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b3305a6568b7809899f6a85fd96f63e5fda0ea2a
Nim/compiler
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Araq b3305a6568 IC: NimMain init orchestration for the per-module backend (Phase 2b) 
In the per-module model each module's init/datInit proc is generated by its
own cg process, but NimMain (emitted with the main module) must call them all.
Previously the main module's cg only registered its own init, so a/b's globals
stayed at their defaults -- the linked exe ran but printed wrong values.

When the cg target is the main module, register every other loaded module's
init/datInit into NimMain via registerReusedModuleToMain (exported), reading
each module's initRequired/datInitRequired from its .c.nif meta head. This is
the same no-codegen registration the whole-program backend uses for reused
TUs; it requires the main module's cg to run last, after every other .c.nif
exists (the per-module nifmake graph will order it so). Modules without init
code have no .c.nif and register nothing.

Validated: the 3-module diamond now builds end-to-end through the per-module
pipeline (cg all with main last, merge, emit all, cc, link) and the resulting
executable prints the correct "16 23" -- matching the whole-program build.
koch ic thallo green.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-13 22:52:01 +02:00
..
ic
IC: progress
2026-06-10 12:04:42 +02:00
plugins
massive refactoring for IC (#25282)
2025-11-13 21:31:24 +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
ast2nif.nim
IC: cleaner design, updated design document
2026-06-13 13:55:58 +02:00
ast.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
astalgo.nim
IC: progress (#25314)
2025-12-01 22:59:12 +01:00
astdef.nim
refactoring
2026-06-11 10:36:04 +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
Yrc typos and omissions (#25500)
2026-02-10 13:21:35 +01:00
cbuilderbase.nim
fixes nightlies failures (#24456)
2024-11-19 08:51:54 +01:00
cbuilderdecls.nim
fixes #25405; initialization for objects with opaque importc fields (#25406)
2026-01-05 15:21:59 +01:00
cbuilderexprs.nim
cbuilder: use constants for type names, some cleanups (#24438)
2024-11-18 17:34:37 +01:00
cbuilderstmts.nim
cbuilder: use constants for type names, some cleanups (#24438)
2024-11-18 17:34:37 +01:00
ccgcalls.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
ccgexprs.nim
IC: data ownership for the per-module backend (Phase 2b, B4)
2026-06-13 22:49:13 +02:00
ccgliterals.nim
SSO: better switch to enable it (#25772)
2026-04-27 18:00:29 +02:00
ccgmerge_unused.nim
removed unused sections in codegen (#20976)
2022-11-30 21:51:13 +01:00
ccgreset.nim
fixes #25205 #14873; resets importc obj with nimZeroMem in specializeResetT for refc (#25207)
2025-10-06 21:55:31 +02:00
ccgstmts.nim
IC: beginnings of the backend porting
2026-06-11 21:51:59 +02:00
ccgthreadvars.nim
cbuilder: use constants for type names, some cleanups (#24438)
2024-11-18 17:34:37 +01:00
ccgtrav.nim
cbuilder: use constants for type names, some cleanups (#24438)
2024-11-18 17:34:37 +01:00
ccgtypes.nim
IC: data ownership for the per-module backend (Phase 2b, B4)
2026-06-13 22:49:13 +02:00
ccgutils.nim
IC: module suffix is now the trailing token of mangled C names
2026-06-13 22:09:16 +02:00
cgen.nim
IC: NimMain init orchestration for the per-module backend (Phase 2b)
2026-06-13 22:52:01 +02:00
cgendata.nim
IC: Iface-gate the nifc step
2026-06-12 12:47:06 +02:00
cgmeth.nim
progress
2026-06-12 16:27:41 +02:00
closureiters.nim
fixes #25596 (#25609)
2026-03-16 16:56:18 +01:00
cmdlinehelper.nim
fixes #23429; rework --verbosity with warnings/hints (#23441)
2024-03-28 11:04:12 +01:00
cnif.nim
IC: data ownership for the per-module backend (Phase 2b, B4)
2026-06-13 22:49:13 +02:00
commands.nim
IC: add inert --icBackendStage/--icBackendModule switches (Phase 2b scaffold)
2026-06-13 21:03:55 +02:00
compiler.nimble
Create compiler and nimsuggest packages (#22118)
2023-06-18 16:06:14 +02:00
concepts.nim
reduce imports (#25398)
2025-12-31 13:33:57 +01:00
condsyms.nim
fixes #24706; Warn on implicit range downsizing (#25451)
2026-02-01 17:06:33 +01:00
dce.nim
make the backend incremental too
2026-06-12 06:05:31 +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
deps.nim
IC: split the build file into frontend and backend (Phase 2a)
2026-06-13 20:50:11 +02:00
dfa.nim
Yrc typos and omissions (#25500)
2026-02-10 13:21:35 +01:00
docgen2.nim
use strictdefs for compiler (#22365)
2023-08-06 14:26:21 +02:00
docgen.nim
fixes #25670; docgen: cmpDecimalsIgnoreCase max() used wrong index for b (#25669)
2026-03-27 10:20:10 +01:00
enumtostr.nim
IC: Iface-gate the nifc step
2026-06-12 12:47:06 +02:00
errorhandling.nim
IC: progress and refactorings (#22961)
2023-11-20 21:12:13 +01:00
evalffi.nim
IC: progress (#25344)
2025-12-11 18:22:38 +01:00
evaltempl.nim
IC: progress (#25344)
2025-12-11 18:22:38 +01:00
expanddefaults.nim
remove fauxMatch for tyFromExpr, remove tyProxy and tyUnknown aliases (#24018)
2024-08-28 20:46:36 +02:00
extccomp.nim
Create Mac app bundle for GUI apps on macOS when --app:gui is used (#25042)
2025-07-14 23:14:06 +02:00
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 #22791; ProveField warning with nested case object (#25774)
2026-05-27 23:29:27 +02:00
hlo.nim
Fixes #25304 proper test for hlo recursion limit (#25305)
2025-11-21 21:26:43 +01:00
icconfig.nim
missing file
2026-06-13 10:16:29 +02:00
idents.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
importer.nim
fix: implicit imports drop std/ prefix (#25780)
2026-05-08 06:50:13 +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 #25850 (#25875)
2026-06-07 19:55:56 +02:00
inliner.nim
IC progress (#25283)
2025-11-25 12:49:23 +01:00
installer.ini
fixes nightlies due to UB errors; increase maxCPU hard limits (#25219)
2025-10-13 13:47:06 +02:00
int128.nim
SSO for strings (#25593)
2026-04-02 07:19:43 +02:00
isolation_check.nim
docs: fix typos (#24573)
2024-12-27 19:42:18 +01:00
itemids.nim
refactoring
2026-06-11 10:36:04 +02:00
jsgen.nim
fixes #25751; JS backend crashes when returning Option[T] with custom =destroy (#25752)
2026-04-18 09:40:55 +02:00
jstypes.nim
fixes #25043: js tyUserTypeClass internal error (#25044)
2025-07-14 23:15:44 +02:00
lambdalifting.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
layeredtable.nim
SSO for strings (#25593)
2026-04-02 07:19:43 +02:00
layouter.nim
nimpretty: check the rendered AST for wrong output (#23057)
2023-12-13 10:39:10 +01:00
lexer.nim
fixes #25821; unary minus off by one mistake [backport] (#25823)
2026-05-18 07:55:33 +02:00
liftdestructors.nim
IC/refc: no-op value hooks for tyUncheckedArray
2026-06-13 20:21:30 +02:00
liftlocals.nim
IC: progress (#25344)
2025-12-11 18:22:38 +01:00
lineinfos.nim
fixes-25655; defining >= operator generates compile error (#25787)
2026-06-08 09:00:00 +02:00
linter.nim
fixes #19831; add --styleCheck:warning (#25456)
2026-01-23 22:50:00 +01:00
llstream.nim
SSO for strings (#25593)
2026-04-02 07:19:43 +02:00
lookups.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
lowerings.nim
refactoring
2026-06-11 10:36:04 +02:00
macrocacheimpl.nim
IC: next steps (#16632)
2021-01-12 09:36:51 +01:00
magicsys.nim
fix compiler crash with uncheckedAssign and range/distinct discrims [backport] (#25585)
2026-03-07 07:39:57 +01:00
main.nim
progress
2026-06-12 16:27:41 +02:00
mangleutils.nim
IC: module suffix is now the trailing token of mangled C names
2026-06-13 22:09:16 +02:00
modulegraphs.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
modulepaths.nim
IC: progress (#25420)
2026-01-09 13:10:04 +01:00
modules.nim
refactoring
2026-06-11 10:36:04 +02:00
msgs.nim
IC: progress
2026-06-10 12:04:42 +02:00
nifbackend.nim
IC: NimMain init orchestration for the per-module backend (Phase 2b)
2026-06-13 22:52:01 +02:00
nifgen.nim
fixes #25488; Strings can be compared against nil (#25489)
2026-02-07 20:46:50 +01:00
nilcheck.nim
fixes-25655; defining >= operator generates compile error (#25787)
2026-06-08 09:00:00 +02:00
nim.cfg
IC: added support for conditional dependencies (#25770)
2026-04-28 18:48:41 +02:00
nim.nim
IC: progress
2026-06-10 12:04:42 +02:00
nimblecmd.nim
fixes yet another strictdefs bug (#23069)
2023-12-15 08:13:25 +01:00
nimconf.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
nimeval.nim
massive refactoring for IC (#25282)
2025-11-13 21:31:24 +01:00
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
IC: progress (#25344)
2025-12-11 18:22:38 +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 #24806; don't elide wasMoved when syms are used in blocks (#24831)
2025-04-03 12:54:00 +02:00
options.nim
IC: data ownership for the per-module backend (Phase 2b, B4)
2026-06-13 22:49:13 +02:00
packagehandling.nim
use strictdefs for compiler (#22365)
2023-08-06 14:26:21 +02:00
packages.nim
massive refactoring for IC (#25282)
2025-11-13 21:31:24 +01:00
parampatterns.nim
fixes #23949; cannot return lent expression from conditionals like case (#25190)
2025-09-24 06:29:57 +02:00
parser.nim
progress
2026-06-09 16:12:38 +02:00
passaux.nim
test removing dollar for objects out of system (#20242)
2022-08-24 09:44:16 +02:00
passes.nim
IC: massive cleanup, NIF26 support, docs about its inner workings (#25427)
2026-01-16 12:19:17 +01:00
pathutils.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
patterns.nim
clean up opensym encounters in compiler (#24866)
2025-04-12 08:39:11 +02:00
pipelines.nim
IC: cleaner design, updated design document
2026-06-13 13:55:58 +02:00
pipelineutils.nim
make the backend incremental too
2026-06-12 06:05:31 +02:00
platform.nim
fixes nightlies due to UB errors; increase maxCPU hard limits (#25219)
2025-10-13 13:47:06 +02:00
pluginsupport.nim
refactoring: fewer global variables
2018-05-27 19:19:12 +02:00
pragmas.nim
Yrc typos and omissions (#25500)
2026-02-10 13:21:35 +01:00
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
fixes whitespace related endless loop in renderer.nim (#25750)
2026-04-16 09:44:58 +02:00
renderverbatim.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
reorder.nim
clean up opensym encounters in compiler (#24866)
2025-04-12 08:39:11 +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
YRC: threadsafe cycle collection for Nim (#25495)
2026-02-10 00:04:11 +01:00
sem.nim
Yrc typos and omissions (#25500)
2026-02-10 13:21:35 +01:00
semcall.nim
IC: progress
2026-06-10 12:04:42 +02:00
semdata.nim
IC: cleaner design, updated design document
2026-06-13 13:55:58 +02:00
semexprs.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
semfields.nim
IC: progress (#25344)
2025-12-11 18:22:38 +01:00
semfold.nim
IC: progress
2026-06-10 12:04:42 +02:00
semgnrc.nim
fixes #20811; Nested proc with inner being generic cannot access parameters of outer proc (#25837)
2026-06-08 08:55:37 +02:00
seminst.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
semmacrosanity.nim
IC: progress (#25344)
2025-12-11 18:22:38 +01:00
semmagic.nim
fix #25789; improve handling of distinct types (#25791)
2026-05-05 20:21:37 +02:00
semobjconstr.nim
fixes #25784; Object default field initialized with an object constructor (#25785)
2026-05-05 21:05:17 +02:00
semparallel.nim
IC: progress (#25344)
2025-12-11 18:22:38 +01:00
sempass2.nim
fixes #25857; don't treat typeof(result) as a use-before-init of result (#25858)
2026-06-02 07:07:44 +02:00
semstmts.nim
fixes-25655; defining >= operator generates compile error (#25787)
2026-06-08 09:00:00 +02:00
semstrictfuncs.nim
alternative, much simpler algorithm for strict func checking (#21066)
2022-12-11 16:58:50 +01:00
semtempl.nim
IC: massive cleanup, NIF26 support, docs about its inner workings (#25427)
2026-01-16 12:19:17 +01:00
semtypes.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
semtypinst.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
sighashes.nim
IC: progress
2026-06-10 12:04:42 +02:00
sigmatch.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
sinkparameter_inference.nim
Refactoring #25302; don't store procedure's parameter types to PType.sonsImpl (#25351)
2025-12-26 21:59:38 +01:00
sizealignoffsetimpl.nim
IC: progress (#25344)
2025-12-11 18:22:38 +01:00
sourcemap.nim
chore: fix some typos (#23412)
2024-03-16 08:35:18 +08:00
spawn.nim
fixes #25800; move now uses its declaration for overridden =wasMoved (#25809)
2026-05-21 13:42:38 +02:00
suggest.nim
refactoring for IC (#25395)
2025-12-29 13:52:22 +01:00
suggestsymdb.nim
NimSuggest: Fix for the inlay exception hints with generic procs (#23610)
2025-07-18 08:44:36 +02:00
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 #25725; environment misses: s with iterator (#25828)
2026-06-08 08:53:10 +02:00
trees.nim
clean up opensym encounters in compiler (#24866)
2025-04-12 08:39:11 +02:00
treetab.nim
reduce imports (#25398)
2025-12-31 13:33:57 +01:00
typeallowed.nim
fixes #25677; fixes #25678; typeAllowedAux to improve flag handling (#25684)
2026-03-30 15:09:11 +02:00
typekeys.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
types.nim
fixes #25796; fixes procParamTypeRel to ensure backend type consistency (#25798)
2026-05-29 07:58:23 +02:00
typesrenderer.nim
prepare for the enforcement of std prefix (#22873)
2023-10-29 14:48:11 +01:00
varpartitions.nim
fixes #25595; cursor inference: a recorded mutation extends the variable's liveness (#25864)
2026-06-03 07:25:33 +02:00
vm.nim
IC: proper iface vs impl distinction, only rebuild dependents if the interface changed or if they depend on implementation (proc bodies)
2026-06-12 09:50:23 +02:00
vmconv.nim
Types: Refactorings; step 1 (#23055)
2023-12-12 16:54:50 +01:00
vmdef.nim
fixes #25254; fixes #10395; Invalid pred in when swallowed (#25385)
2025-12-25 00:04:18 +01:00
vmdeps.nim
Fix getTypeImpl not returning defaults (#25592)
2026-03-09 11:59:12 +01:00
vmgen.nim
IC: progress, hacks included
2026-06-13 10:08:46 +02:00
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
progress
2026-06-09 16:12:38 +02:00
vmprofiler.nim
massive refactoring for IC (#25282)
2025-11-13 21:31:24 +01:00
vtables.nim
fix sortVTableDispatchers KeyError on re-entrant method registration via when isMainModule (#25856)
2026-06-05 16:37:00 +02:00
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.