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add options --options-from-file and cmd/debug-compile
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@@ -29,4 +29,6 @@ | |
| /covers | ||
| cover*.out | ||
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| /tmp | ||
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| debug-compile.json | ||
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| Original file line number | Diff line number | Diff line change |
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| package main | ||
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| import ( | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "os" | ||
| "strings" | ||
| "time" | ||
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| "github.com/xhd2015/xgo/cmd/xgo/exec_tool" | ||
| "github.com/xhd2015/xgo/support/cmd" | ||
| "github.com/xhd2015/xgo/support/debug" | ||
| "github.com/xhd2015/xgo/support/netutil" | ||
| ) | ||
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| // usage: | ||
| // go run -tags dev ./cmd/xgo --debug-compile ./src --> will generate a file called debug-compile.json | ||
| // go run -tags dev ./cmd/xgo build --build-compile --> will build the compiler with -gcflags and print it's path | ||
| // go run ./cmd/debug-compile --debug-with-dlv --> will read debug-compile.json, and start a debug server listen on localhost:2345 | ||
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| func main() { | ||
| args := os.Args[1:] | ||
| err := run(args) | ||
| if err != nil { | ||
| fmt.Fprintf(os.Stderr, "%v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| } | ||
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| func run(args []string) error { | ||
| var compilerBinary string | ||
| n := len(args) | ||
| var projectDir string | ||
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| data, readErr := ioutil.ReadFile("debug-compile.json") | ||
| if readErr != nil { | ||
| if !errors.Is(readErr, os.ErrNotExist) { | ||
| return readErr | ||
| } | ||
| } | ||
| var debugCompiler *exec_tool.DebugCompile | ||
| if len(data) > 0 { | ||
| err := json.Unmarshal(data, &debugCompiler) | ||
| if err != nil { | ||
| return fmt.Errorf("parse debug-compile.json: %w", err) | ||
| } | ||
| } | ||
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| var extraFlags []string | ||
| var extraEnvs []string | ||
| var debugWithDlv bool | ||
| for i := 0; i < n; i++ { | ||
| arg := args[i] | ||
| if arg == "--project-dir" { | ||
| projectDir = args[i+1] | ||
| i++ | ||
| continue | ||
| } | ||
| if arg == "--env" { | ||
| extraEnvs = append(extraEnvs, args[i+1]) | ||
| i++ | ||
| continue | ||
| } | ||
| if arg == "--compiler" { | ||
| compilerBinary = args[i+1] | ||
| i++ | ||
| continue | ||
| } | ||
| if arg == "-cpuprofile" { | ||
| extraFlags = append(extraFlags, arg, args[i+1]) | ||
| i++ | ||
| continue | ||
| } | ||
| if arg == "-blockprofile" { | ||
| extraFlags = append(extraFlags, arg, args[i+1]) | ||
| i++ | ||
| continue | ||
| } | ||
| if arg == "-memprofile" || arg == "-memprofilerate" { | ||
| extraFlags = append(extraFlags, arg, args[i+1]) | ||
| i++ | ||
| continue | ||
| } | ||
| if arg == "-N" || arg == "-l" { | ||
| extraFlags = append(extraFlags, arg) | ||
| continue | ||
| } | ||
| if arg == "-c" { | ||
| extraFlags = append(extraFlags, arg, args[i+1]) | ||
| continue | ||
| } | ||
| if arg == "--debug-with-dlv" { | ||
| debugWithDlv = true | ||
| continue | ||
| } | ||
| } | ||
| if compilerBinary == "" { | ||
| compilerBinary = debugCompiler.Compiler | ||
| } | ||
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| runArgs := append(debugCompiler.Flags, extraFlags...) | ||
| runArgs = append(runArgs, debugCompiler.Files...) | ||
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| runEnvs := append(debugCompiler.Env, extraEnvs...) | ||
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| if debugWithDlv { | ||
| return dlvExecListen(projectDir, runEnvs, compilerBinary, runArgs) | ||
| } | ||
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| start := time.Now() | ||
| defer func() { | ||
| fmt.Printf("cost: %v\n", time.Since(start)) | ||
| }() | ||
| return cmd.Dir(projectDir).Env(runEnvs).Run(compilerBinary, runArgs...) | ||
| } | ||
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| // /Users/xhd2015/.xgo/go-instrument-dev/go1.21.7_Us_xh_in_go_096be049/compile | ||
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| func dlvExecListen(dir string, env []string, compilerBinary string, args []string) error { | ||
| var vscodeExtra []string | ||
| n := len(env) | ||
| for i := n - 1; i >= 0; i-- { | ||
| e := env[i] | ||
| if !strings.HasPrefix(e, "GOROOT=") { | ||
| continue | ||
| } | ||
| goroot := strings.TrimPrefix(e, "GOROOT=") | ||
| if goroot != "" { | ||
| vscodeExtra = append(vscodeExtra, | ||
| fmt.Sprintf(" NOTE: VSCode will map source files to workspace's goroot,"), | ||
| fmt.Sprintf(" To fix this, update .vscode/settings.json, set go.goroot to:"), | ||
| fmt.Sprintf(" %s", goroot), | ||
| fmt.Sprintf(" And set a breakpoint at:"), | ||
| fmt.Sprintf(" %s/src/cmd/compile/main.go", goroot), | ||
| ) | ||
| } | ||
| break | ||
| } | ||
| return netutil.ServePort(2345, true, 500*time.Millisecond, func(port int) { | ||
| prompt := debug.FormatDlvPromptOptions(port, &debug.FormatDlvOptions{ | ||
| VscodeExtra: vscodeExtra, | ||
| }) | ||
| fmt.Println(prompt) | ||
| }, func(port int) error { | ||
| // dlv exec --api-version=2 --listen=localhost:2345 --accept-multiclient --headless ./debug.bin | ||
| dlvArgs := []string{ | ||
| "--api-version=2", | ||
| fmt.Sprintf("--listen=localhost:%d", port), | ||
| "--check-go-version=false", | ||
| "--log=true", | ||
| // "--accept-multiclient", // exits when client exits | ||
| "--headless", "exec", | ||
| compilerBinary, | ||
| "--", | ||
| } | ||
| // dlvArgs = append(dlvArgs, compilerBin) | ||
| dlvArgs = append(dlvArgs, args...) | ||
| err := cmd.Dir(dir).Env(env).Run("dlv", dlvArgs...) | ||
| if err != nil { | ||
| return fmt.Errorf("dlv: %w", err) | ||
| } | ||
| return nil | ||
| }) | ||
| } |
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