mirror of
https://github.com/denoland/deno
synced 2024-07-17 11:07:41 +00:00
580 lines
16 KiB
Rust
580 lines
16 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use deno_ast::ModuleSpecifier;
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use deno_graph::ModuleGraph;
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use deno_terminal::colors;
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use deno_core::serde::Deserialize;
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use deno_core::serde::Deserializer;
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use deno_core::serde::Serialize;
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use deno_core::serde::Serializer;
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use deno_core::sourcemap::SourceMap;
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use std::error::Error;
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use std::fmt;
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const MAX_SOURCE_LINE_LENGTH: usize = 150;
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#[derive(Clone, Debug, Eq, PartialEq)]
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pub enum DiagnosticCategory {
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Warning,
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Error,
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Suggestion,
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Message,
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}
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impl fmt::Display for DiagnosticCategory {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(
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f,
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"{}",
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match self {
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DiagnosticCategory::Warning => "WARN ",
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DiagnosticCategory::Error => "ERROR ",
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DiagnosticCategory::Suggestion => "",
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DiagnosticCategory::Message => "",
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}
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)
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}
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}
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impl<'de> Deserialize<'de> for DiagnosticCategory {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: Deserializer<'de>,
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{
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let s: i64 = Deserialize::deserialize(deserializer)?;
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Ok(DiagnosticCategory::from(s))
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}
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}
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impl Serialize for DiagnosticCategory {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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let value = match self {
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DiagnosticCategory::Warning => 0_i32,
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DiagnosticCategory::Error => 1_i32,
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DiagnosticCategory::Suggestion => 2_i32,
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DiagnosticCategory::Message => 3_i32,
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};
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Serialize::serialize(&value, serializer)
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}
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}
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impl From<i64> for DiagnosticCategory {
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fn from(value: i64) -> Self {
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match value {
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0 => DiagnosticCategory::Warning,
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1 => DiagnosticCategory::Error,
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2 => DiagnosticCategory::Suggestion,
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3 => DiagnosticCategory::Message,
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_ => panic!("Unknown value: {value}"),
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}
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}
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}
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#[derive(Debug, Deserialize, Serialize, Clone, Eq, PartialEq)]
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#[serde(rename_all = "camelCase")]
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pub struct DiagnosticMessageChain {
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message_text: String,
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category: DiagnosticCategory,
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code: i64,
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next: Option<Vec<DiagnosticMessageChain>>,
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}
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impl DiagnosticMessageChain {
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pub fn format_message(&self, level: usize) -> String {
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let mut s = String::new();
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s.push_str(&" ".repeat(level * 2));
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s.push_str(&self.message_text);
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if let Some(next) = &self.next {
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s.push('\n');
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let arr = next.clone();
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for dm in arr {
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s.push_str(&dm.format_message(level + 1));
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}
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}
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s
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}
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}
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#[derive(Debug, Deserialize, Serialize, Clone, Eq, PartialEq)]
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#[serde(rename_all = "camelCase")]
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pub struct Position {
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/// 0-indexed line number
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pub line: u64,
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/// 0-indexed character number
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pub character: u64,
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}
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#[derive(Debug, Deserialize, Serialize, Clone, Eq, PartialEq)]
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#[serde(rename_all = "camelCase")]
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pub struct Diagnostic {
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pub category: DiagnosticCategory,
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pub code: u64,
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pub start: Option<Position>,
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pub end: Option<Position>,
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/// Position of this diagnostic in the original non-mapped source.
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///
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/// This will exist and be different from the `start` for fast
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/// checked modules where the TypeScript source will differ
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/// from the original source.
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#[serde(skip_serializing)]
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pub original_source_start: Option<Position>,
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pub message_text: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub message_chain: Option<DiagnosticMessageChain>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub source: Option<String>,
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pub source_line: Option<String>,
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pub file_name: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub related_information: Option<Vec<Diagnostic>>,
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}
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impl Diagnostic {
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fn fmt_category_and_code(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let category = match self.category {
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DiagnosticCategory::Error => "ERROR",
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DiagnosticCategory::Warning => "WARN",
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_ => "",
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};
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let code = if self.code >= 900001 {
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"".to_string()
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} else {
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colors::bold(format!("TS{} ", self.code)).to_string()
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};
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if !category.is_empty() {
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write!(f, "{code}[{category}]: ")
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} else {
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Ok(())
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}
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}
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fn fmt_frame(&self, f: &mut fmt::Formatter, level: usize) -> fmt::Result {
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if let (Some(file_name), Some(start)) = (
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self.file_name.as_ref(),
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self.original_source_start.as_ref().or(self.start.as_ref()),
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) {
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write!(
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f,
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"\n{:indent$} at {}:{}:{}",
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"",
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colors::cyan(file_name),
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colors::yellow(&(start.line + 1).to_string()),
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colors::yellow(&(start.character + 1).to_string()),
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indent = level
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)
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} else {
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Ok(())
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}
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}
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fn fmt_message(&self, f: &mut fmt::Formatter, level: usize) -> fmt::Result {
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if let Some(message_chain) = &self.message_chain {
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write!(f, "{}", message_chain.format_message(level))
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} else {
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write!(
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f,
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"{:indent$}{}",
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"",
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self.message_text.as_deref().unwrap_or_default(),
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indent = level,
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)
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}
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}
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fn fmt_source_line(
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&self,
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f: &mut fmt::Formatter,
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level: usize,
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) -> fmt::Result {
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if let (Some(source_line), Some(start), Some(end)) =
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(&self.source_line, &self.start, &self.end)
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{
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if !source_line.is_empty() && source_line.len() <= MAX_SOURCE_LINE_LENGTH
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{
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write!(f, "\n{:indent$}{}", "", source_line, indent = level)?;
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let length = if start.line == end.line {
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end.character - start.character
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} else {
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1
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};
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let mut s = String::new();
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for i in 0..start.character {
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s.push(if source_line.chars().nth(i as usize).unwrap() == '\t' {
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'\t'
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} else {
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' '
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});
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}
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// TypeScript always uses `~` when underlining, but v8 always uses `^`.
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// We will use `^` to indicate a single point, or `~` when spanning
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// multiple characters.
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let ch = if length > 1 { '~' } else { '^' };
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for _i in 0..length {
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s.push(ch)
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}
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let underline = if self.is_error() {
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colors::red(&s).to_string()
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} else {
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colors::cyan(&s).to_string()
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};
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write!(f, "\n{:indent$}{}", "", underline, indent = level)?;
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}
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}
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Ok(())
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}
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fn fmt_related_information(&self, f: &mut fmt::Formatter) -> fmt::Result {
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if let Some(related_information) = self.related_information.as_ref() {
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if !related_information.is_empty() {
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write!(f, "\n\n")?;
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for info in related_information {
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info.fmt_stack(f, 4)?;
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}
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}
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}
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Ok(())
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}
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fn fmt_stack(&self, f: &mut fmt::Formatter, level: usize) -> fmt::Result {
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self.fmt_category_and_code(f)?;
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self.fmt_message(f, level)?;
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self.fmt_source_line(f, level)?;
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self.fmt_frame(f, level)
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}
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fn is_error(&self) -> bool {
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self.category == DiagnosticCategory::Error
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}
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}
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impl fmt::Display for Diagnostic {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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self.fmt_stack(f, 0)?;
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self.fmt_related_information(f)
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}
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}
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#[derive(Clone, Debug, Default, Eq, PartialEq)]
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pub struct Diagnostics(Vec<Diagnostic>);
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impl Diagnostics {
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#[cfg(test)]
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pub fn new(diagnostics: Vec<Diagnostic>) -> Self {
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Diagnostics(diagnostics)
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}
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/// Return a set of diagnostics where only the values where the predicate
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/// returns `true` are included.
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pub fn filter<P>(&self, predicate: P) -> Self
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where
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P: FnMut(&Diagnostic) -> Option<Diagnostic>,
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{
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let diagnostics = self.0.iter().filter_map(predicate).collect();
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Self(diagnostics)
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}
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pub fn is_empty(&self) -> bool {
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self.0.is_empty()
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}
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/// Modifies all the diagnostics to have their display positions
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/// modified to point at the original source.
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pub fn apply_fast_check_source_maps(&mut self, graph: &ModuleGraph) {
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fn visit_diagnostic(d: &mut Diagnostic, graph: &ModuleGraph) {
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if let Some(specifier) = d
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.file_name
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.as_ref()
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.and_then(|n| ModuleSpecifier::parse(n).ok())
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{
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if let Ok(Some(module)) = graph.try_get_prefer_types(&specifier) {
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if let Some(fast_check_module) =
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module.js().and_then(|m| m.fast_check_module())
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{
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// todo(dsherret): use a short lived cache to prevent parsing
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// source maps so often
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if let Ok(source_map) =
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SourceMap::from_slice(&fast_check_module.source_map)
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{
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if let Some(start) = d.start.as_mut() {
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let maybe_token = source_map
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.lookup_token(start.line as u32, start.character as u32);
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if let Some(token) = maybe_token {
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d.original_source_start = Some(Position {
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line: token.get_src_line() as u64,
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character: token.get_src_col() as u64,
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});
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}
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}
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}
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}
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}
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}
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if let Some(related) = &mut d.related_information {
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for d in related.iter_mut() {
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visit_diagnostic(d, graph);
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}
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}
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}
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for d in &mut self.0 {
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visit_diagnostic(d, graph);
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}
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}
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}
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impl<'de> Deserialize<'de> for Diagnostics {
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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
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where
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D: Deserializer<'de>,
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{
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let items: Vec<Diagnostic> = Deserialize::deserialize(deserializer)?;
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Ok(Diagnostics(items))
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}
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}
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impl Serialize for Diagnostics {
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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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Serialize::serialize(&self.0, serializer)
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}
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}
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impl fmt::Display for Diagnostics {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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let mut i = 0;
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for item in &self.0 {
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if i > 0 {
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write!(f, "\n\n")?;
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}
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write!(f, "{item}")?;
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i += 1;
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}
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if i > 1 {
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write!(f, "\n\nFound {i} errors.")?;
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}
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Ok(())
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}
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}
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impl Error for Diagnostics {}
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#[cfg(test)]
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mod tests {
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use super::*;
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use deno_core::serde_json;
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use deno_core::serde_json::json;
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use test_util::strip_ansi_codes;
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#[test]
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fn test_de_diagnostics() {
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let value = json!([
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{
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"messageText": "Unknown compiler option 'invalid'.",
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"category": 1,
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"code": 5023
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},
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{
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"start": {
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"line": 0,
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"character": 0
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},
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"end": {
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"line": 0,
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"character": 7
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},
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"fileName": "test.ts",
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"messageText": "Cannot find name 'console'. Do you need to change your target library? Try changing the `lib` compiler option to include 'dom'.",
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"sourceLine": "console.log(\"a\");",
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"category": 1,
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"code": 2584
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},
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{
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"start": {
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"line": 7,
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"character": 0
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},
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"end": {
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"line": 7,
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"character": 7
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},
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"fileName": "test.ts",
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"messageText": "Cannot find name 'foo_Bar'. Did you mean 'foo_bar'?",
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"sourceLine": "foo_Bar();",
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"relatedInformation": [
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{
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"start": {
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"line": 3,
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"character": 9
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},
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"end": {
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"line": 3,
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"character": 16
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},
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"fileName": "test.ts",
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"messageText": "'foo_bar' is declared here.",
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"sourceLine": "function foo_bar() {",
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"category": 3,
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"code": 2728
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}
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],
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"category": 1,
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"code": 2552
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},
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{
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"start": {
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"line": 18,
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"character": 0
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},
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"end": {
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"line": 18,
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"character": 1
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},
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"fileName": "test.ts",
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"messageChain": {
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"messageText": "Type '{ a: { b: { c(): { d: number; }; }; }; }' is not assignable to type '{ a: { b: { c(): { d: string; }; }; }; }'.",
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"category": 1,
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"code": 2322,
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"next": [
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{
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"messageText": "The types of 'a.b.c().d' are incompatible between these types.",
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"category": 1,
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"code": 2200,
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"next": [
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{
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"messageText": "Type 'number' is not assignable to type 'string'.",
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"category": 1,
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"code": 2322
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}
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]
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}
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]
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},
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"sourceLine": "x = y;",
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"code": 2322,
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"category": 1
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}
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]);
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let diagnostics: Diagnostics =
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serde_json::from_value(value).expect("cannot deserialize");
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assert_eq!(diagnostics.0.len(), 4);
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assert!(diagnostics.0[0].source_line.is_none());
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assert!(diagnostics.0[0].file_name.is_none());
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assert!(diagnostics.0[0].start.is_none());
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assert!(diagnostics.0[0].end.is_none());
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assert!(diagnostics.0[0].message_text.is_some());
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assert!(diagnostics.0[0].message_chain.is_none());
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assert!(diagnostics.0[0].related_information.is_none());
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assert!(diagnostics.0[1].source_line.is_some());
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assert!(diagnostics.0[1].file_name.is_some());
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assert!(diagnostics.0[1].start.is_some());
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assert!(diagnostics.0[1].end.is_some());
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assert!(diagnostics.0[1].message_text.is_some());
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assert!(diagnostics.0[1].message_chain.is_none());
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assert!(diagnostics.0[1].related_information.is_none());
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assert!(diagnostics.0[2].source_line.is_some());
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assert!(diagnostics.0[2].file_name.is_some());
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assert!(diagnostics.0[2].start.is_some());
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assert!(diagnostics.0[2].end.is_some());
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assert!(diagnostics.0[2].message_text.is_some());
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assert!(diagnostics.0[2].message_chain.is_none());
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assert!(diagnostics.0[2].related_information.is_some());
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}
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#[test]
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fn test_diagnostics_no_source() {
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let value = json!([
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{
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"messageText": "Unknown compiler option 'invalid'.",
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"category":1,
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"code":5023
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}
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]);
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let diagnostics: Diagnostics = serde_json::from_value(value).unwrap();
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let actual = diagnostics.to_string();
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assert_eq!(
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strip_ansi_codes(&actual),
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"TS5023 [ERROR]: Unknown compiler option \'invalid\'."
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);
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}
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#[test]
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fn test_diagnostics_basic() {
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let value = json!([
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{
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"start": {
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"line": 0,
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"character": 0
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},
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"end": {
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"line": 0,
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"character": 7
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},
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"fileName": "test.ts",
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"messageText": "Cannot find name 'console'. Do you need to change your target library? Try changing the `lib` compiler option to include 'dom'.",
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"sourceLine": "console.log(\"a\");",
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"category": 1,
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"code": 2584
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}
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]);
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let diagnostics: Diagnostics = serde_json::from_value(value).unwrap();
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let actual = diagnostics.to_string();
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assert_eq!(strip_ansi_codes(&actual), "TS2584 [ERROR]: Cannot find name \'console\'. Do you need to change your target library? Try changing the `lib` compiler option to include \'dom\'.\nconsole.log(\"a\");\n~~~~~~~\n at test.ts:1:1");
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}
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#[test]
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fn test_diagnostics_related_info() {
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let value = json!([
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|
{
|
|
"start": {
|
|
"line": 7,
|
|
"character": 0
|
|
},
|
|
"end": {
|
|
"line": 7,
|
|
"character": 7
|
|
},
|
|
"fileName": "test.ts",
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|
"messageText": "Cannot find name 'foo_Bar'. Did you mean 'foo_bar'?",
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|
"sourceLine": "foo_Bar();",
|
|
"relatedInformation": [
|
|
{
|
|
"start": {
|
|
"line": 3,
|
|
"character": 9
|
|
},
|
|
"end": {
|
|
"line": 3,
|
|
"character": 16
|
|
},
|
|
"fileName": "test.ts",
|
|
"messageText": "'foo_bar' is declared here.",
|
|
"sourceLine": "function foo_bar() {",
|
|
"category": 3,
|
|
"code": 2728
|
|
}
|
|
],
|
|
"category": 1,
|
|
"code": 2552
|
|
}
|
|
]);
|
|
let diagnostics: Diagnostics = serde_json::from_value(value).unwrap();
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|
let actual = diagnostics.to_string();
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|
assert_eq!(strip_ansi_codes(&actual), "TS2552 [ERROR]: Cannot find name \'foo_Bar\'. Did you mean \'foo_bar\'?\nfoo_Bar();\n~~~~~~~\n at test.ts:8:1\n\n \'foo_bar\' is declared here.\n function foo_bar() {\n ~~~~~~~\n at test.ts:4:10");
|
|
}
|
|
}
|