guards

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This module implements the 'implies' relation for guards.

Imports

ast, astalgo, msgs, magicsys, nimsets, trees, types, renderer, idents, saturate, modulegraphs, options, lineinfos, int128

Types

TModel = object
  s*: seq[PNode]
  g*: ModuleGraph
  beSmart*: bool

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Procs

proc addAsgnFact(m: var TModel; key, value: PNode) {....raises: [], tags: [],
    forbids: [].}

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proc addCaseBranchFacts(m: var TModel; n: PNode; i: int) {.
    ...raises: [ERecoverableError], tags: [], forbids: [].}

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proc addDiscriminantFact(m: var TModel; n: PNode) {....raises: [], tags: [],
    forbids: [].}

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proc addFact(m: var TModel; nn: PNode) {....raises: [ERecoverableError, KeyError],
    tags: [], forbids: [].}

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proc addFactLe(m: var TModel; a, b: PNode) {....raises: [KeyError], tags: [],
    forbids: [].}

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proc addFactLt(m: var TModel; a, b: PNode) {....raises: [KeyError], tags: [],
    forbids: [].}

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proc addFactNeg(m: var TModel; n: PNode) {.
    ...raises: [ERecoverableError, KeyError], tags: [], forbids: [].}

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proc buildAdd(a: PNode; b: BiggestInt; o: Operators): PNode {.
    ...raises: [KeyError], tags: [], forbids: [].}

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proc buildCall(op: PSym; a, b: PNode): PNode {....raises: [], tags: [], forbids: [].}

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proc buildCall(op: PSym; a: PNode): PNode {....raises: [], tags: [], forbids: [].}

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proc buildLe(o: Operators; a, b: PNode): PNode {....raises: [], tags: [],
    forbids: [].}

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proc canon(n: PNode; o: Operators): PNode {....raises: [KeyError], tags: [],
    forbids: [].}

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proc checkFieldAccess(m: TModel; n: PNode; conf: ConfigRef; produceError: bool) {....raises: [
    KeyError, ERecoverableError, Exception, ValueError, OSError, IOError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

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proc doesImply(facts: TModel; prop: PNode): TImplication {....raises: [
    ERecoverableError, KeyError, Exception, ValueError, OSError, IOError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

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proc highBound(conf: ConfigRef; x: PNode; o: Operators): PNode {....raises: [
    Exception, ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

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proc impliesNotNil(m: TModel; arg: PNode): TImplication {....raises: [
    ERecoverableError, KeyError, Exception, ValueError, OSError, IOError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

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proc interestingCaseExpr(m: PNode): bool {....raises: [], tags: [], forbids: [].}

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proc invalidateFacts(m: var TModel; n: PNode) {....raises: [], tags: [],
    forbids: [].}

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proc invalidateFacts(s: var seq[PNode]; n: PNode) {....raises: [], tags: [],
    forbids: [].}

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proc lowBound(conf: ConfigRef; x: PNode): PNode {....raises: [Exception,
    ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

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proc proveLe(m: TModel; a, b: PNode): TImplication {....raises: [KeyError,
    ERecoverableError, Exception, ValueError, OSError, IOError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}

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proc sameSubexprs(m: TModel; a, b: PNode): bool {....raises: [ERecoverableError,
    KeyError, Exception, ValueError, OSError, IOError], tags: [RootEffect,
    ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect], forbids: [].}

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

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proc simpleSlice(a, b: PNode): BiggestInt {....raises: [], tags: [], forbids: [].}

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