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Imp Code Generator

A simple compiler for the IMP programming language

Team

  • Alecto Perez
  • Jorge Loredo
  • David Arredondo

Languages

  • C++
  • Python

How to build the project (including dependencies):

  1. Make sure gcc-11 is installed https://www.linuxfromscratch.org/blfs/view/svn/general/gcc.html
  2. Make sure python 3.9 is installed
  3. Make sure CMake version 3.21 or above is installed (you need a version of CMake that supports CMake Presets)

Run:

cmake --preset=build && cmake --build build

This will attempt to use system version of libraries. If the build fails, you can alternatively have CMake download and build with the newest version of these libraries by passing -DALWAYS_FETCH=ON:

cmake -DALWAYS_FETCH=ON --preset=build && cmake --build build

Once the assembler is built, you can build all the programs in the programs/ directory by first compiling them to the intermediate representation, then running the riscv compiler to convert them to riscv:

for file in programs/*.imp; do
    build/assembler $file     \
        1> ${file%.imp}.ins   \
        2> ${file%.imp}.vars
    riscv/print_risc.py ${file} \
        --constant_folding      \
        --dead_code_elim        \
        --register_allocation > ${file%.imp}.asm
done

This will produce a RISC-V assembly file for every program in the programs folder. Optimizations can be enabled or disabled by adding or removing the above flags. To see all flags, run riscv/print_risc.py.