51 lines
2.2 KiB
Text
51 lines
2.2 KiB
Text
/-
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Copyright (c) 2019 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Leonardo de Moura
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-/
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import Lean.Attributes
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import Lean.Compiler.Util
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namespace Lean.Compiler
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inductive InlineAttributeKind where
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| inline | noinline | macroInline | inlineIfReduce
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deriving Inhabited, BEq
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builtin_initialize inlineAttrs : EnumAttributes InlineAttributeKind ←
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registerEnumAttributes `inlineAttrs
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[(`inline, "mark definition to always be inlined", InlineAttributeKind.inline),
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(`inlineIfReduce, "mark definition to be inlined when resultant term after reduction is not a `cases_on` application", InlineAttributeKind.inlineIfReduce),
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(`noinline, "mark definition to never be inlined", InlineAttributeKind.noinline),
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(`macroInline, "mark definition to always be inlined before ANF conversion", InlineAttributeKind.macroInline)]
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(fun declName _ => do
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let env ← getEnv
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ofExcept $ checkIsDefinition env declName)
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private partial def hasInlineAttrAux (env : Environment) (kind : InlineAttributeKind) (n : Name) : Bool :=
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/- We never inline auxiliary declarations created by eager lambda lifting -/
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if isEagerLambdaLiftingName n then false
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else match inlineAttrs.getValue env n with
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| some k => kind == k
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| none => if n.isInternal then hasInlineAttrAux env kind n.getPrefix else false
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@[export lean_has_inline_attribute]
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def hasInlineAttribute (env : Environment) (n : Name) : Bool :=
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hasInlineAttrAux env InlineAttributeKind.inline n
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@[export lean_has_inline_if_reduce_attribute]
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def hasInlineIfReduceAttribute (env : Environment) (n : Name) : Bool :=
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hasInlineAttrAux env InlineAttributeKind.inlineIfReduce n
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@[export lean_has_noinline_attribute]
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def hasNoInlineAttribute (env : Environment) (n : Name) : Bool :=
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hasInlineAttrAux env InlineAttributeKind.noinline n
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@[export lean_has_macro_inline_attribute]
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def hasMacroInlineAttribute (env : Environment) (n : Name) : Bool :=
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hasInlineAttrAux env InlineAttributeKind.macroInline n
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def setInlineAttribute (env : Environment) (declName : Name) (kind : InlineAttributeKind) : Except String Environment :=
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inlineAttrs.setValue env declName kind
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end Lean.Compiler
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