gistfile1.txt

From e604de446c3b2a4a18b7fd8bbd8189f7d117bd3e Mon Sep 17 00:00:00 2001
From: Paolo Capriotti <[email protected]>
Date: Fri, 9 Jul 2010 22:59:50 +0100
Subject: [PATCH 2/2] Add rb_throw to the C API.

---
 vm/capi/include/ruby.h |    7 +++++++
 vm/capi/kernel.cpp     |    7 +++++++
 2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/vm/capi/include/ruby.h b/vm/capi/include/ruby.h
index dbbaf1a..cfe452c 100644
--- a/vm/capi/include/ruby.h
+++ b/vm/capi/include/ruby.h
@@ -1253,6 +1253,13 @@ VALUE rb_uint2big(unsigned long number);
   NORETURN(void rb_raise(VALUE error_handle, const char* format_string, ...));
 
   /**
+   *  Transfer control to the end of the innermost catch block
+   *  waiting for the given symbol.
+   *  The given value is returned by the catch block.
+   */
+  NORETURN(void rb_throw(const char* symbol, VALUE result));
+
+  /**
    * Calls the function 'func', with arg1 as the argument.  If an exception
    * occurs during 'func', it calls 'raise_func' with arg2 as the argument.  The
    * return value of rb_rescue() is the return value from 'func' if no
diff --git a/vm/capi/kernel.cpp b/vm/capi/kernel.cpp
index e3f8478..f31e9ae 100644
--- a/vm/capi/kernel.cpp
+++ b/vm/capi/kernel.cpp
@@ -85,6 +85,13 @@ extern "C" {
     exit(1);
   }
 
+  void rb_throw(const char* symbol, VALUE result) {
+    rb_funcall(rb_mKernel, rb_intern("throw"), 2, ID2SYM(rb_intern(symbol)), result);
+
+    printf("rb_throw broken!\n");
+    exit(1);
+  }
+
   VALUE rb_rescue2(VALUE (*func)(ANYARGS), VALUE arg1,
                    VALUE (*raise_func)(ANYARGS), VALUE arg2, ...)
   {
-- 
1.7.0.4