Fresh start

1 files changed, 275 insertions, 0 deletions

diff --git a/jni/ruby/eval_intern.h b/jni/ruby/eval_intern.h
new file mode 100644
index 0000000..163eeb1
--- /dev/null
+++ b/jni/ruby/eval_intern.h
@@ -0,0 +1,275 @@
+#ifndef RUBY_EVAL_INTERN_H
+#define RUBY_EVAL_INTERN_H
+
+#include "ruby/ruby.h"
+#include "vm_core.h"
+
+#define PASS_PASSED_BLOCK_TH(th) do { \
+    (th)->passed_block = rb_vm_control_frame_block_ptr(th->cfp); \
+    (th)->cfp->flag |= VM_FRAME_FLAG_PASSED; \
+} while (0)
+
+#define PASS_PASSED_BLOCK() do { \
+    rb_thread_t * const __th__ = GET_THREAD(); \
+    PASS_PASSED_BLOCK_TH(__th__); \
+} while (0)
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#ifndef EXIT_SUCCESS
+#define EXIT_SUCCESS 0
+#endif
+#ifndef EXIT_FAILURE
+#define EXIT_FAILURE 1
+#endif
+
+#include <stdio.h>
+#include <setjmp.h>
+
+#ifdef __APPLE__
+# ifdef HAVE_CRT_EXTERNS_H
+#  include <crt_externs.h>
+# else
+#  include "missing/crt_externs.h"
+# endif
+#endif
+
+#ifndef HAVE_STRING_H
+char *strrchr(const char *, const char);
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef HAVE_NET_SOCKET_H
+#include <net/socket.h>
+#endif
+
+#define ruby_setjmp(env) RUBY_SETJMP(env)
+#define ruby_longjmp(env,val) RUBY_LONGJMP((env),(val))
+#ifdef __CYGWIN__
+# ifndef _setjmp
+int _setjmp(jmp_buf);
+# endif
+# ifndef _longjmp
+NORETURN(void _longjmp(jmp_buf, int));
+# endif
+#endif
+
+#include <sys/types.h>
+#include <signal.h>
+#include <errno.h>
+
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+
+/*
+  Solaris sys/select.h switches select to select_large_fdset to support larger
+  file descriptors if FD_SETSIZE is larger than 1024 on 32bit environment.
+  But Ruby doesn't change FD_SETSIZE because fd_set is allocated dynamically.
+  So following definition is required to use select_large_fdset.
+*/
+#ifdef HAVE_SELECT_LARGE_FDSET
+#define select(n, r, w, e, t) select_large_fdset((n), (r), (w), (e), (t))
+extern int select_large_fdset(int, fd_set *, fd_set *, fd_set *, struct timeval *);
+#endif
+
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+
+#include <sys/stat.h>
+
+#ifdef _MSC_VER
+#define SAVE_ROOT_JMPBUF_BEFORE_STMT \
+    __try {
+#define SAVE_ROOT_JMPBUF_AFTER_STMT \
+    } \
+    __except (GetExceptionCode() == EXCEPTION_STACK_OVERFLOW ? \
+	      (rb_thread_raised_set(GET_THREAD(), RAISED_STACKOVERFLOW), \
+	       raise(SIGSEGV), \
+	       EXCEPTION_EXECUTE_HANDLER) : \
+	      EXCEPTION_CONTINUE_SEARCH) { \
+	/* never reaches here */ \
+    }
+#elif defined(__MINGW32__)
+LONG WINAPI rb_w32_stack_overflow_handler(struct _EXCEPTION_POINTERS *);
+#define SAVE_ROOT_JMPBUF_BEFORE_STMT \
+    do { \
+	PVOID _handler = AddVectoredExceptionHandler(1, rb_w32_stack_overflow_handler);
+
+#define SAVE_ROOT_JMPBUF_AFTER_STMT \
+	RemoveVectoredExceptionHandler(_handler); \
+    } while (0);
+#else
+#define SAVE_ROOT_JMPBUF_BEFORE_STMT
+#define SAVE_ROOT_JMPBUF_AFTER_STMT
+#endif
+
+#define SAVE_ROOT_JMPBUF(th, stmt) do \
+  if (ruby_setjmp((th)->root_jmpbuf) == 0) { \
+      SAVE_ROOT_JMPBUF_BEFORE_STMT \
+      stmt; \
+      SAVE_ROOT_JMPBUF_AFTER_STMT \
+  } \
+  else { \
+      rb_fiber_start(); \
+  } while (0)
+
+#define TH_PUSH_TAG(th) do { \
+  rb_thread_t * const _th = (th); \
+  struct rb_vm_tag _tag; \
+  _tag.tag = 0; \
+  _tag.prev = _th->tag;
+
+#define TH_POP_TAG() \
+  _th->tag = _tag.prev; \
+} while (0)
+
+#define TH_TMPPOP_TAG() \
+  _th->tag = _tag.prev
+
+#define TH_REPUSH_TAG() (void)(_th->tag = &_tag)
+
+#define PUSH_TAG() TH_PUSH_TAG(GET_THREAD())
+#define POP_TAG()      TH_POP_TAG()
+
+#if defined __GNUC__ && __GNUC__ == 4 && (__GNUC_MINOR__ >= 6 && __GNUC_MINOR__ <= 8)
+# define VAR_FROM_MEMORY(var) __extension__(*(__typeof__(var) volatile *)&(var))
+# define VAR_INITIALIZED(var) ((var) = VAR_FROM_MEMORY(var))
+#else
+# define VAR_FROM_MEMORY(var) (var)
+# define VAR_INITIALIZED(var) ((void)&(var))
+#endif
+
+/* clear th->state, and return the value */
+static inline int
+rb_threadptr_tag_state(rb_thread_t *th)
+{
+    int state = th->state;
+    th->state = 0;
+    return state;
+}
+
+NORETURN(static inline void rb_threadptr_tag_jump(rb_thread_t *, int));
+static inline void
+rb_threadptr_tag_jump(rb_thread_t *th, int st)
+{
+    th->state = st;
+    ruby_longjmp(th->tag->buf, 1);
+}
+
+/*
+  setjmp() in assignment expression rhs is undefined behavior
+  [ISO/IEC 9899:1999] 7.13.1.1
+*/
+#define TH_EXEC_TAG() \
+    (ruby_setjmp(_tag.buf) ? rb_threadptr_tag_state(VAR_FROM_MEMORY(_th)) : (TH_REPUSH_TAG(), 0))
+
+#define EXEC_TAG() \
+  TH_EXEC_TAG()
+
+#define TH_JUMP_TAG(th, st) rb_threadptr_tag_jump(th, st)
+
+#define JUMP_TAG(st) TH_JUMP_TAG(GET_THREAD(), (st))
+
+#define INTERNAL_EXCEPTION_P(exc) FIXNUM_P(exc)
+
+enum ruby_tag_type {
+    RUBY_TAG_RETURN	= 0x1,
+    RUBY_TAG_BREAK	= 0x2,
+    RUBY_TAG_NEXT	= 0x3,
+    RUBY_TAG_RETRY	= 0x4,
+    RUBY_TAG_REDO	= 0x5,
+    RUBY_TAG_RAISE	= 0x6,
+    RUBY_TAG_THROW	= 0x7,
+    RUBY_TAG_FATAL	= 0x8,
+    RUBY_TAG_MASK	= 0xf
+};
+#define TAG_RETURN	RUBY_TAG_RETURN
+#define TAG_BREAK	RUBY_TAG_BREAK
+#define TAG_NEXT	RUBY_TAG_NEXT
+#define TAG_RETRY	RUBY_TAG_RETRY
+#define TAG_REDO	RUBY_TAG_REDO
+#define TAG_RAISE	RUBY_TAG_RAISE
+#define TAG_THROW	RUBY_TAG_THROW
+#define TAG_FATAL	RUBY_TAG_FATAL
+#define TAG_MASK	RUBY_TAG_MASK
+
+#define NEW_THROW_OBJECT(val, pt, st) \
+  ((VALUE)rb_node_newnode(NODE_LIT, (VALUE)(val), (VALUE)(pt), (VALUE)(st)))
+#define SET_THROWOBJ_CATCH_POINT(obj, val) \
+  (RNODE((obj))->u2.value = (val))
+#define SET_THROWOBJ_STATE(obj, val) \
+  (RNODE((obj))->u3.value = (val))
+
+#define GET_THROWOBJ_VAL(obj)         ((VALUE)RNODE((obj))->u1.value)
+#define GET_THROWOBJ_CATCH_POINT(obj) ((rb_control_frame_t*)RNODE((obj))->u2.value)
+#define GET_THROWOBJ_STATE(obj)       ((int)RNODE((obj))->u3.value)
+
+#define SCOPE_TEST(f)  (rb_vm_cref()->nd_visi & (f))
+#define SCOPE_CHECK(f) (rb_vm_cref()->nd_visi == (f))
+#define SCOPE_SET(f)   (rb_vm_cref()->nd_visi = (f))
+
+void rb_thread_cleanup(void);
+void rb_thread_wait_other_threads(void);
+
+enum {
+    RAISED_EXCEPTION = 1,
+    RAISED_STACKOVERFLOW = 2,
+    RAISED_NOMEMORY = 4
+};
+int rb_threadptr_set_raised(rb_thread_t *th);
+int rb_threadptr_reset_raised(rb_thread_t *th);
+#define rb_thread_raised_set(th, f)   ((th)->raised_flag |= (f))
+#define rb_thread_raised_reset(th, f) ((th)->raised_flag &= ~(f))
+#define rb_thread_raised_p(th, f)     (((th)->raised_flag & (f)) != 0)
+#define rb_thread_raised_clear(th)    ((th)->raised_flag = 0)
+
+VALUE rb_f_eval(int argc, const VALUE *argv, VALUE self);
+VALUE rb_make_exception(int argc, const VALUE *argv);
+
+NORETURN(void rb_method_name_error(VALUE, VALUE));
+
+NORETURN(void rb_fiber_start(void));
+
+NORETURN(void rb_print_undef(VALUE, ID, int));
+NORETURN(void rb_print_undef_str(VALUE, VALUE));
+NORETURN(void rb_print_inaccessible(VALUE, ID, int));
+NORETURN(void rb_vm_localjump_error(const char *,VALUE, int));
+NORETURN(void rb_vm_jump_tag_but_local_jump(int));
+NORETURN(void rb_raise_method_missing(rb_thread_t *th, int argc, const VALUE *argv,
+				      VALUE obj, int call_status));
+
+VALUE rb_vm_make_jump_tag_but_local_jump(int state, VALUE val);
+NODE *rb_vm_cref(void);
+VALUE rb_vm_call_cfunc(VALUE recv, VALUE (*func)(VALUE), VALUE arg, const rb_block_t *blockptr, VALUE filename);
+void rb_vm_set_progname(VALUE filename);
+void rb_thread_terminate_all(void);
+VALUE rb_vm_top_self();
+VALUE rb_vm_cbase(void);
+
+#ifndef CharNext		/* defined as CharNext[AW] on Windows. */
+# ifdef HAVE_MBLEN
+#  define CharNext(p) ((p) + mblen((p), RUBY_MBCHAR_MAXSIZE))
+# else
+#  define CharNext(p) ((p) + 1)
+# endif
+#endif
+
+#if defined DOSISH || defined __CYGWIN__
+static inline void
+translit_char(char *p, int from, int to)
+{
+    while (*p) {
+	if ((unsigned char)*p == from)
+	    *p = to;
+	p = CharNext(p);
+    }
+}
+#endif
+
+#endif /* RUBY_EVAL_INTERN_H */