// platforms that support it.
//
// Note: must agree with runtime.framepointer_enabled.
var FramePointerEnabled = GOARCH == "amd64" || GOARCH == "arm64"

// ParseGOEXPERIMENT parses a (GOOS, GOARCH, GOEXPERIMENT)
// configuration tuple and returns the enabled and baseline experiment
// flag sets.
//
// TODO(mdempsky): Move to internal/goexperiment.

	"bytes"
	"errors"
	"io"
	"os"
	"strconv"
	"strings"
)

// lineFunc returns a value, an error, or (nil, nil) to skip the row.
type lineFunc func(line []byte) (v any, err error)

// readColonFile parses r as an /etc/group or /etc/passwd style file, running
// fn for each row. readColonFile returns a value, an error, or (nil, nil) if
// the end of the file is reached without a match.
//

		gvkmap[*gvk] = b
	}
	if err := errorsutil.NewAggregate(errs); err != nil {
		return nil, err
	}
	return gvkmap, nil
}

// GroupVersionKindsFromBytes parses the bytes and returns a gvk slice
func GroupVersionKindsFromBytes(b []byte) ([]schema.GroupVersionKind, error) {
	gvkmap, err := SplitYAMLDocuments(b)
	if err != nil {
		return nil, err
	}

	out := make(RevVerMap)
	for k := range m {
		version := m.String(k)
		v, err := NewIstioVersion(version)
		if err != nil {
			return fmt.Errorf("could not parse %s as version: %w",
				version, err)
		}
		out[k] = v
	}
	*rv = out
	return nil
}

// Set parses IstioVersions from a string flag in the form "a=1.5.6,b,c=1.4".
// If no version is specified for a revision assume latest, represented as ""

		}

		if err != nil {
			fmt.Fprintln(os.Stderr, err)
			exitWithUsage()
		}

		if isVetFlag[f.Name] {
			// Forward the raw arguments rather than cleaned equivalents, just in
			// case the vet tool parses them idiosyncratically.
			explicitFlags = append(explicitFlags, args[:len(args)-len(remainingArgs)]...)

			// This flag has been overridden explicitly, so don't forward its implicit
			// value from GOFLAGS.

			pre = fmt.Sprintf("%s - ", v.PreRelease)
		}
		known = append(known, fmt.Sprintf("%s=true|false (%sdefault=%t)", k, pre, v.Default))
	}
	sort.Strings(known)
	return known
}

// NewFeatureGate parses a string of the form "key1=value1,key2=value2,..." into a
// map[string]bool of known keys or returns an error.
func NewFeatureGate(f *FeatureList, value string) (map[string]bool, error) {
	featureGate := map[string]bool{}

	// we are sure we don't change the errors that go/parser returns.
	if r.err == errSyntax {
		r.err = nil
		for r.err == nil && !r.eof {
			r.readByte()
		}
		info.header = r.buf
	}
	if r.err != nil {
		return r.err
	}

	if info.fset == nil {
		return nil
	}

	// Parse file header & record imports.

// in a public API. See also #11844 for context.

package main

import (
	"bytes"
	"go/ast"
	"go/parser"
	"go/printer"
	"go/token"
	"strings"
)

// parse parses src, which was read from the named file,
// as a Go source file, declaration, or statement list.
func parse(fset *token.FileSet, filename string, src []byte, fragmentOk bool) (
	file *ast.File,
	sourceAdj func(src []byte, indent int) []byte,

		if _, err := asn1.Unmarshal(der, &ecPrivateKey{}); err == nil {
			return nil, errors.New("x509: failed to parse private key (use ParseECPrivateKey instead for this key format)")
		}
		if _, err := asn1.Unmarshal(der, &pkcs1PrivateKey{}); err == nil {
			return nil, errors.New("x509: failed to parse private key (use ParsePKCS1PrivateKey instead for this key format)")
		}
		return nil, err
	}
	switch {

// in a public API. See also #11844 for context.

package format

import (
	"bytes"
	"go/ast"
	"go/parser"
	"go/printer"
	"go/token"
	"strings"
)

// parse parses src, which was read from the named file,
// as a Go source file, declaration, or statement list.
func parse(fset *token.FileSet, filename string, src []byte, fragmentOk bool) (
	file *ast.File,
	sourceAdj func(src []byte, indent int) []byte,