{"id":1651,"date":"2013-01-28T09:02:25","date_gmt":"2013-01-28T00:02:25","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=1651"},"modified":"2018-11-14T16:33:56","modified_gmt":"2018-11-14T07:33:56","slug":"c%e8%a8%80%e8%aa%9e%e3%81%8b%e3%82%89gauche%e3%82%92%e4%bd%bf%e3%81%8a%e3%81%86%ef%bc%81-7-%e3%83%87%e3%83%90%e3%83%83%e3%82%b0%e7%94%a8%e3%81%ae%e9%81%93%e5%85%b7%e3%82%92%e6%ba%96%e5%82%99","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2013\/01\/28\/c%e8%a8%80%e8%aa%9e%e3%81%8b%e3%82%89gauche%e3%82%92%e4%bd%bf%e3%81%8a%e3%81%86%ef%bc%81-7-%e3%83%87%e3%83%90%e3%83%83%e3%82%b0%e7%94%a8%e3%81%ae%e9%81%93%e5%85%b7%e3%82%92%e6%ba%96%e5%82%99\/","title":{"rendered":"C\u8a00\u8a9e\u304b\u3089Gauche\u3092\u4f7f\u304a\u3046\uff01 (7) \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u9053\u5177\u3092\u6e96\u5099\u3059\u308b"},"content":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u300cC\u8a00\u8a9e\u304b\u3089Gauche\u3092\u4f7f\u304a\u3046\uff01\u300d\u30b7\u30ea\u30fc\u30ba\u3067\u3059\u3002<\/p>\n<p>\u524d\u56de\u306e\u300c<a title=\"C\u8a00\u8a9e\u304b\u3089Gauche\u3092\u4f7f\u304a\u3046\uff01 (6) Scm_Apply\u3067\u624b\u7d9a\u304d\u3092\u547c\u3073\u51fa\u3059\" href=\"http:\/\/www.techscore.com\/blog\/2013\/01\/25\/c%e8%a8%80%e8%aa%9e%e3%81%8b%e3%82%89gauche%e3%82%92%e4%bd%bf%e3%81%8a%e3%81%86%ef%bc%81-6-scm_apply%e3%81%a7%e6%89%8b%e7%b6%9a%e3%81%8d%e3%82%92%e5%91%bc%e3%81%b3%e5%87%ba%e3%81%99\/\">C\u8a00\u8a9e\u304b\u3089Gauche\u3092\u4f7f\u304a\u3046\uff01 (6) Scm_Apply\u3067\u624b\u7d9a\u304d\u3092\u547c\u3073\u51fa\u3059<\/a>\u300d\u3067\u624b\u7d9a\u304d\u3092\u547c\u3073\u51fa\u3059\u65b9\u6cd5\u3092\u8abf\u3079\u305f\u306e\u3067\u3001\u4eca\u56de\u306f\u3044\u3088\u3044\u3088 Scheme \u30d7\u30ed\u30b0\u30e9\u30e0\u3092 load \u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u3088\u3046\uff01\u3068\u601d\u3063\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u4e88\u5b9a\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u3068\u3044\u3046\u306e\u3082\u3001\u8a66\u884c\u932f\u8aa4\u3057\u306a\u304c\u3089\u306a\u306e\u3067\u3001\u30c7\u30d0\u30c3\u30b0\u7528\u306e\u9053\u5177\uff08\u30a8\u30e9\u30fc\u8868\u793a\u3084\u30c7\u30d0\u30c3\u30b0\u51fa\u529b\u306a\u3069\uff09\u3092\u6574\u7406\u3057\u3066\u304a\u304d\u305f\u304b\u3063\u305f\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>eval \u3084 load \u6642\u306b\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u5185\u5bb9\u3092\u8868\u793a\u3059\u308b<\/h2>\n<p>Scm_Eval\/Scm_EvalCString \u3092\u7d39\u4ecb\u3057\u305f\u6642\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u30b3\u30fc\u30c9\uff08\u4f8b\u5916\u306e\u5185\u5bb9\u3092\u8868\u793a\u3059\u308b\u30b3\u30fc\u30c9\uff09\u3092\u8a18\u8ff0\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:c decode:true\">#include &lt;stdio.h&gt;\r\n#include &lt;gauche.h&gt;\r\n\r\nint main()\r\n{\r\n    const char *source = \"(+ 10 20)\";\r\n    ScmEvalPacket eval_packet;\r\n\r\n    GC_INIT();\r\n    Scm_Init(GAUCHE_SIGNATURE);\r\n\r\n    if(Scm_EvalCString(source, SCM_OBJ(Scm_UserModule()), &amp;eval_packet) &lt; 0) {\r\n        printf(\"[%s] %s\\n\",\r\n               SCM_STRING_CONST_CSTRING(Scm_ConditionTypeName(eval_packet.exception)),\r\n               SCM_STRING_CONST_CSTRING(Scm_ConditionMessage(eval_packet.exception)));\r\n    } else {\r\n        printf(\"%ld\\n\", SCM_INT_VALUE(eval_packet.results[0]));\r\n    }\r\n\r\n    return 0;\r\n}<\/pre>\n<p>\u3053\u306e\u51e6\u7406\u306f\u4f55\u5ea6\u304b\u767b\u5834\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30de\u30af\u30ed\u3092\u5b9a\u7fa9\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:c decode:true\">\/**\r\n * ScmEvalPacket \u3084 ScmLoadPacket \u306b\u542b\u307e\u308c\u308b\u4f8b\u5916\u60c5\u5831\u3092\u8868\u793a\u3057\u307e\u3059.\r\n *\/\r\n#define PRINT_EXCEPTION(packet) \\\r\n    printf(\"[%s] %s\\n\", \\\r\n           SCM_STRING_CONST_CSTRING(Scm_ConditionTypeName(packet.exception)), \\\r\n           SCM_STRING_CONST_CSTRING(Scm_ConditionMessage(packet.exception)));<\/pre>\n<p>\u95a2\u6570\u3067\u306f\u306a\u304f\u30de\u30af\u30ed\u3068\u3057\u3066\u3044\u308b\u7406\u7531\u306f\u3001ScmEvalPacket \u3068 ScmLoadPacket \u306e\u4e21\u65b9\u3092\u6271\u3044\u305f\u304b\u3063\u305f\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>ScmLoadPacket \u306f\u4eca\u5f8c\u53d6\u308a\u4e0a\u3052\u308b\u4e88\u5b9a\u306e Scm_Load\/Scm_LoadFromPort \uff08load \u76f8\u5f53\u306e\u51e6\u7406\u3092\u884c\u3046\u95a2\u6570\uff09\u3067\u4f7f\u7528\u3059\u308b\u69cb\u9020\u4f53\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5185\u5bb9\u3092\u8868\u793a\u3059\u308b<\/h2>\n<p><span style=\"text-decoration: underline;\">\u203b\u30b3\u30e1\u30f3\u30c8\u3067\u6559\u3048\u3066\u9802\u3044\u305f Scm_Printf() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u304c\u7c21\u5358\u3067\u3057\u305f\u306e\u3067\u3001\u300c\u8ffd\u8a18: Scm_Printf() \u3067\u8868\u793a\u3059\u308b\u300d\u3082\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<p>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5185\u5bb9\u3092\u8868\u793a\u3059\u308b\u65b9\u6cd5\u306f\u300cC\u8a00\u8a9e\u304b\u3089Gauche\u3092\u4f7f\u304a\u3046\uff01 (2) \u57fa\u672c\u7684\u306a\u5024\u306e\u751f\u6210\u300d\u3067\u3082\u767b\u5834\u3057\u307e\u3057\u305f\u304c\u3001\u30c7\u30fc\u30bf\u578b\u306b\u5fdc\u3058\u3066 SCM_INT_VALUE \u3084 SCM_BOOL_VALUE \u306a\u3069\u3092\u4f7f\u3044\u5206\u3051\u308b\u306e\u306f\u9762\u5012\u3067\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001Scheme \u306b\u304a\u3051\u308b\u300c(write object)\u300d\u76f8\u5f53\u306e\u51e6\u7406\u3092\u884c\u3046\u95a2\u6570 print_object \u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:c decode:true\">\/**\r\n * \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5185\u5bb9\u3092\u8868\u793a\u3057\u307e\u3059.\r\n * Scheme \u306b\u304a\u3051\u308b (write object) \u76f8\u5f53\u306e\u51e6\u7406\u3092\u884c\u3044\u307e\u3059.\r\n *\/\r\nvoid print_object(ScmObj object)\r\n{\r\n    ScmObj output = Scm_MakeOutputStringPort(TRUE);\r\n    Scm_Write(object, output, SCM_WRITE_DISPLAY);\r\n    printf(\"%s\\n\", SCM_STRING_CONST_CSTRING(Scm_GetOutputString(SCM_PORT(output), 0)));\r\n    Scm_ClosePort(SCM_PORT(output));\r\n}<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u8ffd\u8a18: Scm_Printf() \u3067\u8868\u793a\u3059\u308b<\/h2>\n<p>\u30b3\u30e1\u30f3\u30c8\u3067 shiro \u3055\u3093\u306b\u6559\u3048\u3066\u9802\u3044\u305f Scm_Printf() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\uff08\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\uff09<\/p>\n<p>\u624b\u8efd\u306b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5185\u5bb9\u3092\u8868\u793a\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u306e\u65b9\u6cd5\u304c\u304a\u52e7\u3081\u3067\u3059\u3002<\/p>\n<p>Scm_Printf() \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001C\u8a00\u8a9e\u306e fprintf() \u306e\u3088\u3046\u306a\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"lang:c decode:true\">Scm_Printf(SCM_CUROUT, \"The value is %S\\n\", obj);<\/pre>\n<p>\u95a2\u6570\u306e\u7b2c\u4e00\u5f15\u6570\u306b\u306f ScmPort* \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u6a19\u6e96\u51fa\u529b\u3092\u8868\u3059 SCM_CUROUT, \u6a19\u6e96\u30a8\u30e9\u30fc\u51fa\u529b\u3092\u8868\u3059 SCM_CURERR \u30de\u30af\u30ed\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>write.c \u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001Scm_Sprintf() \u3084 Scm_Vsprintf() \u306a\u3069\u3001\u540c\u3058\u7cfb\u7d71\u306e\u95a2\u6570\u3082\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u306e\u3067\u3001\u7528\u9014\u306b\u5fdc\u3058\u3066\u4f7f\u3044\u5206\u3051\u308b\u3068\u826f\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u4eca\u56de\u306f\u30c7\u30d0\u30c3\u30b0\u7528\u306e\u9053\u5177\u3068\u3044\u3046\u3053\u3068\u3067\u3001PRINT_EXCEPTION \u30de\u30af\u30ed\u3068 print_object \u95a2\u6570\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u6b21\u56de\u306f Scheme\u00a0 \u30d7\u30ed\u30b0\u30e9\u30e0\u3092 load \u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3053\u3093\u306b\u3061\u306f\u3001\u9234\u6728\u3067\u3059\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u300cC\u8a00\u8a9e\u304b\u3089Gauche\u3092\u4f7f\u304a\u3046\uff01\u300d\u30b7\u30ea\u30fc\u30ba\u3067\u3059\u3002<br \/><a href=\"https:\/\/www.techscore.com\/blog\/2013\/01\/28\/c%e8%a8%80%e8%aa%9e%e3%81%8b%e3%82%89gauche%e3%82%92%e4%bd%bf%e3%81%8a%e3%81%86%ef%bc%81-7-%e3%83%87%e3%83%90%e3%83%83%e3%82%b0%e7%94%a8%e3%81%ae%e9%81%93%e5%85%b7%e3%82%92%e6%ba%96%e5%82%99\/\">\u7d9a\u304d\u3092\u8aad\u3080...<\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[85,18],"tags":[79,78,77],"_links":{"self":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/1651"}],"collection":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/comments?post=1651"}],"version-history":[{"count":1,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/1651\/revisions"}],"predecessor-version":[{"id":17968,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/posts\/1651\/revisions\/17968"}],"wp:attachment":[{"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/media?parent=1651"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/categories?post=1651"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techscore.com\/blog\/wp-json\/wp\/v2\/tags?post=1651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}