FunctionExecutable* FunctionExecutable::fromGlobalCode(const Identifier& functionName, ExecState* exec, Debugger* debugger, const SourceCode& source, JSObject** exception)
{
JSGlobalObject* lexicalGlobalObject = exec->lexicalGlobalObject();
RefPtr<ProgramNode> program = exec->globalData().parser->parse<ProgramNode>(lexicalGlobalObject, debugger, exec, source, 0, JSParseNormal, exception);
if (!program) {
ASSERT(*exception);
return 0;
}
// Uses of this function that would not result in a single function expression are invalid.
StatementNode* exprStatement = program->singleStatement();
ASSERT(exprStatement);
ASSERT(exprStatement->isExprStatement());
ExpressionNode* funcExpr = static_cast<ExprStatementNode*>(exprStatement)->expr();
ASSERT(funcExpr);
ASSERT(funcExpr->isFuncExprNode());
FunctionBodyNode* body = static_cast<FuncExprNode*>(funcExpr)->body();
ASSERT(body);
return FunctionExecutable::create(exec->globalData(), functionName, body->source(), body->usesArguments(), body->parameters(), body->isStrictMode(), body->lineNo(), body->lastLine());
}
PassRefPtr<FunctionExecutable> FunctionExecutable::fromGlobalCode(const Identifier& functionName, ExecState* exec, Debugger* debugger, const SourceCode& source, int* errLine, UString* errMsg)
{
RefPtr<ProgramNode> program = exec->globalData().parser->parse<ProgramNode>(&exec->globalData(), debugger, exec, source, errLine, errMsg);
if (!program)
return 0;
StatementNode* exprStatement = program->singleStatement();
ASSERT(exprStatement);
ASSERT(exprStatement->isExprStatement());
if (!exprStatement || !exprStatement->isExprStatement())
return 0;
ExpressionNode* funcExpr = static_cast<ExprStatementNode*>(exprStatement)->expr();
ASSERT(funcExpr);
ASSERT(funcExpr->isFuncExprNode());
if (!funcExpr || !funcExpr->isFuncExprNode())
return 0;
FunctionBodyNode* body = static_cast<FuncExprNode*>(funcExpr)->body();
ASSERT(body);
return FunctionExecutable::create(&exec->globalData(), functionName, body->source(), body->usesArguments(), body->parameters(), body->lineNo(), body->lastLine());
}
