Improved Breakpoint support and DAP resource ID handling redesign (#12)

* reworked sync/async communication between the dap server and estgi

* remove debug prints

* fix race condition ; fix debug session setup before state copy

* support source positions for stack frames ; major redesign in DAP resourceID handling: switch to pure design

* remove loadedSourcesRef ; make Source construction pure

* better CaseOf display

* improve SourceRef handling to support setting of pre-existing breakpoints from previous DAP session ; append unique id's to binder names

* fix: send response for next command ; implement pause

Author: csabahruska

dap/dap.cabal

@@ -42,6 +42,7 @@ executable dap-estg
     , mtl
     , yaml
     , zip
+    , bimap
   hs-source-dirs:
     exe
   default-language: