X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=types%2Ffloat.c;h=ae23a96c261ef92ce62404b40e1cac2e69e70def;hp=78499c8f14ea6205d732bf3a68b426d0a25221c3;hb=6ee5115efee00adab0c8f384bc9c0f38fed8a84e;hpb=448d3cc7640830015850cc6287532d4c194fe690 diff --git a/types/float.c b/types/float.c index 78499c8f..ae23a96c 100644 --- a/types/float.c +++ b/types/float.c @@ -1,69 +1,113 @@ /* - * BabelTrace - Float Type Converter + * float.c * - * Copyright (c) 2010 Mathieu Desnoyers + * BabelTrace - Float Type Converter * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. + * Copyright 2010, 2011 - Mathieu Desnoyers * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. + * 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: * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. */ #include -#include +#include -size_t float_copy(unsigned char *dest, const struct format *fdest, - const unsigned char *src, const struct format *fsrc, - const struct type_class *type_class) +static +struct declaration *_float_declaration_new(struct type *type, + struct declaration_scope *parent_scope); +static +void _float_declaration_free(struct declaration *declaration); + +void float_copy(struct stream_pos *destp, + const struct format *fdest, + struct stream_pos *srcp, + const struct format *fsrc, + struct declaration *declaration) { - struct type_class_float *float_class = - container_of(type_class, struct type_class_float, p); + struct declaration_float *_float = + container_of(declaration, struct declaration_float, p); + struct type_float *float_type = _float->type; if (fsrc->float_copy == fdest->float_copy) { - fsrc->float_copy(dest, float_class, src, float_class); - return float_class->mantissa_len + float_class->exp_len; + fsrc->float_copy(destp, srcp, float_type); } else { double v; - v = fsrc->double_read(src, fsrc); - return fdest->double_write(dest, fdest, v); + v = fsrc->double_read(srcp, float_type); + fdest->double_write(destp, float_type, v); } } -struct type_class_float *float_type_new(const char *name, - size_t mantissa_len, - size_t exp_len, int byte_order, - size_t alignment) +static +void _float_type_free(struct type *type) { - struct type_class_float *float_class; - int ret; + struct type_float *float_type = + container_of(type, struct type_float, p); - float_class = g_new(struct type_class_float, 1); - float_class->p.name = g_quark_from_string(name); - float_class->p.alignment = alignment; - float_class->mantissa_len = mantissa_len; - float_class->exp_len = exp_len; - float_class->byte_order = byte_order; - if (float_class->p.name) { - ret = ctf_register_type(&float_class->p); - if (ret) { - g_free(float_class); - return NULL; - } - } - return float_class; + type_unref(&float_type->exp->p); + type_unref(&float_type->mantissa->p); + type_unref(&float_type->sign->p); + g_free(float_type); +} + +struct type_float * + float_type_new(const char *name, size_t mantissa_len, + size_t exp_len, int byte_order, size_t alignment) +{ + struct type_float *float_type; + struct type *type; + + float_type = g_new(struct type_float, 1); + type = &float_type->p; + type->name = g_quark_from_string(name); + type->alignment = alignment; + type->copy = float_copy; + type->type_free = _float_type_free; + type->declaration_new = _float_declaration_new; + type->declaration_free = _float_declaration_free; + type->ref = 1; + float_type->byte_order = byte_order; + + float_type->sign = integer_type_new(NULL, 1, + byte_order, false, 1); + float_type->mantissa = integer_type_new(NULL, mantissa_len - 1, + byte_order, false, 1); + float_type->exp = integer_type_new(NULL, exp_len, + byte_order, true, 1); + return float_type; } -void float_type_free(struct type_class_float *float_class) +static +struct declaration * + _float_declaration_new(struct type *type, + struct declaration_scope *parent_scope) { - g_free(float_class); + struct type_float *float_type = + container_of(type, struct type_float, p); + struct declaration_float *_float; + + _float = g_new(struct declaration_float, 1); + type_ref(&float_type->p); + _float->p.type= type; + _float->type= float_type; + _float->p.ref = 1; + _float->value = 0.0; + return &_float->p; +} + +static +void _float_declaration_free(struct declaration *declaration) +{ + struct declaration_float *_float = + container_of(declaration, struct declaration_float, p); + + type_unref(_float->p.type); + g_free(_float); }