mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
#include <mruby.h>
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#ifdef MRB_NO_STDIO
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# error print conflicts 'MRB_NO_STDIO' in your build configuration
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#endif
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#include <mruby/string.h>
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#include <mruby/presym.h>
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#include <string.h>
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#if defined(_WIN32)
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# include <windows.h>
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# include <io.h>
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#ifdef _MSC_VER
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# define isatty(x) _isatty(x)
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# define fileno(x) _fileno(x)
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#endif
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#else
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# include <unistd.h>
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#endif
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static void
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printstr(mrb_state *mrb, mrb_value s)
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{
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if (mrb_string_p(s)) {
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const char *p = RSTRING_PTR(s);
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mrb_int len = RSTRING_LEN(s);
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#if defined(_WIN32)
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if (isatty(fileno(stdout))) {
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DWORD written;
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int wlen = MultiByteToWideChar(CP_UTF8, 0, p, (int)len, NULL, 0);
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wchar_t* utf16 = (wchar_t*)mrb_malloc(mrb, (wlen+1) * sizeof(wchar_t));
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if (MultiByteToWideChar(CP_UTF8, 0, p, (int)len, utf16, wlen) > 0) {
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utf16[wlen] = 0;
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WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE),
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utf16, (DWORD)wlen, &written, NULL);
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}
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mrb_free(mrb, utf16);
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return;
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}
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#endif
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fwrite(p, (size_t)len, 1, stdout);
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}
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}
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// ISO 15.3.1.2.10 Kernel.print
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// ISO 15.3.1.3.35 Kernel#print
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static mrb_value
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mrb_print(mrb_state *mrb, mrb_value self)
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{
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mrb_int argc = mrb_get_argc(mrb);
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const mrb_value *argv = mrb_get_argv(mrb);
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for (mrb_int i=0; i<argc; i++) {
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mrb_value str = mrb_obj_as_string(mrb, argv[i]);
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printstr(mrb, str);
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}
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if (isatty(fileno(stdout))) fflush(stdout);
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return mrb_nil_value();
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}
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void
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mrb_mruby_print_gem_init(mrb_state* mrb)
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{
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mrb_define_method_id(mrb, mrb->kernel_module, MRB_SYM(print), mrb_print, MRB_ARGS_ANY()); /* 15.3.1.3.35 */
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}
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void
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mrb_mruby_print_gem_final(mrb_state* mrb)
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{
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}
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