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improve verilator flags#7240

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waruqi merged 1 commit intodevfrom
verilator
Jan 18, 2026
Merged

improve verilator flags#7240
waruqi merged 1 commit intodevfrom
verilator

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@waruqi waruqi commented Jan 18, 2026

@waruqi waruqi added this to the v3.0.7 milestone Jan 18, 2026
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Summary of Changes

Hello @waruqi, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refactors the handling of Verilator compilation flags within the Xmake build system. By centralizing the logic for retrieving and processing these flags into a dedicated helper function, it enhances the flexibility and consistency of how users can specify Verilator options. This change directly addresses a reported issue regarding the addition of multiple Verilator flags, streamlining the configuration process for hardware description language projects.

Highlights

  • New Helper Function: Introduced a new internal helper function, _get_verilator_flags, to centralize the logic for retrieving and processing Verilator flags from the target configuration.
  • Improved Flag Handling: The new _get_verilator_flags function correctly handles multiple flag arguments or groups of flags added via add_values("verilator.flags", ...) as described in issue Duplicate values in 'add_values' are ignored, causing issues in some cases #7239.
  • Code Refactoring: Replaced direct calls to target:values("verilator.flags") with the new _get_verilator_flags function across various build stages (e.g., config, build_cppfiles, buildcmd_vfiles) to ensure consistent flag application.

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Code Review

This pull request introduces a helper function _get_verilator_flags to correctly process and flatten verilator flags. This is a good improvement, as it makes flag handling more robust and supports various ways of defining flags via add_values, as documented in the new function's comments. The change is applied consistently, replacing direct calls to target:values("verilator.flags") with the new helper function. The implementation of _get_verilator_flags is correct and handles cases where no flags are defined. Overall, this is a solid enhancement that improves the maintainability and functionality of the verilator rule.

@waruqi waruqi merged commit f0cb29d into dev Jan 18, 2026
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@waruqi waruqi deleted the verilator branch January 18, 2026 14:32
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