75 lines
1.9 KiB
Rust
75 lines
1.9 KiB
Rust
#![forbid(unsafe_code)]
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#![warn(clippy::all)]
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mod args;
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mod compiler;
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mod errors;
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mod file_io;
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mod parser;
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mod vm;
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use file_io::open_file;
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use std::path::Path;
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use args::*;
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use compiler::{CompiledReid, Compiler};
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use parser::Parser;
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use vm::{
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BuiltinFunctionDef, BuiltinFunctions, FunctionSignature, Value, VariableType, VirtualMachine,
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};
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// cargo run c_run reid_src/test.reid for previous functionality
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fn main() {
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let print = BuiltinFunctionDef::new(
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"print",
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vec![VariableType::TypeString],
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Box::new(move |args| {
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if let Value::StringVal(string) = &args[0] {
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println!("{}", string);
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}
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}),
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);
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let builtin_functions = BuiltinFunctions(vec![print]);
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let opt: MainOpt = argh::from_env();
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match opt.subcommand {
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Subcommand::Compile(_) => {}
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Subcommand::Run(_) => {}
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Subcommand::CompileAndRun(c_run) => {
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let path = Path::new(&c_run.source);
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let compiled = compile(path, builtin_functions.signatures());
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run(compiled, builtin_functions);
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}
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}
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}
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fn compile(path: &Path, builtin: Vec<FunctionSignature>) -> CompiledReid {
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let parsed = Parser::from(open_file(&path).ok().unwrap()).parse();
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if let Err(error) = parsed {
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eprintln!("Syntax error: {}", error);
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std::process::exit(1);
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}
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dbg!(&parsed);
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let compiled = Compiler::from(parsed.unwrap())
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.with_builtin_functions(builtin)
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.compile();
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if let Err(error) = compiled {
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eprintln!("Compilation error: {}", error);
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std::process::exit(1);
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}
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dbg!(&compiled);
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compiled.unwrap()
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}
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fn run(reid: CompiledReid, builtin: BuiltinFunctions) {
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let mut vm = VirtualMachine::from(reid);
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vm.add_builtin_functions(builtin);
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if let Err(error) = vm.run() {
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eprintln!("Runtime panic: {:#?}", error);
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std::process::exit(1);
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}
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}
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