add basic formatters

.clang-format

@@ -0,0 +1,5 @@
+---
+IndentWidth: '4'
+ColumnLimit: '120'
+IndentCaseLabels: 'true'
+...

.clang-tidy

@@ -421,4 +421,3 @@ CheckOptions:
   - key:             llvm-else-after-return.WarnOnUnfixable
     value:           'false'
 ...
-

.pre-commit-config.yaml

@@ -0,0 +1,28 @@
+fail_fast: true
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.6.0
+    hooks:
+    - id: end-of-file-fixer
+    - id: trailing-whitespace
+      exclude: ^.github/
+
+  - repo: https://github.com/pycqa/isort
+    rev: 5.13.2
+    hooks:
+      - id: isort
+        args: ["--profile", "black"]
+        exclude: ^.github/
+
+  - repo: https://github.com/psf/black
+    rev: 24.4.0
+    hooks:
+    - id: black
+      exclude: ^.github/
+
+  - repo: https://github.com/pre-commit/mirrors-clang-format
+    rev: v18.1.8
+    hooks:
+      - id: clang-format
+        exclude: /_clingo\.c$
+        types_or: [c++, c, cuda]

CHANGES.md

@@ -346,7 +346,7 @@
 
 ## gringo/clingo 4.2
 
-  * added clingo 
+  * added clingo
     * supports very flexible scripting support
     * can cover iclingo and oclingo functionality now
   * added stack traces to lua error messages

CMakeLists.txt

@@ -324,4 +324,3 @@ if (NOT CLINGO_BUILD_STATIC AND (CLINGO_BUILD_SHARED OR Python_Development_FOUND
         set_target_properties(${target} PROPERTIES POSITION_INDEPENDENT_CODE ON)
     endforeach()
 endif()
-

app/clingo/main.cc

@@ -23,30 +23,29 @@
 // }}}
 
 #ifdef CLINGO_WITH_PYTHON
-#   include <pyclingo.h>
+#include <pyclingo.h>
 #endif
 #ifdef CLINGO_WITH_LUA
-#   include <luaclingo.h>
+#include <luaclingo.h>
 #endif
 
 #include <clingo.h>
 #include <iostream>
 
 extern "C" CLINGO_VISIBILITY_DEFAULT int clingo_main_(int argc, char *argv[]);
 
-int main(int argc, char** argv) {
-#   ifdef CLINGO_WITH_PYTHON
+int main(int argc, char **argv) {
+#ifdef CLINGO_WITH_PYTHON
     if (!clingo_register_python_()) {
         std::cerr << clingo_error_message() << std::endl;
         return 1;
     }
-#   endif
-#   ifdef CLINGO_WITH_LUA
+#endif
+#ifdef CLINGO_WITH_LUA
     if (!clingo_register_lua_(nullptr)) {
         std::cerr << clingo_error_message() << std::endl;
         return 1;
     }
-#   endif
+#endif
     return clingo_main_(argc, argv);
 }
-

app/clingo/tests/lp/aggregates.lp

@@ -31,8 +31,8 @@ asstwo(S,u):-arg(S),ass(S,u),saturate.
 sattwo(S):-arg(S),ass(S,u),saturate.
 :-not saturate.
 #show ass/2.
-       
+
 :-ass(s1, 0),ass(s2, 0),ass(s3, 0).
 :-ass(s1, 1),ass(s2, 0),ass(s3, 1).
-       
-%unfounded: saturate, asstwo(s1,0), asstwo(s1,0)
+
+%unfounded: saturate, asstwo(s1,0), asstwo(s1,0)

app/clingo/tests/lp/elevator.lp

@@ -80,6 +80,3 @@ x(A,D,t) :- h(a(A,F),t-1), o(A,G+D,D), p(A,D), i(a(A,G)), D*F < D*G,
 
 #show.
 #show h/2.
-
-
-

app/clingo/tests/lp/project.lp

@@ -3,5 +3,3 @@
 
 1 { p(1..2) } 1.
 1 { q(1..2) } 1.
-
-

app/clingo/tests/lp/show.lp

@@ -13,4 +13,3 @@ q(k+1), k < 3.
 
 {show} :- k == 3.
 #show p(1..4) : show, k == 3.
-

app/clingo/tests/lua/add_minimize.lp

@@ -31,4 +31,3 @@ end
 
 2 { a; b; c }.
 2 { b; c; d }.
-

app/clingo/tests/lua/add_weight.lp

@@ -28,4 +28,3 @@ end
 #end.
 
 { a; b; c }.
-

app/clingo/tests/lua/conformant1.lp

@@ -1,4 +1,4 @@
-#script (lua) 
+#script (lua)
 function main(prg)
     local step   = 0
     local check  = false
@@ -29,7 +29,7 @@ function main(prg)
                 if ret.satisfiable then
                     break
                 end
-            else 
+            else
                 break
             end
         end
@@ -60,7 +60,7 @@ contradict(F)  :- complement(F,L,M), effect(A,L,N1), effect(A,M,N2),
 { holds(F,0) } :- complement(F,L,M), not initially(L), not initially(M).
   holds(F,0)   :- initially(L), complement(F,L,M).
 
-holds_oneof(N,B)  :- 
+holds_oneof(N,B)  :-
     initially_oneof(N,_,B);
     not holds(F,0) : initially_oneof(N,M,B), complement(F,L,M);
         holds(F,0) : initially_oneof(N,L,B), complement(F,L,M).
@@ -80,7 +80,7 @@ holds(L,t) :- occurs(A,t), effect(A,L,N), holds(C,t-1) : condition(A,C,N).
 holds(L,t) :- holds(L,t-1), complement(L,M), not holds(M,t).
  :- contradict(F), complement(F,L,M), holds((L),t), holds((M),t).
 
-caused(L,t) :- occurs(A,t), effect(A,L,N), 
+caused(L,t) :- occurs(A,t), effect(A,L,N),
                not holds(F',t-1) : condition(A,M',N), complement(F',L',M');
                    holds(F',t-1) : condition(A,L',N), complement(F',L',M').
 holds(F,t) :- caused(L,t), complement(F,L,M).
@@ -126,9 +126,9 @@ pos_executable(T,t)   :- occurs(A,T), alt_holds(C,T-1,t) : executable(A,C), C !=
 pos_goal_or(N,t) :- goal_or(N,L,B), alt_holds(L,t,t), vol(t).
 pos_goal_or(N,t) :- goal_or(N,L,B), goal(L), vol(t).
 
-bottom(t) :- pos_goal_or(N,t)  : goal_or(N,_,_); 
+bottom(t) :- pos_goal_or(N,t)  : goal_or(N,_,_);
              alt_holds(L,t,t)  : goal(L);
-             pos_executable(R,t)     : R = 1..t; 
+             pos_executable(R,t)     : R = 1..t;
              not_contradict(F,S,t) : contradict(F), S = 1..t;
              vol(t).
 
@@ -159,7 +159,7 @@ fluent(cpa_coin_at(cpa_c0, cpa_f1, cpa_p1)).
 fluent(cpa_coin_at(cpa_c1, cpa_f1, cpa_p0)).
 fluent(cpa_coin_at(cpa_c1, cpa_f1, cpa_p1)).
 
-%% actions ------ 
+%% actions ------
 
 action(cpa_collect(cpa_c0, cpa_f0, cpa_p0)).
 action(cpa_collect(cpa_c0, cpa_f0, cpa_p1)).
@@ -186,7 +186,7 @@ action(cpa_step_out(cpa_e0, cpa_f1, cpa_p0)).
 action(cpa_step_out(cpa_e1, cpa_f0, cpa_p1)).
 action(cpa_step_out(cpa_e1, cpa_f1, cpa_p1)).
 
-%% executable ------ 
+%% executable ------
 
 executable(cpa_collect(cpa_c0, cpa_f0, cpa_p0),cpa_at(cpa_f0, cpa_p0)).
 executable(cpa_collect(cpa_c0, cpa_f0, cpa_p1),cpa_at(cpa_f0, cpa_p1)).
@@ -209,7 +209,7 @@ executable(cpa_step_out(cpa_e0, cpa_f1, cpa_p0),cpa_inside(cpa_e0)).
 executable(cpa_step_out(cpa_e1, cpa_f0, cpa_p1),cpa_inside(cpa_e1)).
 executable(cpa_step_out(cpa_e1, cpa_f1, cpa_p1),cpa_inside(cpa_e1)).
 
-%% effects ------ 
+%% effects ------
 
 effect(cpa_collect(cpa_c0, cpa_f1, cpa_p0),cpa_have(cpa_c0),1).
 effect(cpa_collect(cpa_c0, cpa_f1, cpa_p0),neg(cpa_coin_at(cpa_c0, cpa_f1, cpa_p0)),1).
@@ -268,7 +268,7 @@ effect(cpa_step_out(cpa_e1, cpa_f1, cpa_p1),cpa_at(cpa_f1, cpa_p1),1).
 effect(cpa_step_out(cpa_e1, cpa_f1, cpa_p1),neg(cpa_inside(cpa_e1)),1).
 condition(cpa_step_out(cpa_e1, cpa_f1, cpa_p1),cpa_in(cpa_e1, cpa_f1),1).
 
-%% initial state ------ 
+%% initial state ------
 
 initially(cpa_at(cpa_f0, cpa_p0)).
 initially(neg(cpa_at(cpa_f0, cpa_p1))).
@@ -287,8 +287,7 @@ initially_oneof(3,cpa_coin_at(cpa_c1, cpa_f1, cpa_p0),1).
 initially_oneof(3,cpa_coin_at(cpa_c0, cpa_f1, cpa_p1),2).
 initially_oneof(3,cpa_coin_at(cpa_c1, cpa_f1, cpa_p1),2).
 
-%% goal state ---------- 
+%% goal state ----------
 
 goal(cpa_have(cpa_c0)).
 goal(cpa_have(cpa_c1)).
-

app/clingo/tests/lua/conformant2.lp

@@ -1,4 +1,4 @@
-#script (lua) 
+#script (lua)
 function main(prg)
     local step   = 0
     local check  = false
@@ -29,7 +29,7 @@ function main(prg)
                 if ret.satisfiable then
                     break
                 end
-            else 
+            else
                 break
             end
         end
@@ -60,7 +60,7 @@ contradict(F)  :- complement(F,L,M), effect(A,L,N1), effect(A,M,N2),
 { holds(F,0) } :- complement(F,L,M), not initially(L), not initially(M).
   holds(F,0)   :- initially(L), complement(F,L,M).
 
-holds_oneof(N,B)  :- 
+holds_oneof(N,B)  :-
     initially_oneof(N,_,B);
     not holds(F,0) : initially_oneof(N,M,B), complement(F,L,M);
         holds(F,0) : initially_oneof(N,L,B), complement(F,L,M).
@@ -80,7 +80,7 @@ holds(L,t) :- occurs(A,t), effect(A,L,N), holds(C,t-1) : condition(A,C,N).
 holds(L,t) :- holds(L,t-1), complement(L,M), not holds(M,t).
  :- contradict(F), complement(F,L,M), holds((L),t), holds((M),t).
 
-caused(L,t) :- occurs(A,t), effect(A,L,N), 
+caused(L,t) :- occurs(A,t), effect(A,L,N),
                not holds(F',t-1) : condition(A,M',N), complement(F',L',M');
                    holds(F',t-1) : condition(A,L',N), complement(F',L',M').
 holds(F,t) :- caused(L,t), complement(F,L,M).
@@ -126,9 +126,9 @@ pos_executable(T,t)   :- occurs(A,T), alt_holds(C,T-1,t) : executable(A,C), C !=
 pos_goal_or(N,t) :- goal_or(N,L,B), alt_holds(L,t,t), vol(t).
 pos_goal_or(N,t) :- goal_or(N,L,B), goal(L), vol(t).
 
-bottom(t) :- pos_goal_or(N,t)  : goal_or(N,_,_); 
+bottom(t) :- pos_goal_or(N,t)  : goal_or(N,_,_);
              alt_holds(L,t,t)  : goal(L);
-             pos_executable(R,t)     : R = 1..t; 
+             pos_executable(R,t)     : R = 1..t;
              not_contradict(F,S,t) : contradict(F), S = 1..t;
              vol(t).
 
@@ -148,7 +148,7 @@ fluent(cpa_visited(cpa_n2)).
 fluent(cpa_at(cpa_n1)).
 fluent(cpa_at(cpa_n2)).
 
-%% actions ------ 
+%% actions ------
 
 action(cpa_start(cpa_n1)).
 action(cpa_start(cpa_n2)).
@@ -157,7 +157,7 @@ action(cpa_travel(cpa_n1, cpa_n2)).
 action(cpa_travel(cpa_n2, cpa_n1)).
 action(cpa_travel(cpa_n2, cpa_n2)).
 
-%% executable ------ 
+%% executable ------
 
 executable(cpa_start(cpa_n1),true).
 executable(cpa_start(cpa_n2),true).
@@ -166,7 +166,7 @@ executable(cpa_travel(cpa_n1, cpa_n2),cpa_started).
 executable(cpa_travel(cpa_n2, cpa_n1),cpa_started).
 executable(cpa_travel(cpa_n2, cpa_n2),cpa_started).
 
-%% effects ------ 
+%% effects ------
 
 effect(cpa_start(cpa_n1),cpa_started,1).
 effect(cpa_start(cpa_n1),cpa_visited(cpa_n1),1).
@@ -183,16 +183,15 @@ effect(cpa_travel(cpa_n2, cpa_n1),cpa_at(cpa_n1),1).
 effect(cpa_travel(cpa_n2, cpa_n1),neg(cpa_at(cpa_n2)),1).
 condition(cpa_travel(cpa_n2, cpa_n1),cpa_at(cpa_n2),1).
 
-%% initial state ------ 
+%% initial state ------
 
 initially(neg(cpa_visited(cpa_n1))).
 initially(neg(cpa_visited(cpa_n2))).
 initially(neg(cpa_started)).
 initially_oneof(1,cpa_at(cpa_n1),1).
 initially_oneof(1,cpa_at(cpa_n2),2).
 
-%% goal state ---------- 
+%% goal state ----------
 
 goal(cpa_visited(cpa_n1)).
 goal(cpa_visited(cpa_n2)).
-