945 lines
18 KiB
Rust
945 lines
18 KiB
Rust
use crate::common::*;
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#[derive(Debug, PartialEq)]
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pub(crate) struct Justfile<'src> {
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pub(crate) recipes: Table<'src, Rc<Recipe<'src>>>,
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pub(crate) assignments: Table<'src, Assignment<'src>>,
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pub(crate) aliases: Table<'src, Alias<'src>>,
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pub(crate) settings: Settings<'src>,
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pub(crate) warnings: Vec<Warning>,
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}
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impl<'src> Justfile<'src> {
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pub(crate) fn first(&self) -> Option<&Recipe> {
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let mut first: Option<&Recipe<Dependency>> = None;
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for recipe in self.recipes.values() {
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if let Some(first_recipe) = first {
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if recipe.line_number() < first_recipe.line_number() {
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first = Some(recipe)
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}
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} else {
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first = Some(recipe);
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}
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}
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first
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}
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pub(crate) fn count(&self) -> usize {
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self.recipes.len()
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}
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pub(crate) fn suggest(&self, input: &str) -> Option<Suggestion> {
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let mut suggestions = self
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.recipes
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.keys()
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.map(|name| {
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(edit_distance(name, input), Suggestion {
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name,
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target: None,
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})
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})
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.chain(self.aliases.iter().map(|(name, alias)| {
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(edit_distance(name, input), Suggestion {
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name,
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target: Some(alias.target.name.lexeme()),
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})
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}))
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.filter(|(distance, _suggestion)| distance < &3)
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.collect::<Vec<(usize, Suggestion)>>();
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suggestions.sort_by_key(|(distance, _suggestion)| *distance);
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suggestions
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.into_iter()
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.map(|(_distance, suggestion)| suggestion)
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.next()
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}
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pub(crate) fn run<'run>(
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&'run self,
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config: &'run Config,
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search: &'run Search,
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overrides: &'run BTreeMap<String, String>,
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arguments: &'run [String],
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) -> RunResult<'run, ()> {
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let unknown_overrides = overrides
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.keys()
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.filter(|name| !self.assignments.contains_key(name.as_str()))
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.map(String::as_str)
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.collect::<Vec<&str>>();
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if !unknown_overrides.is_empty() {
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return Err(RuntimeError::UnknownOverrides {
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overrides: unknown_overrides,
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});
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}
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let dotenv = if config.load_dotenv {
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load_dotenv(&config, &self.settings, &search.working_directory)?
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} else {
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BTreeMap::new()
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};
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let scope = {
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let mut scope = Scope::new();
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let mut unknown_overrides = Vec::new();
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for (name, value) in overrides {
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if let Some(assignment) = self.assignments.get(name) {
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scope.bind(assignment.export, assignment.name, value.clone());
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} else {
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unknown_overrides.push(name.as_ref());
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}
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}
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if !unknown_overrides.is_empty() {
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return Err(RuntimeError::UnknownOverrides {
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overrides: unknown_overrides,
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});
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}
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Evaluator::evaluate_assignments(
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&self.assignments,
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config,
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&dotenv,
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scope,
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&self.settings,
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search,
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)?
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};
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if let Subcommand::Evaluate { .. } = config.subcommand {
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let mut width = 0;
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for name in scope.names() {
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width = cmp::max(name.len(), width);
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}
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for binding in scope.bindings() {
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println!(
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"{0:1$} := \"{2}\"",
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binding.name.lexeme(),
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width,
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binding.value
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);
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}
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return Ok(());
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}
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let argvec: Vec<&str> = if !arguments.is_empty() {
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arguments.iter().map(String::as_str).collect()
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} else if let Some(recipe) = self.first() {
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let min_arguments = recipe.min_arguments();
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if min_arguments > 0 {
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return Err(RuntimeError::DefaultRecipeRequiresArguments {
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recipe: recipe.name.lexeme(),
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min_arguments,
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});
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}
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vec![recipe.name()]
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} else {
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return Err(RuntimeError::NoRecipes);
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};
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let arguments = argvec.as_slice();
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let mut missing = vec![];
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let mut grouped = vec![];
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let mut rest = arguments;
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while let Some((argument, mut tail)) = rest.split_first() {
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if let Some(recipe) = self.get_recipe(argument) {
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if recipe.parameters.is_empty() {
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grouped.push((recipe, &[][..]));
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} else {
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let argument_range = recipe.argument_range();
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let argument_count = cmp::min(tail.len(), recipe.max_arguments());
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if !argument_range.range_contains(&argument_count) {
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return Err(RuntimeError::ArgumentCountMismatch {
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recipe: recipe.name(),
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parameters: recipe.parameters.iter().collect(),
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found: tail.len(),
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min: recipe.min_arguments(),
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max: recipe.max_arguments(),
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});
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}
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grouped.push((recipe, &tail[0..argument_count]));
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tail = &tail[argument_count..];
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}
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} else {
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missing.push(*argument);
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}
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rest = tail;
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}
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if !missing.is_empty() {
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let suggestion = if missing.len() == 1 {
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self.suggest(missing.first().unwrap())
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} else {
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None
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};
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return Err(RuntimeError::UnknownRecipes {
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recipes: missing,
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suggestion,
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});
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}
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let context = RecipeContext {
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settings: &self.settings,
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config,
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scope,
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search,
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};
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let mut ran = BTreeSet::new();
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for (recipe, arguments) in grouped {
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self.run_recipe(&context, recipe, arguments, &dotenv, &search, &mut ran)?
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}
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Ok(())
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}
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pub(crate) fn get_alias(&self, name: &str) -> Option<&Alias> {
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self.aliases.get(name)
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}
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pub(crate) fn get_recipe(&self, name: &str) -> Option<&Recipe<'src>> {
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if let Some(recipe) = self.recipes.get(name) {
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Some(recipe)
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} else if let Some(alias) = self.aliases.get(name) {
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Some(alias.target.as_ref())
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} else {
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None
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}
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}
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fn run_recipe<'run>(
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&self,
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context: &'run RecipeContext<'src, 'run>,
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recipe: &Recipe<'src>,
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arguments: &[&'run str],
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dotenv: &BTreeMap<String, String>,
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search: &'run Search,
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ran: &mut BTreeSet<Vec<String>>,
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) -> RunResult<'src, ()> {
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let outer = Evaluator::evaluate_parameters(
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context.config,
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dotenv,
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&recipe.parameters,
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arguments,
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&context.scope,
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context.settings,
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search,
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)?;
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let scope = outer.child();
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let mut evaluator =
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Evaluator::recipe_evaluator(context.config, dotenv, &scope, context.settings, search);
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for Dependency { recipe, arguments } in &recipe.dependencies {
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let mut invocation = vec![recipe.name().to_owned()];
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for argument in arguments {
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invocation.push(evaluator.evaluate_expression(argument)?);
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}
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if !ran.contains(&invocation) {
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let arguments = invocation
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.iter()
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.skip(1)
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.map(String::as_ref)
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.collect::<Vec<&str>>();
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self.run_recipe(context, recipe, &arguments, dotenv, search, ran)?;
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}
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}
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recipe.run(context, dotenv, scope.child(), search)?;
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let mut invocation = vec![recipe.name().to_owned()];
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for argument in arguments.iter().cloned() {
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invocation.push(argument.to_owned());
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}
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ran.insert(invocation);
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Ok(())
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}
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pub(crate) fn public_recipes(&self, source_order: bool) -> Vec<&Recipe<Dependency>> {
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let mut recipes = self
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.recipes
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.values()
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.map(AsRef::as_ref)
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.filter(|recipe| recipe.public())
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.collect::<Vec<&Recipe<Dependency>>>();
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if source_order {
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recipes.sort_by_key(|recipe| recipe.name.offset);
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}
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recipes
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}
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}
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impl<'src> Display for Justfile<'src> {
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fn fmt(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
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let mut items = self.recipes.len() + self.assignments.len() + self.aliases.len();
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for (name, assignment) in &self.assignments {
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if assignment.export {
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write!(f, "export ")?;
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}
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write!(f, "{} := {}", name, assignment.value)?;
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items -= 1;
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if items != 0 {
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write!(f, "\n\n")?;
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}
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}
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for alias in self.aliases.values() {
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write!(f, "{}", alias)?;
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items -= 1;
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if items != 0 {
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write!(f, "\n\n")?;
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}
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}
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for recipe in self.recipes.values() {
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write!(f, "{}", recipe)?;
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items -= 1;
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if items != 0 {
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write!(f, "\n\n")?;
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}
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}
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Ok(())
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use testing::compile;
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use RuntimeError::*;
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run_error! {
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name: unknown_recipes,
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src: "a:\nb:\nc:",
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args: ["a", "x", "y", "z"],
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error: UnknownRecipes {
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recipes,
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suggestion,
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},
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check: {
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assert_eq!(recipes, &["x", "y", "z"]);
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assert_eq!(suggestion, None);
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}
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}
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run_error! {
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name: unknown_recipes_show_alias_suggestion,
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src: "
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foo:
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echo foo
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alias z := foo
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",
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args: ["zz"],
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error: UnknownRecipes {
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recipes,
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suggestion,
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},
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check: {
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assert_eq!(recipes, &["zz"]);
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assert_eq!(suggestion, Some(Suggestion {
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name: "z",
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target: Some("foo"),
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}
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));
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}
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}
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// This test exists to make sure that shebang recipes run correctly. Although
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// this script is still executed by a shell its behavior depends on the value of
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// a variable and continuing even though a command fails, whereas in plain
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// recipes variables are not available in subsequent lines and execution stops
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// when a line fails.
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run_error! {
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name: run_shebang,
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src: "
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a:
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#!/usr/bin/env sh
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code=200
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x() { return $code; }
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x
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x
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",
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args: ["a"],
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error: Code {
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recipe,
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line_number,
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code,
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},
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check: {
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assert_eq!(recipe, "a");
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assert_eq!(code, 200);
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assert_eq!(line_number, None);
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}
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}
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run_error! {
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name: code_error,
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src: "
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fail:
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@exit 100
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",
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args: ["fail"],
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error: Code {
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recipe,
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line_number,
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code,
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},
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check: {
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assert_eq!(recipe, "fail");
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assert_eq!(code, 100);
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assert_eq!(line_number, Some(2));
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}
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}
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run_error! {
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name: run_args,
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src: r#"
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a return code:
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@x() { {{return}} {{code + "0"}}; }; x
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"#,
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args: ["a", "return", "15"],
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error: Code {
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recipe,
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line_number,
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code,
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},
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check: {
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assert_eq!(recipe, "a");
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assert_eq!(code, 150);
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assert_eq!(line_number, Some(2));
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}
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}
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run_error! {
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name: missing_some_arguments,
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src: "a b c d:",
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args: ["a", "b", "c"],
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error: ArgumentCountMismatch {
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recipe,
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parameters,
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found,
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min,
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max,
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},
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check: {
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let param_names = parameters
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.iter()
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.map(|p| p.name.lexeme())
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.collect::<Vec<&str>>();
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assert_eq!(recipe, "a");
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assert_eq!(param_names, ["b", "c", "d"]);
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assert_eq!(found, 2);
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assert_eq!(min, 3);
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assert_eq!(max, 3);
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}
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}
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run_error! {
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name: missing_some_arguments_variadic,
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src: "a b c +d:",
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args: ["a", "B", "C"],
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error: ArgumentCountMismatch {
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recipe,
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parameters,
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found,
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min,
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max,
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},
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check: {
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let param_names = parameters
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.iter()
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.map(|p| p.name.lexeme())
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.collect::<Vec<&str>>();
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assert_eq!(recipe, "a");
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assert_eq!(param_names, ["b", "c", "d"]);
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assert_eq!(found, 2);
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assert_eq!(min, 3);
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assert_eq!(max, usize::MAX - 1);
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}
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}
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run_error! {
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name: missing_all_arguments,
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src: "a b c d:\n echo {{b}}{{c}}{{d}}",
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args: ["a"],
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error: ArgumentCountMismatch {
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recipe,
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parameters,
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found,
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min,
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max,
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},
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check: {
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let param_names = parameters
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.iter()
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.map(|p| p.name.lexeme())
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.collect::<Vec<&str>>();
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assert_eq!(recipe, "a");
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assert_eq!(param_names, ["b", "c", "d"]);
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assert_eq!(found, 0);
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assert_eq!(min, 3);
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assert_eq!(max, 3);
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}
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}
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run_error! {
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name: missing_some_defaults,
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src: "a b c d='hello':",
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args: ["a", "b"],
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error: ArgumentCountMismatch {
|
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recipe,
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parameters,
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found,
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min,
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max,
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},
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check: {
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let param_names = parameters
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.iter()
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.map(|p| p.name.lexeme())
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.collect::<Vec<&str>>();
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assert_eq!(recipe, "a");
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assert_eq!(param_names, ["b", "c", "d"]);
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assert_eq!(found, 1);
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assert_eq!(min, 2);
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assert_eq!(max, 3);
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}
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}
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|
|
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run_error! {
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name: missing_all_defaults,
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src: "a b c='r' d='h':",
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args: ["a"],
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error: ArgumentCountMismatch {
|
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recipe,
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parameters,
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found,
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min,
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max,
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},
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check: {
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let param_names = parameters
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.iter()
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.map(|p| p.name.lexeme())
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.collect::<Vec<&str>>();
|
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assert_eq!(recipe, "a");
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assert_eq!(param_names, ["b", "c", "d"]);
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assert_eq!(found, 0);
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assert_eq!(min, 1);
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assert_eq!(max, 3);
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}
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}
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|
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run_error! {
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name: unknown_overrides,
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src: "
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a:
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echo {{`f() { return 100; }; f`}}
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",
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args: ["foo=bar", "baz=bob", "a"],
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error: UnknownOverrides { overrides },
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check: {
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assert_eq!(overrides, &["baz", "foo"]);
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}
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}
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|
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run_error! {
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name: export_failure,
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src: r#"
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export foo := "a"
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baz := "c"
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export bar := "b"
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export abc := foo + bar + baz
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|
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wut:
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echo $foo $bar $baz
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"#,
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args: ["--quiet", "wut"],
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error: Code {
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code: _,
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line_number,
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recipe,
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},
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check: {
|
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assert_eq!(recipe, "wut");
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assert_eq!(line_number, Some(7));
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}
|
|
}
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|
|
macro_rules! test {
|
|
($name:ident, $input:expr, $expected:expr $(,)*) => {
|
|
#[test]
|
|
fn $name() {
|
|
test($input, $expected);
|
|
}
|
|
};
|
|
}
|
|
|
|
fn test(input: &str, expected: &str) {
|
|
let justfile = compile(input);
|
|
let actual = format!("{:#}", justfile);
|
|
assert_eq!(actual, expected);
|
|
println!("Re-parsing...");
|
|
let reparsed = compile(&actual);
|
|
let redumped = format!("{:#}", reparsed);
|
|
assert_eq!(redumped, actual);
|
|
}
|
|
|
|
test! {
|
|
parse_empty,
|
|
"
|
|
|
|
# hello
|
|
|
|
|
|
",
|
|
"",
|
|
}
|
|
|
|
test! {
|
|
parse_string_default,
|
|
r#"
|
|
|
|
foo a="b\t":
|
|
|
|
|
|
"#,
|
|
r#"foo a="b\t":"#,
|
|
}
|
|
|
|
test! {
|
|
parse_multiple,
|
|
r#"
|
|
a:
|
|
b:
|
|
"#,
|
|
r#"a:
|
|
|
|
b:"#,
|
|
}
|
|
|
|
test! {
|
|
parse_variadic,
|
|
r#"
|
|
|
|
foo +a:
|
|
|
|
|
|
"#,
|
|
r#"foo +a:"#,
|
|
}
|
|
|
|
test! {
|
|
parse_variadic_string_default,
|
|
r#"
|
|
|
|
foo +a="Hello":
|
|
|
|
|
|
"#,
|
|
r#"foo +a="Hello":"#,
|
|
}
|
|
|
|
test! {
|
|
parse_raw_string_default,
|
|
r#"
|
|
|
|
foo a='b\t':
|
|
|
|
|
|
"#,
|
|
r#"foo a='b\t':"#,
|
|
}
|
|
|
|
test! {
|
|
parse_export,
|
|
r#"
|
|
export a := "hello"
|
|
|
|
"#,
|
|
r#"export a := "hello""#,
|
|
}
|
|
|
|
test! {
|
|
parse_alias_after_target,
|
|
r#"
|
|
foo:
|
|
echo a
|
|
alias f := foo
|
|
"#,
|
|
r#"alias f := foo
|
|
|
|
foo:
|
|
echo a"#
|
|
}
|
|
|
|
test! {
|
|
parse_alias_before_target,
|
|
r#"
|
|
alias f := foo
|
|
foo:
|
|
echo a
|
|
"#,
|
|
r#"alias f := foo
|
|
|
|
foo:
|
|
echo a"#
|
|
}
|
|
|
|
test! {
|
|
parse_alias_with_comment,
|
|
r#"
|
|
alias f := foo #comment
|
|
foo:
|
|
echo a
|
|
"#,
|
|
r#"alias f := foo
|
|
|
|
foo:
|
|
echo a"#
|
|
}
|
|
|
|
test! {
|
|
parse_complex,
|
|
"
|
|
x:
|
|
y:
|
|
z:
|
|
foo := \"xx\"
|
|
bar := foo
|
|
goodbye := \"y\"
|
|
hello a b c : x y z #hello
|
|
#! blah
|
|
#blarg
|
|
{{ foo + bar}}abc{{ goodbye\t + \"x\" }}xyz
|
|
1
|
|
2
|
|
3
|
|
",
|
|
"bar := foo
|
|
|
|
foo := \"xx\"
|
|
|
|
goodbye := \"y\"
|
|
|
|
hello a b c: x y z
|
|
#! blah
|
|
#blarg
|
|
{{foo + bar}}abc{{goodbye + \"x\"}}xyz
|
|
1
|
|
2
|
|
3
|
|
|
|
x:
|
|
|
|
y:
|
|
|
|
z:"
|
|
}
|
|
|
|
test! {
|
|
parse_shebang,
|
|
"
|
|
practicum := 'hello'
|
|
install:
|
|
\t#!/bin/sh
|
|
\tif [[ -f {{practicum}} ]]; then
|
|
\t\treturn
|
|
\tfi
|
|
",
|
|
"practicum := 'hello'
|
|
|
|
install:
|
|
#!/bin/sh
|
|
if [[ -f {{practicum}} ]]; then
|
|
\treturn
|
|
fi",
|
|
}
|
|
|
|
test! {
|
|
parse_simple_shebang,
|
|
"a:\n #!\n print(1)",
|
|
"a:\n #!\n print(1)",
|
|
}
|
|
|
|
test! {
|
|
parse_assignments,
|
|
r#"a := "0"
|
|
c := a + b + a + b
|
|
b := "1"
|
|
"#,
|
|
r#"a := "0"
|
|
|
|
b := "1"
|
|
|
|
c := a + b + a + b"#,
|
|
}
|
|
|
|
test! {
|
|
parse_assignment_backticks,
|
|
"a := `echo hello`
|
|
c := a + b + a + b
|
|
b := `echo goodbye`",
|
|
"a := `echo hello`
|
|
|
|
b := `echo goodbye`
|
|
|
|
c := a + b + a + b",
|
|
}
|
|
|
|
test! {
|
|
parse_interpolation_backticks,
|
|
r#"a:
|
|
echo {{ `echo hello` + "blarg" }} {{ `echo bob` }}"#,
|
|
r#"a:
|
|
echo {{`echo hello` + "blarg"}} {{`echo bob`}}"#,
|
|
}
|
|
|
|
test! {
|
|
eof_test,
|
|
"x:\ny:\nz:\na b c: x y z",
|
|
"a b c: x y z\n\nx:\n\ny:\n\nz:",
|
|
}
|
|
|
|
test! {
|
|
string_quote_escape,
|
|
r#"a := "hello\"""#,
|
|
r#"a := "hello\"""#,
|
|
}
|
|
|
|
test! {
|
|
string_escapes,
|
|
r#"a := "\n\t\r\"\\""#,
|
|
r#"a := "\n\t\r\"\\""#,
|
|
}
|
|
|
|
test! {
|
|
parameters,
|
|
"a b c:
|
|
{{b}} {{c}}",
|
|
"a b c:
|
|
{{b}} {{c}}",
|
|
}
|
|
|
|
test! {
|
|
unary_functions,
|
|
"
|
|
x := arch()
|
|
|
|
a:
|
|
{{os()}} {{os_family()}}",
|
|
"x := arch()
|
|
|
|
a:
|
|
{{os()}} {{os_family()}}",
|
|
}
|
|
|
|
test! {
|
|
env_functions,
|
|
r#"
|
|
x := env_var('foo',)
|
|
|
|
a:
|
|
{{env_var_or_default('foo' + 'bar', 'baz',)}} {{env_var(env_var("baz"))}}"#,
|
|
r#"x := env_var('foo')
|
|
|
|
a:
|
|
{{env_var_or_default('foo' + 'bar', 'baz')}} {{env_var(env_var("baz"))}}"#,
|
|
}
|
|
|
|
test! {
|
|
parameter_default_string,
|
|
r#"
|
|
f x="abc":
|
|
"#,
|
|
r#"f x="abc":"#,
|
|
}
|
|
|
|
test! {
|
|
parameter_default_raw_string,
|
|
r#"
|
|
f x='abc':
|
|
"#,
|
|
r#"f x='abc':"#,
|
|
}
|
|
|
|
test! {
|
|
parameter_default_backtick,
|
|
r#"
|
|
f x=`echo hello`:
|
|
"#,
|
|
r#"f x=`echo hello`:"#,
|
|
}
|
|
|
|
test! {
|
|
parameter_default_concatination_string,
|
|
r#"
|
|
f x=(`echo hello` + "foo"):
|
|
"#,
|
|
r#"f x=(`echo hello` + "foo"):"#,
|
|
}
|
|
|
|
test! {
|
|
parameter_default_concatination_variable,
|
|
r#"
|
|
x := "10"
|
|
f y=(`echo hello` + x) +z="foo":
|
|
"#,
|
|
r#"x := "10"
|
|
|
|
f y=(`echo hello` + x) +z="foo":"#,
|
|
}
|
|
|
|
test! {
|
|
parameter_default_multiple,
|
|
r#"
|
|
x := "10"
|
|
f y=(`echo hello` + x) +z=("foo" + "bar"):
|
|
"#,
|
|
r#"x := "10"
|
|
|
|
f y=(`echo hello` + x) +z=("foo" + "bar"):"#,
|
|
}
|
|
|
|
test! {
|
|
concatination_in_group,
|
|
"x := ('0' + '1')",
|
|
"x := ('0' + '1')",
|
|
}
|
|
|
|
test! {
|
|
string_in_group,
|
|
"x := ('0' )",
|
|
"x := ('0')",
|
|
}
|
|
|
|
#[rustfmt::skip]
|
|
test! {
|
|
escaped_dos_newlines,
|
|
"@spam:\r
|
|
\t{ \\\r
|
|
\t\tfiglet test; \\\r
|
|
\t\tcargo build --color always 2>&1; \\\r
|
|
\t\tcargo test --color always -- --color always 2>&1; \\\r
|
|
\t} | less\r
|
|
",
|
|
"@spam:
|
|
{ \\
|
|
\tfiglet test; \\
|
|
\tcargo build --color always 2>&1; \\
|
|
\tcargo test --color always -- --color always 2>&1; \\
|
|
} | less",
|
|
}
|
|
}
|