This module implements common simple lowerings.
Procs
proc addField(obj: PType; s: PSym; cache: IdentCache; idgen: IdGenerator): PSym {. ...raises: [], tags: [], forbids: [].}
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proc addUniqueField(obj: PType; s: PSym; cache: IdentCache; idgen: IdGenerator): PSym {. discardable, ...raises: [], tags: [], forbids: [].}
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proc callCodegenProc(g: ModuleGraph; name: string; info: TLineInfo = unknownLineInfo; arg1: PNode = nil; arg2: PNode = nil; arg3: PNode = nil; optionalArgs: PNode = nil): PNode {....raises: [KeyError, Exception, ValueError, OSError, IOError, ERecoverableError], tags: [ ReadDirEffect, RootEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect], forbids: [].}
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proc createObj(g: ModuleGraph; idgen: IdGenerator; owner: PSym; info: TLineInfo; final = true): PType {....raises: [KeyError, Exception], tags: [ReadDirEffect, RootEffect], forbids: [].}
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proc evalOnce(g: ModuleGraph; value: PNode; idgen: IdGenerator; owner: PSym): PNode {. ...raises: [], tags: [], forbids: [].}
- Turns (value) into (let tmp = value; tmp) so that 'value' can be re-used freely, multiple times. This is frequently required and such a builtin would also be handy to have in macros.nim. The value that can be reused is 'result.lastSon'! Source Edit
proc indirectAccess(a, b: PSym; info: TLineInfo): PNode {....raises: [], tags: [], forbids: [].}
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proc indirectAccess(a: PNode; b: ItemId; info: TLineInfo): PNode {....raises: [], tags: [], forbids: [].}
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proc indirectAccess(a: PNode; b: PSym; info: TLineInfo): PNode {....raises: [], tags: [], forbids: [].}
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proc indirectAccess(a: PNode; b: string; info: TLineInfo; cache: IdentCache): PNode {. ...raises: [], tags: [], forbids: [].}
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proc lowerSwap(g: ModuleGraph; n: PNode; idgen: IdGenerator; owner: PSym): PNode {. ...raises: [], tags: [], forbids: [].}
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proc lowerTupleUnpacking(g: ModuleGraph; n: PNode; idgen: IdGenerator; owner: PSym): PNode {....raises: [KeyError, Exception, ValueError, OSError, IOError, ERecoverableError], tags: [ReadDirEffect, RootEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect], forbids: [].}
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proc lowerTupleUnpackingForAsgn(g: ModuleGraph; n: PNode; idgen: IdGenerator; owner: PSym): PNode {....raises: [KeyError], tags: [], forbids: [].}
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proc newAsgnStmt(le, ri: PNode): PNode {....raises: [], tags: [], forbids: [].}
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proc newDotExpr(obj, b: PSym): PNode {....raises: [], tags: [], forbids: [].}
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proc newFastAsgnStmt(le, ri: PNode): PNode {....raises: [], tags: [], forbids: [].}
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proc newFastMoveStmt(g: ModuleGraph; le, ri: PNode): PNode {....raises: [KeyError, Exception, ValueError, OSError, IOError, ERecoverableError], tags: [ ReadDirEffect, RootEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect], forbids: [].}
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proc newTryFinally(body, final: PNode): PNode {....raises: [], tags: [], forbids: [].}
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proc newTupleAccess(g: ModuleGraph; tup: PNode; i: int): PNode {....raises: [ KeyError, Exception, ValueError, OSError, IOError, ERecoverableError], tags: [ ReadDirEffect, RootEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect], forbids: [].}
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proc newTupleAccessRaw(tup: PNode; i: int): PNode {....raises: [KeyError], tags: [], forbids: [].}
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proc rawAddField(obj: PType; field: PSym) {....raises: [], tags: [], forbids: [].}
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proc rawDirectAccess(obj, field: PSym): PNode {....raises: [], tags: [], forbids: [].}
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