[dev.typeparams] cmd/compile/internal/syntax: remove ShortString, use String instead

Follow-up on feedback by mdempsky@ in https://golang.org/cl/282552 .

Change-Id: I1e5bb2d67cc8ae29fed100b87d18a33b3e2069eb
Reviewed-on: https://go-review.googlesource.com/c/go/+/282672
Trust: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>

src/cmd/compile/internal/syntax/printer.go

@@ -44,20 +44,17 @@ func Fprint(w io.Writer, x Node, form Form) (n int, err error) {
 	return
 }
 
-func asString(n Node, form Form) string {
+// String is a convenience functions that prints n in ShortForm
+// and returns the printed string.
+func String(n Node) string {
 	var buf bytes.Buffer
-	_, err := Fprint(&buf, n, form)
+	_, err := Fprint(&buf, n, ShortForm)
 	if err != nil {
 		fmt.Fprintf(&buf, "<<< ERROR: %s", err)
 	}
 	return buf.String()
 }
 
-// String and ShortString are convenience functions that print n in
-// LineForm or ShortForm respectively, and return the printed string.
-func String(n Node) string      { return asString(n, LineForm) }
-func ShortString(n Node) string { return asString(n, ShortForm) }
-
 type ctrlSymbol int
 
 const (

src/cmd/compile/internal/syntax/printer_test.go

@@ -178,7 +178,7 @@ func TestShortString(t *testing.T) {
 			continue
 		}
 		x := ast.DeclList[0].(*VarDecl).Values
-		if got := ShortString(x); got != test[1] {
+		if got := String(x); got != test[1] {
 			t.Errorf("%s: got %s, want %s", test[0], got, test[1])
 		}
 	}

src/cmd/compile/internal/types2/api_test.go

@@ -151,7 +151,7 @@ func TestValuesInfo(t *testing.T) {
 		// look for expression
 		var expr syntax.Expr
 		for e := range info.Types {
-			if syntax.ShortString(e) == test.expr {
+			if syntax.String(e) == test.expr {
 				expr = e
 				break
 			}
@@ -306,7 +306,7 @@ func TestTypesInfo(t *testing.T) {
 		// look for expression type
 		var typ Type
 		for e, tv := range info.Types {
-			if syntax.ShortString(e) == test.expr {
+			if syntax.String(e) == test.expr {
 				typ = tv.Type
 				break
 			}
@@ -454,7 +454,7 @@ func TestInferredInfo(t *testing.T) {
 			default:
 				panic(fmt.Sprintf("unexpected call expression type %T", call))
 			}
-			if syntax.ShortString(fun) == test.fun {
+			if syntax.String(fun) == test.fun {
 				targs = inf.Targs
 				sig = inf.Sig
 				break
@@ -733,8 +733,8 @@ func TestPredicatesInfo(t *testing.T) {
 		// look for expression predicates
 		got := "<missing>"
 		for e, tv := range info.Types {
-			//println(name, syntax.ShortString(e))
-			if syntax.ShortString(e) == test.expr {
+			//println(name, syntax.String(e))
+			if syntax.String(e) == test.expr {
 				got = predString(tv)
 				break
 			}

src/cmd/compile/internal/types2/assignments.go

@@ -197,7 +197,7 @@ func (check *Checker) assignVar(lhs syntax.Expr, x *operand) Type {
 			var op operand
 			check.expr(&op, sel.X)
 			if op.mode == mapindex {
-				check.errorf(&z, "cannot assign to struct field %s in map", syntax.ShortString(z.expr))
+				check.errorf(&z, "cannot assign to struct field %s in map", syntax.String(z.expr))
 				return nil
 			}
 		}

src/cmd/compile/internal/types2/builtins_test.go

@@ -176,7 +176,7 @@ func testBuiltinSignature(t *testing.T, name, src0, want string) {
 		// the recorded type for the built-in must match the wanted signature
 		typ := types[fun].Type
 		if typ == nil {
-			t.Errorf("%s: no type recorded for %s", src0, syntax.ShortString(fun))
+			t.Errorf("%s: no type recorded for %s", src0, syntax.String(fun))
 			return
 		}
 		if got := typ.String(); got != want {

src/cmd/compile/internal/types2/errors.go

@@ -53,7 +53,7 @@ func (check *Checker) sprintf(format string, args ...interface{}) string {
 		case syntax.Pos:
 			arg = a.String()
 		case syntax.Expr:
-			arg = syntax.ShortString(a)
+			arg = syntax.String(a)
 		case Object:
 			arg = ObjectString(a, check.qualifier)
 		case Type:

src/cmd/compile/internal/types2/operand.go

@@ -110,7 +110,7 @@ func operandString(x *operand, qf Qualifier) string {
 
 	var expr string
 	if x.expr != nil {
-		expr = syntax.ShortString(x.expr)
+		expr = syntax.String(x.expr)
 	} else {
 		switch x.mode {
 		case builtin: