A whole host of stuff

We now have a primitive and not fully tested parser for strings and
symbol sequences.  We record the lines and columns of each object on
the object for better compile time error handling.

I've also structured the code base in a slightly weirder fashion,
which makes my includes look nicer.  I've split up stuff quite a bit
to ensure code units are bit more focused.

Makefile

@@ -1,10 +1,10 @@
 CC=cc
 
 DIST=build
-OUT=$(DIST)/main.out
+OUT=$(DIST)/arl.out
 
 LDFLAGS=
-GFLAGS=-Wall -Wextra -Wpedantic -std=c23
+GFLAGS=-Wall -Wextra -Wpedantic -std=c23 -I./src/
 DFLAGS=-ggdb -fsanitize=address -fsanitize=undefined
 RFLAGS=-O3
 
@@ -15,14 +15,26 @@ else
 CFLAGS=$(GFLAGS) $(DFLAGS)
 endif
 
-$(OUT): $(DIST)/main.o | $(DIST)
+HEADERS=$(shell find "src" -type 'f' -name '*.h')
+MODULES=main lib/vec lib/sv parser/ast parser/parser
+OBJECTS=$(patsubst %,$(DIST)/%.o, $(MODULES))
+
+$(OUT): $(OBJECTS) | $(DIST)
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
 
-$(DIST)/main.o: main.c | $(DIST)
-	$(CC) $(CFLAGS) -c -o $@ $^
+$(DIST)/%.o: src/arl/%.c $(HEADERS) | $(DIST)
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+$(DIST)/%.o: src/arl/parser/%.c $(HEADERS) | $(DIST)
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+$(DIST)/%.o: src/arl/lib/%.c $(HEADERS) | $(DIST)
+	$(CC) $(CFLAGS) -c -o $@ $<
 
 $(DIST):
 	mkdir -p $(DIST)
+	mkdir -p $(DIST)/lib
+	mkdir -p $(DIST)/parser
 
 .PHONY: run clean
 ARGS=