func (b *Builder) getTarget(url parser.TargetURL) (n *Node) {
if gnode, ok := b.Nodes[url.String()]; ok {
return gnode
} else {
doc, err := parser.ReadBuildFile(url, b.Wd)
if err != nil {
log.Fatalf("getting target %s failed :%s", url.String(), err.Error())
}
if err := preprocessor.Process(doc); err != nil {
log.Fatalf("error processing document: %s", err.Error())
}
var p processor.Processor
for name, t := range p.Process(doc) {
if t.GetName() != url.Target {
continue
}
xu := parser.TargetURL{
Package: url.Package,
Target: name,
}
node := Node{
Target: t,
Children: make(map[string]*Node),
Parents: make(map[string]*Node),
once: sync.Once{},
wg: sync.WaitGroup{},
Status: Pending,
Url: xu,
}
post := postprocessor.New(url.Package)
err := post.ProcessDependencies(node.Target)
if err != nil {
log.Fatal(err)
}
var deps []build.Target
for _, d := range node.Target.GetDependencies() {
c := b.Add(d)
node.wg.Add(1)
deps = append(deps, c.Target)
node.Children[d] = c
c.Parents[xu.String()] = &node
}
if err := post.ProcessPaths(t, deps); err != nil {
log.Fatalf("path processing: %s", err.Error())
}
b.Nodes[xu.String()] = &node
if t.GetName() == url.Target {
n = &node
}
}
if n == nil {
log.Fatalf("we couldn't find %s, %s", url.String())
}
return n
}
}
func (p *Processor) runFunc(f *ast.Func) {
switch f.Name {
case "include_defs":
// takes only one parameter
packagePath := ""
switch f.AnonParams[0].(type) {
case string:
packagePath = f.AnonParams[0].(string)
break
default:
log.Fatal("include_defs takes a string as an argument")
}
document, err := parser.ReadBuildFile(parser.TargetURL{Package: packagePath}, p.wd)
if err != nil {
log.Fatal(err)
}
if p.document.Vars == nil {
p.document.Vars = make(map[string]interface{})
}
for k, v := range document.Vars {
p.document.Vars[k] = v
}
case "load":
filePath := ""
var varsToImport []string
// Check paramter types
for i, param := range f.AnonParams {
switch param.(type) {
case string:
if i == 0 {
filePath = param.(string)
} else {
varsToImport = append(varsToImport, param.(string))
}
break
default:
log.Fatal("should be used like so; load(file, var...)")
}
}
document, err := parser.ReadFile(p.absPath(filePath))
if err != nil {
log.Fatal(err)
}
if p.document.Vars == nil {
p.document.Vars = make(map[string]interface{})
}
for _, v := range varsToImport {
if val, ok := document.Vars[v]; ok {
p.document.Vars[v] = val
} else {
log.Fatalf("%s is not present at %s. Please check the file and try again.", v, filePath)
}
}
case "select":
default:
targ, err := p.makeTarget(f)
if err != nil {
log.Fatal(err)
return
}
p.targs[targ.GetName()] = targ
}
}