From: DeaDDooMER <deaddoomer@deadsoftware.ru>
Date: Sun, 13 Aug 2017 11:17:02 +0000 (+0300)
Subject: Добавлены функции LONG и SHORT
X-Git-Url: http://deadsoftware.ru/gitweb?a=commitdiff_plain;h=2985d77f3ee4af98761b28b4ce1e57582d8c8619;p=dsw-obn.git

Добавлены функции LONG и SHORT
---

diff --git a/Test.obn b/Test.obn
index da1f545..82fbedb 100644
--- a/Test.obn
+++ b/Test.obn
@@ -1,19 +1,9 @@
 MODULE Test;
 
 VAR
-  i : INTEGER;
+  i : SHORTINT;
   s : SET;
 
 BEGIN
-  INC(i);
-  ASSERT(i = 1);
-  DEC(i);
-  ASSERT(i = 0);
-
-  INCL(s, 3);
-  ASSERT(3 IN s);
-  EXCL(s, 3);
-  ASSERT(~(3 IN s));
+  i := SHORT(12345);
 END Test.
-
-Проверка встроенных процедур.
diff --git a/notes b/notes
index 21447a4..45bb85f 100644
--- a/notes
+++ b/notes
@@ -1,7 +1,6 @@
 - Сделать проверку повторов в CASE.
 - Сделать нормальную проверку наличия RETURN.
 
-- Нет функций LONG SHORT
 - Нет счёта строк / столбцов
 - Нет процедур привязанных к типм
 
diff --git a/src/oberon-internals.h b/src/oberon-internals.h
index 31c8054..703ba6c 100644
--- a/src/oberon-internals.h
+++ b/src/oberon-internals.h
@@ -57,6 +57,8 @@ struct oberon_type_t
 {
 	enum oberon_type_kind class;
 	int size;
+	oberon_type_t * shorter;
+	oberon_type_t * longer;
 
 	int num_decl;
 	oberon_type_t * base;
diff --git a/src/oberon.c b/src/oberon.c
index 1d00f22..8b94271 100644
--- a/src/oberon.c
+++ b/src/oberon.c
@@ -3624,57 +3624,6 @@ oberon_parse_module(oberon_context_t * ctx)
 //   LIBRARY
 // =======================================================================
 
-static void
-register_default_types(oberon_context_t * ctx)
-{
-	ctx -> notype_type = oberon_new_type_ptr(OBERON_TYPE_NOTYPE);
-	oberon_generator_init_type(ctx, ctx -> notype_type);
-
-	ctx -> nil_type = oberon_new_type_ptr(OBERON_TYPE_NIL);
-	oberon_generator_init_type(ctx, ctx -> nil_type);
-
-	ctx -> string_type = oberon_new_type_string(1);
-	oberon_generator_init_type(ctx, ctx -> string_type);
-
-	ctx -> bool_type = oberon_new_type_boolean();
-	oberon_define_type(ctx -> world_scope, "BOOLEAN", ctx -> bool_type, 1);
-
-	ctx -> char_type = oberon_new_type_char(1);
-	oberon_define_type(ctx -> world_scope, "CHAR", ctx -> char_type, 1);
-
-	ctx -> byte_type = oberon_new_type_integer(1);
-	oberon_define_type(ctx -> world_scope, "SHORTINT", ctx -> byte_type, 1);
-
-	ctx -> shortint_type = oberon_new_type_integer(2);
-	oberon_define_type(ctx -> world_scope, "INTEGER", ctx -> shortint_type, 1);
-
-	ctx -> int_type = oberon_new_type_integer(4);
-	oberon_define_type(ctx -> world_scope, "LONGINT", ctx -> int_type, 1);
-
-	ctx -> longint_type = oberon_new_type_integer(8);
-	oberon_define_type(ctx -> world_scope, "HUGEINT", ctx -> longint_type, 1);
-
-	ctx -> real_type = oberon_new_type_real(4);
-	oberon_define_type(ctx -> world_scope, "REAL", ctx -> real_type, 1);
-
-	ctx -> longreal_type = oberon_new_type_real(8);
-	oberon_define_type(ctx -> world_scope, "LONGREAL", ctx -> longreal_type, 1);
-
-	ctx -> set_type = oberon_new_type_set(4);
-	oberon_define_type(ctx -> world_scope, "SET", ctx -> set_type, 1);
-}
-
-static void
-oberon_new_intrinsic(oberon_context_t * ctx, char * name, GenerateFuncCallback f, GenerateProcCallback p)
-{
-	oberon_object_t * proc;
-	proc = oberon_define_object(ctx -> decl, name, OBERON_CLASS_PROC, true, false, false);
-	proc -> type = oberon_new_type_ptr(OBERON_TYPE_PROCEDURE);
-	proc -> type -> sysproc = true;
-	proc -> type -> genfunc = f;
-	proc -> type -> genproc = p;
-}
-
 static oberon_expr_t *
 oberon_make_min_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
 {
@@ -4377,6 +4326,60 @@ oberon_make_odd_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_
 	return expr;
 }
 
+static oberon_expr_t *
+oberon_make_short_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
+{
+	if(num_args < 1)
+	{
+		oberon_error(ctx, "too few arguments");
+	}
+
+	if(num_args > 1)
+	{
+		oberon_error(ctx, "too mach arguments");
+	}
+
+	oberon_expr_t * arg;
+	arg = list_args;
+	oberon_check_src(ctx, arg);
+
+	if(arg -> result -> shorter == NULL)
+	{
+		oberon_error(ctx, "already shorter");
+	}
+
+	oberon_expr_t * expr;
+	expr = oberon_cast_expr(ctx, arg, arg -> result -> shorter);
+	return expr;
+}
+
+static oberon_expr_t *
+oberon_make_long_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
+{
+	if(num_args < 1)
+	{
+		oberon_error(ctx, "too few arguments");
+	}
+
+	if(num_args > 1)
+	{
+		oberon_error(ctx, "too mach arguments");
+	}
+
+	oberon_expr_t * arg;
+	arg = list_args;
+	oberon_check_src(ctx, arg);
+
+	if(arg -> result -> longer == NULL)
+	{
+		oberon_error(ctx, "already longer");
+	}
+
+	oberon_expr_t * expr;
+	expr = oberon_cast_expr(ctx, arg, arg -> result -> longer);
+	return expr;
+}
+
 static oberon_expr_t *
 oberon_make_len_call(oberon_context_t * ctx, int num_args, oberon_expr_t * list_args)
 {
@@ -4446,6 +4449,77 @@ oberon_new_const(oberon_context_t * ctx, char * name, oberon_expr_t * expr)
 	constant -> value = (oberon_item_t *) expr;
 }
 
+static void
+register_default_types(oberon_context_t * ctx)
+{
+	ctx -> notype_type = oberon_new_type_ptr(OBERON_TYPE_NOTYPE);
+	oberon_generator_init_type(ctx, ctx -> notype_type);
+
+	ctx -> nil_type = oberon_new_type_ptr(OBERON_TYPE_NIL);
+	oberon_generator_init_type(ctx, ctx -> nil_type);
+
+	ctx -> string_type = oberon_new_type_string(1);
+	oberon_generator_init_type(ctx, ctx -> string_type);
+
+	ctx -> bool_type = oberon_new_type_boolean();
+	oberon_define_type(ctx -> world_scope, "BOOLEAN", ctx -> bool_type, 1);
+
+	ctx -> char_type = oberon_new_type_char(1);
+	oberon_define_type(ctx -> world_scope, "CHAR", ctx -> char_type, 1);
+
+	ctx -> byte_type = oberon_new_type_integer(1);
+	oberon_define_type(ctx -> world_scope, "SHORTINT", ctx -> byte_type, 1);
+
+	ctx -> shortint_type = oberon_new_type_integer(2);
+	oberon_define_type(ctx -> world_scope, "INTEGER", ctx -> shortint_type, 1);
+
+	ctx -> int_type = oberon_new_type_integer(4);
+	oberon_define_type(ctx -> world_scope, "LONGINT", ctx -> int_type, 1);
+
+	ctx -> longint_type = oberon_new_type_integer(8);
+	oberon_define_type(ctx -> world_scope, "HUGEINT", ctx -> longint_type, 1);
+
+	ctx -> real_type = oberon_new_type_real(4);
+	oberon_define_type(ctx -> world_scope, "REAL", ctx -> real_type, 1);
+
+	ctx -> longreal_type = oberon_new_type_real(8);
+	oberon_define_type(ctx -> world_scope, "LONGREAL", ctx -> longreal_type, 1);
+
+	ctx -> set_type = oberon_new_type_set(4);
+	oberon_define_type(ctx -> world_scope, "SET", ctx -> set_type, 1);
+
+
+
+	ctx -> byte_type -> shorter = NULL;
+	ctx -> byte_type -> longer = ctx -> shortint_type;
+
+	ctx -> shortint_type -> shorter = ctx -> byte_type;
+	ctx -> shortint_type -> longer = ctx -> int_type;
+
+	ctx -> int_type -> shorter = ctx -> shortint_type;
+	ctx -> int_type -> longer = ctx -> longint_type;
+
+	ctx -> longint_type -> shorter = ctx -> int_type;
+	ctx -> longint_type -> longer = NULL;
+
+	ctx -> real_type -> shorter = NULL;
+	ctx -> real_type -> longer = ctx -> longreal_type;
+
+	ctx -> longreal_type -> shorter = ctx -> real_type;
+	ctx -> longreal_type -> longer = NULL;
+}
+
+static void
+oberon_new_intrinsic(oberon_context_t * ctx, char * name, GenerateFuncCallback f, GenerateProcCallback p)
+{
+	oberon_object_t * proc;
+	proc = oberon_define_object(ctx -> decl, name, OBERON_CLASS_PROC, true, false, false);
+	proc -> type = oberon_new_type_ptr(OBERON_TYPE_PROCEDURE);
+	proc -> type -> sysproc = true;
+	proc -> type -> genfunc = f;
+	proc -> type -> genproc = p;
+}
+
 oberon_context_t *
 oberon_create_context(ModuleImportCallback import_module)
 {
@@ -4472,12 +4546,12 @@ oberon_create_context(ModuleImportCallback import_module)
 	oberon_new_intrinsic(ctx, "CHR", oberon_make_chr_call, NULL);
 	oberon_new_intrinsic(ctx, "ENTIER", oberon_make_entier_call, NULL);
 	oberon_new_intrinsic(ctx, "LEN", oberon_make_len_call, NULL);
-	//oberon_new_intrinsic(ctx, "LONG", oberon_make_long_call, NULL);
+	oberon_new_intrinsic(ctx, "LONG", oberon_make_long_call, NULL);
 	oberon_new_intrinsic(ctx, "MAX", oberon_make_max_call, NULL);
 	oberon_new_intrinsic(ctx, "MIN", oberon_make_min_call, NULL);
 	oberon_new_intrinsic(ctx, "ODD", oberon_make_odd_call, NULL);
 	oberon_new_intrinsic(ctx, "ORD", oberon_make_ord_call, NULL);
-	//oberon_new_intrinsic(ctx, "SHORT", oberon_make_short_call, NULL);
+	oberon_new_intrinsic(ctx, "SHORT", oberon_make_short_call, NULL);
 	oberon_new_intrinsic(ctx, "SIZE", oberon_make_size_call, NULL);
 
 	/* Procedures */