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Merge pull request utwente-fmt#1218 from utwente-fmt/perf
Performance improvements
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Original file line number | Diff line number | Diff line change |
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package vct.col.rewrite | ||
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import vct.col.ast.Declaration | ||
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class SuccessorProviderChain[A, B, C, AD <: Declaration[A], BD <: Declaration[ | ||
B | ||
], CD <: Declaration[C]]( | ||
left: SuccessorProvider[A, B, AD, BD], | ||
right: SuccessorProvider[B, C, BD, CD], | ||
) extends SuccessorProvider[A, C, AD, CD] { | ||
override def computeSucc(decl: AD): Option[CD] = | ||
left.computeSucc(decl).flatMap(right.computeSucc) | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,10 @@ | ||
package vct.col.rewrite | ||
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import vct.col.ast.Declaration | ||
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class SuccessorProviderNothing[Pre, Post, PreDecl <: Declaration[ | ||
Pre | ||
], PostDecl <: Declaration[Post]](crash: => Nothing) | ||
extends SuccessorProvider[Pre, Post, PreDecl, PostDecl] { | ||
override def computeSucc(decl: PreDecl): Nothing = crash | ||
} |
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Original file line number | Diff line number | Diff line change |
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package vct.col.rewrite | ||
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import vct.col.ast.Declaration | ||
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class SuccessorProviderTrafo[Pre, Post, PreDecl <: Declaration[ | ||
Pre | ||
], PostDecl <: Declaration[Post]]( | ||
inner: SuccessorProvider[Pre, Post, PreDecl, PostDecl] | ||
) extends SuccessorProvider[Pre, Post, PreDecl, PostDecl] { | ||
def preTransform[I <: PreDecl, O <: PostDecl](pre: I): Option[O] = None | ||
def postTransform[T <: PostDecl](pre: PreDecl, post: Option[T]): Option[T] = | ||
post | ||
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override def computeSucc(decl: PreDecl): Option[PostDecl] = | ||
preTransform(decl).orElse(postTransform(decl, inner.computeSucc(decl))) | ||
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} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,17 @@ | ||
package vct.col.util | ||
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import vct.col.ast.{ | ||
Declaration, | ||
SuccessorsProviderNothing, | ||
SuccessorsProviderTrafo, | ||
} | ||
import vct.result.VerificationError.Unreachable | ||
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class IdentitySuccessorsProvider[G] | ||
extends SuccessorsProviderTrafo[G, G](new SuccessorsProviderNothing( | ||
throw Unreachable("Always preTransformed") | ||
)) { | ||
override def preTransform[I <: Declaration[G], O <: Declaration[G]]( | ||
pre: I | ||
): Option[O] = Some(pre.asInstanceOf[O]) | ||
} |
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