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Nim/compiler
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metagn bffd2e0330 don't evaluate "cannot eval" errors with nim check (#24289) 
fixes #24288, refs #23625

Since #23625 "cannot evaluate" errors during VM code generation are
"soft" errors with `nim check`, i.e. the code generation isn't halted
(except for the current proc which `return`s which can cause wrong
codegen) and the expression is still attempted to be evaluated. Now,
these errors signal to the VM that the current generated VM code cannot
be evaluated, and so instead of evaluating, an error node is returned.
This keeps the benefit of the "soft" errors without potentially crashing
the compiler on improperly generated VM code. Although maybe the
compiler might not be able to handle the generated error node in some
cases.

This fixes the chame example in #24288 but this is not tested in CI.
Presumably it or the compiler was doing something like `compiles()` on
code that can't run in the VM.

I would accept nicer ways of tracking non-evaluability than
`c.cannotEval = true` but I tried to keep it as harmless as possible.

(cherry picked from commit def1fea43a)
2025-01-14 07:35:43 +01:00
..
ic
opensym as node kind + fixed experimental switch (#23892)
2024-08-12 15:33:26 +02:00
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
fixes #24167; {.push deprecated.} for templates (#24170)
2024-09-25 13:00:06 +02:00
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
refactor: The popular 'r' field is now named 'snippet' (#23829)
2024-07-12 15:23:09 +02:00
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
cbuilder.nim
use cbuilder for tuple/object generation (#24145)
2024-09-27 11:12:39 +02:00
ccgcalls.nim
fixes #23923; type-aliased seq[T] get different backend C/C++ pointer type names causing invalid codegen (#23924)
2024-08-28 20:59:25 +02:00
ccgexprs.nim
fix deref/addr pair deleting assignment location in C++ (#24280)
2025-01-14 07:34:03 +01:00
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
remove fauxMatch for tyFromExpr, remove tyProxy and tyUnknown aliases (#24018)
2024-08-28 20:46:36 +02:00
ccgstmts.nim
fixes push warnings for sempass2 (#23603)
2024-09-03 09:19:52 +02:00
ccgthreadvars.nim
refactor: The popular 'r' field is now named 'snippet' (#23829)
2024-07-12 15:23:09 +02:00
ccgtrav.nim
refactor: The popular 'r' field is now named 'snippet' (#23829)
2024-07-12 15:23:09 +02:00
ccgtypes.nim
use cbuilder for tuple/object generation (#24145)
2024-09-27 11:12:39 +02:00
ccgutils.nim
fixes #23354; [backport] (#23685)
2024-06-07 09:01:30 +02:00
cgen.nim
use cbuilder for tuple/object generation (#24145)
2024-09-27 11:12:39 +02:00
cgendata.nim
fixes push warnings for sempass2 (#23603)
2024-09-03 09:19:52 +02:00
cgmeth.nim
refactor: The popular 'r' field is now named 'snippet' (#23829)
2024-07-12 15:23:09 +02:00
closureiters.nim
disable closure iterator changes in #23787 unless -d:nimOptIters is enabled (#24108)
2024-09-16 07:16:21 +02:00
cmdlinehelper.nim
fixes #23429; rework --verbosity with warnings/hints (#23441)
2024-03-28 11:04:12 +01:00
commands.nim
Implemented compileOption for experimental to test if a feature i… (#23933)
2024-08-12 15:18:56 +02:00
compiler.nimble
Create compiler and nimsuggest packages (#22118)
2023-06-18 16:06:14 +02:00
concepts.nim
refactor to make sigmatch use LayeredIdTable for bindings (#24216)
2025-01-14 07:31:33 +01:00
condsyms.nim
make genericsOpenSym work at instantiation time, new behavior in openSym (#24111)
2024-09-18 19:27:09 +02:00
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
remove conflicting default call in tables.getOrDefault (#24265)
2025-01-14 07:33:10 +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
implement template default values using other params (#24073)
2024-09-11 09:05:39 +02:00
expanddefaults.nim
remove fauxMatch for tyFromExpr, remove tyProxy and tyUnknown aliases (#24018)
2024-08-28 20:46:36 +02:00
extccomp.nim
use /link before each library linker option on MSVC (#24291)
2025-01-14 07:35:19 +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
fix type of reconstructed kind field node in field checking analysis [backport] (#24290)
2025-01-14 07:35:24 +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
Fix line info used for UnunsedImport from subdirectories (#24158)
2024-09-23 10:14:26 +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
fix cyclic node flag getting added to sink call [backport:2.0] (#24194)
2024-09-29 10:21:45 +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
enable closures tests for JS & implement finished for JS (#23521)
2024-09-09 14:20:40 +02:00
jstypes.nim
type refactoring: part 2 (#23059)
2023-12-13 10:29:58 +01:00
lambdalifting.nim
improve error messages for illegalCapture (#24214)
2025-01-14 07:28:10 +01:00
layeredtable.nim
refactor to make sigmatch use LayeredIdTable for bindings (#24216)
2025-01-14 07:31:33 +01:00
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 #24147; Copy hook causes an incompatible-pointer-types (#24149)
2024-09-22 13:51:51 +02:00
liftlocals.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
lineinfos.nim
stricter set type match, implicit conversion for literals (#24176)
2025-01-14 07:30:25 +01:00
linter.nim
make linter use lineinfo to check originating package (#24270)
2025-01-14 07:34:32 +01:00
llstream.nim
fixes nim secret not flushing stdout (#23862)
2024-07-20 05:40:38 +02:00
lookups.nim
treat resolved symbols on RHS of module qualification as identifiers (#24180)
2024-09-27 09:34:13 +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
remove nir; succeeded by nif (#23809)
2024-07-09 09:29:45 +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
modulegraphs: added a flag useful for gear2 (#24293)
2025-01-14 07:35:36 +01:00
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
Fixes #23624 "nim check crash" (#23625)
2024-09-16 20:45:00 +02:00
ndi.nim
refactor: The popular 'r' field is now named 'snippet' (#23829)
2024-07-12 15:23:09 +02:00
nilcheck.nim
fixes #22637; now --experimental:strictNotNil can be enabled globally (#23079)
2023-12-16 07:05:57 +01:00
nim.cfg
-d:nimPreviewFloatRoundtrip becomes the default (#24217)
2025-01-14 07:31:27 +01:00
nim.nim
fixes #23848; The comand nim gendepend defaults to ORC (#23851)
2024-07-17 18:25:19 +02:00
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
opensym as node kind + fixed experimental switch (#23892)
2024-08-12 15:33:26 +02:00
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
make genericsOpenSym work at instantiation time, new behavior in openSym (#24111)
2024-09-18 19:27:09 +02:00
packagehandling.nim
use strictdefs for compiler (#22365)
2023-08-06 14:26:21 +02:00
packages.nim
make linter use lineinfo to check originating package (#24270)
2025-01-14 07:34:32 +01:00
parampatterns.nim
allow conversions between var types of range types and base types (#24037)
2024-09-03 09:18:38 +02:00
parser.nim
require not nil to be on the same line after a type (#24134)
2024-09-18 22:45:19 +02:00
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
exports more helpers that are needed by nif-gear2 (#24247)
2025-01-14 07:31:51 +01:00
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
only merge valid implicit pragmas to routine AST, include templates (#24171)
2024-09-26 06:34:50 +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
pushpoppragmas.nim
fixes push warnings for sempass2 (#23603)
2024-09-03 09:19:52 +02:00
readme.md
clean up the documentation (#22196)
2023-07-02 22:36:05 +02:00
renderer.nim
render float128 literals (#24182)
2024-09-27 06:11:21 +02:00
renderverbatim.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
reorder.nim
fixes #24053; fixes #18288; relax reorder with push/pop pragmas restrictions; no crossing push/pop barriers (#24061)
2024-09-06 11:26:24 +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
refactor to make sigmatch use LayeredIdTable for bindings (#24216)
2025-01-14 07:31:33 +01:00
semcall.nim
refactor to make sigmatch use LayeredIdTable for bindings (#24216)
2025-01-14 07:31:33 +01:00
semdata.nim
refactor to make sigmatch use LayeredIdTable for bindings (#24216)
2025-01-14 07:31:33 +01:00
semexprs.nim
refactor to make sigmatch use LayeredIdTable for bindings (#24216)
2025-01-14 07:31:33 +01:00
semfields.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
semfold.nim
fix regression with uint constant losing abstract type (#24105)
2024-09-14 10:20:30 +08:00
semgnrc.nim
process non-language pragma nodes in generics (#24254)
2025-01-14 07:32:47 +01:00
seminst.nim
don't allow instantiations resolving to generic body types (#24273)
2025-01-14 07:33:27 +01:00
semmacrosanity.nim
Set type of object constructor during annotateType (#23852)
2024-07-17 23:54:15 +02:00
semmagic.nim
fix inTypeofContext leaking after compiles raises exception [backport:2.0] (#24152)
2024-09-22 13:51:19 +02:00
semobjconstr.nim
fixes requiresInit for var statements without initialization (#24177)
2024-09-26 06:28:40 +02:00
semparallel.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
sempass2.nim
fix segfault in effect tracking for sym node with nil type (#24114)
2024-09-17 14:01:48 +02:00
semstmts.nim
refactor to make sigmatch use LayeredIdTable for bindings (#24216)
2025-01-14 07:31:33 +01:00
semstrictfuncs.nim
alternative, much simpler algorithm for strict func checking (#21066)
2022-12-11 16:58:50 +01:00
semtempl.nim
process non-language pragma nodes in templates (#24183)
2025-01-14 07:32:12 +01:00
semtypes.nim
don't typecheck untyped + allow void typed template param default values (#24219)
2025-01-14 07:30:19 +01:00
semtypinst.nim
refactor to make sigmatch use LayeredIdTable for bindings (#24216)
2025-01-14 07:31:33 +01:00
sighashes.nim
remove nontoplevel type hack + consider symbol disamb in type hash (#23969)
2024-08-16 06:33:43 +02:00
sigmatch.nim
give int literals matched type on generic match (#24234)
2025-01-14 07:32:18 +01:00
sinkparameter_inference.nim
IC: progress and refactorings (#22961)
2023-11-20 21:12:13 +01:00
sizealignoffsetimpl.nim
fixes #22553; regression of offsetof(T, anFieldOfUncheckedArray) (#24014)
2024-08-27 09:45:30 +02:00
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 #24141; Calling algorithm reverse causes a SIGSEGV on ORC (#24142)
2024-09-19 15:17:25 +02:00
trees.nim
process non-language pragma nodes in templates (#24183)
2025-01-14 07:32:12 +01:00
treetab.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
typeallowed.nim
remove fauxMatch for tyFromExpr, remove tyProxy and tyUnknown aliases (#24018)
2024-08-28 20:46:36 +02:00
types.nim
fix logic for dcEqIgnoreDistinct in sameType (#24197)
2024-09-29 10:23:59 +02:00
typesrenderer.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
varpartitions.nim
fixes #23973; fixes #23974; Memory corruption with lent and ORC (#23981)
2024-08-20 11:57:47 +02:00
vm.nim
don't evaluate "cannot eval" errors with nim check (#24289)
2025-01-14 07:35:43 +01:00
vmconv.nim
Types: Refactorings; step 1 (#23055)
2023-12-12 16:54:50 +01:00
vmdef.nim
don't evaluate "cannot eval" errors with nim check (#24289)
2025-01-14 07:35:43 +01:00
vmdeps.nim
consider calling convention and iterator in getType for procs (#24181)
2024-09-27 11:11:21 +02:00
vmgen.nim
don't evaluate "cannot eval" errors with nim check (#24289)
2025-01-14 07:35:43 +01:00
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
fixes #23932; vmopsDanger for os.getCurrentDir errors (#23934)
2024-08-11 16:13:26 +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.