added hawkgo.go

bin/Makefile.am

@@ -37,3 +37,56 @@ hawk_LDFLAGS = $(LDFLAGS_COMMON)
 ## of different behavior depending on the libtool tag.
 ##
 hawk_LDADD = $(LIBADD_COMMON) $(LIBM)
+
+
+
+if ENABLE_HAWKGO
+
+## the attempt to compose a proper procedure using a regular compiler failed.
+## e.g ./configure GOC=opt/go/pkg/tool/linux_amd64/
+## while go.m4 is included in autoconf 2.71, the support for the go language
+## is very limited and the go language itself is pursuing the module based builder.
+##
+## the following is to trick autoconf/automake as if it's building go files with
+## a real compiler whereas the actual building is done thru `go build`
+
+bin_PROGRAMS += hawkgo
+hawkgo_SOURCES = \
+	../go.mod \
+	../hawk.go \
+	../hawk-inst.go \
+	hawkgo.go
+##hawkgo_DEPENDENCIES = 
+
+## let the linker to move hawkgo.bin to the actual target
+##hawkgo_LINK = mv -f hawkgo.bin hawkgo$(EXEEXT) || echo "FAILED TO LINK"
+hawkgo_LINK =
+
+if ENABLE_STATIC
+CGO_CFLAGS_ADD="-static"
+CGO_LDFLAGS_ADD="-static"
+else
+CGO_CFLAGS_ADD=""
+CGO_LDFLAGS_ADD=""
+endif
+
+hawkgo$(EXEEXT): ../lib/libhawk.la $(hawkgo_OBJECTS)
+	cp -pf $(top_srcdir)/go.mod $(builddir)/go.mod >/dev/null 2>&1 || true
+	chmod u+w $(builddir)/go.mod ## with `make distcheck`, the echo's redirection to the file fails without this permission change
+	[ -f $(srcdir)/go.sum ] && cp -pf $(srcdir)/go.sum $(builddir)/go.sum >/dev/null 2>&1 || true
+	## ---------------------------------------------------------------
+	CC=$(CC) \
+	CGO_CFLAGS="-I$(abs_top_srcdir)/lib -I$(abs_top_builddir)/lib $(CFLAGS) $(CGO_CFLAGS_EXTRA) $(CGO_CFLAGS_ADD)" \
+	CGO_LDFLAGS="-L$(abs_top_builddir)/lib -L$(abs_top_builddir)/lib/.libs -lhawk -ldl $(LIBM) $(CGO_LDFLAGS_EXTRA) $(CGO_LDFLAGS_ADD)"  \
+	go build -C $(srcdir) -ldflags "-X 'main.BINDIR=$(bindir)' -X 'main.SBINDIR=$(sbindir)' -X 'main.LIBDIR=$(libdir)' -X 'main.SYSCONFDIR=$(sysconfdir)'" -x -o $(abs_builddir)/$@ -modfile $(abs_builddir)/go.mod  $(abs_srcdir)/hawkgo.go
+	## ---------------------------------------------------------------
+	go clean -C $(srcdir) -x -modfile $(abs_builddir)/go.mod
+
+## the go to o recipe is fake to deceive make
+.go.o:
+	echo $< > $@
+
+.mod.o:
+	echo $< > $@
+
+endif

bin/Makefile.in

@@ -90,7 +90,8 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
-bin_PROGRAMS = hawk$(EXEEXT)
+bin_PROGRAMS = hawk$(EXEEXT) $(am__EXEEXT_1)
+@ENABLE_HAWKGO_TRUE@am__append_1 = hawkgo
 subdir = bin
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
@@ -109,6 +110,7 @@ mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = $(top_builddir)/lib/hawk-cfg.h
 CONFIG_CLEAN_FILES =
 CONFIG_CLEAN_VPATH_FILES =
+@ENABLE_HAWKGO_TRUE@am__EXEEXT_1 = hawkgo$(EXEEXT)
 am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
 am_hawk_OBJECTS = hawk-cut.$(OBJEXT) hawk-hawk.$(OBJEXT) \
@@ -123,6 +125,14 @@ am__v_lt_1 =
 hawk_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(hawk_CFLAGS) $(CFLAGS) \
 	$(hawk_LDFLAGS) $(LDFLAGS) -o $@
+am__hawkgo_SOURCES_DIST = ../go.mod ../hawk.go ../hawk-inst.go \
+	hawkgo.go
+am__dirstamp = $(am__leading_dot)dirstamp
+@ENABLE_HAWKGO_TRUE@am_hawkgo_OBJECTS = ../go.$(OBJEXT) \
+@ENABLE_HAWKGO_TRUE@	../hawk.$(OBJEXT) ../hawk-inst.$(OBJEXT) \
+@ENABLE_HAWKGO_TRUE@	hawkgo.$(OBJEXT)
+hawkgo_OBJECTS = $(am_hawkgo_OBJECTS)
+hawkgo_LDADD = $(LDADD)
 AM_V_P = $(am__v_P_@AM_V@)
 am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
 am__v_P_0 = false
@@ -159,8 +169,8 @@ AM_V_CCLD = $(am__v_CCLD_@AM_V@)
 am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
 am__v_CCLD_0 = @echo "  CCLD    " $@;
 am__v_CCLD_1 = 
-SOURCES = $(hawk_SOURCES)
-DIST_SOURCES = $(hawk_SOURCES)
+SOURCES = $(hawk_SOURCES) $(hawkgo_SOURCES)
+DIST_SOURCES = $(hawk_SOURCES) $(am__hawkgo_SOURCES_DIST)
 am__can_run_installinfo = \
   case $$AM_UPDATE_INFO_DIR in \
     n|no|NO) false;; \
@@ -361,10 +371,21 @@ hawk_CPPFLAGS = $(CPPFLAGS_COMMON)
 hawk_CFLAGS = $(CFLAGS_COMMON)
 hawk_LDFLAGS = $(LDFLAGS_COMMON)
 hawk_LDADD = $(LIBADD_COMMON) $(LIBM)
+@ENABLE_HAWKGO_TRUE@hawkgo_SOURCES = \
+@ENABLE_HAWKGO_TRUE@	../go.mod \
+@ENABLE_HAWKGO_TRUE@	../hawk.go \
+@ENABLE_HAWKGO_TRUE@	../hawk-inst.go \
+@ENABLE_HAWKGO_TRUE@	hawkgo.go
+
+@ENABLE_HAWKGO_TRUE@hawkgo_LINK = 
+@ENABLE_HAWKGO_TRUE@@ENABLE_STATIC_FALSE@CGO_CFLAGS_ADD = ""
+@ENABLE_HAWKGO_TRUE@@ENABLE_STATIC_TRUE@CGO_CFLAGS_ADD = "-static"
+@ENABLE_HAWKGO_TRUE@@ENABLE_STATIC_FALSE@CGO_LDFLAGS_ADD = ""
+@ENABLE_HAWKGO_TRUE@@ENABLE_STATIC_TRUE@CGO_LDFLAGS_ADD = "-static"
 all: all-am
 
 .SUFFIXES:
-.SUFFIXES: .c .lo .o .obj
+.SUFFIXES: .c .go .lo .mod .o .obj
 $(srcdir)/Makefile.in:  $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
 	  case '$(am__configure_deps)' in \
@@ -442,9 +463,24 @@ clean-binPROGRAMS:
 hawk$(EXEEXT): $(hawk_OBJECTS) $(hawk_DEPENDENCIES) $(EXTRA_hawk_DEPENDENCIES) 
 	@rm -f hawk$(EXEEXT)
 	$(AM_V_CCLD)$(hawk_LINK) $(hawk_OBJECTS) $(hawk_LDADD) $(LIBS)
+../$(am__dirstamp):
+	@$(MKDIR_P) ..
+	@: >>../$(am__dirstamp)
+../$(DEPDIR)/$(am__dirstamp):
+	@$(MKDIR_P) ../$(DEPDIR)
+	@: >>../$(DEPDIR)/$(am__dirstamp)
+../go.$(OBJEXT): ../$(am__dirstamp) ../$(DEPDIR)/$(am__dirstamp)
+../hawk.$(OBJEXT): ../$(am__dirstamp) ../$(DEPDIR)/$(am__dirstamp)
+../hawk-inst.$(OBJEXT): ../$(am__dirstamp) \
+	../$(DEPDIR)/$(am__dirstamp)
+
+@ENABLE_HAWKGO_FALSE@hawkgo$(EXEEXT): $(hawkgo_OBJECTS) $(hawkgo_DEPENDENCIES) $(EXTRA_hawkgo_DEPENDENCIES) 
+@ENABLE_HAWKGO_FALSE@	@rm -f hawkgo$(EXEEXT)
+@ENABLE_HAWKGO_FALSE@	$(AM_V_GEN)$(hawkgo_LINK) $(hawkgo_OBJECTS) $(hawkgo_LDADD) $(LIBS)
 
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
+	-rm -f ../*.$(OBJEXT)
 
 distclean-compile:
 	-rm -f *.tab.c
@@ -664,6 +700,8 @@ clean-generic:
 distclean-generic:
 	-$(am__rm_f) $(CONFIG_CLEAN_FILES)
 	-test . = "$(srcdir)" || $(am__rm_f) $(CONFIG_CLEAN_VPATH_FILES)
+	-$(am__rm_f) ../$(DEPDIR)/$(am__dirstamp)
+	-$(am__rm_f) ../$(am__dirstamp)
 
 maintainer-clean-generic:
 	@echo "This command is intended for maintainers to use"
@@ -763,6 +801,22 @@ uninstall-am: uninstall-binPROGRAMS
 .PRECIOUS: Makefile
 
 
+@ENABLE_HAWKGO_TRUE@hawkgo$(EXEEXT): ../lib/libhawk.la $(hawkgo_OBJECTS)
+@ENABLE_HAWKGO_TRUE@	cp -pf $(top_srcdir)/go.mod $(builddir)/go.mod >/dev/null 2>&1 || true
+@ENABLE_HAWKGO_TRUE@	chmod u+w $(builddir)/go.mod ## with `make distcheck`, the echo's redirection to the file fails without this permission change
+@ENABLE_HAWKGO_TRUE@	[ -f $(srcdir)/go.sum ] && cp -pf $(srcdir)/go.sum $(builddir)/go.sum >/dev/null 2>&1 || true
+@ENABLE_HAWKGO_TRUE@	CC=$(CC) \
+@ENABLE_HAWKGO_TRUE@	CGO_CFLAGS="-I$(abs_top_srcdir)/lib -I$(abs_top_builddir)/lib $(CFLAGS) $(CGO_CFLAGS_EXTRA) $(CGO_CFLAGS_ADD)" \
+@ENABLE_HAWKGO_TRUE@	CGO_LDFLAGS="-L$(abs_top_builddir)/lib -L$(abs_top_builddir)/lib/.libs -lhawk -ldl $(LIBM) $(CGO_LDFLAGS_EXTRA) $(CGO_LDFLAGS_ADD)"  \
+@ENABLE_HAWKGO_TRUE@	go build -C $(srcdir) -ldflags "-X 'main.BINDIR=$(bindir)' -X 'main.SBINDIR=$(sbindir)' -X 'main.LIBDIR=$(libdir)' -X 'main.SYSCONFDIR=$(sysconfdir)'" -x -o $(abs_builddir)/$@ -modfile $(abs_builddir)/go.mod  $(abs_srcdir)/hawkgo.go
+@ENABLE_HAWKGO_TRUE@	go clean -C $(srcdir) -x -modfile $(abs_builddir)/go.mod
+
+@ENABLE_HAWKGO_TRUE@.go.o:
+@ENABLE_HAWKGO_TRUE@	echo $< > $@
+
+@ENABLE_HAWKGO_TRUE@.mod.o:
+@ENABLE_HAWKGO_TRUE@	echo $< > $@
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
 .NOEXPORT:

bin/hawkgo.go

@@ -0,0 +1,72 @@
+package main
+
+import "hawk"
+import "fmt"
+import "os"
+import "runtime"
+import "runtime/debug"
+//import "sync"
+import "time"
+
+func exit_with_error(msg string, err error) {
+	fmt.Printf("ERROR: %s - %s\n", msg, err.Error())
+	os.Exit(1)
+}
+
+func make_hawk(script string) (*hawk.Hawk, error) {
+	var h *hawk.Hawk
+	var err error
+
+	h, err = hawk.New()
+	if err != nil { return nil, err }
+
+	err = h.ParseText(script)
+	if err != nil {
+		h.Close()
+		return nil, err
+	}
+
+	return h, nil
+}
+
+func main() {
+	var h *hawk.Hawk
+	var rtx *hawk.Rtx
+	var err error
+
+	debug.SetGCPercent(100) // enable normal GC
+
+	fmt.Printf ("BEGINNING OF TEST3\n")
+
+	h, err = make_hawk(`function main(s) {
+print enbase64(s, "hello", 1.289);
+print debase64(s);
+return x
+}`)
+	if err != nil {
+		fmt.Printf("ERROR: failed to make hawk - %s\n", err.Error())
+		return
+	}
+
+	rtx, err = h.NewRtx("test3")
+	if err != nil {
+		//
+	} else  {
+		var v *hawk.Val
+
+		v, err = rtx.Call("main", hawk.Must(rtx.NewValFromStr("this is a test3 string")))
+		if err != nil {
+			//
+		} else {
+			fmt.Printf("V=>[%v]\n", v.String())
+		}
+	}
+
+	h.Close()
+	fmt.Printf ("END OF TEST3\n")
+
+	runtime.GC()
+	runtime.Gosched()
+	time.Sleep(1000 * time.Millisecond) // give finalizer time to print
+}
+