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Merge pull request #137 from colincross/name

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Add ModuleContext method to get dependency by name
This commit is contained in:
colincross 2016-12-14 21:45:11 -08:00 committed by GitHub
commit f3218f61b6
1 changed files with 34 additions and 0 deletions
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34
module_ctx.go
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@ -147,6 +147,9 @@ type ModuleContext interface {
OtherModuleErrorf(m Module, fmt string, args ...interface{})
OtherModuleDependencyTag(m Module) DependencyTag
GetDirectDepWithTag(name string, tag DependencyTag) Module
GetDirectDep(name string) (Module, DependencyTag)
VisitDirectDeps(visit func(Module))
VisitDirectDepsIf(pred func(Module) bool, visit func(Module))
VisitDepsDepthFirst(visit func(Module))
@ -300,6 +303,34 @@ func (m *baseModuleContext) OtherModuleDependencyTag(logicModule Module) Depende
return nil
}
// GetDirectDep returns the Module and DependencyTag for the direct dependency with the specified
// name, or nil if none exists.
func (m *baseModuleContext) GetDirectDep(name string) (Module, DependencyTag) {
for _, dep := range m.module.directDeps {
if dep.module.Name() == name {
return dep.module.logicModule, dep.tag
}
}
return nil, nil
}
// GetDirectDepWithTag returns the Module the direct dependency with the specified name, or nil if
// none exists. It panics if the dependency does not have the specified tag.
func (m *baseModuleContext) GetDirectDepWithTag(name string, tag DependencyTag) Module {
for _, dep := range m.module.directDeps {
if dep.module.Name() == name {
if dep.tag != tag {
panic(fmt.Errorf("found dependency %q with tag %#v, expected tag %#v",
dep.module, dep.tag, tag))
}
return dep.module.logicModule
}
}
return nil
}
func (m *baseModuleContext) VisitDirectDeps(visit func(Module)) {
defer func() {
if r := recover(); r != nil {
@ -488,6 +519,9 @@ type TopDownMutatorContext interface {
OtherModuleErrorf(m Module, fmt string, args ...interface{})
OtherModuleDependencyTag(m Module) DependencyTag
GetDirectDepWithTag(name string, tag DependencyTag) Module
GetDirectDep(name string) (Module, DependencyTag)
VisitDirectDeps(visit func(Module))
VisitDirectDepsIf(pred func(Module) bool, visit func(Module))
VisitDepsDepthFirst(visit func(Module))