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[dev.unified] cmd/compile: rename haveRType and implicitExpr
This CL renames: 1. "haveRType" to "hasRType", suggested by drchase@ during review of CL 413358; and 2. "implicitExpr" to "implicitConvExpr", suggested by khr@ during review of CL 413396. Change-Id: Ibb4deae20908d960706640991ea44d1b9c0b9e3c Reviewed-on: https://go-review.googlesource.com/c/go/+/413854 Run-TryBot: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Keith Randall <khr@google.com> Reviewed-by: Keith Randall <khr@golang.org>
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@ -1088,7 +1088,7 @@ func (w *writer) stmt1(stmt syntax.Stmt) {
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if stmt.Op != syntax.Shl && stmt.Op != syntax.Shr {
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typ = w.p.typeOf(stmt.Lhs)
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}
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w.implicitExpr(stmt, typ, stmt.Rhs)
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w.implicitConvExpr(stmt, typ, stmt.Rhs)
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default:
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w.assignStmt(stmt, stmt.Lhs, stmt.Rhs)
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@ -1146,7 +1146,7 @@ func (w *writer) stmt1(stmt syntax.Stmt) {
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resultTypes := w.sig.Results()
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if len(exprs) == resultTypes.Len() {
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for i, expr := range exprs {
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w.implicitExpr(stmt, resultTypes.At(i).Type(), expr)
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w.implicitConvExpr(stmt, resultTypes.At(i).Type(), expr)
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}
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} else if len(exprs) == 0 {
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// ok: bare "return" with named result parameters
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@ -1166,7 +1166,7 @@ func (w *writer) stmt1(stmt syntax.Stmt) {
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w.Code(stmtSend)
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w.pos(stmt)
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w.expr(stmt.Chan)
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w.implicitExpr(stmt, chanType.Elem(), stmt.Value)
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w.implicitConvExpr(stmt, chanType.Elem(), stmt.Value)
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case *syntax.SwitchStmt:
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w.Code(stmtSwitch)
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@ -1263,7 +1263,7 @@ func (w *writer) assignStmt(pos poser, lhs0, rhs0 syntax.Expr) {
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dstType = w.p.typeOf(dst)
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}
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w.implicitExpr(pos, dstType, expr)
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w.implicitConvExpr(pos, dstType, expr)
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}
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} else if len(rhs) == 0 {
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// ok: variable declaration without values
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@ -1498,7 +1498,7 @@ func (w *writer) expr(expr syntax.Expr) {
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w.Code(exprIndex)
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w.expr(expr.X)
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w.pos(expr)
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w.implicitExpr(expr, keyType, expr.Index)
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w.implicitConvExpr(expr, keyType, expr.Index)
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case *syntax.SliceExpr:
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w.Code(exprSlice)
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@ -1607,7 +1607,7 @@ func (w *writer) expr(expr syntax.Expr) {
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} else {
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paramType = paramTypes.At(i).Type()
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}
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w.implicitExpr(expr, paramType, arg)
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w.implicitConvExpr(expr, paramType, arg)
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}
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w.Bool(expr.HasDots)
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@ -1621,10 +1621,10 @@ func (w *writer) optExpr(expr syntax.Expr) {
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}
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}
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// implicitExpr is like expr, but if dst is non-nil and different from
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// implicitConvExpr is like expr, but if dst is non-nil and different from
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// expr's type, then an implicit conversion operation is inserted at
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// pos.
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func (w *writer) implicitExpr(pos poser, dst types2.Type, expr syntax.Expr) {
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func (w *writer) implicitConvExpr(pos poser, dst types2.Type, expr syntax.Expr) {
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src := w.p.typeOf(expr)
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if dst != nil && !types2.Identical(src, dst) {
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if !types2.AssignableTo(src, dst) {
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@ -1682,12 +1682,12 @@ func (w *writer) compLit(lit *syntax.CompositeLit) {
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if kv, ok := elem.(*syntax.KeyValueExpr); w.Bool(ok) {
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// use position of expr.Key rather than of elem (which has position of ':')
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w.pos(kv.Key)
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w.implicitExpr(kv.Key, keyType, kv.Key)
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w.implicitConvExpr(kv.Key, keyType, kv.Key)
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elem = kv.Value
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}
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}
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w.pos(elem)
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w.implicitExpr(elem, elemType, elem)
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w.implicitConvExpr(elem, elemType, elem)
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}
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}
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@ -11,7 +11,7 @@ import (
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"cmd/internal/src"
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)
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func haveRType(n, rtype ir.Node, fieldName string, required bool) bool {
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func hasRType(n, rtype ir.Node, fieldName string, required bool) bool {
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if rtype != nil {
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return true
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}
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@ -71,7 +71,7 @@ func concreteRType(pos src.XPos, typ *types.Type) ir.Node {
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// representing the result slice type's element type.
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func AppendElemRType(pos src.XPos, n *ir.CallExpr) ir.Node {
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assertOp(n, ir.OAPPEND)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return sliceElemRType(pos, n.Type())
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@ -84,7 +84,7 @@ func AppendElemRType(pos src.XPos, n *ir.CallExpr) ir.Node {
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func CompareRType(pos src.XPos, n *ir.BinaryExpr) ir.Node {
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assertOp2(n, ir.OEQ, ir.ONE)
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base.AssertfAt(n.X.Type().IsInterface() != n.Y.Type().IsInterface(), n.Pos(), "expect mixed interface and non-interface, have %L and %L", n.X, n.Y)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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typ := n.X.Type()
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@ -106,7 +106,7 @@ func ConvIfaceTypeWord(pos src.XPos, n *ir.ConvExpr) ir.Node {
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src, dst := n.X.Type(), n.Type()
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base.AssertfAt(dst.IsInterface(), n.Pos(), "want interface type, have %L", n)
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// TODO(mdempsky): Need to handle implicit interface conversions.
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if haveRType(n, n.TypeWord, "TypeWord", false) {
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if hasRType(n, n.TypeWord, "TypeWord", false) {
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return n.TypeWord
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}
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if dst.IsEmptyInterface() {
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@ -125,7 +125,7 @@ func ConvIfaceTypeWord(pos src.XPos, n *ir.ConvExpr) ir.Node {
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func ConvIfaceSrcRType(pos src.XPos, n *ir.ConvExpr) ir.Node {
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assertOp2(n, ir.OCONVIFACE, ir.OCONVIDATA)
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// TODO(mdempsky): Need to handle implicit interface conversions.
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if haveRType(n, n.SrcRType, "SrcRType", false) {
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if hasRType(n, n.SrcRType, "SrcRType", false) {
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return n.SrcRType
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}
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return concreteRType(pos, n.X.Type())
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@ -136,7 +136,7 @@ func ConvIfaceSrcRType(pos src.XPos, n *ir.ConvExpr) ir.Node {
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// destination slice type's element type.
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func CopyElemRType(pos src.XPos, n *ir.BinaryExpr) ir.Node {
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assertOp(n, ir.OCOPY)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return sliceElemRType(pos, n.X.Type())
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@ -147,7 +147,7 @@ func CopyElemRType(pos src.XPos, n *ir.BinaryExpr) ir.Node {
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// map type.
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func DeleteMapRType(pos src.XPos, n *ir.CallExpr) ir.Node {
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assertOp(n, ir.ODELETE)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return mapRType(pos, n.Args[0].Type())
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@ -158,7 +158,7 @@ func DeleteMapRType(pos src.XPos, n *ir.CallExpr) ir.Node {
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// map type.
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func IndexMapRType(pos src.XPos, n *ir.IndexExpr) ir.Node {
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assertOp(n, ir.OINDEXMAP)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return mapRType(pos, n.X.Type())
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@ -169,7 +169,7 @@ func IndexMapRType(pos src.XPos, n *ir.IndexExpr) ir.Node {
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// value representing that channel type.
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func MakeChanRType(pos src.XPos, n *ir.MakeExpr) ir.Node {
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assertOp(n, ir.OMAKECHAN)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return chanRType(pos, n.Type())
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@ -180,7 +180,7 @@ func MakeChanRType(pos src.XPos, n *ir.MakeExpr) ir.Node {
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// representing that map type.
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func MakeMapRType(pos src.XPos, n *ir.MakeExpr) ir.Node {
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assertOp(n, ir.OMAKEMAP)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return mapRType(pos, n.Type())
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@ -191,7 +191,7 @@ func MakeMapRType(pos src.XPos, n *ir.MakeExpr) ir.Node {
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// value representing that slice type's element type.
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func MakeSliceElemRType(pos src.XPos, n *ir.MakeExpr) ir.Node {
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assertOp2(n, ir.OMAKESLICE, ir.OMAKESLICECOPY)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return sliceElemRType(pos, n.Type())
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@ -202,7 +202,7 @@ func MakeSliceElemRType(pos src.XPos, n *ir.MakeExpr) ir.Node {
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// representing that map type.
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func RangeMapRType(pos src.XPos, n *ir.RangeStmt) ir.Node {
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assertOp(n, ir.ORANGE)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return mapRType(pos, n.X.Type())
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@ -213,7 +213,7 @@ func RangeMapRType(pos src.XPos, n *ir.RangeStmt) ir.Node {
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// representing the result slice type's element type.
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func UnsafeSliceElemRType(pos src.XPos, n *ir.BinaryExpr) ir.Node {
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assertOp(n, ir.OUNSAFESLICE)
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if haveRType(n, n.RType, "RType", true) {
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if hasRType(n, n.RType, "RType", true) {
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return n.RType
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}
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return sliceElemRType(pos, n.Type())
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