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authorsago35 <[email protected]>2023-11-01 08:20:37 +0900
committerRon Evans <[email protected]>2023-11-02 15:37:43 +0100
commita531ed614a58346f9790add14717a768ac95af9c (patch)
treefd1befc0a304199230f422c55a439b5101f66c94 /compileopts
parent24ae6fdf293502f032ed8cec857515b356b32b4a (diff)
downloadtinygo-a531ed614a58346f9790add14717a768ac95af9c.tar.gz
tinygo-a531ed614a58346f9790add14717a768ac95af9c.zip
main, compileopts: move GetTargetSpecs() to compileopts package
Diffstat (limited to 'compileopts')
-rw-r--r--compileopts/target.go37
1 files changed, 37 insertions, 0 deletions
diff --git a/compileopts/target.go b/compileopts/target.go
index 92561f1e0..b21a0183a 100644
--- a/compileopts/target.go
+++ b/compileopts/target.go
@@ -246,6 +246,43 @@ func LoadTarget(options *Options) (*TargetSpec, error) {
return spec, nil
}
+// GetTargetSpecs retrieves target specifications from the TINYGOROOT targets
+// directory. Only valid target JSON files are considered, and the function
+// returns a map of target names to their respective TargetSpec.
+func GetTargetSpecs() (map[string]*TargetSpec, error) {
+ dir := filepath.Join(goenv.Get("TINYGOROOT"), "targets")
+ entries, err := os.ReadDir(dir)
+ if err != nil {
+ return nil, fmt.Errorf("could not list targets: %w", err)
+ }
+
+ maps := map[string]*TargetSpec{}
+ for _, entry := range entries {
+ entryInfo, err := entry.Info()
+ if err != nil {
+ return nil, fmt.Errorf("could not get entry info: %w", err)
+ }
+ if !entryInfo.Mode().IsRegular() || !strings.HasSuffix(entry.Name(), ".json") {
+ // Only inspect JSON files.
+ continue
+ }
+ path := filepath.Join(dir, entry.Name())
+ spec, err := LoadTarget(&Options{Target: path})
+ if err != nil {
+ return nil, fmt.Errorf("could not list target: %w", err)
+ }
+ if spec.FlashMethod == "" && spec.FlashCommand == "" && spec.Emulator == "" {
+ // This doesn't look like a regular target file, but rather like
+ // a parent target (such as targets/cortex-m.json).
+ continue
+ }
+ name := entry.Name()
+ name = name[:len(name)-5]
+ maps[name] = spec
+ }
+ return maps, nil
+}
+
func defaultTarget(goos, goarch, triple string) (*TargetSpec, error) {
// No target spec available. Use the default one, useful on most systems
// with a regular OS.