Data Structures

Here are the data structures with brief descriptions:

Cast_assignment	Top level descriptor for an assignment
Cast_block_item_declaration	Describes the declaration of a block item
Cast_block_reg_declaration	Describes the declaration of a set of registers within a block
Cast_case_item	Describes a single exeuctable item in a case statement
Cast_case_statement	Describes the top level of a case statement in terms of its items
Cast_cmos_switch_instance	A single CMOS switch (transistor) instance
Cast_concatenation	Fully describes a concatenation in terms of type and data
Cast_conditional_statement	Describes a single if-then-do statement
Cast_config_declaration	Describes a single config declaration in it's entirety
Cast_config_rule_statement	Fully describes a config rule statemnet. See Annex 1.2
Cast_continuous_assignment	Describes a set of assignments with the same drive strength and delay
Cast_delay2	Describes a 2 point delay distribution
Cast_delay3	Describes a 3 point delay distribution
Cast_delay_ctrl	Describes a single delay control statement
Cast_delay_value	Describes the type and value of a delay specifier
Cast_disable_statement	Contains the identifier from a disable statement
Cast_edge_sensitive_full_path_declaration	Describes a parallel edge sensitive path declaration
Cast_edge_sensitive_parallel_path_declaration	Describes a single edge sensitive path declaration
Cast_enable_gate_instance	A single enable gate
Cast_enable_gate_instances	A collection of enable gates with the same type and delay properties
Cast_event_control	Describes the type of event triggers
Cast_event_expression	Describes a single event expression
Cast_expression	Storage type for an entire expression / subexpression tree
Cast_function_call	Describes a single call to a function, constant function, or system fucntion
Cast_function_declaration	Fully describes the declaration of a verilog function
Cast_function_item_declaration	Describes a function item declaration, which is either a block item or port declaration
Cast_gate_instantiation	Fully describes the instantiation of one or more gate level primitives
Cast_generate_block	Simple wrapper and placeholder for generate associated meta-data
Cast_hashtable	A hash table object
Cast_hashtable_element	A single element in the hash table
Cast_hybrid_assignment	Caters for procedural_continuous_assignments in Annex A.6.2 of spec
Cast_identifier	Structure containing all information on an identifier
Cast_if_else	Describes a complete set of if-elseif-else statements
Cast_library_declaration	Describes a library declaration of file and include paths
Cast_library_descriptions	Super structure for different library construct types
Cast_list	Container struct for the linked list data structure
Cast_list_element	Storage container for a single element in the linked list
Cast_loop_statement	Fully describes a single loop statement
Cast_lvalue	Stores and describes an expression l value
Cast_lvalue_data	Storage for the data describing an assignment L Value
Cast_memory	Stores information on some allocated memory as a linked list
Cast_metadata	Stores "meta" information and other tagging stuff about nodes
Cast_module_declaration	Fully describes a single module declaration in terms of parameters ports and internal constructs
Cast_module_instance	A single instance of a defined module
Cast_module_instantiation	Describes the instantiation of one or more modules of the same type with the same parameters
Cast_module_item	Describes a single module item, its type and data structure
Cast_mos_switch_instance	A single MOS switch (transistor) instance
Cast_n_input_gate_instance	An N-input gate instance. e.g. 3-to-1 NAND
Cast_n_input_gate_instances	A collection of n-input gates with the same type and delay properties
Cast_n_output_gate_instance	Describes a single gate with one input and several outputs
Cast_n_output_gate_instances
Cast_net_declaration	Describes a single net declaration
Cast_node_attributes	Node data describing an attribute
Cast_node	Node type that forms the tree
Cast_number	Stores the base, value and width (in bits) of a number
Cast_parameter_declarations	Stores the type and characteristics of one or more parameter declarations
Cast_pass_enable_switch	A single pass enable switch with pass and enable terminals
Cast_pass_enable_switches	Describes a collection of pass enable switches withe the same type and delay characteristics
Cast_pass_switch_instance	A single pass transistor instance
Cast_path_declaration	Struct which holds the type and data of a path declaration
Cast_port_connection	Decribes a single port connection in a module instance
Cast_port_declaration	Fully describes a single port declaration
Cast_primary	Stores the type and value of an AST primary expression
Cast_primary_value	The expression primary can produce several different sub-expressions:
Cast_primitive_pull_strength	Describes the pull strength and direction of a primitive
Cast_procedural_assignment	Describes a procedural assignment, can be blocking or nonblocking
Cast_pull_gate_instance	Describes a single pull gate instance
Cast_pull_strength	Fully describes the pull's of a net going up and down
Cast_pulse_control_specparam	Describes the pulse characteristics in signal transmission?
Cast_range_or_type	Holds either a range or a type data item
Cast_range	Describes a range or dimension
Cast_reg_declaration	Describes a single reg declaration
Cast_simple_full_path_declaration	Describes the declaration of a path
Cast_simple_parallel_path_declaration	Describes the declaration of a path
Cast_single_assignment	Encodes a single assignment
Cast_source_item	Contains a source item and it's type
Cast_stack	A very simple stack
Cast_stack_element	Storage container for a single element in the stack
Cast_statement_block	Fully describes a single block of statements
Cast_statement	Describes a single statement, and can contain sequential statement blocks
Cast_switch_gate	Describes a single gate type along with it's delay properties
Cast_switches	A collection of CMOS, MOS or PASS switches of the same type
Cast_task_declaration	Creates and returns a new task declaration statement
Cast_task_enable_statement	Fully describes a task enable statement
Cast_task_port
Cast_timing_control_statement	Describes a single procedural timing control statement
Cast_type_declaration	Fully describes the declaration of elements one might find inside a module
Cast_udp_body	Describes a single UDP body sequentially or combinatorially
Cast_udp_combinatorial_entry	Describes a single combinatorial entry in the UDP ast tree
Cast_udp_declaration	Describes the declaration of a user defined primitive (UDP)
Cast_udp_initial_statement	Describes the initial statement of a sequential udp body
Cast_udp_instance	Describes a single instance of a UDP
Cast_udp_instantiation	Describes an a list of instances of a particular kind of UDP
Cast_udp_port	Describes a single port for a user defined primitive
Cast_udp_sequential_entry	Describes a sequential entry in a udp body
Cast_var_declaration	Describes a simple set of declarations of a particular type
Cast_wait_statement	Describes a single wait statement
Cverilog_default_net_type	Keeps track of the points at which default net type directives are encountered
Cverilog_include_directive	Stores information on an include directive
Cverilog_line_directive	Describes a line directive
Cverilog_macro_directive	A simple container for macro directives
Cverilog_preprocessor_conditional_context	Stores information regarding a particular level of conditional compilation
Cverilog_preprocessor_context
Cverilog_source_tree	Top level container for parsed source code
Cverilog_timescale_directive	Describes a simulation timescale directive