| Node Name | Node Type | # Children | Children | Parent |
| Var Decl List | NODETYPE_VAR_DECL_LIST | 0:N | Var Decl | Global, Block |
| Var Decl | NODETYPE_VAR_DECL | 3-4 | 0 = Const Value 1 = Type 2 = Id 3 = Expr | Var Decl List |
| Func Decl | NODETYPE_FUNC_DECL | 3 - 4 | 0 = Type 1 = Id 2 = Param List 3 = Block, (If an actual function is defined and not simply a declaration) | Global |
| Param List | NODETYPE_FUNC_PARAMLIST | 0-N (even) | 0 = Type 1 = Id . . . N - 1 = Type N = Id | Func Decl |
| Arg List | NODETYPE_FUNC_ARGLIST | 0-N | 0-N: Expr | Call Expr |
| Type | NODETYPE_TYPE | 1-N | 0: Type Keyword 1-N: Pointer | |
| Group Type Keyword | ||||
| Bool | NODETYPE_TYPE_BOOL, | 0 | None | Type |
| Int | NODETYPE_TYPE_INT | 0 | None | Type |
| Char | NODETYPE_TYPE_CHAR | 0 | None | Type |
| Struct | NODETYPE_TYPE_STRUCT | 1 | 0 = Id | Type |
| End Group | ||||
| Pointer | NODETYPE_TYPE_POINTER | 0 | None | Type |
| Group Const Value | ||||
| Const | NODETYPE_CONST | 0 | None | Var Decl |
| Not Const | NODETYPE_NOT_CONST | 0 | None | Var Decl |
| End Group | ||||
| Struct Def | NODETYPE_STRUCT_DEF | 1-N | 0: Id 1-N: Var Decl (No initialization allowed) | Global |
| Group Expr (Follows Precedence. All children are listed as Expr however all children must actually be of equal or greater precedence. with Id having the highest precedence.) | ||||
| Add | NODETYPE_EXPR_BINARY_ADD | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Sub | NODETYPE_EXPR_BINARY_SUB | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Mult | NODETYPE_EXPR_BINARY_MULT | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Div | NODETYPE_EXPR_BINARY_DIV | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Equal | NODETYPE_EXPR_BINARY_EQUAL | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Not Equal | NODETYPE_EXPR_BINARY_NOTEQUAL | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Greater Equal | NODETYPE_EXPR_BINARY_GREATEREQUAL | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Greater | NODETYPE_EXPR_BINARY_GREATER | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Less Equal | NODETYPE_EXPR_BINARY_LESSEQUAL | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Less | NODETYPE_EXPR_BINARY_LESS | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Logical And | NODETYPE_EXPR_BINARY_ANDAND | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Logical Or | NODETYPE_EXPR_BINARY_OROR | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Bitwise And | NODETYPE_EXPR_BINARY_AND | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Bitwise Or | NODETYPE_EXPR_BINARY_OR | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Bitwise Xor | NODETYPE_EXPR_BINARY_XOR | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Prefix ++ | NODETYPE_EXPR_PREFIX_PLUSPLUS | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Prefix -- | NODETYPE_EXPR_PREFIX_MINUSMINUS | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Negate | NODETYPE_EXPR_PREFIX_NEGATE | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Address | NODETYPE_EXPR_PREFIX_ADDRESS | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Dereference | NODETYPE_EXPR_PREFIX_DEREFERENCE | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Logical Not | NODETYPE_EXPR_PREFIX_NOTNOT | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Bitwise Not | NODETYPE_EXPR_PREFIX_NOT | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Dot | NODETYPE_EXPR_STRUCT_DOT | 2 | 0: Expr 1: Id | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Arrow | NODETYPE_EXPR_STRUCT_ARROW | 2 | 0: Expr 1: Id | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Postfix ++ | NODETYPE_EXPR_POSTFIX_PLUSPLUS | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Postfix -- | NODETYPE_EXPR_POSTFIX_MINUSMINUS | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Call | NODETYPE_EXPR_CALL | 2 | 0: ID 1: Arg List | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Cast | NODETYPE_EXPR_CAST | 2 | 0: Type 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Assign | NODETYPE_EXPR_ASSIGN | 2 | 0: Expr 1: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Pren | NODETYPE_EXPR_PREN | 1 | 0: Expr | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Id | NODETYPE_ID | 0 | None | Expr, Block, Arg List, If Else, For, Return, Var Decl, Struct, Struct Def, Func Decl, Param List, |
| Integer | NODETYPE_CONSTANT_INTEGER | 0 | None | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| String | NODETYPE_CONSTANT_STRING | 0 | None | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Character | NODETYPE_CONSTANT_CHARACTER | 0 | None | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| True | NODETYPE_CONSTANT_TRUE | 0 | None | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| False | NODETYPE_CONSTANT_FALSE | 0 | None | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| Null | NODETYPE_CONSTANT_NULL | 0 | None | Expr, Block, Arg List, If Else, For, Return, Var Decl |
| End Group | ||||
| Global | NODETYPE_GLOBAL | 0-N | 0-N: Struct Def, Func Decl, Var Decl List | None |
| Block | NODETYPE_BLOCK | 0-N | 0-N: Continue, Break, For, If Else, Var Decl List, Expr | Func Decl (if it declares a function), If Else, For |
| Break | NODETYPE_BREAK | 0 | None | Block |
| Continue | NODETYPE_CONTINUE | 0 | None | Block |
| Return | NODETYPE_RETURN | 1 | 0: Expr | Block |
| Error | NODETYPE_ERR | 0 | None | Any. Is placed in the tree when an error has occurred. |
| If Else | NODETYPE_CONTROL_IF_ELSE, | 2-3 | 0 = Expr (Condition) 1 = Block (If Body) 2 = Block, (Else Body, if it is present) | Block |
| For | NODETYPE_CONTROL_FOR | 4 | 0-2: Expr (Loop conditions should be replaced with a dummy Expr if Expr is empty) 3: Block (Body) | Block |