Add standalone core library with kimath and sexpr (Phase 2 Step 1)
Create standalone build system for KiCad's core computation libraries that compiles without wxWidgets, targeting both native and WebAssembly. Key additions: - wx_shim.h: ~250 lines replacing wx utilities with standard C++ - wxString class with Format() method - wxFFile for file I/O - wxASSERT, wxCHECK, wxFAIL_MSG macros - wxLog stubs - Stub headers: wx/debug.h, wx/log.h, wx/string.h, wx/file.h, etc. - config.h, advanced_config.h: Platform and triangulation config - CMakeLists.txt: Builds kimath, sexpr, clipper2, rtree Build results: - Native: libkimath.a (1.4MB), libsexpr.a, test passes - WASM: test_kimath.wasm (867KB), runs in Node.js Test verifies: - VECTOR2I, SEG, SHAPE_POLY_SET geometry operations - S-expression parsing of .kicad_pcb format 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Viktor Vaczi
parent
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commit
92faf7c082
17 changed files with 1068 additions and 0 deletions
177
core/CMakeLists.txt
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177
core/CMakeLists.txt
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cmake_minimum_required(VERSION 3.16)
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project(kicad_core VERSION 1.0 LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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# Path to KiCad source (submodule)
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set(KICAD_SOURCE "${CMAKE_SOURCE_DIR}/../kicad" CACHE PATH "Path to KiCad source")
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# Verify KiCad source exists
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if(NOT EXISTS "${KICAD_SOURCE}/libs/kimath")
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message(FATAL_ERROR "KiCad source not found at ${KICAD_SOURCE}")
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endif()
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message(STATUS "Using KiCad source at: ${KICAD_SOURCE}")
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# =============================================================================
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# Options
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# =============================================================================
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option(KICAD_CORE_VERBOSE "Enable verbose logging in core library" OFF)
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# =============================================================================
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# Clipper2 library (for polygon boolean operations)
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# =============================================================================
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set(CLIPPER2_DIR "${KICAD_SOURCE}/thirdparty/clipper2")
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add_library(clipper2 STATIC
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${CLIPPER2_DIR}/Clipper2Lib/src/clipper.engine.cpp
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${CLIPPER2_DIR}/Clipper2Lib/src/clipper.offset.cpp
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${CLIPPER2_DIR}/Clipper2Lib/src/clipper.rectclip.cpp
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)
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target_include_directories(clipper2 PUBLIC
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${CLIPPER2_DIR}/Clipper2Lib/include
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)
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target_compile_definitions(clipper2 PUBLIC USINGZ)
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# =============================================================================
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# RTree library (header-only spatial index)
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# =============================================================================
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add_library(rtree INTERFACE)
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target_include_directories(rtree INTERFACE
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${KICAD_SOURCE}/thirdparty/rtree
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)
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# =============================================================================
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# Core utilities library (minimal version without wx_stl_compat)
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# =============================================================================
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add_library(kicad_core_utils STATIC
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${KICAD_SOURCE}/libs/core/base64.cpp
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${KICAD_SOURCE}/libs/core/observable.cpp
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${KICAD_SOURCE}/libs/core/profile.cpp
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# Skip utf8.cpp and wx_stl_compat.cpp - they have heavy wx dependencies
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)
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target_include_directories(kicad_core_utils PUBLIC
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${KICAD_SOURCE}/libs/core/include
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${CMAKE_CURRENT_SOURCE_DIR}/include # For wx_shim.h
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)
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# =============================================================================
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# S-expression library (parser for .kicad_pcb files)
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# =============================================================================
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add_library(sexpr STATIC
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${KICAD_SOURCE}/libs/sexpr/sexpr.cpp
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${KICAD_SOURCE}/libs/sexpr/sexpr_parser.cpp
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)
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target_include_directories(sexpr PUBLIC
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${CMAKE_CURRENT_SOURCE_DIR}/include # wx_shim.h - FIRST!
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${KICAD_SOURCE}/libs/sexpr/include
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${KICAD_SOURCE}/libs/core/include
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)
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target_link_libraries(sexpr PUBLIC kicad_core_utils)
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# =============================================================================
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# KiMath library (geometry and math)
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# =============================================================================
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set(KIMATH_SRCS
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${KICAD_SOURCE}/libs/kimath/src/bezier_curves.cpp
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${KICAD_SOURCE}/libs/kimath/src/convert_basic_shapes_to_polygon.cpp
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${KICAD_SOURCE}/libs/kimath/src/md5_hash.cpp
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${KICAD_SOURCE}/libs/kimath/src/transform.cpp
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${KICAD_SOURCE}/libs/kimath/src/trigo.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/corner_operations.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/distribute.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/eda_angle.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/ellipse.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/circle.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/convex_hull.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/direction_45.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/geometry_utils.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/half_line.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/intersection.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/line.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/nearest.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/oval.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/roundrect.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/seg.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_arc.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_collisions.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_compound.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_file_io.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_line_chain.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_nearest_points.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_poly_set.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_rect.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_segment.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/vector_utils.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/shape_utils.cpp
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${KICAD_SOURCE}/libs/kimath/src/geometry/vertex_set.cpp
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${KICAD_SOURCE}/libs/kimath/src/math/vector2.cpp
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${KICAD_SOURCE}/libs/kimath/src/math/util.cpp
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)
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add_library(kimath STATIC ${KIMATH_SRCS})
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target_include_directories(kimath PUBLIC
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${CMAKE_CURRENT_SOURCE_DIR}/include # wx_shim.h and wx/ stubs - FIRST!
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${KICAD_SOURCE}/libs/kimath/include
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${KICAD_SOURCE}/libs/core/include
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${KICAD_SOURCE}/include # Main KiCad includes (units, etc.)
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)
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target_link_libraries(kimath PUBLIC
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kicad_core_utils
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clipper2
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rtree
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)
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# Define KICAD_CORE_ONLY to enable any conditional compilation
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target_compile_definitions(kimath PRIVATE
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KICAD_CORE_ONLY=1
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)
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if(KICAD_CORE_VERBOSE)
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target_compile_definitions(kimath PRIVATE KICAD_CORE_VERBOSE=1)
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endif()
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# =============================================================================
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# Combined kicad_core library
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# =============================================================================
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add_library(kicad_core INTERFACE)
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target_link_libraries(kicad_core INTERFACE
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kimath
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sexpr
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kicad_core_utils
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clipper2
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rtree
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)
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# =============================================================================
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# Test executable (optional)
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# =============================================================================
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option(BUILD_TESTS "Build test executables" ON)
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if(BUILD_TESTS)
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add_executable(test_kimath
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${CMAKE_CURRENT_SOURCE_DIR}/src/test_kimath.cpp
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)
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target_link_libraries(test_kimath PRIVATE kimath sexpr)
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endif()
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# =============================================================================
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# Summary
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# =============================================================================
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message(STATUS "")
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message(STATUS "kicad_core configuration:")
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message(STATUS " KiCad source: ${KICAD_SOURCE}")
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message(STATUS " Verbose logging: ${KICAD_CORE_VERBOSE}")
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message(STATUS " Build tests: ${BUILD_TESTS}")
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message(STATUS "")
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