зеркало из https://github.com/github/ruby.git
3223 строки
94 KiB
C
3223 строки
94 KiB
C
/**********************************************************************
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ruby.c -
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$Author$
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created at: Tue Aug 10 12:47:31 JST 1993
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Copyright (C) 1993-2007 Yukihiro Matsumoto
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Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
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Copyright (C) 2000 Information-technology Promotion Agency, Japan
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**********************************************************************/
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#include "ruby/internal/config.h"
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#include <ctype.h>
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#include <stdio.h>
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#include <sys/types.h>
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#ifdef __CYGWIN__
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# include <windows.h>
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# include <sys/cygwin.h>
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#endif
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#if defined(LOAD_RELATIVE) && defined(HAVE_DLADDR)
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# include <dlfcn.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#if defined(HAVE_FCNTL_H)
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# include <fcntl.h>
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#elif defined(HAVE_SYS_FCNTL_H)
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# include <sys/fcntl.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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# include <sys/param.h>
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#endif
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#include "dln.h"
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#include "eval_intern.h"
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#include "internal.h"
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#include "internal/cmdlineopt.h"
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#include "internal/cont.h"
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#include "internal/error.h"
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#include "internal/file.h"
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#include "internal/inits.h"
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#include "internal/io.h"
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#include "internal/load.h"
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#include "internal/loadpath.h"
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#include "internal/missing.h"
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#include "internal/object.h"
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#include "internal/thread.h"
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#include "internal/ruby_parser.h"
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#include "internal/variable.h"
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#include "ruby/encoding.h"
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#include "ruby/thread.h"
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#include "ruby/util.h"
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#include "ruby/version.h"
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#include "ruby/internal/error.h"
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#define singlebit_only_p(x) !((x) & ((x)-1))
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STATIC_ASSERT(Qnil_1bit_from_Qfalse, singlebit_only_p(Qnil^Qfalse));
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STATIC_ASSERT(Qundef_1bit_from_Qnil, singlebit_only_p(Qundef^Qnil));
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#ifndef MAXPATHLEN
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# define MAXPATHLEN 1024
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#endif
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#ifndef O_ACCMODE
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# define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
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#endif
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void Init_ruby_description(ruby_cmdline_options_t *opt);
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#ifndef HAVE_STDLIB_H
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char *getenv();
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#endif
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#ifndef DISABLE_RUBYGEMS
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# define DISABLE_RUBYGEMS 0
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#endif
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#if DISABLE_RUBYGEMS
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#define DEFAULT_RUBYGEMS_ENABLED "disabled"
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#else
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#define DEFAULT_RUBYGEMS_ENABLED "enabled"
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#endif
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void rb_warning_category_update(unsigned int mask, unsigned int bits);
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#define COMMA ,
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#define FEATURE_BIT(bit) (1U << feature_##bit)
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#define EACH_FEATURES(X, SEP) \
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X(gems) \
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SEP \
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X(error_highlight) \
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SEP \
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X(did_you_mean) \
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SEP \
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X(syntax_suggest) \
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SEP \
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X(rubyopt) \
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SEP \
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X(frozen_string_literal) \
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SEP \
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X(rjit) \
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SEP \
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X(yjit) \
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/* END OF FEATURES */
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#define EACH_DEBUG_FEATURES(X, SEP) \
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X(frozen_string_literal) \
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/* END OF DEBUG FEATURES */
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#define AMBIGUOUS_FEATURE_NAMES 0 /* no ambiguous feature names now */
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#define DEFINE_FEATURE(bit) feature_##bit
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#define DEFINE_DEBUG_FEATURE(bit) feature_debug_##bit
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enum feature_flag_bits {
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EACH_FEATURES(DEFINE_FEATURE, COMMA),
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DEFINE_FEATURE(frozen_string_literal_set),
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feature_debug_flag_first,
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#if defined(RJIT_FORCE_ENABLE) || !USE_YJIT
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DEFINE_FEATURE(jit) = feature_rjit,
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#else
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DEFINE_FEATURE(jit) = feature_yjit,
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#endif
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feature_jit_mask = FEATURE_BIT(rjit) | FEATURE_BIT(yjit),
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feature_debug_flag_begin = feature_debug_flag_first - 1,
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EACH_DEBUG_FEATURES(DEFINE_DEBUG_FEATURE, COMMA),
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feature_flag_count
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};
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#define MULTI_BITS_P(bits) ((bits) & ((bits) - 1))
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#define DEBUG_BIT(bit) (1U << feature_debug_##bit)
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#define DUMP_BIT(bit) (1U << dump_##bit)
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#define DEFINE_DUMP(bit) dump_##bit
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#define EACH_DUMPS(X, SEP) \
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X(version) \
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SEP \
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X(copyright) \
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SEP \
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X(usage) \
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SEP \
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X(help) \
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SEP \
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X(yydebug) \
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SEP \
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X(syntax) \
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SEP \
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X(parsetree) \
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SEP \
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X(insns) \
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/* END OF DUMPS */
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enum dump_flag_bits {
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dump_version_v,
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dump_opt_error_tolerant,
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dump_opt_comment,
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dump_opt_optimize,
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EACH_DUMPS(DEFINE_DUMP, COMMA),
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dump_exit_bits = (DUMP_BIT(yydebug) | DUMP_BIT(syntax) |
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DUMP_BIT(parsetree) | DUMP_BIT(insns)),
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dump_optional_bits = (DUMP_BIT(opt_error_tolerant) |
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DUMP_BIT(opt_comment) |
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DUMP_BIT(opt_optimize))
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};
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static inline void
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rb_feature_set_to(ruby_features_t *feat, unsigned int bit_mask, unsigned int bit_set)
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{
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feat->mask |= bit_mask;
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feat->set = (feat->set & ~bit_mask) | bit_set;
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}
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#define FEATURE_SET_TO(feat, bit_mask, bit_set) \
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rb_feature_set_to(&(feat), bit_mask, bit_set)
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#define FEATURE_SET(feat, bits) FEATURE_SET_TO(feat, bits, bits)
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#define FEATURE_SET_RESTORE(feat, save) FEATURE_SET_TO(feat, (save).mask, (save).set & (save).mask)
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#define FEATURE_SET_P(feat, bits) ((feat).set & FEATURE_BIT(bits))
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#define FEATURE_USED_P(feat, bits) ((feat).mask & FEATURE_BIT(bits))
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#define FEATURE_SET_BITS(feat) ((feat).set & (feat).mask)
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static void init_ids(ruby_cmdline_options_t *);
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#define src_encoding_index GET_VM()->src_encoding_index
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enum {
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COMPILATION_FEATURES = (
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0
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| FEATURE_BIT(frozen_string_literal)
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| FEATURE_BIT(frozen_string_literal_set)
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| FEATURE_BIT(debug_frozen_string_literal)
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),
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DEFAULT_FEATURES = (
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(FEATURE_BIT(debug_flag_first)-1)
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#if DISABLE_RUBYGEMS
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& ~FEATURE_BIT(gems)
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#endif
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& ~FEATURE_BIT(frozen_string_literal)
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& ~FEATURE_BIT(frozen_string_literal_set)
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& ~feature_jit_mask
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)
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};
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#define BACKTRACE_LENGTH_LIMIT_VALID_P(n) ((n) >= -1)
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#define OPT_BACKTRACE_LENGTH_LIMIT_VALID_P(opt) \
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BACKTRACE_LENGTH_LIMIT_VALID_P((opt)->backtrace_length_limit)
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static ruby_cmdline_options_t *
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cmdline_options_init(ruby_cmdline_options_t *opt)
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{
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MEMZERO(opt, *opt, 1);
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init_ids(opt);
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opt->src.enc.index = src_encoding_index;
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opt->ext.enc.index = -1;
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opt->intern.enc.index = -1;
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opt->features.set = DEFAULT_FEATURES;
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#ifdef RJIT_FORCE_ENABLE /* to use with: ./configure cppflags="-DRJIT_FORCE_ENABLE" */
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opt->features.set |= FEATURE_BIT(rjit);
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#elif defined(YJIT_FORCE_ENABLE)
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opt->features.set |= FEATURE_BIT(yjit);
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#endif
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opt->dump |= DUMP_BIT(opt_optimize);
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opt->backtrace_length_limit = LONG_MIN;
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return opt;
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}
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static VALUE load_file(VALUE parser, VALUE fname, VALUE f, int script,
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ruby_cmdline_options_t *opt);
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static VALUE open_load_file(VALUE fname_v, int *xflag);
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static void forbid_setid(const char *, const ruby_cmdline_options_t *);
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#define forbid_setid(s) forbid_setid((s), opt)
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static struct {
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int argc;
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char **argv;
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} origarg;
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static const char esc_standout[] = "\n\033[1;7m";
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static const char esc_bold[] = "\033[1m";
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static const char esc_reset[] = "\033[0m";
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static const char esc_none[] = "";
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#define USAGE_INDENT " " /* macro for concatenation */
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static void
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show_usage_part(const char *str, const unsigned int namelen,
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const char *str2, const unsigned int secondlen,
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const char *desc,
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int help, int highlight, unsigned int w, int columns)
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{
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static const int indent_width = (int)rb_strlen_lit(USAGE_INDENT);
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const char *sb = highlight ? esc_bold : esc_none;
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const char *se = highlight ? esc_reset : esc_none;
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unsigned int desclen = (unsigned int)strcspn(desc, "\n");
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if (!help && desclen > 0 && strchr(".;:", desc[desclen-1])) --desclen;
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if (help && (namelen + 1 > w) && /* a padding space */
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(int)(namelen + secondlen + indent_width) >= columns) {
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printf(USAGE_INDENT "%s" "%.*s" "%s\n", sb, namelen, str, se);
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if (secondlen > 0) {
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const int second_end = secondlen;
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int n = 0;
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if (str2[n] == ',') n++;
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if (str2[n] == ' ') n++;
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printf(USAGE_INDENT "%s" "%.*s" "%s\n", sb, second_end-n, str2+n, se);
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}
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printf("%-*s%.*s\n", w + indent_width, USAGE_INDENT, desclen, desc);
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}
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else {
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const int wrap = help && namelen + secondlen >= w;
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printf(USAGE_INDENT "%s%.*s%-*.*s%s%-*s%.*s\n", sb, namelen, str,
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(wrap ? 0 : w - namelen),
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(help ? secondlen : 0), str2, se,
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(wrap ? (int)(w + rb_strlen_lit("\n" USAGE_INDENT)) : 0),
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(wrap ? "\n" USAGE_INDENT : ""),
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desclen, desc);
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}
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if (help) {
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while (desc[desclen]) {
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desc += desclen + rb_strlen_lit("\n");
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desclen = (unsigned int)strcspn(desc, "\n");
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printf("%-*s%.*s\n", w + indent_width, USAGE_INDENT, desclen, desc);
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}
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}
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}
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static void
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show_usage_line(const struct ruby_opt_message *m,
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int help, int highlight, unsigned int w, int columns)
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{
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const char *str = m->str;
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const unsigned int namelen = m->namelen, secondlen = m->secondlen;
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const char *desc = str + namelen + secondlen;
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show_usage_part(str, namelen - 1, str + namelen, secondlen - 1, desc,
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help, highlight, w, columns);
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}
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void
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ruby_show_usage_line(const char *name, const char *secondary, const char *description,
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int help, int highlight, unsigned int width, int columns)
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{
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unsigned int namelen = (unsigned int)strlen(name);
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unsigned int secondlen = (secondary ? (unsigned int)strlen(secondary) : 0);
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show_usage_part(name, namelen, secondary, secondlen,
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description, help, highlight, width, columns);
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}
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static void
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usage(const char *name, int help, int highlight, int columns)
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{
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#define M(shortopt, longopt, desc) RUBY_OPT_MESSAGE(shortopt, longopt, desc)
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#if USE_YJIT
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# define PLATFORM_JIT_OPTION "--yjit"
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#else
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# define PLATFORM_JIT_OPTION "--rjit (experimental)"
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#endif
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/* This message really ought to be max 23 lines.
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* Removed -h because the user already knows that option. Others? */
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static const struct ruby_opt_message usage_msg[] = {
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M("-0[octal]", "", "Set input record separator ($/):\n"
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"-0 for \\0; -00 for paragraph mode; -0777 for slurp mode."),
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M("-a", "", "Split each input line ($_) into fields ($F)."),
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M("-c", "", "Check syntax (no execution)."),
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M("-Cdirpath", "", "Execute program in specified directory."),
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M("-d", ", --debug", "Set debugging flag ($DEBUG) to true."),
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M("-e 'code'", "", "Execute given Ruby code; multiple -e allowed."),
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M("-Eex[:in]", ", --encoding=ex[:in]", "Set default external and internal encodings."),
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M("-Fpattern", "", "Set input field separator ($;); used with -a."),
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M("-i[extension]", "", "Set ARGF in-place mode;\n"
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"create backup files with given extension."),
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M("-Idirpath", "", "Add specified directory to load paths ($LOAD_PATH);\n"
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"multiple -I allowed."),
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M("-l", "", "Set output record separator ($\\) to $/;\n"
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"used for line-oriented output."),
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M("-n", "", "Run program in gets loop."),
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M("-p", "", "Like -n, with printing added."),
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M("-rlibrary", "", "Require the given library."),
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M("-s", "", "Define global variables using switches following program path."),
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M("-S", "", "Search directories found in the PATH environment variable."),
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M("-v", "", "Print version; set $VERBOSE to true."),
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M("-w", "", "Synonym for -W1."),
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M("-W[level=2|:category]", "", "Set warning flag ($-W):\n"
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"0 for silent; 1 for moderate; 2 for verbose."),
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M("-x[dirpath]", "", "Execute Ruby code starting from a #!ruby line."),
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M("--jit", "", "Enable JIT for the platform; same as " PLATFORM_JIT_OPTION "."),
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#if USE_YJIT
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M("--yjit", "", "Enable in-process JIT compiler."),
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#endif
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#if USE_RJIT
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M("--rjit", "", "Enable pure-Ruby JIT compiler (experimental)."),
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#endif
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M("-h", "", "Print this help message; use --help for longer message."),
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};
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STATIC_ASSERT(usage_msg_size, numberof(usage_msg) < 25);
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static const struct ruby_opt_message help_msg[] = {
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M("--backtrace-limit=num", "", "Set backtrace limit."),
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M("--copyright", "", "Print Ruby copyright."),
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M("--crash-report=template", "", "Set template for crash report file."),
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M("--disable=features", "", "Disable features; see list below."),
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M("--dump=items", "", "Dump items; see list below."),
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M("--enable=features", "", "Enable features; see list below."),
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M("--external-encoding=encoding", "", "Set default external encoding."),
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M("--help", "", "Print long help message; use -h for short message."),
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M("--internal-encoding=encoding", "", "Set default internal encoding."),
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M("--parser=parser", "", "Set Ruby parser: parse.y or prism."),
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M("--verbose", "", "Set $VERBOSE to true; ignore input from $stdin."),
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M("--version", "", "Print Ruby version."),
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M("-y", ", --yydebug", "Print parser log; backward compatibility not guaranteed."),
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};
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static const struct ruby_opt_message dumps[] = {
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M("insns", "", "Instruction sequences."),
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M("yydebug", "", "yydebug of yacc parser generator."),
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M("parsetree", "", "Abstract syntax tree (AST)."),
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M("-optimize", "", "Disable optimization (affects insns)."),
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M("+error-tolerant", "", "Error-tolerant parsing (affects yydebug, parsetree)."),
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M("+comment", "", "Add comments to AST (affects parsetree)."),
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};
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static const struct ruby_opt_message features[] = {
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M("gems", "", "Rubygems (only for debugging, default: "DEFAULT_RUBYGEMS_ENABLED")."),
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M("error_highlight", "", "error_highlight (default: "DEFAULT_RUBYGEMS_ENABLED")."),
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M("did_you_mean", "", "did_you_mean (default: "DEFAULT_RUBYGEMS_ENABLED")."),
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M("syntax_suggest", "", "syntax_suggest (default: "DEFAULT_RUBYGEMS_ENABLED")."),
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M("rubyopt", "", "RUBYOPT environment variable (default: enabled)."),
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M("frozen-string-literal", "", "Freeze all string literals (default: disabled)."),
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#if USE_YJIT
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M("yjit", "", "In-process JIT compiler (default: disabled)."),
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#endif
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#if USE_RJIT
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M("rjit", "", "Pure-Ruby JIT compiler (experimental, default: disabled)."),
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#endif
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};
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static const struct ruby_opt_message warn_categories[] = {
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M("deprecated", "", "Deprecated features."),
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M("experimental", "", "Experimental features."),
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M("performance", "", "Performance issues."),
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M("strict_unused_block", "", "Warning unused block strictly"),
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};
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#if USE_RJIT
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extern const struct ruby_opt_message rb_rjit_option_messages[];
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#endif
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int i;
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const char *sb = highlight ? esc_standout+1 : esc_none;
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const char *se = highlight ? esc_reset : esc_none;
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const int num = numberof(usage_msg) - (help ? 1 : 0);
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unsigned int w = (columns > 80 ? (columns - 79) / 2 : 0) + 16;
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#define SHOW(m) show_usage_line(&(m), help, highlight, w, columns)
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printf("%sUsage:%s %s [options] [--] [filepath] [arguments]\n", sb, se, name);
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for (i = 0; i < num; ++i)
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SHOW(usage_msg[i]);
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if (!help) return;
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if (highlight) sb = esc_standout;
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for (i = 0; i < numberof(help_msg); ++i)
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SHOW(help_msg[i]);
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printf("%s""Dump List:%s\n", sb, se);
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for (i = 0; i < numberof(dumps); ++i)
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SHOW(dumps[i]);
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printf("%s""Features:%s\n", sb, se);
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for (i = 0; i < numberof(features); ++i)
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SHOW(features[i]);
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printf("%s""Warning categories:%s\n", sb, se);
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for (i = 0; i < numberof(warn_categories); ++i)
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SHOW(warn_categories[i]);
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#if USE_YJIT
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printf("%s""YJIT options:%s\n", sb, se);
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rb_yjit_show_usage(help, highlight, w, columns);
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#endif
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#if USE_RJIT
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printf("%s""RJIT options (experimental):%s\n", sb, se);
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for (i = 0; rb_rjit_option_messages[i].str; ++i)
|
|
SHOW(rb_rjit_option_messages[i]);
|
|
#endif
|
|
}
|
|
|
|
#define rubylib_path_new rb_str_new
|
|
|
|
static void
|
|
ruby_push_include(const char *path, VALUE (*filter)(VALUE))
|
|
{
|
|
const char sep = PATH_SEP_CHAR;
|
|
const char *p, *s;
|
|
VALUE load_path = GET_VM()->load_path;
|
|
#ifdef __CYGWIN__
|
|
char rubylib[FILENAME_MAX];
|
|
VALUE buf = 0;
|
|
# define is_path_sep(c) ((c) == sep || (c) == ';')
|
|
#else
|
|
# define is_path_sep(c) ((c) == sep)
|
|
#endif
|
|
|
|
if (path == 0) return;
|
|
p = path;
|
|
while (*p) {
|
|
long len;
|
|
while (is_path_sep(*p))
|
|
p++;
|
|
if (!*p) break;
|
|
for (s = p; *s && !is_path_sep(*s); s = CharNext(s));
|
|
len = s - p;
|
|
#undef is_path_sep
|
|
|
|
#ifdef __CYGWIN__
|
|
if (*s) {
|
|
if (!buf) {
|
|
buf = rb_str_new(p, len);
|
|
p = RSTRING_PTR(buf);
|
|
}
|
|
else {
|
|
rb_str_resize(buf, len);
|
|
p = strncpy(RSTRING_PTR(buf), p, len);
|
|
}
|
|
}
|
|
#ifdef HAVE_CYGWIN_CONV_PATH
|
|
#define CONV_TO_POSIX_PATH(p, lib) \
|
|
cygwin_conv_path(CCP_WIN_A_TO_POSIX|CCP_RELATIVE, (p), (lib), sizeof(lib))
|
|
#else
|
|
# error no cygwin_conv_path
|
|
#endif
|
|
if (CONV_TO_POSIX_PATH(p, rubylib) == 0) {
|
|
p = rubylib;
|
|
len = strlen(p);
|
|
}
|
|
#endif
|
|
rb_ary_push(load_path, (*filter)(rubylib_path_new(p, len)));
|
|
p = s;
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
identical_path(VALUE path)
|
|
{
|
|
return path;
|
|
}
|
|
|
|
static VALUE
|
|
locale_path(VALUE path)
|
|
{
|
|
rb_enc_associate(path, rb_locale_encoding());
|
|
return path;
|
|
}
|
|
|
|
void
|
|
ruby_incpush(const char *path)
|
|
{
|
|
ruby_push_include(path, locale_path);
|
|
}
|
|
|
|
static VALUE
|
|
expand_include_path(VALUE path)
|
|
{
|
|
char *p = RSTRING_PTR(path);
|
|
if (!p)
|
|
return path;
|
|
if (*p == '.' && p[1] == '/')
|
|
return path;
|
|
return rb_file_expand_path(path, Qnil);
|
|
}
|
|
|
|
void
|
|
ruby_incpush_expand(const char *path)
|
|
{
|
|
ruby_push_include(path, expand_include_path);
|
|
}
|
|
|
|
#undef UTF8_PATH
|
|
#if defined _WIN32 || defined __CYGWIN__
|
|
static HMODULE libruby;
|
|
|
|
BOOL WINAPI
|
|
DllMain(HINSTANCE dll, DWORD reason, LPVOID reserved)
|
|
{
|
|
if (reason == DLL_PROCESS_ATTACH)
|
|
libruby = dll;
|
|
return TRUE;
|
|
}
|
|
|
|
HANDLE
|
|
rb_libruby_handle(void)
|
|
{
|
|
return libruby;
|
|
}
|
|
|
|
static inline void
|
|
translit_char_bin(char *p, int from, int to)
|
|
{
|
|
while (*p) {
|
|
if ((unsigned char)*p == from)
|
|
*p = to;
|
|
p++;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
# undef chdir
|
|
# define chdir rb_w32_uchdir
|
|
# define UTF8_PATH 1
|
|
#endif
|
|
|
|
#ifndef UTF8_PATH
|
|
# define UTF8_PATH 0
|
|
#endif
|
|
#if UTF8_PATH
|
|
# define IF_UTF8_PATH(t, f) t
|
|
#else
|
|
# define IF_UTF8_PATH(t, f) f
|
|
#endif
|
|
|
|
#if UTF8_PATH
|
|
static VALUE
|
|
str_conv_enc(VALUE str, rb_encoding *from, rb_encoding *to)
|
|
{
|
|
return rb_str_conv_enc_opts(str, from, to,
|
|
ECONV_UNDEF_REPLACE|ECONV_INVALID_REPLACE,
|
|
Qnil);
|
|
}
|
|
#else
|
|
# define str_conv_enc(str, from, to) (str)
|
|
#endif
|
|
|
|
void ruby_init_loadpath(void);
|
|
|
|
#if defined(LOAD_RELATIVE)
|
|
static VALUE
|
|
runtime_libruby_path(void)
|
|
{
|
|
#if defined _WIN32 || defined __CYGWIN__
|
|
DWORD ret;
|
|
DWORD len = 32;
|
|
VALUE path;
|
|
VALUE wsopath = rb_str_new(0, len*sizeof(WCHAR));
|
|
WCHAR *wlibpath;
|
|
char *libpath;
|
|
|
|
while (wlibpath = (WCHAR *)RSTRING_PTR(wsopath),
|
|
ret = GetModuleFileNameW(libruby, wlibpath, len),
|
|
(ret == len))
|
|
{
|
|
rb_str_modify_expand(wsopath, len*sizeof(WCHAR));
|
|
rb_str_set_len(wsopath, (len += len)*sizeof(WCHAR));
|
|
}
|
|
if (!ret || ret > len) rb_fatal("failed to get module file name");
|
|
#if defined __CYGWIN__
|
|
{
|
|
const int win_to_posix = CCP_WIN_W_TO_POSIX | CCP_RELATIVE;
|
|
size_t newsize = cygwin_conv_path(win_to_posix, wlibpath, 0, 0);
|
|
if (!newsize) rb_fatal("failed to convert module path to cygwin");
|
|
path = rb_str_new(0, newsize);
|
|
libpath = RSTRING_PTR(path);
|
|
if (cygwin_conv_path(win_to_posix, wlibpath, libpath, newsize)) {
|
|
rb_str_resize(path, 0);
|
|
}
|
|
}
|
|
#else
|
|
{
|
|
DWORD i;
|
|
for (len = ret, i = 0; i < len; ++i) {
|
|
if (wlibpath[i] == L'\\') {
|
|
wlibpath[i] = L'/';
|
|
ret = i+1; /* chop after the last separator */
|
|
}
|
|
}
|
|
}
|
|
len = WideCharToMultiByte(CP_UTF8, 0, wlibpath, ret, NULL, 0, NULL, NULL);
|
|
path = rb_utf8_str_new(0, len);
|
|
libpath = RSTRING_PTR(path);
|
|
WideCharToMultiByte(CP_UTF8, 0, wlibpath, ret, libpath, len, NULL, NULL);
|
|
#endif
|
|
rb_str_resize(wsopath, 0);
|
|
return path;
|
|
#elif defined(HAVE_DLADDR)
|
|
Dl_info dli;
|
|
VALUE fname, path;
|
|
const void* addr = (void *)(VALUE)expand_include_path;
|
|
|
|
if (!dladdr((void *)addr, &dli)) {
|
|
return rb_str_new(0, 0);
|
|
}
|
|
#ifdef __linux__
|
|
else if (origarg.argc > 0 && origarg.argv && dli.dli_fname == origarg.argv[0]) {
|
|
fname = rb_str_new_cstr("/proc/self/exe");
|
|
path = rb_readlink(fname, NULL);
|
|
}
|
|
#endif
|
|
else {
|
|
fname = rb_str_new_cstr(dli.dli_fname);
|
|
path = rb_realpath_internal(Qnil, fname, 1);
|
|
}
|
|
rb_str_resize(fname, 0);
|
|
return path;
|
|
#else
|
|
# error relative load path is not supported on this platform.
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
#define INITIAL_LOAD_PATH_MARK rb_intern_const("@gem_prelude_index")
|
|
|
|
VALUE ruby_archlibdir_path, ruby_prefix_path;
|
|
|
|
void
|
|
ruby_init_loadpath(void)
|
|
{
|
|
VALUE load_path, archlibdir = 0;
|
|
ID id_initial_load_path_mark;
|
|
const char *paths = ruby_initial_load_paths;
|
|
|
|
#if defined LOAD_RELATIVE
|
|
#if !defined ENABLE_MULTIARCH
|
|
# define RUBY_ARCH_PATH ""
|
|
#elif defined RUBY_ARCH
|
|
# define RUBY_ARCH_PATH "/"RUBY_ARCH
|
|
#else
|
|
# define RUBY_ARCH_PATH "/"RUBY_PLATFORM
|
|
#endif
|
|
char *libpath;
|
|
VALUE sopath;
|
|
size_t baselen;
|
|
const char *p;
|
|
|
|
sopath = runtime_libruby_path();
|
|
libpath = RSTRING_PTR(sopath);
|
|
|
|
p = strrchr(libpath, '/');
|
|
if (p) {
|
|
static const char libdir[] = "/"
|
|
#ifdef LIBDIR_BASENAME
|
|
LIBDIR_BASENAME
|
|
#else
|
|
"lib"
|
|
#endif
|
|
RUBY_ARCH_PATH;
|
|
const ptrdiff_t libdir_len = (ptrdiff_t)sizeof(libdir)
|
|
- rb_strlen_lit(RUBY_ARCH_PATH) - 1;
|
|
static const char bindir[] = "/bin";
|
|
const ptrdiff_t bindir_len = (ptrdiff_t)sizeof(bindir) - 1;
|
|
|
|
const char *p2 = NULL;
|
|
|
|
#ifdef ENABLE_MULTIARCH
|
|
multiarch:
|
|
#endif
|
|
if (p - libpath >= bindir_len && !STRNCASECMP(p - bindir_len, bindir, bindir_len)) {
|
|
p -= bindir_len;
|
|
archlibdir = rb_str_subseq(sopath, 0, p - libpath);
|
|
rb_str_cat_cstr(archlibdir, libdir);
|
|
OBJ_FREEZE(archlibdir);
|
|
}
|
|
else if (p - libpath >= libdir_len && !strncmp(p - libdir_len, libdir, libdir_len)) {
|
|
archlibdir = rb_str_subseq(sopath, 0, (p2 ? p2 : p) - libpath);
|
|
OBJ_FREEZE(archlibdir);
|
|
p -= libdir_len;
|
|
}
|
|
#ifdef ENABLE_MULTIARCH
|
|
else if (p2) {
|
|
p = p2;
|
|
}
|
|
else {
|
|
p2 = p;
|
|
p = rb_enc_path_last_separator(libpath, p, rb_ascii8bit_encoding());
|
|
if (p) goto multiarch;
|
|
p = p2;
|
|
}
|
|
#endif
|
|
baselen = p - libpath;
|
|
}
|
|
else {
|
|
baselen = 0;
|
|
}
|
|
rb_str_resize(sopath, baselen);
|
|
libpath = RSTRING_PTR(sopath);
|
|
#define PREFIX_PATH() sopath
|
|
#define BASEPATH() rb_str_buf_cat(rb_str_buf_new(baselen+len), libpath, baselen)
|
|
#define RUBY_RELATIVE(path, len) rb_str_buf_cat(BASEPATH(), (path), (len))
|
|
#else
|
|
const size_t exec_prefix_len = strlen(ruby_exec_prefix);
|
|
#define RUBY_RELATIVE(path, len) rubylib_path_new((path), (len))
|
|
#define PREFIX_PATH() RUBY_RELATIVE(ruby_exec_prefix, exec_prefix_len)
|
|
#endif
|
|
rb_gc_register_address(&ruby_prefix_path);
|
|
ruby_prefix_path = PREFIX_PATH();
|
|
OBJ_FREEZE(ruby_prefix_path);
|
|
if (!archlibdir) archlibdir = ruby_prefix_path;
|
|
rb_gc_register_address(&ruby_archlibdir_path);
|
|
ruby_archlibdir_path = archlibdir;
|
|
|
|
load_path = GET_VM()->load_path;
|
|
|
|
ruby_push_include(getenv("RUBYLIB"), identical_path);
|
|
|
|
id_initial_load_path_mark = INITIAL_LOAD_PATH_MARK;
|
|
while (*paths) {
|
|
size_t len = strlen(paths);
|
|
VALUE path = RUBY_RELATIVE(paths, len);
|
|
rb_ivar_set(path, id_initial_load_path_mark, path);
|
|
rb_ary_push(load_path, path);
|
|
paths += len + 1;
|
|
}
|
|
|
|
rb_const_set(rb_cObject, rb_intern_const("TMP_RUBY_PREFIX"), ruby_prefix_path);
|
|
}
|
|
|
|
|
|
static void
|
|
add_modules(VALUE *req_list, const char *mod)
|
|
{
|
|
VALUE list = *req_list;
|
|
VALUE feature;
|
|
|
|
if (!list) {
|
|
*req_list = list = rb_ary_hidden_new(0);
|
|
}
|
|
feature = rb_str_cat_cstr(rb_str_tmp_new(0), mod);
|
|
rb_ary_push(list, feature);
|
|
}
|
|
|
|
static void
|
|
require_libraries(VALUE *req_list)
|
|
{
|
|
VALUE list = *req_list;
|
|
VALUE self = rb_vm_top_self();
|
|
ID require;
|
|
rb_encoding *extenc = rb_default_external_encoding();
|
|
|
|
CONST_ID(require, "require");
|
|
while (list && RARRAY_LEN(list) > 0) {
|
|
VALUE feature = rb_ary_shift(list);
|
|
rb_enc_associate(feature, extenc);
|
|
RBASIC_SET_CLASS_RAW(feature, rb_cString);
|
|
OBJ_FREEZE(feature);
|
|
rb_funcallv(self, require, 1, &feature);
|
|
}
|
|
*req_list = 0;
|
|
}
|
|
|
|
static const struct rb_block*
|
|
toplevel_context(rb_binding_t *bind)
|
|
{
|
|
return &bind->block;
|
|
}
|
|
|
|
static int
|
|
process_sflag(int sflag)
|
|
{
|
|
if (sflag > 0) {
|
|
long n;
|
|
const VALUE *args;
|
|
VALUE argv = rb_argv;
|
|
|
|
n = RARRAY_LEN(argv);
|
|
args = RARRAY_CONST_PTR(argv);
|
|
while (n > 0) {
|
|
VALUE v = *args++;
|
|
char *s = StringValuePtr(v);
|
|
char *p;
|
|
int hyphen = FALSE;
|
|
|
|
if (s[0] != '-')
|
|
break;
|
|
n--;
|
|
if (s[1] == '-' && s[2] == '\0')
|
|
break;
|
|
|
|
v = Qtrue;
|
|
/* check if valid name before replacing - with _ */
|
|
for (p = s + 1; *p; p++) {
|
|
if (*p == '=') {
|
|
*p++ = '\0';
|
|
v = rb_str_new2(p);
|
|
break;
|
|
}
|
|
if (*p == '-') {
|
|
hyphen = TRUE;
|
|
}
|
|
else if (*p != '_' && !ISALNUM(*p)) {
|
|
VALUE name_error[2];
|
|
name_error[0] =
|
|
rb_str_new2("invalid name for global variable - ");
|
|
if (!(p = strchr(p, '='))) {
|
|
rb_str_cat2(name_error[0], s);
|
|
}
|
|
else {
|
|
rb_str_cat(name_error[0], s, p - s);
|
|
}
|
|
name_error[1] = args[-1];
|
|
rb_exc_raise(rb_class_new_instance(2, name_error, rb_eNameError));
|
|
}
|
|
}
|
|
s[0] = '$';
|
|
if (hyphen) {
|
|
for (p = s + 1; *p; ++p) {
|
|
if (*p == '-')
|
|
*p = '_';
|
|
}
|
|
}
|
|
rb_gv_set(s, v);
|
|
}
|
|
n = RARRAY_LEN(argv) - n;
|
|
while (n--) {
|
|
rb_ary_shift(argv);
|
|
}
|
|
return -1;
|
|
}
|
|
return sflag;
|
|
}
|
|
|
|
static long proc_options(long argc, char **argv, ruby_cmdline_options_t *opt, int envopt);
|
|
|
|
static void
|
|
moreswitches(const char *s, ruby_cmdline_options_t *opt, int envopt)
|
|
{
|
|
long argc, i, len;
|
|
char **argv, *p;
|
|
const char *ap = 0;
|
|
VALUE argstr, argary;
|
|
void *ptr;
|
|
|
|
VALUE src_enc_name = opt->src.enc.name;
|
|
VALUE ext_enc_name = opt->ext.enc.name;
|
|
VALUE int_enc_name = opt->intern.enc.name;
|
|
ruby_features_t feat = opt->features;
|
|
ruby_features_t warn = opt->warn;
|
|
long backtrace_length_limit = opt->backtrace_length_limit;
|
|
const char *crash_report = opt->crash_report;
|
|
|
|
while (ISSPACE(*s)) s++;
|
|
if (!*s) return;
|
|
|
|
opt->src.enc.name = opt->ext.enc.name = opt->intern.enc.name = 0;
|
|
|
|
const int hyphen = *s != '-';
|
|
argstr = rb_str_tmp_new((len = strlen(s)) + hyphen);
|
|
argary = rb_str_tmp_new(0);
|
|
|
|
p = RSTRING_PTR(argstr);
|
|
if (hyphen) *p = '-';
|
|
memcpy(p + hyphen, s, len + 1);
|
|
ap = 0;
|
|
rb_str_cat(argary, (char *)&ap, sizeof(ap));
|
|
while (*p) {
|
|
ap = p;
|
|
rb_str_cat(argary, (char *)&ap, sizeof(ap));
|
|
while (*p && !ISSPACE(*p)) ++p;
|
|
if (!*p) break;
|
|
*p++ = '\0';
|
|
while (ISSPACE(*p)) ++p;
|
|
}
|
|
argc = RSTRING_LEN(argary) / sizeof(ap);
|
|
ap = 0;
|
|
rb_str_cat(argary, (char *)&ap, sizeof(ap));
|
|
argv = ptr = ALLOC_N(char *, argc);
|
|
MEMMOVE(argv, RSTRING_PTR(argary), char *, argc);
|
|
|
|
while ((i = proc_options(argc, argv, opt, envopt)) > 1 && envopt && (argc -= i) > 0) {
|
|
argv += i;
|
|
if (**argv != '-') {
|
|
*--*argv = '-';
|
|
}
|
|
if ((*argv)[1]) {
|
|
++argc;
|
|
--argv;
|
|
}
|
|
}
|
|
|
|
if (src_enc_name) {
|
|
opt->src.enc.name = src_enc_name;
|
|
}
|
|
if (ext_enc_name) {
|
|
opt->ext.enc.name = ext_enc_name;
|
|
}
|
|
if (int_enc_name) {
|
|
opt->intern.enc.name = int_enc_name;
|
|
}
|
|
FEATURE_SET_RESTORE(opt->features, feat);
|
|
FEATURE_SET_RESTORE(opt->warn, warn);
|
|
if (BACKTRACE_LENGTH_LIMIT_VALID_P(backtrace_length_limit)) {
|
|
opt->backtrace_length_limit = backtrace_length_limit;
|
|
}
|
|
if (crash_report) {
|
|
opt->crash_report = crash_report;
|
|
}
|
|
|
|
ruby_xfree(ptr);
|
|
/* get rid of GC */
|
|
rb_str_resize(argary, 0);
|
|
rb_str_resize(argstr, 0);
|
|
}
|
|
|
|
static int
|
|
name_match_p(const char *name, const char *str, size_t len)
|
|
{
|
|
if (len == 0) return 0;
|
|
while (1) {
|
|
while (TOLOWER(*str) == *name) {
|
|
if (!--len) return 1;
|
|
++name;
|
|
++str;
|
|
}
|
|
if (*str != '-' && *str != '_') return 0;
|
|
while (ISALNUM(*name)) name++;
|
|
if (*name != '-' && *name != '_') return 0;
|
|
if (!*++name) return 1;
|
|
++str;
|
|
if (--len == 0) return 1;
|
|
}
|
|
}
|
|
|
|
#define NAME_MATCH_P(name, str, len) \
|
|
((len) < (int)sizeof(name) && name_match_p((name), (str), (len)))
|
|
|
|
#define UNSET_WHEN(name, bit, str, len) \
|
|
if (NAME_MATCH_P((name), (str), (len))) { \
|
|
*(unsigned int *)arg &= ~(bit); \
|
|
return; \
|
|
}
|
|
|
|
#define SET_WHEN(name, bit, str, len) \
|
|
if (NAME_MATCH_P((name), (str), (len))) { \
|
|
*(unsigned int *)arg |= (bit); \
|
|
return; \
|
|
}
|
|
|
|
#define LITERAL_NAME_ELEMENT(name) #name
|
|
|
|
static void
|
|
feature_option(const char *str, int len, void *arg, const unsigned int enable)
|
|
{
|
|
static const char list[] = EACH_FEATURES(LITERAL_NAME_ELEMENT, ", ");
|
|
ruby_features_t *argp = arg;
|
|
unsigned int mask = ~0U;
|
|
unsigned int set = 0U;
|
|
#if AMBIGUOUS_FEATURE_NAMES
|
|
int matched = 0;
|
|
# define FEATURE_FOUND ++matched
|
|
#else
|
|
# define FEATURE_FOUND goto found
|
|
#endif
|
|
#define SET_FEATURE(bit) \
|
|
if (NAME_MATCH_P(#bit, str, len)) {set |= mask = FEATURE_BIT(bit); FEATURE_FOUND;}
|
|
EACH_FEATURES(SET_FEATURE, ;);
|
|
if (NAME_MATCH_P("jit", str, len)) { // This allows you to cancel --jit
|
|
set |= mask = FEATURE_BIT(jit);
|
|
goto found;
|
|
}
|
|
if (NAME_MATCH_P("all", str, len)) {
|
|
// YJIT and RJIT cannot be enabled at the same time. We enable only one for --enable=all.
|
|
mask &= ~feature_jit_mask | FEATURE_BIT(jit);
|
|
goto found;
|
|
}
|
|
#if AMBIGUOUS_FEATURE_NAMES
|
|
if (matched == 1) goto found;
|
|
if (matched > 1) {
|
|
VALUE mesg = rb_sprintf("ambiguous feature: '%.*s' (", len, str);
|
|
#define ADD_FEATURE_NAME(bit) \
|
|
if (FEATURE_BIT(bit) & set) { \
|
|
rb_str_cat_cstr(mesg, #bit); \
|
|
if (--matched) rb_str_cat_cstr(mesg, ", "); \
|
|
}
|
|
EACH_FEATURES(ADD_FEATURE_NAME, ;);
|
|
rb_str_cat_cstr(mesg, ")");
|
|
rb_exc_raise(rb_exc_new_str(rb_eRuntimeError, mesg));
|
|
#undef ADD_FEATURE_NAME
|
|
}
|
|
#else
|
|
(void)set;
|
|
#endif
|
|
rb_warn("unknown argument for --%s: '%.*s'",
|
|
enable ? "enable" : "disable", len, str);
|
|
rb_warn("features are [%.*s].", (int)strlen(list), list);
|
|
return;
|
|
|
|
found:
|
|
FEATURE_SET_TO(*argp, mask, (mask & enable));
|
|
if (NAME_MATCH_P("frozen_string_literal", str, len)) {
|
|
FEATURE_SET_TO(*argp, FEATURE_BIT(frozen_string_literal_set), FEATURE_BIT(frozen_string_literal_set));
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void
|
|
enable_option(const char *str, int len, void *arg)
|
|
{
|
|
feature_option(str, len, arg, ~0U);
|
|
}
|
|
|
|
static void
|
|
disable_option(const char *str, int len, void *arg)
|
|
{
|
|
feature_option(str, len, arg, 0U);
|
|
}
|
|
|
|
RUBY_EXTERN const int ruby_patchlevel;
|
|
int ruby_env_debug_option(const char *str, int len, void *arg);
|
|
|
|
static void
|
|
debug_option(const char *str, int len, void *arg)
|
|
{
|
|
static const char list[] = EACH_DEBUG_FEATURES(LITERAL_NAME_ELEMENT, ", ");
|
|
ruby_features_t *argp = arg;
|
|
#define SET_WHEN_DEBUG(bit) \
|
|
if (NAME_MATCH_P(#bit, str, len)) { \
|
|
FEATURE_SET(*argp, DEBUG_BIT(bit)); \
|
|
return; \
|
|
}
|
|
EACH_DEBUG_FEATURES(SET_WHEN_DEBUG, ;);
|
|
#ifdef RUBY_DEVEL
|
|
if (ruby_patchlevel < 0 && ruby_env_debug_option(str, len, 0)) return;
|
|
#endif
|
|
rb_warn("unknown argument for --debug: '%.*s'", len, str);
|
|
rb_warn("debug features are [%.*s].", (int)strlen(list), list);
|
|
}
|
|
|
|
static int
|
|
memtermspn(const char *str, char term, int len)
|
|
{
|
|
RUBY_ASSERT(len >= 0);
|
|
if (len <= 0) return 0;
|
|
const char *next = memchr(str, term, len);
|
|
return next ? (int)(next - str) : len;
|
|
}
|
|
|
|
static const char additional_opt_sep = '+';
|
|
|
|
static unsigned int
|
|
dump_additional_option_flag(const char *str, int len, unsigned int bits, bool set)
|
|
{
|
|
#define SET_DUMP_OPT(bit) if (NAME_MATCH_P(#bit, str, len)) { \
|
|
return set ? (bits | DUMP_BIT(opt_ ## bit)) : (bits & ~DUMP_BIT(opt_ ## bit)); \
|
|
}
|
|
SET_DUMP_OPT(error_tolerant);
|
|
SET_DUMP_OPT(comment);
|
|
SET_DUMP_OPT(optimize);
|
|
#undef SET_DUMP_OPT
|
|
rb_warn("don't know how to dump with%s '%.*s'", set ? "" : "out", len, str);
|
|
return bits;
|
|
}
|
|
|
|
static unsigned int
|
|
dump_additional_option(const char *str, int len, unsigned int bits)
|
|
{
|
|
int w;
|
|
for (; len-- > 0 && *str++ == additional_opt_sep; len -= w, str += w) {
|
|
w = memtermspn(str, additional_opt_sep, len);
|
|
bool set = true;
|
|
if (*str == '-' || *str == '+') {
|
|
set = *str++ == '+';
|
|
--w;
|
|
}
|
|
else {
|
|
int n = memtermspn(str, '-', w);
|
|
if (str[n] == '-') {
|
|
if (NAME_MATCH_P("with", str, n)) {
|
|
str += n;
|
|
w -= n;
|
|
}
|
|
else if (NAME_MATCH_P("without", str, n)) {
|
|
set = false;
|
|
str += n;
|
|
w -= n;
|
|
}
|
|
}
|
|
}
|
|
bits = dump_additional_option_flag(str, w, bits, set);
|
|
}
|
|
return bits;
|
|
}
|
|
|
|
static void
|
|
dump_option(const char *str, int len, void *arg)
|
|
{
|
|
static const char list[] = EACH_DUMPS(LITERAL_NAME_ELEMENT, ", ");
|
|
unsigned int *bits_ptr = (unsigned int *)arg;
|
|
if (*str == '+' || *str == '-') {
|
|
bool set = *str++ == '+';
|
|
*bits_ptr = dump_additional_option_flag(str, --len, *bits_ptr, set);
|
|
return;
|
|
}
|
|
int w = memtermspn(str, additional_opt_sep, len);
|
|
|
|
#define SET_WHEN_DUMP(bit) \
|
|
if (NAME_MATCH_P(#bit "-", (str), (w))) { \
|
|
*bits_ptr = dump_additional_option(str + w, len - w, *bits_ptr | DUMP_BIT(bit)); \
|
|
return; \
|
|
}
|
|
EACH_DUMPS(SET_WHEN_DUMP, ;);
|
|
rb_warn("don't know how to dump '%.*s',", len, str);
|
|
rb_warn("but only [%.*s].", (int)strlen(list), list);
|
|
}
|
|
|
|
static void
|
|
set_option_encoding_once(const char *type, VALUE *name, const char *e, long elen)
|
|
{
|
|
VALUE ename;
|
|
|
|
if (!elen) elen = strlen(e);
|
|
ename = rb_str_new(e, elen);
|
|
|
|
if (*name &&
|
|
rb_funcall(ename, rb_intern("casecmp"), 1, *name) != INT2FIX(0)) {
|
|
rb_raise(rb_eRuntimeError,
|
|
"%s already set to %"PRIsVALUE, type, *name);
|
|
}
|
|
*name = ename;
|
|
}
|
|
|
|
#define set_internal_encoding_once(opt, e, elen) \
|
|
set_option_encoding_once("default_internal", &(opt)->intern.enc.name, (e), (elen))
|
|
#define set_external_encoding_once(opt, e, elen) \
|
|
set_option_encoding_once("default_external", &(opt)->ext.enc.name, (e), (elen))
|
|
#define set_source_encoding_once(opt, e, elen) \
|
|
set_option_encoding_once("source", &(opt)->src.enc.name, (e), (elen))
|
|
|
|
#define yjit_opt_match_noarg(s, l, name) \
|
|
opt_match(s, l, name) && (*(s) ? (rb_warn("argument to --yjit-" name " is ignored"), 1) : 1)
|
|
#define yjit_opt_match_arg(s, l, name) \
|
|
opt_match(s, l, name) && (*(s) && *(s+1) ? 1 : (rb_raise(rb_eRuntimeError, "--yjit-" name " needs an argument"), 0))
|
|
|
|
#if USE_YJIT
|
|
static bool
|
|
setup_yjit_options(const char *s)
|
|
{
|
|
// The option parsing is done in yjit/src/options.rs
|
|
bool rb_yjit_parse_option(const char* s);
|
|
bool success = rb_yjit_parse_option(s);
|
|
|
|
if (success) {
|
|
return true;
|
|
}
|
|
|
|
rb_raise(
|
|
rb_eRuntimeError,
|
|
"invalid YJIT option '%s' (--help will show valid yjit options)",
|
|
s
|
|
);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Following proc_*_option functions are tree kinds:
|
|
*
|
|
* - with a required argument, takes also `argc` and `argv`, and
|
|
* returns the number of consumed argv including the option itself.
|
|
*
|
|
* - with a mandatory argument just after the option.
|
|
*
|
|
* - no required argument, this returns the address of
|
|
* the next character after the last consumed character.
|
|
*/
|
|
|
|
/* optional */
|
|
static const char *
|
|
proc_W_option(ruby_cmdline_options_t *opt, const char *s, int *warning)
|
|
{
|
|
if (s[1] == ':') {
|
|
unsigned int bits = 0;
|
|
static const char no_prefix[] = "no-";
|
|
int enable = strncmp(s += 2, no_prefix, sizeof(no_prefix)-1) != 0;
|
|
if (!enable) s += sizeof(no_prefix)-1;
|
|
size_t len = strlen(s);
|
|
if (NAME_MATCH_P("deprecated", s, len)) {
|
|
bits = 1U << RB_WARN_CATEGORY_DEPRECATED;
|
|
}
|
|
else if (NAME_MATCH_P("experimental", s, len)) {
|
|
bits = 1U << RB_WARN_CATEGORY_EXPERIMENTAL;
|
|
}
|
|
else if (NAME_MATCH_P("performance", s, len)) {
|
|
bits = 1U << RB_WARN_CATEGORY_PERFORMANCE;
|
|
}
|
|
else if (NAME_MATCH_P("strict_unused_block", s, len)) {
|
|
bits = 1U << RB_WARN_CATEGORY_STRICT_UNUSED_BLOCK;
|
|
}
|
|
else {
|
|
rb_warn("unknown warning category: '%s'", s);
|
|
}
|
|
if (bits) FEATURE_SET_TO(opt->warn, bits, enable ? bits : 0);
|
|
return 0;
|
|
}
|
|
else {
|
|
size_t numlen;
|
|
int v = 2; /* -W as -W2 */
|
|
|
|
if (*++s) {
|
|
v = scan_oct(s, 1, &numlen);
|
|
if (numlen == 0)
|
|
v = 2;
|
|
s += numlen;
|
|
}
|
|
if (!opt->warning) {
|
|
switch (v) {
|
|
case 0:
|
|
ruby_verbose = Qnil;
|
|
break;
|
|
case 1:
|
|
ruby_verbose = Qfalse;
|
|
break;
|
|
default:
|
|
ruby_verbose = Qtrue;
|
|
break;
|
|
}
|
|
}
|
|
*warning = 1;
|
|
switch (v) {
|
|
case 0:
|
|
FEATURE_SET_TO(opt->warn, RB_WARN_CATEGORY_DEFAULT_BITS, 0);
|
|
break;
|
|
case 1:
|
|
FEATURE_SET_TO(opt->warn, 1U << RB_WARN_CATEGORY_DEPRECATED, 0);
|
|
break;
|
|
default:
|
|
FEATURE_SET(opt->warn, RB_WARN_CATEGORY_DEFAULT_BITS);
|
|
break;
|
|
}
|
|
return s;
|
|
}
|
|
}
|
|
|
|
/* required */
|
|
static long
|
|
proc_e_option(ruby_cmdline_options_t *opt, const char *s, long argc, char **argv)
|
|
{
|
|
long n = 1;
|
|
forbid_setid("-e");
|
|
if (!*++s) {
|
|
if (!--argc)
|
|
rb_raise(rb_eRuntimeError, "no code specified for -e");
|
|
s = *++argv;
|
|
n++;
|
|
}
|
|
if (!opt->e_script) {
|
|
opt->e_script = rb_str_new(0, 0);
|
|
if (opt->script == 0)
|
|
opt->script = "-e";
|
|
}
|
|
rb_str_cat2(opt->e_script, s);
|
|
rb_str_cat2(opt->e_script, "\n");
|
|
return n;
|
|
}
|
|
|
|
/* optional */
|
|
static const char *
|
|
proc_K_option(ruby_cmdline_options_t *opt, const char *s)
|
|
{
|
|
if (*++s) {
|
|
const char *enc_name = 0;
|
|
switch (*s) {
|
|
case 'E': case 'e':
|
|
enc_name = "EUC-JP";
|
|
break;
|
|
case 'S': case 's':
|
|
enc_name = "Windows-31J";
|
|
break;
|
|
case 'U': case 'u':
|
|
enc_name = "UTF-8";
|
|
break;
|
|
case 'N': case 'n': case 'A': case 'a':
|
|
enc_name = "ASCII-8BIT";
|
|
break;
|
|
}
|
|
if (enc_name) {
|
|
opt->src.enc.name = rb_str_new2(enc_name);
|
|
if (!opt->ext.enc.name)
|
|
opt->ext.enc.name = opt->src.enc.name;
|
|
}
|
|
s++;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
/* optional */
|
|
static const char *
|
|
proc_0_option(ruby_cmdline_options_t *opt, const char *s)
|
|
{
|
|
size_t numlen;
|
|
int v;
|
|
char c;
|
|
|
|
v = scan_oct(s, 4, &numlen);
|
|
s += numlen;
|
|
if (v > 0377)
|
|
rb_rs = Qnil;
|
|
else if (v == 0 && numlen >= 2) {
|
|
rb_rs = rb_str_new2("");
|
|
}
|
|
else {
|
|
c = v & 0xff;
|
|
rb_rs = rb_str_new(&c, 1);
|
|
}
|
|
return s;
|
|
}
|
|
|
|
/* mandatory */
|
|
static void
|
|
proc_encoding_option(ruby_cmdline_options_t *opt, const char *s, const char *opt_name)
|
|
{
|
|
char *p;
|
|
# define set_encoding_part(type) \
|
|
if (!(p = strchr(s, ':'))) { \
|
|
set_##type##_encoding_once(opt, s, 0); \
|
|
return; \
|
|
} \
|
|
else if (p > s) { \
|
|
set_##type##_encoding_once(opt, s, p-s); \
|
|
}
|
|
set_encoding_part(external);
|
|
if (!*(s = ++p)) return;
|
|
set_encoding_part(internal);
|
|
if (!*(s = ++p)) return;
|
|
#if defined ALLOW_DEFAULT_SOURCE_ENCODING && ALLOW_DEFAULT_SOURCE_ENCODING
|
|
set_encoding_part(source);
|
|
if (!*(s = ++p)) return;
|
|
#endif
|
|
rb_raise(rb_eRuntimeError, "extra argument for %s: %s", opt_name, s);
|
|
# undef set_encoding_part
|
|
UNREACHABLE;
|
|
}
|
|
|
|
static long
|
|
proc_long_options(ruby_cmdline_options_t *opt, const char *s, long argc, char **argv, int envopt)
|
|
{
|
|
size_t n;
|
|
long argc0 = argc;
|
|
# define is_option_end(c, allow_hyphen) \
|
|
(!(c) || ((allow_hyphen) && (c) == '-') || (c) == '=')
|
|
# define check_envopt(name, allow_envopt) \
|
|
(((allow_envopt) || !envopt) ? (void)0 : \
|
|
rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: --" name))
|
|
# define need_argument(name, s, needs_arg, next_arg) \
|
|
((*(s) ? !*++(s) : (next_arg) && (argc <= 1 || !((s) = argv[1]) || (--argc, ++argv, 0))) && (needs_arg) ? \
|
|
rb_raise(rb_eRuntimeError, "missing argument for --" name) \
|
|
: (void)0)
|
|
# define is_option_with_arg(name, allow_hyphen, allow_envopt) \
|
|
is_option_with_optarg(name, allow_hyphen, allow_envopt, Qtrue, Qtrue)
|
|
# define is_option_with_optarg(name, allow_hyphen, allow_envopt, needs_arg, next_arg) \
|
|
(strncmp((name), s, n = sizeof(name) - 1) == 0 && is_option_end(s[n], (allow_hyphen)) && \
|
|
(s[n] != '-' || (s[n] && s[n+1])) ? \
|
|
(check_envopt(name, (allow_envopt)), s += n, \
|
|
need_argument(name, s, needs_arg, next_arg), 1) : 0)
|
|
|
|
if (strcmp("copyright", s) == 0) {
|
|
if (envopt) goto noenvopt_long;
|
|
opt->dump |= DUMP_BIT(copyright);
|
|
}
|
|
else if (is_option_with_optarg("debug", Qtrue, Qtrue, Qfalse, Qfalse)) {
|
|
if (s && *s) {
|
|
ruby_each_words(s, debug_option, &opt->features);
|
|
}
|
|
else {
|
|
ruby_debug = Qtrue;
|
|
ruby_verbose = Qtrue;
|
|
}
|
|
}
|
|
else if (is_option_with_arg("enable", Qtrue, Qtrue)) {
|
|
ruby_each_words(s, enable_option, &opt->features);
|
|
}
|
|
else if (is_option_with_arg("disable", Qtrue, Qtrue)) {
|
|
ruby_each_words(s, disable_option, &opt->features);
|
|
}
|
|
else if (is_option_with_arg("encoding", Qfalse, Qtrue)) {
|
|
proc_encoding_option(opt, s, "--encoding");
|
|
}
|
|
else if (is_option_with_arg("internal-encoding", Qfalse, Qtrue)) {
|
|
set_internal_encoding_once(opt, s, 0);
|
|
}
|
|
else if (is_option_with_arg("external-encoding", Qfalse, Qtrue)) {
|
|
set_external_encoding_once(opt, s, 0);
|
|
}
|
|
else if (is_option_with_arg("parser", Qfalse, Qtrue)) {
|
|
if (strcmp("prism", s) == 0) {
|
|
rb_ruby_default_parser_set(RB_DEFAULT_PARSER_PRISM);
|
|
}
|
|
else if (strcmp("parse.y", s) == 0) {
|
|
rb_ruby_default_parser_set(RB_DEFAULT_PARSER_PARSE_Y);
|
|
}
|
|
else {
|
|
rb_raise(rb_eRuntimeError, "unknown parser %s", s);
|
|
}
|
|
}
|
|
#if defined ALLOW_DEFAULT_SOURCE_ENCODING && ALLOW_DEFAULT_SOURCE_ENCODING
|
|
else if (is_option_with_arg("source-encoding", Qfalse, Qtrue)) {
|
|
set_source_encoding_once(opt, s, 0);
|
|
}
|
|
#endif
|
|
else if (strcmp("version", s) == 0) {
|
|
if (envopt) goto noenvopt_long;
|
|
opt->dump |= DUMP_BIT(version);
|
|
}
|
|
else if (strcmp("verbose", s) == 0) {
|
|
opt->verbose = 1;
|
|
ruby_verbose = Qtrue;
|
|
}
|
|
else if (strcmp("jit", s) == 0) {
|
|
#if USE_YJIT || USE_RJIT
|
|
FEATURE_SET(opt->features, FEATURE_BIT(jit));
|
|
#else
|
|
rb_warn("Ruby was built without JIT support");
|
|
#endif
|
|
}
|
|
else if (is_option_with_optarg("rjit", '-', true, false, false)) {
|
|
#if USE_RJIT
|
|
extern void rb_rjit_setup_options(const char *s, struct rb_rjit_options *rjit_opt);
|
|
FEATURE_SET(opt->features, FEATURE_BIT(rjit));
|
|
rb_rjit_setup_options(s, &opt->rjit);
|
|
#else
|
|
rb_warn("RJIT support is disabled.");
|
|
#endif
|
|
}
|
|
else if (is_option_with_optarg("yjit", '-', true, false, false)) {
|
|
#if USE_YJIT
|
|
FEATURE_SET(opt->features, FEATURE_BIT(yjit));
|
|
setup_yjit_options(s);
|
|
#else
|
|
rb_warn("Ruby was built without YJIT support."
|
|
" You may need to install rustc to build Ruby with YJIT.");
|
|
#endif
|
|
}
|
|
else if (strcmp("yydebug", s) == 0) {
|
|
if (envopt) goto noenvopt_long;
|
|
opt->dump |= DUMP_BIT(yydebug);
|
|
}
|
|
else if (is_option_with_arg("dump", Qfalse, Qfalse)) {
|
|
ruby_each_words(s, dump_option, &opt->dump);
|
|
}
|
|
else if (strcmp("help", s) == 0) {
|
|
if (envopt) goto noenvopt_long;
|
|
opt->dump |= DUMP_BIT(help);
|
|
return 0;
|
|
}
|
|
else if (is_option_with_arg("backtrace-limit", Qfalse, Qtrue)) {
|
|
char *e;
|
|
long n = strtol(s, &e, 10);
|
|
if (errno == ERANGE || !BACKTRACE_LENGTH_LIMIT_VALID_P(n) || *e) {
|
|
rb_raise(rb_eRuntimeError, "wrong limit for backtrace length");
|
|
}
|
|
else {
|
|
opt->backtrace_length_limit = n;
|
|
}
|
|
}
|
|
else if (is_option_with_arg("crash-report", true, true)) {
|
|
opt->crash_report = s;
|
|
}
|
|
else {
|
|
rb_raise(rb_eRuntimeError,
|
|
"invalid option --%s (-h will show valid options)", s);
|
|
}
|
|
return argc0 - argc + 1;
|
|
|
|
noenvopt_long:
|
|
rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: --%s", s);
|
|
# undef is_option_end
|
|
# undef check_envopt
|
|
# undef need_argument
|
|
# undef is_option_with_arg
|
|
# undef is_option_with_optarg
|
|
UNREACHABLE_RETURN(0);
|
|
}
|
|
|
|
static long
|
|
proc_options(long argc, char **argv, ruby_cmdline_options_t *opt, int envopt)
|
|
{
|
|
long n, argc0 = argc;
|
|
const char *s;
|
|
int warning = opt->warning;
|
|
|
|
if (argc <= 0 || !argv)
|
|
return 0;
|
|
|
|
for (argc--, argv++; argc > 0; argc--, argv++) {
|
|
const char *const arg = argv[0];
|
|
if (!arg || arg[0] != '-' || !arg[1])
|
|
break;
|
|
|
|
s = arg + 1;
|
|
reswitch:
|
|
switch (*s) {
|
|
case 'a':
|
|
if (envopt) goto noenvopt;
|
|
opt->do_split = TRUE;
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 'p':
|
|
if (envopt) goto noenvopt;
|
|
opt->do_print = TRUE;
|
|
/* through */
|
|
case 'n':
|
|
if (envopt) goto noenvopt;
|
|
opt->do_loop = TRUE;
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 'd':
|
|
ruby_debug = Qtrue;
|
|
ruby_verbose = Qtrue;
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 'y':
|
|
if (envopt) goto noenvopt;
|
|
opt->dump |= DUMP_BIT(yydebug);
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 'v':
|
|
if (opt->verbose) {
|
|
s++;
|
|
goto reswitch;
|
|
}
|
|
opt->dump |= DUMP_BIT(version_v);
|
|
opt->verbose = 1;
|
|
case 'w':
|
|
if (!opt->warning) {
|
|
warning = 1;
|
|
ruby_verbose = Qtrue;
|
|
}
|
|
FEATURE_SET(opt->warn, RB_WARN_CATEGORY_DEFAULT_BITS);
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 'W':
|
|
if (!(s = proc_W_option(opt, s, &warning))) break;
|
|
goto reswitch;
|
|
|
|
case 'c':
|
|
if (envopt) goto noenvopt;
|
|
opt->dump |= DUMP_BIT(syntax);
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 's':
|
|
if (envopt) goto noenvopt;
|
|
forbid_setid("-s");
|
|
if (!opt->sflag) opt->sflag = 1;
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 'h':
|
|
if (envopt) goto noenvopt;
|
|
opt->dump |= DUMP_BIT(usage);
|
|
goto switch_end;
|
|
|
|
case 'l':
|
|
if (envopt) goto noenvopt;
|
|
opt->do_line = TRUE;
|
|
rb_output_rs = rb_rs;
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 'S':
|
|
if (envopt) goto noenvopt;
|
|
forbid_setid("-S");
|
|
opt->do_search = TRUE;
|
|
s++;
|
|
goto reswitch;
|
|
|
|
case 'e':
|
|
if (envopt) goto noenvopt;
|
|
if (!(n = proc_e_option(opt, s, argc, argv))) break;
|
|
--n;
|
|
argc -= n;
|
|
argv += n;
|
|
break;
|
|
|
|
case 'r':
|
|
forbid_setid("-r");
|
|
if (*++s) {
|
|
add_modules(&opt->req_list, s);
|
|
}
|
|
else if (argc > 1) {
|
|
add_modules(&opt->req_list, argv[1]);
|
|
argc--, argv++;
|
|
}
|
|
break;
|
|
|
|
case 'i':
|
|
if (envopt) goto noenvopt;
|
|
forbid_setid("-i");
|
|
ruby_set_inplace_mode(s + 1);
|
|
break;
|
|
|
|
case 'x':
|
|
if (envopt) goto noenvopt;
|
|
forbid_setid("-x");
|
|
opt->xflag = TRUE;
|
|
s++;
|
|
if (*s && chdir(s) < 0) {
|
|
rb_fatal("Can't chdir to %s", s);
|
|
}
|
|
break;
|
|
|
|
case 'C':
|
|
case 'X':
|
|
if (envopt) goto noenvopt;
|
|
if (!*++s && (!--argc || !(s = *++argv) || !*s)) {
|
|
rb_fatal("Can't chdir");
|
|
}
|
|
if (chdir(s) < 0) {
|
|
rb_fatal("Can't chdir to %s", s);
|
|
}
|
|
break;
|
|
|
|
case 'F':
|
|
if (envopt) goto noenvopt;
|
|
if (*++s) {
|
|
rb_fs = rb_reg_new(s, strlen(s), 0);
|
|
}
|
|
break;
|
|
|
|
case 'E':
|
|
if (!*++s && (!--argc || !(s = *++argv))) {
|
|
rb_raise(rb_eRuntimeError, "missing argument for -E");
|
|
}
|
|
proc_encoding_option(opt, s, "-E");
|
|
break;
|
|
|
|
case 'U':
|
|
set_internal_encoding_once(opt, "UTF-8", 0);
|
|
++s;
|
|
goto reswitch;
|
|
|
|
case 'K':
|
|
if (!(s = proc_K_option(opt, s))) break;
|
|
goto reswitch;
|
|
|
|
case 'I':
|
|
forbid_setid("-I");
|
|
if (*++s)
|
|
ruby_incpush_expand(s);
|
|
else if (argc > 1) {
|
|
ruby_incpush_expand(argv[1]);
|
|
argc--, argv++;
|
|
}
|
|
break;
|
|
|
|
case '0':
|
|
if (envopt) goto noenvopt;
|
|
if (!(s = proc_0_option(opt, s))) break;
|
|
goto reswitch;
|
|
|
|
case '-':
|
|
if (!s[1] || (s[1] == '\r' && !s[2])) {
|
|
argc--, argv++;
|
|
goto switch_end;
|
|
}
|
|
s++;
|
|
|
|
if (!(n = proc_long_options(opt, s, argc, argv, envopt))) goto switch_end;
|
|
--n;
|
|
argc -= n;
|
|
argv += n;
|
|
break;
|
|
|
|
case '\r':
|
|
if (!s[1])
|
|
break;
|
|
|
|
default:
|
|
rb_raise(rb_eRuntimeError,
|
|
"invalid option -%c (-h will show valid options)",
|
|
(int)(unsigned char)*s);
|
|
goto switch_end;
|
|
|
|
noenvopt:
|
|
/* "EIdvwWrKU" only */
|
|
rb_raise(rb_eRuntimeError, "invalid switch in RUBYOPT: -%c", *s);
|
|
break;
|
|
|
|
case 0:
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch_end:
|
|
if (warning) opt->warning = warning;
|
|
return argc0 - argc;
|
|
}
|
|
|
|
void Init_builtin_features(void);
|
|
|
|
static void
|
|
ruby_init_prelude(void)
|
|
{
|
|
Init_builtin_features();
|
|
rb_const_remove(rb_cObject, rb_intern_const("TMP_RUBY_PREFIX"));
|
|
}
|
|
|
|
void rb_call_builtin_inits(void);
|
|
|
|
// Initialize extra optional exts linked statically.
|
|
// This empty definition will be replaced with the actual strong symbol by linker.
|
|
#if RBIMPL_HAS_ATTRIBUTE(weak)
|
|
__attribute__((weak))
|
|
#endif
|
|
void
|
|
Init_extra_exts(void)
|
|
{
|
|
}
|
|
|
|
static void
|
|
ruby_opt_init(ruby_cmdline_options_t *opt)
|
|
{
|
|
rb_warning_category_update(opt->warn.mask, opt->warn.set);
|
|
|
|
if (opt->dump & dump_exit_bits) return;
|
|
|
|
if (FEATURE_SET_P(opt->features, gems)) {
|
|
rb_define_module("Gem");
|
|
if (opt->features.set & FEATURE_BIT(error_highlight)) {
|
|
rb_define_module("ErrorHighlight");
|
|
}
|
|
if (opt->features.set & FEATURE_BIT(did_you_mean)) {
|
|
rb_define_module("DidYouMean");
|
|
}
|
|
if (opt->features.set & FEATURE_BIT(syntax_suggest)) {
|
|
rb_define_module("SyntaxSuggest");
|
|
}
|
|
}
|
|
|
|
/* [Feature #19785] Warning for removed GC environment variable.
|
|
* Remove this in Ruby 3.4. */
|
|
if (getenv("RUBY_GC_HEAP_INIT_SLOTS")) {
|
|
rb_warn_deprecated("The environment variable RUBY_GC_HEAP_INIT_SLOTS",
|
|
"environment variables RUBY_GC_HEAP_%d_INIT_SLOTS");
|
|
}
|
|
|
|
#if USE_RJIT
|
|
// rb_call_builtin_inits depends on RubyVM::RJIT.enabled?
|
|
if (opt->rjit.on)
|
|
rb_rjit_enabled = true;
|
|
if (opt->rjit.stats)
|
|
rb_rjit_stats_enabled = true;
|
|
if (opt->rjit.trace_exits)
|
|
rb_rjit_trace_exits_enabled = true;
|
|
#endif
|
|
|
|
Init_ext(); /* load statically linked extensions before rubygems */
|
|
Init_extra_exts();
|
|
|
|
GET_VM()->running = 0;
|
|
rb_call_builtin_inits();
|
|
GET_VM()->running = 1;
|
|
memset(ruby_vm_redefined_flag, 0, sizeof(ruby_vm_redefined_flag));
|
|
|
|
ruby_init_prelude();
|
|
|
|
// Initialize JITs after prelude because JITing prelude is typically not optimal.
|
|
#if USE_RJIT
|
|
// Also, rb_rjit_init is safe only after rb_call_builtin_inits() defines RubyVM::RJIT::Compiler.
|
|
if (opt->rjit.on)
|
|
rb_rjit_init(&opt->rjit);
|
|
#endif
|
|
#if USE_YJIT
|
|
rb_yjit_init(opt->yjit);
|
|
#endif
|
|
|
|
// Call yjit_hook.rb after rb_yjit_init() to use `RubyVM::YJIT.enabled?`
|
|
void Init_builtin_yjit_hook();
|
|
Init_builtin_yjit_hook();
|
|
|
|
ruby_set_script_name(opt->script_name);
|
|
require_libraries(&opt->req_list);
|
|
}
|
|
|
|
static int
|
|
opt_enc_index(VALUE enc_name)
|
|
{
|
|
const char *s = RSTRING_PTR(enc_name);
|
|
int i = rb_enc_find_index(s);
|
|
|
|
if (i < 0) {
|
|
rb_raise(rb_eRuntimeError, "unknown encoding name - %s", s);
|
|
}
|
|
else if (rb_enc_dummy_p(rb_enc_from_index(i))) {
|
|
rb_raise(rb_eRuntimeError, "dummy encoding is not acceptable - %s ", s);
|
|
}
|
|
return i;
|
|
}
|
|
|
|
#define rb_progname (GET_VM()->progname)
|
|
#define rb_orig_progname (GET_VM()->orig_progname)
|
|
VALUE rb_argv0;
|
|
VALUE rb_e_script;
|
|
|
|
static VALUE
|
|
false_value(ID _x, VALUE *_y)
|
|
{
|
|
return Qfalse;
|
|
}
|
|
|
|
static VALUE
|
|
true_value(ID _x, VALUE *_y)
|
|
{
|
|
return Qtrue;
|
|
}
|
|
|
|
#define rb_define_readonly_boolean(name, val) \
|
|
rb_define_virtual_variable((name), (val) ? true_value : false_value, 0)
|
|
|
|
static VALUE
|
|
uscore_get(void)
|
|
{
|
|
VALUE line;
|
|
|
|
line = rb_lastline_get();
|
|
if (!RB_TYPE_P(line, T_STRING)) {
|
|
rb_raise(rb_eTypeError, "$_ value need to be String (%s given)",
|
|
NIL_P(line) ? "nil" : rb_obj_classname(line));
|
|
}
|
|
return line;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* sub(pattern, replacement) -> $_
|
|
* sub(pattern) {|...| block } -> $_
|
|
*
|
|
* Equivalent to <code>$_.sub(<i>args</i>)</code>, except that
|
|
* <code>$_</code> will be updated if substitution occurs.
|
|
* Available only when -p/-n command line option specified.
|
|
*/
|
|
|
|
static VALUE
|
|
rb_f_sub(int argc, VALUE *argv, VALUE _)
|
|
{
|
|
VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("sub"), argc, argv);
|
|
rb_lastline_set(str);
|
|
return str;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* gsub(pattern, replacement) -> $_
|
|
* gsub(pattern) {|...| block } -> $_
|
|
*
|
|
* Equivalent to <code>$_.gsub...</code>, except that <code>$_</code>
|
|
* will be updated if substitution occurs.
|
|
* Available only when -p/-n command line option specified.
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_f_gsub(int argc, VALUE *argv, VALUE _)
|
|
{
|
|
VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("gsub"), argc, argv);
|
|
rb_lastline_set(str);
|
|
return str;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* chop -> $_
|
|
*
|
|
* Equivalent to <code>($_.dup).chop!</code>, except <code>nil</code>
|
|
* is never returned. See String#chop!.
|
|
* Available only when -p/-n command line option specified.
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_f_chop(VALUE _)
|
|
{
|
|
VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("chop"), 0, 0);
|
|
rb_lastline_set(str);
|
|
return str;
|
|
}
|
|
|
|
|
|
/*
|
|
* call-seq:
|
|
* chomp -> $_
|
|
* chomp(string) -> $_
|
|
*
|
|
* Equivalent to <code>$_ = $_.chomp(<em>string</em>)</code>. See
|
|
* String#chomp.
|
|
* Available only when -p/-n command line option specified.
|
|
*
|
|
*/
|
|
|
|
static VALUE
|
|
rb_f_chomp(int argc, VALUE *argv, VALUE _)
|
|
{
|
|
VALUE str = rb_funcall_passing_block(uscore_get(), rb_intern("chomp"), argc, argv);
|
|
rb_lastline_set(str);
|
|
return str;
|
|
}
|
|
|
|
static void
|
|
setup_pager_env(void)
|
|
{
|
|
if (!getenv("LESS")) {
|
|
// Output "raw" control characters, and move per sections.
|
|
ruby_setenv("LESS", "-R +/^[A-Z].*");
|
|
}
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
static int
|
|
tty_enabled(void)
|
|
{
|
|
HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
|
|
DWORD m;
|
|
if (!GetConsoleMode(h, &m)) return 0;
|
|
# ifndef ENABLE_VIRTUAL_TERMINAL_PROCESSING
|
|
# define ENABLE_VIRTUAL_TERMINAL_PROCESSING 0x4
|
|
# endif
|
|
if (!(m & ENABLE_VIRTUAL_TERMINAL_PROCESSING)) return 0;
|
|
return 1;
|
|
}
|
|
#elif !defined(HAVE_WORKING_FORK)
|
|
# define tty_enabled() 0
|
|
#endif
|
|
|
|
static VALUE
|
|
copy_str(VALUE str, rb_encoding *enc, bool intern)
|
|
{
|
|
if (!intern) {
|
|
if (rb_enc_str_coderange_scan(str, enc) == ENC_CODERANGE_BROKEN)
|
|
return 0;
|
|
return rb_enc_associate(rb_str_dup(str), enc);
|
|
}
|
|
return rb_enc_interned_str(RSTRING_PTR(str), RSTRING_LEN(str), enc);
|
|
}
|
|
|
|
#if USE_YJIT
|
|
// Check that an environment variable is set to a truthy value
|
|
static bool
|
|
env_var_truthy(const char *name)
|
|
{
|
|
const char *value = getenv(name);
|
|
|
|
if (!value)
|
|
return false;
|
|
if (strcmp(value, "1") == 0)
|
|
return true;
|
|
if (strcmp(value, "true") == 0)
|
|
return true;
|
|
if (strcmp(value, "yes") == 0)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
rb_pid_t rb_fork_ruby(int *status);
|
|
|
|
static void
|
|
show_help(const char *progname, int help)
|
|
{
|
|
int tty = isatty(1);
|
|
int columns = 0;
|
|
if (help && tty) {
|
|
const char *pager_env = getenv("RUBY_PAGER");
|
|
if (!pager_env) pager_env = getenv("PAGER");
|
|
if (pager_env && *pager_env && isatty(0)) {
|
|
const char *columns_env = getenv("COLUMNS");
|
|
if (columns_env) columns = atoi(columns_env);
|
|
VALUE pager = rb_str_new_cstr(pager_env);
|
|
#ifdef HAVE_WORKING_FORK
|
|
int fds[2];
|
|
if (rb_pipe(fds) == 0) {
|
|
rb_pid_t pid = rb_fork_ruby(NULL);
|
|
if (pid > 0) {
|
|
/* exec PAGER with reading from child */
|
|
dup2(fds[0], 0);
|
|
}
|
|
else if (pid == 0) {
|
|
/* send the help message to the parent PAGER */
|
|
dup2(fds[1], 1);
|
|
dup2(fds[1], 2);
|
|
}
|
|
close(fds[0]);
|
|
close(fds[1]);
|
|
if (pid > 0) {
|
|
setup_pager_env();
|
|
rb_f_exec(1, &pager);
|
|
kill(SIGTERM, pid);
|
|
rb_waitpid(pid, 0, 0);
|
|
}
|
|
}
|
|
#else
|
|
setup_pager_env();
|
|
VALUE port = rb_io_popen(pager, rb_str_new_lit("w"), Qnil, Qnil);
|
|
if (!NIL_P(port)) {
|
|
int oldout = dup(1);
|
|
int olderr = dup(2);
|
|
int fd = RFILE(port)->fptr->fd;
|
|
tty = tty_enabled();
|
|
dup2(fd, 1);
|
|
dup2(fd, 2);
|
|
usage(progname, 1, tty, columns);
|
|
fflush(stdout);
|
|
dup2(oldout, 1);
|
|
dup2(olderr, 2);
|
|
rb_io_close(port);
|
|
return;
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
usage(progname, help, tty, columns);
|
|
}
|
|
|
|
static VALUE
|
|
process_script(ruby_cmdline_options_t *opt)
|
|
{
|
|
rb_ast_t *ast;
|
|
VALUE ast_value;
|
|
VALUE parser = rb_parser_new();
|
|
const unsigned int dump = opt->dump;
|
|
|
|
if (dump & DUMP_BIT(yydebug)) {
|
|
rb_parser_set_yydebug(parser, Qtrue);
|
|
}
|
|
|
|
if ((dump & dump_exit_bits) && (dump & DUMP_BIT(opt_error_tolerant))) {
|
|
rb_parser_error_tolerant(parser);
|
|
}
|
|
|
|
if (opt->e_script) {
|
|
VALUE progname = rb_progname;
|
|
rb_parser_set_context(parser, 0, TRUE);
|
|
|
|
ruby_opt_init(opt);
|
|
ruby_set_script_name(progname);
|
|
rb_parser_set_options(parser, opt->do_print, opt->do_loop,
|
|
opt->do_line, opt->do_split);
|
|
ast_value = rb_parser_compile_string(parser, opt->script, opt->e_script, 1);
|
|
}
|
|
else {
|
|
VALUE f;
|
|
int xflag = opt->xflag;
|
|
f = open_load_file(opt->script_name, &xflag);
|
|
opt->xflag = xflag != 0;
|
|
rb_parser_set_context(parser, 0, f == rb_stdin);
|
|
ast_value = load_file(parser, opt->script_name, f, 1, opt);
|
|
}
|
|
ast = rb_ruby_ast_data_get(ast_value);
|
|
if (!ast->body.root) {
|
|
rb_ast_dispose(ast);
|
|
return Qnil;
|
|
}
|
|
return ast_value;
|
|
}
|
|
|
|
static uint8_t
|
|
prism_script_command_line(ruby_cmdline_options_t *opt)
|
|
{
|
|
uint8_t command_line = 0;
|
|
if (opt->do_split) command_line |= PM_OPTIONS_COMMAND_LINE_A;
|
|
if (opt->do_line) command_line |= PM_OPTIONS_COMMAND_LINE_L;
|
|
if (opt->do_loop) command_line |= PM_OPTIONS_COMMAND_LINE_N;
|
|
if (opt->do_print) command_line |= PM_OPTIONS_COMMAND_LINE_P;
|
|
if (opt->xflag) command_line |= PM_OPTIONS_COMMAND_LINE_X;
|
|
return command_line;
|
|
}
|
|
|
|
static void
|
|
prism_script_shebang_callback(pm_options_t *options, const uint8_t *source, size_t length, void *data)
|
|
{
|
|
ruby_cmdline_options_t *opt = (ruby_cmdline_options_t *) data;
|
|
opt->warning = 0;
|
|
|
|
char *switches = malloc(length + 1);
|
|
memcpy(switches, source, length);
|
|
switches[length] = '\0';
|
|
|
|
int no_src_enc = !opt->src.enc.name;
|
|
int no_ext_enc = !opt->ext.enc.name;
|
|
int no_int_enc = !opt->intern.enc.name;
|
|
|
|
moreswitches(switches, opt, 0);
|
|
free(switches);
|
|
|
|
pm_options_command_line_set(options, prism_script_command_line(opt));
|
|
|
|
if (no_src_enc && opt->src.enc.name) {
|
|
opt->src.enc.index = opt_enc_index(opt->src.enc.name);
|
|
pm_options_encoding_set(options, StringValueCStr(opt->ext.enc.name));
|
|
}
|
|
if (no_ext_enc && opt->ext.enc.name) {
|
|
opt->ext.enc.index = opt_enc_index(opt->ext.enc.name);
|
|
}
|
|
if (no_int_enc && opt->intern.enc.name) {
|
|
opt->intern.enc.index = opt_enc_index(opt->intern.enc.name);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Process the command line options and parse the script into the given result.
|
|
* Raise an error if the script cannot be parsed.
|
|
*/
|
|
static void
|
|
prism_script(ruby_cmdline_options_t *opt, pm_parse_result_t *result)
|
|
{
|
|
memset(result, 0, sizeof(pm_parse_result_t));
|
|
|
|
pm_options_t *options = &result->options;
|
|
pm_options_line_set(options, 1);
|
|
pm_options_main_script_set(options, true);
|
|
|
|
const bool read_stdin = (strcmp(opt->script, "-") == 0);
|
|
|
|
if (read_stdin) {
|
|
pm_options_encoding_set(options, rb_enc_name(rb_locale_encoding()));
|
|
}
|
|
if (opt->src.enc.name != 0) {
|
|
pm_options_encoding_set(options, StringValueCStr(opt->src.enc.name));
|
|
}
|
|
|
|
uint8_t command_line = prism_script_command_line(opt);
|
|
VALUE error;
|
|
|
|
if (read_stdin) {
|
|
pm_options_command_line_set(options, command_line);
|
|
pm_options_filepath_set(options, "-");
|
|
pm_options_shebang_callback_set(options, prism_script_shebang_callback, (void *) opt);
|
|
|
|
ruby_opt_init(opt);
|
|
error = pm_parse_stdin(result);
|
|
|
|
// If we found an __END__ marker, then we're going to define a global
|
|
// DATA constant that is a file object that can be read to read the
|
|
// contents after the marker.
|
|
if (NIL_P(error) && result->parser.data_loc.start != NULL) {
|
|
rb_define_global_const("DATA", rb_stdin);
|
|
}
|
|
}
|
|
else if (opt->e_script) {
|
|
command_line = (uint8_t) ((command_line | PM_OPTIONS_COMMAND_LINE_E) & ~PM_OPTIONS_COMMAND_LINE_X);
|
|
pm_options_command_line_set(options, command_line);
|
|
|
|
ruby_opt_init(opt);
|
|
result->node.coverage_enabled = 0;
|
|
error = pm_parse_string(result, opt->e_script, rb_str_new2("-e"), NULL);
|
|
}
|
|
else {
|
|
VALUE script_name = rb_str_encode_ospath(opt->script_name);
|
|
|
|
pm_options_command_line_set(options, command_line);
|
|
pm_options_shebang_callback_set(options, prism_script_shebang_callback, (void *) opt);
|
|
|
|
error = pm_load_file(result, script_name, true);
|
|
|
|
// If reading the file did not error, at that point we load the command
|
|
// line options. We do it in this order so that if the main script fails
|
|
// to load, it doesn't require files required by -r.
|
|
if (NIL_P(error)) {
|
|
ruby_opt_init(opt);
|
|
error = pm_parse_file(result, opt->script_name, NULL);
|
|
}
|
|
|
|
// Check if (after requiring all of the files through -r flags) we have
|
|
// coverage enabled and need to enable coverage on the main script.
|
|
if (RTEST(rb_get_coverages())) {
|
|
result->node.coverage_enabled = 1;
|
|
}
|
|
|
|
// If we found an __END__ marker, then we're going to define a global
|
|
// DATA constant that is a file object that can be read to read the
|
|
// contents after the marker.
|
|
if (NIL_P(error) && result->parser.data_loc.start != NULL) {
|
|
int xflag = opt->xflag;
|
|
VALUE file = open_load_file(script_name, &xflag);
|
|
|
|
const pm_parser_t *parser = &result->parser;
|
|
size_t offset = parser->data_loc.start - parser->start + 7;
|
|
|
|
if ((parser->start + offset < parser->end) && parser->start[offset] == '\r') offset++;
|
|
if ((parser->start + offset < parser->end) && parser->start[offset] == '\n') offset++;
|
|
|
|
rb_funcall(file, rb_intern_const("seek"), 2, SIZET2NUM(offset), INT2FIX(SEEK_SET));
|
|
rb_define_global_const("DATA", file);
|
|
}
|
|
}
|
|
|
|
if (!NIL_P(error)) {
|
|
pm_parse_result_free(result);
|
|
rb_exc_raise(error);
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
prism_dump_tree(pm_parse_result_t *result)
|
|
{
|
|
pm_buffer_t output_buffer = { 0 };
|
|
|
|
pm_prettyprint(&output_buffer, &result->parser, result->node.ast_node);
|
|
VALUE tree = rb_str_new(output_buffer.value, output_buffer.length);
|
|
pm_buffer_free(&output_buffer);
|
|
return tree;
|
|
}
|
|
|
|
static void
|
|
process_options_global_setup(const ruby_cmdline_options_t *opt, const rb_iseq_t *iseq)
|
|
{
|
|
if (OPT_BACKTRACE_LENGTH_LIMIT_VALID_P(opt)) {
|
|
rb_backtrace_length_limit = opt->backtrace_length_limit;
|
|
}
|
|
|
|
if (opt->do_loop) {
|
|
rb_define_global_function("sub", rb_f_sub, -1);
|
|
rb_define_global_function("gsub", rb_f_gsub, -1);
|
|
rb_define_global_function("chop", rb_f_chop, 0);
|
|
rb_define_global_function("chomp", rb_f_chomp, -1);
|
|
}
|
|
|
|
rb_define_readonly_boolean("$-p", opt->do_print);
|
|
rb_define_readonly_boolean("$-l", opt->do_line);
|
|
rb_define_readonly_boolean("$-a", opt->do_split);
|
|
|
|
rb_gvar_ractor_local("$-p");
|
|
rb_gvar_ractor_local("$-l");
|
|
rb_gvar_ractor_local("$-a");
|
|
|
|
if ((rb_e_script = opt->e_script) != 0) {
|
|
rb_str_freeze(rb_e_script);
|
|
rb_vm_register_global_object(opt->e_script);
|
|
}
|
|
|
|
rb_execution_context_t *ec = GET_EC();
|
|
VALUE script = (opt->e_script ? opt->e_script : Qnil);
|
|
rb_exec_event_hook_script_compiled(ec, iseq, script);
|
|
}
|
|
|
|
static VALUE
|
|
process_options(int argc, char **argv, ruby_cmdline_options_t *opt)
|
|
{
|
|
VALUE ast_value = Qnil;
|
|
struct {
|
|
rb_ast_t *ast;
|
|
pm_parse_result_t prism;
|
|
} result = {0};
|
|
#define dispose_result() \
|
|
(result.ast ? rb_ast_dispose(result.ast) : pm_parse_result_free(&result.prism))
|
|
|
|
const rb_iseq_t *iseq;
|
|
rb_encoding *enc, *lenc;
|
|
#if UTF8_PATH
|
|
rb_encoding *ienc = 0;
|
|
rb_encoding *const uenc = rb_utf8_encoding();
|
|
#endif
|
|
const char *s;
|
|
char fbuf[MAXPATHLEN];
|
|
int i = (int)proc_options(argc, argv, opt, 0);
|
|
unsigned int dump = opt->dump & dump_exit_bits;
|
|
rb_vm_t *vm = GET_VM();
|
|
const long loaded_before_enc = RARRAY_LEN(vm->loaded_features);
|
|
|
|
if (opt->dump & (DUMP_BIT(usage)|DUMP_BIT(help))) {
|
|
const char *const progname =
|
|
(argc > 0 && argv && argv[0] ? argv[0] :
|
|
origarg.argc > 0 && origarg.argv && origarg.argv[0] ? origarg.argv[0] :
|
|
ruby_engine);
|
|
show_help(progname, (opt->dump & DUMP_BIT(help)));
|
|
return Qtrue;
|
|
}
|
|
|
|
argc -= i;
|
|
argv += i;
|
|
|
|
if (FEATURE_SET_P(opt->features, rubyopt) && (s = getenv("RUBYOPT"))) {
|
|
moreswitches(s, opt, 1);
|
|
}
|
|
|
|
if (opt->src.enc.name)
|
|
/* cannot set deprecated category, as enabling deprecation warnings based on flags
|
|
* has not happened yet.
|
|
*/
|
|
rb_warning("-K is specified; it is for 1.8 compatibility and may cause odd behavior");
|
|
|
|
if (!(FEATURE_SET_BITS(opt->features) & feature_jit_mask)) {
|
|
#if USE_YJIT
|
|
if (!FEATURE_USED_P(opt->features, yjit) && env_var_truthy("RUBY_YJIT_ENABLE")) {
|
|
FEATURE_SET(opt->features, FEATURE_BIT(yjit));
|
|
}
|
|
#endif
|
|
}
|
|
if (MULTI_BITS_P(FEATURE_SET_BITS(opt->features) & feature_jit_mask)) {
|
|
rb_warn("RJIT and YJIT cannot both be enabled at the same time. Exiting");
|
|
return Qfalse;
|
|
}
|
|
|
|
#if USE_RJIT
|
|
if (FEATURE_SET_P(opt->features, rjit)) {
|
|
opt->rjit.on = true; // set opt->rjit.on for Init_ruby_description() and calling rb_rjit_init()
|
|
}
|
|
#endif
|
|
#if USE_YJIT
|
|
if (FEATURE_SET_P(opt->features, yjit)) {
|
|
bool rb_yjit_option_disable(void);
|
|
opt->yjit = !rb_yjit_option_disable(); // set opt->yjit for Init_ruby_description() and calling rb_yjit_init()
|
|
}
|
|
#endif
|
|
|
|
ruby_mn_threads_params();
|
|
Init_ruby_description(opt);
|
|
|
|
if (opt->dump & (DUMP_BIT(version) | DUMP_BIT(version_v))) {
|
|
ruby_show_version();
|
|
if (opt->dump & DUMP_BIT(version)) return Qtrue;
|
|
}
|
|
if (opt->dump & DUMP_BIT(copyright)) {
|
|
ruby_show_copyright();
|
|
return Qtrue;
|
|
}
|
|
|
|
if (!opt->e_script) {
|
|
if (argc <= 0) { /* no more args */
|
|
if (opt->verbose)
|
|
return Qtrue;
|
|
opt->script = "-";
|
|
}
|
|
else {
|
|
opt->script = argv[0];
|
|
if (!opt->script || opt->script[0] == '\0') {
|
|
opt->script = "-";
|
|
}
|
|
else if (opt->do_search) {
|
|
const char *path = getenv("RUBYPATH");
|
|
|
|
opt->script = 0;
|
|
if (path) {
|
|
opt->script = dln_find_file_r(argv[0], path, fbuf, sizeof(fbuf));
|
|
}
|
|
if (!opt->script) {
|
|
opt->script = dln_find_file_r(argv[0], getenv(PATH_ENV), fbuf, sizeof(fbuf));
|
|
}
|
|
if (!opt->script)
|
|
opt->script = argv[0];
|
|
}
|
|
argc--;
|
|
argv++;
|
|
}
|
|
if (opt->script[0] == '-' && !opt->script[1]) {
|
|
forbid_setid("program input from stdin");
|
|
}
|
|
}
|
|
|
|
opt->script_name = rb_str_new_cstr(opt->script);
|
|
opt->script = RSTRING_PTR(opt->script_name);
|
|
|
|
#ifdef _WIN32
|
|
translit_char_bin(RSTRING_PTR(opt->script_name), '\\', '/');
|
|
#endif
|
|
|
|
ruby_gc_set_params();
|
|
ruby_init_loadpath();
|
|
|
|
Init_enc();
|
|
lenc = rb_locale_encoding();
|
|
rb_enc_associate(rb_progname, lenc);
|
|
rb_obj_freeze(rb_progname);
|
|
if (opt->ext.enc.name != 0) {
|
|
opt->ext.enc.index = opt_enc_index(opt->ext.enc.name);
|
|
}
|
|
if (opt->intern.enc.name != 0) {
|
|
opt->intern.enc.index = opt_enc_index(opt->intern.enc.name);
|
|
}
|
|
if (opt->src.enc.name != 0) {
|
|
opt->src.enc.index = opt_enc_index(opt->src.enc.name);
|
|
src_encoding_index = opt->src.enc.index;
|
|
}
|
|
if (opt->ext.enc.index >= 0) {
|
|
enc = rb_enc_from_index(opt->ext.enc.index);
|
|
}
|
|
else {
|
|
enc = IF_UTF8_PATH(uenc, lenc);
|
|
}
|
|
rb_enc_set_default_external(rb_enc_from_encoding(enc));
|
|
if (opt->intern.enc.index >= 0) {
|
|
enc = rb_enc_from_index(opt->intern.enc.index);
|
|
rb_enc_set_default_internal(rb_enc_from_encoding(enc));
|
|
opt->intern.enc.index = -1;
|
|
#if UTF8_PATH
|
|
ienc = enc;
|
|
#endif
|
|
}
|
|
rb_enc_associate(opt->script_name, IF_UTF8_PATH(uenc, lenc));
|
|
#if UTF8_PATH
|
|
if (uenc != lenc) {
|
|
opt->script_name = str_conv_enc(opt->script_name, uenc, lenc);
|
|
opt->script = RSTRING_PTR(opt->script_name);
|
|
}
|
|
#endif
|
|
rb_obj_freeze(opt->script_name);
|
|
if (IF_UTF8_PATH(uenc != lenc, 1)) {
|
|
long i;
|
|
VALUE load_path = vm->load_path;
|
|
const ID id_initial_load_path_mark = INITIAL_LOAD_PATH_MARK;
|
|
int modifiable = FALSE;
|
|
|
|
rb_get_expanded_load_path();
|
|
for (i = 0; i < RARRAY_LEN(load_path); ++i) {
|
|
VALUE path = RARRAY_AREF(load_path, i);
|
|
int mark = rb_attr_get(path, id_initial_load_path_mark) == path;
|
|
#if UTF8_PATH
|
|
VALUE newpath = rb_str_conv_enc(path, uenc, lenc);
|
|
if (newpath == path) continue;
|
|
path = newpath;
|
|
#else
|
|
if (!(path = copy_str(path, lenc, !mark))) continue;
|
|
#endif
|
|
if (mark) rb_ivar_set(path, id_initial_load_path_mark, path);
|
|
if (!modifiable) {
|
|
rb_ary_modify(load_path);
|
|
modifiable = TRUE;
|
|
}
|
|
RARRAY_ASET(load_path, i, path);
|
|
}
|
|
if (modifiable) {
|
|
rb_ary_replace(vm->load_path_snapshot, load_path);
|
|
}
|
|
}
|
|
{
|
|
VALUE loaded_features = vm->loaded_features;
|
|
bool modified = false;
|
|
for (long i = loaded_before_enc; i < RARRAY_LEN(loaded_features); ++i) {
|
|
VALUE path = RARRAY_AREF(loaded_features, i);
|
|
if (!(path = copy_str(path, IF_UTF8_PATH(uenc, lenc), true))) continue;
|
|
if (!modified) {
|
|
rb_ary_modify(loaded_features);
|
|
modified = true;
|
|
}
|
|
RARRAY_ASET(loaded_features, i, path);
|
|
}
|
|
if (modified) {
|
|
rb_ary_replace(vm->loaded_features_snapshot, loaded_features);
|
|
}
|
|
}
|
|
|
|
if (opt->features.mask & COMPILATION_FEATURES) {
|
|
VALUE option = rb_hash_new();
|
|
#define SET_COMPILE_OPTION(h, o, name) \
|
|
rb_hash_aset((h), ID2SYM(rb_intern_const(#name)), \
|
|
RBOOL(FEATURE_SET_P(o->features, name)))
|
|
|
|
if (FEATURE_SET_P(opt->features, frozen_string_literal_set)) {
|
|
SET_COMPILE_OPTION(option, opt, frozen_string_literal);
|
|
}
|
|
SET_COMPILE_OPTION(option, opt, debug_frozen_string_literal);
|
|
rb_funcallv(rb_cISeq, rb_intern_const("compile_option="), 1, &option);
|
|
#undef SET_COMPILE_OPTION
|
|
}
|
|
ruby_set_argv(argc, argv);
|
|
opt->sflag = process_sflag(opt->sflag);
|
|
|
|
if (opt->e_script) {
|
|
rb_encoding *eenc;
|
|
if (opt->src.enc.index >= 0) {
|
|
eenc = rb_enc_from_index(opt->src.enc.index);
|
|
}
|
|
else {
|
|
eenc = lenc;
|
|
#if UTF8_PATH
|
|
if (ienc) eenc = ienc;
|
|
#endif
|
|
}
|
|
#if UTF8_PATH
|
|
if (eenc != uenc) {
|
|
opt->e_script = str_conv_enc(opt->e_script, uenc, eenc);
|
|
}
|
|
#endif
|
|
rb_enc_associate(opt->e_script, eenc);
|
|
}
|
|
|
|
if (!rb_ruby_prism_p()) {
|
|
ast_value = process_script(opt);
|
|
if (!(result.ast = rb_ruby_ast_data_get(ast_value))) return Qfalse;
|
|
}
|
|
else {
|
|
prism_script(opt, &result.prism);
|
|
}
|
|
ruby_set_script_name(opt->script_name);
|
|
if ((dump & DUMP_BIT(yydebug)) && !(dump &= ~DUMP_BIT(yydebug))) {
|
|
dispose_result();
|
|
return Qtrue;
|
|
}
|
|
|
|
if (opt->ext.enc.index >= 0) {
|
|
enc = rb_enc_from_index(opt->ext.enc.index);
|
|
}
|
|
else {
|
|
enc = IF_UTF8_PATH(uenc, lenc);
|
|
}
|
|
rb_enc_set_default_external(rb_enc_from_encoding(enc));
|
|
if (opt->intern.enc.index >= 0) {
|
|
/* Set in the shebang line */
|
|
enc = rb_enc_from_index(opt->intern.enc.index);
|
|
rb_enc_set_default_internal(rb_enc_from_encoding(enc));
|
|
}
|
|
else if (!rb_default_internal_encoding())
|
|
/* Freeze default_internal */
|
|
rb_enc_set_default_internal(Qnil);
|
|
rb_stdio_set_default_encoding();
|
|
|
|
opt->sflag = process_sflag(opt->sflag);
|
|
opt->xflag = 0;
|
|
|
|
if (dump & DUMP_BIT(syntax)) {
|
|
printf("Syntax OK\n");
|
|
dump &= ~DUMP_BIT(syntax);
|
|
if (!dump) return Qtrue;
|
|
}
|
|
|
|
if (dump & DUMP_BIT(parsetree)) {
|
|
VALUE tree;
|
|
if (result.ast) {
|
|
int comment = opt->dump & DUMP_BIT(opt_comment);
|
|
tree = rb_parser_dump_tree(result.ast->body.root, comment);
|
|
}
|
|
else {
|
|
tree = prism_dump_tree(&result.prism);
|
|
}
|
|
rb_io_write(rb_stdout, tree);
|
|
rb_io_flush(rb_stdout);
|
|
dump &= ~DUMP_BIT(parsetree);
|
|
if (!dump) {
|
|
dispose_result();
|
|
return Qtrue;
|
|
}
|
|
}
|
|
|
|
{
|
|
VALUE path = Qnil;
|
|
if (!opt->e_script && strcmp(opt->script, "-")) {
|
|
path = rb_realpath_internal(Qnil, opt->script_name, 1);
|
|
#if UTF8_PATH
|
|
if (uenc != lenc) {
|
|
path = str_conv_enc(path, uenc, lenc);
|
|
}
|
|
#endif
|
|
if (!ENCODING_GET(path)) { /* ASCII-8BIT */
|
|
rb_enc_copy(path, opt->script_name);
|
|
}
|
|
}
|
|
|
|
rb_binding_t *toplevel_binding;
|
|
GetBindingPtr(rb_const_get(rb_cObject, rb_intern("TOPLEVEL_BINDING")), toplevel_binding);
|
|
const struct rb_block *base_block = toplevel_context(toplevel_binding);
|
|
const rb_iseq_t *parent = vm_block_iseq(base_block);
|
|
bool optimize = (opt->dump & DUMP_BIT(opt_optimize)) != 0;
|
|
|
|
if (!result.ast) {
|
|
pm_parse_result_t *pm = &result.prism;
|
|
int error_state;
|
|
iseq = pm_iseq_new_main(&pm->node, opt->script_name, path, parent, optimize, &error_state);
|
|
|
|
pm_parse_result_free(pm);
|
|
|
|
if (error_state) {
|
|
RUBY_ASSERT(iseq == NULL);
|
|
rb_jump_tag(error_state);
|
|
}
|
|
}
|
|
else {
|
|
rb_ast_t *ast = result.ast;
|
|
iseq = rb_iseq_new_main(ast_value, opt->script_name, path, parent, optimize);
|
|
rb_ast_dispose(ast);
|
|
}
|
|
}
|
|
|
|
if (dump & DUMP_BIT(insns)) {
|
|
rb_io_write(rb_stdout, rb_iseq_disasm((const rb_iseq_t *)iseq));
|
|
rb_io_flush(rb_stdout);
|
|
dump &= ~DUMP_BIT(insns);
|
|
if (!dump) return Qtrue;
|
|
}
|
|
if (opt->dump & dump_exit_bits) return Qtrue;
|
|
|
|
process_options_global_setup(opt, iseq);
|
|
return (VALUE)iseq;
|
|
}
|
|
|
|
#ifndef DOSISH
|
|
static void
|
|
warn_cr_in_shebang(const char *str, long len)
|
|
{
|
|
if (len > 1 && str[len-1] == '\n' && str[len-2] == '\r') {
|
|
rb_warn("shebang line ending with \\r may cause problems");
|
|
}
|
|
}
|
|
#else
|
|
#define warn_cr_in_shebang(str, len) (void)0
|
|
#endif
|
|
|
|
void rb_reset_argf_lineno(long n);
|
|
|
|
struct load_file_arg {
|
|
VALUE parser;
|
|
VALUE fname;
|
|
int script;
|
|
ruby_cmdline_options_t *opt;
|
|
VALUE f;
|
|
};
|
|
|
|
void rb_set_script_lines_for(VALUE vparser, VALUE path);
|
|
|
|
static VALUE
|
|
load_file_internal(VALUE argp_v)
|
|
{
|
|
struct load_file_arg *argp = (struct load_file_arg *)argp_v;
|
|
VALUE parser = argp->parser;
|
|
VALUE orig_fname = argp->fname;
|
|
int script = argp->script;
|
|
ruby_cmdline_options_t *opt = argp->opt;
|
|
VALUE f = argp->f;
|
|
int line_start = 1;
|
|
VALUE ast_value = Qnil;
|
|
rb_encoding *enc;
|
|
ID set_encoding;
|
|
|
|
CONST_ID(set_encoding, "set_encoding");
|
|
if (script) {
|
|
VALUE c = 1; /* something not nil */
|
|
VALUE line;
|
|
char *p, *str;
|
|
long len;
|
|
int no_src_enc = !opt->src.enc.name;
|
|
int no_ext_enc = !opt->ext.enc.name;
|
|
int no_int_enc = !opt->intern.enc.name;
|
|
|
|
enc = rb_ascii8bit_encoding();
|
|
rb_funcall(f, set_encoding, 1, rb_enc_from_encoding(enc));
|
|
|
|
if (opt->xflag) {
|
|
line_start--;
|
|
search_shebang:
|
|
while (!NIL_P(line = rb_io_gets(f))) {
|
|
line_start++;
|
|
RSTRING_GETMEM(line, str, len);
|
|
if (len > 2 && str[0] == '#' && str[1] == '!') {
|
|
if (line_start == 1) warn_cr_in_shebang(str, len);
|
|
if ((p = strstr(str+2, ruby_engine)) != 0) {
|
|
goto start_read;
|
|
}
|
|
}
|
|
}
|
|
rb_loaderror("no Ruby script found in input");
|
|
}
|
|
|
|
c = rb_io_getbyte(f);
|
|
if (c == INT2FIX('#')) {
|
|
c = rb_io_getbyte(f);
|
|
if (c == INT2FIX('!') && !NIL_P(line = rb_io_gets(f))) {
|
|
RSTRING_GETMEM(line, str, len);
|
|
warn_cr_in_shebang(str, len);
|
|
if ((p = strstr(str, ruby_engine)) == 0) {
|
|
/* not ruby script, assume -x flag */
|
|
goto search_shebang;
|
|
}
|
|
|
|
start_read:
|
|
str += len - 1;
|
|
if (*str == '\n') *str-- = '\0';
|
|
if (*str == '\r') *str-- = '\0';
|
|
/* ruby_engine should not contain a space */
|
|
if ((p = strstr(p, " -")) != 0) {
|
|
opt->warning = 0;
|
|
moreswitches(p + 1, opt, 0);
|
|
}
|
|
|
|
/* push back shebang for pragma may exist in next line */
|
|
rb_io_ungetbyte(f, rb_str_new2("!\n"));
|
|
}
|
|
else if (!NIL_P(c)) {
|
|
rb_io_ungetbyte(f, c);
|
|
}
|
|
rb_io_ungetbyte(f, INT2FIX('#'));
|
|
if (no_src_enc && opt->src.enc.name) {
|
|
opt->src.enc.index = opt_enc_index(opt->src.enc.name);
|
|
src_encoding_index = opt->src.enc.index;
|
|
}
|
|
if (no_ext_enc && opt->ext.enc.name) {
|
|
opt->ext.enc.index = opt_enc_index(opt->ext.enc.name);
|
|
}
|
|
if (no_int_enc && opt->intern.enc.name) {
|
|
opt->intern.enc.index = opt_enc_index(opt->intern.enc.name);
|
|
}
|
|
}
|
|
else if (!NIL_P(c)) {
|
|
rb_io_ungetbyte(f, c);
|
|
}
|
|
if (NIL_P(c)) {
|
|
argp->f = f = Qnil;
|
|
}
|
|
rb_reset_argf_lineno(0);
|
|
ruby_opt_init(opt);
|
|
}
|
|
if (opt->src.enc.index >= 0) {
|
|
enc = rb_enc_from_index(opt->src.enc.index);
|
|
}
|
|
else if (f == rb_stdin) {
|
|
enc = rb_locale_encoding();
|
|
}
|
|
else {
|
|
enc = rb_utf8_encoding();
|
|
}
|
|
rb_parser_set_options(parser, opt->do_print, opt->do_loop,
|
|
opt->do_line, opt->do_split);
|
|
|
|
rb_set_script_lines_for(parser, orig_fname);
|
|
|
|
if (NIL_P(f)) {
|
|
f = rb_str_new(0, 0);
|
|
rb_enc_associate(f, enc);
|
|
return rb_parser_compile_string_path(parser, orig_fname, f, line_start);
|
|
}
|
|
rb_funcall(f, set_encoding, 2, rb_enc_from_encoding(enc), rb_str_new_cstr("-"));
|
|
ast_value = rb_parser_compile_file_path(parser, orig_fname, f, line_start);
|
|
rb_funcall(f, set_encoding, 1, rb_parser_encoding(parser));
|
|
if (script && rb_parser_end_seen_p(parser)) {
|
|
/*
|
|
* DATA is a File that contains the data section of the executed file.
|
|
* To create a data section use <tt>__END__</tt>:
|
|
*
|
|
* $ cat t.rb
|
|
* puts DATA.gets
|
|
* __END__
|
|
* hello world!
|
|
*
|
|
* $ ruby t.rb
|
|
* hello world!
|
|
*/
|
|
rb_define_global_const("DATA", f);
|
|
argp->f = Qnil;
|
|
}
|
|
return ast_value;
|
|
}
|
|
|
|
/* disabling O_NONBLOCK, and returns 0 on success, otherwise errno */
|
|
static inline int
|
|
disable_nonblock(int fd)
|
|
{
|
|
#if defined(HAVE_FCNTL) && defined(F_SETFL)
|
|
if (fcntl(fd, F_SETFL, 0) < 0) {
|
|
const int e = errno;
|
|
ASSUME(e != 0);
|
|
# if defined ENOTSUP
|
|
if (e == ENOTSUP) return 0;
|
|
# endif
|
|
# if defined B_UNSUPPORTED
|
|
if (e == B_UNSUPPORTED) return 0;
|
|
# endif
|
|
return e;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static VALUE
|
|
open_load_file(VALUE fname_v, int *xflag)
|
|
{
|
|
const char *fname = (fname_v = rb_str_encode_ospath(fname_v),
|
|
StringValueCStr(fname_v));
|
|
long flen = RSTRING_LEN(fname_v);
|
|
VALUE f;
|
|
int e;
|
|
|
|
if (flen == 1 && fname[0] == '-') {
|
|
f = rb_stdin;
|
|
}
|
|
else {
|
|
int fd;
|
|
/* open(2) may block if fname is point to FIFO and it's empty. Let's
|
|
use O_NONBLOCK. */
|
|
const int MODE_TO_LOAD = O_RDONLY | (
|
|
#if defined O_NONBLOCK && HAVE_FCNTL
|
|
/* TODO: fix conflicting O_NONBLOCK in ruby/win32.h */
|
|
!(O_NONBLOCK & O_ACCMODE) ? O_NONBLOCK :
|
|
#endif
|
|
#if defined O_NDELAY && HAVE_FCNTL
|
|
!(O_NDELAY & O_ACCMODE) ? O_NDELAY :
|
|
#endif
|
|
0);
|
|
int mode = MODE_TO_LOAD;
|
|
#if defined DOSISH || defined __CYGWIN__
|
|
# define isdirsep(x) ((x) == '/' || (x) == '\\')
|
|
{
|
|
static const char exeext[] = ".exe";
|
|
enum {extlen = sizeof(exeext)-1};
|
|
if (flen > extlen && !isdirsep(fname[flen-extlen-1]) &&
|
|
STRNCASECMP(fname+flen-extlen, exeext, extlen) == 0) {
|
|
mode |= O_BINARY;
|
|
*xflag = 1;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if ((fd = rb_cloexec_open(fname, mode, 0)) < 0) {
|
|
e = errno;
|
|
if (!rb_gc_for_fd(e)) {
|
|
rb_load_fail(fname_v, strerror(e));
|
|
}
|
|
if ((fd = rb_cloexec_open(fname, mode, 0)) < 0) {
|
|
rb_load_fail(fname_v, strerror(errno));
|
|
}
|
|
}
|
|
rb_update_max_fd(fd);
|
|
|
|
if (MODE_TO_LOAD != O_RDONLY && (e = disable_nonblock(fd)) != 0) {
|
|
(void)close(fd);
|
|
rb_load_fail(fname_v, strerror(e));
|
|
}
|
|
|
|
e = ruby_is_fd_loadable(fd);
|
|
if (!e) {
|
|
e = errno;
|
|
(void)close(fd);
|
|
rb_load_fail(fname_v, strerror(e));
|
|
}
|
|
|
|
f = rb_io_fdopen(fd, mode, fname);
|
|
if (e < 0) {
|
|
/*
|
|
We need to wait if FIFO is empty. It's FIFO's semantics.
|
|
rb_thread_wait_fd() release GVL. So, it's safe.
|
|
*/
|
|
rb_io_wait(f, RB_INT2NUM(RUBY_IO_READABLE), Qnil);
|
|
}
|
|
}
|
|
return f;
|
|
}
|
|
|
|
static VALUE
|
|
restore_load_file(VALUE arg)
|
|
{
|
|
struct load_file_arg *argp = (struct load_file_arg *)arg;
|
|
VALUE f = argp->f;
|
|
|
|
if (!NIL_P(f) && f != rb_stdin) {
|
|
rb_io_close(f);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
load_file(VALUE parser, VALUE fname, VALUE f, int script, ruby_cmdline_options_t *opt)
|
|
{
|
|
struct load_file_arg arg;
|
|
arg.parser = parser;
|
|
arg.fname = fname;
|
|
arg.script = script;
|
|
arg.opt = opt;
|
|
arg.f = f;
|
|
return rb_ensure(load_file_internal, (VALUE)&arg,
|
|
restore_load_file, (VALUE)&arg);
|
|
}
|
|
|
|
void *
|
|
rb_load_file(const char *fname)
|
|
{
|
|
VALUE fname_v = rb_str_new_cstr(fname);
|
|
return rb_load_file_str(fname_v);
|
|
}
|
|
|
|
void *
|
|
rb_load_file_str(VALUE fname_v)
|
|
{
|
|
VALUE ast_value;
|
|
ast_value = rb_parser_load_file(rb_parser_new(), fname_v);
|
|
return (void *)rb_ruby_ast_data_get(ast_value);
|
|
}
|
|
|
|
VALUE
|
|
rb_parser_load_file(VALUE parser, VALUE fname_v)
|
|
{
|
|
ruby_cmdline_options_t opt;
|
|
int xflag = 0;
|
|
VALUE f = open_load_file(fname_v, &xflag);
|
|
cmdline_options_init(&opt)->xflag = xflag != 0;
|
|
return load_file(parser, fname_v, f, 0, &opt);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* Process.argv0 -> frozen_string
|
|
*
|
|
* Returns the name of the script being executed. The value is not
|
|
* affected by assigning a new value to $0.
|
|
*
|
|
* This method first appeared in Ruby 2.1 to serve as a global
|
|
* variable free means to get the script name.
|
|
*/
|
|
|
|
static VALUE
|
|
proc_argv0(VALUE process)
|
|
{
|
|
return rb_orig_progname;
|
|
}
|
|
|
|
static VALUE ruby_setproctitle(VALUE title);
|
|
|
|
/*
|
|
* call-seq:
|
|
* Process.setproctitle(string) -> string
|
|
*
|
|
* Sets the process title that appears on the ps(1) command. Not
|
|
* necessarily effective on all platforms. No exception will be
|
|
* raised regardless of the result, nor will NotImplementedError be
|
|
* raised even if the platform does not support the feature.
|
|
*
|
|
* Calling this method does not affect the value of $0.
|
|
*
|
|
* Process.setproctitle('myapp: worker #%d' % worker_id)
|
|
*
|
|
* This method first appeared in Ruby 2.1 to serve as a global
|
|
* variable free means to change the process title.
|
|
*/
|
|
|
|
static VALUE
|
|
proc_setproctitle(VALUE process, VALUE title)
|
|
{
|
|
return ruby_setproctitle(title);
|
|
}
|
|
|
|
static VALUE
|
|
ruby_setproctitle(VALUE title)
|
|
{
|
|
const char *ptr = StringValueCStr(title);
|
|
setproctitle("%.*s", RSTRING_LENINT(title), ptr);
|
|
return title;
|
|
}
|
|
|
|
static void
|
|
set_arg0(VALUE val, ID id, VALUE *_)
|
|
{
|
|
if (origarg.argv == 0)
|
|
rb_raise(rb_eRuntimeError, "$0 not initialized");
|
|
|
|
rb_progname = rb_str_new_frozen(ruby_setproctitle(val));
|
|
}
|
|
|
|
static inline VALUE
|
|
external_str_new_cstr(const char *p)
|
|
{
|
|
#if UTF8_PATH
|
|
VALUE str = rb_utf8_str_new_cstr(p);
|
|
str = str_conv_enc(str, NULL, rb_default_external_encoding());
|
|
return str;
|
|
#else
|
|
return rb_external_str_new_cstr(p);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
set_progname(VALUE name)
|
|
{
|
|
rb_orig_progname = rb_progname = name;
|
|
rb_vm_set_progname(rb_progname);
|
|
}
|
|
|
|
void
|
|
ruby_script(const char *name)
|
|
{
|
|
if (name) {
|
|
set_progname(rb_str_freeze(external_str_new_cstr(name)));
|
|
}
|
|
}
|
|
|
|
/*! Sets the current script name to this value.
|
|
*
|
|
* Same as ruby_script() but accepts a VALUE.
|
|
*/
|
|
void
|
|
ruby_set_script_name(VALUE name)
|
|
{
|
|
set_progname(rb_str_new_frozen(name));
|
|
}
|
|
|
|
static void
|
|
init_ids(ruby_cmdline_options_t *opt)
|
|
{
|
|
rb_uid_t uid = getuid();
|
|
rb_uid_t euid = geteuid();
|
|
rb_gid_t gid = getgid();
|
|
rb_gid_t egid = getegid();
|
|
|
|
if (uid != euid) opt->setids |= 1;
|
|
if (egid != gid) opt->setids |= 2;
|
|
}
|
|
|
|
#undef forbid_setid
|
|
static void
|
|
forbid_setid(const char *s, const ruby_cmdline_options_t *opt)
|
|
{
|
|
if (opt->setids & 1)
|
|
rb_raise(rb_eSecurityError, "no %s allowed while running setuid", s);
|
|
if (opt->setids & 2)
|
|
rb_raise(rb_eSecurityError, "no %s allowed while running setgid", s);
|
|
}
|
|
|
|
static VALUE
|
|
verbose_getter(ID id, VALUE *ptr)
|
|
{
|
|
return *rb_ruby_verbose_ptr();
|
|
}
|
|
|
|
static void
|
|
verbose_setter(VALUE val, ID id, VALUE *variable)
|
|
{
|
|
*rb_ruby_verbose_ptr() = RTEST(val) ? Qtrue : val;
|
|
}
|
|
|
|
static VALUE
|
|
opt_W_getter(ID id, VALUE *dmy)
|
|
{
|
|
VALUE v = *rb_ruby_verbose_ptr();
|
|
|
|
switch (v) {
|
|
case Qnil:
|
|
return INT2FIX(0);
|
|
case Qfalse:
|
|
return INT2FIX(1);
|
|
case Qtrue:
|
|
return INT2FIX(2);
|
|
default:
|
|
return Qnil;
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
debug_getter(ID id, VALUE *dmy)
|
|
{
|
|
return *rb_ruby_debug_ptr();
|
|
}
|
|
|
|
static void
|
|
debug_setter(VALUE val, ID id, VALUE *dmy)
|
|
{
|
|
*rb_ruby_debug_ptr() = val;
|
|
}
|
|
|
|
void
|
|
ruby_prog_init(void)
|
|
{
|
|
rb_define_virtual_variable("$VERBOSE", verbose_getter, verbose_setter);
|
|
rb_define_virtual_variable("$-v", verbose_getter, verbose_setter);
|
|
rb_define_virtual_variable("$-w", verbose_getter, verbose_setter);
|
|
rb_define_virtual_variable("$-W", opt_W_getter, rb_gvar_readonly_setter);
|
|
rb_define_virtual_variable("$DEBUG", debug_getter, debug_setter);
|
|
rb_define_virtual_variable("$-d", debug_getter, debug_setter);
|
|
|
|
rb_gvar_ractor_local("$VERBOSE");
|
|
rb_gvar_ractor_local("$-v");
|
|
rb_gvar_ractor_local("$-w");
|
|
rb_gvar_ractor_local("$-W");
|
|
rb_gvar_ractor_local("$DEBUG");
|
|
rb_gvar_ractor_local("$-d");
|
|
|
|
rb_define_hooked_variable("$0", &rb_progname, 0, set_arg0);
|
|
rb_define_hooked_variable("$PROGRAM_NAME", &rb_progname, 0, set_arg0);
|
|
|
|
rb_define_module_function(rb_mProcess, "argv0", proc_argv0, 0);
|
|
rb_define_module_function(rb_mProcess, "setproctitle", proc_setproctitle, 1);
|
|
|
|
/*
|
|
* ARGV contains the command line arguments used to run ruby.
|
|
*
|
|
* A library like OptionParser can be used to process command-line
|
|
* arguments.
|
|
*/
|
|
rb_define_global_const("ARGV", rb_argv);
|
|
}
|
|
|
|
void
|
|
ruby_set_argv(int argc, char **argv)
|
|
{
|
|
int i;
|
|
VALUE av = rb_argv;
|
|
|
|
rb_ary_clear(av);
|
|
for (i = 0; i < argc; i++) {
|
|
VALUE arg = external_str_new_cstr(argv[i]);
|
|
|
|
OBJ_FREEZE(arg);
|
|
rb_ary_push(av, arg);
|
|
}
|
|
}
|
|
|
|
void *
|
|
ruby_process_options(int argc, char **argv)
|
|
{
|
|
ruby_cmdline_options_t opt;
|
|
VALUE iseq;
|
|
const char *script_name = (argc > 0 && argv[0]) ? argv[0] : ruby_engine;
|
|
|
|
if (!origarg.argv || origarg.argc <= 0) {
|
|
origarg.argc = argc;
|
|
origarg.argv = argv;
|
|
}
|
|
set_progname(external_str_new_cstr(script_name)); /* for the time being */
|
|
rb_argv0 = rb_str_new4(rb_progname);
|
|
rb_vm_register_global_object(rb_argv0);
|
|
|
|
#ifndef HAVE_SETPROCTITLE
|
|
ruby_init_setproctitle(argc, argv);
|
|
#endif
|
|
|
|
iseq = process_options(argc, argv, cmdline_options_init(&opt));
|
|
|
|
if (opt.crash_report && *opt.crash_report) {
|
|
void ruby_set_crash_report(const char *template);
|
|
ruby_set_crash_report(opt.crash_report);
|
|
}
|
|
|
|
if (getenv("RUBY_FREE_AT_EXIT")) {
|
|
rb_free_at_exit = true;
|
|
rb_category_warn(RB_WARN_CATEGORY_EXPERIMENTAL, "Free at exit is experimental and may be unstable");
|
|
}
|
|
|
|
return (void*)(struct RData*)iseq;
|
|
}
|
|
|
|
static void
|
|
fill_standard_fds(void)
|
|
{
|
|
int f0, f1, f2, fds[2];
|
|
struct stat buf;
|
|
f0 = fstat(0, &buf) == -1 && errno == EBADF;
|
|
f1 = fstat(1, &buf) == -1 && errno == EBADF;
|
|
f2 = fstat(2, &buf) == -1 && errno == EBADF;
|
|
if (f0) {
|
|
if (pipe(fds) == 0) {
|
|
close(fds[1]);
|
|
if (fds[0] != 0) {
|
|
dup2(fds[0], 0);
|
|
close(fds[0]);
|
|
}
|
|
}
|
|
}
|
|
if (f1 || f2) {
|
|
if (pipe(fds) == 0) {
|
|
close(fds[0]);
|
|
if (f1 && fds[1] != 1)
|
|
dup2(fds[1], 1);
|
|
if (f2 && fds[1] != 2)
|
|
dup2(fds[1], 2);
|
|
if (fds[1] != 1 && fds[1] != 2)
|
|
close(fds[1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
ruby_sysinit(int *argc, char ***argv)
|
|
{
|
|
#if defined(_WIN32)
|
|
rb_w32_sysinit(argc, argv);
|
|
#endif
|
|
if (*argc >= 0 && *argv) {
|
|
origarg.argc = *argc;
|
|
origarg.argv = *argv;
|
|
}
|
|
fill_standard_fds();
|
|
}
|