ic/packed_ast

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Packed AST representation, mostly based on a seq of nodes. For IC support. Far future: Rewrite the compiler passes to use this representation directly in all the transformations, it is superior.

Types

ModuleId = distinct int32
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NodeId = distinct int32
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NodePos = distinct int
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PackedInstantiation = object
  key*, sym*: PackedItemId
  concreteTypes*: seq[PackedItemId]
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PackedItemId = object
  module*: LitId
  item*: int32
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PackedLib = object
  kind*: TLibKind
  generated*: bool
  isOverridden*: bool
  name*: LitId
  path*: NodeId
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PackedLineInfo = object
  line*: uint16
  col*: int16
  file*: LitId
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PackedNode = object
  kind*: TNodeKind
  flags*: TNodeFlags
  operand*: int32
  typeId*: PackedItemId
  info*: PackedLineInfo
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PackedSym = object
  kind*: TSymKind
  name*: LitId
  typ*: PackedItemId
  flags*: TSymFlags
  magic*: TMagic
  info*: PackedLineInfo
  ast*: NodeId
  owner*: PackedItemId
  guard*: PackedItemId
  bitsize*: int
  alignment*: int
  options*: TOptions
  position*: int
  offset*: int32
  disamb*: int32
  externalName*: LitId
  locFlags*: TLocFlags
  annex*: PackedLib
  when hasFFI:
      cname*: LitId

  constraint*: NodeId
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PackedTree = object
  nodes*: seq[PackedNode]
usually represents a full Nim module Source   Edit   
PackedType = object
  kind*: TTypeKind
  callConv*: TCallingConvention
  flags*: TTypeFlags
  types*: seq[PackedItemId]
  n*: NodeId
  sym*: PackedItemId
  owner*: PackedItemId
  size*: BiggestInt
  align*: int16
  paddingAtEnd*: int16
  typeInst*: PackedItemId
  nonUniqueId*: int32
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SymId = distinct int32
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Consts

directIntLit = nkInt32Lit
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emptyNodeId = -1'i32
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externIntLit = {nkCharLit, nkIntLit, nkInt8Lit, nkInt16Lit, nkInt64Lit,
                nkUIntLit, nkUInt8Lit, nkUInt16Lit, nkUInt32Lit, nkUInt64Lit}
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externSIntLit = {nkIntLit, nkInt8Lit, nkInt16Lit, nkInt64Lit}
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externUIntLit = {nkUIntLit, nkUInt8Lit, nkUInt16Lit, nkUInt32Lit, nkUInt64Lit}
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nilItemId = (module: 0'u, item: -1)
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Procs

proc `==`(a, b: NodeId): bool {.borrow, ...raises: [], tags: [], forbids: [].}
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proc `==`(a, b: NodePos): bool {.borrow, ...raises: [], tags: [], forbids: [].}
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proc `==`(a, b: SymId): bool {.borrow, ...raises: [], tags: [], forbids: [].}
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proc `[]`(tree: PackedTree; i: int): lent PackedNode {.inline, ...raises: [],
    tags: [], forbids: [].}
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proc addIdent(tree: var PackedTree; s: LitId; info: PackedLineInfo) {.
    ...raises: [], tags: [], forbids: [].}
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proc addModuleId(tree: var PackedTree; s: ModuleId; info: PackedLineInfo) {.
    ...raises: [], tags: [], forbids: [].}
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proc addSym(tree: var PackedTree; s: int32; info: PackedLineInfo) {....raises: [],
    tags: [], forbids: [].}
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proc addSymDef(tree: var PackedTree; s: SymId; info: PackedLineInfo) {.
    ...raises: [], tags: [], forbids: [].}
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proc copyTree(dest: var PackedTree; tree: PackedTree; n: NodePos) {....raises: [],
    tags: [], forbids: [].}
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proc firstSon(n: NodePos): NodePos {.inline, ...raises: [], tags: [], forbids: [].}
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proc firstSon(tree: PackedTree; n: NodePos): NodePos {.inline, ...raises: [],
    tags: [], forbids: [].}
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proc getNodeId(tree: PackedTree): NodeId {.inline, ...raises: [], tags: [],
    forbids: [].}
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proc hasAtLeastXsons(tree: PackedTree; n: NodePos; x: int): bool {....raises: [],
    tags: [], forbids: [].}
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proc hash(a: SymId): Hash {.borrow, ...raises: [], tags: [], forbids: [].}
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proc hasXsons(tree: PackedTree; n: NodePos; x: int): bool {....raises: [],
    tags: [], forbids: [].}
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proc info(tree: PackedTree; n: NodePos): PackedLineInfo {.inline, ...raises: [],
    tags: [], forbids: [].}
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proc isAtom(tree: PackedTree; pos: int): bool {.inline, ...raises: [], tags: [],
    forbids: [].}
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proc ithSon(tree: PackedTree; n: NodePos; i: int): NodePos {....raises: [],
    tags: [], forbids: [].}
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proc kind(tree: PackedTree; n: NodePos): TNodeKind {.inline, ...raises: [],
    tags: [], forbids: [].}
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proc len(tree: PackedTree): int {.inline, ...raises: [], tags: [], forbids: [].}
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proc litId(tree: PackedTree; n: NodePos): LitId {.inline, ...raises: [], tags: [],
    forbids: [].}
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proc newTreeFrom(old: PackedTree): PackedTree {....raises: [], tags: [],
    forbids: [].}
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proc patch(tree: var PackedTree; pos: PatchPos) {....raises: [], tags: [],
    forbids: [].}
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proc prepare(dest: var PackedTree; source: PackedTree; sourcePos: NodePos): PatchPos {.
    ...raises: [], tags: [], forbids: [].}
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proc prepare(tree: var PackedTree; kind: TNodeKind; flags: TNodeFlags;
             typeId: PackedItemId; info: PackedLineInfo): PatchPos {....raises: [],
    tags: [], forbids: [].}
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proc sons2(tree: PackedTree; n: NodePos): (NodePos, NodePos) {....raises: [],
    tags: [], forbids: [].}
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proc sons3(tree: PackedTree; n: NodePos): (NodePos, NodePos, NodePos) {.
    ...raises: [], tags: [], forbids: [].}
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proc span(tree: PackedTree; pos: int): int {.inline, ...raises: [], tags: [],
    forbids: [].}
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proc throwAwayLastNode(tree: var PackedTree) {....raises: [], tags: [], forbids: [].}
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proc toPackedItemId(item: int32): PackedItemId {.inline, ...raises: [], tags: [],
    forbids: [].}
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Iterators

iterator allNodes(tree: PackedTree): NodePos {....raises: [], tags: [], forbids: [].}
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iterator isons(dest: var PackedTree; tree: PackedTree; n: NodePos): (int,
    NodePos) {....raises: [], tags: [], forbids: [].}
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iterator sons(dest: var PackedTree; tree: PackedTree; n: NodePos): NodePos {.
    ...raises: [], tags: [], forbids: [].}
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iterator sonsFrom1(tree: PackedTree; n: NodePos): NodePos {....raises: [],
    tags: [], forbids: [].}
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iterator sonsReadonly(tree: PackedTree; n: NodePos): NodePos {....raises: [],
    tags: [], forbids: [].}
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iterator sonsWithoutLast2(tree: PackedTree; n: NodePos): NodePos {....raises: [],
    tags: [], forbids: [].}
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Templates

template copyInto(dest, n, body)
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template copyIntoKind(dest, kind, info, body)
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template flags(n: NodePos): TNodeFlags
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template info(n: NodePos): PackedLineInfo
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template kind(n: NodePos): TNodeKind
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template litId(n: NodePos): LitId
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template operand(n: NodePos): int32
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template parent(n: NodePos): NodePos
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template symId(n: NodePos): SymId
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template typ(n: NodePos): PackedItemId
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Made with Nim. Generated: 2023-08-01 01:36:54 UTC