Parse parse tokens and return an AST.

ACTION_BRANCH branch statement.

ACTION_CALL call function.

ACTION_DEF define.

ACTION_FOR for loop.

ACTION_IF if condition.

ACTION_MAP map creation.

ACTION_MAP_ACCESS map access.

ACTION_WHILE for loop.

EXEC_FILE current file.

IDENTIFIER identifier.

LITERAL_ATOM atom literal.

LITERAL_BOOL boolean literal.

LITERAL_FLOAT float literal.

LITERAL_FN function literal.

LITERAL_INT int literal.

LITERAL_STRING string literal.

MACRO_DEF macro definition.

PARAMETERS a parameter node.

SELF current process id.

STRUCT_DEF struct definition.

Node a parser node.

NodeType a parser node-type.