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re-implement arguments object binding

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Signed-off-by: seonghyun kim <sh8281.kim@samsung.com>
This commit is contained in:
seonghyun kim 2017-01-02 16:08:36 +09:00
commit a85ee09334
10 changed files with 92 additions and 27 deletions
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18
src/parser/ScriptParser.cpp
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@ -56,10 +56,22 @@ CodeBlock* ScriptParser::generateCodeBlockTreeFromASTWalker(Context* ctx, String
for (size_t i = 0; i < scopeCtx->m_usingNames.size(); i++) {
AtomicString uname = scopeCtx->m_usingNames[i];
if (uname == arguments) {
codeBlock->m_usesArgumentsObject = true;
if (!codeBlock->hasName(arguments)) {
codeBlock->m_usesArgumentsObject = true;
continue;
CodeBlock::IdentifierInfo info;
info.m_indexForIndexedStorage = SIZE_MAX;
info.m_name = arguments;
info.m_needToAllocateOnStack = false;
codeBlock->m_identifierInfos.pushBack(info);
} else {
codeBlock->m_hasArgumentsBinding = true;
}
CodeBlock* b = codeBlock;
while (b) {
b->notifySelfOrChildHasEvalWithCatchYield();
b = b->parentCodeBlock();
}
continue;
}
if (!codeBlock->hasName(uname)) {
CodeBlock* c = codeBlock->parentCodeBlock();
@ -72,7 +84,7 @@ CodeBlock* ScriptParser::generateCodeBlockTreeFromASTWalker(Context* ctx, String
}
}
}
// FIXME: modify efficiently if possible. consider 10.4.3-1-102-s
if (hasCapturedIdentifier) {
CodeBlock* c = codeBlock->parentCodeBlock();
while (c && c->m_canAllocateEnvironmentOnStack) {