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scala.scalanative.nir.Show.scala Maven / Gradle / Ivy
package scala.scalanative
package nir
import java.nio.charset.StandardCharsets
import scala.collection.mutable
import scala.scalanative.util.ShowBuilder.InMemoryShowBuilder
import scalanative.util.{ShowBuilder, unreachable}
import nir.Defn.Define.DebugInfo
object Show {
def newBuilder: NirShowBuilder = new NirShowBuilder(new InMemoryShowBuilder)
def debug[T](msg: String)(f: => T): T = {
val value = f
println("$msg: " + value)
value
}
def apply(v: Attr): String = { val b = newBuilder; b.onAttr(v); b.toString }
def apply(v: Attrs): String = { val b = newBuilder; b.onAttrs(v); b.toString }
def apply(v: Bin): String = { val b = newBuilder; b.onBin(v); b.toString }
def apply(v: Comp): String = { val b = newBuilder; b.onComp(v); b.toString }
def apply(v: Conv): String = { val b = newBuilder; b.onConv(v); b.toString }
def apply(v: Defn): String = { val b = newBuilder; b.onDefn(v); b.toString }
def apply(v: Global): String = {
val b = newBuilder; b.onGlobal(v); b.toString
}
def apply(v: Sig): String = {
val b = newBuilder; b.onSig(v); b.toString
}
def apply(v: Inst): String = { val b = newBuilder; b.show(v); b.toString }
def apply(v: Local): String = { val b = newBuilder; b.show(v); b.toString }
def apply(v: Next): String = { val b = newBuilder; b.show(v); b.toString }
def apply(v: Op): String = { val b = newBuilder; b.show(v); b.toString }
def apply(v: Type): String = { val b = newBuilder; b.onType(v); b.toString }
def apply(v: Val): String = { val b = newBuilder; b.show(v); b.toString }
def apply(v: nir.MemoryOrder): String = {
val b = newBuilder; b.onMemoryOrder(v); b.toString
}
type DefnString = (Global, String)
def dump(defns: Seq[Defn], fileName: String): Unit = {
val pw = new java.io.PrintWriter(fileName)
try {
defns
.filter(_ != null)
.sortBy(_.name)
.foreach { defn =>
pw.write(defn.show)
pw.write("\n")
}
} finally {
pw.close()
}
}
final class NirShowBuilder(val builder: ShowBuilder) extends AnyVal {
import builder._
def onAttrs(attrs: Attrs): Unit =
if (attrs == Attrs.None) {
()
} else {
onAttrs(attrs.toSeq)
}
def onAttrs(attrs: Seq[Attr]): Unit = {
rep(attrs, sep = " ")(onAttr)
str(" ")
}
def onAttr(attr: Attr): Unit = attr match {
case Attr.MayInline =>
str("mayinline")
case Attr.InlineHint =>
str("inlinehint")
case Attr.NoInline =>
str("noinline")
case Attr.AlwaysInline =>
str("alwaysinline")
case Attr.MaySpecialize =>
str("mayspecialize")
case Attr.NoSpecialize =>
str("nospecialize")
case Attr.UnOpt =>
str("unopt")
case Attr.NoOpt =>
str("noopt")
case Attr.DidOpt =>
str("didopt")
case Attr.BailOpt(msg) =>
str("bailopt(\"")
str(escapeQuotes(msg))
str("\")")
case Attr.Dyn =>
str("dyn")
case Attr.Stub =>
str("stub")
case Attr.Extern(isBlocking) =>
str("extern")
if (isBlocking) str(" blocking")
case Attr.Link(name) =>
str("link(\"")
str(escapeQuotes(name))
str("\")")
case Attr.Define(name) =>
str("define(\"")
str(escapeQuotes(name))
str("\")")
case Attr.Abstract =>
str("abstract")
case Attr.Volatile =>
str("volatile")
case Attr.Final =>
str("final")
case Attr.SafePublish => str("safe-publish")
case Attr.LinktimeResolved =>
str("linktime")
case Attr.Alignment(size, group) =>
str("align(")
str(size)
group.foreach { v =>
str(", "); str(escapeQuotes(v))
}
str(")")
case Attr.UsesIntrinsic =>
str("uses-intrinsics")
}
def show(next: Next): Unit = onNext(next)(DebugInfo.empty)
def onNext(next: Next)(implicit debugInfo: DebugInfo): Unit = next match {
case Next.Label(name, Seq()) =>
onLocal(name)
case Next.Unwind(exc, next) =>
str("unwind ")
onVal(exc)
str(" to ")
onNext(next)
case Next.Case(v, next) =>
str("case ")
onVal(v)
str(" => ")
onNext(next)
case Next.Label(name, args) =>
onLocal(name)
str("(")
rep(args, sep = ", ")(onVal)
str(")")
case Next.None => ()
}
def show(inst: Inst): Unit = this.onInst(inst)(DebugInfo.empty)
def onInst(inst: Inst)(implicit debugInfo: DebugInfo): Unit = inst match {
case Inst.Label(name, params) =>
onLocal(name)
if (params.isEmpty) {
()
} else {
str("(")
rep(params, sep = ", ")(onVal)
str(")")
}
str(":")
case let @ Inst.Let(id, op, unwind) =>
if (!let.scopeId.isTopLevel) {
str(let.scopeId.id); str(": ")
}
onLocal(id)
str(" = ")
onOp(op)
if (unwind ne Next.None) {
str(" ")
onNext(unwind)
}
case Inst.Ret(value) =>
str("ret ")
onVal(value)
case Inst.Jump(next) =>
str("jump ")
onNext(next)
case Inst.If(cond, thenp, elsep) =>
str("if ")
onVal(cond)
str(" then ")
onNext(thenp)
str(" else ")
onNext(elsep)
case Inst.LinktimeIf(cond, thenp, elsep) =>
str("linktime if ")
linktimeCondition(cond)
str(" then ")
onNext(thenp)
str(" else ")
onNext(elsep)
case Inst.Switch(scrut, default, cases) =>
str("switch ")
onVal(scrut)
str(" {")
rep(cases) { next =>
str(" ")
onNext(next)
}
str(" default => ")
onNext(default)
str(" }")
case Inst.Throw(v, unwind) =>
str("throw ")
onVal(v)
if (unwind ne Next.None) {
str(" ")
onNext(unwind)
}
case Inst.Unreachable(unwind) =>
str("unreachable")
if (unwind ne Next.None) {
str(" ")
onNext(unwind)
}
}
def show(op: Op): Unit = onOp(op)(DebugInfo.empty)
def onOp(op: Op)(implicit debugInfo: DebugInfo): Unit = op match {
case Op.Call(ty, f, args) =>
str("call[")
onType(ty)
str("] ")
onVal(f)
str("(")
rep(args, sep = ", ")(onVal)
str(")")
case Op.Load(ty, ptr, memoryOrder) =>
val isAtomic = memoryOrder.isDefined
if (isAtomic) str("atomic ")
str("load[")
onType(ty)
str("] ")
onVal(ptr)
memoryOrder.foreach {
str(" ")
onMemoryOrder(_)
}
case Op.Store(ty, ptr, value, memoryOrder) =>
val isAtomic = memoryOrder.isDefined
if (isAtomic) str("atomic ")
str("store[")
onType(ty)
str("] ")
onVal(ptr)
str(", ")
onVal(value)
memoryOrder.foreach {
str(" ")
onMemoryOrder(_)
}
case Op.Elem(ty, ptr, indexes) =>
str("elem[")
onType(ty)
str("] ")
onVal(ptr)
str(", ")
rep(indexes, sep = ", ")(onVal)
case Op.Extract(aggr, indexes) =>
str("extract ")
onVal(aggr)
str(", ")
rep(indexes, sep = ", ")(str)
case Op.Insert(aggr, value, indexes) =>
str("insert ")
onVal(aggr)
str(", ")
onVal(value)
str(", ")
rep(indexes, sep = ", ")(str)
case Op.Stackalloc(ty, n) =>
str("stackalloc[")
onType(ty)
str("]")
str(" ")
onVal(n)
case Op.Bin(bin, ty, l, r) =>
onBin(bin)
str("[")
onType(ty)
str("] ")
onVal(l)
str(", ")
onVal(r)
case Op.Comp(comp, ty, l, r) =>
onComp(comp)
str("[")
onType(ty)
str("] ")
onVal(l)
str(", ")
onVal(r)
case Op.Conv(conv, ty, v) =>
onConv(conv)
str("[")
onType(ty)
str("] ")
onVal(v)
case Op.Fence(memoryOrder) =>
str("fence ")
onMemoryOrder(memoryOrder)
case Op.Classalloc(name, zone) =>
str("classalloc ")
onGlobal(name)
zone.foreach { v =>
str(" inZone ")
onVal(v)
}
case Op.Fieldload(ty, obj, name) =>
str("fieldload[")
onType(ty)
str("] ")
onVal(obj)
str(", ")
onGlobal(name)
case Op.Fieldstore(ty, obj, name, value) =>
str("fieldstore[")
onType(ty)
str("] ")
onVal(obj)
str(", ")
onGlobal(name)
str(", ")
onVal(value)
case Op.Field(value, name) =>
str("field ")
onVal(value)
str(", ")
onGlobal(name)
case Op.Method(value, sig) =>
str("method ")
onVal(value)
str(", \"")
str(escapeQuotes(sig.mangle))
str("\"")
case Op.Dynmethod(value, sig) =>
str("dynmethod ")
onVal(value)
str(", \"")
str(escapeQuotes(sig.mangle))
str("\"")
case Op.Module(name) =>
str("module ")
onGlobal(name)
case Op.As(ty, v) =>
str("as[")
onType(ty)
str("] ")
onVal(v)
case Op.Is(ty, v) =>
str("is[")
onType(ty)
str("] ")
onVal(v)
case Op.Copy(value) =>
str("copy ")
onVal(value)
case Op.SizeOf(ty) =>
str("sizeOf[")
onType(ty)
str("] ")
case Op.AlignmentOf(ty) =>
str("alignmentOf[")
onType(ty)
str("] ")
case Op.Box(ty, v) =>
str("box[")
onType(ty)
str("] ")
onVal(v)
case Op.Unbox(ty, v) =>
str("unbox[")
onType(ty)
str("] ")
onVal(v)
case Op.Var(ty) =>
str("var[")
onType(ty)
str("]")
case Op.Varload(slot) =>
str("varload ")
onVal(slot)
case Op.Varstore(slot, value) =>
str("varstore ")
onVal(slot)
str(", ")
onVal(value)
case Op.Arrayalloc(ty, init, zone) =>
str("arrayalloc[")
onType(ty)
str("] ")
onVal(init)
zone.foreach { v =>
str(" inZone ")
onVal(v)
}
case Op.Arrayload(ty, arr, idx) =>
str("arrayload[")
onType(ty)
str("] ")
onVal(arr)
str(", ")
onVal(idx)
case Op.Arraystore(ty, arr, idx, value) =>
str("arraystore[")
onType(ty)
str("] ")
onVal(arr)
str(", ")
onVal(idx)
str(", ")
onVal(value)
case Op.Arraylength(arr) =>
str("arraylength ")
onVal(arr)
}
def onBin(bin: Bin): Unit = bin match {
case Bin.Iadd => str("iadd")
case Bin.Fadd => str("fadd")
case Bin.Isub => str("isub")
case Bin.Fsub => str("fsub")
case Bin.Imul => str("imul")
case Bin.Fmul => str("fmul")
case Bin.Sdiv => str("sdiv")
case Bin.Udiv => str("udiv")
case Bin.Fdiv => str("fdiv")
case Bin.Srem => str("srem")
case Bin.Urem => str("urem")
case Bin.Frem => str("frem")
case Bin.Shl => str("shl")
case Bin.Lshr => str("lshr")
case Bin.Ashr => str("ashr")
case Bin.And => str("and")
case Bin.Or => str("or")
case Bin.Xor => str("xor")
}
def onComp(comp: Comp): Unit = comp match {
case Comp.Ieq => str("ieq")
case Comp.Ine => str("ine")
case Comp.Ugt => str("ugt")
case Comp.Uge => str("uge")
case Comp.Ult => str("ult")
case Comp.Ule => str("ule")
case Comp.Sgt => str("sgt")
case Comp.Sge => str("sge")
case Comp.Slt => str("slt")
case Comp.Sle => str("sle")
case Comp.Feq => str("feq")
case Comp.Fne => str("fne")
case Comp.Fgt => str("fgt")
case Comp.Fge => str("fge")
case Comp.Flt => str("flt")
case Comp.Fle => str("fle")
}
def onConv(conv: Conv): Unit = conv match {
case Conv.SSizeCast => str("ssizecast")
case Conv.ZSizeCast => str("zsizecast")
case Conv.Trunc => str("trunc")
case Conv.Zext => str("zext")
case Conv.Sext => str("sext")
case Conv.Fptrunc => str("fptrunc")
case Conv.Fpext => str("fpext")
case Conv.Fptoui => str("fptoui")
case Conv.Fptosi => str("fptosi")
case Conv.Uitofp => str("uitofp")
case Conv.Sitofp => str("sitofp")
case Conv.Ptrtoint => str("ptrtoint")
case Conv.Inttoptr => str("inttoptr")
case Conv.Bitcast => str("bitcast")
}
def onMemoryOrder(v: MemoryOrder): Unit = v match {
case MemoryOrder.Unordered => str("unordered")
case MemoryOrder.Monotonic => str("monotonic")
case MemoryOrder.Acquire => str("acquire")
case MemoryOrder.Release => str("release")
case MemoryOrder.AcqRel => str("onAcqrel")
case MemoryOrder.SeqCst => str("onSeqcst")
}
def show(value: Val): Unit = onVal(value)(DebugInfo.empty)
def onVal(value: Val)(implicit debugInfo: DebugInfo): Unit = value match {
case Val.True =>
str("true")
case Val.False =>
str("false")
case Val.Null =>
str("null")
case Val.Zero(ty) =>
str("zero[")
onType(ty)
str("]")
case Val.Size(value) =>
str("size ")
str(value)
case Val.Char(value) =>
str("char ")
str(value.toInt)
case Val.Byte(value) =>
str("byte ")
str(value)
case Val.Short(value) =>
str("short ")
str(value)
case Val.Int(value) =>
str("int ")
str(value)
case Val.Long(value) =>
str("long ")
str(value)
case Val.Float(value) =>
str("float ")
str(value)
case Val.Double(value) =>
str("double ")
str(value)
case Val.StructValue(values) =>
str("structvalue {")
rep(values, sep = ", ")(onVal)
str("}")
case Val.ArrayValue(ty, values) =>
str("arrayvalue ")
onType(ty)
str(" {")
rep(values, sep = ", ")(onVal)
str("}")
case v: Val.ByteString =>
str("c\"")
val stringValue = new String(v.bytes, StandardCharsets.ISO_8859_1)
str(escapeNewLine(escapeQuotes(stringValue)))
str("\"")
case Val.Local(id, ty) =>
onLocal(id)
str(" : ")
onType(ty)
case Val.Global(name, ty) =>
onGlobal(name)
str(" : ")
onType(ty)
case Val.Unit =>
str("unit")
case Val.Const(v) =>
str("const ")
onVal(v)
case Val.String(v) =>
str("\"")
str(escapeNewLine(escapeQuotes(v)))
str("\"")
case Val.Virtual(key) =>
str("virtual ")
str(key)
case Val.ClassOf(cls) =>
str("classOf[")
onGlobal(cls)
str("]")
}
def onDefns(defns: Seq[Defn]): Unit =
rep(defns) { defn =>
newline()
onDefn(defn)
}
def onDefn(defn: Defn): Unit = defn match {
case Defn.Var(attrs, name, ty, v) =>
onAttrs(attrs)
str("var ")
onGlobal(name)
str(" : ")
onType(ty)
str(" = ")
show(v)
case Defn.Const(attrs, name, ty, v) =>
onAttrs(attrs)
str("const ")
onGlobal(name)
str(" : ")
onType(ty)
str(" = ")
show(v)
case Defn.Declare(attrs, name, ty) =>
onAttrs(attrs)
str("decl ")
onGlobal(name)
str(" : ")
onType(ty)
case Defn.Define(attrs, name, ty, insts, debugInfo) =>
implicit val _debugInfo: Defn.Define.DebugInfo = debugInfo
onAttrs(attrs)
str("def ")
onGlobal(name)
str(" : ")
onType(ty)
str(" {")
rep(insts) {
case inst: Inst.Label =>
newline()
onInst(inst)
case inst =>
indent()
newline()
onInst(inst)
unindent()
}
newline()
str("}")
case Defn.Trait(attrs, name, ifaces) =>
onAttrs(attrs)
str("trait ")
onGlobal(name)
if (ifaces.nonEmpty) {
str(" : ")
rep(ifaces, sep = ", ")(onGlobal)
}
case Defn.Class(attrs, name, parent, ifaces) =>
val parents = parent ++: ifaces
onAttrs(attrs)
str("class ")
onGlobal(name)
if (parents.nonEmpty) {
str(" : ")
rep(parents, sep = ", ")(onGlobal)
}
case Defn.Module(attrs, name, parent, ifaces) =>
val parents = parent ++: ifaces
onAttrs(attrs)
str("module ")
onGlobal(name)
if (parents.nonEmpty) {
str(" : ")
rep(parents, sep = ", ")(onGlobal)
}
}
def onType(ty: Type): Unit = ty match {
case Type.Vararg => str("...")
case Type.Bool => str("bool")
case Type.Ptr => str("ptr")
case Type.Size => str("size")
case Type.Char => str("char")
case Type.Byte => str("byte")
case Type.Short => str("short")
case Type.Int => str("int")
case Type.Long => str("long")
case Type.Float => str("float")
case Type.Double => str("double")
case Type.ArrayValue(ty, n) =>
str("[")
onType(ty)
str(" x ")
str(n)
str("]")
case Type.Function(args, ret) =>
str("(")
rep(args, sep = ", ")(onType)
str(") => ")
onType(ret)
case Type.StructValue(tys) =>
str("{")
rep(tys, sep = ", ")(onType)
str("}")
case Type.Null => str("null")
case Type.Nothing => str("nothing")
case Type.Virtual => str("virtual")
case Type.Var(ty) => str("var["); onType(ty); str("]")
case Type.Unit => str("unit")
case Type.Array(ty, nullable) =>
if (!nullable) {
str("?")
}
str("array[")
onType(ty)
str("]")
case Type.Ref(name, exact, nullable) =>
if (exact) {
str("!")
}
if (!nullable) {
str("?")
}
onGlobal(name)
}
def onGlobal(global: Global): Unit = global match {
case Global.None =>
unreachable
case _ =>
str("@\"")
str(escapeQuotes(global.mangle))
str("\"")
}
def onSig(sig: Sig): Unit =
str(sig.mangle)
def show(local: Local): Unit = onLocal(local)(DebugInfo.empty)
def onLocal(local: Local)(implicit debugInfo: DebugInfo): Unit = {
str("%")
str(local.id)
debugInfo.localNames.get(local).foreach { name =>
str(" <"); str(name); str(">")
}
}
def linktimeCondition(cond: LinktimeCondition): Unit = {
import LinktimeCondition._
cond match {
case SimpleCondition(propertyName, comparison, value) =>
str(propertyName + " ")
onComp(comparison)
str(" ")
show(value)
case ComplexCondition(op, left, right) =>
linktimeCondition(left)
str(" ")
onBin(op)
str(" ")
linktimeCondition(right)
}
}
private def escapeNewLine(s: String): String =
"""([^\\]|^)\n""".r.replaceAllIn(
s,
_.matched.toSeq match {
case Seq(sngl) => raw"\\n"
case Seq('$', snd) => raw"\$$\\n"
case Seq(fst, snd) => raw"\${fst}\\n"
}
)
private def escapeQuotes(s: String): String = {
val chars = s.toArray
val out = mutable.UnrolledBuffer.empty[Char]
var i = 0
var escaped = false
while (i < chars.length) {
val char = chars(i)
char match {
case '"' =>
if (!escaped) out += '\\'
out += char
case _ =>
out += char
}
escaped = char == '\\'
i += 1
}
new String(out.toArray)
}
override def toString: String = builder.toString
}
}
