fish-shell/tests/checks/syntax-error-location.fish
Fabian Boehm 4d2f7b0c0d
ast: Require --help to parse more keywords as decorated statement (#10000)
This makes it so

```fish
if -e foo
    # do something
end
```

complains about `-e` not being a command instead of `end` being used
outside of an if-block.

That means both that `-e` could now be used as a command name (it
already can outside of `if`!) *and* that we get a better error!

The only way to get `if` to be a decorated statement now is to use `if
-h` or `if --help` specifically (with a literal option).

The same goes for switch, while and begin.

It would be possible, alternatively, to disallow `if -e` and point
towards using `test` instead, but the "unknown command" message should
already point towards using `test` more than pointing at the
"end" (that might be quite far away).
2023-09-19 17:34:13 +02:00

91 lines
3 KiB
Fish

#RUN: %fish -C 'set -g fish %fish' %s
# A $status used as a command should not impact the location of other errors.
echo 'echo foo | exec grep # this exec is not allowed!
$status
# The error might be found here!' | $fish 2>| string replace -r '(.*)' '<$1>'
# CHECK: <fish: The 'exec' command can not be used in a pipeline>
# CHECK: <echo foo | exec grep # this exec is not allowed!>
# CHECK: < ^~~~~~~~^>
echo 'true | time false' | $fish 2>| string replace -r '(.*)' '<$1>'
# CHECK: <fish: The 'time' command may only be at the beginning of a pipeline>
# CHECK: <true | time false>
# CHECK: < ^~~~~~~~~^>
echo '
FOO=BAR (true one)
(true two)
# more things
' | $fish 2>| string replace -r '(.*)' '<$1>'
# CHECK: <fish: command substitutions not allowed here>
# CHECK: <FOO=BAR (true one)>
# CHECK: < ^~~~~~~~~^>
$fish -c 'echo "unfinished "(subshell' 2>| string replace -r '.*' '<$0>'
# CHECK: <fish: Unexpected end of string, expecting ')'>
# CHECK: <echo "unfinished "(subshell>
# CHECK: < ^>
$fish -c 'echo "unfinished "$(subshell' 2>| string replace -r '.*' '<$0>'
# CHECK: <fish: Unexpected end of string, expecting ')'>
# CHECK: <echo "unfinished "$(subshell>
# CHECK: < ^>
$fish -c 'echo "ok $(echo still ok)syntax error: \x"' 2>| string replace -r '.*' '<$0>'
# CHECK: <fish: Invalid token '"ok $(echo still ok)syntax error: \x"'>
# CHECK: <echo "ok $(echo still ok)syntax error: \x">
# CHECK: < ^~~~~~~~~~~~~~~~^>
echo "function this_should_be_an_error" >$TMPDIR/this_should_be_an_error.fish
$fish -c "set -g fish_function_path $(string escape $TMPDIR); this_should_be_an_error"
# CHECKERR: ~/temp/this_should_be_an_error.fish (line 1): Missing end to balance this function definition
# CHECKERR: function this_should_be_an_error
# CHECKERR: ^~~~~~~^
# CHECKERR: from sourcing file ~/temp/this_should_be_an_error.fish
# CHECKERR: source: Error while reading file '{{.*}}/this_should_be_an_error.fish'
# CHECKERR: fish: Unknown command: this_should_be_an_error
# CHECKERR: fish:
# CHECKERR: set -g fish_function_path {{.*}}; this_should_be_an_error
# CHECKERR: ^~~~~~~~~~~~~~~~~~~~~~^
$fish -c 'echo {$}'
# CHECKERR: fish: Expected a variable name after this $.
# CHECKERR: echo {$}
# CHECKERR: ^
$fish -c 'echo {$,}'
# CHECKERR: fish: Expected a variable name after this $.
# CHECKERR: echo {$,}
# CHECKERR: ^
echo "bind -M" | $fish
# CHECKERR: bind: -M: option requires an argument
# CHECKERR: Standard input (line 1):
# CHECKERR: bind -M
# CHECKERR: ^
# CHECKERR: (Type 'help bind' for related documentation)
$fish -c 'if -e; end'
# CHECKERR: fish: Unknown command: -e
# CHECKERR: fish:
# CHECKERR: if -e; end
# CHECKERR: ^^
$fish -c 'begin --notanoption; end'
# CHECKERR: fish: Unknown command: --notanoption
# CHECKERR: fish:
# CHECKERR: begin --notanoption; end
# CHECKERR: ^~~~~~~~~~~~^
$fish -c 'begin --help'
# CHECKERR: fish: begin: missing man page
# CHECKERR: Documentation may not be installed.
# CHECKERR: `help begin` will show an online version