nexoniarz/Finch
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Windows support (wip): target layer, Microsoft x64 ABI, portable runtime, CI

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Nexoniarz 2026-10-08 20:46:51 +02:00
commit 84cbbb3e16
18 changed files with 481 additions and 94 deletions
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19
CMakeLists.txt
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@ -17,13 +17,24 @@ add_executable(finch
src/codegen_builtins.cpp
src/abi.cpp
src/cimport.cpp
src/target.cpp
)
# The runtime (runtime/finch_rt.c) is embedded into the compiler as a string;
# finch compiles it once into ~/.cache/finch and links it into every program.
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${CMAKE_SOURCE_DIR}/runtime/finch_rt.c)
# (written as several raw string pieces: MSVC limits one literal to 16 KB)
file(READ ${CMAKE_SOURCE_DIR}/runtime/finch_rt.c FINCH_RT_SOURCE)
file(WRITE ${CMAKE_BINARY_DIR}/rt_source.inc "static const char *kRuntimeSource = R\"FINCHRT(${FINCH_RT_SOURCE})FINCHRT\";\n")
string(LENGTH "${FINCH_RT_SOURCE}" FINCH_RT_LENGTH)
set(FINCH_RT_INC "static const char *kRuntimeSource =\n")
set(FINCH_RT_POS 0)
while(FINCH_RT_POS LESS FINCH_RT_LENGTH)
string(SUBSTRING "${FINCH_RT_SOURCE}" ${FINCH_RT_POS} 8000 FINCH_RT_PIECE)
string(APPEND FINCH_RT_INC "R\"FINCHRT(${FINCH_RT_PIECE})FINCHRT\"\n")
math(EXPR FINCH_RT_POS "${FINCH_RT_POS} + 8000")
endwhile()
string(APPEND FINCH_RT_INC ";\n")
file(WRITE ${CMAKE_BINARY_DIR}/rt_source.inc "${FINCH_RT_INC}")
target_include_directories(finch PRIVATE ${CMAKE_BINARY_DIR})
# libclang reads C headers for `import "stdio.h"`
@ -35,7 +46,11 @@ endif()
target_include_directories(finch SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS} ${LIBCLANG_INCLUDE})
target_compile_definitions(finch PRIVATE ${LLVM_DEFINITIONS} FINCH_VERSION="${PROJECT_VERSION}")
target_compile_options(finch PRIVATE -Wall -Wextra)
if(MSVC)
target_compile_options(finch PRIVATE /W3 /utf-8 /EHsc /wd4244 /wd4267 /wd4146 /wd4624)
else()
target_compile_options(finch PRIVATE -Wall -Wextra)
endif()
# Link the one shared libLLVM when available: libclang uses it too, and two copies
# of LLVM in one process crash on exit.