}

    private
    fun programFor(source: ProgramSource, kind: ProgramKind, target: ProgramTarget): Packaged<Program> {

        val topLevelBlockIds = TopLevelBlockId.topLevelBlockIdFor(target)

        return lex(source.text, *topLevelBlockIds).map { (comments, annotations, topLevelBlocks) ->

            checkForSingleBlocksOf(topLevelBlockIds, topLevelBlocks)

            checkForTopLevelBlockOrder(topLevelBlocks)

// license that can be found in the LICENSE file.

package asm

import (
	"internal/buildcfg"
	"strings"
	"testing"

	"cmd/asm/internal/arch"
	"cmd/asm/internal/lex"
	"cmd/internal/obj"
)

// A simple in-out test: Do we print what we parse?

func setArch(goarch string) (*arch.Arch, *obj.Link) {
	buildcfg.GOOS = "linux" // obj can handle this OS for all architectures.

    val annotations: List<IntRange>,
    val topLevelBlocks: List<TopLevelBlock>
)


/**
 * Returns the comments and [top-level blocks][topLevelBlockIds] found in the given [script].
 */
internal
fun lex(script: String, vararg topLevelBlockIds: TopLevelBlockId): Packaged<LexedScript> {

    var packageName: String? = null
    val comments = mutableListOf<IntRange>()
    val annotations = mutableListOf<IntRange>()

// Copyright 2015 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 lex

import (
	"strings"
	"testing"
	"text/scanner"
)

type lexTest struct {
	name   string
	input  string
	output string
}

var lexTests = []lexTest{
	{
		"empty",
		"",
		"",
	},
	{
		"simple",
		"1 (a)",
		"1.(.a.)",
	},

	copies     map[string]string // copies stores a map of destination path -> source path
	user       string
	workdir    string
	base       string
	entrypoint []string
	cmd        []string

	shlex *shell.Lex
}

func cut(s, sep string) (before, after string) {
	if i := strings.Index(s, sep); i >= 0 {
		return s[:i], s[i+len(sep):]
	}
	return s, ""
}

// Parse parses the provided Dockerfile with the given args

		{"", EndOfStringToken},
		{",", CommaToken},
		{"notin", NotInToken},
		{"in", InToken},
		{"=", EqualsToken},
		{"==", DoubleEqualsToken},
		{">", GreaterThanToken},
		{"<", LessThanToken},
		//Note that Lex returns the longest valid token found
		{"!", DoesNotExistToken},
		{"!=", NotEqualsToken},
		{"(", OpenParToken},
		{")", ClosedParToken},
		//Non-"special" characters are considered part of an identifier

func (l *Lexer) skipWhiteSpaces(ch byte) byte {
	for {
		if !isWhitespace(ch) {
			return ch
		}
		ch = l.read()
	}
}

// Lex returns a pair of Token and the literal
// literal is meaningfull only for IdentifierToken token
func (l *Lexer) Lex() (tok Token, lit string) {
	switch ch := l.skipWhiteSpaces(l.read()); {
	case ch == 0:
		return EndOfStringToken, ""
	case isSpecialSymbol(ch):
		l.unread()

// Copyright 2015 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 lex

import (
	"fmt"
	"os"
	"path/filepath"
	"strconv"
	"strings"
	"text/scanner"

	"cmd/asm/internal/flags"
	"cmd/internal/objabi"
	"cmd/internal/src"
)

// Input is the main input: a stack of readers and some macro definitions.

func (p *noder) error(err error) {
	p.err <- err.(syntax.Error)
}

// pragmas that are allowed in the std lib, but don't have
// a syntax.Pragma value (see lex.go) associated with them.
var allowedStdPragmas = map[string]bool{
	"go:cgo_export_static":  true,
	"go:cgo_export_dynamic": true,
	"go:cgo_import_static":  true,
	"go:cgo_import_dynamic": true,

//
// Special cases that have turned out to be useful:
//   - ssa/check/on enables checking after each phase
//   - ssa/all/time enables time reporting for all phases
//
// See gc/lex.go for dissection of the option string.
// Example uses:
//
// GO_GCFLAGS=-d=ssa/generic_cse/time,ssa/generic_cse/stats,ssa/generic_cse/debug=3 ./make.bash
//