commit 21fc3cf3e80c1215806fd8220d22ab628ea63ad7 Author: Sebastien Bourdeauducq Date: Mon Mar 23 16:12:52 2020 +0800 quick and dirty demo of python parsing and llvm output diff --git a/.gitignore b/.gitignore new file mode 100644 index 000000000..ea8c4bf7f --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 000000000..9ddf54ef0 --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,954 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "aho-corasick" +version = "0.7.10" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8716408b8bc624ed7f65d223ddb9ac2d044c0547b6fa4b0d554f3a9540496ada" +dependencies = [ + "memchr", +] + +[[package]] +name = "arrayref" +version = "0.3.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544" + +[[package]] +name = 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"master" } diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 000000000..465aa1032 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,79 @@ +extern crate inkwell; +extern crate rustpython_parser; + +use rustpython_parser::parser; + +use inkwell::OptimizationLevel; +use inkwell::builder::Builder; +use inkwell::context::Context; +use inkwell::module::Module; +use inkwell::targets::*; +use inkwell::passes::PassManager; + +use std::error::Error; +use std::path::Path; + +struct CodeGen<'ctx> { + context: &'ctx Context, + module: Module<'ctx>, + builder: Builder<'ctx> +} + +impl<'ctx> CodeGen<'ctx> { + fn compile_sum(&self) { + let i64_type = self.context.i64_type(); + let fn_type = i64_type.fn_type(&[i64_type.into(), i64_type.into(), i64_type.into()], false); + let function = self.module.add_function("sum", fn_type, None); + let basic_block = self.context.append_basic_block(function, "entry"); + + self.builder.position_at_end(basic_block); + + let x = function.get_nth_param(0).unwrap().into_int_value(); + let y = function.get_nth_param(1).unwrap().into_int_value(); + let z = function.get_nth_param(2).unwrap().into_int_value(); + + let sum = self.builder.build_int_add(x, y, "sum"); + let sum = self.builder.build_int_add(sum, z, "sum"); + + self.builder.build_return(Some(&sum)); + + Target::initialize_all(&InitializationConfig::default()); + + //let triple = TargetMachine::get_default_triple(); + let triple = TargetTriple::create("riscv32-none-linux-gnu"); + let target = Target::from_triple(&triple) + .expect("couldn't create target from target triple"); + + let target_machine = target + .create_target_machine( + &triple, + "", + "", + OptimizationLevel::Default, + RelocMode::Default, + CodeModel::Default, + ) + .expect("couldn't create target machine"); + + target_machine + .write_to_file(&self.module, FileType::Object, Path::new("test.o")) + .expect("couldn't write module to file"); + } +} + + +fn main() -> Result<(), Box> { + let context = Context::create(); + let module = context.create_module("sum"); + let codegen = CodeGen { + context: &context, + module, + builder: context.create_builder(), + }; + codegen.compile_sum(); + + let x = parser::parse_program("def foo(x: int): print('abc')"); + println!("{:?}", x); + + Ok(()) +}