Makefile

# ==============================================================================
# Compiler and Tool Configuration
# ==============================================================================
CXX = g++
FLEX = flex
BISON = bison

# ==============================================================================
# Directory Configuration
# ==============================================================================
SRCDIR = ./src
INCLUDEDIR = ./src/include
BUILDDIR = ./build

# ==============================================================================
# Compilation Flags
# ==============================================================================
CXXINCLUDE = -I./src/include -I./src -I./build
CXXFLAGS = -Wno-write-strings -g -Wall -Wextra -std=c++17 ${CXXINCLUDE}
BISONFLAGS = -d -y

# ==============================================================================
# Targets and Objects
# ==============================================================================
TARGET = saytringc
OBJS = $(BUILDDIR)/main.o $(BUILDDIR)/lexer.o $(BUILDDIR)/parser.o $(BUILDDIR)/symtab.o $(BUILDDIR)/util.o $(BUILDDIR)/semant.o $(BUILDDIR)/cgen.o $(BUILDDIR)/core_func.o $(BUILDDIR)/flag_handler.o

# ==============================================================================
# Build Targets
# ==============================================================================
.PHONY: all build clean help dotest

# Default target - build everything
all: $(BUILDDIR) $(TARGET)

# Build target alias
build: $(TARGET)

# Create build directory
$(BUILDDIR):
	@mkdir -p $(BUILDDIR)
	@echo "Created build directory: $(BUILDDIR)"

# Link the final executable
$(TARGET): $(OBJS)
	@echo "Linking $(TARGET)..."
	$(CXX) $(CXXFLAGS) -o $(BUILDDIR)/$(TARGET) $(OBJS)
	@echo "Build complete: $(BUILDDIR)/$(TARGET)"

# Compile main.o
$(BUILDDIR)/main.o: $(SRCDIR)/main.cc ${INCLUDEDIR}/AST.h ${INCLUDEDIR}/flag_handler.h $(BUILDDIR)/parser.tab.h
	$(CXX) $(CXXFLAGS) -c $(SRCDIR)/main.cc -o $(BUILDDIR)/main.o

# Compile flag_handler.o
$(BUILDDIR)/flag_handler.o: $(SRCDIR)/flag_handler.cc ${INCLUDEDIR}/flag_handler.h
	$(CXX) $(CXXFLAGS) -c $(SRCDIR)/flag_handler.cc -o $(BUILDDIR)/flag_handler.o

# Compile cgen.o
$(BUILDDIR)/cgen.o: $(SRCDIR)/cgen.cc ${INCLUDEDIR}/cgen.h ${INCLUDEDIR}/core_func.h ${INCLUDEDIR}/AST.h ${INCLUDEDIR}/symtab.h ${INCLUDEDIR}/template.h
	$(CXX) $(CXXFLAGS) -c $(SRCDIR)/cgen.cc -o $(BUILDDIR)/cgen.o

# Compile semant.o
$(BUILDDIR)/semant.o: $(SRCDIR)/semant.cc $(BUILDDIR)/parser.tab.h ${INCLUDEDIR}/core_func.h ${INCLUDEDIR}/semant.h ${INCLUDEDIR}/AST.h ${INCLUDEDIR}/symtab.h
	$(CXX) $(CXXFLAGS) -c $(SRCDIR)/semant.cc -o $(BUILDDIR)/semant.o

# Compile core_func.o
$(BUILDDIR)/core_func.o: $(SRCDIR)/core_func.cc ${INCLUDEDIR}/core_func.h ${INCLUDEDIR}/semant.h ${INCLUDEDIR}/symtab.h
	$(CXX) $(CXXFLAGS) -c $(SRCDIR)/core_func.cc -o $(BUILDDIR)/core_func.o

# Compile symtab.o
$(BUILDDIR)/symtab.o: $(SRCDIR)/symtab.cc ${INCLUDEDIR}/symtab.h
	$(CXX) $(CXXFLAGS) -c $(SRCDIR)/symtab.cc -o $(BUILDDIR)/symtab.o

# Compile util.o
$(BUILDDIR)/util.o: $(SRCDIR)/util.cc $(BUILDDIR)/parser.tab.h ${INCLUDEDIR}/AST.h ${INCLUDEDIR}/symtab.h
	$(CXX) $(CXXFLAGS) -c $(SRCDIR)/util.cc -o $(BUILDDIR)/util.o

# Generate and compile lexer
$(BUILDDIR)/lexer.o: $(SRCDIR)/lexer.l $(BUILDDIR)/parser.tab.h
	$(FLEX) -o $(BUILDDIR)/lexer.yy.cc $(SRCDIR)/lexer.l
	$(CXX) $(CXXFLAGS) -c $(BUILDDIR)/lexer.yy.cc -o $(BUILDDIR)/lexer.o

# Compile parser
$(BUILDDIR)/parser.o: $(BUILDDIR)/parser.tab.h $(BUILDDIR)/parser.tab.cc ${INCLUDEDIR}/AST.h ${INCLUDEDIR}/symtab.h ${INCLUDEDIR}/util.h
	$(CXX) $(CXXFLAGS) -c $(BUILDDIR)/parser.tab.cc -o $(BUILDDIR)/parser.o

# Generate parser from Bison grammar
$(BUILDDIR)/parser.tab.h $(BUILDDIR)/parser.tab.cc: $(SRCDIR)/parser.y
	@mkdir -p $(BUILDDIR)
	@echo "Generating parser from parser.y..."
	$(BISON) $(BISONFLAGS) $(SRCDIR)/parser.y
	mv y.tab.c $(BUILDDIR)/parser.tab.cc
	mv y.tab.h $(BUILDDIR)/parser.tab.h
	@echo "Parser generated: $(BUILDDIR)/parser.tab.{h,cc}"

# Clean build artifacts
clean:
	@echo "Cleaning build artifacts..."
	rm -rf $(BUILDDIR)
	rm -f *.py
	@echo "Clean complete"

# ==============================================================================
# Help Target
# ==============================================================================
help:
	@echo "\nSaytring Compiler Makefile Help"
	@echo "================================"
	@echo ""
	@echo "Available targets:"
	@echo "  all/build    - Build the compiler (default)"
	@echo "  clean        - Remove all build artifacts"
	@echo "  help         - Show this help message"
	@echo ""
	@echo "Build directory: $(BUILDDIR)"
	@echo "Source directory: $(SRCDIR)"
	@echo "Target executable: $(BUILDDIR)/$(TARGET)"
	@echo ""
	@echo "Usage examples:"
	@echo "  make           # Build everything"
	@echo "  make clean     # Clean build artifacts"
	@echo "  make help      # Show this help"