From 5126c9ed83fe6169463566e74f966a4a63e57ca0 Mon Sep 17 00:00:00 2001
From: Sophie Forrest <git@sophieforrest.com>
Date: Fri, 30 Aug 2024 23:35:45 +1200
Subject: feat: initial commit of brainf interpreter

---
 src/main.rs | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 src/main.rs

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..5412735
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,125 @@
+#![allow(incomplete_features)]
+#![feature(async_fn_in_trait)]
+#![feature(custom_inner_attributes)]
+#![feature(lint_reasons)]
+#![feature(never_type)]
+#![feature(once_cell)]
+#![deny(clippy::complexity)]
+#![deny(clippy::nursery)]
+#![deny(clippy::pedantic)]
+#![deny(clippy::perf)]
+#![deny(clippy::suspicious)]
+#![deny(clippy::alloc_instead_of_core)]
+#![deny(clippy::as_underscore)]
+#![deny(clippy::clone_on_ref_ptr)]
+#![deny(clippy::create_dir)]
+#![warn(clippy::dbg_macro)]
+#![deny(clippy::default_numeric_fallback)]
+#![deny(clippy::default_union_representation)]
+#![deny(clippy::deref_by_slicing)]
+#![deny(clippy::empty_structs_with_brackets)]
+#![deny(clippy::exit)]
+#![deny(clippy::filetype_is_file)]
+#![deny(clippy::fn_to_numeric_cast)]
+#![deny(clippy::format_push_string)]
+#![deny(clippy::get_unwrap)]
+#![deny(clippy::if_then_some_else_none)]
+#![allow(
+	clippy::implicit_return,
+	reason = "returns should be done implicitly, not explicitly"
+)]
+#![deny(clippy::indexing_slicing)]
+#![deny(clippy::large_include_file)]
+#![deny(clippy::let_underscore_must_use)]
+#![deny(clippy::lossy_float_literal)]
+#![deny(clippy::map_err_ignore)]
+#![deny(clippy::mem_forget)]
+#![deny(clippy::missing_docs_in_private_items)]
+#![deny(clippy::missing_trait_methods)]
+#![deny(clippy::mod_module_files)]
+#![deny(clippy::multiple_inherent_impl)]
+#![deny(clippy::mutex_atomic)]
+#![deny(clippy::needless_return)]
+#![deny(clippy::non_ascii_literal)]
+#![deny(clippy::panic_in_result_fn)]
+#![deny(clippy::pattern_type_mismatch)]
+#![deny(clippy::rc_buffer)]
+#![deny(clippy::rc_mutex)]
+#![deny(clippy::rest_pat_in_fully_bound_structs)]
+#![deny(clippy::same_name_method)]
+#![deny(clippy::separated_literal_suffix)]
+#![deny(clippy::str_to_string)]
+#![deny(clippy::string_add)]
+#![deny(clippy::string_slice)]
+#![deny(clippy::string_to_string)]
+#![allow(
+	clippy::tabs_in_doc_comments,
+	reason = "tabs are preferred for this project"
+)]
+#![deny(clippy::try_err)]
+#![deny(clippy::undocumented_unsafe_blocks)]
+#![deny(clippy::unnecessary_self_imports)]
+#![deny(clippy::unneeded_field_pattern)]
+#![deny(clippy::unwrap_in_result)]
+#![deny(clippy::unwrap_used)]
+#![warn(clippy::use_debug)]
+#![deny(clippy::verbose_file_reads)]
+#![deny(clippy::wildcard_dependencies)]
+#![deny(clippy::wildcard_enum_match_arm)]
+#![deny(missing_copy_implementations)]
+#![deny(missing_debug_implementations)]
+#![deny(missing_docs)]
+#![deny(single_use_lifetimes)]
+#![deny(unsafe_code)]
+#![deny(unused)]
+
+//! Brainfuck RS
+//!
+//! Brainfuck interpreter written in Rust
+
+use std::path::PathBuf;
+
+use brainf_rs::utility::{execute_from_file, execute_from_str};
+use clap::{Parser, Subcommand};
+use miette::Context;
+
+/// Representation of command line application for the Brainfuck interpreter.
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+#[command(propagate_version = true)]
+struct App {
+	/// Subcommands supported by the Brainfuck interpreter
+	#[command(subcommand)]
+	command: Command,
+}
+
+/// Implementation of subcommands for the Brainfuck interpreter.
+#[derive(Subcommand)]
+enum Command {
+	/// Interprets Brainfuck code from a provided file.
+	File {
+		/// Path to the file to interpret with Brainfuck.
+		path: PathBuf,
+	},
+
+	/// Interprets Brainfuck code from a text input on the command line.
+	Text {
+		/// Text input to be interpreted as Brainfuck.
+		input: String,
+	},
+}
+
+fn main() -> miette::Result<()> {
+	let app = App::parse();
+
+	let mut tape = vec![0u8; 1024];
+
+	match app.command {
+		Command::File { ref path } => {
+			execute_from_file(path, &mut tape).wrap_err("when executing from file")?;
+		}
+		Command::Text { ref input } => execute_from_str(input, &mut tape)?,
+	};
+
+	Ok(())
+}
-- 
cgit 1.4.1