implemented a few list manipulation procedures
This commit is contained in:
parent
55441b4451
commit
f970a410fd
3
configure
vendored
3
configure
vendored
@ -2519,7 +2519,7 @@ else
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fi
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ac_config_files="$ac_config_files Makefile lib/Makefile lib/lib.gpr lib/libh2.gpr cmd/Makefile cmd/scheme.gpr"
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ac_config_files="$ac_config_files Makefile lib/Makefile lib/GNUmakefile lib/lib.gpr lib/libh2.gpr cmd/Makefile cmd/scheme.gpr"
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cat >confcache <<\_ACEOF
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# This file is a shell script that caches the results of configure
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@ -3240,6 +3240,7 @@ do
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case $ac_config_target in
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"Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
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"lib/Makefile") CONFIG_FILES="$CONFIG_FILES lib/Makefile" ;;
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"lib/GNUmakefile") CONFIG_FILES="$CONFIG_FILES lib/GNUmakefile" ;;
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"lib/lib.gpr") CONFIG_FILES="$CONFIG_FILES lib/lib.gpr" ;;
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"lib/libh2.gpr") CONFIG_FILES="$CONFIG_FILES lib/libh2.gpr" ;;
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"cmd/Makefile") CONFIG_FILES="$CONFIG_FILES cmd/Makefile" ;;
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@ -16,6 +16,7 @@ fi
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AC_CONFIG_FILES([
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Makefile
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lib/Makefile
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lib/GNUmakefile
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lib/lib.gpr
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lib/libh2.gpr
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cmd/Makefile
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80
lib/GNUmakefile.in
Normal file
80
lib/GNUmakefile.in
Normal file
@ -0,0 +1,80 @@
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all: libh2
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install: install-exec install-data
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install-data:
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install-exec:
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uninstall:
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@abs_builddir@/@ADA_OBJDIR@:
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mkdir -p @abs_builddir@/@ADA_OBJDIR@
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clean:
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rm -rf @abs_builddir@/@ADA_OBJDIR@
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rm -f @abs_builddir@/*.ali
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rm -f @abs_builddir@/*.so
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rm -f @abs_builddir@/*.a
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rm -f @abs_builddir@/*.cgpr
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distclean: clean
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ADAC := $(CC)
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ADAFLAGS := -x ada -gnatA -fPIC -gnata -gnato -gnatN -gnatwl -lgnat95 -gnatW8 -g
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BINDFLAGS := -x -shared -n -Lh2
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SRCS := h2.ads h2-ascii.ads h2-pool.adb h2-scheme.adb h2-utf8.adb h2-wide.ads
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ALIS := $(patsubst %.ads,%.ali,$(patsubst %.adb,%.ali,$(SRCS)))
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OBJS := $(ALIS:.ali=.o)
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BINDALI := b~h2.adb
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libh2: $(ALIS) $(BINDALI)
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gnatbind ${BINDFLAGS} -o b~h2.adb $(ALIS)
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$(ADAC) ${ADAFLAGS} -c b~h2.adb
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$(ADAC) -shared -o libh2.so $(OBJS) b~h2.o -L. -lgnat
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# gcc -c -x ada ${ADAFLAGS} ../../lib/h2.ads
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# gcc -c -x ada ${ADAFLAGS} ../../lib/h2-ascii.ads
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# gcc -c -x ada ${ADAFLAGS} ../../lib/h2-pool.adb
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# gcc -c -x ada ${ADAFLAGS} ../../lib/h2-scheme.adb
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# gcc -c -x ada ${ADAFLAGS} ../../lib/h2-utf8.adb
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# gcc -c -x ada ${ADAFLAGS} ../../lib/h2-wide.ads
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# gnatbind ${BINDFLAGS} -o b~h2.adb -n -Lh2 h2.ali h2-ascii.ali h2-pool.ali h2-scheme.ali h2-utf8.ali h2-wide.ali
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# #gnatbind ${BINDFLAGS} -C -o b~h2.c -n -Lh2 h2.ali h2-scheme.ali h2-pool.ali #for a show
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# gcc -c -x ada ${ADAFLAGS} b~h2.adb
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# gcc -shared -o libh2.so h2.o h2-ascii.o h2-pool.o h2-scheme.o h2-utf8.o h2-wide.o b~h2.o -L. -lgnat
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# #gnatlink -v -v -olibh2.so h2
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#h2cmd:
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# gcc -c -x ada ${ADAFLAGS} -I../../lib ../../cmd/storage.adb
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# gcc -c -x ada ${ADAFLAGS} -I../../lib ../../cmd/stream.adb
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# gcc -c -x ada ${ADAFLAGS} -I../../lib ../../cmd/scheme.adb
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# gnatbind ${BINDFLAGS} -o b~scheme.adb scheme.ali storage.ali #-I- -I. -O
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# gcc -c -x ada ${ADAFLAGS} b~scheme.adb
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# gcc -oh2scm b~scheme.o storage.o stream.o scheme.o -L. -lh2 -Wl,-rpath=. #-lgnat-4.1
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# #gnatlink -v -v -o h2scm scheme
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# #/usr/bin/gnatbind -x -shared -o b__scheme.adb ./scheme.ali ./storage.ali -I- -I. -I../lib/objdir -O
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# #gcc -c -x ada -gnatA -gnata -gnato -gnatN -gnatwl -c -gnatA -gnatWb -gnatiw -gnatws b__scheme.adb -o b__scheme.o
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# #gcc -oh2scm scheme.o b__scheme.o storage.o -shared-libgcc -L../lib -lh2 -Wl,-rpath=../lib -L -lgna
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#.SUFFIXES: .ads .adb .ali
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#.ads.ali:
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# gcc -c -x ada ${ADAFLAGS} @abs_srcdir@/$<
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#
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#.adb.ali:
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# gcc -c -x ada ${ADAFLAGS} @abs_srcdir@/$<
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$(BINDALI):
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%.ali: @abs_srcdir@/%.adb
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$(ADAC) ${ADAFLAGS} -c $<
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%.ali: @abs_srcdir@/%.ads
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$(ADAC) ${ADAFLAGS} -c $<
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@ -24,8 +24,9 @@ clean:
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distclean: clean
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ADAFLAGS := -gnatA -fPIC -gnata -gnato -gnatN -gnatwl -lgnat95 -gnatW8 -g
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BINDFLAGS := -x -shared
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ADAC := $(CC)
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ADAFLAGS := -x ada -gnatA -fPIC -gnata -gnato -gnatN -gnatwl -lgnat95 -gnatW8 -g
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BINDFLAGS := -x -shared -n -Lh2
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SRCS := h2.ads h2-ascii.ads h2-pool.adb h2-scheme.adb h2-utf8.adb h2-wide.ads
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@ -35,9 +36,9 @@ OBJS := $(ALIS:.ali=.o)
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BINDALI := b~h2.adb
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libh2: $(ALIS) $(BINDALI)
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gnatbind ${BINDFLAGS} -o b~h2.adb -n -Lh2 $(ALIS)
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gcc -c -x ada ${ADAFLAGS} b~h2.adb
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gcc -shared -o libh2.so $(OBJS) b~h2.o -L. -lgnat
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gnatbind ${BINDFLAGS} -o b~h2.adb $(ALIS)
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$(ADAC) ${ADAFLAGS} -c b~h2.adb
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$(LD) -shared -o libh2.so $(OBJS) b~h2.o -L. -lgnat
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# gcc -c -x ada ${ADAFLAGS} ../../lib/h2.ads
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# gcc -c -x ada ${ADAFLAGS} ../../lib/h2-ascii.ads
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@ -75,8 +76,8 @@ libh2: $(ALIS) $(BINDALI)
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$(BINDALI):
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%.ali: @abs_srcdir@/%.adb
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gcc -c -x ada ${ADAFLAGS} $<
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$(ADAC) ${ADAFLAGS} -c $<
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%.ali: @abs_srcdir@/%.ads
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gcc -c -x ada ${ADAFLAGS} $<
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$(ADAC) ${ADAFLAGS} -c $<
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315
lib/h2-scheme-execute-apply.adb
Normal file
315
lib/h2-scheme-execute-apply.adb
Normal file
@ -0,0 +1,315 @@
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separate (H2.Scheme.Execute)
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procedure Apply is
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pragma Inline (Apply);
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Operand: aliased Object_Pointer;
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Func: aliased Object_Pointer;
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Args: aliased Object_Pointer;
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-- -------------------------------------------------------------
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-- List manipulation procedures
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-- -------------------------------------------------------------
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procedure Apply_Car_Procedure is
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Ptr: Object_Pointer := Args;
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A: Object_Pointer;
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begin
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if Ptr = Nil_Pointer or else Get_Cdr(Ptr) /= Nil_Pointer then
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Ada.Text_IO.Put ("WRONG NUMBER OF ARGUMETNS FOR CAR");
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raise Syntax_Error;
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end if;
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A := Get_Car(Ptr); -- the first argument
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, Get_Car(A));
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end Apply_Car_Procedure;
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procedure Apply_Cdr_Procedure is
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Ptr: Object_Pointer := Args;
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A: Object_Pointer;
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begin
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if Ptr = Nil_Pointer or else Get_Cdr(Ptr) /= Nil_Pointer then
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Ada.Text_IO.Put ("WRONG NUMBER OF ARGUMETNS FOR CDR");
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raise Syntax_Error;
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end if;
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A := Get_Car(Ptr); -- the first argument
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, Get_Cdr(A));
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end Apply_Cdr_Procedure;
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procedure Apply_Cons_Procedure is
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Ptr: Object_Pointer := Args;
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A: Object_Pointer;
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B: Object_Pointer;
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begin
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if Ptr = Nil_Pointer or else Get_Cdr(Ptr) = Nil_Pointer or else Get_Cdr(Get_Cdr(Ptr)) /= Nil_Pointer then
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Ada.Text_IO.Put ("WRONG NUMBER OF ARGUMETNS FOR CONS");
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raise Syntax_Error;
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end if;
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A := Get_Car(Ptr); -- the first argument
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B := Get_Car(Get_Cdr(Ptr)); -- the second argument
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Ptr := Make_Cons (Interp.Self, A, B); -- change car
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, Ptr);
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end Apply_Cons_Procedure;
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procedure Apply_Setcar_Procedure is
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Ptr: Object_Pointer := Args;
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A: Object_Pointer;
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B: Object_Pointer;
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begin
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if Ptr = Nil_Pointer or else Get_Cdr(Ptr) = Nil_Pointer or else Get_Cdr(Get_Cdr(Ptr)) /= Nil_Pointer then
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Ada.Text_IO.Put ("WRONG NUMBER OF ARGUMETNS FOR SET-CAR!");
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raise Syntax_Error;
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end if;
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A := Get_Car(Ptr); -- the first argument
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B := Get_Car(Get_Cdr(Ptr)); -- the second argument
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Set_Car (A, B); -- change car
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, A);
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end Apply_Setcar_Procedure;
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procedure Apply_Setcdr_Procedure is
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Ptr: Object_Pointer := Args;
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A: Object_Pointer;
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B: Object_Pointer;
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begin
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if Ptr = Nil_Pointer or else Get_Cdr(Ptr) = Nil_Pointer or else Get_Cdr(Get_Cdr(Ptr)) /= Nil_Pointer then
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Ada.Text_IO.Put ("WRONG NUMBER OF ARGUMETNS FOR SET-CDR!");
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raise Syntax_Error;
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end if;
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A := Get_Car(Ptr); -- the first argument
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B := Get_Car(Get_Cdr(Ptr)); -- the second argument
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Set_Cdr (A, B); -- change cdr
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, A);
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end Apply_Setcdr_Procedure;
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-- -------------------------------------------------------------
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-- Arithmetic procedures
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-- -------------------------------------------------------------
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procedure Apply_Add_Procedure is
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Ptr: Object_Pointer := Args;
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Num: Object_Integer := 0; -- TODO: support BIGNUM
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Car: Object_Pointer;
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begin
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while Ptr /= Nil_Pointer loop
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-- TODO: check if car is an integer or bignum or something else.
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-- if something else, error
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Car := Get_Car(Ptr);
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if not Is_Integer(Car) then
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Ada.Text_IO.Put ("NOT INTEGER FOR ADD"); Print (Interp, Car);
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raise Evaluation_Error;
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end if;
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Num := Num + Pointer_To_Integer(Car);
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Ptr := Get_Cdr(Ptr);
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end loop;
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, Integer_To_Pointer(Num));
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end Apply_Add_Procedure;
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procedure Apply_Subtract_Procedure is
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Ptr: Object_Pointer := Args;
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Num: Object_Integer := 0; -- TODO: support BIGNUM
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Car: Object_Pointer;
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begin
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if Ptr /= Nil_Pointer then
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Car := Get_Car(Ptr);
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if not Is_Integer(Car) then
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raise Evaluation_Error;
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end if;
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Num := Pointer_To_Integer(Car);
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while Ptr /= Nil_Pointer loop
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-- TODO: check if car is an integer or bignum or something else.
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-- if something else, error
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Car := Get_Car(Ptr);
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if not Is_Integer(Car) then
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raise Evaluation_Error;
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end if;
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Num := Num - Pointer_To_Integer(Car);
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Ptr := Get_Cdr(Ptr);
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end loop;
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end if;
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, Integer_To_Pointer(Num));
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end Apply_Subtract_Procedure;
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procedure Apply_Multiply_Procedure is
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Ptr: Object_Pointer := Args;
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Num: Object_Integer := 1; -- TODO: support BIGNUM
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Car: Object_Pointer;
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begin
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while Ptr /= Nil_Pointer loop
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-- TODO: check if car is an integer or bignum or something else.
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-- if something else, error
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Car := Get_Car(Ptr);
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if not Is_Integer(Car) then
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Ada.Text_IO.Put ("NOT INTEGER FOR MULTIPLY"); Print (Interp, Car);
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raise Evaluation_Error;
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end if;
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Num := Num * Pointer_To_Integer(Car);
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Ptr := Get_Cdr(Ptr);
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end loop;
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, Integer_To_Pointer(Num));
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end Apply_Multiply_Procedure;
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procedure Apply_Quotient_Procedure is
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Ptr: Object_Pointer := Args;
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Num: Object_Integer := 1; -- TODO: support BIGNUM
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Car: Object_Pointer;
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begin
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while Ptr /= Nil_Pointer loop
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-- TODO: check if car is an integer or bignum or something else.
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-- if something else, error
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Car := Get_Car(Ptr);
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if not Is_Integer(Car) then
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Ada.Text_IO.Put ("NOT INTEGER FOR MULTIPLY"); Print (Interp, Car);
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raise Evaluation_Error;
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end if;
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Num := Num * Pointer_To_Integer(Car);
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Ptr := Get_Cdr(Ptr);
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end loop;
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Pop_Frame (Interp); -- Done with the current frame
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Chain_Frame_Result (Interp, Interp.Stack, Integer_To_Pointer(Num));
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end Apply_Quotient_Procedure;
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procedure Apply_Closure is
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Fbody: aliased Object_Pointer;
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Param: aliased Object_Pointer;
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Arg: aliased Object_Pointer;
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begin
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Push_Top (Interp, Fbody'Unchecked_Access);
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Push_Top (Interp, Param'Unchecked_Access);
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Push_Top (Interp, Arg'Unchecked_Access);
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-- For a closure created of "(lambda (x y) (+ x y) (* x y))"
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-- Get_Closure_Code(Func) returns "((x y) (+ x y) (* x y))"
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-- Push a new environmen for the closure
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Interp.Environment := Make_Environment (Interp.Self, Get_Closure_Environment(Func));
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Fbody := Get_Closure_Code(Func);
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pragma Assert (Is_Cons(Fbody)); -- the reader must ensure this.
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Param := Get_Car(Fbody); -- Parameter list
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--Arg := Get_Car(Args); -- Actual argument list
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Arg := Args; -- Actual argument list
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Fbody := Get_Cdr (Fbody); -- Real function body
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pragma Assert (Is_Cons(Fbody)); -- the reader must ensure this as wel..
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while Is_Cons(Param) loop
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if not Is_Cons(Arg) then
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Ada.Text_IO.Put_Line (">>>> Too few arguments <<<<");
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raise Evaluation_Error;
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end if;
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-- Insert the key/value pair into the environment
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Set_Environment (Interp, Get_Car(Param), Get_Car(Arg));
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Param := Get_Cdr(Param);
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Arg := Get_Cdr(Arg);
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end loop;
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-- Perform cosmetic checks for the parameter list
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if Param /= Nil_Pointer then
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Ada.Text_IO.Put_Line (">>> GARBAGE IN PARAMETER LIST <<<");
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raise Syntax_Error;
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end if;
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-- Perform cosmetic checks for the argument list
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if Is_Cons(Arg) then
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Ada.Text_IO.Put_Line (">>>> Two many arguments <<<<");
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raise Evaluation_Error;
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elsif Arg /= Nil_Pointer then
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Ada.Text_IO.Put_Line (">>> GARBAGE IN ARGUMENT LIST <<<");
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raise Syntax_Error;
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end if;
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-- TODO: is it correct to keep the environement in the frame?
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Set_Frame_Opcode (Interp.Stack, Opcode_Evaluate_Group);
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Set_Frame_Operand (Interp.Stack, Fbody);
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Clear_Frame_Result (Interp.Stack);
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Pop_Tops (Interp, 3);
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end Apply_Closure;
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begin
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Push_Top (Interp, Operand'Unchecked_Access);
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Push_Top (Interp, Func'Unchecked_Access);
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Push_Top (Interp, Args'Unchecked_Access);
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Operand := Get_Frame_Operand(Interp.Stack);
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pragma Assert (Is_Cons(Operand));
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Print (Interp, Operand);
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Func := Get_Car(Operand);
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if not Is_Normal_Pointer(Func) then
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Ada.Text_IO.Put_Line ("INVALID FUNCTION TYPE");
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raise Evaluation_Error;
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end if;
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Args := Get_Cdr(Operand);
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case Func.Tag is
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when Procedure_Object =>
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case Get_Procedure_Opcode(Func) is
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when Car_Procedure =>
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Apply_Car_Procedure;
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when Cdr_Procedure =>
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Apply_Cdr_Procedure;
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when Cons_Procedure =>
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Apply_Cons_Procedure;
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when Setcar_Procedure =>
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||||
Apply_Setcar_Procedure;
|
||||
when Setcdr_Procedure =>
|
||||
Apply_Setcdr_Procedure;
|
||||
|
||||
|
||||
when Add_Procedure =>
|
||||
Apply_Add_Procedure;
|
||||
when Subtract_Procedure =>
|
||||
Apply_Subtract_Procedure;
|
||||
when Multiply_Procedure =>
|
||||
Apply_Multiply_Procedure;
|
||||
when Quotient_Procedure =>
|
||||
Apply_Quotient_Procedure;
|
||||
--when Remainder_Procedure =>
|
||||
-- Apply_Remainder_Procedure;
|
||||
|
||||
when others =>
|
||||
raise Internal_Error;
|
||||
end case;
|
||||
|
||||
when Closure_Object =>
|
||||
Apply_Closure;
|
||||
|
||||
when Continuation_Object =>
|
||||
null;
|
||||
|
||||
when others =>
|
||||
Ada.Text_IO.Put_Line ("INVALID FUNCTION TYPE");
|
||||
raise Internal_Error;
|
||||
|
||||
end case;
|
||||
|
||||
Pop_Tops (Interp, 3);
|
||||
end Apply;
|
@ -305,184 +305,7 @@ Print (Interp, Operand);
|
||||
null;
|
||||
end Evaluate_Procedure;
|
||||
|
||||
procedure Apply is
|
||||
pragma Inline (Apply);
|
||||
|
||||
Operand: aliased Object_Pointer;
|
||||
Func: aliased Object_Pointer;
|
||||
Args: aliased Object_Pointer;
|
||||
|
||||
procedure Apply_Car_Procedure is
|
||||
begin
|
||||
Pop_Frame (Interp); -- Done with the current frame
|
||||
Chain_Frame_Result (Interp, Interp.Stack, Get_Car(Args));
|
||||
end Apply_Car_Procedure;
|
||||
|
||||
procedure Apply_Cdr_Procedure is
|
||||
begin
|
||||
Pop_Frame (Interp); -- Done with the current frame
|
||||
Chain_Frame_Result (Interp, Interp.Stack, Get_Cdr(Args));
|
||||
end Apply_Cdr_Procedure;
|
||||
|
||||
procedure Apply_Add_Procedure is
|
||||
Ptr: Object_Pointer := Args;
|
||||
Num: Object_Integer := 0; -- TODO: support BIGNUM
|
||||
Car: Object_Pointer;
|
||||
begin
|
||||
while Ptr /= Nil_Pointer loop
|
||||
-- TODO: check if car is an integer or bignum or something else.
|
||||
-- if something else, error
|
||||
Car := Get_Car(Ptr);
|
||||
if not Is_Integer(Car) then
|
||||
Ada.Text_IO.Put ("NOT INTEGER FOR ADD"); Print (Interp, Car);
|
||||
raise Evaluation_Error;
|
||||
end if;
|
||||
Num := Num + Pointer_To_Integer(Car);
|
||||
Ptr := Get_Cdr(Ptr);
|
||||
end loop;
|
||||
|
||||
Pop_Frame (Interp); -- Done with the current frame
|
||||
Chain_Frame_Result (Interp, Interp.Stack, Integer_To_Pointer(Num));
|
||||
end Apply_Add_Procedure;
|
||||
|
||||
procedure Apply_Subtract_Procedure is
|
||||
Ptr: Object_Pointer := Args;
|
||||
Num: Object_Integer := 0; -- TODO: support BIGNUM
|
||||
Car: Object_Pointer;
|
||||
begin
|
||||
if Ptr /= Nil_Pointer then
|
||||
Car := Get_Car(Ptr);
|
||||
if not Is_Integer(Car) then
|
||||
raise Evaluation_Error;
|
||||
end if;
|
||||
Num := Pointer_To_Integer(Car);
|
||||
|
||||
while Ptr /= Nil_Pointer loop
|
||||
-- TODO: check if car is an integer or bignum or something else.
|
||||
-- if something else, error
|
||||
Car := Get_Car(Ptr);
|
||||
if not Is_Integer(Car) then
|
||||
raise Evaluation_Error;
|
||||
end if;
|
||||
Num := Num - Pointer_To_Integer(Car);
|
||||
Ptr := Get_Cdr(Ptr);
|
||||
end loop;
|
||||
end if;
|
||||
|
||||
Pop_Frame (Interp); -- Done with the current frame
|
||||
Chain_Frame_Result (Interp, Interp.Stack, Integer_To_Pointer(Num));
|
||||
end Apply_Subtract_Procedure;
|
||||
|
||||
procedure Apply_Closure is
|
||||
Fbody: aliased Object_Pointer;
|
||||
Param: aliased Object_Pointer;
|
||||
Arg: aliased Object_Pointer;
|
||||
begin
|
||||
Push_Top (Interp, Fbody'Unchecked_Access);
|
||||
Push_Top (Interp, Param'Unchecked_Access);
|
||||
Push_Top (Interp, Arg'Unchecked_Access);
|
||||
|
||||
-- For a closure created of "(lambda (x y) (+ x y) (* x y))"
|
||||
-- Get_Closure_Code(Func) returns "((x y) (+ x y) (* x y))"
|
||||
|
||||
-- Push a new environmen for the closure
|
||||
Interp.Environment := Make_Environment (Interp.Self, Get_Closure_Environment(Func));
|
||||
|
||||
Fbody := Get_Closure_Code(Func);
|
||||
pragma Assert (Is_Cons(Fbody)); -- the reader must ensure this.
|
||||
|
||||
Param := Get_Car(Fbody); -- Parameter list
|
||||
--Arg := Get_Car(Args); -- Actual argument list
|
||||
Arg := Args; -- Actual argument list
|
||||
|
||||
Fbody := Get_Cdr (Fbody); -- Real function body
|
||||
pragma Assert (Is_Cons(Fbody)); -- the reader must ensure this as wel..
|
||||
|
||||
while Is_Cons(Param) loop
|
||||
|
||||
if not Is_Cons(Arg) then
|
||||
Ada.Text_IO.Put_Line (">>>> Too few arguments <<<<");
|
||||
raise Evaluation_Error;
|
||||
end if;
|
||||
|
||||
-- Insert the key/value pair into the environment
|
||||
Set_Environment (Interp, Get_Car(Param), Get_Car(Arg));
|
||||
|
||||
Param := Get_Cdr(Param);
|
||||
Arg := Get_Cdr(Arg);
|
||||
end loop;
|
||||
|
||||
-- Perform cosmetic checks for the parameter list
|
||||
if Param /= Nil_Pointer then
|
||||
Ada.Text_IO.Put_Line (">>> GARBAGE IN PARAMETER LIST <<<");
|
||||
raise Syntax_Error;
|
||||
end if;
|
||||
|
||||
-- Perform cosmetic checks for the argument list
|
||||
if Is_Cons(Arg) then
|
||||
Ada.Text_IO.Put_Line (">>>> Two many arguments <<<<");
|
||||
raise Evaluation_Error;
|
||||
elsif Arg /= Nil_Pointer then
|
||||
Ada.Text_IO.Put_Line (">>> GARBAGE IN ARGUMENT LIST <<<");
|
||||
raise Syntax_Error;
|
||||
end if;
|
||||
|
||||
-- TODO: is it correct to keep the environement in the frame?
|
||||
Set_Frame_Opcode (Interp.Stack, Opcode_Evaluate_Group);
|
||||
Set_Frame_Operand (Interp.Stack, Fbody);
|
||||
Clear_Frame_Result (Interp.Stack);
|
||||
|
||||
Pop_Tops (Interp, 3);
|
||||
end Apply_Closure;
|
||||
|
||||
begin
|
||||
Push_Top (Interp, Operand'Unchecked_Access);
|
||||
Push_Top (Interp, Func'Unchecked_Access);
|
||||
Push_Top (Interp, Args'Unchecked_Access);
|
||||
|
||||
Operand := Get_Frame_Operand(Interp.Stack);
|
||||
pragma Assert (Is_Cons(Operand));
|
||||
|
||||
Print (Interp, Operand);
|
||||
Func := Get_Car(Operand);
|
||||
if not Is_Normal_Pointer(Func) then
|
||||
Ada.Text_IO.Put_Line ("INVALID FUNCTION TYPE");
|
||||
raise Evaluation_Error;
|
||||
end if;
|
||||
|
||||
Args := Get_Cdr(Operand);
|
||||
|
||||
case Func.Tag is
|
||||
when Procedure_Object =>
|
||||
case Get_Procedure_Opcode(Func) is
|
||||
when Car_Procedure =>
|
||||
Apply_Car_Procedure;
|
||||
when Cdr_Procedure =>
|
||||
Apply_Cdr_Procedure;
|
||||
|
||||
when Add_Procedure =>
|
||||
Apply_Add_Procedure;
|
||||
when Subtract_Procedure =>
|
||||
Apply_Subtract_Procedure;
|
||||
|
||||
when others =>
|
||||
raise Internal_Error;
|
||||
end case;
|
||||
|
||||
when Closure_Object =>
|
||||
Apply_Closure;
|
||||
|
||||
when Continuation_Object =>
|
||||
null;
|
||||
|
||||
when others =>
|
||||
Ada.Text_IO.Put_Line ("INVALID FUNCTION TYPE");
|
||||
raise Internal_Error;
|
||||
|
||||
end case;
|
||||
|
||||
Pop_Tops (Interp, 3);
|
||||
end Apply;
|
||||
procedure Apply is separate;
|
||||
|
||||
procedure Fetch_Character is
|
||||
begin
|
||||
@ -1013,6 +836,7 @@ begin
|
||||
|
||||
exception
|
||||
when Stream_End_Error =>
|
||||
Ada.Text_IO.Put_Line ("INFO: NO MORE TOKEN .............");
|
||||
raise;
|
||||
|
||||
when others =>
|
||||
|
@ -40,14 +40,16 @@ package body H2.Scheme is
|
||||
Label_Quote: constant Object_Character_Array := (Ch.LC_Q, Ch.LC_U, Ch.LC_O, Ch.LC_T, Ch.LC_E); -- "quote"
|
||||
Label_Set: constant Object_Character_Array := (Ch.LC_S, Ch.LC_E, Ch.LC_T, Ch.Exclamation); -- "set!"
|
||||
|
||||
Label_Car: constant Object_Character_Array := (Ch.LC_C, Ch.LC_A, Ch.LC_R); -- "car"
|
||||
Label_Cdr: constant Object_Character_Array := (Ch.LC_C, Ch.LC_D, Ch.LC_R); -- "cdr"
|
||||
Label_Setcar: constant Object_Character_Array := (Ch.LC_S, Ch.LC_E, Ch.LC_T, Ch.LC_C, Ch.LC_A, Ch.LC_R); -- "setcar"
|
||||
Label_Setcdr: constant Object_Character_Array := (Ch.LC_S, Ch.LC_E, Ch.LC_T, Ch.LC_C, Ch.LC_D, Ch.LC_R); -- "setcar"
|
||||
Label_Plus: constant Object_Character_Array := (1 => Ch.Plus_Sign); -- "+"
|
||||
Label_Minus: constant Object_Character_Array := (1 => Ch.Minus_Sign); -- "-"
|
||||
Label_Multiply: constant Object_Character_Array := (1 => Ch.Asterisk); -- "*"
|
||||
Label_Divide: constant Object_Character_Array := (1 => Ch.Slash); -- "/"
|
||||
Label_Car: constant Object_Character_Array := (Ch.LC_C, Ch.LC_A, Ch.LC_R); -- "car"
|
||||
Label_Cdr: constant Object_Character_Array := (Ch.LC_C, Ch.LC_D, Ch.LC_R); -- "cdr"
|
||||
Label_Cons: constant Object_Character_Array := (Ch.LC_C, Ch.LC_O, Ch.LC_N, Ch.LC_S); -- "cons"
|
||||
Label_Quotient: constant Object_Character_Array := (Ch.LC_Q, Ch.LC_U, Ch.LC_O, Ch.LC_T, Ch.LC_I, Ch.LC_E, Ch.LC_N, Ch.LC_T); -- "quotient"
|
||||
Label_Remainder: constant Object_Character_Array := (Ch.LC_R, Ch.LC_E, Ch.LC_M, Ch.LC_A, Ch.LC_I, Ch.LC_N, Ch.LC_D, Ch.LC_E, Ch.LC_R); -- "remainder"
|
||||
Label_Setcar: constant Object_Character_Array := (Ch.LC_S, Ch.LC_E, Ch.LC_T, Ch.Minus_Sign, Ch.LC_C, Ch.LC_A, Ch.LC_R, Ch.Exclamation); -- "set-car!"
|
||||
Label_Setcdr: constant Object_Character_Array := (Ch.LC_S, Ch.LC_E, Ch.LC_T, Ch.Minus_Sign, Ch.LC_C, Ch.LC_D, Ch.LC_R, Ch.Exclamation); -- "set-cdr!"
|
||||
Label_Plus: constant Object_Character_Array := (1 => Ch.Plus_Sign); -- "+"
|
||||
Label_Minus: constant Object_Character_Array := (1 => Ch.Minus_Sign); -- "-"
|
||||
Label_Multiply: constant Object_Character_Array := (1 => Ch.Asterisk); -- "*"
|
||||
|
||||
-----------------------------------------------------------------------------
|
||||
-- EXCEPTIONS
|
||||
@ -1582,14 +1584,16 @@ Ada.Text_IO.Put_Line ("Make_String...");
|
||||
procedure Make_Procedure_Objects is
|
||||
Dummy: Object_Pointer;
|
||||
begin
|
||||
Dummy := Make_Procedure (Interp.Self, Car_Procedure, Label_Car); -- "car"
|
||||
Dummy := Make_Procedure (Interp.Self, Cdr_Procedure, Label_Cdr); -- "cdr"
|
||||
Dummy := Make_Procedure (Interp.Self, Setcar_Procedure, Label_Setcar); -- "setcar"
|
||||
Dummy := Make_Procedure (Interp.Self, Setcdr_Procedure, Label_Setcdr); -- "setcdr"
|
||||
Dummy := Make_Procedure (Interp.Self, Add_Procedure, Label_Plus); -- "+"
|
||||
Dummy := Make_Procedure (Interp.Self, Subtract_Procedure, Label_Minus); -- "-"
|
||||
Dummy := Make_Procedure (Interp.Self, Multiply_Procedure, Label_Multiply); -- "*"
|
||||
Dummy := Make_Procedure (Interp.Self, Divide_Procedure, Label_Divide); -- "/"
|
||||
Dummy := Make_Procedure (Interp.Self, Add_Procedure, Label_Plus); -- "+"
|
||||
Dummy := Make_Procedure (Interp.Self, Car_Procedure, Label_Car); -- "car"
|
||||
Dummy := Make_Procedure (Interp.Self, Cdr_Procedure, Label_Cdr); -- "cdr"
|
||||
Dummy := Make_Procedure (Interp.Self, Cons_Procedure, Label_Cons); -- "cons"
|
||||
Dummy := Make_Procedure (Interp.Self, Multiply_Procedure, Label_Multiply); -- "*"
|
||||
Dummy := Make_Procedure (Interp.Self, Quotient_Procedure, Label_Quotient); -- "quotient"
|
||||
Dummy := Make_Procedure (Interp.Self, Remainder_Procedure, Label_Remainder); -- "remainder"
|
||||
Dummy := Make_Procedure (Interp.Self, Setcar_Procedure, Label_Setcar); -- "set-car!"
|
||||
Dummy := Make_Procedure (Interp.Self, Setcdr_Procedure, Label_Setcdr); -- "set-cdr!"
|
||||
Dummy := Make_Procedure (Interp.Self, Subtract_Procedure, Label_Minus); -- "-"
|
||||
end Make_Procedure_Objects;
|
||||
begin
|
||||
declare
|
||||
|
@ -180,14 +180,16 @@ package H2.Scheme is
|
||||
Set_Syntax: constant Syntax_Code := Syntax_Code'(12);
|
||||
|
||||
subtype Procedure_Code is Object_Integer;
|
||||
Car_Procedure: constant Procedure_Code := Procedure_Code'(0);
|
||||
Cdr_Procedure: constant Procedure_Code := Procedure_Code'(1);
|
||||
Setcar_Procedure: constant Procedure_Code := Procedure_Code'(2);
|
||||
Setcdr_Procedure: constant Procedure_Code := Procedure_Code'(3);
|
||||
Add_Procedure: constant Procedure_Code := Procedure_Code'(4);
|
||||
Subtract_Procedure: constant Procedure_Code := Procedure_Code'(5);
|
||||
Multiply_Procedure: constant Procedure_Code := Procedure_Code'(6);
|
||||
Divide_Procedure: constant Procedure_Code := Procedure_Code'(7);
|
||||
Add_Procedure: constant Procedure_Code := Procedure_Code'(0);
|
||||
Car_Procedure: constant Procedure_Code := Procedure_Code'(1);
|
||||
Cdr_Procedure: constant Procedure_Code := Procedure_Code'(2);
|
||||
Cons_Procedure: constant Procedure_Code := Procedure_Code'(3);
|
||||
Multiply_Procedure: constant Procedure_Code := Procedure_Code'(4);
|
||||
Quotient_Procedure: constant Procedure_Code := Procedure_Code'(5);
|
||||
Remainder_Procedure: constant Procedure_Code := Procedure_Code'(6);
|
||||
Setcar_Procedure: constant Procedure_Code := Procedure_Code'(7);
|
||||
Setcdr_Procedure: constant Procedure_Code := Procedure_Code'(8);
|
||||
Subtract_Procedure: constant Procedure_Code := Procedure_Code'(9);
|
||||
|
||||
type Object_Tag is (
|
||||
Unknown_Object,
|
||||
|
@ -15,6 +15,7 @@ project Lib is
|
||||
"h2-scheme.adb",
|
||||
"h2-scheme.ads",
|
||||
"h2-scheme-execute.adb",
|
||||
"h2-scheme-execute-apply.adb",
|
||||
"h2-scheme-token.adb",
|
||||
"h2-utf8.adb",
|
||||
"h2-utf8.ads",
|
||||
|
Loading…
Reference in New Issue
Block a user