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https://github.com/denoland/deno
synced 2024-08-25 02:57:22 +00:00
Color exceptions (#1698)
This commit is contained in:
parent
f22e0d72c5
commit
46804e50ed
1
BUILD.gn
1
BUILD.gn
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@ -31,6 +31,7 @@ main_extern = [
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"$rust_build:libc",
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"$rust_build:log",
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"$rust_build:rand",
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"$rust_build:regex",
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"$rust_build:remove_dir_all",
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"$rust_build:ring",
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"$rust_build:rustyline",
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69
src/ansi.rs
Normal file
69
src/ansi.rs
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@ -0,0 +1,69 @@
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use ansi_term::Color::Cyan;
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use ansi_term::Color::Red;
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use ansi_term::Color::Yellow;
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use ansi_term::Style;
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use regex::Regex;
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use std::borrow::Cow;
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use std::env;
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use std::fmt;
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lazy_static! {
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// STRIP_ANSI_RE and strip_ansi_codes are lifted from the "console" crate.
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// Copyright 2017 Armin Ronacher <armin.ronacher@active-4.com>. MIT License.
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static ref STRIP_ANSI_RE: Regex = Regex::new(
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r"[\x1b\x9b][\[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-PRZcf-nqry=><]"
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).unwrap();
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static ref NO_COLOR: bool = {
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env::var_os("NO_COLOR").is_some()
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};
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}
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/// Helper function to strip ansi codes.
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#[allow(dead_code)]
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pub fn strip_ansi_codes(s: &str) -> Cow<str> {
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STRIP_ANSI_RE.replace_all(s, "")
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}
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pub fn use_color() -> bool {
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*NO_COLOR == false
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}
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pub fn red_bold(s: String) -> impl fmt::Display {
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let mut style = Style::new();
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if use_color() {
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style = style.bold().fg(Red);
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}
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style.paint(s)
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}
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pub fn italic_bold(s: String) -> impl fmt::Display {
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let mut style = Style::new();
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if use_color() {
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style = style.italic().bold();
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}
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style.paint(s)
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}
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pub fn yellow(s: String) -> impl fmt::Display {
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let mut style = Style::new();
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if use_color() {
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style = style.fg(Yellow);
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}
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style.paint(s)
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}
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pub fn cyan(s: String) -> impl fmt::Display {
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let mut style = Style::new();
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if use_color() {
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style = style.fg(Cyan);
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}
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style.paint(s)
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}
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pub fn bold(s: String) -> impl fmt::Display {
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let mut style = Style::new();
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if use_color() {
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style = style.bold();
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}
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style.paint(s)
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}
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@ -9,6 +9,7 @@
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// console.log(err.stack);
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// It would require calling into Rust from Error.prototype.prepareStackTrace.
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use crate::ansi;
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use serde_json;
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use source_map_mappings::parse_mappings;
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use source_map_mappings::Bias;
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@ -32,8 +33,8 @@ type CachedMaps = HashMap<String, Option<SourceMap>>;
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#[derive(Debug, PartialEq)]
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pub struct StackFrame {
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pub line: u32, // zero indexed
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pub column: u32, // zero indexed
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pub line: i64, // zero indexed
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pub column: i64, // zero indexed
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pub script_name: String,
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pub function_name: String,
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pub is_eval: bool,
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@ -57,46 +58,69 @@ pub struct JSError {
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pub frames: Vec<StackFrame>,
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}
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impl ToString for StackFrame {
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fn to_string(&self) -> String {
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impl fmt::Display for StackFrame {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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// Note when we print to string, we change from 0-indexed to 1-indexed.
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let (line, column) = (self.line + 1, self.column + 1);
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let function_name = ansi::italic_bold(self.function_name.clone());
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let script_line_column =
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format_script_line_column(&self.script_name, self.line, self.column);
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if !self.function_name.is_empty() {
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format!(
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" at {} ({}:{}:{})",
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self.function_name, self.script_name, line, column
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)
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write!(f, " at {} ({})", function_name, script_line_column)
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} else if self.is_eval {
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format!(" at eval ({}:{}:{})", self.script_name, line, column)
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write!(f, " at eval ({})", script_line_column)
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} else {
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format!(" at {}:{}:{}", self.script_name, line, column)
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write!(f, " at {}", script_line_column)
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}
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}
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}
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fn format_script_line_column(
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script_name: &str,
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line: i64,
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column: i64,
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) -> String {
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// TODO match this style with how typescript displays errors.
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let line = ansi::yellow((1 + line).to_string());
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let column = ansi::yellow((1 + column).to_string());
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let script_name = ansi::cyan(script_name.to_string());
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format!("{}:{}:{}", script_name, line, column)
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}
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impl fmt::Display for JSError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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if self.script_resource_name.is_some() {
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let script_resource_name = self.script_resource_name.as_ref().unwrap();
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// Avoid showing internal code from gen/bundle/main.js
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if script_resource_name != "gen/bundle/main.js" {
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write!(f, "{}", script_resource_name)?;
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if self.line_number.is_some() {
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write!(
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f,
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":{}:{}",
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self.line_number.unwrap(),
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self.start_column.unwrap()
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)?;
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if script_resource_name != "gen/bundle/main.js"
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&& script_resource_name != "gen/bundle/compiler.js"
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{
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if self.line_number.is_some() && self.start_column.is_some() {
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assert!(self.line_number.is_some());
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assert!(self.start_column.is_some());
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let script_line_column = format_script_line_column(
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script_resource_name,
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self.line_number.unwrap() - 1,
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self.start_column.unwrap() - 1,
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);
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write!(f, "{}", script_line_column)?;
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}
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if self.source_line.is_some() {
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write!(f, "\n{}\n\n", self.source_line.as_ref().unwrap())?;
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write!(f, "\n{}\n", self.source_line.as_ref().unwrap())?;
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let mut s = String::new();
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for i in 0..self.end_column.unwrap() {
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if i >= self.start_column.unwrap() {
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s.push('^');
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} else {
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s.push(' ');
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}
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}
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write!(f, "{}\n", ansi::red_bold(s))?;
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}
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}
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}
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write!(f, "{}", &self.message)?;
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write!(f, "{}", ansi::bold(self.message.clone()))?;
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for frame in &self.frames {
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write!(f, "\n{}", &frame.to_string())?;
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@ -117,13 +141,13 @@ impl StackFrame {
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if !line_v.is_u64() {
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return None;
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}
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let line = line_v.as_u64().unwrap() as u32;
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let line = line_v.as_u64().unwrap() as i64;
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let column_v = &obj["column"];
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if !column_v.is_u64() {
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return None;
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}
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let column = column_v.as_u64().unwrap() as u32;
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let column = column_v.as_u64().unwrap() as i64;
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let script_name_v = &obj["scriptName"];
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if !script_name_v.is_string() {
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@ -184,12 +208,16 @@ impl StackFrame {
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) -> StackFrame {
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let maybe_sm =
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get_mappings(self.script_name.as_ref(), mappings_map, getter);
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let frame_pos = (self.script_name.to_owned(), self.line, self.column);
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let frame_pos = (
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self.script_name.to_owned(),
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self.line as i64,
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self.column as i64,
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);
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let (script_name, line, column) = match maybe_sm {
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None => frame_pos,
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Some(sm) => match sm.mappings.original_location_for(
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self.line,
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self.column,
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self.line as u32,
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self.column as u32,
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Bias::default(),
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) {
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None => frame_pos,
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@ -199,8 +227,8 @@ impl StackFrame {
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let orig_source = sm.sources[original.source as usize].clone();
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(
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orig_source,
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original.original_line,
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original.original_column,
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original.original_line as i64,
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original.original_column as i64,
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)
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}
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},
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@ -379,6 +407,7 @@ fn get_mappings<'a>(
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::ansi::strip_ansi_codes;
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fn error1() -> JSError {
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JSError {
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@ -546,14 +575,20 @@ mod tests {
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#[test]
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fn stack_frame_to_string() {
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let e = error1();
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assert_eq!(" at foo (foo_bar.ts:5:17)", e.frames[0].to_string());
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assert_eq!(" at qat (bar_baz.ts:6:21)", e.frames[1].to_string());
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assert_eq!(
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" at foo (foo_bar.ts:5:17)",
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strip_ansi_codes(&e.frames[0].to_string())
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);
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assert_eq!(
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" at qat (bar_baz.ts:6:21)",
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strip_ansi_codes(&e.frames[1].to_string())
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);
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}
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#[test]
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fn js_error_to_string() {
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let e = error1();
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assert_eq!("Error: foo bar\n at foo (foo_bar.ts:5:17)\n at qat (bar_baz.ts:6:21)\n at deno_main.js:2:2", e.to_string());
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assert_eq!("Error: foo bar\n at foo (foo_bar.ts:5:17)\n at qat (bar_baz.ts:6:21)\n at deno_main.js:2:2", strip_ansi_codes(&e.to_string()));
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}
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#[test]
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@ -8,6 +8,7 @@ extern crate futures;
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#[macro_use]
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extern crate serde_json;
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mod ansi;
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pub mod compiler;
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pub mod deno_dir;
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pub mod errors;
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@ -3,7 +3,7 @@ before error
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world
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[WILDCARD]tests/async_error.ts:4:10
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throw Error("error");
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^
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Uncaught Error: error
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at foo ([WILDCARD]tests/async_error.ts:4:9)
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at [WILDCARD]tests/async_error.ts:7:1
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@ -1,10 +1,10 @@
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[96m[WILDCARD]tests/error_003_typescript.ts[WILDCARD] - [91merror[0m[90m TS2552: [0mCannot find name 'consol'. Did you mean 'console'?
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[WILDCARD]tests/error_003_typescript.ts[WILDCARD] - error TS2552: Cannot find name 'consol'. Did you mean 'console'?
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[WILDCARD] consol.log("hello world!");
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[WILDCARD]~~~~~~[0m
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[WILDCARD]~~~~~~
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[96m$asset$/lib.deno_runtime.d.ts[WILDCARD]
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$asset$/lib.deno_runtime.d.ts[WILDCARD]
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[WILDCARD]declare const console: consoleTypes.Console;
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[WILDCARD]~~~~~~~[0m
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[WILDCARD]~~~~~~~
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[WILDCARD]'console' is declared here.
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@ -1,5 +1,4 @@
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Compiling [WILDCARD]tests/error_004_missing_module.ts
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[WILDCARD]
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Uncaught NotFound: Cannot resolve module "bad-module.ts" from "[WILDCARD]/tests/error_004_missing_module.ts"
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at DenoError ([WILDCARD]/js/errors.ts:[WILDCARD])
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at maybeError ([WILDCARD]/js/errors.ts:[WILDCARD])
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@ -1,5 +1,4 @@
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Compiling [WILDCARD]tests/error_006_import_ext_failure.ts
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[WILDCARD]
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Uncaught NotFound: Cannot resolve module "./non-existent" from "[WILDCARD]/tests/error_006_import_ext_failure.ts"
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at DenoError ([WILDCARD]/js/errors.ts:[WILDCARD])
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at maybeError ([WILDCARD]/js/errors.ts:[WILDCARD])
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@ -1,5 +1,5 @@
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[WILDCARD]tests/error_008_checkjs.js:2:0
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consol.log("hello world!");
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^
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Uncaught ReferenceError: consol is not defined
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at [WILDCARD]tests/error_008_checkjs.js:2:1
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@ -1,4 +1,4 @@
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[WILDCARD]tests/error_syntax.js:3:5
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(the following is a syntax error ^^ ! )
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^^^^^^^^^
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Uncaught SyntaxError: Unexpected identifier
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@ -16,6 +16,12 @@ import argparse
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from util import root_path, tests_path, pattern_match, \
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green_ok, red_failed, rmtree, executable_suffix
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def strip_ansi_codes(s):
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ansi_escape = re.compile(r'\x1B\[[0-?]*[ -/]*[@-~]')
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return ansi_escape.sub('', s)
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def read_test(file_name):
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with open(file_name, "r") as f:
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test_file = f.read()
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@ -51,20 +57,20 @@ def integration_tests(deno_exe, test_filter = None):
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continue
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test_abs = os.path.join(tests_path, test_filename)
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print "read_test", test_abs
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test = read_test(test_abs)
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exit_code = int(test.get("exit_code", 0))
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args = test.get("args", "").split(" ")
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check_stderr = str2bool(test.get("check_stderr", "false"))
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stderr = subprocess.STDOUT if check_stderr else None
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stderr = subprocess.STDOUT if check_stderr else open(os.devnull, 'w')
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output_abs = os.path.join(root_path, test.get("output", ""))
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with open(output_abs, 'r') as f:
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expected_out = f.read()
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cmd = [deno_exe] + args
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print "test %s" % (test_filename)
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print " ".join(cmd)
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sys.stdout.write("tests/%s ... " % (test_filename))
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sys.stdout.flush()
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actual_code = 0
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try:
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actual_out = subprocess.check_output(
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@ -80,14 +86,16 @@ def integration_tests(deno_exe, test_filter = None):
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print actual_out
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sys.exit(1)
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actual_out = strip_ansi_codes(actual_out)
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if pattern_match(expected_out, actual_out) != True:
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print "... " + red_failed()
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print red_failed()
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print "Expected output does not match actual."
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print "Expected output: \n" + expected_out
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print "Actual output: \n" + actual_out
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sys.exit(1)
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print "... " + green_ok()
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print green_ok()
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def main():
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parser = argparse.ArgumentParser()
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