The actual problem was with the line parsing logic for string literals.
When we use backslash in the string literals, it used to remember the
`\` as the previous character even after we parsed the character next
to it. This leads to REPL thinking that the end of string literals is
not reached.
This patch replaces the previous character with `null`, so that it will
properly skip the character next to it.
Previous Discussion: https://github.com/nodejs/node/pull/2952
Fixes: https://github.com/nodejs/node/issues/2749
PR-URL: https://github.com/nodejs/node/pull/2968
Reviewed-By: Roman Reiss <me@silverwind.io>
This commit replaces instances of io.js with Node.js, based on the
recent convergence. There are some remaining instances of io.js,
related to build and the installer.
Fixes: https://github.com/nodejs/node/issues/2361
PR-URL: https://github.com/nodejs/node/pull/2367
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: João Reis <reis@janeasystems.com>
In REPL, if we evaluate the `RegExp` object's predefined properties,
and if they happen to have the same expression, for example,
> RegExp.$1
'RegExp.$1'
then doing `eval(RegExp.$1)` would evaluate `RegExp.$1` recursively and
eventually throw `RangeError: Maximum call stack size exceeded`.
This patch stores the old values of `RegExp`'s predefined proprties in
an array and restores them just before the current expression entered
by user is evaluated.
Fixes: https://github.com/nodejs/io.js/issues/597
PR-URL: https://github.com/nodejs/io.js/pull/2137
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
In REPL, if we try to evaluate an empty line, we get `undefined`.
> process.version
'v2.3.4'
>
undefined
>
undefined
>
This patch prevents `undefined` from printing if the string is empty.
> process.version
'v2.3.5-pre'
>
>
>
PR-URL: https://github.com/nodejs/io.js/pull/2163
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
As it is, REPL doesn't honour the line continuation feature very well.
This patch
1. keeps track of the beginning of the string literals and if they
don't end or current line doesn't end with line continuation, then
error out.
2. monitors if the line continuation character is used without the
string literal and errors out if that happens.
PR-URL: https://github.com/nodejs/io.js/pull/2163
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
When an inherited property is used as a REPL keyword, the REPL crashes.
➜ Desktop iojs
> process.version
'v2.3.4'
> .toString
readline.js:913
stream[ESCAPE_DECODER].next(r[i]);
^
TypeError: Cannot read property 'call' of undefined
at REPLServer.parseREPLKeyword (repl.js:746:15)
at REPLServer.<anonymous> (repl.js:284:16)
at emitOne (events.js:77:13)
at REPLServer.emit (events.js:169:7)
at REPLServer.Interface._onLine (readline.js:210:10)
at REPLServer.Interface._line (readline.js:549:8)
at REPLServer.Interface._ttyWrite (readline.js:826:14)
at ReadStream.onkeypress (readline.js:105:10)
at emitTwo (events.js:87:13)
at ReadStream.emit (events.js:172:7)
➜ Desktop
This patch makes the internal `commands` object inherit from `null` so
that there will be no inherited properties.
> process.version
'v2.3.5-pre'
> .toString
Invalid REPL keyword
>
PR-URL: https://github.com/nodejs/io.js/pull/2163
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
When an invalid REPL keyword is used, we actually print `undefined` as
well in the console.
> process.version
'v2.3.4'
> .invalid_repl_command
Invalid REPL keyword
undefined
>
This patch prevents printing `undefined` in this case.
> process.version
'v2.3.5-pre'
> .invalid_repl_command
Invalid REPL keyword
>
PR-URL: https://github.com/nodejs/io.js/pull/2163
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Enable linting for the test directory. A number of changes was made so
all tests conform the current rules used by lib and src directories. The
only exception for tests is that unreachable (dead) code is allowed.
test-fs-non-number-arguments-throw had to be excluded from the changes
because of a weird issue on Windows CI.
PR-URL: https://github.com/nodejs/io.js/pull/1721
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
This commit applies some secondary changes in order to make `make test`
pass cleanly:
* disable broken postmortem debugging in common.gypi
* drop obsolete strict mode test in parallel/test-repl
* drop obsolete test parallel/test-v8-features
PR-URL: https://github.com/iojs/io.js/pull/1232
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Let REPL enter multiline mode if user's input contains unterminated
template literals.
PR-URL: https://github.com/iojs/io.js/pull/333
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
The copyright and license notice is already in the LICENSE file. There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
Per the ES6 spec, V8 3.31 no longer throws a SyntaxError for scoped
function declarations.
PR-URL: https://github.com/iojs/io.js/pull/243
Reviewed-By: Domenic Denicola <domenic@domenicdenicola.com>
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Replace the growing list of 'isSyntaxError' whackamole conditions with a
smarter approach. This creates a vm Script object *first*, which will
parse the code and raise a SyntaxError right away.
We still do need the test function, but only because strict mode syntax
errors are not recoverable, and should be raised right away. Really, we
should probably *only* continue on "unexpected end of input" SyntaxErrors.
Also fixes a very difficult-to-test nit where the '...' indentation is
not properly cleared when you ^C out of a syntax error.
Closes#6093
Before this, entering something like:
> JSON.parse('066');
resulted in the "..." prompt instead of displaying the expected
"SyntaxError: Unexpected number"
In JS, the expression ".1" is a floating point number. Issue 4268 concerns the
REPL interpreting floating point numbers that lead with a "." as keywords. The
original bugfix worked for this specific case but not for the general case:
var x = [
.1,
.2,
.3
];
The attached change and test (`.1+.1` should be `.2`) fix the bug.
Closes#4513.
Before there was this weird module-scoped "context" variable which seemingly
shared the "context" of subsequent REPL instances, unless ".clear" was invoked
inside the REPL. To be proper, we need to ensure that each REPL gets its own
"context" object. I literally don't know why this "sharing" behavior was in place
before, but it was just plain wrong.
Wrong order of operands was causing problems while trying to use command
buffering:
> {
... a: 3,
...
repl.js:284
if (cmd.trim().match(/^npm /) && !self.bufferedCommand) {
^
TypeError: Cannot call method 'trim' of undefined
at finish (repl.js:284:17)
at REPLServer.self.eval (repl.js:118:5)
at rli.on.e (repl.js:260:20)
at REPLServer.self.eval (repl.js:118:5)
at Interface.<anonymous> (repl.js:250:12)
at Interface.EventEmitter.emit (events.js:88:17)
at Interface._onLine (readline.js:183:10)
at Interface._line (readline.js:502:8)
at Interface._ttyWrite (readline.js:720:14)
at ReadStream.<anonymous> (readline.js:105:12)
Test included.
Closes#3515.
Closes#3517.
Closes#3621.
Repl is doing double evaluation of code: wrapped in parens and without
them. That's needed to allow users typing multiline chunks of code by
handling syntax errors on repl side. However if function declaration is
wrapped in parens (`(function a() {})`) calling it will be impossible,
so we're evaluating functions twice. That works fine for declaration,
but if entered code chunk returns function - it should not be called
twice.
fix#2773
Fixes#2063.
REPLServer.prototype.resetContext:
Reset the line cache
REPLServer.prototype.memory (don't know if I like that name, called from finish)
pushes what cmd's have been executed against it into this.lines
pushes the "tab depth" for bufferedCommands, in this.lines.level
REPLServer.prototype.displayPrompt:
Uses "tab depth" from this.lines.level to adjust the prompt to visually
denote this depth e.g.
> asdf = function () {
… var inner = {
….. one:1
REPLServer.prototype.complete:
Now notices if there is a bufferedCommand and attempts determine locally
scoped variables by removing any functions from this.lines and evaling these
lines in a nested REPL e.g.
> asdf = function () {
… var inner = { one: 1};
… inn\t
will complete to 'inner' and inner.o\t will complete to 'inner.one'
If the nested REPL still has a bufferedCommand it will falls back to the
default.
ArrayStream is a helper class for the nested REPL to get commands pushed to it.
new REPLServer('', new ArrayStream());
Finally added two new REPL commands .save and .load, each takes 1 parameter,
a file and attempts to save or load the file to or from the REPL
respectively.
Sakthipriyan Vairamani
cjihrig
Roman Reiss
Ben Noordhuis
Xiaowei Li
isaacs
Fedor Indutny
Yazhong Liu
Fedor Indutny
Brian White
Nathan Rajlich
Felix Böhm
Nirk Niggler
Maciej Małecki
seebees
Colton Baker
Ryan Dahl
koichik
Oleg Efimov