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eeschema simulator: lazy ngspice_service worker — static sharedspice (XSPICE registry + CIDER), init_dll ifdef, e2e both engines

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Viktor Vaczi 2026-07-19 15:59:21 +02:00
commit 703cb010b7
30 changed files with 2872 additions and 82 deletions
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16
wasm/cmake/Findngspice.cmake
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@ -1,17 +1,19 @@
# Findngspice.cmake - Stub for WASM builds
# ngspice is not available in WASM builds (KICAD_SPICE=OFF)
# We provide stub values so CMake configuration succeeds
# The editor never links libngspice: the simulator engine runs in the
# ngspice_service worker (docs/features/ngspice-split/), and eeschema binds to
# the statically linked sharedspice CLIENT (wasm/stubs/sharedspice_client.cpp)
# in NGSPICE::init_dll()'s __EMSCRIPTEN__ branch.
if(EMSCRIPTEN OR NOT KICAD_SPICE)
message(STATUS "ngspice not available for WASM build (using header stub)")
message(STATUS "ngspice: WASM build uses the sharedspice client header stub")
# Set variables to indicate ngspice is "found" but disabled
# Set variables to indicate ngspice is "found"
set(ngspice_FOUND TRUE)
set(NGSPICE_FOUND TRUE)
# Point at our header-only stub at wasm/stubs/ngspice/sharedspice.h so
# eeschema's sim/ngspice.{h,cpp} can compile. The library link line stays
# empty — the simulator frame is never instantiated in WASM.
# Point at wasm/stubs/ngspice/sharedspice.h: the sharedspice types plus
# the pcbjam_ngSpice_* client declarations. The library link line stays
# empty — the engine lives in ngspice_service.wasm.
set(NGSPICE_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/../stubs")
set(NGSPICE_LIBRARY "")
set(NGSPICE_LIBRARIES "")