# compiler/astalgo

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# Imports

ast, options, lineinfos, ropes, idents, rodutils, msgs

# Types

    TIdentIter = object
      h*: Hash
      name*: PIdent

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    TIIPair {.final.} = object
      key*, val*: int

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    TIIPairSeq = seq[TIIPair]

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    TIITable {.final.} = object
      counter*: int
      data*: TIIPairSeq

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    TTabIter = object
      h: Hash

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# Consts

    InvalidKey = -9223372036854775808

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# Procs

    proc debug(n: PNode; conf: ConfigRef = nil) {.exportc: "debugNode", ...deprecated,
        raises: [KeyError, Exception], tags: [RootEffect].}

  Deprecated
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    proc debug(n: PSym; conf: ConfigRef = nil) {.exportc: "debugSym", ...deprecated,
        raises: [Exception], tags: [RootEffect].}

  Deprecated
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    proc debug(n: PType; conf: ConfigRef = nil) {.exportc: "debugType", ...deprecated,
        raises: [Exception], tags: [RootEffect].}

  Deprecated
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    proc firstIdentExcluding(ti: var TIdentIter; tab: TStrTable; s: PIdent;
                             excluding: IntSet): PSym {....raises: [], tags: [].}

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    proc fromSystem(op: PSym): bool {.inline, ...raises: [], tags: [].}

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    proc getModule(s: PSym): PSym {....raises: [], tags: [].}

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    proc getNamedParamFromList(list: PNode; ident: PIdent): PSym {....raises: [],
        tags: [].}

  Named parameters are special because a named parameter can be gensym'ed and then they have '`<number>' suffix that we need to ignore, see compiler / evaltempl.nim, snippet:

      result.add newIdentNode(getIdent(c.ic, x.name.s & "\`gensym" & $x.id),
               if c.instLines: actual.info else: templ.info)

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    proc getSymFromList(list: PNode; ident: PIdent; start: int = 0): PSym {.
        ...raises: [], tags: [].}

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    proc hashNode(p: RootRef): Hash {....raises: [], tags: [].}

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    proc idNodeTableGet(t: TIdNodeTable; key: PIdObj): PNode {....raises: [], tags: [].}

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    proc idNodeTablePut(t: var TIdNodeTable; key: PIdObj; val: PNode) {....raises: [],
        tags: [].}

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    proc idTableGet(t: TIdTable; key: int): RootRef {....raises: [], tags: [].}

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    proc idTableGet(t: TIdTable; key: PIdObj): RootRef {....raises: [], tags: [].}

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    proc idTableHasObjectAsKey(t: TIdTable; key: PIdObj): bool {....raises: [],
        tags: [].}

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    proc idTablePut(t: var TIdTable; key: PIdObj; val: RootRef) {....raises: [],
        tags: [].}

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    proc iiTableGet(t: TIITable; key: int): int {....raises: [], tags: [].}

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    proc iiTablePut(t: var TIITable; key, val: int) {....raises: [], tags: [].}

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    proc initIdentIter(ti: var TIdentIter; tab: TStrTable; s: PIdent): PSym {.
        ...raises: [], tags: [].}

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    proc initIiTable(x: var TIITable) {....raises: [], tags: [].}

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    proc initTabIter(ti: var TTabIter; tab: TStrTable): PSym {....raises: [], tags: [].}

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    proc isAddrNode(n: PNode): bool {....raises: [], tags: [].}

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    proc isDiscriminantField(n: PNode): bool {....raises: [], tags: [].}

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    proc leValue(a, b: PNode): bool {....raises: [ERecoverableError], tags: [].}

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    proc lineInfoToStr(conf: ConfigRef; info: TLineInfo): Rope {....raises: [],
        tags: [].}

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    proc listSymbolNames(symbols: openArray[PSym]): string {....raises: [], tags: [].}

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    proc lookupInRecord(n: PNode; field: PIdent): PSym {....raises: [], tags: [].}

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    proc makeYamlString(s: string): Rope {....raises: [], tags: [].}

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    proc mustRehash(length, counter: int): bool {....raises: [], tags: [].}

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    proc nextIdentExcluding(ti: var TIdentIter; tab: TStrTable; excluding: IntSet): PSym {.
        ...raises: [], tags: [].}

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    proc nextIdentIter(ti: var TIdentIter; tab: TStrTable): PSym {....raises: [],
        tags: [].}

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    proc nextIter(ti: var TTabIter; tab: TStrTable): PSym {....raises: [], tags: [].}

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    proc nextTry(h, maxHash: Hash): Hash {.inline, ...raises: [], tags: [].}

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    proc objectSetContains(t: TObjectSet; obj: RootRef): bool {....raises: [], tags: [].}

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    proc objectSetContainsOrIncl(t: var TObjectSet; obj: RootRef): bool {.
        ...raises: [], tags: [].}

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    proc objectSetIncl(t: var TObjectSet; obj: RootRef) {....raises: [], tags: [].}

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    proc sameValue(a, b: PNode): bool {....raises: [ERecoverableError], tags: [].}

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    proc skipConvCastAndClosure(n: PNode): PNode {....raises: [], tags: [].}

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    proc strTableAdd(t: var TStrTable; n: PSym) {....raises: [], tags: [].}

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    proc strTableContains(t: TStrTable; n: PSym): bool {....raises: [], tags: [].}

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    proc strTableGet(t: TStrTable; name: PIdent): PSym {....raises: [], tags: [].}

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    proc strTableIncl(t: var TStrTable; n: PSym; onConflictKeepOld = false): bool {.
        discardable, ...raises: [], tags: [].}

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    proc strTableInclReportConflict(t: var TStrTable; n: PSym;
                                    onConflictKeepOld = false): PSym {....raises: [],
        tags: [].}

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    proc symTabReplace(t: var TStrTable; prevSym: PSym; newSym: PSym) {....raises: [],
        tags: [].}

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    proc symToYaml(conf: ConfigRef; n: PSym; indent: int = 0; maxRecDepth: int = -1): Rope {.
        ...raises: [Exception], tags: [RootEffect].}

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    proc treeToYaml(conf: ConfigRef; n: PNode; indent: int = 0;
                    maxRecDepth: int = -1): Rope {....raises: [Exception],
        tags: [RootEffect].}

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    proc typekinds(t: PType) {....deprecated, raises: [], tags: [].}

  Deprecated
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    proc typeToYaml(conf: ConfigRef; n: PType; indent: int = 0;
                    maxRecDepth: int = -1): Rope {....raises: [Exception],
        tags: [RootEffect].}

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    proc weakLeValue(a, b: PNode): TImplication {....raises: [ERecoverableError],
        tags: [].}

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# Iterators

    iterator idTablePairs(t: TIdTable): tuple[key: PIdObj, val: RootRef] {.
        ...raises: [], tags: [].}

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    iterator items(tab: TStrTable): PSym {....raises: [], tags: [].}

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    iterator pairs(t: TIdNodeTable): tuple[key: PIdObj, val: PNode] {....raises: [],
        tags: [].}

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    iterator pairs(t: TIdTable): tuple[key: int, value: RootRef] {....raises: [],
        tags: [].}

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# Templates

    template debug(x: auto) {....deprecated.}

  Deprecated
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    template debug(x: PSym | PType | PNode) {....deprecated.}

  Deprecated
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    template mdbg(): bool {....deprecated.}

  Deprecated
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