/**

* Provides classes for working with concepts relating to the [github.com/go-kit/kit](https://pkg.go.dev/github.com/go-kit/kit) package.

*/

import go

/**

* Provides classes for working with concepts relating to the [github.com/go-kit/kit](https://pkg.go.dev/github.com/go-kit/kit) package.

*/

module GoKit {

/** Gets the package name. */

string packagePath() { result = package("github.com/go-kit/kit", "") }

/**

* Provides classes for working with concepts relating to the `endpoint` package of the

* [github.com/go-kit/kit](https://pkg.go.dev/github.com/go-kit/kit) package.

*/

module Endpoint {

/** Gets the package name. */

string endpointPackagePath() { result = package("github.com/go-kit/kit", "endpoint") }

// gets a function that returns an endpoint

private DataFlow::Node getAnEndpointFactoryResult() {

exists(Function mkFn, FunctionOutput res |

mkFn.getResultType(0).hasQualifiedName(endpointPackagePath(), "Endpoint") and

result = res.getEntryNode(mkFn.getFuncDecl()).getAPredecessor*()

)

}

private FuncDef getAnEndpointFunction() {

exists(Function endpointFn | endpointFn.getFuncDecl() = result |

endpointFn.getARead() = getAnEndpointFactoryResult()

)

or

DataFlow::exprNode(result.(FuncLit)) = getAnEndpointFactoryResult()

}

private class EndpointRequest extends RemoteFlowSource::Range {

EndpointRequest() { this = DataFlow::parameterNode(getAnEndpointFunction().getParameter(1)) }

}

}

}