Adds more things.

.gitignore

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+*.o
+*.so
+tags
+*.out
+.cache
+build/*
+vgcore.*
+compile_commands.json

Makefile

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+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

config.mk

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+NAME = yamth
+
+TARGET = $(NAME).out
+
+SRC_DIR = src
+INC_DIR = $(SRC_DIR)/include
+BUILD_DIR = build
+OBJ_DIR = $(BUILD_DIR)/obj
+GRAM_DIR = $(BUILD_DIR)/grammars
+
+CC = clang
+LINK = clang
+CFLAGS = -Wall -DDBG -ggdb -fsanitize=leak
+LDFLAGS = -lm
+BISON = bison
+PRINT = echo -e
+
+SRC_FILES = $(wildcard $(SRC_DIR)/*.c)
+INC_FILES = $(wildcard $(INC_DIR)/*.h)
+OBJ_FILES = $(patsubst $(SRC_DIR)/%.c, $(OBJ_DIR)/%.o, $(SRC_FILES))
+OBJ_FILES_NOMAIN = $(filter-out $(OBJ_DIR)/main.o, $(OBJ_FILES)) # Object files without main.c.
+GRAM_SRC = $(SRC_DIR)/grammar.y
+GRAM_FILES = $(GRAM_DIR)/grammar.tab.c $(GRAM_DIR)/grammar.tab.h
+
+RESETCOLOR = \033[0m
+WHITE = $(RESETCOLOR)\033[37m
+WHITE_BOLD = $(RESETCOLOR)\033[37;1m
+RED_BOLD = $(RESETCOLOR)\033[31;1m

src/include/main.h

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+#ifndef MAIN_H
+#define MAIN_H
+
+// Not much to see here...
+
+#endif

src/main.c

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+#include <stdio.h>
+#include "include/main.h"
+
+int main(int argc, char** argv) {
+    printf("Hello, world.\n");
+    
+    return 0;
+}