Remove obsolete preparser binary.

R=danno@chromium.org

Review URL: https://codereview.chromium.org/25277003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17113 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 66fb9176
......@@ -222,8 +222,8 @@ NACL_ARCHES = nacl_ia32 nacl_x64
# List of files that trigger Makefile regeneration:
GYPFILES = build/all.gyp build/features.gypi build/standalone.gypi \
build/toolchain.gypi preparser/preparser.gyp samples/samples.gyp \
src/d8.gyp test/cctest/cctest.gyp tools/gyp/v8.gyp
build/toolchain.gypi samples/samples.gyp src/d8.gyp \
test/cctest/cctest.gyp tools/gyp/v8.gyp
# If vtunejit=on, the v8vtune.gyp will be appended.
ifeq ($(vtunejit), on)
......
......@@ -8,7 +8,6 @@
'target_name': 'All',
'type': 'none',
'dependencies': [
'../preparser/preparser.gyp:*',
'../samples/samples.gyp:*',
'../src/d8.gyp:d8',
'../test/cctest/cctest.gyp:*',
......
// Copyright 2011 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.
#ifndef PREPARSER_H
#define PREPARSER_H
#include "v8.h"
#include "v8stdint.h"
namespace v8 {
// The result of preparsing is either a stack overflow error, or an opaque
// blob of data that can be passed back into the parser.
class V8_EXPORT PreParserData {
public:
PreParserData(size_t size, const uint8_t* data)
: data_(data), size_(size) { }
// Create a PreParserData value where stack_overflow reports true.
static PreParserData StackOverflow() { return PreParserData(0, NULL); }
// Whether the pre-parser stopped due to a stack overflow.
// If this is the case, size() and data() should not be used.
bool stack_overflow() { return size_ == 0u; }
// The size of the data in bytes.
size_t size() const { return size_; }
// Pointer to the data.
const uint8_t* data() const { return data_; }
private:
const uint8_t* const data_;
const size_t size_;
};
// Interface for a stream of Unicode characters.
class V8_EXPORT UnicodeInputStream { // NOLINT - V8_EXPORT is not a class name.
public:
virtual ~UnicodeInputStream();
// Returns the next Unicode code-point in the input, or a negative value when
// there is no more input in the stream.
virtual int32_t Next() = 0;
};
// Preparse a JavaScript program. The source code is provided as a
// UnicodeInputStream. The max_stack_size limits the amount of stack
// space that the preparser is allowed to use. If the preparser uses
// more stack space than the limit provided, the result's stack_overflow()
// method will return true. Otherwise the result contains preparser
// data that can be used by the V8 parser to speed up parsing.
PreParserData V8_EXPORT Preparse(UnicodeInputStream* input,
size_t max_stack_size);
} // namespace v8.
#endif // PREPARSER_H
This diff is collapsed.
# Copyright 2011 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.
{
'variables': {
'v8_code': 1,
},
'includes': ['../build/toolchain.gypi', '../build/features.gypi'],
'targets': [
{
'target_name': 'preparser',
'type': 'executable',
'conditions': [
# preparser can't link against a shared library, so link against
# the underlying static targets.
['v8_use_snapshot=="true"', {
'dependencies': ['../tools/gyp/v8.gyp:v8_snapshot'],
}, {
'dependencies': [
'../tools/gyp/v8.gyp:v8_nosnapshot.<(v8_target_arch)',
],
}],
],
'include_dirs+': [
'../src',
],
'sources': [
'preparser-process.cc',
'../include/v8-preparser.h',
'../src/preparser-api.cc',
],
},
],
}
......@@ -1231,6 +1231,7 @@ SourceGroup::~SourceGroup() {
void SourceGroup::Execute(Isolate* isolate) {
bool exception_was_thrown = false;
for (int i = begin_offset_; i < end_offset_; ++i) {
const char* arg = argv_[i];
if (strcmp(arg, "-e") == 0 && i + 1 < end_offset_) {
......@@ -1239,7 +1240,8 @@ void SourceGroup::Execute(Isolate* isolate) {
Handle<String> file_name = String::New("unnamed");
Handle<String> source = String::New(argv_[i + 1]);
if (!Shell::ExecuteString(isolate, source, file_name, false, true)) {
Shell::Exit(1);
exception_was_thrown = true;
break;
}
++i;
} else if (arg[0] == '-') {
......@@ -1254,10 +1256,14 @@ void SourceGroup::Execute(Isolate* isolate) {
Shell::Exit(1);
}
if (!Shell::ExecuteString(isolate, source, file_name, false, true)) {
Shell::Exit(1);
exception_was_thrown = true;
break;
}
}
}
if (exception_was_thrown != Shell::options.expected_to_throw) {
Shell::Exit(1);
}
}
......@@ -1413,6 +1419,9 @@ bool Shell::SetOptions(int argc, char* argv[]) {
options.dump_heap_constants = true;
argv[i] = NULL;
#endif
} else if (strcmp(argv[i], "--throws") == 0) {
options.expected_to_throw = true;
argv[i] = NULL;
}
#ifdef V8_SHARED
else if (strcmp(argv[i], "--dump-counters") == 0) {
......
......@@ -232,6 +232,7 @@ class ShellOptions {
interactive_shell(false),
test_shell(false),
dump_heap_constants(false),
expected_to_throw(false),
num_isolates(1),
isolate_sources(NULL) { }
......@@ -256,6 +257,7 @@ class ShellOptions {
bool interactive_shell;
bool test_shell;
bool dump_heap_constants;
bool expected_to_throw;
int num_isolates;
SourceGroup* isolate_sources;
};
......
// Copyright 2011 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.
#ifdef _MSC_VER
#define V8_WIN32_LEAN_AND_MEAN
#include "win32-headers.h"
#endif
#include "../include/v8-preparser.h"
#include "globals.h"
#include "checks.h"
#include "allocation.h"
#include "utils.h"
#include "list.h"
#include "hashmap.h"
#include "preparse-data-format.h"
#include "preparse-data.h"
#include "preparser.h"
namespace v8 {
namespace internal {
// UTF16Buffer based on a v8::UnicodeInputStream.
class InputStreamUtf16Buffer : public Utf16CharacterStream {
public:
/* The InputStreamUtf16Buffer maintains an internal buffer
* that is filled in chunks from the Utf16CharacterStream.
* It also maintains unlimited pushback capability, but optimized
* for small pushbacks.
* The pushback_buffer_ pointer points to the limit of pushbacks
* in the current buffer. There is room for a few pushback'ed chars before
* the buffer containing the most recently read chunk. If this is overflowed,
* an external buffer is allocated/reused to hold further pushbacks, and
* pushback_buffer_ and buffer_cursor_/buffer_end_ now points to the
* new buffer. When this buffer is read to the end again, the cursor is
* switched back to the internal buffer
*/
explicit InputStreamUtf16Buffer(v8::UnicodeInputStream* stream)
: Utf16CharacterStream(),
stream_(stream),
pushback_buffer_(buffer_),
pushback_buffer_end_cache_(NULL),
pushback_buffer_backing_(NULL),
pushback_buffer_backing_size_(0) {
buffer_cursor_ = buffer_end_ = buffer_ + kPushBackSize;
}
virtual ~InputStreamUtf16Buffer() {
if (pushback_buffer_backing_ != NULL) {
DeleteArray(pushback_buffer_backing_);
}
}
virtual void PushBack(uc32 ch) {
ASSERT(pos_ > 0);
if (ch == kEndOfInput) {
pos_--;
return;
}
if (buffer_cursor_ <= pushback_buffer_) {
// No more room in the current buffer to do pushbacks.
if (pushback_buffer_end_cache_ == NULL) {
// We have overflowed the pushback space at the beginning of buffer_.
// Switch to using a separate allocated pushback buffer.
if (pushback_buffer_backing_ == NULL) {
// Allocate a buffer the first time we need it.
pushback_buffer_backing_ = NewArray<uc16>(kPushBackSize);
pushback_buffer_backing_size_ = kPushBackSize;
}
pushback_buffer_ = pushback_buffer_backing_;
pushback_buffer_end_cache_ = buffer_end_;
buffer_end_ = pushback_buffer_backing_ + pushback_buffer_backing_size_;
buffer_cursor_ = buffer_end_ - 1;
} else {
// Hit the bottom of the allocated pushback buffer.
// Double the buffer and continue.
uc16* new_buffer = NewArray<uc16>(pushback_buffer_backing_size_ * 2);
OS::MemCopy(new_buffer + pushback_buffer_backing_size_,
pushback_buffer_backing_,
pushback_buffer_backing_size_);
DeleteArray(pushback_buffer_backing_);
buffer_cursor_ = new_buffer + pushback_buffer_backing_size_;
pushback_buffer_backing_ = pushback_buffer_ = new_buffer;
buffer_end_ = pushback_buffer_backing_ + pushback_buffer_backing_size_;
}
}
pushback_buffer_[buffer_cursor_ - pushback_buffer_- 1] =
static_cast<uc16>(ch);
pos_--;
}
protected:
virtual bool ReadBlock() {
if (pushback_buffer_end_cache_ != NULL) {
buffer_cursor_ = buffer_;
buffer_end_ = pushback_buffer_end_cache_;
pushback_buffer_end_cache_ = NULL;
return buffer_end_ > buffer_cursor_;
}
// Copy the top of the buffer into the pushback area.
int32_t value;
uc16* buffer_start = buffer_ + kPushBackSize;
buffer_cursor_ = buffer_end_ = buffer_start;
while ((value = stream_->Next()) >= 0) {
if (value >
static_cast<int32_t>(unibrow::Utf16::kMaxNonSurrogateCharCode)) {
buffer_start[buffer_end_++ - buffer_start] =
unibrow::Utf16::LeadSurrogate(value);
buffer_start[buffer_end_++ - buffer_start] =
unibrow::Utf16::TrailSurrogate(value);
} else {
// buffer_end_ is a const pointer, but buffer_ is writable.
buffer_start[buffer_end_++ - buffer_start] = static_cast<uc16>(value);
}
// Stop one before the end of the buffer in case we get a surrogate pair.
if (buffer_end_ <= buffer_ + 1 + kPushBackSize + kBufferSize) break;
}
return buffer_end_ > buffer_start;
}
virtual unsigned SlowSeekForward(unsigned pos) {
// Seeking in the input is not used by preparsing.
// It's only used by the real parser based on preparser data.
UNIMPLEMENTED();
return 0;
}
private:
static const unsigned kBufferSize = 512;
static const unsigned kPushBackSize = 16;
v8::UnicodeInputStream* const stream_;
// Buffer holding first kPushBackSize characters of pushback buffer,
// then kBufferSize chars of read-ahead.
// The pushback buffer is only used if pushing back characters past
// the start of a block.
uc16 buffer_[kPushBackSize + kBufferSize];
// Limit of pushbacks before new allocation is necessary.
uc16* pushback_buffer_;
// Only if that pushback buffer at the start of buffer_ isn't sufficient
// is the following used.
const uc16* pushback_buffer_end_cache_;
uc16* pushback_buffer_backing_;
unsigned pushback_buffer_backing_size_;
};
} // namespace internal.
UnicodeInputStream::~UnicodeInputStream() { }
PreParserData Preparse(UnicodeInputStream* input, size_t max_stack) {
internal::InputStreamUtf16Buffer buffer(input);
uintptr_t stack_limit = reinterpret_cast<uintptr_t>(&buffer) - max_stack;
internal::UnicodeCache unicode_cache;
internal::Scanner scanner(&unicode_cache);
scanner.Initialize(&buffer);
internal::CompleteParserRecorder recorder;
preparser::PreParser preparser(&scanner, &recorder, stack_limit);
preparser.set_allow_lazy(true);
preparser::PreParser::PreParseResult result = preparser.PreParseProgram();
if (result == preparser::PreParser::kPreParseStackOverflow) {
return PreParserData::StackOverflow();
}
internal::Vector<unsigned> pre_data = recorder.ExtractData();
size_t size = pre_data.length() * sizeof(pre_data[0]);
unsigned char* data = reinterpret_cast<unsigned char*>(pre_data.start());
return PreParserData(size, data);
}
} // namespace v8.
// Copyright 2010 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 <windows.h>
#include "../include/v8-preparser.h"
extern "C" {
BOOL WINAPI DllMain(HANDLE hinstDLL,
DWORD dwReason,
LPVOID lpvReserved) {
// Do nothing.
return TRUE;
}
}
......@@ -27,6 +27,15 @@
[
[ALWAYS, {
# TODO(mstarzinger): Uhm, this is kind of embarrassing, but our parser
# does not catch some syntax errors with duplicate properties in object
# literals that our preparser actually caught. I will fix this glitch in a
# follow-up change.
'duplicate-property/*': [SKIP],
# TODO(mstarzinger): This script parses but throws a TypeError when run.
'non-alphanum': [FAIL],
# We don't parse RegExps at scanning time, so we can't fail on octal
# escapes (we need to parse to distinguish octal escapes from valid
# back-references).
......
......@@ -147,25 +147,25 @@ label_strict = StrictTemplate("label-strict-$id", """
""")
break_normal = Template("break-normal-$id", """
for (;;) {
$id: for (;false;) {
break $id;
}
""")
break_strict = StrictTemplate("break-strict-$id", """
for (;;) {
$id: for (;false;) {
break $id;
}
""")
continue_normal = Template("continue-normal-$id", """
for (;;) {
$id: for (;false;) {
continue $id;
}
""")
continue_strict = StrictTemplate("continue-strict-$id", """
for (;;) {
$id: for (;false;) {
continue $id;
}
""")
......
......@@ -39,7 +39,7 @@ class PreparserTestSuite(testsuite.TestSuite):
super(PreparserTestSuite, self).__init__(name, root)
def shell(self):
return "preparser"
return "d8"
def _GetExpectations(self):
expects_file = os.path.join(self.root, "preparser.expectation")
......@@ -64,7 +64,7 @@ class PreparserTestSuite(testsuite.TestSuite):
testname = os.path.join(filename, name)
flags = ["-e", source]
if expectation:
flags += ["throws", expectation]
flags += ["--throws"]
test = testcase.TestCase(self, testname, flags=flags)
result.append(test)
def Template(name, source):
......@@ -89,7 +89,7 @@ class PreparserTestSuite(testsuite.TestSuite):
throws = expectations.get(f, None)
flags = [f + ".js"]
if throws:
flags += ["throws", throws]
flags += ["--throws"]
test = testcase.TestCase(self, f, flags=flags)
result.append(test)
......
......@@ -88,7 +88,6 @@ function sync_dir {
echo -n "sync to $ANDROID_V8/$OUTDIR/$ARCH_MODE"
sync_file "$OUTDIR/$ARCH_MODE/cctest"
sync_file "$OUTDIR/$ARCH_MODE/d8"
sync_file "$OUTDIR/$ARCH_MODE/preparser"
echo ""
echo -n "sync to $ANDROID_V8/tools"
sync_file tools/consarray.js
......
......@@ -226,7 +226,7 @@ class CppLintProcessor(SourceFileProcessor):
or (name in CppLintProcessor.IGNORE_LINT))
def GetPathsToSearch(self):
return ['src', 'preparser', 'include', 'samples', join('test', 'cctest')]
return ['src', 'include', 'samples', join('test', 'cctest')]
def GetCpplintScript(self, prio_path):
for path in [prio_path] + os.environ["PATH"].split(os.pathsep):
......
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