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Author SHA1 Message Date
Araozu f6c1664816 Minimal CLI command & options parsing 2023-12-12 20:49:39 -05:00
Araozu 6399bd338c Remove clap & colored 2023-12-10 20:32:20 -05:00
8 changed files with 133 additions and 406 deletions

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@ -26,7 +26,7 @@
- [ ] Compile a single file
- [ ] Implement code generation for ast nodes implemented as of now
- [ ] Display error messages during compilation
- [ ] Improve errro messages
- [ ] Improve errror messages

356
Cargo.lock generated
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@ -2,360 +2,6 @@
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version = "0.0.9"

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@ -1,11 +1,9 @@
[package]
name = "thp"
version = "0.0.7"
version = "0.0.9"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
clap = { version = "4.1.3", features = ["derive"] }
colored = "2.0.0"

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@ -1,4 +1,4 @@
The THP compiler & formatter, v0.0.1
The THP compiler, linter & formatter, v0.0.1
Usage: `thp [command] [options]`
@ -11,7 +11,7 @@ r Starts the REPL
init Initializes a new project in the current directory
build, b Builds the project
fmt Formats all files in the project
watch Starts compilation of the project in watch mode
watch, w Starts compilation of the project in watch mode
help, h Print this message & exit

7
src/cli/help.rs Normal file
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@ -0,0 +1,7 @@
use crate::cli::HELP_TEXT;
pub fn help_command(options: &Vec<String>) {
println!("{}", HELP_TEXT);
}

86
src/cli/mod.rs Normal file
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@ -0,0 +1,86 @@
mod help;
mod types;
use types::{Command, CommandType};
pub const HELP_TEXT: &str = r#"
Usage: `thp [command] [options]`
Commands
c _file_ Compiles `file` in-place
f _file_ Formats `file`
r Starts the REPL
init Initializes a new project in the current directory
build Builds the project
fmt Formats all files in the project
watch, w Starts compilation of the project in watch mode
help, h Print this message & exit
General options
-h, --help Print command-specific usage
"#;
fn get_copyright() -> String {
let crate_version = env!("CARGO_PKG_VERSION");
format!("The THP compiler, linter & formatter, v{}", crate_version)
}
pub fn run_cli() {
let command = match parse_args() {
Ok(c) => c,
Err(reason) => {
println!("{}", HELP_TEXT);
println!("Error: {}", reason);
return;
},
};
command.run();
}
fn parse_args() -> Result<Command, String> {
let mut args = std::env::args().collect::<Vec<String>>();
args.remove(0);
let mut args = args.into_iter();
let command = match args.next() {
Some(command) if !command.starts_with('-') => Some(command),
_ => None,
};
let mut options = Vec::new();
for arg in args {
if arg.starts_with('-') {
options.push(arg);
} else {
return Err(format!(
"Unexpected command `{}` after the options",
arg
));
}
}
let command = match command {
Some(command) => match command.as_str() {
"c" | "compile" => CommandType::Compile,
"f" | "format" => CommandType::Format,
"r" | "repl" => CommandType::Repl,
"init" => CommandType::Init,
"build" => CommandType::Build,
"fmt" => CommandType::Fmt,
"watch" | "w" => CommandType::Watch,
"help" | "h" => CommandType::Help,
_ => return Err(format!("Unknown command: {}", command)),
},
None => CommandType::None,
};
Ok(Command { command, options })
}

32
src/cli/types.rs Normal file
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@ -0,0 +1,32 @@
#[derive(Debug)]
pub struct Command {
pub command: CommandType,
pub options: Vec<String>,
}
#[derive(Debug)]
pub enum CommandType {
Compile,
Format,
Repl,
Init,
Build,
Fmt,
Watch,
Help,
None,
}
impl Command {
pub fn run(&self) {
println!("Running command! {:?}", self);
self.command.run(&self.options);
}
}
impl CommandType {
pub fn run(&self, options: &Vec<String>) {
println!("Running command! {:?}", self)
}
}

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@ -1,4 +1,5 @@
use clap::{Parser, Subcommand};
// Module to handle the CLI
mod cli;
// Module to handle the repl and its compilation
mod repl;
@ -14,49 +15,6 @@ mod utils;
mod error_handling;
#[derive(Parser)]
#[command(author, version, about, long_about = None)]
struct Cli {
#[command(subcommand)]
command: Option<Commands>,
}
#[derive(Subcommand)]
enum Commands {
/// Compiles a single file
C {
/// File to compile
file: String,
},
/// Starts the REPL
R {},
}
fn get_copyright() -> String {
let crate_version = env!("CARGO_PKG_VERSION");
format!(
"THP {}\nCopyright (c) 2023 Fernando Enrique Araoz Morales\n",
crate_version,
)
}
/// # Misti
///
/// Usage:
/// - `misti` : Starts the compiler in watch mode
/// - `misti w, --watch, -w` : Starts the compiler in watch mode
/// - `misti c FILE` : Compiles FILE and writes the result in the same directory
fn main() {
let cli = Cli::parse();
match &cli.command {
Some(Commands::C { file: input }) => file::compile_file(input),
Some(Commands::R {}) => {
println!("{}", get_copyright());
let _ = repl::run();
}
None => {
println!("Compile in watch mode: Not implemented")
}
}
cli::run_cli();
}