optimization: Build the G-code preview in C++ - #4481

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alex-pres wants to merge 11 commits into

LinuxCNC:masterfrom

alex-pres:pr-render-preview-cpp

Commits on Sep 2, 2026

Build the G-code preview in C++, rewrote gcodemodule.cc to pybind11
alex-pres
committed
075e6b8

Commits on Sep 3, 2026

Revert "rtapi: copy strings without going through vsnprintf"
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1f2ae70
glcanon: correct the docstrings on what a rendered parse forwards
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712df57
gcode: opt into the C++ preview by subclassing gcode.RendererCanon
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a023520
glcanon: drop the Translated base and its offset bookkeeping
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d635bb9
glcanon: drop the canon stubs a rendered parse never calls
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5b90d07
gcode_renderer: release the canon at the handover
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e5468a8
gcode_renderer: a parse carries no state over from the last one
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296fa83
gcode: let a canon build a linecode of its own
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09730f1
move documenation to proper place
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ec4a3e6
-- remove unused const
alex-pres
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b9d796f