58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
package golinters
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import (
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"context"
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"golang.org/x/tools/go/packages"
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"github.com/golangci/golangci-lint/pkg/lint/linter"
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libpackages "github.com/golangci/golangci-lint/pkg/packages"
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"github.com/golangci/golangci-lint/pkg/result"
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)
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type TypeCheck struct{}
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func (TypeCheck) Name() string {
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return "typecheck"
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}
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func (TypeCheck) Desc() string {
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return "Like the front-end of a Go compiler, parses and type-checks Go code"
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}
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func (lint TypeCheck) parseError(srcErr packages.Error) (*result.Issue, error) {
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pos, err := libpackages.ParseErrorPosition(srcErr.Pos)
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if err != nil {
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return nil, err
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}
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return &result.Issue{
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Pos: *pos,
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Text: srcErr.Msg,
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FromLinter: lint.Name(),
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}, nil
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}
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func (lint TypeCheck) Run(ctx context.Context, lintCtx *linter.Context) ([]result.Issue, error) {
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uniqReportedIssues := map[string]bool{}
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var res []result.Issue
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for _, pkg := range lintCtx.NotCompilingPackages {
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errors := libpackages.ExtractErrors(pkg, lintCtx.ASTCache)
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for _, err := range errors {
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i, perr := lint.parseError(err)
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if perr != nil { // failed to parse
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if uniqReportedIssues[err.Msg] {
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continue
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}
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uniqReportedIssues[err.Msg] = true
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lintCtx.Log.Errorf("typechecking error: %s", err.Msg)
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} else {
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res = append(res, *i)
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}
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}
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}
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return res, nil
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}
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