mruby/src/etc.c at master · bencode/mruby · GitHub

History

222 lines (194 loc) · 4.76 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

** etc.c -

** See Copyright Notice in mruby.h

#include "mruby.h"

#include "mruby/string.h"

#include "mruby/data.h"

#include "mruby/class.h"

#include "mruby/re.h"

#include "mruby/irep.h"

MRB_API struct RData*

mrb_data_object_alloc(mrb_state *mrb, struct RClass *klass, void *ptr, const mrb_data_type *type)

{

struct RData *data;

data = (struct RData*)mrb_obj_alloc(mrb, MRB_TT_DATA, klass);

data->data = ptr;

data->type = type;

return data;

}

MRB_API void

mrb_data_check_type(mrb_state *mrb, mrb_value obj, const mrb_data_type *type)

{

if (mrb_immediate_p(obj) || (mrb_type(obj) != MRB_TT_DATA)) {

mrb_check_type(mrb, obj, MRB_TT_DATA);

}

if (DATA_TYPE(obj) != type) {

const mrb_data_type *t2 = DATA_TYPE(obj);

if (t2) {

mrb_raisef(mrb, E_TYPE_ERROR, "wrong argument type %S (expected %S)",

mrb_str_new_cstr(mrb, t2->struct_name), mrb_str_new_cstr(mrb, type->struct_name));

}

else {

struct RClass *c = mrb_class(mrb, obj);

mrb_raisef(mrb, E_TYPE_ERROR, "uninitialized %S (expected %S)",

mrb_obj_value(c), mrb_str_new_cstr(mrb, type->struct_name));

}

MRB_API void*

mrb_data_check_get_ptr(mrb_state *mrb, mrb_value obj, const mrb_data_type *type)

{

if (mrb_immediate_p(obj) || (mrb_type(obj) != MRB_TT_DATA)) {

return NULL;

}

if (DATA_TYPE(obj) != type) {

return NULL;

}

return DATA_PTR(obj);

}

MRB_API void*

mrb_data_get_ptr(mrb_state *mrb, mrb_value obj, const mrb_data_type *type)

{

mrb_data_check_type(mrb, obj, type);

return DATA_PTR(obj);

}

MRB_API mrb_sym

mrb_obj_to_sym(mrb_state *mrb, mrb_value name)

{

mrb_value tmp;

mrb_sym id;

switch (mrb_type(name)) {

default:

tmp = mrb_check_string_type(mrb, name);

if (mrb_nil_p(tmp)) {

tmp = mrb_inspect(mrb, name);

mrb_raisef(mrb, E_TYPE_ERROR, "%S is not a symbol", tmp);

}

name = tmp;

/* fall through */

case MRB_TT_STRING:

name = mrb_str_intern(mrb, name);

/* fall through */

case MRB_TT_SYMBOL:

id = mrb_symbol(name);

}

return id;

}

MRB_API mrb_int

mrb_float_id(mrb_float f)

{

const char *p = (const char*)&f;

int len = sizeof(f);

mrb_int id = 0;

while (len--) {

id = id*65599 + *p;

p++;

}

id = id + (id>>5);

return id;

}

MRB_API mrb_int

mrb_obj_id(mrb_value obj)

{

mrb_int tt = mrb_type(obj);

#define MakeID2(p,t) (mrb_int)(((intptr_t)(p))^(t))

#define MakeID(p) MakeID2(p,tt)

switch (tt) {

case MRB_TT_FREE:

case MRB_TT_UNDEF:

return MakeID(0); /* not define */

case MRB_TT_FALSE:

if (mrb_nil_p(obj))

return MakeID(1);

return MakeID(0);

case MRB_TT_TRUE:

return MakeID(1);

case MRB_TT_SYMBOL:

return MakeID(mrb_symbol(obj));

case MRB_TT_FIXNUM:

return MakeID2(mrb_float_id((mrb_float)mrb_fixnum(obj)), MRB_TT_FLOAT);

case MRB_TT_FLOAT:

return MakeID(mrb_float_id(mrb_float(obj)));

case MRB_TT_STRING:

case MRB_TT_OBJECT:

case MRB_TT_CLASS:

case MRB_TT_MODULE:

case MRB_TT_ICLASS:

case MRB_TT_SCLASS:

case MRB_TT_PROC:

case MRB_TT_ARRAY:

case MRB_TT_HASH:

case MRB_TT_RANGE:

case MRB_TT_EXCEPTION:

case MRB_TT_FILE:

case MRB_TT_DATA:

default:

return MakeID(mrb_ptr(obj));

}

#ifdef MRB_WORD_BOXING

MRB_API mrb_value

mrb_word_boxing_float_value(mrb_state *mrb, mrb_float f)

{

mrb_value v;

v.value.p = mrb_obj_alloc(mrb, MRB_TT_FLOAT, mrb->float_class);

v.value.fp->f = f;

return v;

}

MRB_API mrb_value

mrb_word_boxing_float_pool(mrb_state *mrb, mrb_float f)

{

struct RFloat *nf = (struct RFloat *)mrb_malloc(mrb, sizeof(struct RFloat));

nf->tt = MRB_TT_FLOAT;

nf->c = mrb->float_class;

nf->f = f;

return mrb_obj_value(nf);

}

MRB_API mrb_value

mrb_word_boxing_cptr_value(mrb_state *mrb, void *p)

{

mrb_value v;

v.value.p = mrb_obj_alloc(mrb, MRB_TT_CPTR, mrb->object_class);

v.value.vp->p = p;

return v;

}

#endif /* MRB_WORD_BOXING */

MRB_API mrb_bool

mrb_regexp_p(mrb_state *mrb, mrb_value v)

{

return mrb_class_defined(mrb, REGEXP_CLASS) && mrb_obj_is_kind_of(mrb, v, mrb_class_get(mrb, REGEXP_CLASS));

}

#if defined _MSC_VER && _MSC_VER < 1900

#ifndef va_copy

static void

mrb_msvc_va_copy(va_list *dest, va_list src)

{

*dest = src;

}

#define va_copy(dest, src) mrb_msvc_va_copy(&(dest), src)

#endif

MRB_API int

mrb_msvc_vsnprintf(char *s, size_t n, const char *format, va_list arg)

{

int cnt;

va_list argcp;

va_copy(argcp, arg);

if (n == 0 || (cnt = _vsnprintf_s(s, n, _TRUNCATE, format, argcp)) < 0) {

cnt = _vscprintf(format, arg);

}

va_end(argcp);

return cnt;

}

MRB_API int

mrb_msvc_snprintf(char *s, size_t n, const char *format, ...)

{

va_list arg;

int ret;

va_start(arg, format);

ret = mrb_msvc_vsnprintf(s, n, format, arg);

va_end(arg);

return ret;

}

#endif /* defined _MSC_VER && _MSC_VER < 1900 */

mruby/src/etc.c at master · bencode/mruby · GitHub

Expand file tree

Breadcrumbs

etc.c

Latest commit

History

Breadcrumbs

etc.c

File metadata and controls