forked from M-Labs/nac3
80 lines
2.3 KiB
Rust
80 lines
2.3 KiB
Rust
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extern crate inkwell;
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extern crate rustpython_parser;
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use rustpython_parser::parser;
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use inkwell::OptimizationLevel;
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use inkwell::builder::Builder;
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use inkwell::context::Context;
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use inkwell::module::Module;
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use inkwell::targets::*;
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use inkwell::passes::PassManager;
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use std::error::Error;
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use std::path::Path;
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struct CodeGen<'ctx> {
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context: &'ctx Context,
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module: Module<'ctx>,
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builder: Builder<'ctx>
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}
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impl<'ctx> CodeGen<'ctx> {
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fn compile_sum(&self) {
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let i64_type = self.context.i64_type();
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let fn_type = i64_type.fn_type(&[i64_type.into(), i64_type.into(), i64_type.into()], false);
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let function = self.module.add_function("sum", fn_type, None);
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let basic_block = self.context.append_basic_block(function, "entry");
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self.builder.position_at_end(basic_block);
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let x = function.get_nth_param(0).unwrap().into_int_value();
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let y = function.get_nth_param(1).unwrap().into_int_value();
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let z = function.get_nth_param(2).unwrap().into_int_value();
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let sum = self.builder.build_int_add(x, y, "sum");
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let sum = self.builder.build_int_add(sum, z, "sum");
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self.builder.build_return(Some(&sum));
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Target::initialize_all(&InitializationConfig::default());
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//let triple = TargetMachine::get_default_triple();
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let triple = TargetTriple::create("riscv32-none-linux-gnu");
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let target = Target::from_triple(&triple)
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.expect("couldn't create target from target triple");
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let target_machine = target
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.create_target_machine(
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&triple,
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"",
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"",
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OptimizationLevel::Default,
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RelocMode::Default,
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CodeModel::Default,
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)
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.expect("couldn't create target machine");
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target_machine
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.write_to_file(&self.module, FileType::Object, Path::new("test.o"))
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.expect("couldn't write module to file");
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}
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}
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fn main() -> Result<(), Box<dyn Error>> {
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let context = Context::create();
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let module = context.create_module("sum");
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let codegen = CodeGen {
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context: &context,
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module,
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builder: context.create_builder(),
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};
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codegen.compile_sum();
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let x = parser::parse_program("def foo(x: int): print('abc')");
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println!("{:?}", x);
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Ok(())
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}
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