//
// and the Blocks or Values used in the Func can be accessed
// like this:
//   fun.blocks["entry"] or fun.values["deadval"]

package ssa

// TODO(matloob): Choose better names for Fun, Bloc, Goto, etc.
// TODO(matloob): Write a parser for the Func disassembly. Maybe
// the parser can be used instead of Fun.

import (
	"cmd/compile/internal/types"
	"cmd/internal/obj"
	"cmd/internal/src"
	"fmt"

func (rp *IndexPackage) ScanDir(tags map[string]bool) (sortedImports []string, sortedTestImports []string, err error) {
	// TODO(matloob) dir should eventually be relative to indexed directory
	// TODO(matloob): skip reading raw package and jump straight to data we need?

	defer func() {
		if e := recover(); e != nil {
			err = fmt.Errorf("error reading module index: %v", e)
		}
	}()

}

func (n *node) isDir() bool {
	return n.actualFilePath == "" && n.children != nil
}

func (n *node) isDeleted() bool {
	return n.actualFilePath == "" && n.children == nil
}

// TODO(matloob): encapsulate these in an io/fs-like interface
var overlay map[string]*node // path -> file or directory node
var cwd string               // copy of base.Cwd() to avoid dependency

type JSONSuggestedFix struct {
	Message string         `json:"message"`
	Edits   []JSONTextEdit `json:"edits"`
}

// A JSONDiagnostic describes the JSON schema of an analysis.Diagnostic.
//
// TODO(matloob): include End position if present.
type JSONDiagnostic struct {
	Category       string                   `json:"category,omitempty"`
	Posn           string                   `json:"posn"` // e.g. "file.go:line:column"

	buildVersion := buildcfg.Version
	if goexperiment := buildcfg.Experiment.String(); goexperiment != "" {
		buildVersion += " X:" + goexperiment
	}
	addstrdata1(ctxt, "runtime.buildVersion="+buildVersion)

	// TODO(matloob): define these above and then check flag values here
	if ctxt.Arch.Family == sys.AMD64 && buildcfg.GOOS == "plan9" {
		flag.BoolVar(&flag8, "8", false, "use 64-bit addresses in symbol table")
	}

	// to the path the disk path would be rewritten to.

	cgoFiles := make(map[string]bool)
	for _, f := range a.Package.CgoFiles {
		cgoFiles[f] = true
	}

	// TODO(matloob): Higher up in the stack, when the logic for deciding when to make copies
	// of c/c++/m/f/hfiles is consolidated, use the same logic that Build uses to determine

	if ext == ".syso" {
		// binary, no reading
		return info, nil
	}

	f, err := fsys.Open(info.name)
	if err != nil {
		return nil, err
	}

	// TODO(matloob) should we decide whether to ignore binary only here or earlier
	// when we create the index file?
	var ignoreBinaryOnly bool
	if strings.HasSuffix(name, ".go") {
		err = readGoInfo(f, info)

	// cache is being served by a GOPROXY HTTP server. This will be corrected
	// the next time a new version of the module is fetched and the file is rewritten.
	// TODO(matloob): golang.org/issue/43313 covers adding a go mod verify
	// command that removes module versions that fail checksums. It should also
	// remove list files that are detected to be corrupt.
	f, err := lockedfile.Edit(listFile)