diff options
Diffstat (limited to 'compiler/ic')
| -rw-r--r-- | compiler/ic/packed_ast.nim | 23 | ||||
| -rw-r--r-- | compiler/ic/rodfiles.nim | 48 | ||||
| -rw-r--r-- | compiler/ic/to_packed_ast.nim | 433 |
3 files changed, 346 insertions, 158 deletions
diff --git a/compiler/ic/packed_ast.nim b/compiler/ic/packed_ast.nim index 546e495c5..cbfb0c5d1 100644 --- a/compiler/ic/packed_ast.nim +++ b/compiler/ic/packed_ast.nim @@ -17,28 +17,6 @@ import bitabs import ".." / [ast, options] const - localNamePos* = 0 - localExportMarkerPos* = 1 - localPragmaPos* = 2 - localTypePos* = 3 - localValuePos* = 4 - - typeNamePos* = 0 - typeExportMarkerPos* = 1 - typeGenericParamsPos* = 2 - typePragmaPos* = 3 - typeBodyPos* = 4 - - routineNamePos* = 0 - routineExportMarkerPos* = 1 - routinePatternPos* = 2 - routineGenericParamsPos* = 3 - routineParamsPos* = 4 - routineResultPos* = 5 - routinePragmasPos* = 6 - routineBodyPos* = 7 - -const nkModuleRef* = nkNone # pair of (ModuleId, SymId) type @@ -55,7 +33,6 @@ type TypeId* = PackedItemId const - nilTypeId* = PackedItemId(module: LitId(0), item: -1.int32) nilItemId* = PackedItemId(module: LitId(0), item: -1.int32) const diff --git a/compiler/ic/rodfiles.nim b/compiler/ic/rodfiles.nim index 99ce183f2..725262120 100644 --- a/compiler/ic/rodfiles.nim +++ b/compiler/ic/rodfiles.nim @@ -18,6 +18,14 @@ type depsSection integersSection floatsSection + exportsSection + reexportsSection + compilerProcsSection + trmacrosSection + convertersSection + methodsSection + pureEnumsSection + macroUsagesSection topLevelSection bodiesSection symsSection @@ -36,26 +44,30 @@ type const RodVersion = 1 cookie = [byte(0), byte('R'), byte('O'), byte('D'), - byte(0), byte(0), byte(0), byte(RodVersion)] + byte(sizeof(int)*8), byte(system.cpuEndian), byte(0), byte(RodVersion)] + +proc setError(f: var RodFile; err: RodFileError) {.inline.} = + f.err = err + #raise newException(IOError, "IO error") proc storePrim*(f: var RodFile; s: string) = if f.err != ok: return if s.len >= high(int32): - f.err = tooBig + setError f, tooBig return var lenPrefix = int32(s.len) if writeBuffer(f.f, addr lenPrefix, sizeof(lenPrefix)) != sizeof(lenPrefix): - f.err = ioFailure + setError f, ioFailure else: if s.len != 0: if writeBuffer(f.f, unsafeAddr(s[0]), s.len) != s.len: - f.err = ioFailure + setError f, ioFailure proc storePrim*[T](f: var RodFile; x: T) = if f.err != ok: return when supportsCopyMem(T): if writeBuffer(f.f, unsafeAddr(x), sizeof(x)) != sizeof(x): - f.err = ioFailure + setError f, ioFailure elif T is tuple: for y in fields(x): storePrim(f, y) @@ -65,11 +77,11 @@ proc storePrim*[T](f: var RodFile; x: T) = proc storeSeq*[T](f: var RodFile; s: seq[T]) = if f.err != ok: return if s.len >= high(int32): - f.err = tooBig + setError f, tooBig return var lenPrefix = int32(s.len) if writeBuffer(f.f, addr lenPrefix, sizeof(lenPrefix)) != sizeof(lenPrefix): - f.err = ioFailure + setError f, ioFailure else: for i in 0..<s.len: storePrim(f, s[i]) @@ -78,18 +90,18 @@ proc loadPrim*(f: var RodFile; s: var string) = if f.err != ok: return var lenPrefix = int32(0) if readBuffer(f.f, addr lenPrefix, sizeof(lenPrefix)) != sizeof(lenPrefix): - f.err = ioFailure + setError f, ioFailure else: s = newString(lenPrefix) if lenPrefix > 0: if readBuffer(f.f, unsafeAddr(s[0]), s.len) != s.len: - f.err = ioFailure + setError f, ioFailure proc loadPrim*[T](f: var RodFile; x: var T) = if f.err != ok: return when supportsCopyMem(T): if readBuffer(f.f, unsafeAddr(x), sizeof(x)) != sizeof(x): - f.err = ioFailure + setError f, ioFailure elif T is tuple: for y in fields(x): loadPrim(f, y) @@ -100,7 +112,7 @@ proc loadSeq*[T](f: var RodFile; s: var seq[T]) = if f.err != ok: return var lenPrefix = int32(0) if readBuffer(f.f, addr lenPrefix, sizeof(lenPrefix)) != sizeof(lenPrefix): - f.err = ioFailure + setError f, ioFailure else: s = newSeq[T](lenPrefix) for i in 0..<lenPrefix: @@ -109,15 +121,15 @@ proc loadSeq*[T](f: var RodFile; s: var seq[T]) = proc storeHeader*(f: var RodFile) = if f.err != ok: return if f.f.writeBytes(cookie, 0, cookie.len) != cookie.len: - f.err = ioFailure + setError f, ioFailure proc loadHeader*(f: var RodFile) = if f.err != ok: return var thisCookie: array[cookie.len, byte] if f.f.readBytes(thisCookie, 0, thisCookie.len) != thisCookie.len: - f.err = ioFailure + setError f, ioFailure elif thisCookie != cookie: - f.err = wrongHeader + setError f, wrongHeader proc storeSection*(f: var RodFile; s: RodSection) = if f.err != ok: return @@ -129,15 +141,15 @@ proc loadSection*(f: var RodFile; expected: RodSection) = if f.err != ok: return var s: RodSection loadPrim(f, s) - if expected != s: - f.err = wrongSection + if expected != s and f.err == ok: + setError f, wrongSection proc create*(filename: string): RodFile = if not open(result.f, filename, fmWrite): - result.err = ioFailure + setError result, ioFailure proc close*(f: var RodFile) = close(f.f) proc open*(filename: string): RodFile = if not open(result.f, filename, fmRead): - result.err = ioFailure + setError result, ioFailure diff --git a/compiler/ic/to_packed_ast.nim b/compiler/ic/to_packed_ast.nim index 761e34f1e..fe7a60c28 100644 --- a/compiler/ic/to_packed_ast.nim +++ b/compiler/ic/to_packed_ast.nim @@ -14,8 +14,6 @@ import ".." / [ast, idents, lineinfos, msgs, ropes, options, from std / os import removeFile, isAbsolute -when not defined(release): import ".." / astalgo # debug() - type PackedConfig* = object backend: TBackend @@ -32,6 +30,11 @@ type bodies*: PackedTree # other trees. Referenced from typ.n and sym.ast by their position. hidden*: PackedTree # instantiated generics and other trees not directly in the source code. #producedGenerics*: Table[GenericKey, SymId] + exports*: seq[(LitId, int32)] + reexports*: seq[(LitId, PackedItemId)] + compilerProcs*, trmacros*, converters*, pureEnums*: seq[(LitId, int32)] + methods*: seq[(LitId, PackedItemId, int32)] + macroUsages*: seq[(PackedItemId, PackedLineInfo)] sh*: Shared cfg: PackedConfig @@ -61,19 +64,28 @@ proc definedSymbolsAsString(config: ConfigRef): string = result.add ' ' result.add d -proc rememberConfig(c: var PackedEncoder; config: ConfigRef) = +proc rememberConfig(c: var PackedEncoder; config: ConfigRef; pc: PackedConfig) = c.m.definedSymbols = definedSymbolsAsString(config) - - template rem(x) = - c.m.cfg.x = config.x - primConfigFields rem + #template rem(x) = + # c.m.cfg.x = config.x + #primConfigFields rem + c.m.cfg = pc proc configIdentical(m: PackedModule; config: ConfigRef): bool = result = m.definedSymbols == definedSymbolsAsString(config) + #if not result: + # echo "A ", m.definedSymbols, " ", definedSymbolsAsString(config) template eq(x) = result = result and m.cfg.x == config.x + #if not result: + # echo "B ", m.cfg.x, " ", config.x primConfigFields eq +proc rememberStartupConfig*(dest: var PackedConfig, config: ConfigRef) = + template rem(x) = + dest.x = config.x + primConfigFields rem + proc hashFileCached(conf: ConfigRef; fileIdx: FileIndex): string = result = msgs.getHash(conf, fileIdx) if result.len == 0: @@ -104,7 +116,7 @@ proc includesIdentical(m: var PackedModule; config: ConfigRef): bool = return false result = true -proc initEncoder*(c: var PackedEncoder; m: PSym; config: ConfigRef) = +proc initEncoder*(c: var PackedEncoder; m: PSym; config: ConfigRef; pc: PackedConfig) = ## setup a context for serializing to packed ast c.m.sh = Shared() c.thisModule = m.itemId.module @@ -122,12 +134,45 @@ proc initEncoder*(c: var PackedEncoder; m: PSym; config: ConfigRef) = msgs.setHash(config, thisNimFile, h) c.m.includes.add((toLitId(thisNimFile, c), h)) # the module itself + rememberConfig(c, config, pc) + proc addIncludeFileDep*(c: var PackedEncoder; f: FileIndex) = c.m.includes.add((toLitId(f, c), hashFileCached(c.config, f))) proc addImportFileDep*(c: var PackedEncoder; f: FileIndex) = c.m.imports.add toLitId(f, c) +proc addExported*(c: var PackedEncoder; s: PSym) = + let nameId = getOrIncl(c.m.sh.strings, s.name.s) + c.m.exports.add((nameId, s.itemId.item)) + +proc addConverter*(c: var PackedEncoder; s: PSym) = + let nameId = getOrIncl(c.m.sh.strings, s.name.s) + c.m.converters.add((nameId, s.itemId.item)) + +proc addTrmacro*(c: var PackedEncoder; s: PSym) = + let nameId = getOrIncl(c.m.sh.strings, s.name.s) + c.m.trmacros.add((nameId, s.itemId.item)) + +proc addPureEnum*(c: var PackedEncoder; s: PSym) = + let nameId = getOrIncl(c.m.sh.strings, s.name.s) + assert s.kind == skType + c.m.pureEnums.add((nameId, s.itemId.item)) + +proc addMethod*(c: var PackedEncoder; s: PSym) = + let nameId = getOrIncl(c.m.sh.strings, s.name.s) + discard "to do" + # c.m.methods.add((nameId, s.itemId.item)) + +proc addReexport*(c: var PackedEncoder; s: PSym) = + let nameId = getOrIncl(c.m.sh.strings, s.name.s) + c.m.reexports.add((nameId, PackedItemId(module: toLitId(s.itemId.module.FileIndex, c), + item: s.itemId.item))) + +proc addCompilerProc*(c: var PackedEncoder; s: PSym) = + let nameId = getOrIncl(c.m.sh.strings, s.name.s) + c.m.compilerProcs.add((nameId, s.itemId.item)) + proc toPackedNode*(n: PNode; ir: var PackedTree; c: var PackedEncoder) proc toPackedSym*(s: PSym; c: var PackedEncoder): PackedItemId proc toPackedType(t: PType; c: var PackedEncoder): PackedItemId @@ -197,7 +242,7 @@ template storeNode(dest, src, field) = proc toPackedType(t: PType; c: var PackedEncoder): PackedItemId = ## serialize a ptype - if t.isNil: return nilTypeId + if t.isNil: return nilItemId if t.uniqueId.module != c.thisModule: # XXX Assert here that it already was serialized in the foreign module! @@ -376,87 +421,48 @@ proc loadRodFile*(filename: AbsoluteFile; m: var PackedModule; config: ConfigRef f.loadPrim m.definedSymbols f.loadPrim m.cfg - if not configIdentical(m, config): + if f.err == ok and not configIdentical(m, config): f.err = configMismatch - f.loadSection stringsSection - f.load m.sh.strings + template loadSeqSection(section, data) {.dirty.} = + f.loadSection section + f.loadSeq data - f.loadSection checkSumsSection - f.loadSeq m.includes - if not includesIdentical(m, config): - f.err = includeFileChanged + template loadTabSection(section, data) {.dirty.} = + f.loadSection section + f.load data - f.loadSection depsSection - f.loadSeq m.imports + loadTabSection stringsSection, m.sh.strings - f.loadSection integersSection - f.load m.sh.integers - f.loadSection floatsSection - f.load m.sh.floats - - f.loadSection topLevelSection - f.loadSeq m.topLevel.nodes - - f.loadSection bodiesSection - f.loadSeq m.bodies.nodes + loadSeqSection checkSumsSection, m.includes + if not includesIdentical(m, config): + f.err = includeFileChanged - f.loadSection symsSection - f.loadSeq m.sh.syms + loadSeqSection depsSection, m.imports - f.loadSection typesSection - f.loadSeq m.sh.types + loadTabSection integersSection, m.sh.integers + loadTabSection floatsSection, m.sh.floats - close(f) - result = f.err + loadSeqSection exportsSection, m.exports -type - ModuleStatus* = enum - undefined, - loading, - loaded, - outdated + loadSeqSection reexportsSection, m.reexports - LoadedModule* = object - status: ModuleStatus - symsInit, typesInit: bool - fromDisk: PackedModule - syms: seq[PSym] # indexed by itemId - types: seq[PType] + loadSeqSection compilerProcsSection, m.compilerProcs - PackedModuleGraph* = seq[LoadedModule] # indexed by FileIndex + loadSeqSection trmacrosSection, m.trmacros -proc needsRecompile(g: var PackedModuleGraph; conf: ConfigRef; - fileIdx: FileIndex): bool = - let m = int(fileIdx) - if m >= g.len: - g.setLen(m+1) + loadSeqSection convertersSection, m.converters + loadSeqSection methodsSection, m.methods + loadSeqSection pureEnumsSection, m.pureEnums + loadSeqSection macroUsagesSection, m.macroUsages - case g[m].status - of undefined: - g[m].status = loading - let fullpath = msgs.toFullPath(conf, fileIdx) - let rod = toRodFile(conf, AbsoluteFile fullpath) - let err = loadRodFile(rod, g[m].fromDisk, conf) - if err == ok: - result = false - # check its dependencies: - for dep in g[m].fromDisk.imports: - let fid = toFileIndex(dep, g[m].fromDisk, conf) - # Warning: we need to traverse the full graph, so - # do **not use break here**! - if needsRecompile(g, conf, fid): - result = true + loadSeqSection topLevelSection, m.topLevel.nodes + loadSeqSection bodiesSection, m.bodies.nodes + loadSeqSection symsSection, m.sh.syms + loadSeqSection typesSection, m.sh.types - g[m].status = if result: outdated else: loaded - else: - loadError(err, rod) - g[m].status = outdated - result = true - of loading, loaded: - result = false - of outdated: - result = true + close(f) + result = f.err # ------------------------------------------------------------------------- @@ -465,7 +471,7 @@ proc storeError(err: RodFileError; filename: AbsoluteFile) = removeFile(filename.string) proc saveRodFile*(filename: AbsoluteFile; encoder: var PackedEncoder) = - rememberConfig(encoder, encoder.config) + #rememberConfig(encoder, encoder.config) var f = rodfiles.create(filename.string) f.storeHeader() @@ -473,40 +479,50 @@ proc saveRodFile*(filename: AbsoluteFile; encoder: var PackedEncoder) = f.storePrim encoder.m.definedSymbols f.storePrim encoder.m.cfg - f.storeSection stringsSection - f.store encoder.m.sh.strings + template storeSeqSection(section, data) {.dirty.} = + f.storeSection section + f.storeSeq data + + template storeTabSection(section, data) {.dirty.} = + f.storeSection section + f.store data + + storeTabSection stringsSection, encoder.m.sh.strings - f.storeSection checkSumsSection - f.storeSeq encoder.m.includes + storeSeqSection checkSumsSection, encoder.m.includes - f.storeSection depsSection - f.storeSeq encoder.m.imports + storeSeqSection depsSection, encoder.m.imports - f.storeSection integersSection - f.store encoder.m.sh.integers + storeTabSection integersSection, encoder.m.sh.integers + storeTabSection floatsSection, encoder.m.sh.floats - f.storeSection floatsSection - f.store encoder.m.sh.floats + storeSeqSection exportsSection, encoder.m.exports - f.storeSection topLevelSection - f.storeSeq encoder.m.topLevel.nodes + storeSeqSection reexportsSection, encoder.m.reexports - f.storeSection bodiesSection - f.storeSeq encoder.m.bodies.nodes + storeSeqSection compilerProcsSection, encoder.m.compilerProcs - f.storeSection symsSection - f.storeSeq encoder.m.sh.syms + storeSeqSection trmacrosSection, encoder.m.trmacros + storeSeqSection convertersSection, encoder.m.converters + storeSeqSection methodsSection, encoder.m.methods + storeSeqSection pureEnumsSection, encoder.m.pureEnums + storeSeqSection macroUsagesSection, encoder.m.macroUsages - f.storeSection typesSection - f.storeSeq encoder.m.sh.types + storeSeqSection topLevelSection, encoder.m.topLevel.nodes + + storeSeqSection bodiesSection, encoder.m.bodies.nodes + storeSeqSection symsSection, encoder.m.sh.syms + + storeSeqSection typesSection, encoder.m.sh.types close(f) if f.err != ok: - loadError(f.err, filename) + storeError(f.err, filename) - when true: + when false: # basic loader testing: var m2: PackedModule discard loadRodFile(filename, m2, encoder.config) + echo "loaded ", filename.string # ---------------------------------------------------------------------------- @@ -516,7 +532,25 @@ type lastLit*: LitId lastFile*: FileIndex # remember the last lookup entry. config*: ConfigRef - ident: IdentCache + cache: IdentCache + +type + ModuleStatus* = enum + undefined, + loading, + loaded, + outdated + + LoadedModule* = object + status*: ModuleStatus + symsInit, typesInit: bool + fromDisk: PackedModule + syms: seq[PSym] # indexed by itemId + types: seq[PType] + module*: PSym # the one true module symbol. + iface: Table[PIdent, seq[PackedItemId]] # PackedItemId so that it works with reexported symbols too + + PackedModuleGraph* = seq[LoadedModule] # indexed by FileIndex proc loadType(c: var PackedDecoder; g: var PackedModuleGraph; t: PackedItemId): PType proc loadSym(c: var PackedDecoder; g: var PackedModuleGraph; s: PackedItemId): PSym @@ -546,7 +580,7 @@ proc loadNodes(c: var PackedDecoder; g: var PackedModuleGraph; of nkEmpty, nkNilLit, nkType: discard of nkIdent: - result.ident = getIdent(c.ident, g[c.thisModule].fromDisk.sh.strings[n.litId]) + result.ident = getIdent(c.cache, g[c.thisModule].fromDisk.sh.strings[n.litId]) of nkSym: result.sym = loadSym(c, g, PackedItemId(module: LitId(0), item: tree.nodes[n.int].operand)) of directIntLit: @@ -567,6 +601,31 @@ proc loadNodes(c: var PackedDecoder; g: var PackedModuleGraph; for n0 in sonsReadonly(tree, n): result.add loadNodes(c, g, tree, n0) +proc loadProcHeader(c: var PackedDecoder; g: var PackedModuleGraph; + tree: PackedTree; n: NodePos): PNode = + # do not load the body of the proc. This will be done later in + # getProcBody, if required. + let k = n.kind + result = newNodeIT(k, translateLineInfo(c, g, n.info), + loadType(c, g, n.typ)) + result.flags = n.flags + assert k in {nkProcDef, nkMethodDef, nkIteratorDef, nkFuncDef, nkConverterDef} + var i = 0 + for n0 in sonsReadonly(tree, n): + if i != bodyPos: + result.add loadNodes(c, g, tree, n0) + else: + result.add nil + inc i + +proc loadProcBody(c: var PackedDecoder; g: var PackedModuleGraph; + tree: PackedTree; n: NodePos): PNode = + var i = 0 + for n0 in sonsReadonly(tree, n): + if i == bodyPos: + result = loadNodes(c, g, tree, n0) + inc i + proc moduleIndex*(c: var PackedDecoder; g: var PackedModuleGraph; s: PackedItemId): int32 {.inline.} = result = if s.module == LitId(0): c.thisModule @@ -579,13 +638,17 @@ proc symHeaderFromPacked(c: var PackedDecoder; g: var PackedModuleGraph; info: translateLineInfo(c, g, s.info), options: s.options, position: s.position, - name: getIdent(c.ident, g[si].fromDisk.sh.strings[s.name]) + name: getIdent(c.cache, g[si].fromDisk.sh.strings[s.name]) ) template loadAstBody(p, field) = if p.field != emptyNodeId: result.field = loadNodes(c, g, g[si].fromDisk.bodies, NodePos p.field) +template loadAstBodyLazy(p, field) = + if p.field != emptyNodeId: + result.field = loadProcHeader(c, g, g[si].fromDisk.bodies, NodePos p.field) + proc loadLib(c: var PackedDecoder; g: var PackedModuleGraph; si, item: int32; l: PackedLib): PLib = # XXX: hack; assume a zero LitId means the PackedLib is all zero (empty) @@ -600,7 +663,10 @@ proc symBodyFromPacked(c: var PackedDecoder; g: var PackedModuleGraph; s: PackedSym; si, item: int32; result: PSym) = result.typ = loadType(c, g, s.typ) loadAstBody(s, constraint) - loadAstBody(s, ast) + if result.kind in {skProc, skFunc, skIterator, skConverter, skMethod}: + loadAstBodyLazy(s, ast) + else: + loadAstBody(s, ast) result.annex = loadLib(c, g, si, item, s.annex) when hasFFI: result.cname = g[si].fromDisk.sh.strings[s.cname] @@ -615,7 +681,7 @@ proc symBodyFromPacked(c: var PackedDecoder; g: var PackedModuleGraph; result.loc.r = rope externalName proc loadSym(c: var PackedDecoder; g: var PackedModuleGraph; s: PackedItemId): PSym = - if s == nilTypeId: + if s == nilItemId: result = nil else: let si = moduleIndex(c, g, s) @@ -626,10 +692,16 @@ proc loadSym(c: var PackedDecoder; g: var PackedModuleGraph; s: PackedItemId): P if g[si].syms[s.item] == nil: let packed = addr(g[si].fromDisk.sh.syms[s.item]) - result = symHeaderFromPacked(c, g, packed[], si, s.item) - # store it here early on, so that recursions work properly: - g[si].syms[s.item] = result - symBodyFromPacked(c, g, packed[], si, s.item, result) + + if packed.kind != skModule: + result = symHeaderFromPacked(c, g, packed[], si, s.item) + # store it here early on, so that recursions work properly: + g[si].syms[s.item] = result + symBodyFromPacked(c, g, packed[], si, s.item, result) + else: + result = g[si].module + assert result != nil + else: result = g[si].syms[s.item] @@ -654,7 +726,7 @@ proc typeBodyFromPacked(c: var PackedDecoder; g: var PackedModuleGraph; result.methods.add((gen, loadSym(c, g, id))) proc loadType(c: var PackedDecoder; g: var PackedModuleGraph; t: PackedItemId): PType = - if t == nilTypeId: + if t == nilItemId: result = nil else: let si = moduleIndex(c, g, t) @@ -672,15 +744,142 @@ proc loadType(c: var PackedDecoder; g: var PackedModuleGraph; t: PackedItemId): else: result = g[si].types[t.item] +proc setupLookupTables(m: var LoadedModule; conf: ConfigRef; cache: IdentCache; fileIdx: FileIndex) = + m.iface = initTable[PIdent, seq[PackedItemId]]() + for e in m.fromDisk.exports: + let nameLit = e[0] + m.iface.mgetOrPut(cache.getIdent(m.fromDisk.sh.strings[nameLit]), @[]).add(PackedItemId(module: LitId(0), item: e[1])) + for re in m.fromDisk.reexports: + let nameLit = re[0] + m.iface.mgetOrPut(cache.getIdent(m.fromDisk.sh.strings[nameLit]), @[]).add(re[1]) + + let filename = AbsoluteFile toFullPath(conf, fileIdx) + # We cannot call ``newSym`` here, because we have to circumvent the ID + # mechanism, which we do in order to assign each module a persistent ID. + m.module = PSym(kind: skModule, itemId: ItemId(module: int32(fileIdx), item: 0'i32), + name: getIdent(cache, splitFile(filename).name), + info: newLineInfo(fileIdx, 1, 1)) + +proc needsRecompile(g: var PackedModuleGraph; conf: ConfigRef; cache: IdentCache; + fileIdx: FileIndex): bool = + let m = int(fileIdx) + if m >= g.len: + g.setLen(m+1) + + case g[m].status + of undefined: + g[m].status = loading + let fullpath = msgs.toFullPath(conf, fileIdx) + let rod = toRodFile(conf, AbsoluteFile fullpath) + let err = loadRodFile(rod, g[m].fromDisk, conf) + if err == ok: + result = false + # check its dependencies: + for dep in g[m].fromDisk.imports: + let fid = toFileIndex(dep, g[m].fromDisk, conf) + # Warning: we need to traverse the full graph, so + # do **not use break here**! + if needsRecompile(g, conf, cache, fid): + result = true + + if not result: + setupLookupTables(g[m], conf, cache, fileIdx) + g[m].status = if result: outdated else: loaded + else: + loadError(err, rod) + g[m].status = outdated + result = true + of loading, loaded: + result = false + of outdated: + result = true -when false: - proc initGenericKey*(s: PSym; types: seq[PType]): GenericKey = - result.module = s.owner.itemId.module - result.name = s.name.s - result.types = mapIt types: hashType(it, {CoType, CoDistinct}).MD5Digest +proc moduleFromRodFile*(g: var PackedModuleGraph; conf: ConfigRef; cache: IdentCache; + fileIdx: FileIndex): PSym = + ## Returns 'nil' if the module needs to be recompiled. + if needsRecompile(g, conf, cache, fileIdx): + result = nil + else: + result = g[int fileIdx].module + assert result != nil + +template setupDecoder() {.dirty.} = + var decoder = PackedDecoder( + thisModule: int32(module), + lastLit: LitId(0), + lastFile: FileIndex(-1), + config: config, + cache: cache) + +proc loadProcBody*(config: ConfigRef, cache: IdentCache; + g: var PackedModuleGraph; s: PSym): PNode = + let mId = s.itemId.module + var decoder = PackedDecoder( + thisModule: mId, + lastLit: LitId(0), + lastFile: FileIndex(-1), + config: config, + cache: cache) + let pos = g[mId].fromDisk.sh.syms[s.itemId.item].ast + assert pos != emptyNodeId + result = loadProcBody(decoder, g, g[mId].fromDisk.bodies, NodePos pos) + +type + RodIter* = object + decoder: PackedDecoder + values: seq[PackedItemId] + i: int + +proc initRodIter*(it: var RodIter; config: ConfigRef, cache: IdentCache; + g: var PackedModuleGraph; module: FileIndex; + name: PIdent): PSym = + it.decoder = PackedDecoder( + thisModule: int32(module), + lastLit: LitId(0), + lastFile: FileIndex(-1), + config: config, + cache: cache) + it.values = g[int module].iface.getOrDefault(name) + it.i = 0 + if it.i < it.values.len: + result = loadSym(it.decoder, g, it.values[it.i]) + inc it.i + +proc initRodIterAllSyms*(it: var RodIter; config: ConfigRef, cache: IdentCache; + g: var PackedModuleGraph; module: FileIndex): PSym = + it.decoder = PackedDecoder( + thisModule: int32(module), + lastLit: LitId(0), + lastFile: FileIndex(-1), + config: config, + cache: cache) + it.values = @[] + for v in g[int module].iface.values: + it.values.add v + it.i = 0 + if it.i < it.values.len: + result = loadSym(it.decoder, g, it.values[it.i]) + inc it.i + +proc nextRodIter*(it: var RodIter; g: var PackedModuleGraph): PSym = + if it.i < it.values.len: + result = loadSym(it.decoder, g, it.values[it.i]) + inc it.i + +iterator interfaceSymbols*(config: ConfigRef, cache: IdentCache; + g: var PackedModuleGraph; module: FileIndex; + name: PIdent): PSym = + setupDecoder() + let values = g[int module].iface.getOrDefault(name) + for pid in values: + let s = loadSym(decoder, g, pid) + assert s != nil + yield s + +proc interfaceSymbol*(config: ConfigRef, cache: IdentCache; + g: var PackedModuleGraph; module: FileIndex; + name: PIdent): PSym = + setupDecoder() + let values = g[int module].iface.getOrDefault(name) + result = loadSym(decoder, g, values[0]) - proc addGeneric*(m: var Module; c: var PackedEncoder; key: GenericKey; s: PSym) = - ## add a generic to the module - if key notin m.generics: - m.generics[key] = toPackedSym(s, m.ast, c) - toPackedNode(s.ast, m.ast, c) |