens because the class hasn’t been fully compiled yet during the first pass. To overcome this issue, are there any specific callback methods available that can safely be used after the class is fully compiled?



Spoiler

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Question André-Claude Gendron · Jul 31, 2025

Hi everyone,

I’m working with an existing InterSystems IRIS server that hosts several web applications and namespace-specific code and data. I’d like to reverse-engineer the current environment into a %Installer.Manifest file so I can store it in Git and manage its changes.

My goal is to:

  • Track the application setup and configuration in version control
  • Rebuild environments consistently (namespaces, CSP apps, security roles, etc.)
  • Possibly automate deployments later on

I understand that %Installer is declarative and wasn’t necessarily designed to reflect a running system.

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Question Justin Millette · Jun 23, 2025

I have a class with a projection that creates some persistent classes (chunks) and a non-persistent "Daemon" class that I want to have running in the background, doing some processing. The daemon needs to look at the "chunk" classes, and I want it to be simple to start the daemon -- I am currently calling the daemon's start method at the end of the CreateProjection method. When I do this, I get a <CLASS DOES NOT EXIST> error from the daemon when it tries to query against one of the chunk tables. But, if I add a "HANG 5" at the beginning of the daemon start method, this runs fine.

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