1PER_STATEMENT(FrontendExternalFuncStmt)
2PER_STATEMENT(FrontendExprStmt)
3PER_STATEMENT(FrontendIfStmt)
4PER_STATEMENT(FrontendForStmt)
5PER_STATEMENT(FrontendPrintStmt)
6PER_STATEMENT(FrontendWhileStmt)
7PER_STATEMENT(FrontendBreakStmt)
8PER_STATEMENT(FrontendContinueStmt)
9PER_STATEMENT(FrontendAllocaStmt)
10PER_STATEMENT(FrontendAssignStmt)
11PER_STATEMENT(FrontendSNodeOpStmt) // activate, deactivate, append, clear
12PER_STATEMENT(FrontendAssertStmt)
13PER_STATEMENT(FrontendFuncDefStmt)
14PER_STATEMENT(FrontendReturnStmt)
15PER_STATEMENT(FrontendFuncCallStmt)
16