bd56621cdf
This commit adds structprotogen tool which is used to generate proto file from Go structs. Closes #6078. Signed-off-by: Dmitriy Matrenichev <dmitry.matrenichev@siderolabs.com>
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// Package loader is used to load all packages from the given path.
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package loader
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import (
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"errors"
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"fmt"
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"strings"
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"golang.org/x/tools/go/packages"
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)
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// LoadPackages loads all packages from the given path.
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func LoadPackages(pkgPath string) ([]*packages.Package, error) {
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cfg := &packages.Config{Mode: packages.NeedName | packages.NeedFiles |
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packages.NeedCompiledGoFiles | packages.NeedImports |
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packages.NeedDeps | packages.NeedTypes | packages.NeedTypesSizes |
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packages.NeedSyntax | packages.NeedTypesInfo | packages.NeedDeps}
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pkgs, err := packages.Load(cfg, pkgPath)
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if err != nil {
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return nil, fmt.Errorf("failed to load pkgs from '%s': %w", pkgPath, err)
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}
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if len(pkgs) == 0 {
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return nil, fmt.Errorf("no packages found")
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}
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err = collectErrors(pkgs)
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if err != nil {
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return nil, fmt.Errorf("error during processing '%s' packages: %w", pkgPath, err)
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}
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return pkgs, nil
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}
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func collectErrors(pkgs []*packages.Package) error {
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var (
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builder strings.Builder
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n int
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)
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packages.Visit(pkgs, nil, func(pkg *packages.Package) {
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for _, err := range pkg.Errors {
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fmt.Fprintf(&builder, "Error '%d': %s\n", n, err)
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n++
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}
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})
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if n > 0 {
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return errors.New(builder.String())
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}
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return nil
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}
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