summaryrefslogtreecommitdiff
path: root/deps/v8/src/func-name-inferrer.cc
diff options
context:
space:
mode:
authorRyan <ry@tinyclouds.org>2009-04-22 19:35:47 +0200
committerRyan <ry@tinyclouds.org>2009-04-22 19:35:47 +0200
commit40c0f755c998d2615fe8466aab20c6d81bd463e7 (patch)
tree51fcb08ba1bd3f745ceb43fd5f814a5700079881 /deps/v8/src/func-name-inferrer.cc
parenta93cf503073ba0258c55dec4dc325bdc1509b739 (diff)
downloadnode-new-40c0f755c998d2615fe8466aab20c6d81bd463e7.tar.gz
import full versions of dependency libraries!
Diffstat (limited to 'deps/v8/src/func-name-inferrer.cc')
-rw-r--r--deps/v8/src/func-name-inferrer.cc74
1 files changed, 74 insertions, 0 deletions
diff --git a/deps/v8/src/func-name-inferrer.cc b/deps/v8/src/func-name-inferrer.cc
new file mode 100644
index 0000000000..ef0c7dbb4e
--- /dev/null
+++ b/deps/v8/src/func-name-inferrer.cc
@@ -0,0 +1,74 @@
+// Copyright 2009 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "v8.h"
+
+#include "ast.h"
+#include "func-name-inferrer.h"
+
+namespace v8 { namespace internal {
+
+
+void FuncNameInferrer::PushEnclosingName(Handle<String> name) {
+ // Enclosing name is a name of a constructor function. To check
+ // that it is really a constructor, we check that it is not empty
+ // and starts with a capital letter.
+ if (name->length() > 0 && Runtime::IsUpperCaseChar(name->Get(0))) {
+ names_stack_.Add(name);
+ }
+}
+
+
+Handle<String> FuncNameInferrer::MakeNameFromStack() {
+ if (names_stack_.is_empty()) {
+ return Factory::empty_string();
+ } else {
+ return MakeNameFromStackHelper(1, names_stack_.at(0));
+ }
+}
+
+
+Handle<String> FuncNameInferrer::MakeNameFromStackHelper(int pos,
+ Handle<String> prev) {
+ if (pos >= names_stack_.length()) {
+ return prev;
+ } else {
+ Handle<String> curr = Factory::NewConsString(dot_, names_stack_.at(pos));
+ return MakeNameFromStackHelper(pos + 1, Factory::NewConsString(prev, curr));
+ }
+}
+
+
+void FuncNameInferrer::MaybeInferFunctionName() {
+ if (func_to_infer_ != NULL) {
+ func_to_infer_->set_inferred_name(MakeNameFromStack());
+ func_to_infer_ = NULL;
+ }
+}
+
+
+} } // namespace v8::internal