Introduce debugging symbols (#424)

* Add fann type and to_fann fun

* Add fann() to funcall

* Add fann() to closure

* Add fann() to set_state

* Add fann() to remote_u

* Add fann() to remote

* Add fann() to proj

* Add fann() to set_proj

* Add fann() to def and def_u

* Add fann() to op

* Add fann() to let

* Add fann() to lam

* Add fann() to builtin_u

* Add missing functions specs

* Dead code removal

* Fix the spec for compute_state_layout

* Add fann() to var

* Add fann() to switch

* Add fann() to lit and get_state

* Add fann() to builtin

* Add fann() to con

* Add fann() to tuple

* Add fann() to nil

* Fix missing fann() in tuple fexpr()

* Add dbgloc instruction to fate

* Add instructions lines to the debugging result

* Fix compiler tests

* Fix calldata tests

* Rname Ann to FAnn when the type is fann()

* Add line to fann()

* Change attributes for DBGLOC instruction

* Add file to fann()

* Add file to aeso_syntax:ann()

* Fix dialyzer warning

* Remove fann() from fsplit_pat() and fpat()

* Fill out empty fann() when possible

* Save debug locations for child contracts

* Include DBGLOC instructions in the compiler output

* Return an empty string instead of no_file atom

* Wrap args of DBGLOC in immediate tuple

* Upgrade aebytecode ref in rebar.config

* Add DBG_DEF and DBG_UNDEF

* Do not DBG_DEF vars with % prefix

* Do not use DBG_DEF and DBG_UNDEF on args

* Fix dbg_undef for args

* Rename DBGLOC to DBG_LOC

* Remove column from DBG_LOC

* Add missing dbg_loc in to_scode1

* Keep a single DBG_LOC instruction per line

* Remove col from fann

* Add DBG_LOC op to step at function sig

* Remove the variable-register map from debug output

* Use get_value/3 to handle default

* Use lookup instead of lookup_all

* List only needed attributes

* Make debug ops impure

* Split complicated code and add comment

* Fix annotations

* Fix indenting

* Remove dbg_loc before closure

* Add dbg_loc in to_scode

* Add DBG_CALL and DBG_RETURN

* Separate the split at CALL_T and loop

* Revert "Separate the split at CALL_T and loop"

This reverts commit 4ea823a7ca798c756b20cee32f928f41092c4959.

* Revert "Add DBG_CALL and DBG_RETURN"

This reverts commit c406c6feb09b6a5bb859c38d634f08208c901e5a.

* Disable tail call optimization for better debug call stack

* Rename env.debug to env.debug_info

* Upgrade aebytecode: Add DBG_CONTRACT

* Add DBG_CONTRACT instruction

* Check if a var name is fresh in separate function

* Add DBG_CONTRACT and DBG_LOC before DBG_DEF

* Save fresh names of pattern variables

* Implement fsplit_pat_vars for assign

* Set fann for switches

* Revert "Save fresh names of pattern variables"

This reverts commit d2473f982996336131477df2b2115c04a55a62cb.

* Add DBG_DEF for switch pattern vars

* Fix the inability to pattern match constructors

* Upgrade aebytecode dep

* Upgrade aebytecode dep

* Update the lock file

* Add annotations to fexpr var

* Fix issues with pretty-printing of fexprs

* Use FAnn instead of get_fann(Body)

* Upgrade aebytecode version

* Fix pp_fpat

* Fix pattern matching on fpat

* Update rename when a new rename comes up

* Upgrade aebytecode

* Remove the getopt dep

* Fix calldata tests

* Remove file committed by mistake

* Remove location anns from contract call type

rebar.lock

@@ -1,11 +1,11 @@
 {"1.2.0",
 [{<<"aebytecode">>,
   {git,"https://github.com/aeternity/aebytecode.git",
-       {ref,"2a0a397afad6b45da52572170f718194018bf33c"}},
+       {ref,"b38349274fc2bed98d7fe86877e6e1a2df302109"}},
   0},
  {<<"aeserialization">>,
   {git,"https://github.com/aeternity/aeserialization.git",
-       {ref,"eb68fe331bd476910394966b7f5ede7a74d37e35"}},
+       {ref,"177bf604b2a05e940f92cf00e96e6e269e708245"}},
   1},
  {<<"base58">>,
   {git,"https://github.com/aeternity/erl-base58.git",
@@ -16,7 +16,7 @@
   {git,"https://github.com/aeternity/enacl.git",
        {ref,"793ddb502f7fe081302e1c42227dca70b09f8e17"}},
   2},
- {<<"getopt">>,{pkg,<<"getopt">>,<<"1.0.1">>},0},
+ {<<"getopt">>,{pkg,<<"getopt">>,<<"1.0.1">>},1},
  {<<"jsx">>,
   {git,"https://github.com/talentdeficit/jsx.git",
        {ref,"3074d4865b3385a050badf7828ad31490d860df5"}},