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cosmetics: readability

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Note go.mod file changes go version to 1.18 (for generics)
You might need to refresh/reload your IDE (e.g. IntelliJ)

Bug: N/A
Test: manually verified (e.g. ran `m nothing` successfully)
Change-Id: I2a6dadd673fd170961d1fd1e1756f7581e9a1091
This commit is contained in:
Usta Shrestha
2022-05-27 17:40:21 -04:00
parent ced67ded0b
commit 6298cc5e67
2 changed files with 48 additions and 44 deletions
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90
bazel/aquery.go
View File

@@ -27,17 +27,21 @@ import (
"github.com/google/blueprint/proptools"
)
type artifactId int
type depsetId int
type pathFragmentId int
// artifact contains relevant portions of Bazel's aquery proto, Artifact.
// Represents a single artifact, whether it's a source file or a derived output file.
type artifact struct {
Id int
PathFragmentId int
Id artifactId
PathFragmentId pathFragmentId
}
type pathFragment struct {
Id int
Id pathFragmentId
Label string
ParentId int
ParentId pathFragmentId
}
// KeyValuePair represents Bazel's aquery proto, KeyValuePair.
@@ -63,9 +67,9 @@ type AqueryDepset struct {
// Represents a data structure containing one or more files. Depsets in Bazel are an efficient
// data structure for storing large numbers of file paths.
type depSetOfFiles struct {
Id int
DirectArtifactIds []int
TransitiveDepSetIds []int
Id depsetId
DirectArtifactIds []artifactId
TransitiveDepSetIds []depsetId
}
// action contains relevant portions of Bazel's aquery proto, Action.
@@ -73,9 +77,9 @@ type depSetOfFiles struct {
type action struct {
Arguments []string
EnvironmentVariables []KeyValuePair
InputDepSetIds []int
InputDepSetIds []depsetId
Mnemonic string
OutputIds []int
OutputIds []artifactId
TemplateContent string
Substitutions []KeyValuePair
}
@@ -113,20 +117,20 @@ type aqueryArtifactHandler struct {
// Maps depset id to AqueryDepset, a representation of depset which is
// post-processed for middleman artifact handling, unhandled artifact
// dropping, content hashing, etc.
depsetIdToAqueryDepset map[int]AqueryDepset
depsetIdToAqueryDepset map[depsetId]AqueryDepset
// Maps content hash to AqueryDepset.
depsetHashToAqueryDepset map[string]AqueryDepset
// depsetIdToArtifactIdsCache is a memoization of depset flattening, because flattening
// may be an expensive operation.
depsetHashToArtifactPathsCache map[string][]string
// Maps artifact ContentHash to fully expanded path.
artifactIdToPath map[int]string
// Maps artifact ids to fully expanded paths.
artifactIdToPath map[artifactId]string
}
// The tokens should be substituted with the value specified here, instead of the
// one returned in 'substitutions' of TemplateExpand action.
var TemplateActionOverriddenTokens = map[string]string{
var templateActionOverriddenTokens = map[string]string{
// Uses "python3" for %python_binary% instead of the value returned by aquery
// which is "py3wrapper.sh". See removePy3wrapperScript.
"%python_binary%": "python3",
@@ -138,13 +142,20 @@ var manifestFilePattern = regexp.MustCompile(".*/.+\\.runfiles/MANIFEST$")
// The file name of py3wrapper.sh, which is used by py_binary targets.
const py3wrapperFileName = "/py3wrapper.sh"
func newAqueryHandler(aqueryResult actionGraphContainer) (*aqueryArtifactHandler, error) {
pathFragments := map[int]pathFragment{}
for _, pathFragment := range aqueryResult.PathFragments {
pathFragments[pathFragment.Id] = pathFragment
func indexBy[K comparable, V any](values []V, keyFn func(v V) K) map[K]V {
m := map[K]V{}
for _, v := range values {
m[keyFn(v)] = v
}
return m
}
artifactIdToPath := map[int]string{}
func newAqueryHandler(aqueryResult actionGraphContainer) (*aqueryArtifactHandler, error) {
pathFragments := indexBy(aqueryResult.PathFragments, func(pf pathFragment) pathFragmentId {
return pf.Id
})
artifactIdToPath := map[artifactId]string{}
for _, artifact := range aqueryResult.Artifacts {
artifactPath, err := expandPathFragment(artifact.PathFragmentId, pathFragments)
if err != nil {
@@ -158,7 +169,7 @@ func newAqueryHandler(aqueryResult actionGraphContainer) (*aqueryArtifactHandler
// if we find a middleman action which has outputs [foo, bar], and output [baz_middleman], then,
// for each other action which has input [baz_middleman], we add [foo, bar] to the inputs for
// that action instead.
middlemanIdToDepsetIds := map[int][]int{}
middlemanIdToDepsetIds := map[artifactId][]depsetId{}
for _, actionEntry := range aqueryResult.Actions {
if actionEntry.Mnemonic == "Middleman" {
for _, outputId := range actionEntry.OutputIds {
@@ -167,19 +178,12 @@ func newAqueryHandler(aqueryResult actionGraphContainer) (*aqueryArtifactHandler
}
}
// Store all depset IDs to validate all depset links are resolvable.
depsetIds := map[int]bool{}
for _, depset := range aqueryResult.DepSetOfFiles {
depsetIds[depset.Id] = true
}
depsetIdToDepset := map[int]depSetOfFiles{}
for _, depset := range aqueryResult.DepSetOfFiles {
depsetIdToDepset[depset.Id] = depset
}
depsetIdToDepset := indexBy(aqueryResult.DepSetOfFiles, func(d depSetOfFiles) depsetId {
return d.Id
})
aqueryHandler := aqueryArtifactHandler{
depsetIdToAqueryDepset: map[int]AqueryDepset{},
depsetIdToAqueryDepset: map[depsetId]AqueryDepset{},
depsetHashToAqueryDepset: map[string]AqueryDepset{},
depsetHashToArtifactPathsCache: map[string][]string{},
artifactIdToPath: artifactIdToPath,
@@ -198,12 +202,12 @@ func newAqueryHandler(aqueryResult actionGraphContainer) (*aqueryArtifactHandler
// Ensures that the handler's depsetIdToAqueryDepset map contains an entry for the given
// depset.
func (a *aqueryArtifactHandler) populateDepsetMaps(depset depSetOfFiles, middlemanIdToDepsetIds map[int][]int, depsetIdToDepset map[int]depSetOfFiles) (AqueryDepset, error) {
func (a *aqueryArtifactHandler) populateDepsetMaps(depset depSetOfFiles, middlemanIdToDepsetIds map[artifactId][]depsetId, depsetIdToDepset map[depsetId]depSetOfFiles) (AqueryDepset, error) {
if aqueryDepset, containsDepset := a.depsetIdToAqueryDepset[depset.Id]; containsDepset {
return aqueryDepset, nil
}
transitiveDepsetIds := depset.TransitiveDepSetIds
directArtifactPaths := []string{}
var directArtifactPaths []string
for _, artifactId := range depset.DirectArtifactIds {
path, pathExists := a.artifactIdToPath[artifactId]
if !pathExists {
@@ -232,7 +236,7 @@ func (a *aqueryArtifactHandler) populateDepsetMaps(depset depSetOfFiles, middlem
}
}
childDepsetHashes := []string{}
var childDepsetHashes []string
for _, childDepsetId := range transitiveDepsetIds {
childDepset, exists := depsetIdToDepset[childDepsetId]
if !exists {
@@ -258,8 +262,8 @@ func (a *aqueryArtifactHandler) populateDepsetMaps(depset depSetOfFiles, middlem
// input paths contained in these depsets.
// This is a potentially expensive operation, and should not be invoked except
// for actions which need specialized input handling.
func (a *aqueryArtifactHandler) getInputPaths(depsetIds []int) ([]string, error) {
inputPaths := []string{}
func (a *aqueryArtifactHandler) getInputPaths(depsetIds []depsetId) ([]string, error) {
var inputPaths []string
for _, inputDepSetId := range depsetIds {
depset := a.depsetIdToAqueryDepset[inputDepSetId]
@@ -296,7 +300,7 @@ func (a *aqueryArtifactHandler) artifactPathsFromDepsetHash(depsetHash string) (
}
// AqueryBuildStatements returns a slice of BuildStatements and a slice of AqueryDepset
// which should be registered (and output to a ninja file) to correspond with Bazel's
// which should be registered (and output to a ninja file) to correspond with Bazel's
// action graph, as described by the given action graph json proto.
// BuildStatements are one-to-one with actions in the given action graph, and AqueryDepsets
// are one-to-one with Bazel's depSetOfFiles objects.
@@ -338,7 +342,7 @@ func AqueryBuildStatements(aqueryJsonProto []byte) ([]BuildStatement, []AqueryDe
}
depsetsByHash := map[string]AqueryDepset{}
depsets := []AqueryDepset{}
var depsets []AqueryDepset
for _, aqueryDepset := range aqueryHandler.depsetIdToAqueryDepset {
if prevEntry, hasKey := depsetsByHash[aqueryDepset.ContentHash]; hasKey {
// Two depsets collide on hash. Ensure that their contents are identical.
@@ -391,8 +395,8 @@ func depsetContentHash(directPaths []string, transitiveDepsetHashes []string) st
return fullHash
}
func (a *aqueryArtifactHandler) depsetContentHashes(inputDepsetIds []int) ([]string, error) {
hashes := []string{}
func (a *aqueryArtifactHandler) depsetContentHashes(inputDepsetIds []depsetId) ([]string, error) {
var hashes []string
for _, depsetId := range inputDepsetIds {
if aqueryDepset, exists := a.depsetIdToAqueryDepset[depsetId]; !exists {
return nil, fmt.Errorf("undefined input depsetId %d", depsetId)
@@ -452,7 +456,7 @@ func (a *aqueryArtifactHandler) pythonZipperActionBuildStatement(actionEntry act
// See go/python-binary-host-mixed-build for more details.
pythonZipFilePath := outputPaths[0]
pyBinaryFound := false
for i, _ := range prevBuildStatements {
for i := range prevBuildStatements {
if len(prevBuildStatements[i].OutputPaths) == 1 && prevBuildStatements[i].OutputPaths[0]+".zip" == pythonZipFilePath {
prevBuildStatements[i].InputPaths = append(prevBuildStatements[i].InputPaths, pythonZipFilePath)
pyBinaryFound = true
@@ -565,7 +569,7 @@ func expandTemplateContent(actionEntry action) string {
replacerString := []string{}
for _, pair := range actionEntry.Substitutions {
value := pair.Value
if val, ok := TemplateActionOverriddenTokens[pair.Key]; ok {
if val, ok := templateActionOverriddenTokens[pair.Key]; ok {
value = val
}
replacerString = append(replacerString, pair.Key, value)
@@ -662,8 +666,8 @@ func shouldSkipAction(a action) bool {
return false
}
func expandPathFragment(id int, pathFragmentsMap map[int]pathFragment) (string, error) {
labels := []string{}
func expandPathFragment(id pathFragmentId, pathFragmentsMap map[pathFragmentId]pathFragment) (string, error) {
var labels []string
currId := id
// Only positive IDs are valid for path fragments. An ID of zero indicates a terminal node.
for currId > 0 {

2
go.mod
View File

@@ -16,4 +16,4 @@ replace github.com/google/go-cmp v0.5.5 => ../../external/go-cmp
// Indirect dep from go-cmp
exclude golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543
go 1.15
go 1.18