#include "config.h"
#include "Parser.h"
#include "lexer.h"
#include <wtf/HashSet.h>
#include <wtf/Vector.h>
extern int kjsyyparse();
namespace KJS {
Parser::Parser()
: m_sourceId(0)
{
}
void Parser::parse(int startingLineNumber,
const UChar* code, unsigned length,
int* sourceId, int* errLine, UString* errMsg)
{
ASSERT(!m_sourceElements);
if (errLine)
*errLine = -1;
if (errMsg)
*errMsg = 0;
Lexer& lexer = KJS::lexer();
lexer.setCode(startingLineNumber, code, length);
m_sourceId++;
if (sourceId)
*sourceId = m_sourceId;
int parseError = kjsyyparse();
bool lexError = lexer.sawError();
lexer.clear();
ParserRefCounted::deleteNewObjects();
if (parseError || lexError) {
if (errLine)
*errLine = lexer.lineNo();
if (errMsg)
*errMsg = "Parse error";
m_sourceElements.clear();
}
}
void Parser::didFinishParsing(SourceElements* sourceElements, ParserRefCountedData<DeclarationStacks::VarStack>* varStack,
ParserRefCountedData<DeclarationStacks::FunctionStack>* funcStack, int lastLine)
{
m_sourceElements = sourceElements ? sourceElements : new SourceElements;
m_varDeclarations = varStack;
m_funcDeclarations = funcStack;
m_lastLine = lastLine;
}
Parser& parser()
{
ASSERT(JSLock::currentThreadIsHoldingLock());
static Parser& staticParser = *new Parser;
return staticParser;
}
}