ASM Code Lens

maziac

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A language server that enables code lens, references, hover information and symbol renaming in assembler files.
Installation
Launch VS Code Quick Open (Ctrl+P), paste the following command, and press enter.
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More Info

ASM Code Lense

'ASM Code Lense' is a language server extension for Visual Studio Code for assembler files. It provides support for:

  • Completions: While you type completions are proposed based on the labels in your asm files.
  • "Find all references": through a right mouse click in your assembler source file. It will come up with all found references in the other files.
  • Hovering: When hovering over symbol it shows the comments for the symbol.
  • Rename symbols.
  • Code Lens: Above symbols it shows the number of references. You can click it to get to the references.
  • Command: asm-code-lens.find-labels-with-no-reference to find all labels that are not EQU and are not referenced. Useful to find dead code.
  • Supports e.g. sjasmplus (with dot notation, also MODULE and STRUCTs), Savannah's z80asm, z88dk assembler and most probably many other assemblers that use a standard notation for labels (e.g. "label:").
  • Assembler syntax highlighting.

Installation

Install through Visual Studio Code Marketplace. The extension is called "ASM Code Lens".

It supports the following assembler file extensions: .asm, .s, .inc, .a80.

Known Issues

  • [CodeLens lifetime #57227](https://github.com/Microsoft/vscode/issues/57227): Updates of the CodeLens is not working optimal. At the moment it is necessary to reload or save the file to update the CodeLens info.
  • This extension doesn't use a structured approach but just looks at all asm files without hierarchy. This means that sjasmplus MODULE definitions are only taken into account if they are used within the same file.

Acknowledgements

This extension made use of code from 2 other packages:

I also included the grammar for syntax highlighting from Martin Bórik's vscode extension z80-macroasm-vscode because I got problems when running both extensions at the same time and I could not turn off features selectively. I.e. I copied the files language.configuration.json and z80-macroasm.tmLanguage.json. The z80-macroasm-vscode extension itself was forked from Imanol Barriuso's vscode extension z80asm-vscode. MIT license, copyright (c) 2016 Imanol Barriuso (Imanolea).

Many thanks to the authors.