mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
137 lines
2.8 KiB
C
137 lines
2.8 KiB
C
/*
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** print.c - Kernel#p, Kernel#print
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**
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** See Copyright Notice in mruby.h
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*/
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#include <mruby.h>
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#include <mruby/string.h>
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#include <mruby/variable.h>
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#include <mruby/error.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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#ifndef MRB_NO_STDIO
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static void
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printcstr(mrb_state *mrb, const char *str, size_t len, FILE *stream)
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{
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#if defined(_WIN32)
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if (isatty(fileno(stream))) {
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DWORD written;
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int wlen = MultiByteToWideChar(CP_UTF8, 0, str, (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, str, (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(str, (size_t)len, 1, stream);
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}
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static void
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printstr(mrb_state *mrb, mrb_value obj, FILE *stream)
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{
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if (!mrb_string_p(obj)) {
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obj = mrb_obj_as_string(mrb, obj);
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}
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printcstr(mrb, RSTRING_PTR(obj), RSTRING_LEN(obj), stream);
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}
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static void
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printstrln(mrb_state *mrb, mrb_value obj, FILE *stream)
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{
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printstr(mrb, obj, stream);
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printcstr(mrb, "\n", 1, stdout);
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}
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void
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mrb_core_init_printabort(mrb_state *mrb)
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{
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static const char *str = "Failed mruby core initialization";
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printcstr(mrb, str, strlen(str), stdout);
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}
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#ifndef HAVE_MRUBY_IO_GEM
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mrb_value
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mrb_print_m(mrb_state *mrb, mrb_value self)
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{
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mrb_int argc;
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mrb_value *argv;
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mrb_get_args(mrb, "*", &argv, &argc);
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for (mrb_int i=0; i<argc; i++) {
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printstr(mrb, mrb_obj_as_string(mrb, argv[i]), stdout);
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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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#endif
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MRB_API void
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mrb_p(mrb_state *mrb, mrb_value obj)
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{
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if (mrb_type(obj) == MRB_TT_EXCEPTION && mrb_obj_ptr(obj) == mrb->nomem_err) {
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static const char *str = "Out of memory\n";
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printcstr(mrb, str, strlen(str), stdout);
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}
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else {
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printstrln(mrb, mrb_inspect(mrb, obj), stdout);
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}
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if (isatty(fileno(stdout))) fflush(stdout);
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}
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MRB_API void
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mrb_show_version(mrb_state *mrb)
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{
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printstrln(mrb, mrb_const_get(mrb, mrb_obj_value(mrb->object_class), MRB_SYM(MRUBY_DESCRIPTION)), stdout);
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}
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MRB_API void
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mrb_show_copyright(mrb_state *mrb)
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{
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printstrln(mrb, mrb_const_get(mrb, mrb_obj_value(mrb->object_class), MRB_SYM(MRUBY_COPYRIGHT)), stdout);
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}
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#else
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void
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mrb_core_init_printabort(mrb_state *mrb)
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{
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}
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mrb_value
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mrb_print_m(mrb_state *mrb, mrb_value self)
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{
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return mrb_nil_value();
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}
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MRB_API void
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mrb_p(mrb_state *mrb, mrb_value obj)
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{
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}
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MRB_API void
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mrb_show_version(mrb_state *mrb)
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{
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}
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MRB_API void
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mrb_show_copyright(mrb_state *mrb)
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{
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}
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#endif
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