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Optimize parser to skip the scanning of the whole function (#475)

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* parsing of function including parameter list and function body is skipped in scanner mode
* m_bodySrc in InterpretedCodeBlock is removed because it is no longer necessary
* some operator overloading in FreeableNode and DestructibleNode is fixed

Signed-off-by: HyukWoo Park <hyukwoo.park@samsung.com>
This commit is contained in:
Hyukwoo Park 2019-10-23 19:40:26 +09:00 • committed by Boram Bae
commit bb7c12cfd5
10 changed files with 265 additions and 238 deletions
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5
src/parser/ScriptParser.cpp
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@ -49,7 +49,6 @@ InterpretedCodeBlock* ScriptParser::generateCodeBlockTreeFromASTWalker(Context*
isEvalCodeInFunction = false;
#ifndef NDEBUG
codeBlock->m_bodyStartLOC = scopeCtx->m_bodyStartLOC;
codeBlock->m_bodyEndLOC = scopeCtx->m_bodyEndLOC;
codeBlock->m_scopeContext = scopeCtx;
#endif
@ -314,8 +313,8 @@ void ScriptParser::dumpCodeBlockTree(InterpretedCodeBlock* topCodeBlock)
PRINT_TAB()
printf("CodeBlock %p %s %s (%d:%d -> %d:%d, block %d)(%s, %s) (E:%d, W:%d, Y:%d, A:%d)\n", cb, cb->m_functionName.string()->toUTF8StringData().data(),
cb->m_isStrict ? "Strict" : "",
(int)cb->m_bodyStartLOC.line,
(int)cb->m_bodyStartLOC.column,
(int)cb->m_sourceElementStart.line,
(int)cb->m_sourceElementStart.column,
(int)cb->m_bodyEndLOC.line,
(int)cb->m_bodyEndLOC.column,
(int)cb->lexicalBlockIndexFunctionLocatedIn(),