Separate interpreter into its own module
This commit is contained in:
parent
02dd33ab1a
commit
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520
dust-lang/src/interpreter.rs
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520
dust-lang/src/interpreter.rs
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@ -0,0 +1,520 @@
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use std::{
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collections::{hash_map, HashMap},
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ops::Range,
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sync::{Arc, RwLock},
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};
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use ariadne::{Color, Fmt, Label, Report, ReportKind};
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use crate::{
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abstract_tree::AbstractTree,
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context::Context,
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error::{DustError, RuntimeError, TypeConflict, ValidationError},
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lexer::{lex, Token},
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parser::parse,
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standard_library::core_context,
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Type, Value,
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};
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pub fn interpret(source_id: &str, source: &str) -> Result<Option<Value>, InterpreterError> {
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let interpreter = Interpreter::new();
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interpreter.run(Arc::from(source_id), Arc::from(source))
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}
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/// Interpreter, lexer and parser for the Dust programming language.
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///
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/// You must provide the interpreter with an ID for each piece of code you pass to it. These are
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/// used to identify the source of errors and to provide more detailed error messages.
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#[derive(Clone, Debug)]
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pub struct Interpreter {
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contexts: Arc<RwLock<HashMap<Arc<str>, Context>>>,
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sources: Arc<RwLock<HashMap<Arc<str>, Arc<str>>>>,
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}
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impl Interpreter {
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pub fn new() -> Self {
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Interpreter {
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contexts: Arc::new(RwLock::new(HashMap::new())),
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sources: Arc::new(RwLock::new(HashMap::new())),
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}
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}
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/// Lexes the source code and returns a list of tokens.
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pub fn lex<'id>(
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&self,
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source_id: Arc<str>,
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source: &'id Arc<str>,
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) -> Result<Vec<Token<'id>>, InterpreterError> {
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self.sources
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.write()
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.unwrap()
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.insert(source_id.clone(), source.clone());
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lex(source.as_ref())
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.map(|tokens| tokens.into_iter().map(|(token, _)| token).collect())
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.map_err(|errors| InterpreterError {
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source_id: source_id.clone(),
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errors,
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})
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}
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/// Parses the source code and returns an abstract syntax tree.
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pub fn parse<'id>(
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&self,
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source_id: Arc<str>,
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source: &'id Arc<str>,
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) -> Result<AbstractTree, InterpreterError> {
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self.sources
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.write()
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.unwrap()
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.insert(source_id.clone(), source.clone());
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parse(&lex(source).map_err(|errors| InterpreterError {
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source_id: source_id.clone(),
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errors,
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})?)
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.map_err(|errors| InterpreterError { source_id, errors })
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}
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/// Runs the source code and returns the result.
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pub fn run(
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&self,
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source_id: Arc<str>,
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source: Arc<str>,
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) -> Result<Option<Value>, InterpreterError> {
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let mut sources = self.sources.write().unwrap();
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sources.insert(source_id.clone(), source.clone());
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let tokens = lex(source.as_ref()).map_err(|errors| InterpreterError {
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source_id: source_id.clone(),
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errors,
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})?;
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let abstract_tree = parse(&tokens).map_err(|errors| InterpreterError {
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source_id: source_id.clone(),
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errors,
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})?;
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let context = self.get_or_create_context(&source_id);
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let value_option = abstract_tree
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.run(&context, true)
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.map_err(|errors| InterpreterError { source_id, errors })?;
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Ok(value_option)
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}
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pub fn sources(&self) -> hash_map::IntoIter<Arc<str>, Arc<str>> {
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self.sources.read().unwrap().clone().into_iter()
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}
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fn get_or_create_context(&self, source_id: &Arc<str>) -> Context {
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let mut contexts = self.contexts.write().unwrap();
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if let Some(context) = contexts.get(source_id) {
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context.clone()
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} else {
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let context = core_context().clone();
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contexts.insert(source_id.clone(), context.clone());
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context
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}
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}
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}
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impl Default for Interpreter {
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fn default() -> Self {
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Self::new()
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}
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}
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#[derive(Debug, PartialEq)]
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/// An error that occurred during the interpretation of a piece of code.
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///
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/// Each error has a source ID that identifies the piece of code that caused the error, and a list
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/// of errors that occurred during the interpretation of that code.
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pub struct InterpreterError {
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source_id: Arc<str>,
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errors: Vec<DustError>,
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}
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impl InterpreterError {
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pub fn new(source_id: Arc<str>, errors: Vec<DustError>) -> Self {
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InterpreterError { source_id, errors }
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}
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pub fn errors(&self) -> &Vec<DustError> {
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&self.errors
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}
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}
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impl InterpreterError {
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/// Converts the error into a list of user-friendly reports that can be printed to the console.
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pub fn build_reports<'a>(self) -> Vec<Report<'a, (Arc<str>, Range<usize>)>> {
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let token_color = Color::Yellow;
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let type_color = Color::Green;
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let identifier_color = Color::Blue;
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let mut reports = Vec::new();
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for error in self.errors {
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let (mut builder, validation_error) = match error {
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DustError::Lex {
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expected,
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span,
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reason,
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} => {
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let description = if expected.is_empty() {
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"Invalid character.".to_string()
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} else {
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format!("Expected {expected}.")
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};
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(
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Report::build(
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ReportKind::Custom("Lexing Error", Color::Yellow),
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self.source_id.clone(),
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span.1,
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)
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.with_message(description)
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.with_label(
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Label::new((self.source_id.clone(), span.0..span.1))
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.with_message(reason)
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.with_color(Color::Red),
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),
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None,
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)
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}
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DustError::Parse {
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expected,
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span,
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found,
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} => {
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let description = if expected.is_empty() {
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"Invalid token.".to_string()
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} else {
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format!("Expected {expected}.")
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};
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let found = found
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.unwrap_or_else(|| "End of input".to_string())
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.fg(token_color);
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(
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Report::build(
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ReportKind::Custom("Parsing Error", Color::Yellow),
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self.source_id.clone(),
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span.1,
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)
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.with_message(description)
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.with_label(
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Label::new((self.source_id.clone(), span.0..span.1))
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.with_message(format!("{found} is not valid in this position."))
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.with_color(Color::Red),
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),
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None,
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)
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}
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DustError::Validation { error, position } => (
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Report::build(
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ReportKind::Custom("Validation Error", Color::Magenta),
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self.source_id.clone(),
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position.1,
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)
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.with_message("The syntax is valid but this code would cause an error.")
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.with_note(
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"This error was detected by the interpreter before running the code.",
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),
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Some(error),
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),
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DustError::Runtime { error, position } => {
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let note = match &error {
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RuntimeError::Io(io_error) => &io_error.to_string(),
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RuntimeError::RwLockPoison(_) => todo!(),
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RuntimeError::ValidationFailure(_) => {
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"This is the interpreter's fault. Please submit a bug with this error message."
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}
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RuntimeError::SerdeJson(serde_json_error) => &serde_json_error.to_string(),
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RuntimeError::Use(_) => todo!(),
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};
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(
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Report::build(
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ReportKind::Custom("Runtime Error", Color::Red),
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self.source_id.clone(),
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position.1,
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)
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.with_message("An error occured that forced the program to exit. There may be unexpected side-effects because the program could not finish.")
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.with_note(note)
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.with_label(
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Label::new((self.source_id.clone(), position.0..position.1)).with_message("Error occured here.")
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),
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if let RuntimeError::ValidationFailure(validation_error) = error {
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Some(validation_error)
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} else {
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None
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},
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)
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}
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};
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if let Some(validation_error) = validation_error {
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match validation_error {
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ValidationError::CannotAssignToNone(postion) => {
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builder.add_label(
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Label::new((self.source_id.clone(), postion.0..postion.1))
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.with_message(
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"This statement does not yield a value, you cannot assign a variable to it."
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),
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);
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}
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ValidationError::ExpectedBoolean { actual, position } => {
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builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1))
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.with_message(format!(
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"Expected {} but got {}.",
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"boolean".fg(type_color),
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actual.fg(type_color)
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)),
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);
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}
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ValidationError::ExpectedIntegerOrFloat(position) => {
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builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1))
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.with_message(format!(
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"Expected {} or {}.",
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"integer".fg(type_color),
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"float".fg(type_color)
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)),
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);
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}
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ValidationError::FullTypeNotKnown {
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identifier,
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position,
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} => builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1)).with_message(
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format!(
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"The full type for {} must be known.",
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identifier.fg(identifier_color)
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),
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),
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),
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ValidationError::RwLockPoison(_) => todo!(),
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ValidationError::TypeCheck {
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conflict: TypeConflict { actual, expected },
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actual_position,
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expected_position,
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} => {
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if let Type::Generic {
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concrete_type: None,
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..
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} = actual
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{
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builder = builder.with_help("Try specifying the type using turbofish.");
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}
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let actual_type_message = if let Some(position) = expected_position {
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builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1))
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.with_message(format!(
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"Type {} established here.",
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expected.fg(type_color)
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)),
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);
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format!("Got type {} here.", actual.fg(type_color))
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} else {
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format!(
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"Got type {} but expected {}.",
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actual.fg(type_color),
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expected.fg(type_color)
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)
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};
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builder.add_label(
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Label::new((
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self.source_id.clone(),
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actual_position.0..actual_position.1,
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))
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.with_message(actual_type_message),
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)
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}
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ValidationError::VariableNotFound {
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identifier,
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position,
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} => builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1)).with_message(
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format!(
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"Variable {} does not exist in this context.",
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identifier.fg(identifier_color)
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),
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),
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),
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ValidationError::CannotIndex { r#type, position } => builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1)).with_message(
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format!("Cannot index into a {}.", r#type.fg(type_color)),
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),
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),
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ValidationError::CannotIndexWith {
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collection_type,
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collection_position,
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index_type,
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index_position,
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} => {
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builder = builder.with_message(format!(
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"Cannot index into {} with {}.",
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collection_type.clone().fg(type_color),
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index_type.clone().fg(type_color)
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));
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builder.add_labels([
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Label::new((
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self.source_id.clone(),
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collection_position.0..collection_position.1,
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))
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.with_message(format!(
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"This has type {}.",
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collection_type.fg(type_color),
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)),
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Label::new((
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self.source_id.clone(),
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index_position.0..index_position.1,
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))
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.with_message(format!("This has type {}.", index_type.fg(type_color),)),
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])
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}
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ValidationError::ExpectedValueStatement(position) => builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1))
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.with_message("Expected a statement that yields a value."),
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),
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ValidationError::ExpectedNonValueStatement(position) => {
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builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1))
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.with_message("Expected a statement that does not yield a value."),
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);
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builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1))
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.with_message("Try adding a semicolon here."),
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);
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}
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ValidationError::ExpectedFunction { actual, position } => builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1)).with_message(
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format!(
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"Expected a function value but got {}.",
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actual.fg(type_color)
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),
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),
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),
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ValidationError::FieldNotFound {
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identifier,
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position,
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} => builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1)).with_message(
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format!(
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"This map has no field named {}.",
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identifier.fg(identifier_color)
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),
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),
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),
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ValidationError::WrongTypeArguments {
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parameters,
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arguments,
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} => {
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builder = builder.with_message(format!(
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"Expected {parameters:?} arguments but got {arguments:?}."
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));
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}
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ValidationError::WrongValueArguments {
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parameters,
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arguments,
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} => {
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builder = builder.with_message(format!(
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"Expected {parameters:?} arguments but got {arguments:?}."
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));
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}
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ValidationError::ExpectedIntegerFloatOrString { actual, position } => {
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builder = builder.with_message(format!(
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"Expected an {}, {} or {}.",
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Type::Integer.fg(type_color),
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Type::Float.fg(type_color),
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Type::String.fg(type_color)
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));
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builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1))
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.with_message(format!("This has type {}.", actual.fg(type_color),)),
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)
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}
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ValidationError::ExpectedString { .. } => todo!(),
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ValidationError::EnumDefinitionNotFound {
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identifier,
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position,
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} => {
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let message = format!(
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"The enum {} does not exist in this context.",
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identifier.fg(identifier_color),
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);
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if let Some(position) = position {
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builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1))
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.with_message(message),
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)
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} else {
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builder = builder.with_message(message);
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}
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}
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ValidationError::EnumVariantNotFound { .. } => todo!(),
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ValidationError::ExpectedList { .. } => todo!(),
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ValidationError::BuiltInFunctionFailure(reason) => builder
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.add_label(Label::new((self.source_id.clone(), 0..0)).with_message(reason)),
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ValidationError::CannotUsePath(_) => todo!(),
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ValidationError::Uninitialized => todo!(),
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ValidationError::WrongTypeArgumentsCount {
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expected,
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actual,
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position,
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} => builder.add_label(
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Label::new((self.source_id.clone(), position.0..position.1)).with_message(
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format!(
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"Expected {} type arguments but got {}.",
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expected.fg(type_color),
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actual.fg(type_color)
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),
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),
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),
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ValidationError::StructDefinitionNotFound {
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identifier,
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position,
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} => todo!(),
|
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}
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}
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let report = builder.finish();
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reports.push(report);
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}
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|
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reports
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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 crate::{
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abstract_tree::{AbstractNode, SourcePosition},
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standard_library::std_full_compiled,
|
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};
|
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#[test]
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fn load_standard_library() {
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let context = Context::new();
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for abstract_tree in std_full_compiled() {
|
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abstract_tree
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.define_and_validate(&context, true, SourcePosition(0, usize::MAX))
|
||||
.unwrap();
|
||||
abstract_tree.run(&context, true).unwrap();
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -3,7 +3,7 @@ The Dust programming language.
|
||||
|
||||
Dust is a statically typed, interpreted programming language.
|
||||
|
||||
The top-level module contains the `Interpreter` struct, which is used to lex, parse and/or
|
||||
The [interpreter] module contains the `Interpreter` struct, which is used to lex, parse and/or
|
||||
interpret Dust code. The `interpret` function is a convenience function that creates a new
|
||||
`Interpreter` and runs the given source code.
|
||||
*/
|
||||
@ -11,521 +11,11 @@ pub mod abstract_tree;
|
||||
pub mod context;
|
||||
pub mod error;
|
||||
pub mod identifier;
|
||||
pub mod interpreter;
|
||||
pub mod lexer;
|
||||
pub mod parser;
|
||||
pub mod standard_library;
|
||||
pub mod value;
|
||||
|
||||
use std::{
|
||||
collections::{hash_map, HashMap},
|
||||
ops::Range,
|
||||
sync::{Arc, RwLock},
|
||||
};
|
||||
|
||||
pub use abstract_tree::Type;
|
||||
pub use value::Value;
|
||||
|
||||
use abstract_tree::AbstractTree;
|
||||
use ariadne::{Color, Fmt, Label, Report, ReportKind};
|
||||
use context::Context;
|
||||
use error::{DustError, RuntimeError, TypeConflict, ValidationError};
|
||||
use lexer::{lex, Token};
|
||||
use parser::{parse, parser};
|
||||
use standard_library::core_context;
|
||||
|
||||
pub fn interpret(source_id: &str, source: &str) -> Result<Option<Value>, InterpreterError> {
|
||||
let interpreter = Interpreter::new();
|
||||
|
||||
interpreter.run(Arc::from(source_id), Arc::from(source))
|
||||
}
|
||||
|
||||
/// Interpreter, lexer and parser for the Dust programming language.
|
||||
///
|
||||
/// You must provide the interpreter with an ID for each piece of code you pass to it. These are
|
||||
/// used to identify the source of errors and to provide more detailed error messages.
|
||||
#[derive(Clone, Debug)]
|
||||
pub struct Interpreter {
|
||||
contexts: Arc<RwLock<HashMap<Arc<str>, Context>>>,
|
||||
sources: Arc<RwLock<HashMap<Arc<str>, Arc<str>>>>,
|
||||
}
|
||||
|
||||
impl Interpreter {
|
||||
pub fn new() -> Self {
|
||||
Interpreter {
|
||||
contexts: Arc::new(RwLock::new(HashMap::new())),
|
||||
sources: Arc::new(RwLock::new(HashMap::new())),
|
||||
}
|
||||
}
|
||||
|
||||
/// Lexes the source code and returns a list of tokens.
|
||||
pub fn lex<'id>(
|
||||
&self,
|
||||
source_id: Arc<str>,
|
||||
source: &'id Arc<str>,
|
||||
) -> Result<Vec<Token<'id>>, InterpreterError> {
|
||||
self.sources
|
||||
.write()
|
||||
.unwrap()
|
||||
.insert(source_id.clone(), source.clone());
|
||||
|
||||
lex(source.as_ref())
|
||||
.map(|tokens| tokens.into_iter().map(|(token, _)| token).collect())
|
||||
.map_err(|errors| InterpreterError {
|
||||
source_id: source_id.clone(),
|
||||
errors,
|
||||
})
|
||||
}
|
||||
|
||||
/// Parses the source code and returns an abstract syntax tree.
|
||||
pub fn parse<'id>(
|
||||
&self,
|
||||
source_id: Arc<str>,
|
||||
source: &'id Arc<str>,
|
||||
) -> Result<AbstractTree, InterpreterError> {
|
||||
self.sources
|
||||
.write()
|
||||
.unwrap()
|
||||
.insert(source_id.clone(), source.clone());
|
||||
|
||||
parse(&lex(source).map_err(|errors| InterpreterError {
|
||||
source_id: source_id.clone(),
|
||||
errors,
|
||||
})?)
|
||||
.map_err(|errors| InterpreterError { source_id, errors })
|
||||
}
|
||||
|
||||
/// Runs the source code and returns the result.
|
||||
pub fn run(
|
||||
&self,
|
||||
source_id: Arc<str>,
|
||||
source: Arc<str>,
|
||||
) -> Result<Option<Value>, InterpreterError> {
|
||||
let mut sources = self.sources.write().unwrap();
|
||||
|
||||
sources.insert(source_id.clone(), source.clone());
|
||||
|
||||
let tokens = lex(source.as_ref()).map_err(|errors| InterpreterError {
|
||||
source_id: source_id.clone(),
|
||||
errors,
|
||||
})?;
|
||||
let abstract_tree = parse(&tokens).map_err(|errors| InterpreterError {
|
||||
source_id: source_id.clone(),
|
||||
errors,
|
||||
})?;
|
||||
let context = self.get_or_create_context(&source_id);
|
||||
let value_option = abstract_tree
|
||||
.run(&context, true)
|
||||
.map_err(|errors| InterpreterError { source_id, errors })?;
|
||||
|
||||
Ok(value_option)
|
||||
}
|
||||
|
||||
pub fn sources(&self) -> hash_map::IntoIter<Arc<str>, Arc<str>> {
|
||||
self.sources.read().unwrap().clone().into_iter()
|
||||
}
|
||||
|
||||
fn get_or_create_context(&self, source_id: &Arc<str>) -> Context {
|
||||
let mut contexts = self.contexts.write().unwrap();
|
||||
|
||||
if let Some(context) = contexts.get(source_id) {
|
||||
context.clone()
|
||||
} else {
|
||||
let context = core_context().clone();
|
||||
|
||||
contexts.insert(source_id.clone(), context.clone());
|
||||
|
||||
context
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Debug, PartialEq)]
|
||||
/// An error that occurred during the interpretation of a piece of code.
|
||||
///
|
||||
/// Each error has a source ID that identifies the piece of code that caused the error, and a list
|
||||
/// of errors that occurred during the interpretation of that code.
|
||||
pub struct InterpreterError {
|
||||
source_id: Arc<str>,
|
||||
errors: Vec<DustError>,
|
||||
}
|
||||
|
||||
impl InterpreterError {
|
||||
pub fn new(source_id: Arc<str>, errors: Vec<DustError>) -> Self {
|
||||
InterpreterError { source_id, errors }
|
||||
}
|
||||
|
||||
pub fn errors(&self) -> &Vec<DustError> {
|
||||
&self.errors
|
||||
}
|
||||
}
|
||||
|
||||
impl InterpreterError {
|
||||
/// Converts the error into a list of user-friendly reports that can be printed to the console.
|
||||
pub fn build_reports<'a>(self) -> Vec<Report<'a, (Arc<str>, Range<usize>)>> {
|
||||
let token_color = Color::Yellow;
|
||||
let type_color = Color::Green;
|
||||
let identifier_color = Color::Blue;
|
||||
|
||||
let mut reports = Vec::new();
|
||||
|
||||
for error in self.errors {
|
||||
let (mut builder, validation_error) = match error {
|
||||
DustError::Lex {
|
||||
expected,
|
||||
span,
|
||||
reason,
|
||||
} => {
|
||||
let description = if expected.is_empty() {
|
||||
"Invalid character.".to_string()
|
||||
} else {
|
||||
format!("Expected {expected}.")
|
||||
};
|
||||
|
||||
(
|
||||
Report::build(
|
||||
ReportKind::Custom("Lexing Error", Color::Yellow),
|
||||
self.source_id.clone(),
|
||||
span.1,
|
||||
)
|
||||
.with_message(description)
|
||||
.with_label(
|
||||
Label::new((self.source_id.clone(), span.0..span.1))
|
||||
.with_message(reason)
|
||||
.with_color(Color::Red),
|
||||
),
|
||||
None,
|
||||
)
|
||||
}
|
||||
DustError::Parse {
|
||||
expected,
|
||||
span,
|
||||
found,
|
||||
} => {
|
||||
let description = if expected.is_empty() {
|
||||
"Invalid token.".to_string()
|
||||
} else {
|
||||
format!("Expected {expected}.")
|
||||
};
|
||||
let found = found
|
||||
.unwrap_or_else(|| "End of input".to_string())
|
||||
.fg(token_color);
|
||||
|
||||
(
|
||||
Report::build(
|
||||
ReportKind::Custom("Parsing Error", Color::Yellow),
|
||||
self.source_id.clone(),
|
||||
span.1,
|
||||
)
|
||||
.with_message(description)
|
||||
.with_label(
|
||||
Label::new((self.source_id.clone(), span.0..span.1))
|
||||
.with_message(format!("{found} is not valid in this position."))
|
||||
.with_color(Color::Red),
|
||||
),
|
||||
None,
|
||||
)
|
||||
}
|
||||
DustError::Validation { error, position } => (
|
||||
Report::build(
|
||||
ReportKind::Custom("Validation Error", Color::Magenta),
|
||||
self.source_id.clone(),
|
||||
position.1,
|
||||
)
|
||||
.with_message("The syntax is valid but this code would cause an error.")
|
||||
.with_note(
|
||||
"This error was detected by the interpreter before running the code.",
|
||||
),
|
||||
Some(error),
|
||||
),
|
||||
DustError::Runtime { error, position } => {
|
||||
let note = match &error {
|
||||
RuntimeError::Io(io_error) => &io_error.to_string(),
|
||||
RuntimeError::RwLockPoison(_) => todo!(),
|
||||
RuntimeError::ValidationFailure(_) => {
|
||||
"This is the interpreter's fault. Please submit a bug with this error message."
|
||||
}
|
||||
RuntimeError::SerdeJson(serde_json_error) => &serde_json_error.to_string(),
|
||||
RuntimeError::Use(_) => todo!(),
|
||||
};
|
||||
|
||||
(
|
||||
Report::build(
|
||||
ReportKind::Custom("Runtime Error", Color::Red),
|
||||
self.source_id.clone(),
|
||||
position.1,
|
||||
)
|
||||
.with_message("An error occured that forced the program to exit. There may be unexpected side-effects because the program could not finish.")
|
||||
.with_note(note)
|
||||
.with_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1)).with_message("Error occured here.")
|
||||
),
|
||||
if let RuntimeError::ValidationFailure(validation_error) = error {
|
||||
Some(validation_error)
|
||||
} else {
|
||||
None
|
||||
},
|
||||
)
|
||||
}
|
||||
};
|
||||
|
||||
if let Some(validation_error) = validation_error {
|
||||
match validation_error {
|
||||
ValidationError::CannotAssignToNone(postion) => {
|
||||
builder.add_label(
|
||||
Label::new((self.source_id.clone(), postion.0..postion.1))
|
||||
.with_message(
|
||||
"This statement does not yield a value, you cannot assign a variable to it."
|
||||
),
|
||||
);
|
||||
}
|
||||
ValidationError::ExpectedBoolean { actual, position } => {
|
||||
builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1))
|
||||
.with_message(format!(
|
||||
"Expected {} but got {}.",
|
||||
"boolean".fg(type_color),
|
||||
actual.fg(type_color)
|
||||
)),
|
||||
);
|
||||
}
|
||||
ValidationError::ExpectedIntegerOrFloat(position) => {
|
||||
builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1))
|
||||
.with_message(format!(
|
||||
"Expected {} or {}.",
|
||||
"integer".fg(type_color),
|
||||
"float".fg(type_color)
|
||||
)),
|
||||
);
|
||||
}
|
||||
ValidationError::FullTypeNotKnown {
|
||||
identifier,
|
||||
position,
|
||||
} => builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1)).with_message(
|
||||
format!(
|
||||
"The full type for {} must be known.",
|
||||
identifier.fg(identifier_color)
|
||||
),
|
||||
),
|
||||
),
|
||||
ValidationError::RwLockPoison(_) => todo!(),
|
||||
ValidationError::TypeCheck {
|
||||
conflict: TypeConflict { actual, expected },
|
||||
actual_position,
|
||||
expected_position,
|
||||
} => {
|
||||
if let Type::Generic {
|
||||
concrete_type: None,
|
||||
..
|
||||
} = actual
|
||||
{
|
||||
builder = builder.with_help("Try specifying the type using turbofish.");
|
||||
}
|
||||
|
||||
let actual_type_message = if let Some(position) = expected_position {
|
||||
builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1))
|
||||
.with_message(format!(
|
||||
"Type {} established here.",
|
||||
expected.fg(type_color)
|
||||
)),
|
||||
);
|
||||
|
||||
format!("Got type {} here.", actual.fg(type_color))
|
||||
} else {
|
||||
format!(
|
||||
"Got type {} but expected {}.",
|
||||
actual.fg(type_color),
|
||||
expected.fg(type_color)
|
||||
)
|
||||
};
|
||||
|
||||
builder.add_label(
|
||||
Label::new((
|
||||
self.source_id.clone(),
|
||||
actual_position.0..actual_position.1,
|
||||
))
|
||||
.with_message(actual_type_message),
|
||||
)
|
||||
}
|
||||
ValidationError::VariableNotFound {
|
||||
identifier,
|
||||
position,
|
||||
} => builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1)).with_message(
|
||||
format!(
|
||||
"Variable {} does not exist in this context.",
|
||||
identifier.fg(identifier_color)
|
||||
),
|
||||
),
|
||||
),
|
||||
ValidationError::CannotIndex { r#type, position } => builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1)).with_message(
|
||||
format!("Cannot index into a {}.", r#type.fg(type_color)),
|
||||
),
|
||||
),
|
||||
ValidationError::CannotIndexWith {
|
||||
collection_type,
|
||||
collection_position,
|
||||
index_type,
|
||||
index_position,
|
||||
} => {
|
||||
builder = builder.with_message(format!(
|
||||
"Cannot index into {} with {}.",
|
||||
collection_type.clone().fg(type_color),
|
||||
index_type.clone().fg(type_color)
|
||||
));
|
||||
|
||||
builder.add_labels([
|
||||
Label::new((
|
||||
self.source_id.clone(),
|
||||
collection_position.0..collection_position.1,
|
||||
))
|
||||
.with_message(format!(
|
||||
"This has type {}.",
|
||||
collection_type.fg(type_color),
|
||||
)),
|
||||
Label::new((
|
||||
self.source_id.clone(),
|
||||
index_position.0..index_position.1,
|
||||
))
|
||||
.with_message(format!("This has type {}.", index_type.fg(type_color),)),
|
||||
])
|
||||
}
|
||||
ValidationError::ExpectedValueStatement(position) => builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1))
|
||||
.with_message("Expected a statement that yields a value."),
|
||||
),
|
||||
ValidationError::ExpectedNonValueStatement(position) => {
|
||||
builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1))
|
||||
.with_message("Expected a statement that does not yield a value."),
|
||||
);
|
||||
builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1))
|
||||
.with_message("Try adding a semicolon here."),
|
||||
);
|
||||
}
|
||||
ValidationError::ExpectedFunction { actual, position } => builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1)).with_message(
|
||||
format!(
|
||||
"Expected a function value but got {}.",
|
||||
actual.fg(type_color)
|
||||
),
|
||||
),
|
||||
),
|
||||
ValidationError::FieldNotFound {
|
||||
identifier,
|
||||
position,
|
||||
} => builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1)).with_message(
|
||||
format!(
|
||||
"This map has no field named {}.",
|
||||
identifier.fg(identifier_color)
|
||||
),
|
||||
),
|
||||
),
|
||||
ValidationError::WrongTypeArguments {
|
||||
parameters,
|
||||
arguments,
|
||||
} => {
|
||||
builder = builder.with_message(format!(
|
||||
"Expected {parameters:?} arguments but got {arguments:?}."
|
||||
));
|
||||
}
|
||||
ValidationError::WrongValueArguments {
|
||||
parameters,
|
||||
arguments,
|
||||
} => {
|
||||
builder = builder.with_message(format!(
|
||||
"Expected {parameters:?} arguments but got {arguments:?}."
|
||||
));
|
||||
}
|
||||
ValidationError::ExpectedIntegerFloatOrString { actual, position } => {
|
||||
builder = builder.with_message(format!(
|
||||
"Expected an {}, {} or {}.",
|
||||
Type::Integer.fg(type_color),
|
||||
Type::Float.fg(type_color),
|
||||
Type::String.fg(type_color)
|
||||
));
|
||||
|
||||
builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1))
|
||||
.with_message(format!("This has type {}.", actual.fg(type_color),)),
|
||||
)
|
||||
}
|
||||
ValidationError::ExpectedString { .. } => todo!(),
|
||||
ValidationError::EnumDefinitionNotFound {
|
||||
identifier,
|
||||
position,
|
||||
} => {
|
||||
let message = format!(
|
||||
"The enum {} does not exist in this context.",
|
||||
identifier.fg(identifier_color),
|
||||
);
|
||||
|
||||
if let Some(position) = position {
|
||||
builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1))
|
||||
.with_message(message),
|
||||
)
|
||||
} else {
|
||||
builder = builder.with_message(message);
|
||||
}
|
||||
}
|
||||
ValidationError::EnumVariantNotFound { .. } => todo!(),
|
||||
ValidationError::ExpectedList { .. } => todo!(),
|
||||
ValidationError::BuiltInFunctionFailure(reason) => builder
|
||||
.add_label(Label::new((self.source_id.clone(), 0..0)).with_message(reason)),
|
||||
ValidationError::CannotUsePath(_) => todo!(),
|
||||
ValidationError::Uninitialized => todo!(),
|
||||
ValidationError::WrongTypeArgumentsCount {
|
||||
expected,
|
||||
actual,
|
||||
position,
|
||||
} => builder.add_label(
|
||||
Label::new((self.source_id.clone(), position.0..position.1)).with_message(
|
||||
format!(
|
||||
"Expected {} type arguments but got {}.",
|
||||
expected.fg(type_color),
|
||||
actual.fg(type_color)
|
||||
),
|
||||
),
|
||||
),
|
||||
ValidationError::StructDefinitionNotFound {
|
||||
identifier,
|
||||
position,
|
||||
} => todo!(),
|
||||
}
|
||||
}
|
||||
|
||||
let report = builder.finish();
|
||||
|
||||
reports.push(report);
|
||||
}
|
||||
|
||||
reports
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use abstract_tree::{AbstractNode, SourcePosition};
|
||||
|
||||
use self::standard_library::std_full_compiled;
|
||||
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn load_standard_library() {
|
||||
let context = Context::new();
|
||||
|
||||
for abstract_tree in std_full_compiled() {
|
||||
abstract_tree
|
||||
.define_and_validate(&context, true, SourcePosition(0, usize::MAX))
|
||||
.unwrap();
|
||||
abstract_tree.run(&context, true).unwrap();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user