function parseGTWP($ast, $name, $header)
{
// Push LibraryManager so we can undo this waypoint's definitions.
ob_start();
LibraryManager::Push();
/*************** PROCESS AST ***************/
$attMap = ast_get($ast, NodeKey::ATT_MAP);
$payload = ast_get($ast, NodeKey::PAYLOAD);
$passthrough = parseQueryToAttributeSet(ast_get($ast, NodeKey::PASSTHROUGH));
$queries = [];
// Info to return
$res = new GenerationInfo();
foreach ($payload as $query => $qInfo) {
$gtSpec = parseGT(ast_get($qInfo, NodeKey::TYPE));
$exprs = parseNamedExpressionList(ast_get($qInfo, NodeKey::ARGS));
$output = parseAttributeList(ast_get($qInfo, NodeKey::VALUE));
$cargs = parseJsonAst(ast_get($qInfo, NodeKey::CARGS));
$sargs = parseStateList(ast_get($qInfo, NodeKey::SARGS), $query);
// Set of attributes to be copied to the output for each tuple
$pass = $passthrough[$query];
$reqStates = [];
foreach ($sargs as $val) {
$reqStates[$val->name()] = $val->type();
}
$gt = $gtSpec->apply($exprs, extractTypes($output), $reqStates);
correlateAttributes($output, $gt->output());
$info = ['gt' => $gt, 'expressions' => $exprs, 'output' => $output, 'cargs' => $cargs, 'states' => $sargs, 'pass' => $pass];
$queries[$query] = $info;
$res->addJob($query, $name);
$res->absorbInfoList($exprs);
$res->absorbAttrList($pass);
$res->absorbAttrList($output);
$res->absorbStateList($sargs);
$res->absorbInfo($gt);
}
/*************** END PROCESS AST ***************/
// Get this waypoint's headers
$myHeaders = $header . PHP_EOL . ob_get_clean();
// Only one file at the moment
$filename = $name . '.cc';
$res->addFile($filename, $name);
_startFile($filename);
GTGenerate($name, $queries, $attMap);
_endFile($filename, $myHeaders);
// Pop LibraryManager again to get rid of this waypoint's declarations
LibraryManager::Pop();
return $res;
}
