return pmain, ptest, pxtest, err
}

// TestPackagesAndErrors returns three packages:
//   - pmain, the package main corresponding to the test binary (running tests in ptest and pxtest).
//   - ptest, the package p compiled with added "package p" test files.
//   - pxtest, the result of compiling any "package p_test" (external) test files.
//
// If the package has no "package p_test" test files, pxtest will be nil.

// and a1.Deps is the actions for building packages directly imported by
// package main (what the compiler needs). The linker needs all packages
// transitively imported by the whole program; addTransitiveLinkDeps
// makes sure those are present in a.Deps.
// If shlib is non-empty, then a corresponds to the build and installation of shlib,

	// package, and (if no other modules match) one candidate set for the pattern
	// overall if no existing match is identified in the build list.
	//
	// A query for pattern "all" results in one set for each package transitively
	// imported by the main module.
	//
	// The special query for the "-u" flag results in one set for each
	// otherwise-unconstrained package that has available upgrades.

		// imports. TestStdlib will collect errors once for each package.
		return pkg, nil
	}
	return nil, err
}

// getDirPackage gets the package defined in dir from the future cache.
//
// If this is the first goroutine requesting the package, getDirPackage
// type-checks.
func (c *stdlibChecker) getDirPackage(dir string) (*Package, error) {
	c.mu.Lock()
	fut, ok := c.pkgs[dir]
	if !ok {

// Existing packages should not have their constraints relaxed
// without prior discussion.
// Negative assertions should almost never be removed.
//
// "a < b" means package b can import package a.
//
// See `go doc internal/dag' for the full syntax.
//
// All-caps names are pseudo-names for specific points
// in the dependency lattice.
var depsRules = `
	# No dependencies allowed for any of these packages.
	NONE
	< unsafe

     * If you do not supply any -group option, all packages are placed in one group with the heading "Packages".
     * If the all groups do not include all documented packages,
     * any leftover packages appear in a separate group with the heading "Other Packages".
     * <p>
     * For example, the following option separates the four documented packages into core,

	UsageLine: "go clean [clean flags] [build flags] [packages]",
	Short:     "remove object files and cached files",
	Long: `
Clean removes object files from package source directories.
The go command builds most objects in a temporary directory,
so go clean is mainly concerned with object files left by other
tools or by manual invocations of go build.

If a package argument is given or the -i or -r flag is set,

// just the selected packages.
//
// In the third case (vanilla merge with no combining or package
// selection) we can carry over meta-data files without touching them
// at all (only counter data files will be merged).
type metaMerge struct {
	calloc.BatchCounterAlloc
	cmerge.Merger
	// maps package import path to package state
	pkm map[string]*pkstate
	// list of packages
	pkgs []*pkstate
	// current package state

	// Gather all facts, including those from imported packages.
	var gobFacts []gobFact

	s.mu.Lock()
	for k, fact := range s.m {
		if debug {
			log.Printf("%v => %s\n", k, fact)
		}

		// Don't export facts that we imported from another
		// package, unless they represent fields or methods,
		// or package-level types.
		// (Facts about packages, and other package-level

    <!-- These packages are duplicated in ide-native from ide, don't require a package-info.java in each place -->
    <suppress checks="JavadocPackage"
              files=".*[/\\]ide-native[/\\]src[/\\]main[/\\]java[/\\]org[/\\]gradle[/\\]plugins[/\\]ide[/\\]api[/\\][^/\\]+"/>

    <!-- These packages are duplicated in platform-native from language-native, don't require a package-info.java in each place -->