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Add notpossible keyword

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This is the same as `unreachable` except it always traps violations,
even if we're not running in MODE=dbg. This is useful for impossible
conditions relating to system calls. It avoids terrifying bugs where
control falls through to an unrelated function.
This commit is contained in:
Justine Tunney 2022-09-03 20:35:31 -07:00
parent b66bd064d8
commit 0c70e8963d
12 changed files with 27 additions and 26 deletions
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1
tool/emacs/c.lang
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@ -117,6 +117,7 @@ Keywords={
"reallocesque",
"nullterminated",
"unreachable",
"notpossible",
"hidden",
"privileged",
"hasatleast",

1
tool/emacs/cosmo-c-keywords.el
View file

@ -61,6 +61,7 @@
"reallocesque"
"nullterminated"
"unreachable"
"notpossible"
"hidden"
"privileged"
"hasatleast"

2
tool/emacs/key.py
View file

@ -378,6 +378,7 @@ cosmo_kws = frozenset([
"threadlocal",
"typeof",
"unreachable",
"notpossible",
"warnifused",
"winstruct",
"nocallersavedregisters",
@ -440,6 +441,7 @@ cosmo_kws = frozenset([
"threadlocal",
"typeof",
"unreachable",
"notpossible",
"warnifused",
"winstruct",
"nocallersavedregisters",