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Tutorial

Implementing a Domain-Specific Language (DSL) with LLVM and C++ 

cmake_minimum_required(VERSION 3.15)
project(MyDSL)

find_package(LLVM REQUIRED CONFIG)
message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")

include_directories(${LLVM_INCLUDE_DIRS})
add_definitions(${LLVM_DEFINITIONS})

set(SOURCE_FILES
    src/main.cpp
    src/Lexer.cpp
    src/Parser.cpp
    src/AST.cpp
    src/CodeGen.cpp
)

add_executable(mydsl ${SOURCE_FILES})
llvm_map_components_to_libnames(llvm_libs support core irreader nativecodegen)
target_link_libraries(mydsl ${llvm_libs})

For this tutorial, we’ll create a DSL for evaluating mathematical expressions. Our language will support:

Feb 12, 2025
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