Migrate virtual machine from OVM project and rewrite README

Makefile

@@ -1,12 +1,10 @@
 CC=gcc
-CPP=g++
-
 VERBOSE=0
-GENERAL-FLAGS=-Wall -Wextra -Werror -Wswitch-enum -I$(shell pwd)
+GENERAL-FLAGS:=-Wall -Wextra -Werror -Wswitch-enum -I$(shell pwd)
 DEBUG-FLAGS=-ggdb -fsanitize=address
 RELEASE-FLAGS=-O3
+
 CFLAGS:=$(GENERAL-FLAGS) -std=c11 $(DEBUG-FLAGS) -D VERBOSE=$(VERBOSE)
-CPPFLAGS:=$(GENERAL-FLAGS) -std=c++17 $(DEBUG-FLAGS) -D VERBOSE=$(VERBOSE)
 
 LIBS=-lm
 DIST=build
@@ -20,102 +18,50 @@ LIB_DIST=$(DIST)/lib
 LIB_SRC=lib
 LIB_CODE:=$(addprefix $(LIB_SRC)/, base.c darr.c heap.c inst.c)
 LIB_OBJECTS:=$(LIB_CODE:$(LIB_SRC)/%.c=$(LIB_DIST)/%.o)
-LIB_CFLAGS=$(CFLAGS)
 
 ## VM setup
 VM_DIST=$(DIST)/vm
 VM_SRC=vm
 VM_CODE:=$(addprefix $(VM_SRC)/, runtime.c)
 VM_OBJECTS:=$(VM_CODE:$(VM_SRC)/%.c=$(VM_DIST)/%.o)
-VM_CFLAGS:=$(CFLAGS)
-VM_OUT=$(DIST)/ovm.out
-
-## ASSEMBLY setup
-ASM_DIST=$(DIST)/asm
-ASM_SRC=asm
-ASM_CODE:=$(addprefix $(ASM_SRC)/, base.cpp lexer.cpp preprocesser.cpp)
-ASM_OBJECTS:=$(ASM_CODE:$(ASM_SRC)/%.cpp=$(ASM_DIST)/%.o)
-ASM_CFLAGS=$(CPPFLAGS)
-ASM_OUT=$(DIST)/asm.out
-
-## EXAMPLES setup
-EXAMPLES_DIST=$(DIST)/examples
-EXAMPLES_SRC=examples
-EXAMPLES=$(EXAMPLES_DIST)/instruction-test.out $(EXAMPLES_DIST)/fib.out $(EXAMPLES_DIST)/factorial.out $(EXAMPLES_DIST)/memory-print.out
+VM_OUT=$(DIST)/avm.out
 
 ## Dependencies
 DEPDIR:=$(DIST)/dependencies
 DEPFLAGS = -MT $@ -MMD -MP -MF
-DEPS:=$($(LIB_SRC):%.c=$(DEPDIR):%.o) $($(ASM_SRC):%.c=$(DEPDIR):%.o) $($(VM_SRC):%.c=$(DEPDIR):%.o)
+DEPS:=$($(LIB_SRC):%.c=$(DEPDIR):%.o) $($(VM_SRC):%.c=$(DEPDIR):%.o)
 
 # Things you want to build on `make`
-all: $(DIST) lib vm asm examples
+all: $(DIST) lib vm
 
 lib: $(LIB_OBJECTS)
 vm: $(VM_OUT)
-asm: $(ASM_OUT)
-examples: $(EXAMPLES)
 
 # Recipes
-## LIB Recipes
-
 $(LIB_DIST)/%.o: $(LIB_SRC)/%.c | $(LIB_DIST) $(DEPDIR)/lib
-	@$(CC) $(LIB_CFLAGS) $(DEPFLAGS) $(DEPDIR)/lib/$*.d -c $< -o $@ $(LIBS)
+	@$(CC) $(CFLAGS) $(DEPFLAGS) $(DEPDIR)/lib/$*.d -c $< -o $@ $(LIBS)
 	@echo "$(TERM_YELLOW)$@$(TERM_RESET): $<"
 
-## VM Recipes
 $(VM_OUT): $(LIB_OBJECTS) $(VM_OBJECTS) $(VM_DIST)/main.o
-	@$(CC) $(VM_CFLAGS) $^ -o $@ $(LIBS)
+	@$(CC) $(CFLAGS) $^ -o $@ $(LIBS)
 	@echo "$(TERM_GREEN)$@$(TERM_RESET): $^"
 
 $(VM_DIST)/%.o: $(VM_SRC)/%.c | $(VM_DIST) $(DEPDIR)/vm
-	@$(CC) $(VM_CFLAGS) $(DEPFLAGS) $(DEPDIR)/vm/$*.d -c $< -o $@ $(LIBS)
+	@$(CC) $(CFLAGS) $(DEPFLAGS) $(DEPDIR)/vm/$*.d -c $< -o $@ $(LIBS)
 	@echo "$(TERM_YELLOW)$@$(TERM_RESET): $<"
 
-## ASSEMBLY Recipes
-$(ASM_OUT): $(LIB_OBJECTS) $(ASM_OBJECTS) $(ASM_DIST)/main.o
-	@$(CPP) $(ASM_CFLAGS) $^ -o $@ $(LIBS)
-	@echo "$(TERM_GREEN)$@$(TERM_RESET): $^"
-
-$(ASM_DIST)/%.o: $(ASM_SRC)/%.cpp | $(ASM_DIST) $(DEPDIR)/asm
-	@$(CPP) $(ASM_CFLAGS) $(DEPFLAGS) $(DEPDIR)/asm/$*.d -c $< -o $@ $(LIBS)
-	@echo "$(TERM_YELLOW)$@$(TERM_RESET): $<"
-
-## EXAMPLES recipes
-$(EXAMPLES_DIST)/%.out: $(EXAMPLES_SRC)/%.asm $(ASM_OUT) | $(EXAMPLES_DIST)
-	@$(ASM_OUT) $< $@
-	@echo "$(TERM_GREEN)$@$(TERM_RESET): $<"
-
-.PHONY: run-examples
-run-examples: $(EXAMPLES)
-	@$(foreach example,$(EXAMPLES), echo "$(TERM_YELLOW)$(example)$(TERM_RESET)"; $(MAKE) -s interpret BYTECODE=$(example);)
-
-OUT=
-ARGS=
-
 .PHONY: run
-run: $(DIST)/$(OUT)
+run: $(DIST)/$(VM_OUT)
 	./$^ $(ARGS)
 
 .PHONY: clean
 clean:
 	rm -rfv $(DIST)/*
 
-SOURCE=
-BYTECODE=
-.PHONY: assemble
-assemble: $(ASM_OUT)
-	@$(ASM_OUT) $(SOURCE) $(BYTECODE)
-
 .PHONY: interpret
 interpret: $(VM_OUT)
 	@$(VM_OUT) $(BYTECODE)
 
-.PHONY: exec
-exec: $(ASM_OUT) $(VM_OUT)
-	@$(ASM_OUT) $(SOURCE) $(BYTECODE)
-	@$(VM_OUT) $(BYTECODE)
-
 # Directories
 $(DIST):
 	mkdir -p $@
@@ -126,18 +72,9 @@ $(LIB_DIST):
 $(VM_DIST):
 	mkdir -p $@
 
-$(ASM_DIST):
-	mkdir -p $@
-
-$(EXAMPLES_DIST):
-	mkdir -p $@
-
 $(DEPDIR)/lib:
 	mkdir -p $@
 
-$(DEPDIR)/asm:
-	mkdir -p $@
-
 $(DEPDIR)/vm:
 	mkdir -p $@