// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file implements a typechecker test harness. The packages specified
// in tests are typechecked. Error messages reported by the typechecker are
// compared against the errors expected in the test files.
//
// Expected errors are indicated in the test files by putting comments

		//	map[vstatk[i]] = vstate[i]
		// }
		i := typecheck.TempAt(base.Pos, ir.CurFunc, types.Types[types.TINT])
		rhs := ir.NewIndexExpr(base.Pos, vstate, i)
		rhs.SetBounded(true)

		kidx := ir.NewIndexExpr(base.Pos, vstatk, i)
		kidx.SetBounded(true)

		// typechecker rewrites OINDEX to OINDEXMAP
		lhs := typecheck.AssignExpr(ir.NewIndexExpr(base.Pos, m, kidx)).(*ir.IndexExpr)

		}
	}

	if check.conf._Trace {
		check.trace(err.posn().Pos(), "ERROR: %s (code = %d)", err.desc[0].msg, err.code)
	}

	// In go/types, if there is a sub-error with a valid position,
	// call the typechecker error handler for each sub-error.
	// Otherwise, call it once, with a single combined message.
	multiError := false
	if !isTypes2 {
		for i := 1; i < len(err.desc); i++ {
			if err.desc[i].posn.Pos().IsValid() {

			return
		}
	}

	if check.conf.Trace {
		check.trace(err.pos(), "ERROR: %s (code = %d)", err.desc[0].msg, err.code)
	}

	// In go/types, if there is a sub-error with a valid position,
	// call the typechecker error handler for each sub-error.
	// Otherwise, call it once, with a single combined message.
	multiError := false
	if !isTypes2 {
		for i := 1; i < len(err.desc); i++ {
			if err.desc[i].pos.IsKnown() {

				// v1 = hv1t
				body = append(body, rangeAssign(nrange, hv1t))
			}
		}
	}

	typecheck.Stmts(init)

	nfor.PtrInit().Append(init...)

	typecheck.Stmts(nfor.Cond.Init())

	nfor.Cond = typecheck.Expr(nfor.Cond)
	nfor.Cond = typecheck.DefaultLit(nfor.Cond, nil)
	nfor.Post = typecheck.Stmt(nfor.Post)
	typecheck.Stmts(body)
	nfor.Body.Append(body...)
	nfor.Body.Append(nrange.Body...)

	const src = `
package p

func f[T any]() {}
func _()        { f() }
`
	// no error handler provided (this issue)
	var conf Config
	typecheck(src, &conf, nil) // must not panic

	// with error handler (sanity check)
	conf.Error = func(error) {}
	typecheck(src, &conf, nil) // must not panic
}

func TestIssue63260(t *testing.T) {
	const src = `
package p

func _() {
        use(f[*string])

				nif.Cond = typecheck.Expr(nif.Cond)
				nif.Cond = typecheck.DefaultLit(nif.Cond, nil)
				out.Append(nif)
				out = &nif.Else
			}
			return
		}

		half := lo + n/2
		nif := ir.NewIfStmt(base.Pos, nil, nil, nil)
		nif.Cond = less(half)
		base.Pos = base.Pos.WithNotStmt()
		nif.Cond = typecheck.Expr(nif.Cond)
		nif.Cond = typecheck.DefaultLit(nif.Cond, nil)

	const src = `
package p

func f[T any]() {}
func _()        { f() }
`
	// no error handler provided (this issue)
	var conf Config
	typecheck(src, &conf, nil) // must not panic

	// with error handler (sanity check)
	conf.Error = func(error) {}
	typecheck(src, &conf, nil) // must not panic
}

func TestIssue63260(t *testing.T) {
	const src = `
package p

func _() {
        use(f[*string])

				var obj Object
				for _, scope := range fileScopes {
					if scope.Contains(ident.Pos()) {
						obj = scope.Lookup(ident.Value)
					}
				}
				// If Config.go115UsesCgo is set, the typechecker will resolve Cgo
				// selectors to their cgo name. We must do the same here.
				if pname, _ := obj.(*PkgName); pname != nil {
					if pname.imported.cgo { // only set if Config.go115UsesCgo is set

				var obj Object
				for _, scope := range fileScopes {
					if scope.Contains(ident.Pos()) {
						obj = scope.Lookup(ident.Name)
					}
				}
				// If Config.go115UsesCgo is set, the typechecker will resolve Cgo
				// selectors to their cgo name. We must do the same here.
				if pname, _ := obj.(*PkgName); pname != nil {
					if pname.imported.cgo { // only set if Config.go115UsesCgo is set