vendor.github.com.mmcloughlin.avo.pass.textflag.go Maven / Gradle / Ivy
package pass
import (
"github.com/mmcloughlin/avo/attr"
"github.com/mmcloughlin/avo/ir"
)
// IncludeTextFlagHeader includes textflag.h if necessary.
func IncludeTextFlagHeader(f *ir.File) error {
const textflagheader = "textflag.h"
// Check if we already have it.
for _, path := range f.Includes {
if path == textflagheader {
return nil
}
}
// Add it if necessary.
if requirestextflags(f) {
f.Includes = append(f.Includes, textflagheader)
}
return nil
}
// requirestextflags returns whether the file uses flags in the textflags.h header.
func requirestextflags(f *ir.File) bool {
for _, s := range f.Sections {
var a attr.Attribute
switch s := s.(type) {
case *ir.Function:
a = s.Attributes
case *ir.Global:
a = s.Attributes
}
if a.ContainsTextFlags() {
return true
}
}
return false
}