1 /* src/vm/primitive.hpp - primitive types
3 Copyright (C) 2007, 2008
4 CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
6 This file is part of CACAO.
8 This program is free software; you can redistribute it and/or
9 modify it under the terms of the GNU General Public License as
10 published by the Free Software Foundation; either version 2, or (at
11 your option) any later version.
13 This program is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26 #ifndef _PRIMITIVE_HPP
27 #define _PRIMITIVE_HPP
33 #include "vm/global.h"
35 #include "vmcore/class.h"
36 #include "vmcore/linker.h"
37 #include "vmcore/utf8.h"
44 static classinfo* get_class_by_name(utf *name);
45 static classinfo* get_class_by_type(int type);
46 static classinfo* get_class_by_char(char ch);
47 static classinfo* get_arrayclass_by_name(utf* name);
48 static classinfo* get_arrayclass_by_type(int type);
50 static int get_type_by_wrapperclass(classinfo *c);
52 static java_handle_t* box(int type, imm_union value);
54 static java_handle_t* box(uint8_t value);
55 static java_handle_t* box(int8_t value);
56 static java_handle_t* box(uint16_t value);
57 static java_handle_t* box(int16_t value);
58 static java_handle_t* box(int32_t value);
59 static java_handle_t* box(int64_t value);
60 static java_handle_t* box(float value);
61 static java_handle_t* box(double value);
63 static imm_union unbox(java_handle_t *o);
65 static uint8_t unbox_boolean(java_handle_t* o);
66 static int8_t unbox_byte(java_handle_t* o);
67 static uint16_t unbox_char(java_handle_t* o);
68 static int16_t unbox_short(java_handle_t* o);
69 static int32_t unbox_int(java_handle_t* o);
70 static int64_t unbox_long(java_handle_t* o);
71 static float unbox_float(java_handle_t* o);
72 static double unbox_double(java_handle_t* o);
77 /* primitive data types *******************************************************/
79 /* These values are used in parsed descriptors and in some other
80 places were the different types handled internally as TYPE_INT have
81 to be distinguished. */
83 #define PRIMITIVETYPE_COUNT 11 /* number of primitive types (+ dummies) */
85 /* CAUTION: Don't change the numerical values! These constants are
86 used as indices into the primitive type table. */
88 #define PRIMITIVETYPE_INT TYPE_INT
89 #define PRIMITIVETYPE_LONG TYPE_LNG
90 #define PRIMITIVETYPE_FLOAT TYPE_FLT
91 #define PRIMITIVETYPE_DOUBLE TYPE_DBL
92 #define PRIMITIVETYPE_DUMMY1 TYPE_ADR /* not used! */
93 #define PRIMITIVETYPE_BYTE 5
94 #define PRIMITIVETYPE_CHAR 6
95 #define PRIMITIVETYPE_SHORT 7
96 #define PRIMITIVETYPE_BOOLEAN 8
97 #define PRIMITIVETYPE_DUMMY2 9 /* not used! */
98 #define PRIMITIVETYPE_VOID TYPE_VOID
101 /* primitivetypeinfo **********************************************************/
103 struct primitivetypeinfo {
104 char *cname; /* char name of primitive class */
105 utf *name; /* name of primitive class */
106 classinfo *class_wrap; /* class for wrapping primitive type */
107 classinfo *class_primitive; /* primitive class */
108 char *wrapname; /* name of class for wrapping */
109 char typesig; /* one character type signature */
110 char *arrayname; /* name of primitive array class */
111 classinfo *arrayclass; /* primitive array class */
115 /* global variables ***********************************************************/
117 /* This array can be indexed by the PRIMITIVETYPE_ and ARRAYTYPE_
118 constants (except ARRAYTYPE_OBJECT). */
120 extern primitivetypeinfo primitivetype_table[PRIMITIVETYPE_COUNT];
123 // Legacy C interface.
125 /* this function is in src/vmcore/primitivecore.c */
126 void primitive_init(void);
127 void primitive_postinit(void);
129 classinfo *Primitive_get_class_by_name(utf *name);
130 classinfo *Primitive_get_class_by_type(int type);
131 classinfo *Primitive_get_class_by_char(char ch);
133 classinfo *Primitive_get_arrayclass_by_name(utf *name);
134 classinfo *Primitive_get_arrayclass_by_type(int type);
136 int Primitive_get_type_by_wrapperclass(classinfo *c);
138 java_handle_t *Primitive_box(int type, imm_union value);
139 imm_union Primitive_unbox(java_handle_t *h);
142 #endif // _PRIMITIVE_HPP
146 * These are local overrides for various environment variables in Emacs.
147 * Please do not remove this and leave it at the end of the file, where
148 * Emacs will automagically detect them.
149 * ---------------------------------------------------------------------
152 * indent-tabs-mode: t
156 * vim:noexpandtab:sw=4:ts=4: