# The MIT License (MIT)
#
# Copyright (C) 2026 Scott Duensing
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

# DVX BASIC Makefile for DJGPP cross-compilation
#
# Builds:
#   basrt.lib    -- BASIC runtime library (VM + values + dlregsym init)
#   dvxbasic.app -- BASIC IDE (compiler + UI, links against basrt.lib)
#
# The runtime is a separate library so compiled BASIC apps can use
# it without including the compiler. The library's constructor calls
# dlregsym() to register its exports, making them available to DXEs
# loaded later (apps, widgets, etc.).

DJGPP_PREFIX  = $(HOME)/djgpp/djgpp
CC            = $(DJGPP_PREFIX)/bin/i586-pc-msdosdjgpp-gcc
DXE3GEN       = PATH=$(DJGPP_PREFIX)/bin:$(PATH) DJDIR=$(DJGPP_PREFIX)/i586-pc-msdosdjgpp $(DJGPP_PREFIX)/i586-pc-msdosdjgpp/bin/dxe3gen
CFLAGS        = -O2 -Wall -Wextra -Werror -Wno-type-limits -Wno-sign-compare -Wno-format-truncation -march=i486 -mtune=i586 -I../../../libs/kpunch/libdvx -I../../../libs/kpunch/libdvx/platform -I../../../widgets/kpunch -I../../../libs/kpunch/dvxshell -I../../../libs/kpunch/libtasks -I../../../libs/kpunch/libdvx/thirdparty -I.

OBJDIR  = ../../../../obj/dvxbasic
LIBSDIR = ../../../../bin/libs
APPDIR  = ../../../../bin/apps/kpunch/dvxbasic
HOSTDIR = ../../../../bin/host
DVXRES  = $(HOSTDIR)/dvxres

# Runtime library objects (VM + values + form runtime + serialization)
RT_OBJS = $(OBJDIR)/vm.o $(OBJDIR)/values.o $(OBJDIR)/formrt.o $(OBJDIR)/frmParser.o $(OBJDIR)/serialize.o
RT_TARGETDIR = $(LIBSDIR)/kpunch/basrt
RT_TARGET    = $(RT_TARGETDIR)/basrt.lib

# Compiler objects (only needed by the IDE)
COMP_OBJS = $(OBJDIR)/lexer.o $(OBJDIR)/parser.o $(OBJDIR)/codegen.o $(OBJDIR)/symtab.o $(OBJDIR)/strip.o $(OBJDIR)/obfuscate.o $(OBJDIR)/compact.o $(OBJDIR)/basBuild.o

# IDE app objects
IDE_OBJS = $(OBJDIR)/ideMain.o $(OBJDIR)/ideDesigner.o $(OBJDIR)/ideMenuEditor.o $(OBJDIR)/ideProject.o $(OBJDIR)/ideToolbox.o $(OBJDIR)/ideProperties.o
APP_OBJS = $(IDE_OBJS)
APP_TARGET = $(APPDIR)/dvxbasic.app

# Standalone stub (embedded as IDE resource)
STUB_OBJS = $(OBJDIR)/basstub.o
STUB_TARGET = $(OBJDIR)/basstub.app

# Native test programs (host gcc, not cross-compiled)
HOSTCC     = gcc
HOSTCFLAGS = -O2 -Wall -Wextra -Wno-type-limits -Wno-sign-compare -D_GNU_SOURCE -I. -I../../../libs/kpunch/libdvx -I../../../libs/kpunch/libdvx/platform -I../../../libs/kpunch/libdvx/thirdparty

TEST_COMPILER = $(HOSTDIR)/test_compiler
TEST_VM       = $(HOSTDIR)/test_vm
TEST_LEX      = $(HOSTDIR)/test_lex
TEST_QUICK    = $(HOSTDIR)/test_quick
TEST_COMPACT  = $(HOSTDIR)/test_compact
TEST_SUITE    = $(HOSTDIR)/test_suite

STB_DS_IMPL        = ../../../libs/kpunch/libdvx/thirdparty/stb_ds_impl.c
PLATFORM_UTIL     = ../../../libs/kpunch/libdvx/platform/dvxPlatformUtil.c
TEST_COMPILER_SRCS = test_compiler.c compiler/lexer.c compiler/parser.c compiler/codegen.c compiler/symtab.c runtime/vm.c runtime/values.c runtime/serialize.c $(PLATFORM_UTIL) $(STB_DS_IMPL)
TEST_VM_SRCS       = test_vm.c runtime/vm.c runtime/values.c runtime/serialize.c $(PLATFORM_UTIL) $(STB_DS_IMPL)
TEST_LEX_SRCS      = test_lex.c compiler/lexer.c
TEST_QUICK_SRCS    = test_quick.c compiler/lexer.c compiler/parser.c compiler/codegen.c compiler/symtab.c runtime/vm.c runtime/values.c runtime/serialize.c $(PLATFORM_UTIL) $(STB_DS_IMPL)
TEST_COMPACT_SRCS  = test_compact.c compiler/lexer.c compiler/parser.c compiler/codegen.c compiler/symtab.c compiler/strip.c compiler/compact.c runtime/vm.c runtime/values.c runtime/serialize.c $(PLATFORM_UTIL) $(STB_DS_IMPL)
TEST_SUITE_SRCS    = test_suite.c compiler/lexer.c compiler/parser.c compiler/codegen.c compiler/symtab.c runtime/vm.c runtime/values.c runtime/serialize.c $(PLATFORM_UTIL) $(STB_DS_IMPL)

# Command-line compiler (host tool)
BASCOMP_SRCS   = stub/bascomp.c basBuild.c compiler/lexer.c compiler/parser.c compiler/codegen.c compiler/symtab.c compiler/strip.c compiler/obfuscate.c compiler/compact.c runtime/vm.c runtime/values.c runtime/serialize.c ../../../libs/kpunch/libdvx/dvxPrefs.c ../../../libs/kpunch/libdvx/dvxResource.c $(PLATFORM_UTIL) $(STB_DS_IMPL)
BASCOMP_TARGET = $(HOSTDIR)/bascomp

# DOS command-line compiler
DOSCC       = $(DJGPP_PREFIX)/bin/i586-pc-msdosdjgpp-gcc
DOSCFLAGS   = -O2 -Wall -Wextra -Werror -Wno-type-limits -Wno-sign-compare -Wno-format-truncation -march=i486 -mtune=i586 -I../../../libs/kpunch/libdvx -I../../../libs/kpunch/libdvx/platform -I../../../libs/kpunch/libdvx/thirdparty -I.
EXE2COFF    = $(DJGPP_PREFIX)/i586-pc-msdosdjgpp/bin/exe2coff
CWSDSTUB    = $(DJGPP_PREFIX)/i586-pc-msdosdjgpp/bin/CWSDSTUB.EXE
SYSTEMDIR   = ../../../../bin/system

.PHONY: all clean tests

all: $(RT_TARGET) $(RT_TARGETDIR)/basrt.dep $(STUB_TARGET) $(APP_TARGET) $(BASCOMP_TARGET) $(SYSTEMDIR)/BASCOMP.EXE

# Run every built harness and fail the build if any returns non-zero.
# test_vm/test_lex/test_quick are inspection harnesses with no pass/fail
# of their own, so they run output-suppressed purely for crash detection;
# test_compiler, test_compact and test_suite each report a failure count
# and return non-zero on failure.  make stops at the first one that fails.
tests: $(TEST_COMPILER) $(TEST_VM) $(TEST_LEX) $(TEST_QUICK) $(TEST_COMPACT) $(TEST_SUITE)
	$(TEST_VM) > /dev/null
	$(TEST_LEX) > /dev/null
	$(TEST_QUICK) > /dev/null
	$(TEST_COMPILER)
	$(TEST_COMPACT)
	$(TEST_SUITE)

$(TEST_COMPILER): $(TEST_COMPILER_SRCS) | $(HOSTDIR)
	$(HOSTCC) $(HOSTCFLAGS) -o $@ $(TEST_COMPILER_SRCS) -lm

$(TEST_SUITE): $(TEST_SUITE_SRCS) | $(HOSTDIR)
	$(HOSTCC) $(HOSTCFLAGS) -o $@ $(TEST_SUITE_SRCS) -lm

$(TEST_VM): $(TEST_VM_SRCS) | $(HOSTDIR)
	$(HOSTCC) $(HOSTCFLAGS) -o $@ $(TEST_VM_SRCS) -lm

$(TEST_LEX): $(TEST_LEX_SRCS) | $(HOSTDIR)
	$(HOSTCC) $(HOSTCFLAGS) -w -o $@ $(TEST_LEX_SRCS) -lm

$(TEST_QUICK): $(TEST_QUICK_SRCS) | $(HOSTDIR)
	$(HOSTCC) $(HOSTCFLAGS) -o $@ $(TEST_QUICK_SRCS) -lm

$(TEST_COMPACT): $(TEST_COMPACT_SRCS) | $(HOSTDIR)
	$(HOSTCC) $(HOSTCFLAGS) -o $@ $(TEST_COMPACT_SRCS) -lm

# Host command-line compiler -- basstub.app is appended as a STUB
# resource so bascomp is self-contained (no BASSTUB.APP companion file).
$(BASCOMP_TARGET): $(BASCOMP_SRCS) $(STUB_TARGET) | $(HOSTDIR)
	$(HOSTCC) $(HOSTCFLAGS) -DBASCOMP_STANDALONE -I../../../tools -o $@ $(BASCOMP_SRCS) -lm
	$(DVXRES) add $@ STUB binary @$(STUB_TARGET)

# DOS command-line compiler (same STUB embed as the host build)
$(SYSTEMDIR)/BASCOMP.EXE: $(BASCOMP_SRCS) $(STUB_TARGET) | $(SYSTEMDIR)
	$(DOSCC) $(DOSCFLAGS) -DBASCOMP_STANDALONE -I../../../tools -o $(SYSTEMDIR)/bascomp.exe $(BASCOMP_SRCS) -lm
	$(EXE2COFF) $(SYSTEMDIR)/bascomp.exe
	cat $(CWSDSTUB) $(SYSTEMDIR)/bascomp > $@
	rm -f $(SYSTEMDIR)/bascomp $(SYSTEMDIR)/bascomp.exe
	$(DVXRES) add $@ STUB binary @$(STUB_TARGET)

$(HOSTDIR):
	mkdir -p $(HOSTDIR)

$(SYSTEMDIR):
	mkdir -p $(SYSTEMDIR)

# Runtime library DXE (exports symbols via dlregsym constructor)
$(RT_TARGET): $(RT_OBJS) | $(RT_TARGETDIR)
	$(DXE3GEN) -o $(RT_TARGETDIR)/basrt.dxe -U $(RT_OBJS)
	mv $(RT_TARGETDIR)/basrt.dxe $@

$(RT_TARGETDIR)/basrt.dep: basrt.dep | $(RT_TARGETDIR)
	sed 's/$$/\r/' $< > $@

# Standalone stub DXE (embedded as resource in IDE app)
$(STUB_TARGET): $(STUB_OBJS) | $(APPDIR)
	$(DXE3GEN) -o $@ -U $(STUB_OBJS)

# IDE app DXE (compiler linked in, runtime from basrt.lib, stub embedded)
$(APP_TARGET): $(COMP_OBJS) $(APP_OBJS) $(STUB_TARGET) dvxbasic.res | $(APPDIR)
	$(DXE3GEN) -o $@ -U $(COMP_OBJS) $(APP_OBJS)
	$(DVXRES) build $@ dvxbasic.res
	$(DVXRES) add $@ STUB binary @$(STUB_TARGET)


# Object files
$(OBJDIR)/codegen.o: compiler/codegen.c compiler/codegen.h compiler/symtab.h compiler/opcodes.h runtime/values.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/formrt.o: formrt/formrt.c formrt/formrt.h formrt/frmParser.h compiler/opcodes.h runtime/vm.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/frmParser.o: formrt/frmParser.c formrt/frmParser.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/serialize.o: runtime/serialize.c runtime/serialize.h runtime/vm.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/strip.o: compiler/strip.c compiler/strip.h compiler/opcodes.h runtime/vm.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/obfuscate.o: compiler/obfuscate.c compiler/obfuscate.h runtime/vm.h runtime/values.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/compact.o: compiler/compact.c compiler/compact.h compiler/opcodes.h runtime/vm.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/basBuild.o: basBuild.c basBuild.h basRes.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/basstub.o: stub/basstub.c runtime/vm.h runtime/serialize.h formrt/formrt.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/ideDesigner.o: ide/ideDesigner.c ide/ideDesigner.h formrt/frmParser.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/ideMenuEditor.o: ide/ideMenuEditor.c ide/ideMenuEditor.h ide/ideDesigner.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/ideMain.o: ide/ideMain.c ide/ideDesigner.h ide/ideMenuEditor.h ide/ideProject.h ide/ideToolbox.h ide/ideProperties.h compiler/parser.h runtime/vm.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/ideProject.o: ide/ideProject.c ide/ideProject.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/ideProperties.o: ide/ideProperties.c ide/ideProperties.h ide/ideDesigner.h formrt/frmParser.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/ideToolbox.o: ide/ideToolbox.c ide/ideToolbox.h ide/ideDesigner.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/lexer.o: compiler/lexer.c compiler/lexer.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/parser.o: compiler/parser.c compiler/parser.h compiler/lexer.h compiler/codegen.h compiler/symtab.h compiler/opcodes.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/symtab.o: compiler/symtab.c compiler/symtab.h compiler/opcodes.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/values.o: runtime/values.c runtime/values.h compiler/opcodes.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/vm.o: runtime/vm.c runtime/vm.h runtime/values.h compiler/opcodes.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

# Directories
$(OBJDIR):
	mkdir -p $(OBJDIR)

$(LIBSDIR):
	mkdir -p $(LIBSDIR)

$(RT_TARGETDIR):
	mkdir -p $(RT_TARGETDIR)

$(APPDIR):
	mkdir -p $(APPDIR)

clean:
	rm -rf $(RT_OBJS) $(COMP_OBJS) $(IDE_OBJS) $(STUB_OBJS) $(RT_TARGET) $(APP_TARGET) $(STUB_TARGET) $(BASCOMP_TARGET) $(RT_TARGETDIR)/basrt.dep $(RT_TARGETDIR) $(OBJDIR)/basrt_init.o
	rm -f $(TEST_COMPILER) $(TEST_VM) $(TEST_LEX) $(TEST_QUICK) $(TEST_COMPACT)
