67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
package code
|
|
|
|
import (
|
|
"go/ast"
|
|
"strings"
|
|
)
|
|
|
|
// ParsePackage extracts package name, struct and interface implementations from
|
|
// map[string]*ast.Package. Test files will be ignored.
|
|
func ParsePackage(pkgs map[string]*ast.Package) (Package, error) {
|
|
pkg := NewPackage()
|
|
for _, astPkg := range pkgs {
|
|
for fileName, file := range astPkg.Files {
|
|
if strings.HasSuffix(fileName, "_test.go") {
|
|
continue
|
|
}
|
|
|
|
if err := pkg.addFile(ExtractComponents(file)); err != nil {
|
|
return Package{}, err
|
|
}
|
|
}
|
|
}
|
|
return pkg, nil
|
|
}
|
|
|
|
// Package stores package name, struct and interface implementations as a result
|
|
// from ParsePackage.
|
|
type Package struct {
|
|
Name string
|
|
Structs map[string]Struct
|
|
Interfaces map[string]InterfaceType
|
|
}
|
|
|
|
// NewPackage is a constructor function for Package.
|
|
func NewPackage() Package {
|
|
return Package{
|
|
Structs: map[string]Struct{},
|
|
Interfaces: map[string]InterfaceType{},
|
|
}
|
|
}
|
|
|
|
// addFile alters the Package by adding struct and interface implementations in
|
|
// the extracted file. If the package name conflicts, it will return error.
|
|
func (pkg *Package) addFile(file File) error {
|
|
if pkg.Name == "" {
|
|
pkg.Name = file.PackageName
|
|
} else if pkg.Name != file.PackageName {
|
|
return ErrAmbiguousPackageName
|
|
}
|
|
|
|
for _, structImpl := range file.Structs {
|
|
if _, ok := pkg.Structs[structImpl.Name]; ok {
|
|
return DuplicateStructError(structImpl.Name)
|
|
}
|
|
pkg.Structs[structImpl.Name] = structImpl
|
|
}
|
|
|
|
for _, interfaceImpl := range file.Interfaces {
|
|
if _, ok := pkg.Interfaces[interfaceImpl.Name]; ok {
|
|
return DuplicateInterfaceError(interfaceImpl.Name)
|
|
}
|
|
pkg.Interfaces[interfaceImpl.Name] = interfaceImpl
|
|
}
|
|
|
|
return nil
|
|
}
|