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42e8472ca6eab740c0879428bd119ec94e70fe74
Nim/compiler
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metagn 42e8472ca6 fix noreturn/implicit discard check logic (#23681) 
fixes #10440, fixes #13871, fixes #14665, fixes #19672, fixes #23677

The false positive in #23677 was caused by behavior in
`implicitlyDiscardable` where only the last node of `if`/`case`/`try`
etc expressions were considered, as in the final node of the final
branch (in this case `else`). To fix this we use the same iteration in
`implicitlyDiscardable` that we use in `endsInNoReturn`, with the
difference that for an `if`/`case`/`try` statement to be implicitly
discardable, all of its branches must be implicitly discardable.
`noreturn` calls are also considered implicitly discardable for this
reason, otherwise stuff like `if true: discardableCall() else: error()`
doesn't compile.

However `endsInNoReturn` also had bugs, one where `finally` was
considered in noreturn checking when it shouldn't, another where only
`nkIfStmt` was checked and not `nkIfExpr`, and the node given for the
error message was bad. So `endsInNoReturn` now skips over
`skipForDiscardable` which no longer contains
`nkIfStmt`/`nkCaseStmt`/`nkTryStmt`, stores the first encountered
returning node in a var parameter for the error message, and handles
`finally` and `nkIfExpr`.

Fixing #23677 already broke a line in `syncio` so some package code
might be affected.
2024-06-05 20:53:05 +02:00
..
ic
allow replacing captured syms in macro calls in generics (#23091)
2023-12-18 17:40:30 +01:00
nir
rework wasMoved, move on the JS backend (#23577)
2024-05-08 09:11:46 -06:00
plugins
Adds support for custom ASTs in the Nim parser (#23417)
2024-03-18 20:27:00 +01:00
aliasanalysis.nim
use strictdefs for compiler (#22365)
2023-08-06 14:26:21 +02:00
aliases.nim
type refactor: part 4 (#23077)
2023-12-15 10:20:57 +01:00
ast.nim
rework wasMoved, move on the JS backend (#23577)
2024-05-08 09:11:46 -06:00
astalgo.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
astmsgs.nim
fixes #23494; Wrong type in object construction error message (#23504)
2024-04-16 12:46:59 +02:00
astyaml.nim
types refactoring; WIP (#23086)
2023-12-17 18:43:52 +01:00
backendpragmas.nim
fixes #19795; fixes #11852; fixes #19974; remove parsing pipeline, Nim now parses the whole module at one time (#21379)
2023-02-22 20:34:20 +01:00
bitsets.nim
NIR: Nim intermediate representation (#22777)
2023-10-11 17:44:14 +02:00
btrees.nim
use strictdefs for compiler (#22365)
2023-08-06 14:26:21 +02:00
ccgcalls.nim
rework ctypes with gcc 14 (#23636)
2024-06-02 15:16:44 +02:00
ccgexprs.nim
fixes #23627; Simple destructor code gives invalid C (#23631)
2024-05-21 14:53:08 +02:00
ccgliterals.nim
store full definition AST for consts, fix noRewrite (#20115)
2022-09-28 15:05:01 +02:00
ccgmerge_unused.nim
removed unused sections in codegen (#20976)
2022-11-30 21:51:13 +01:00
ccgreset.nim
Fix reset code gen for range types (#22462, #23214) (#23215)
2024-01-18 14:40:22 +01:00
ccgstmts.nim
#Fixes #23657 C++ compilation fails with: 'T1_' was not declared in t… (#23666)
2024-06-02 15:15:03 +02:00
ccgthreadvars.nim
no ropes WIP (#20433)
2022-09-27 10:57:47 +02:00
ccgtrav.nim
type refactor: part 4 (#23077)
2023-12-15 10:20:57 +01:00
ccgtypes.nim
#Fixes #23657 C++ compilation fails with: 'T1_' was not declared in t… (#23666)
2024-06-02 15:15:03 +02:00
ccgutils.nim
Skips generic owner when mangling instances (#23563)
2024-05-07 15:03:53 -06:00
cgen.nim
#Fixes #23657 C++ compilation fails with: 'T1_' was not declared in t… (#23666)
2024-06-02 15:15:03 +02:00
cgendata.nim
chore: fix some typos (#23412)
2024-03-16 08:35:18 +08:00
cgmeth.nim
fixes #23273; forbids methods having importc pragmas (#23324)
2024-03-03 16:04:24 +01:00
closureiters.nim
fixes #4695; closure iterators support for JS backend (#23493)
2024-04-18 18:52:30 +02:00
cmdlinehelper.nim
fixes #23429; rework --verbosity with warnings/hints (#23441)
2024-03-28 11:04:12 +01:00
commands.nim
IC: progress and refactorings (#22961)
2023-11-20 21:12:13 +01:00
compiler.nimble
Create compiler and nimsuggest packages (#22118)
2023-06-18 16:06:14 +02:00
concepts.nim
chore: fix some typos (#23412)
2024-03-16 08:35:18 +08:00
condsyms.nim
Mark macros.error as .noreturn. (#23081)
2023-12-17 12:29:46 +01:00
debuginfo.nim
happy new year
2017-01-07 22:35:09 +01:00
debugutils.nim
Extend and document compiler debugging utilities (#19841)
2022-06-10 20:40:08 +02:00
depends.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
dfa.nim
updated compiler DFA docs (#23527)
2024-04-22 13:04:30 +02:00
docgen2.nim
use strictdefs for compiler (#22365)
2023-08-06 14:26:21 +02:00
docgen.nim
retain postfix node in type section typed AST, with docgen fix (#23101)
2023-12-23 09:22:49 +01:00
enumtostr.nim
types refactoring; WIP (#23086)
2023-12-17 18:43:52 +01:00
errorhandling.nim
IC: progress and refactorings (#22961)
2023-11-20 21:12:13 +01:00
evalffi.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
evaltempl.nim
refactoring: no inheritance for PType/PSym (#23403)
2024-03-14 19:23:18 +01:00
expanddefaults.nim
type refactor: part 4 (#23077)
2023-12-15 10:20:57 +01:00
extccomp.nim
compute checksum of nim files early in the pipelines (#23268)
2024-01-31 21:36:59 +01:00
filter_tmpl.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
filters.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
gorgeimpl.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
guards.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
hlo.nim
Fix #22604: Make endsInNoReturn traverse the tree (#22612)
2023-09-01 06:41:39 +02:00
idents.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
importer.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
index.nim
walkDirRecFilter, update doc CI filter, compiler/index.nim for docs + various other fixes (#14501)
2020-06-01 19:21:41 +02:00
injectdestructors.nim
fixes #23524; global variables cannot be analysed when injecting move (#23529)
2024-04-24 12:47:05 +02:00
installer.ini
Add linux/loongarch64 support in 'compiler/installer.ini' (#23672)
2024-06-04 09:50:35 +02:00
int128.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
isolation_check.nim
type graph refactor; part 3 (#23064)
2023-12-14 16:25:34 +01:00
jsgen.nim
improve view types for jsgen; eliminate unnecessary copies of view types (#23654)
2024-06-02 15:15:31 +02:00
jstypes.nim
type refactoring: part 2 (#23059)
2023-12-13 10:29:58 +01:00
lambdalifting.nim
fixes #23522; fixes pre-existing wrong type for iter in liftIterSym (#23538)
2024-04-26 19:00:25 +08:00
layouter.nim
nimpretty: check the rendered AST for wrong output (#23057)
2023-12-13 10:39:10 +01:00
lexer.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
liftdestructors.nim
fixes lifting subtype calling parent's hooks (#23612)
2024-05-15 20:52:18 +02:00
liftlocals.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
lineinfos.nim
#Fixes #23657 C++ compilation fails with: 'T1_' was not declared in t… (#23666)
2024-06-02 15:15:03 +02:00
linter.nim
use strictdefs for compiler (#22365)
2023-08-06 14:26:21 +02:00
llstream.nim
Add missing std prefix (#22910)
2023-11-04 17:46:59 +08:00
lookups.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
lowerings.nim
type refactoring: part 2 (#23059)
2023-12-13 10:29:58 +01:00
macrocacheimpl.nim
IC: next steps (#16632)
2021-01-12 09:36:51 +01:00
magicsys.nim
Types: Refactorings; step 1 (#23055)
2023-12-12 16:54:50 +01:00
main.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
mangleutils.nim
apply the new mangle algorithm to JS backend for parameters and procs (#23476)
2024-04-05 08:54:48 +02:00
modulegraphs.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
modulepaths.nim
fixes #23167; take nkOpenSymChoice into consideration caused by templates [backport] (#23168)
2024-01-05 08:17:08 +01:00
modules.nim
compute checksum of nim files early in the pipelines (#23268)
2024-01-31 21:36:59 +01:00
msgs.nim
* fix for the debug line info code generation (#23488)
2024-04-22 13:55:14 +02:00
ndi.nim
move assertions out of system (#19599)
2022-03-23 20:34:53 +01:00
nilcheck.nim
fixes #22637; now --experimental:strictNotNil can be enabled globally (#23079)
2023-12-16 07:05:57 +01:00
nim.cfg
enable vtable implementation for C++ and make it an experimental feature (#23004)
2023-11-30 14:05:45 +01:00
nim.nim
fixes #23065; DocLike command defaults to ORC (#23075)
2023-12-14 17:04:09 +01:00
nimblecmd.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
nimconf.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
nimeval.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
nimlexbase.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
nimpaths.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
nimsets.nim
Types: Refactorings; step 1 (#23055)
2023-12-12 16:54:50 +01:00
nodejs.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
nodekinds.nim
Adds support for custom ASTs in the Nim parser (#23417)
2024-03-18 20:27:00 +01:00
nversion.nim
warn on set types bigger than max size, default to 0..255 for int literals (#21659)
2023-04-17 20:55:22 +02:00
optimizer.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
options.nim
+ added nimsuggest support for exception inlay hints (#23202)
2024-03-15 18:20:10 +01:00
packagehandling.nim
use strictdefs for compiler (#22365)
2023-08-06 14:26:21 +02:00
packages.nim
refactoring in preparation for better, simpler name mangling that wor… (#21667)
2023-04-24 06:52:37 +02:00
parampatterns.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
parser.nim
Adds support for custom ASTs in the Nim parser (#23417)
2024-03-18 20:27:00 +01:00
passaux.nim
test removing dollar for objects out of system (#20242)
2022-08-24 09:44:16 +02:00
passes.nim
IC: progress and refactorings (#22961)
2023-11-20 21:12:13 +01:00
pathutils.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
patterns.nim
types refactoring; WIP (#23086)
2023-12-17 18:43:52 +01:00
pipelines.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
pipelineutils.nim
replaces implicit passes array registed at runtime with explicit function calls; simplify compilation pipeline (#21444)
2023-03-03 07:36:38 +01:00
platform.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
pluginsupport.nim
refactoring: fewer global variables
2018-05-27 19:19:12 +02:00
pragmas.nim
Allow to exportc params. (#23396)
2024-05-10 10:35:23 +02:00
prefixmatches.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
procfind.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
readme.md
clean up the documentation (#22196)
2023-07-02 22:36:05 +02:00
renderer.nim
fix spurious indent and newlines in rendering of nkRecList (#23121)
2023-12-24 15:22:10 +01:00
renderverbatim.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
reorder.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
rodutils.nim
NIR: C codegen additions (#22914)
2023-11-06 18:33:28 +01:00
ropes.nim
replaces doAssert false with raiseAssert for unreachable branches, which works better with strictdefs (#22436)
2023-08-10 14:26:40 +02:00
saturate.nim
fix warnings for deprecated low and high (#15291)
2020-09-11 01:04:07 +02:00
scriptconfig.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
sem.nim
fix noreturn/implicit discard check logic (#23681)
2024-06-05 20:53:05 +02:00
semcall.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
semdata.nim
refactoring: no inheritance for PType/PSym (#23403)
2024-03-14 19:23:18 +01:00
semexprs.nim
fixes openarray hoist with gcc 14 (#23647)
2024-06-04 09:43:12 +02:00
semfields.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
semfold.nim
remove unused magics: mIntToStr, mInt64ToStr, mFloatToStr (#23486)
2024-04-09 14:39:14 +02:00
semgnrc.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
seminst.nim
refactoring: no inheritance for PType/PSym (#23403)
2024-03-14 19:23:18 +01:00
semmacrosanity.nim
type refactor: part 4 (#23077)
2023-12-15 10:20:57 +01:00
semmagic.nim
Skip tyAlias inside semTypeTraits in case a concept accidently emits one (#23640)
2024-05-23 20:15:20 +02:00
semobjconstr.nim
fixes #23494; Wrong type in object construction error message (#23504)
2024-04-16 12:46:59 +02:00
semparallel.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
sempass2.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
semstmts.nim
fix noreturn/implicit discard check logic (#23681)
2024-06-05 20:53:05 +02:00
semstrictfuncs.nim
alternative, much simpler algorithm for strict func checking (#21066)
2022-12-11 16:58:50 +01:00
semtempl.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
semtypes.nim
unordered enum for better interoperability with C (#23585)
2024-05-10 10:32:07 +02:00
semtypinst.nim
refactoring: no inheritance for PType/PSym (#23403)
2024-03-14 19:23:18 +01:00
sighashes.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
sigmatch.nim
fixes #22409; don't check style for enumFieldSymChoice in the function (#23580)
2024-05-08 09:10:48 -06:00
sinkparameter_inference.nim
IC: progress and refactorings (#22961)
2023-11-20 21:12:13 +01:00
sizealignoffsetimpl.nim
type graph refactor; part 3 (#23064)
2023-12-14 16:25:34 +01:00
sourcemap.nim
chore: fix some typos (#23412)
2024-03-16 08:35:18 +08:00
spawn.nim
fixes#23665; rework spawn with gcc 14 and fixes other tests (#23660)
2024-06-02 11:54:39 +02:00
suggest.nim
fixes #22409; don't check style for enumFieldSymChoice in the function (#23580)
2024-05-08 09:10:48 -06:00
suggestsymdb.nim
+ added nimsuggest support for exception inlay hints (#23202)
2024-03-15 18:20:10 +01:00
syntaxes.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
tccgen.nim
replaces doAssert false with raiseAssert for unreachable branches, which works better with strictdefs (#22436)
2023-08-10 14:26:40 +02:00
transf.nim
fixes #23536; Stack trace with wrong line number when the proc called inside for loop (#23540)
2024-04-26 16:02:02 +02:00
trees.nim
fixes #23295; don't expand constants for complex structures (#23297)
2024-02-20 07:31:58 +01:00
treetab.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
typeallowed.nim
fixes #23419; internal error with void in generic array instantiation (#23550)
2024-05-01 09:02:43 +02:00
types.nim
Converted the 'invalid kind for firstOrd/lastOrd(XXX)' messages from internal errors to fatal errors. (#23443)
2024-03-27 10:51:44 +01:00
typesrenderer.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
varpartitions.nim
fixes #22218; avoids cursor when copy is disabled (#23209)
2024-01-18 21:47:13 +01:00
vm.nim
fixes an issue with string to 'var openArray' at compile-time; [backp… (#23363)
2024-03-03 15:40:08 +01:00
vmconv.nim
Types: Refactorings; step 1 (#23055)
2023-12-12 16:54:50 +01:00
vmdef.nim
fix getNullValue for cstring in VM, make other VM code aware of nil cstring (#22527)
2023-08-21 20:08:00 +02:00
vmdeps.nim
type refactor: part 4 (#23077)
2023-12-15 10:20:57 +01:00
vmgen.nim
rework wasMoved, move on the JS backend (#23577)
2024-05-08 09:11:46 -06:00
vmhooks.nim
replaces doAssert false with raiseAssert for unreachable branches, which works better with strictdefs (#22436)
2023-08-10 14:26:40 +02:00
vmmarshal.nim
fixes addr/hiddenAddr in strictdefs (#23477)
2024-04-10 14:41:16 +02:00
vmops.nim
Add staticFileExists and staticDirExists (#22278)
2023-08-18 16:47:47 +02:00
vmprofiler.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
vtables.nim
types refactoring; WIP (#23086)
2023-12-17 18:43:52 +01:00
wordrecg.nim
Asm syntax pragma (#23119)
2023-12-25 07:12:54 +01:00

readme.md

Nim Compiler

  • This directory contains the Nim compiler written in Nim.
  • Note that this code has been translated from a bootstrapping version written in Pascal.
  • So the code is not a poster child of good Nim code.

See Internals of the Nim Compiler for more information.