update csi-lib-utils to v0.4.0
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committed by
Andrew Sy Kim
parent
84cca93864
commit
c20ded872e
143
vendor/golang.org/x/tools/go/packages/packages.go
generated
vendored
143
vendor/golang.org/x/tools/go/packages/packages.go
generated
vendored
@@ -30,32 +30,78 @@ import (
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// but may be slower. Load may return more information than requested.
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type LoadMode int
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const (
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// The following constants are used to specify which fields of the Package
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// should be filled when loading is done. As a special case to provide
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// backwards compatibility, a LoadMode of 0 is equivalent to LoadFiles.
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// For all other LoadModes, the bits below specify which fields will be filled
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// in the result packages.
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// WARNING: This part of the go/packages API is EXPERIMENTAL. It might
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// be changed or removed up until April 15 2019. After that date it will
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// be frozen.
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// TODO(matloob): Remove this comment on April 15.
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// ID and Errors (if present) will always be filled.
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// NeedName adds Name and PkgPath.
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NeedName LoadMode = 1 << iota
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// NeedFiles adds GoFiles and OtherFiles.
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NeedFiles
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// NeedCompiledGoFiles adds CompiledGoFiles.
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NeedCompiledGoFiles
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// NeedImports adds Imports. If NeedDeps is not set, the Imports field will contain
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// "placeholder" Packages with only the ID set.
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NeedImports
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// NeedDeps adds the fields requested by the LoadMode in the packages in Imports. If NeedImports
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// is not set NeedDeps has no effect.
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NeedDeps
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// NeedExportsFile adds ExportsFile.
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NeedExportsFile
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// NeedTypes adds Types, Fset, and IllTyped.
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NeedTypes
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// NeedSyntax adds Syntax.
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NeedSyntax
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// NeedTypesInfo adds TypesInfo.
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NeedTypesInfo
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// NeedTypesSizes adds TypesSizes.
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NeedTypesSizes
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)
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const (
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// LoadFiles finds the packages and computes their source file lists.
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// Package fields: ID, Name, Errors, GoFiles, and OtherFiles.
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LoadFiles LoadMode = iota
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// Package fields: ID, Name, Errors, GoFiles, CompiledGoFiles, and OtherFiles.
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LoadFiles = NeedName | NeedFiles | NeedCompiledGoFiles
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// LoadImports adds import information for each package
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// and its dependencies.
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// Package fields added: Imports.
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LoadImports
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LoadImports = LoadFiles | NeedImports | NeedDeps
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// LoadTypes adds type information for package-level
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// declarations in the packages matching the patterns.
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// Package fields added: Types, Fset, and IllTyped.
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// This mode uses type information provided by the build system when
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// possible, and may fill in the ExportFile field.
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LoadTypes
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LoadTypes = LoadImports | NeedTypes
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// LoadSyntax adds typed syntax trees for the packages matching the patterns.
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// Package fields added: Syntax, and TypesInfo, for direct pattern matches only.
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LoadSyntax
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LoadSyntax = LoadTypes | NeedSyntax | NeedTypesInfo | NeedTypesSizes
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// LoadAllSyntax adds typed syntax trees for the packages matching the patterns
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// and all dependencies.
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// Package fields added: Types, Fset, IllTyped, Syntax, and TypesInfo,
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// for all packages in the import graph.
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LoadAllSyntax
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LoadAllSyntax = LoadSyntax
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)
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// A Config specifies details about how packages should be loaded.
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@@ -381,6 +427,9 @@ func newLoader(cfg *Config) *loader {
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if cfg != nil {
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ld.Config = *cfg
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}
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if ld.Config.Mode == 0 {
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ld.Config.Mode = LoadFiles // Preserve zero behavior of Mode for backwards compatibility.
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}
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if ld.Config.Env == nil {
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ld.Config.Env = os.Environ()
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}
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@@ -393,7 +442,7 @@ func newLoader(cfg *Config) *loader {
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}
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}
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if ld.Mode >= LoadTypes {
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if ld.Mode&NeedTypes != 0 {
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if ld.Fset == nil {
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ld.Fset = token.NewFileSet()
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}
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@@ -430,11 +479,9 @@ func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) {
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rootIndex = i
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}
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lpkg := &loaderPackage{
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Package: pkg,
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needtypes: ld.Mode >= LoadAllSyntax ||
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ld.Mode >= LoadTypes && rootIndex >= 0,
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needsrc: ld.Mode >= LoadAllSyntax ||
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ld.Mode >= LoadSyntax && rootIndex >= 0 ||
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Package: pkg,
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needtypes: (ld.Mode&(NeedTypes|NeedTypesInfo) != 0 && rootIndex < 0) || rootIndex >= 0,
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needsrc: (ld.Mode&(NeedSyntax|NeedTypesInfo) != 0 && rootIndex < 0) || rootIndex >= 0 ||
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len(ld.Overlay) > 0 || // Overlays can invalidate export data. TODO(matloob): make this check fine-grained based on dependencies on overlaid files
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pkg.ExportFile == "" && pkg.PkgPath != "unsafe",
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}
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@@ -507,14 +554,17 @@ func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) {
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if lpkg.needsrc {
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srcPkgs = append(srcPkgs, lpkg)
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}
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if ld.Mode&NeedTypesSizes != 0 {
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lpkg.TypesSizes = ld.sizes
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}
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stack = stack[:len(stack)-1] // pop
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lpkg.color = black
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return lpkg.needsrc
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}
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if ld.Mode < LoadImports {
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//we do this to drop the stub import packages that we are not even going to try to resolve
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if ld.Mode&NeedImports == 0 {
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// We do this to drop the stub import packages that we are not even going to try to resolve.
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for _, lpkg := range initial {
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lpkg.Imports = nil
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}
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@@ -524,17 +574,19 @@ func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) {
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visit(lpkg)
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}
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}
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for _, lpkg := range srcPkgs {
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// Complete type information is required for the
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// immediate dependencies of each source package.
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for _, ipkg := range lpkg.Imports {
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imp := ld.pkgs[ipkg.ID]
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imp.needtypes = true
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if ld.Mode&NeedDeps != 0 {
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for _, lpkg := range srcPkgs {
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// Complete type information is required for the
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// immediate dependencies of each source package.
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for _, ipkg := range lpkg.Imports {
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imp := ld.pkgs[ipkg.ID]
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imp.needtypes = true
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}
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}
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}
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// Load type data if needed, starting at
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// the initial packages (roots of the import DAG).
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if ld.Mode >= LoadTypes {
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if ld.Mode&NeedTypes != 0 {
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var wg sync.WaitGroup
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for _, lpkg := range initial {
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wg.Add(1)
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@@ -547,8 +599,51 @@ func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) {
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}
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result := make([]*Package, len(initial))
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importPlaceholders := make(map[string]*Package)
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for i, lpkg := range initial {
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result[i] = lpkg.Package
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// Clear all unrequested fields, for extra de-Hyrum-ization.
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if ld.Mode&NeedName == 0 {
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result[i].Name = ""
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result[i].PkgPath = ""
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}
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if ld.Mode&NeedFiles == 0 {
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result[i].GoFiles = nil
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result[i].OtherFiles = nil
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}
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if ld.Mode&NeedCompiledGoFiles == 0 {
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result[i].CompiledGoFiles = nil
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}
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if ld.Mode&NeedImports == 0 {
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result[i].Imports = nil
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}
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if ld.Mode&NeedExportsFile == 0 {
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result[i].ExportFile = ""
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}
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if ld.Mode&NeedTypes == 0 {
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result[i].Types = nil
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result[i].Fset = nil
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result[i].IllTyped = false
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}
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if ld.Mode&NeedSyntax == 0 {
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result[i].Syntax = nil
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}
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if ld.Mode&NeedTypesInfo == 0 {
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result[i].TypesInfo = nil
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}
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if ld.Mode&NeedTypesSizes == 0 {
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result[i].TypesSizes = nil
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}
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if ld.Mode&NeedDeps == 0 {
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for j, pkg := range result[i].Imports {
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ph, ok := importPlaceholders[pkg.ID]
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if !ok {
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ph = &Package{ID: pkg.ID}
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importPlaceholders[pkg.ID] = ph
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}
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result[i].Imports[j] = ph
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}
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}
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}
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return result, nil
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}
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@@ -556,7 +651,7 @@ func (ld *loader) refine(roots []string, list ...*Package) ([]*Package, error) {
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// loadRecursive loads the specified package and its dependencies,
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// recursively, in parallel, in topological order.
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// It is atomic and idempotent.
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// Precondition: ld.Mode >= LoadTypes.
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// Precondition: ld.Mode&NeedTypes.
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func (ld *loader) loadRecursive(lpkg *loaderPackage) {
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lpkg.loadOnce.Do(func() {
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// Load the direct dependencies, in parallel.
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@@ -708,7 +803,7 @@ func (ld *loader) loadPackage(lpkg *loaderPackage) {
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// Type-check bodies of functions only in non-initial packages.
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// Example: for import graph A->B->C and initial packages {A,C},
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// we can ignore function bodies in B.
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IgnoreFuncBodies: ld.Mode < LoadAllSyntax && !lpkg.initial,
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IgnoreFuncBodies: (ld.Mode&(NeedDeps|NeedTypesInfo) == 0) && !lpkg.initial,
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Error: appendError,
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Sizes: ld.sizes,
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@@ -952,5 +1047,5 @@ func (ld *loader) loadFromExportData(lpkg *loaderPackage) (*types.Package, error
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}
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func usesExportData(cfg *Config) bool {
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return LoadTypes <= cfg.Mode && cfg.Mode < LoadAllSyntax
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return cfg.Mode&NeedExportsFile != 0 || cfg.Mode&NeedTypes != 0 && cfg.Mode&NeedTypesInfo == 0
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}
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