132 lines
6.8 KiB
Text
132 lines
6.8 KiB
Text
/-
|
||
Copyright (c) 2019 Microsoft Corporation. All rights reserved.
|
||
Released under Apache 2.0 license as described in the file LICENSE.
|
||
Authors: Leonardo de Moura
|
||
-/
|
||
prelude
|
||
import Init.Lean.Compiler.IR.Basic
|
||
import Init.Lean.Format
|
||
|
||
namespace Lean
|
||
namespace IR
|
||
|
||
private def formatArg : Arg → Format
|
||
| Arg.var id => format id
|
||
| Arg.irrelevant => "◾"
|
||
|
||
instance argHasFormat : HasFormat Arg := ⟨formatArg⟩
|
||
|
||
def formatArray {α : Type} [HasFormat α] (args : Array α) : Format :=
|
||
args.foldl (fun r a => r ++ " " ++ format a) Format.nil
|
||
|
||
private def formatLitVal : LitVal → Format
|
||
| LitVal.num v => format v
|
||
| LitVal.str v => format (repr v)
|
||
|
||
instance litValHasFormat : HasFormat LitVal := ⟨formatLitVal⟩
|
||
|
||
private def formatCtorInfo : CtorInfo → Format
|
||
| { name := name, cidx := cidx, usize := usize, ssize := ssize, .. } =>
|
||
let r := format "ctor_" ++ format cidx;
|
||
let r := if usize > 0 || ssize > 0 then r ++ "." ++ format usize ++ "." ++ format ssize else r;
|
||
let r := if name != Name.anonymous then r ++ "[" ++ format name ++ "]" else r;
|
||
r
|
||
|
||
instance ctorInfoHasFormat : HasFormat CtorInfo := ⟨formatCtorInfo⟩
|
||
|
||
private def formatExpr : Expr → Format
|
||
| Expr.ctor i ys => format i ++ formatArray ys
|
||
| Expr.reset n x => "reset[" ++ format n ++ "] " ++ format x
|
||
| Expr.reuse x i u ys => "reuse" ++ (if u then "!" else "") ++ " " ++ format x ++ " in " ++ format i ++ formatArray ys
|
||
| Expr.proj i x => "proj[" ++ format i ++ "] " ++ format x
|
||
| Expr.uproj i x => "uproj[" ++ format i ++ "] " ++ format x
|
||
| Expr.sproj n o x => "sproj[" ++ format n ++ ", " ++ format o ++ "] " ++ format x
|
||
| Expr.fap c ys => format c ++ formatArray ys
|
||
| Expr.pap c ys => "pap " ++ format c ++ formatArray ys
|
||
| Expr.ap x ys => "app " ++ format x ++ formatArray ys
|
||
| Expr.box _ x => "box " ++ format x
|
||
| Expr.unbox x => "unbox " ++ format x
|
||
| Expr.lit v => format v
|
||
| Expr.isShared x => "isShared " ++ format x
|
||
| Expr.isTaggedPtr x => "isTaggedPtr " ++ format x
|
||
|
||
instance exprHasFormat : HasFormat Expr := ⟨formatExpr⟩
|
||
instance exprHasToString : HasToString Expr := ⟨fun e => Format.pretty (format e)⟩
|
||
|
||
private partial def formatIRType : IRType → Format
|
||
| IRType.float => "float"
|
||
| IRType.uint8 => "u8"
|
||
| IRType.uint16 => "u16"
|
||
| IRType.uint32 => "u32"
|
||
| IRType.uint64 => "u64"
|
||
| IRType.usize => "usize"
|
||
| IRType.irrelevant => "◾"
|
||
| IRType.object => "obj"
|
||
| IRType.tobject => "tobj"
|
||
| IRType.struct _ tys => "struct " ++ Format.bracket "{" (@Format.joinSep _ ⟨formatIRType⟩ tys.toList ", ") "}"
|
||
| IRType.union _ tys => "union " ++ Format.bracket "{" (@Format.joinSep _ ⟨formatIRType⟩ tys.toList ", ") "}"
|
||
|
||
instance typeHasFormat : HasFormat IRType := ⟨formatIRType⟩
|
||
|
||
private def formatParam : Param → Format
|
||
| { x := name, borrow := b, ty := ty } => "(" ++ format name ++ " : " ++ (if b then "@& " else "") ++ format ty ++ ")"
|
||
|
||
instance paramHasFormat : HasFormat Param := ⟨formatParam⟩
|
||
|
||
def formatAlt (fmt : FnBody → Format) (indent : Nat) : Alt → Format
|
||
| Alt.ctor i b => format i.name ++ " →" ++ Format.nest indent (Format.line ++ fmt b)
|
||
| Alt.default b => "default →" ++ Format.nest indent (Format.line ++ fmt b)
|
||
|
||
def formatParams (ps : Array Param) : Format :=
|
||
formatArray ps
|
||
|
||
@[export lean_ir_format_fn_body_head]
|
||
def formatFnBodyHead : FnBody → Format
|
||
| FnBody.vdecl x ty e b => "let " ++ format x ++ " : " ++ format ty ++ " := " ++ format e
|
||
| FnBody.jdecl j xs v b => format j ++ formatParams xs ++ " := ..."
|
||
| FnBody.set x i y b => "set " ++ format x ++ "[" ++ format i ++ "] := " ++ format y
|
||
| FnBody.uset x i y b => "uset " ++ format x ++ "[" ++ format i ++ "] := " ++ format y
|
||
| FnBody.sset x i o y ty b => "sset " ++ format x ++ "[" ++ format i ++ ", " ++ format o ++ "] : " ++ format ty ++ " := " ++ format y
|
||
| FnBody.setTag x cidx b => "setTag " ++ format x ++ " := " ++ format cidx
|
||
| FnBody.inc x n c _ b => "inc" ++ (if n != 1 then Format.sbracket (format n) else "") ++ " " ++ format x
|
||
| FnBody.dec x n c _ b => "dec" ++ (if n != 1 then Format.sbracket (format n) else "") ++ " " ++ format x
|
||
| FnBody.del x b => "del " ++ format x
|
||
| FnBody.mdata d b => "mdata " ++ format d
|
||
| FnBody.case tid x xType cs => "case " ++ format x ++ " of ..."
|
||
| FnBody.jmp j ys => "jmp " ++ format j ++ formatArray ys
|
||
| FnBody.ret x => "ret " ++ format x
|
||
| FnBody.unreachable => "⊥"
|
||
|
||
partial def formatFnBody (indent : Nat := 2) : FnBody → Format
|
||
| FnBody.vdecl x ty e b => "let " ++ format x ++ " : " ++ format ty ++ " := " ++ format e ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.jdecl j xs v b => format j ++ formatParams xs ++ " :=" ++ Format.nest indent (Format.line ++ formatFnBody v) ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.set x i y b => "set " ++ format x ++ "[" ++ format i ++ "] := " ++ format y ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.uset x i y b => "uset " ++ format x ++ "[" ++ format i ++ "] := " ++ format y ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.sset x i o y ty b => "sset " ++ format x ++ "[" ++ format i ++ ", " ++ format o ++ "] : " ++ format ty ++ " := " ++ format y ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.setTag x cidx b => "setTag " ++ format x ++ " := " ++ format cidx ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.inc x n c _ b => "inc" ++ (if n != 1 then Format.sbracket (format n) else "") ++ " " ++ format x ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.dec x n c _ b => "dec" ++ (if n != 1 then Format.sbracket (format n) else "") ++ " " ++ format x ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.del x b => "del " ++ format x ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.mdata d b => "mdata " ++ format d ++ ";" ++ Format.line ++ formatFnBody b
|
||
| FnBody.case tid x xType cs => "case " ++ format x ++ " : " ++ format xType ++ " of" ++ cs.foldl (fun r c => r ++ Format.line ++ formatAlt formatFnBody indent c) Format.nil
|
||
| FnBody.jmp j ys => "jmp " ++ format j ++ formatArray ys
|
||
| FnBody.ret x => "ret " ++ format x
|
||
| FnBody.unreachable => "⊥"
|
||
|
||
instance fnBodyHasFormat : HasFormat FnBody := ⟨formatFnBody⟩
|
||
instance fnBodyHasToString : HasToString FnBody := ⟨fun b => (format b).pretty⟩
|
||
|
||
def formatDecl (indent : Nat := 2) : Decl → Format
|
||
| Decl.fdecl f xs ty b => "def " ++ format f ++ formatParams xs ++ format " : " ++ format ty ++ " :=" ++ Format.nest indent (Format.line ++ formatFnBody indent b)
|
||
| Decl.extern f xs ty _ => "extern " ++ format f ++ formatParams xs ++ format " : " ++ format ty
|
||
|
||
instance declHasFormat : HasFormat Decl := ⟨formatDecl⟩
|
||
|
||
@[export lean_ir_decl_to_string]
|
||
def declToString (d : Decl) : String :=
|
||
(format d).pretty
|
||
|
||
instance declHasToString : HasToString Decl := ⟨declToString⟩
|
||
|
||
end IR
|
||
end Lean
|