include config.mk

all: $(TARGET)

release: clean
release: CFLAGS = -Wall -O2
release: $(TARGET)

# Run the target.
run: $(TARGET)
	./$(TARGET)

# Generate grammars with bison.
$(GRAM_FILES): $(SRC_DIR)/grammar.y
	@ mkdir -p $(GRAM_DIR)
	@ $(PRINT) "$(WHITE_BOLD)Generating grammars...$(RESETCOLOR)"
	$(BISON) $< -o$(GRAM_DIR)/grammar.tab.c -H$(GRAM_DIR)/grammar.tab.h

# Compile grammars.
$(OBJ_DIR)/grammar.o: $(GRAM_DIR)/grammar.tab.c $(GRAM_DIR)/grammar.tab.h $(OBJ_DIR)/lexer.o
	@ $(PRINT) "$(WHITE_BOLD)Compiling grammars...$(RESETCOLOR)"
	$(CC) $(CFLAGS) -c $< -o $@

# Lexer depends on grammars.
$(OBJ_DIR)/lexer.o: $(SRC_DIR)/lexer.c $(GRAM_FILES)
	@ mkdir -p $(OBJ_DIR)
	@ $(PRINT) "$(WHITE_BOLD)Compiling source object $(WHITE)$@$(WHITE_BOLD)... $(RESETCOLOR)"
	$(CC) $(CFLAGS) -c $< -o $@

# Compile project source objects.
$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(INC_DIR)/%.h
	@ mkdir -p $(OBJ_DIR)
	@ $(PRINT) "$(WHITE_BOLD)Compiling source object $(WHITE)$@$(WHITE_BOLD)... $(RESETCOLOR)"
	$(CC) $(CFLAGS) -c $< -o $@

# Link to final binary.
$(TARGET): $(OBJ_DIR)/grammar.o $(OBJ_FILES)
	@ $(PRINT) "$(WHITE_BOLD)Linking $(WHITE)$@$(WHITE_BOLD)...$(RESETCOLOR)"
	$(LINK) -o $(TARGET) $(OBJ_FILES) $(OBJ_DIR)/grammar.o $(LDFLAGS)

clean:
	@ $(PRINT) "$(WHITE_BOLD)Cleaning up...$(RESETCOLOR)"
	rm -rf $(OBJ_DIR)/*.o $(TARGET) $(GRAM_DIR)/*

lines:
	@ wc -l $(SRC_FILES) $(INC_FILES) $(GRAM_SRC)

.PHONY: all clean release run lines