Run preprocess-rust-rules and preprocess-cpp-rules in parallel

Author: lucic71

CMakeLists.txt

@@ -135,22 +135,42 @@ add_custom_target("check"
                   DEPENDS check-libcc2rs check-unit
                  )
 
-add_custom_target("check-rules"
-                  COMMAND find ${PROJECT_SOURCE_DIR}/rules -name "ir*.json" -delete
+file(GLOB rule_src_files ${PROJECT_SOURCE_DIR}/rules/*/src.cpp)
+set(cpp_rules_ir_outputs)
+foreach(_src IN LISTS rule_src_files)
+  get_filename_component(_rule_dir ${_src} DIRECTORY)
+  set(_out ${_rule_dir}/ir_src.json)
+  add_custom_command(
+    OUTPUT ${_out}
+    COMMAND $<TARGET_FILE:cpp-rule-preprocessor> --file ${_src}
+    DEPENDS ${_src} cpp-rule-preprocessor
+    VERBATIM
+  )
+  list(APPEND cpp_rules_ir_outputs ${_out})
+endforeach()
+
+add_custom_target("preprocess-cpp-rules" DEPENDS ${cpp_rules_ir_outputs})
+
+add_custom_target("preprocess-rust-rules"
+                  COMMAND find ${PROJECT_SOURCE_DIR}/rules
+                              \( -name "ir_unsafe.json" -o -name "ir_refcount.json" \)
+                              -delete
                   COMMAND cargo build
                   COMMAND ${CMAKE_COMMAND} -E chdir ${PROJECT_SOURCE_DIR}/rule-preprocessor
                           ${CMAKE_COMMAND} -E env
                               CARGO_TARGET_DIR=${PROJECT_SOURCE_DIR}/rule-preprocessor/target
                               cargo run
-                  COMMAND $<TARGET_FILE:cpp-rule-preprocessor>
-                              --rules ${PROJECT_SOURCE_DIR}/rules
-                  COMMAND ${CMAKE_COMMAND} -E chdir ${PROJECT_SOURCE_DIR}
-                          git diff --exit-code -- rules/
                   WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}/rules"
-                  DEPENDS install-rust-toolchain cpp-rule-preprocessor
+                  DEPENDS install-rust-toolchain
                   USES_TERMINAL
                  )
 
+add_custom_target("check-rules"
+                  COMMAND ${CMAKE_COMMAND} -E chdir ${PROJECT_SOURCE_DIR}
+                          git diff --exit-code -- rules/
+                  DEPENDS preprocess-cpp-rules preprocess-rust-rules
+                 )
+
 add_custom_target("check-all"
                   DEPENDS check-libcc2rs check-rules check-unit check-benchmarks
                  )