flatbuffer base

Makefile

@@ -4,13 +4,27 @@ SRC_DIR=src
 INC_DIR=inc
 CC=gcc
 OBJDUMP=objdump
-LIBS=deps/tomlc99/libtoml.a deps/ptQueue/out/ptQueue.a deps/wsServer/libws.a
+LIBS=deps/tomlc99/libtoml.a deps/ptQueue/out/ptQueue.a deps/wsServer/libws.a deps/flatcc/lib/libflatccrt.a
 LIBS_HEADERS=deps/ $(OPENSSL_INCLUDE)
+# flatcc runtime and generated reader headers use const-dropping casts;
+# include both as system headers so -Wcast-qual doesn't apply to them
+SYSTEM_INCLUDES=-isystem deps/flatcc/include/ -isystem $(PROTO_INC_DIR)/
 STATIC_LIBS=crypto
 STANDART=c23
 OPTIMIZE=-O3
 TARGET=main
 
+FLATCC           = deps/flatcc/bin/flatcc
+FLATC            = deps/flatbuffers/build/flatc
+FBS_DIR          = flatbuffers
+PROTO_INC_DIR    = inc/flatbuf_autogen
+PROTO_SRC_DIR    = src/flatbuf_autogen
+PROTO_STAMP      = $(BUILD_DIR)/.proto_stamp
+PY_PROTO_DIR     = hmmmm_scripts/flatbuf_autogen
+PY_PROTO_STAMP   = $(BUILD_DIR)/.py_proto_stamp
+
+FBS_SOURCES := $(shell find $(FBS_DIR) -name '*.fbs')
+
 
 DEFINES=#-DOPCODE_WORDSIZE=2 -DMEM_CELL_WORDS=1 -DPC_WORDSIZE=2 -DGP_REG_CELL_WORDS=1 -DIO_REG_CELL_WORDS=1
 
@@ -24,9 +38,10 @@ DISABLE_FLAGS=-Wno-unused-variable -Wno-unused-parameter -Wno-write-strings -Wno
 PEDANTIC_FLAGS=-pedantic -pedantic-errors $(DISABLE_FLAGS) -Wall -Wcast-align -Wcast-qual -Wconversion -Wduplicated-branches -Wduplicated-cond -Werror -Wextra -Wfloat-equal -Wlogical-op -Wpedantic -Wredundant-decls -Wsign-conversion
 ANALYZER_FLAGS=-fanalyzer -fdiagnostics-show-option -fdiagnostics-color=always
 LSECTIONS=-ffunction-sections -fdata-sections -Wl,--gc-sections
-CFLAGS=$(C_DEFS) -g $(C_INCLUDES) $(DEFINES) $(OPTIMIZE) --std=$(STANDART) $(PEDANTIC_FLAGS) $(ANALYZER_FLAGS) -MMD -MP
+CFLAGS=$(C_DEFS) -g $(C_INCLUDES) $(SYSTEM_INCLUDES) $(DEFINES) $(OPTIMIZE) --std=$(STANDART) $(PEDANTIC_FLAGS) $(ANALYZER_FLAGS) -MMD -MP # -fno-omit-frame-pointer -fno-inline -fno-lto
 STATICLIBS_FLAGS=$(addprefix -l,$(STATIC_LIBS))
-LFLAGS=$(OPTIMIZE) -g $(PEDANTIC_FLAGS) $(DEFINES) $(STATICLIBS_FLAGS) -flto -fuse-linker-plugin $(LSECTIONS) -lm 
+# LFLAGS=$(OPTIMIZE) -g $(PEDANTIC_FLAGS) $(DEFINES) $(STATICLIBS_FLAGS) $(LSECTIONS) -lm -fno-omit-frame-pointer -fno-inline -fno-lto
+LFLAGS=$(OPTIMIZE) -g $(PEDANTIC_FLAGS) $(DEFINES) $(STATICLIBS_FLAGS) -flto -fuse-linker-plugin $(LSECTIONS) -lm -fno-omit-frame-pointer -fno-inline
 
 
 
@@ -41,7 +56,7 @@ vpath %.c $(sort $(dir $(C_SOURCES)))
 
 all: build
 
-build: date deps Dir target compile_commands
+build: date deps Dir proto target compile_commands
 
 rebuild: clean | build
 
@@ -54,7 +69,7 @@ $(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR)
 	@$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
 	@$(OBJDUMP) -d -S $@ > $(BUILD_DIR)/$(notdir $(<:.c=.casm))
 
-target: date $(BUILD_DIR)/$(TARGET).elf
+target: date proto $(BUILD_DIR)/$(TARGET).elf
 
 $(BUILD_DIR)/$(TARGET).elf: $(OBJECTS)
 	@echo -e '\033[1;32mELF\t'$(OBJECTS)'\n\t\t\t->\t'$@'\033[0m'
@@ -63,6 +78,16 @@ $(BUILD_DIR)/$(TARGET).elf: $(OBJECTS)
 deps:
 	@make -C deps all
 
+proto: $(PROTO_STAMP)
+
+$(PROTO_STAMP): $(FBS_SOURCES) | ProtoDir BuildDir
+	@echo -e '\033[1;32mFLATCC\tGenerating FlatBuffers headers\033[0m'
+	@for fbs in $(FBS_SOURCES); do \
+		echo -e '\033[1;32mFLATCC\t'$$fbs'\033[0m'; \
+		$(FLATCC) -a -I $(FBS_DIR) -o $(PROTO_INC_DIR) $$fbs || exit 1; \
+	done
+	@touch $@
+
 
 
 BuildDir:
@@ -75,16 +100,34 @@ SrcDir:
 IncDir:
 	@mkdir -p $(INC_DIR)
 
-Dir: BuildDir SrcDir IncDir
+ProtoDir:
+	@mkdir -p $(PROTO_INC_DIR)
+	@mkdir -p $(PROTO_SRC_DIR)
+
+Dir: BuildDir SrcDir IncDir ProtoDir
 
 
-.PHONY: clean deps
+python-proto: $(PY_PROTO_STAMP)
+
+$(PY_PROTO_STAMP): $(FBS_SOURCES) $(FLATC) | $(PY_PROTO_DIR) BuildDir
+	@echo -e '\033[1;32mFLATC\tGenerating Python FlatBuffers bindings\033[0m'
+	@$(FLATC) --python --gen-all -I $(FBS_DIR) -o $(PY_PROTO_DIR) $(FBS_DIR)/proto.fbs
+	@touch $@
+
+$(PY_PROTO_DIR):
+	@mkdir -p $@
+
+$(FLATC):
+	@$(MAKE) -C deps flatbuffers/build/flatc
+
+
+.PHONY: clean deps proto python-proto
 clean:
-	@rm -rf $(BUILD_DIR)/*
+	@rm -rf $(BUILD_DIR)/* $(BUILD_DIR)/.* $(PROTO_INC_DIR)/* $(PROTO_SRC_DIR)/*
 #	@rm -f compile_commands.json
 	@echo -e '\033[0;31mCleaned\033[0m'
 
-.NOTPARALLEL: date target rebuild  deps
+.NOTPARALLEL: date target rebuild deps proto
 date:
 	@echo -e '\033[1;32m'"Starting build at " | tr -d '\n'
 	@date