// Package types2 declares the data types and implements
// the algorithms for type-checking of Go packages. Use
// Config.Check to invoke the type checker for a package.
// Alternatively, create a new type checker with NewChecker
// and invoke it incrementally by calling Checker.Files.
//
// Type-checking consists of several interdependent phases:
//
// Name resolution maps each identifier (syntax.Name) in the program to the

import static com.google.common.base.Preconditions.checkNotNull;

import com.google.common.annotations.GwtCompatible;
import java.util.Queue;
import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * An Iterator implementation which draws elements from a queue, removing them from the queue as it
 * iterates. This class is not thread safe.
 */
@GwtCompatible

	unsafestring64(ptr, len64)

	// Check that underlying array doesn't straddle multiple heap objects.
	// unsafestring64 has already checked for overflow.
	if checkptrStraddles(ptr, uintptr(len64)) {
		throw("checkptr: unsafe.String result straddles multiple allocations")
	}
}

func panicunsafestringlen() {
	panic(errorString("unsafe.String: len out of range"))
}

func panicunsafestringnilptr() {

}

// NewAlias creates a new Alias type with the given type name and rhs.
// rhs must not be nil.
func NewAlias(obj *TypeName, rhs Type) *Alias {
	alias := (*Checker)(nil).newAlias(obj, rhs)
	// Ensure that alias.actual is set (#65455).
	alias.cleanup()
	return alias
}

// Obj returns the type name for the declaration defining the alias type a.

		}
	}

	return false
}

func (check *Checker) isTerminatingList(list []syntax.Stmt, label string) bool {
	// trailing empty statements are permitted - skip them
	for i := len(list) - 1; i >= 0; i-- {
		if _, ok := list[i].(*syntax.EmptyStmt); !ok {
			return check.isTerminating(list[i], label)
		}
	}
	return false // all statements are empty
}

	. "internal/types/errors"
	"math"
)

// overflow checks that the constant x is representable by its type.
// For untyped constants, it checks that the value doesn't become
// arbitrarily large.
func (check *Checker) overflow(x *operand, opPos syntax.Pos) {
	assert(x.mode == constant_)

	if x.val.Kind() == constant.Unknown {
		// TODO(gri) We should report exactly what went wrong. At the

// compile -d=checkptr

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

import "unsafe"

type ptr unsafe.Pointer

func f(p ptr) *int { return (*int)(p) }

// and if x is the (formerly untyped) lhs operand of a non-constant
// shift, it must be an integer value.
func (check *Checker) updateExprType(x ast.Expr, typ Type, final bool) {
	check.updateExprType0(nil, x, typ, final)
}

func (check *Checker) updateExprType0(parent, x ast.Expr, typ Type, final bool) {
	old, found := check.untyped[x]
	if !found {
		return // nothing to do
	}

			minimumPercent, r.SuccessfulRequests, r.TotalRequests, r.PercentSuccess(), r.Error)
	}
	if r.SuccessfulRequests == r.TotalRequests {
		t.Log("traffic checker succeeded with all successful requests")
	} else {
		t.Logf("traffic checker met minimum threshold, with %d/%d successes, but encountered some failures: %v", r.SuccessfulRequests, r.TotalRequests, r.Error)
	}

			pkgPath:         "k8s.io/bar/foo/baz/etc",
			shouldBeAllowed: true,
		},
	}

	checker := &illegalPackageSourceChecker{disallowedPrefixes}

	for _, tc := range testCases {
		if checker.IsForbidden(tc.pkgPath) {
			if tc.shouldBeAllowed {
				t.Fatalf("expected package path %q to have been allowed", tc.pkgPath)
			}
			continue
		}