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use std::path::{Path, PathBuf};
use std::process::Command;
use anyhow::Result;
use structopt::StructOpt;
use subplot::{generate_test_program, resource, template_spec, Style, SubplotError, TemplateSpec};
mod cli;
fn main() -> Result<()> {
let opt = Opt::from_args();
opt.resources.handle();
let mut doc = cli::load_document(&opt.filename, Style::default())?;
doc.lint()?;
if !doc.check_named_files_exist()? {
eprintln!("Unable to continue");
std::process::exit(1);
}
let spec = template_spec(&doc)?;
generate_test_program(&mut doc, &spec, &opt.output)?;
if opt.run && !run(&spec, &opt.output)? {
eprintln!("Test program failed.");
std::process::exit(1);
}
Ok(())
}
// Define the command line arguments.
#[derive(Debug, StructOpt)]
#[structopt(name = "codegen", about = "Subplot code generator.")]
struct Opt {
// Input filename.
#[structopt(parse(from_os_str))]
filename: PathBuf,
// Write generated test program to this file.
#[structopt(
long,
short,
parse(from_os_str),
help = "Writes generated test program to FILE"
)]
output: PathBuf,
// Run the generated test program after writing it?
#[structopt(long, short, help = "Runs generated test program")]
run: bool,
#[structopt(flatten)]
resources: resource::ResourceOpts,
}
fn run(spec: &TemplateSpec, filename: &Path) -> subplot::Result<bool> {
let run = match spec.run() {
None => return Err(SubplotError::TemplateNoRun),
Some(x) => x,
};
let status = Command::new(run).arg(filename).status()?;
Ok(status.success())
}
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