Added tests to build, fixed some unused variables.

.gitignore

@@ -0,0 +1,2 @@
+/_build/
+/dune-project

.gitlab-ci.yml

@@ -34,12 +34,22 @@ before_script:
 #     paths:
 #       - src/ligo/bin/cli.ml
 
+local-dune-job:
+  script:
+    - vendors/ligo-opam-repository/rewrite-local-opam-repository.sh
+    - opam repository add localrepo "file://$PWD/vendors/ligo-opam-repository/"
+    - opam install -y --build-test --deps-only ./src/
+    - (dune build -p ligo)
+    # TODO: also try instead from time to time:
+    #- (cd ./src/; dune build -p ligo)
+    dune build -p ligo
+
 local-repo-job:
   script:
     - vendors/ligo-opam-repository/rewrite-local-opam-repository.sh
     - opam repository add localrepo "file://$PWD/vendors/ligo-opam-repository/"
     #--build-test
-    - opam install -y -v ligo
+    - opam install -y ligo
 
 remote-repo-job:
   script:

src/.gitignore

@@ -1,5 +1,4 @@
-_build/*
+_build/
-*/_build
 .merlin
 */.merlin
 *.install

src/parser/parser.ml

@@ -22,7 +22,7 @@ let parse_file (source: string) : AST_Raw.t result =
     (fun () -> open_in pp_input) in
   let lexbuf = Lexing.from_channel channel in
   let module Lexer = Lexer.Make(LexToken) in
-  let Lexer.{read ; close} =
+  let Lexer.{read ; close ; _} =
     Lexer.open_token_stream None in
   specific_try (fun () -> function
       | Parser.Error -> (
@@ -59,7 +59,7 @@ let parse_file (source: string) : AST_Raw.t result =
 let parse_string (s:string) : AST_Raw.t result =
   let lexbuf = Lexing.from_string s in
   let module Lexer = Lexer.Make(LexToken) in
-  let Lexer.{read ; close} =
+  let Lexer.{read ; close ; _} =
     Lexer.open_token_stream None in
   specific_try (fun () -> function
       | Parser.Error -> (
@@ -83,7 +83,7 @@ let parse_string (s:string) : AST_Raw.t result =
 let parse_expression (s:string) : AST_Raw.expr result =
   let lexbuf = Lexing.from_string s in
   let module Lexer = Lexer.Make(LexToken) in
-  let Lexer.{read ; close} =
+  let Lexer.{read ; close; _} =
     Lexer.open_token_stream None in
   specific_try (fun () -> function
       | Parser.Error -> (

vendors/ligo-opam-repository

@@ -1 +1 @@
-Subproject commit fbfa642ebd4d55ec1a33cbdc75093c0681ddd3ce
+Subproject commit c794c6169960fd6d625ec2eb292f4136ec276f99

vendors/ligo-utils

@@ -1 +1 @@
-Subproject commit 6ccdf0bf9e69585197d97b2f023590aeb03076de
+Subproject commit 3a7d2a85f1792105a375e35aa03afa137b29a9af