X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fbytecode.c;h=58ebc0c170dba790ba9e87c4f8ec543180590ee9;hb=fecce9f84800bf7d066fc92facf10f135b633f45;hp=b31bc4c43c5f192b657a39bdb38715f4ac4c6b91;hpb=762383636a99307282c2d93d26c35c046ec24da1;p=chise%2Fxemacs-chise.git.1

diff --git a/src/bytecode.c b/src/bytecode.c
index b31bc4c..58ebc0c 100644
--- a/src/bytecode.c
+++ b/src/bytecode.c
@@ -211,6 +211,7 @@ typedef enum Opcode Opcode;
 typedef unsigned char Opbyte;
 
 
+static void check_opcode (Opcode opcode);
 static void invalid_byte_code_error (char *error_message, ...);
 
 Lisp_Object * execute_rare_opcode (Lisp_Object *stack_ptr,
@@ -471,7 +472,6 @@ Lisp_Object
 funcall_compiled_function (Lisp_Object fun, int nargs, Lisp_Object args[])
 {
   /* This function can GC */
-  Lisp_Object symbol, tail;
   int speccount = specpdl_depth();
   REGISTER int i = 0;
   Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (fun);
@@ -486,24 +486,26 @@ funcall_compiled_function (Lisp_Object fun, int nargs, Lisp_Object args[])
      and local variables of fun.   So just reserve it once. */
   SPECPDL_RESERVE (f->specpdl_depth);
 
-  /* Fmake_byte_code() guaranteed that f->arglist is a valid list
-     containing only non-constant symbols. */
-  LIST_LOOP_3 (symbol, f->arglist, tail)
-    {
-      if (EQ (symbol, Qand_rest))
-	{
-	  tail = XCDR (tail);
-	  symbol  = XCAR (tail);
-	  SPECBIND_FAST_UNSAFE (symbol, Flist (nargs - i, &args[i]));
-	  goto run_code;
-	}
-      else if (EQ (symbol, Qand_optional))
-	optional = 1;
-      else if (i == nargs && !optional)
-	goto wrong_number_of_arguments;
-      else
-	SPECBIND_FAST_UNSAFE (symbol, i < nargs ? args[i++] : Qnil);
-    }
+  {
+    /* Fmake_byte_code() guaranteed that f->arglist is a valid list
+       containing only non-constant symbols. */
+    LIST_LOOP_3 (symbol, f->arglist, tail)
+      {
+	if (EQ (symbol, Qand_rest))
+	  {
+	    tail = XCDR (tail);
+	    symbol  = XCAR (tail);
+	    SPECBIND_FAST_UNSAFE (symbol, Flist (nargs - i, &args[i]));
+	    goto run_code;
+	  }
+	else if (EQ (symbol, Qand_optional))
+	  optional = 1;
+	else if (i == nargs && !optional)
+	  goto wrong_number_of_arguments;
+	else
+	  SPECBIND_FAST_UNSAFE (symbol, i < nargs ? args[i++] : Qnil);
+      }
+  }
 
   if (i < nargs)
     goto wrong_number_of_arguments;
@@ -636,6 +638,7 @@ execute_optimized_program (const Opbyte *program,
 	invalid_byte_code_error ("byte code stack overflow");
       if (stack_ptr < stack_beg)
 	invalid_byte_code_error ("byte code stack underflow");
+      check_opcode (opcode);
 #endif
 
 #ifdef BYTE_CODE_METER
@@ -2263,7 +2266,7 @@ Return the constants vector of the compiled-function object FUNCTION.
 }
 
 DEFUN ("compiled-function-stack-depth", Fcompiled_function_stack_depth, 1, 1, 0, /*
-Return the max stack depth of the compiled-function object FUNCTION.
+Return the maximum stack depth of the compiled-function object FUNCTION.
 */
        (function))
 {
@@ -2410,8 +2413,7 @@ syms_of_bytecode (void)
 {
   INIT_LRECORD_IMPLEMENTATION (compiled_function);
 
-  deferror (&Qinvalid_byte_code, "invalid-byte-code",
-	    "Invalid byte code", Qerror);
+  DEFERROR_STANDARD (Qinvalid_byte_code, Qinvalid_state);
   defsymbol (&Qbyte_code, "byte-code");
   defsymbol (&Qcompiled_functionp, "compiled-function-p");