github.com/jshiv/can-go@v0.2.1-0.20210224011015-069e90e90bdf/pkg/dbc/analysis/passes/newsymbols/analyzer.go (about)

     1  package newsymbols
     2  
     3  import (
     4  	"go.einride.tech/can/pkg/dbc"
     5  	"go.einride.tech/can/pkg/dbc/analysis"
     6  )
     7  
     8  func Analyzer() *analysis.Analyzer {
     9  	return &analysis.Analyzer{
    10  		Name: "newsymbols",
    11  		Doc:  "check that the new symbols definition is empty",
    12  		Run:  run,
    13  	}
    14  }
    15  
    16  func run(pass *analysis.Pass) error {
    17  	for _, def := range pass.File.Defs {
    18  		newSymbolsDef, ok := def.(*dbc.NewSymbolsDef)
    19  		if !ok {
    20  			continue // not a new symbols definition
    21  		}
    22  		if len(newSymbolsDef.Symbols) > 0 {
    23  			pass.Reportf(newSymbolsDef.Pos, "new symbols should be empty")
    24  		}
    25  	}
    26  	return nil
    27  }