basic function working
This commit is contained in:
commit
7b36099ee2
GPG key ID:
34EB13FDD37BA306
5 changed files with 278 additions and 0 deletions
1
.gitignore
vendored
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1
.gitignore
vendored
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/target
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186
Cargo.lock
generated
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186
Cargo.lock
generated
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@ -0,0 +1,186 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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name = "anstream"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "824a212faf96e9acacdbd09febd34438f8f711fb84e09a8916013cd7815ca28d"
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dependencies = [
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"anstyle",
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"anstyle-parse",
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"anstyle-query",
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"anstyle-wincon",
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"colorchoice",
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"is_terminal_polyfill",
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"utf8parse",
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]
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[[package]]
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name = "anstyle"
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version = "1.0.14"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "940b3a0ca603d1eade50a4846a2afffd5ef57a9feac2c0e2ec2e14f9ead76000"
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[[package]]
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name = "anstyle-parse"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "52ce7f38b242319f7cabaa6813055467063ecdc9d355bbb4ce0c68908cd8130e"
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dependencies = [
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"utf8parse",
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]
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[[package]]
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name = "anstyle-query"
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version = "1.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
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dependencies = [
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"windows-sys",
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]
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[[package]]
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name = "anstyle-wincon"
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version = "3.0.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
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dependencies = [
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"anstyle",
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"once_cell_polyfill",
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"windows-sys",
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]
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[[package]]
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name = "brainhug-iss"
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version = "0.1.0"
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dependencies = [
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"clap",
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]
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[[package]]
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name = "clap"
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version = "4.6.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1ddb117e43bbf7dacf0a4190fef4d345b9bad68dfc649cb349e7d17d28428e51"
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dependencies = [
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"clap_builder",
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"clap_derive",
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]
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[[package]]
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name = "clap_builder"
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version = "4.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "714a53001bf66416adb0e2ef5ac857140e7dc3a0c48fb28b2f10762fc4b5069f"
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dependencies = [
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"anstream",
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"anstyle",
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"clap_lex",
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"strsim",
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]
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[[package]]
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name = "clap_derive"
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version = "4.6.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f2ce8604710f6733aa641a2b3731eaa1e8b3d9973d5e3565da11800813f997a9"
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dependencies = [
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"heck",
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"proc-macro2",
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"quote",
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"syn",
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]
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[[package]]
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name = "clap_lex"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
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[[package]]
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name = "colorchoice"
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version = "1.0.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
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[[package]]
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name = "heck"
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version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
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[[package]]
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name = "is_terminal_polyfill"
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version = "1.70.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
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[[package]]
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name = "once_cell_polyfill"
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version = "1.70.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
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[[package]]
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name = "proc-macro2"
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version = "1.0.106"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.45"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "41f2619966050689382d2b44f664f4bc593e129785a36d6ee376ddf37259b924"
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dependencies = [
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"proc-macro2",
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]
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[[package]]
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name = "strsim"
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version = "0.11.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
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[[package]]
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name = "syn"
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version = "2.0.117"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
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dependencies = [
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"proc-macro2",
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"quote",
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"unicode-ident",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.24"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e6e4313cd5fcd3dad5cafa179702e2b244f760991f45397d14d4ebf38247da75"
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[[package]]
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name = "utf8parse"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
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[[package]]
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name = "windows-link"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
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[[package]]
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name = "windows-sys"
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version = "0.61.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
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dependencies = [
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"windows-link",
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]
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7
Cargo.toml
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7
Cargo.toml
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[package]
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name = "brainhug-iss"
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version = "0.1.0"
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edition = "2024"
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[dependencies]
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clap = { version = "4.0", features = ["derive"] }
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3
README.md
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3
README.md
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@ -0,0 +1,3 @@
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# Brainhug ISS
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This is a project aiming to implement an instruction set simulator aimed to the brainhug ISA. An ISA implementing the Brainf*ck programming language at the ISA level.
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81
src/main.rs
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81
src/main.rs
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use clap::Parser;
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use std::fs::File;
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use std::io::prelude::*;
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#[derive(Parser, Debug)]
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#[command(author, version, about, long_about = None)]
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struct Args {
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#[arg(short, long)]
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program: String,
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#[arg(short, long)]
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input: String,
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#[arg(short, long)]
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output: Option<String>,
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}
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struct BrainhugCore {
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cells: [u8; 30000],
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pointer: u16,
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}
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fn main() {
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let args = Args::parse();
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let mut file = File::open(args.program).unwrap();
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let mut contents = String::new();
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file.read_to_string(&mut contents).unwrap();
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let mut chars : Vec<_> = contents.chars().collect();
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let mut file_read = File::open(args.input).unwrap();
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let mut contents_read = String::new();
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file_read.read_to_string(&mut contents_read).unwrap();
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let mut chars_read : Vec<_> = contents_read.chars().collect();
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let mut pc : usize = 0;
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let mut pointer : usize = 0;
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let mut cells = [0u8; 30000];
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let mut bracket_pairs = vec![None; chars.len()];
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let mut stack: Vec<usize> = Vec::new();
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for (i, &c) in chars.iter().enumerate() {
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if c == '[' {
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stack.push(i);
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} else if c == ']' {
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let open = stack.pop().unwrap();
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bracket_pairs[i] = Some(open);
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bracket_pairs[open] = Some(i);
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}
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}
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let mut readPointer : usize = 0;
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while pc < chars.len() {
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match chars[pc] {
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'>' => pointer = pointer + 1,
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'<' => pointer = pointer - 1,
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'+' => cells[pointer] = cells[pointer] + 1,
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'-' => cells[pointer] = cells[pointer] - 1,
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'.' => println!("{}", cells[pointer] as char),
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',' => {
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cells[pointer] = chars_read[readPointer] as u8;
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readPointer += 1;
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},
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'[' => {
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if cells[pointer] == 0 {
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pc = bracket_pairs[pc].unwrap();
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}
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},
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']' => {
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if cells[pointer] != 0 {
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pc = bracket_pairs[pc].unwrap();
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}
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},
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_ => {},
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}
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pc = pc + 1;
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}
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}
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