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debug.go
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debug.go
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package debug
import (
"fmt"
"github.com/reedom/copygen/cli/models"
)
// PrintGeneratorFields prints all of a generator's function's fields to standard output.
func PrintGeneratorFields(gen *models.Generator) {
for i := 0; i < len(gen.Functions); i++ {
fmt.Println(gen.Functions[i].Name, "{")
PrintFunctionFields(&gen.Functions[i])
fmt.Println("}")
fmt.Println()
}
}
// PrintFunctionFields prints all of a function's fields to standard output.
func PrintFunctionFields(function *models.Function) {
spec := ""
if function.Options.Error {
spec = ", returns error"
}
fmt.Printf("[Function %v%v]\n", function.Name, spec)
for i := 0; i < len(function.From); i++ {
fmt.Println(function.From[i])
PrintFieldGraph(function.From[i].Field, "\t", nil)
}
for i := 0; i < len(function.To); i++ {
fmt.Println(function.To[i])
PrintFieldGraph(function.To[i].Field, "\t", nil)
}
}
// PrintFieldGraph prints a list of fields with the related fields.
func PrintFieldGraph(field *models.Field, tabs string, cyclic map[*models.Field]bool) {
if cyclic == nil {
cyclic = make(map[*models.Field]bool)
}
fmt.Printf("%v%v\n", tabs, field)
cyclic[field] = true
for _, subfield := range field.Fields {
if !cyclic[subfield] {
PrintFieldGraph(subfield, tabs+"\t", cyclic)
}
}
}
// PrintFieldTree prints a tree of fields for a given type field to standard output.
func PrintFieldTree(field *models.Field, tabs string, cyclic map[*models.Field]bool) {
if cyclic == nil {
cyclic = make(map[*models.Field]bool)
}
if tabs == "" {
fmt.Println(tabs + "type " + field.FullDefinition())
} else {
fmt.Println(tabs + field.Name + "\t" + field.FullDefinition())
}
cyclic[field] = true
tabs += "\t" // field tab
for _, subfield := range field.Fields {
if !cyclic[subfield] {
PrintFieldTree(subfield, tabs+"\t", cyclic)
}
}
}
// PrintFieldRelation prints the relationship between a list of to and from fields.
func PrintFieldRelation(toFields, fromFields []*models.Field) {
for _, toField := range toFields {
for _, fromField := range fromFields {
printFieldRelation(toField, fromField)
}
}
}
// printFieldRelation prints the relationship between two fields.
func printFieldRelation(toField, fromField *models.Field) {
switch {
case toField.From == fromField && fromField.To == toField:
fmt.Printf("%v and %v are related to each other.\n", toField, fromField)
case toField.From == fromField:
fmt.Printf("%v is related to %v.\n", toField, fromField)
case fromField.To == toField:
fmt.Printf("%v is related to %v.\n", toField, fromField)
default:
fmt.Printf("%v is not related to %v.\n", toField, fromField)
}
}