This module implements the pattern matching features for term rewriting macro support.
Types
TAliasRequest = enum aqNone = 1, aqShouldAlias, aqNoAlias
- Source Edit
TAssignableResult = enum arNone, arLValue, arLocalLValue, arDiscriminant, arAddressableConst, arLentValue, arStrange
- Source Edit
TSideEffectAnalysis = enum seUnknown, seSideEffect, seNoSideEffect
- Source Edit
Consts
MaxStackSize = 64
- max required stack size by the VM Source Edit
Procs
proc checkForSideEffects(n: PNode): TSideEffectAnalysis {....raises: [], tags: [], forbids: [].}
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proc isAssignable(owner: PSym; n: PNode): TAssignableResult {. ...raises: [KeyError, Exception, ValueError, ERecoverableError], tags: [RootEffect], forbids: [].}
- 'owner' can be nil! Source Edit
proc matchNodeKinds(p, n: PNode): bool {. ...raises: [KeyError, Exception, ValueError, ERecoverableError], tags: [RootEffect], forbids: [].}
- Source Edit
proc semNodeKindConstraints(n: PNode; conf: ConfigRef; start: Natural): PNode {. ...raises: [Exception, ValueError, KeyError, IOError, ERecoverableError], tags: [ RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect], forbids: [].}
- does semantic checking for a node kind pattern and compiles it into an efficient internal format. Source Edit
proc whichAlias(p: PSym): TAliasRequest {....raises: [], tags: [], forbids: [].}
- Source Edit