67 lines
2.5 KiB
Text
67 lines
2.5 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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prelude
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import Init.Lean.Attributes
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import Init.Lean.Compiler.Util
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namespace Lean
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namespace Compiler
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inductive InlineAttributeKind
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| inline | noinline | macroInline | inlineIfReduce
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namespace InlineAttributeKind
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instance : Inhabited InlineAttributeKind := ⟨InlineAttributeKind.inline⟩
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protected def beq : InlineAttributeKind → InlineAttributeKind → Bool
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| inline, inline => true
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| noinline, noinline => true
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| macroInline, macroInline => true
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| inlineIfReduce, inlineIfReduce => true
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| _, _ => false
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instance : HasBeq InlineAttributeKind := ⟨InlineAttributeKind.beq⟩
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end InlineAttributeKind
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def mkInlineAttrs : IO (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 env declName _ => checkIsDefinition env declName)
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@[init mkInlineAttrs]
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constant inlineAttrs : EnumAttributes InlineAttributeKind := arbitrary _
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private partial def hasInlineAttrAux (env : Environment) (kind : InlineAttributeKind) : Name → Bool
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| n =>
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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 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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end Compiler
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end Lean
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