Initial revision

From-SVN: r22299

1 files changed, 67 insertions, 0 deletions

diff --git a/gcc/java/java-except.h b/gcc/java/java-except.h
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+++ b/gcc/java/java-except.h
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+/* Definitions for exception handling for use by the GNU compiler
+   for the Java(TM) language compiler.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  
+
+Java and all Java-based marks are trademarks or registered trademarks
+of Sun Microsystems, Inc. in the United States and other countries.
+The Free Software Foundation is independent of Sun Microsystems, Inc.  */
+
+struct eh_range
+  {
+    /* The (byte-code PC) range of the handled block. */
+    int start_pc;
+    int end_pc;
+
+    /* A list of handlers.  For each element in the list,
+       the TREE_PURPOSE is the handled class (NULL_EXPR for a finally block),
+       and the TREE_VALUE is the LABEL_DECL of the handler. */
+    tree handlers;
+
+    /* Surrunding handler, if any. */
+    struct eh_range *outer;
+
+    /* The first child range.  It is is nested inside this range
+       (i.e. this.start_pc <= first_child.end_pc
+       && this.end_pc >= first_child.end_pc).
+       The children are linked together using next_sibling, and are sorted
+       by increasing start_pc and end_pc (we do not support non-nested
+       overlapping ranges). */
+    struct eh_range *first_child;
+
+    /* The next child of outer, in address order. */
+    struct eh_range *next_sibling;
+
+#if 0
+    /* Next handler, sorted by ascending start_pc then descending end_pc. */
+    tree next;
+#endif
+  };
+
+/* A dummy range that represents the entire method. */
+extern struct eh_range whole_range;
+
+#define NULL_EH_RANGE (&whole_range)
+
+extern struct eh_range * find_handler PROTO ((int));
+
+extern void method_init_exceptions PROTO ((void));
+
+extern void emit_handlers PROTO ((void));
+