refactor(library,library/tactic): move class_instance_synth to library

This module will be needed by the simplifier

src/frontends/lean/elaborator.cpp

@@ -38,8 +38,8 @@ Author: Leonardo de Moura
 #include "library/choice_iterator.h"
 #include "library/projection.h"
 #include "library/pp_options.h"
+#include "library/class_instance_synth.h"
 #include "library/tactic/expr_to_tactic.h"
-#include "library/tactic/class_instance_synth.h"
 #include "library/error_handling/error_handling.h"
 #include "library/definitional/equations.h"
 #include "frontends/lean/local_decls.h"

src/library/CMakeLists.txt

@@ -11,8 +11,9 @@ add_library(library deep_copy.cpp expr_lt.cpp io_state.cpp occurs.cpp
   typed_expr.cpp let.cpp type_util.cpp protected.cpp
   metavar_closure.cpp reducible.cpp init_module.cpp
   generic_exception.cpp fingerprint.cpp flycheck.cpp hott_kernel.cpp
-  local_context.cpp choice_iterator.cpp pp_options.cpp unfold_macros.cpp
-  app_builder.cpp projection.cpp abbreviation.cpp
-  relation_manager.cpp export.cpp user_recursors.cpp)
+  local_context.cpp choice_iterator.cpp pp_options.cpp
+  unfold_macros.cpp app_builder.cpp projection.cpp abbreviation.cpp
+  relation_manager.cpp export.cpp user_recursors.cpp
+  class_instance_synth.cpp)
 
 target_link_libraries(library ${LEAN_LIBS})

src/library/class_instance_synth.cpp

@@ -22,8 +22,7 @@ Author: Leonardo de Moura
 #include "library/generic_exception.h"
 #include "library/util.h"
 #include "library/constants.h"
-#include "library/tactic/util.h"
-#include "library/tactic/class_instance_synth.h"
+#include "library/class_instance_synth.h"
 
 #ifndef LEAN_DEFAULT_CLASS_UNIQUE_CLASS_INSTANCES
 #define LEAN_DEFAULT_CLASS_UNIQUE_CLASS_INSTANCES false

src/library/init_module.cpp

@@ -38,6 +38,7 @@ Author: Leonardo de Moura
 #include "library/abbreviation.h"
 #include "library/relation_manager.h"
 #include "library/user_recursors.h"
+#include "library/class_instance_synth.h"
 
 namespace lean {
 void initialize_library_module() {
@@ -75,9 +76,11 @@ void initialize_library_module() {
     initialize_abbreviation();
     initialize_relation_manager();
     initialize_user_recursors();
+    initialize_class_instance_elaborator();
 }
 
 void finalize_library_module() {
+    finalize_class_instance_elaborator();
     finalize_user_recursors();
     finalize_relation_manager();
     finalize_abbreviation();

src/library/tactic/CMakeLists.txt

@@ -1,11 +1,11 @@
 add_library(tactic goal.cpp proof_state.cpp tactic.cpp elaborate.cpp
 apply_tactic.cpp intros_tactic.cpp rename_tactic.cpp trace_tactic.cpp
-exact_tactic.cpp generalize_tactic.cpp
-inversion_tactic.cpp whnf_tactic.cpp revert_tactic.cpp
-assert_tactic.cpp clear_tactic.cpp expr_to_tactic.cpp location.cpp
-rewrite_tactic.cpp util.cpp class_instance_synth.cpp init_module.cpp
-change_tactic.cpp check_expr_tactic.cpp let_tactic.cpp contradiction_tactic.cpp
-exfalso_tactic.cpp constructor_tactic.cpp injection_tactic.cpp
-congruence_tactic.cpp relation_tactics.cpp induction_tactic.cpp subst_tactic.cpp)
+exact_tactic.cpp generalize_tactic.cpp inversion_tactic.cpp
+whnf_tactic.cpp revert_tactic.cpp assert_tactic.cpp clear_tactic.cpp
+expr_to_tactic.cpp location.cpp rewrite_tactic.cpp util.cpp
+init_module.cpp change_tactic.cpp check_expr_tactic.cpp let_tactic.cpp
+contradiction_tactic.cpp exfalso_tactic.cpp constructor_tactic.cpp
+injection_tactic.cpp congruence_tactic.cpp relation_tactics.cpp
+induction_tactic.cpp subst_tactic.cpp)
 
 target_link_libraries(tactic ${LEAN_LIBS})

src/library/tactic/apply_tactic.cpp

@@ -23,9 +23,9 @@ Author: Leonardo de Moura
 #include "library/metavar_closure.h"
 #include "library/type_util.h"
 #include "library/local_context.h"
+#include "library/class_instance_synth.h"
 #include "library/tactic/expr_to_tactic.h"
 #include "library/tactic/apply_tactic.h"
-#include "library/tactic/class_instance_synth.h"
 
 #ifndef LEAN_DEFAULT_APPLY_CLASS_INSTANCE
 #define LEAN_DEFAULT_APPLY_CLASS_INSTANCE true

src/library/tactic/induction_tactic.cpp

@@ -12,10 +12,10 @@ Author: Leonardo de Moura
 #include "library/constants.h"
 #include "library/reducible.h"
 #include "library/locals.h"
+#include "library/class_instance_synth.h"
 #include "library/tactic/tactic.h"
 #include "library/tactic/expr_to_tactic.h"
 #include "library/tactic/generalize_tactic.h"
-#include "library/tactic/class_instance_synth.h"
 
 namespace lean {
 class rec_opaque_converter : public default_converter {

src/library/tactic/init_module.cpp

@@ -18,7 +18,6 @@ Author: Leonardo de Moura
 #include "library/tactic/revert_tactic.h"
 #include "library/tactic/inversion_tactic.h"
 #include "library/tactic/assert_tactic.h"
-#include "library/tactic/class_instance_synth.h"
 #include "library/tactic/rewrite_tactic.h"
 #include "library/tactic/change_tactic.h"
 #include "library/tactic/check_expr_tactic.h"
@@ -47,7 +46,6 @@ void initialize_tactic_module() {
     initialize_revert_tactic();
     initialize_inversion_tactic();
     initialize_assert_tactic();
-    initialize_class_instance_elaborator();
     initialize_rewrite_tactic();
     initialize_change_tactic();
     initialize_check_expr_tactic();
@@ -75,7 +73,6 @@ void finalize_tactic_module() {
     finalize_check_expr_tactic();
     finalize_change_tactic();
     finalize_rewrite_tactic();
-    finalize_class_instance_elaborator();
     finalize_assert_tactic();
     finalize_inversion_tactic();
     finalize_revert_tactic();

src/library/tactic/inversion_tactic.cpp

@@ -15,9 +15,9 @@ Author: Leonardo de Moura
 #include "library/util.h"
 #include "library/constants.h"
 #include "library/reducible.h"
+#include "library/class_instance_synth.h"
 #include "library/tactic/tactic.h"
 #include "library/tactic/expr_to_tactic.h"
-#include "library/tactic/class_instance_synth.h"
 #include "library/tactic/inversion_tactic.h"
 #include "library/tactic/generalize_tactic.h"
 #include "library/tactic/clear_tactic.h"

src/library/tactic/rewrite_tactic.cpp

@@ -31,11 +31,11 @@ Author: Leonardo de Moura
 #include "library/constants.h"
 #include "library/unfold_macros.h"
 #include "library/generic_exception.h"
+#include "library/class_instance_synth.h"
 #include "library/tactic/clear_tactic.h"
 #include "library/tactic/trace_tactic.h"
 #include "library/tactic/rewrite_tactic.h"
 #include "library/tactic/expr_to_tactic.h"
-#include "library/tactic/class_instance_synth.h"
 #include "library/tactic/relation_tactics.h"
 
 // #define TRACE_MATCH_PLUGIN