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verilog-ext-font-lock.el
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verilog-ext-font-lock.el
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;;; verilog-ext-font-lock.el --- Verilog-ext Font-lock setup -*- lexical-binding: t -*-
;; Copyright (C) 2022-2024 Gonzalo Larumbe
;; Author: Gonzalo Larumbe <[email protected]>
;; URL: https://github.com/gmlarumbe/verilog-ext
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Improved syntax highlighting based on `font-lock' keywords overriding.
;;
;; Multiline Font Locking has reliability limitations in Emacs.
;; - https://www.gnu.org/software/emacs/manual/html_node/elisp/Multiline-Font-Lock.html
;; - https://www.gnu.org/software/emacs/manual/html_node/elisp/Font-Lock-Multiline.html
;;
;; One way to ensure reliable rehighlighting of multiline font-lock constructs
;; is by using the `font-lock-multiline' text property.
;; - The `font-lock-multiline' variable might seem to be working but is not reliable.
;; - Using the `font-lock-multiline' property might apply to a few lines (such is the case).
;; For longer sections it is necessary to create font lock custom functions and gets
;; more complicated.
;;
;; Search based fontification:
;; - https://www.gnu.org/software/emacs/manual/html_node/elisp/Search_002dbased-Fontification.html
;;; Code:
(require 'verilog-ext-nav)
;;; Faces
(defgroup verilog-ext-font-lock nil
"Verilog-ext faces."
:group 'verilog-ext)
(defvar verilog-ext-font-lock-grouping-keywords-face 'verilog-ext-font-lock-grouping-keywords-face)
(defface verilog-ext-font-lock-grouping-keywords-face
'((t (:inherit font-lock-misc-punctuation-face)))
"Face for grouping keywords: begin, end."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-punctuation-face 'verilog-ext-font-lock-punctuation-face)
(defface verilog-ext-font-lock-punctuation-face
'((t (:inherit font-lock-punctuation-face)))
"Face for punctuation symbols, e.g:
!,;:?'=<>*"
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-operator-face 'verilog-ext-font-lock-operator-face)
(defface verilog-ext-font-lock-operator-face
'((t (:inherit font-lock-operator-face)))
"Face for operator symbols, such as &^~+-/|."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-brackets-face 'verilog-ext-font-lock-brackets-face)
(defface verilog-ext-font-lock-brackets-face
'((t (:inherit font-lock-bracket-face)))
"Face for brackets []."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-parenthesis-face 'verilog-ext-font-lock-parenthesis-face)
(defface verilog-ext-font-lock-parenthesis-face
'((t (:inherit font-lock-bracket-face)))
"Face for parenthesis ()."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-curly-braces-face 'verilog-ext-font-lock-curly-braces-face)
(defface verilog-ext-font-lock-curly-braces-face
'((t (:inherit font-lock-bracket-face)))
"Face for curly braces {}."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-port-connection-face 'verilog-ext-font-lock-port-connection-face)
(defface verilog-ext-font-lock-port-connection-face
'((t (:inherit font-lock-constant-face)))
"Face for port connections of instances.
.portA (signalA),
.portB (signalB)
);"
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-dot-name-face 'verilog-ext-font-lock-dot-name-face)
(defface verilog-ext-font-lock-dot-name-face
'((t (:inherit font-lock-property-name-face)))
"Face for dot-name regexps:
- Interface signals, classes attributes/methods and hierarchical refs.
axi_if.Ready <= 1'b1;
obj.method();"
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-brackets-content-face 'verilog-ext-font-lock-brackets-content-face)
(defface verilog-ext-font-lock-brackets-content-face
'((t (:inherit font-lock-number-face)))
"Face for content between brackets: arrays, bit vector width and indexing."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-width-num-face 'verilog-ext-font-lock-width-num-face)
(defface verilog-ext-font-lock-width-num-face
'((t (:inherit font-lock-number-face)))
"Face for the bit width number expressions.
{1}'b1,
{4}'hF,
{3}'o7,"
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-width-type-face 'verilog-ext-font-lock-width-type-face)
(defface verilog-ext-font-lock-width-type-face
'((t (:inherit font-lock-builtin-face)))
"Face for the bit width type expressions.
1'{b}1,
4'{h}F,
3'{o}7,"
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-module-face 'verilog-ext-font-lock-module-face)
(defface verilog-ext-font-lock-module-face
'((t (:inherit font-lock-function-call-face)))
"Face for module names."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-instance-face 'verilog-ext-font-lock-instance-face)
(defface verilog-ext-font-lock-instance-face
'((t (:inherit font-lock-variable-use-face)))
"Face for instance names."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-time-event-face 'verilog-ext-font-lock-time-event-face)
(defface verilog-ext-font-lock-time-event-face
'((t (:inherit font-lock-property-name-face)))
"Face for time-events: @ and #."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-time-unit-face 'verilog-ext-font-lock-time-unit-face)
(defface verilog-ext-font-lock-time-unit-face
'((t (:inherit font-lock-property-use-face)))
"Face for time-units: ms, us, ns, ps, fs (delays and timescale/timeprecision)."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-preprocessor-face 'verilog-ext-font-lock-preprocessor-face)
(defface verilog-ext-font-lock-preprocessor-face
'((t (:inherit font-lock-preprocessor-face)))
"Face for preprocessor compiler directives (`include, `define, UVM macros...)."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-modport-face 'verilog-ext-font-lock-modport-face)
(defface verilog-ext-font-lock-modport-face
'((t (:inherit font-lock-type-face)))
"Face for interface modports."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-direction-face 'verilog-ext-font-lock-direction-face)
(defface verilog-ext-font-lock-direction-face
'((t (:inherit font-lock-keyword-face)))
"Face for direction of ports/functions/tasks args."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-typedef-face 'verilog-ext-font-lock-typedef-face)
(defface verilog-ext-font-lock-typedef-face
'((t (:inherit font-lock-type-face)))
"Face for user defined types."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-translate-off-face 'verilog-ext-font-lock-translate-off-face)
(defface verilog-ext-font-lock-translate-off-face
'((t (:slant italic)))
"Face for pragmas between comments, e.g:
* translate_off / * translate_on"
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-uvm-classes-face 'verilog-ext-font-lock-uvm-classes-face)
(defface verilog-ext-font-lock-uvm-classes-face
'((t (:inherit font-lock-type-face)))
"Face for UVM classes."
:group 'verilog-ext-font-lock)
(defvar verilog-ext-font-lock-xilinx-attributes-face 'verilog-ext-font-lock-xilinx-attributes-face)
(defface verilog-ext-font-lock-xilinx-attributes-face
'((t (:inherit font-lock-property-name-face)))
"Face for Xilinx Vivado RTL synthesis attributes."
:group 'verilog-ext-font-lock)
;;; Regexps
(defconst verilog-ext-font-lock-parenthesis-re "[()]")
(defconst verilog-ext-font-lock-curly-braces-re "[{}]")
(defconst verilog-ext-font-lock-brackets-re "\\(\\[\\|\\]\\)")
(defconst verilog-ext-font-lock-punctuation-re "\\([!,;:?'=<>]\\|\\*\\)")
(defconst verilog-ext-font-lock-operator-re "\\([&^~%\+-]\\||\\|\\.\\|\\/\\)")
(defconst verilog-ext-font-lock-system-task-re (concat "\\$" verilog-identifier-re))
(defconst verilog-ext-font-lock-port-connection-re (concat "^[[:blank:]]*\\.\\(" verilog-identifier-re "\\)"))
(defconst verilog-ext-font-lock-dot-name-re (concat "\\(" verilog-identifier-re "\\)\\.\\(" verilog-identifier-re "\\)"))
(defconst verilog-ext-font-lock-brackets-content-re "\\[\\(?1:[ +'\*/()$0-9a-zA-Z:_-]*\\)\\]")
(defconst verilog-ext-font-lock-width-signal-re "\\(?1:[0-9]*\\)'[sS]?\\(?2:[hHdDxXbBoO]\\)\\(?3:[0-9a-fA-F_xzXZ]+\\)")
(defconst verilog-ext-font-lock-time-event-re "\\([@#]\\)")
(defconst verilog-ext-font-lock-time-unit-re "[0-9]+\\(\\.[0-9]+\\)?\\(?2:[umnpf]s\\)")
(defconst verilog-ext-font-lock-interface-modport-re (concat "\\(?1:^\\s-*\\(?2:" verilog-identifier-re "\\)\\.\\(?3:" verilog-identifier-re "\\)\\s-+\\)"))
(defconst verilog-ext-font-lock-type-font-keywords
(eval-when-compile
(verilog-regexp-words
'("and" "buf" "bufif0" "bufif1" "cmos" "defparam" "event" "genvar" "highz0"
"highz1" "integer" "localparam" "mailbox" "nand" "nmos" "nor" "not" "notif0"
"notif1" "or" "parameter" "pmos" "pull0" "pull1" "pulldown" "pullup" "rcmos"
"real" "realtime" "reg" "rnmos" "specparam" "strong0" "strong1" "supply"
"supply0" "supply1" "time" "tran" "tranif0" "tranif1" "tri" "tri0" "tri1"
"triand" "trior" "trireg" "unsigned" "uwire" "vectored" "wand" "weak0"
"weak1" "wire" "wor" "xnor" "xor" "signed"
;; 1800-2005
"bit" "byte" "chandle" "int" "logic" "longint" "packed" "shortint"
"shortreal" "string" "type" "union" "var"
;; 1800-2009
;; 1800-2012
"interconnect" "nettype"))))
(defconst verilog-ext-font-lock-direction-keywords
(eval-when-compile
(verilog-regexp-words
'("inout" "input" "output" "ref"))))
(defconst verilog-ext-font-lock-general-keywords
(eval-when-compile
(verilog-regexp-opt
'("always" "assign" "automatic" "case" "casex" "casez" "cell" "config"
"deassign" "default" "design" "disable" "edge" "else" "endcase" "endconfig"
"endfunction" "endgenerate" "endmodule" "endprimitive" "endspecify"
"endtable" "endtask" "for" "force" "forever" "fork" "function" "generate"
"if" "ifnone" "incdir" "include" "initial" "instance" "join" "large"
"liblist" "library" "macromodule" "medium" "module" "negedge"
"noshowcancelled" "posedge" "primitive" "pulsestyle_ondetect"
"pulsestyle_onevent" "release" "repeat" "scalared" "showcancelled" "small"
"specify" "strength" "table" "task" "use" "wait" "while"
;; 1800-2005
"alias" "always_comb" "always_ff" "always_latch" "assert" "assume"
"analog" "before" "bind" "bins" "binsof" "break" "class" "clocking"
"constraint" "context" "continue" "cover" "covergroup" "coverpoint"
"cross" "dist" "do" "endclass" "endclocking" "endgroup" "endinterface"
"endpackage" "endprogram" "endproperty" "endsequence" "expect" "export"
"extends" "extern" "final" "first_match" "foreach" "forkjoin" "iff"
"ignore_bins" "illegal_bins" "import" "inside" "interface" "intersect"
"join_any" "join_none" "local" "matches" "modport" "new" "null" "package"
"priority" "program" "property" "protected" "pure" "rand" "randc"
"randcase" "randsequence" "return" "sequence" "solve" "static" "super"
"tagged" "this" "throughout" "timeprecision" "timeunit" "typedef"
"unique" "virtual" "void" "wait_order" "wildcard" "with" "within" "const"
"enum" "struct"
;; 1800-2009
"accept_on" "checker" "endchecker" "eventually" "global" "implies" "let"
"nexttime" "reject_on" "restrict" "s_always" "s_eventually" "s_nexttime"
"s_until" "s_until_with" "strong" "sync_accept_on" "sync_reject_on"
"unique0" "until" "until_with" "untyped" "weak"
;; 1800-2012
"implements" "soft"))))
(defconst verilog-ext-font-lock-grouping-plus-this-keywords
(eval-when-compile
(verilog-regexp-words
'("begin" "end" "this"))))
;; Once UVM dir has been set, obtained through:
;; (verilog-ext-typedef-batch-update (verilog-ext-dir-files "/home/user/UVM/src/"))
;; And check value of: `verilog-ext-typedef-align-words'
(defconst verilog-ext-font-lock-uvm-classes
(eval-when-compile
(verilog-regexp-words
'("uvm_tlm_nb_initiator_socket_base" "uvm_tlm_b_initiator_socket_base"
"uvm_tlm_nb_passthrough_target_socket"
"uvm_tlm_nb_passthrough_initiator_socket"
"uvm_tlm_b_passthrough_target_socket"
"uvm_tlm_b_passthrough_initiator_socket" "uvm_tlm_nb_target_socket"
"uvm_tlm_nb_initiator_socket" "uvm_tlm_b_target_socket"
"uvm_tlm_b_initiator_socket" "uvm_tlm_nb_target_socket_base"
"uvm_tlm_nb_passthrough_target_socket_base"
"uvm_tlm_nb_passthrough_initiator_socket_base"
"uvm_tlm_b_target_socket_base" "uvm_tlm_b_passthrough_target_socket_base"
"uvm_tlm_b_passthrough_initiator_socket_base"
"uvm_tlm_nb_transport_bw_port" "uvm_tlm_nb_transport_fw_port"
"uvm_tlm_b_transport_port" "uvm_tlm_nb_transport_bw_imp"
"uvm_tlm_nb_transport_fw_imp" "uvm_tlm_b_transport_imp" "uvm_time"
"uvm_tlm_if" "uvm_tlm_time" "uvm_tlm_extension" "uvm_tlm_generic_payload"
"uvm_tlm_extension_base" "uvm_tlm_response_status_e" "uvm_tlm_command_e"
"uvm_tlm_nb_transport_bw_export" "uvm_tlm_nb_transport_fw_export"
"uvm_tlm_b_transport_export" "uvm_tlm_transport_channel"
"uvm_tlm_req_rsp_channel" "uvm_tlm_event" "uvm_tlm_fifo_base"
"uvm_sqr_if_base" "uvm_seq_item_pull_export" "uvm_transport_port"
"uvm_nonblocking_transport_port" "uvm_blocking_transport_port"
"uvm_slave_port" "uvm_nonblocking_slave_port" "uvm_blocking_slave_port"
"uvm_master_port" "uvm_nonblocking_master_port"
"uvm_blocking_master_port" "uvm_get_peek_port"
"uvm_nonblocking_get_peek_port" "uvm_blocking_get_peek_port"
"uvm_peek_port" "uvm_nonblocking_peek_port" "uvm_blocking_peek_port"
"uvm_get_port" "uvm_nonblocking_get_port" "uvm_blocking_get_port"
"uvm_put_port" "uvm_nonblocking_put_port" "uvm_transport_export"
"uvm_nonblocking_transport_export" "uvm_blocking_transport_export"
"uvm_slave_export" "uvm_nonblocking_slave_export"
"uvm_blocking_slave_export" "uvm_master_export"
"uvm_nonblocking_master_export" "uvm_blocking_master_export"
"uvm_get_peek_export" "uvm_nonblocking_get_peek_export"
"uvm_blocking_get_peek_export" "uvm_peek_export"
"uvm_nonblocking_peek_export" "uvm_blocking_peek_export" "uvm_get_export"
"uvm_nonblocking_get_export" "uvm_blocking_get_export" "uvm_put_export"
"uvm_nonblocking_put_export" "uvm_blocking_put_export" "uvm_tlm_if_base"
"rsp_type" "req_type" "uvm_tlm_fifo" "uvm_config_seq" "seq_req_t"
"m_uvm_sqr_seq_base" "uvm_sequence_process_wrapper"
"uvm_sequencer_analysis_fifo" "uvm_virtual_sequencer"
"uvm_sequence_request" "uvm_seq_item_pull_imp" "uvm_sequence_library_cfg"
"uvm_sequence_library" "uvm_sequence_lib_mode" "sequencer_t"
"uvm_default_sequencer_param_type" "uvm_default_driver_type"
"uvm_default_sequencer_type" "uvm_default_sequence_type"
"uvm_sequencer_param_base" "uvm_sequence" "uvm_push_sequencer"
"uvm_vreg_field_cb" "uvm_vreg_field_cbs" "uvm_vreg_cb" "uvm_vreg_cbs"
"uvm_vreg_field_cb_iter" "uvm_vreg_cb_iter" "seq_parent_e"
"uvm_sequencer" "uvm_reg_predictor" "uvm_predict_s" "uvm_path_e"
"uvm_reg_cvr_rsrc_db" "uvm_reg_sequence" "bit_q_t" "uvm_reg_data_logic_t"
"uvm_reg_seq_base" "uvm_reg_transaction_order_policy"
"uvm_reg_map_addr_range" "uvm_access_e" "uvm_elem_kind_e"
"uvm_reg_indirect_data" "uvm_reg_indirect_ftdr_seq" "uvm_reg_fifo"
"uvm_reg_byte_en_t" "uvm_reg_field_cb" "uvm_mem_cb" "uvm_reg_bd_cb_iter"
"uvm_reg_bd_cb" "uvm_reg_cb" "uvm_predict_e" "uvm_reg_write_only_cbs"
"uvm_reg_read_only_cbs" "uvm_hier_e" "uvm_reg_tlm_adapter"
"uvm_reg_adapter" "uvm_reg_bus_op" "uvm_tlm_gp" "uvm_reg_cbs"
"uvm_reg_field_cb_iter" "uvm_reg_cb_iter" "uvm_reg_file"
"uvm_reg_err_service" "locality_e" "alloc_mode_e" "uvm_mem_region"
"uvm_mem_mam_policy" "uvm_reg_cvr_t" "uvm_hdl_path_slice" "uvm_door_e"
"uvm_endianness_e" "uvm_reg_frontdoor" "uvm_mem_cb_iter" "uvm_reg_item"
"uvm_reg_addr_t" "uvm_vreg_field" "uvm_vreg" "uvm_reg_map_info"
"uvm_mem_mam_cfg" "uvm_mem_mam" "uvm_reg_backdoor"
"uvm_mem_shared_access_seq" "uvm_reg_shared_access_seq"
"uvm_reg_mem_hdl_paths_seq" "uvm_hdl_path_concat"
"uvm_reg_mem_built_in_seq" "uvm_reg_mem_shared_access_seq"
"uvm_reg_hw_reset_seq" "uvm_check_e" "uvm_reg_bit_bash_seq"
"uvm_reg_single_bit_bash_seq" "uvm_reg_mem_access_seq"
"uvm_reg_access_seq" "uvm_reg_single_access_seq" "uvm_reg_field"
"uvm_reg" "uvm_mem_walk_seq" "uvm_mem_single_walk_seq"
"uvm_mem_access_seq" "uvm_reg_data_t" "uvm_reg_block"
"uvm_mem_single_access_seq" "uvm_status_e" "uvm_reg_map"
"uvm_reg_randval" "uvm_mem" "this_rsp_type" "this_req_type"
"this_imp_type" "uvm_transport_imp" "uvm_nonblocking_transport_imp"
"uvm_blocking_transport_imp" "uvm_slave_imp" "uvm_nonblocking_slave_imp"
"uvm_blocking_slave_imp" "uvm_master_imp" "uvm_nonblocking_master_imp"
"uvm_blocking_master_imp" "uvm_get_peek_imp"
"uvm_nonblocking_get_peek_imp" "uvm_blocking_get_peek_imp" "uvm_peek_imp"
"uvm_nonblocking_peek_imp" "uvm_blocking_peek_imp" "uvm_get_imp"
"uvm_nonblocking_get_imp" "uvm_blocking_get_imp" "uvm_put_imp"
"uvm_nonblocking_put_imp" "uvm_blocking_put_imp" "__tmp_int_t__" "_phase"
"uvm_hdl_data_t" "__local_type__" "uvm_set_get_dap_base"
"uvm_get_to_lock_dap" "uvm_test" "uvm_subscriber" "uvm_scoreboard"
"uvm_blocking_put_port" "uvm_random_stimulus" "uvm_push_driver"
"uvm_class_clone" "uvm_class_converter" "uvm_class_comp"
"uvm_built_in_clone" "uvm_built_in_converter" "uvm_built_in_comp"
"uvm_built_in_pair" "uvm_class_pair" "uvm_monitor"
"uvm_in_order_built_in_comparator" "pair_type" "uvm_tlm_analysis_fifo"
"uvm_in_order_comparator" "uvm_driver" "uvm_analysis_port"
"uvm_seq_item_pull_port" "uvm_in_order_class_comparator"
"uvm_analysis_export" "uvm_analysis_imp" "uvm_algorithmic_comparator"
"uvm_agent" "uvm_active_passive_enum" "uvm_by_level_visitor_adapter"
"uvm_bottom_up_visitor_adapter" "uvm_visitor_adapter"
"uvm_structure_proxy#(STRUCTURE)" "uvm_transaction" "m_uvm_tr_stream_cfg"
"uvm_topdown_phase" "uvm_simple_lock_dap" "tab_t" "uvm_spell_chkr"
"uvm_run_test_callback" "uvm_top_down_visitor_adapter"
"uvm_component_proxy" "uvm_byte_rsrc" "uvm_bit_rsrc" "uvm_obj_rsrc"
"uvm_string_rsrc" "uvm_int_rsrc" "this_subtype" "get_t" "table_q_t"
"uvm_resource_db_options" "uvm_resource_db_default_implementation_t"
"uvm_resource_db" "uvm_resource_db_implementation_t" "rsrc_shared_q_t"
"rsrc_sv_q_t" "override_t" "uvm_resource_options" "uvm_resource_types"
"uvm_resource_debug" "access_t" "uvm_env" "queue_of_element"
"uvm_report_message_element_container" "uvm_report_message_element_base"
"uvm_report_message_object_element" "uvm_report_message_string_element"
"uvm_report_message_int_element" "uvm_id_file_array"
"uvm_sev_override_array" "uvm_id_actions_array"
"uvm_id_verbosities_array" "uvm_report_cb" "sev_id_struct" "action_e"
"uvm_report_cb_iter" "uvm_report_catcher" "uvm_report_handler"
"uvm_registry_object_creator" "uvm_registry_component_creator"
"Tregistry" "uvm_abstract_object_registry" "common_type"
"uvm_registry_common" "uvm_component_registry" "uvm_regex_cache"
"uvm_text_recorder" "uvm_text_tr_stream" "uvm_set_before_get_dap"
"uvm_structure_proxy" "uvm_printer_row_info" "uvm_printer_element_proxy"
"uvm_printer_element" "m_uvm_printer_knobs" "uvm_port_list"
"uvm_port_type_e" "uvm_port_component" "uvm_port_base"
"uvm_port_component_base" "uvm_barrier_pool" "uvm_object_string_pool"
"uvm_pool" "uvm_phase_cb_pool" "uvm_sequencer_base" "uvm_phase_cb"
"uvm_wait_op" "uvm_task_phase" "edges_t" "uvm_phase_state_change"
"uvm_phase_type" "uvm_pack_bitstream_t" "uvm_callbacks_objection"
"uvm_objection_cbs_t" "uvm_objection_event" "uvm_test_done_objection"
"uvm_object_registry" "uvm_objection_context_object"
"uvm_objection_events" "uvm_sequence_state_enum" "uvm_severity_type"
"uvm_line_printer" "uvm_tree_printer" "uvm_core_state"
"uvm_sequence_state" "uvm_sequencer_arb_mode" "m_uvm_config_obj_misc"
"process_container_c" "uvm_utils" "uvm_void" "types_t" "uvm_seed_map"
"node_type" "uvm_lru_cache_node" "uvm_lru_cache" "uvm_related_link"
"uvm_cause_effect_link" "uvm_parent_child_link" "uvm_link_base"
"uvm_heartbeat_cbs_t" "uvm_objection_callback" "uvm_heartbeat"
"uvm_event#(uvm_object)" "uvm_heartbeat_modes" "uvm_heartbeat_callback"
"uvm_report_message" "uvm_shared" "uvm_enum_wrapper" "uvm_field_flag_t"
"uvm_policy" "uvm_factory_queue_class" "m_inst_typename_alias_t"
"m_uvm_factory_type_pair_t" "uvm_factory_override" "uvm_event#(T)"
"cbs_type" "cb_type" "uvm_event_callback" "uvm_event_base"
"uvm_post_shutdown_phase" "uvm_shutdown_phase" "uvm_pre_shutdown_phase"
"uvm_post_main_phase" "uvm_main_phase" "uvm_pre_main_phase"
"uvm_post_configure_phase" "uvm_configure_phase"
"uvm_pre_configure_phase" "uvm_post_reset_phase" "uvm_reset_phase"
"uvm_pre_reset_phase" "uvm_table_printer" "uvm_default_coreservice_t"
"uvm_packer" "uvm_visitor#(uvm_component)"
"uvm_component_name_check_visitor" "uvm_visitor"
"uvm_default_report_server" "uvm_report_server" "uvm_text_tr_database"
"uvm_default_factory" "uvm_copier"
"uvm_config_db_default_implementation_t" "rsrc_t" "m_uvm_waiter"
"uvm_resource" "uvm_config_wrapper" "uvm_config_object"
"uvm_config_string" "uvm_config_int" "uvm_config_db_options"
"uvm_config_db" "uvm_config_db_implementation_t" "type_id"
"uvm_object_wrapper" "uvm_objection" "uvm_acs_name_struct"
"uvm_sequence_base" "uvm_sequence_item" "uvm_config_object_wrapper"
"uvm_factory" "rsrc_q_t" "uvm_resource_pool" "uvm_resource_base"
"uvm_event_pool" "uvm_abstract_component_registry" "uvm_recorder"
"uvm_tr_stream" "uvm_tr_database" "config_mode_t" "uvm_integral_t"
"uvm_radix_enum" "uvm_comparer" "uvm_field_op" "uvm_bitstream_t"
"uvm_recursion_policy_enum" "state_info_t" "recursion_state_e"
"uvm_final_phase" "uvm_report_phase" "uvm_check_phase"
"uvm_extract_phase" "uvm_run_phase" "uvm_start_of_simulation_phase"
"uvm_end_of_elaboration_phase" "uvm_connect_phase" "uvm_build_phase"
"uvm_cmdline_setting_base" "uvm_cmdline_set_severity"
"uvm_cmdline_set_action" "uvm_action" "uvm_severity"
"uvm_cmdline_set_verbosity" "uvm_cmdline_verbosity" "uvm_cmd_line_verb"
"uvm_verbosity" "uvm_callback_iter" "uvm_queue#(uvm_callback)"
"uvm_apprepend" "this_super_type" "this_user_type"
"uvm_derived_callbacks" "uvm_coreservice_t" "uvm_root"
"uvm_report_object" "uvm_callbacks" "uvm_callback" "super_type"
"uvm_typed_callbacks" "uvm_queue" "uvm_typeid" "uvm_typeid_base"
"uvm_callbacks_base" "optional_data" "this_type" "optional_keys" "size_t"
"uvm_cache" "uvm_bottomup_phase" "uvm_phase_state" "uvm_component"
"process" "uvm_phase" "uvm_phase_hopper" "uvm_domain"
"uvm_cmdline_processor" "uvm_object" "uvm_printer" "uvm_barrier"
"uvm_event"))))
(defconst verilog-ext-font-lock-pragma-keywords
(eval-when-compile
(verilog-regexp-words
'("surefire" "0in" "auto" "leda" "rtl_synthesis" "verilint"
;; Recognized by Vivado (check Xilinx attribute 'translate_off/translate_on'):
"synthesis" "synopsys" "pragma"))))
;; Xilinx attributes extracted from UG901:
;; - https://www.xilinx.com/support/documentation/sw_manuals/xilinx2017_3/ug901-vivado-synthesis.pdf
;; - Chapter 2 (some of them are also supported at XDC).
(defconst verilog-ext-font-lock-xilinx-attributes
(eval-when-compile
(verilog-regexp-words
'("async_reg" "black_box" "cascade_height" "clock_buffer_type"
"direct_enable" "direct_reset" "dont_touch" "extract_enable"
"extract_reset" "fsm_encoding" "fsm_safe_state" "full_case" "gated_clock"
"iob" "io_buffer_type" "keep" "keep_hierarchy" "mark_debug" "max_fanout"
"parallel_case" "ram_decomp" "ram_style" "retiming_backward"
"retiming_forward" "rom_style" "shreg_extract" "srl_style" "translate_off"
"translate_on" "use_dsp"
;; uppercase "async_reg" "BLACK_BOX"
"CASCADE_HEIGHT" "CLOCK_BUFFER_TYPE" "DIRECT_ENABLE" "DIRECT_RESET"
"DONT_TOUCH" "EXTRACT_ENABLE" "EXTRACT_RESET" "FSM_ENCODING"
"FSM_SAFE_STATE" "FULL_CASE" "GATED_CLOCK" "IOB" "IO_BUFFER_TYPE" "KEEP"
"KEEP_HIERARCHY" "MARK_DEBUG" "MAX_FANOUT" "PARALLEL_CASE" "RAM_DECOMP"
"RAM_STYLE" "RETIMING_BACKWARD" "RETIMING_FORWARD" "ROM_STYLE"
"SHREG_EXTRACT" "SRL_STYLE" "TRANSLATE_OFF" "TRANSLATE_ON" "USE_DSP"))))
;;; Functions
(defun verilog-ext-font-lock-module-instance-fontify (limit)
"Search based fontification function of Verilog modules/instances.
Bound search by LIMIT."
(let (start-line-pos end-line-pos)
(when (verilog-ext-find-module-instance-fwd limit)
(setq start-line-pos (save-excursion
(goto-char (match-beginning 1))
(line-beginning-position)))
(setq end-line-pos (save-excursion
(goto-char (match-end 2))
(line-end-position)))
(unless (get-text-property (point) 'font-lock-multiline)
(put-text-property start-line-pos end-line-pos 'font-lock-multiline t))
(point))))
(defun verilog-ext-font-lock-task-function-fontify (limit)
"Search based fontification function of Verilog tasks/function.
Bound search by LIMIT."
(when (verilog-ext-find-function-task-fwd limit)
(unless (get-text-property (point) 'font-lock-multiline)
(put-text-property (match-beginning 0) (match-end 0) 'font-lock-multiline t))
(point)))
(defun verilog-ext-font-lock-modport-fontify (limit)
"Fontify interface modport declarations.
Bound search by LIMIT."
(let (if-start if-end mp-start mp-end var-start var-end)
(when (and (verilog-re-search-forward verilog-ext-font-lock-interface-modport-re limit t)
(verilog-in-parenthesis-p))
(setq if-start (match-beginning 2))
(setq if-end (match-end 2))
(setq mp-start (match-beginning 3))
(setq mp-end (match-end 3))
;; Calculate variable pos at the end since `thing-at-point' changes match-data
(setq var-start (car (bounds-of-thing-at-point 'symbol)))
(setq var-end (cdr (bounds-of-thing-at-point 'symbol)))
(set-match-data (list if-start if-end mp-start mp-end var-start var-end))
(point))))
(defun verilog-ext-font-lock-var-decl-typedef-fontify (limit)
"Fontify variable declarations of user defined types.
Bound search by LIMIT."
(let ((decl-typedef-re (verilog-get-declaration-typedef-re))
start end found)
(when (verilog-align-typedef-enabled-p)
(while (and (not found)
(verilog-re-search-forward decl-typedef-re limit t))
(when (save-excursion
(beginning-of-line)
(looking-at decl-typedef-re))
(setq found t)))
(when found
(setq start (match-beginning 5))
(setq end (match-end 5))
(set-match-data (list start end))
(point)))))
(defun verilog-ext-font-lock-enum-fontify (limit)
"Fontify (typedef) enum declarations.
Bound search by LIMIT."
(let (start-line-pos end-line-pos data)
(when (setq data (verilog-ext-find-enum limit))
(goto-char (car (alist-get 'pos data)))
(setq start-line-pos (line-beginning-position))
(goto-char (cadr (alist-get 'pos data)))
(setq end-line-pos (line-end-position))
(unless (get-text-property (point) 'font-lock-multiline)
(put-text-property start-line-pos end-line-pos 'font-lock-multiline t))
(point))))
(defun verilog-ext-font-lock-struct-fontify (limit)
"Fontify (typedef) struct declarations.
Bound search by LIMIT."
(let (start-line-pos end-line-pos data)
(when (setq data (verilog-ext-find-struct limit))
(goto-char (car (alist-get 'pos data)))
(setq start-line-pos (line-beginning-position))
(goto-char (cadr (alist-get 'pos data)))
(setq end-line-pos (line-end-position))
(unless (get-text-property (point) 'font-lock-multiline)
(put-text-property start-line-pos end-line-pos 'font-lock-multiline t))
(point))))
(defun verilog-ext-font-lock-match-translate-off-fontify (limit)
"Match a translate-off block, setting `match-data' and returning t, else nil.
Bound search by LIMIT.
Similar to `verilog-match-translate-off' but including
`font-lock-multiline' property."
(when (< (point) limit)
(let ((start (or (verilog-within-translate-off)
(verilog-start-translate-off limit)))
(case-fold-search t))
(when start
(let ((end (or (verilog-end-translate-off limit) limit)))
(put-text-property start end 'font-lock-multiline t)
(set-match-data (list start end))
(goto-char end))))))
;;; Font-lock keywords
(defconst verilog-ext-font-lock-keywords
(list
;; Preprocessor macros and compiler directives (place at the top to preserve precendence in `else or `include macros over keywords)
(cons (concat "`" verilog-identifier-re) 'verilog-ext-font-lock-preprocessor-face)
;; Grouping keywords
(cons (concat "\\<\\(" verilog-ext-font-lock-grouping-plus-this-keywords "\\)\\>") 'verilog-ext-font-lock-grouping-keywords-face)
;; Builtin keywords
(concat "\\<\\(" verilog-ext-font-lock-general-keywords "\\)\\>") ; Default 'font-lock-keyword-face
;; User/System tasks and functions
(cons (concat "\\<\\(" verilog-ext-font-lock-system-task-re "\\)\\>") 'font-lock-builtin-face)
;; Types & directions
(cons (concat "\\<\\(" verilog-ext-font-lock-type-font-keywords "\\)\\>") 'font-lock-type-face)
(cons (concat "\\<\\(" verilog-ext-font-lock-direction-keywords "\\)\\>") 'verilog-ext-font-lock-direction-face)
;; Punctuation
(list verilog-ext-font-lock-time-unit-re 2 verilog-ext-font-lock-time-unit-face)
(list verilog-ext-font-lock-time-event-re 0 verilog-ext-font-lock-time-event-face)
(list verilog-ext-font-lock-port-connection-re 1 verilog-ext-font-lock-port-connection-face)
(list verilog-ext-font-lock-dot-name-re 1 verilog-ext-font-lock-dot-name-face)
(list verilog-ext-font-lock-brackets-content-re 1 verilog-ext-font-lock-brackets-content-face)
(list verilog-ext-font-lock-punctuation-re 0 verilog-ext-font-lock-punctuation-face)
(list verilog-ext-font-lock-operator-re 0 verilog-ext-font-lock-operator-face)
(list verilog-ext-font-lock-brackets-re 0 verilog-ext-font-lock-brackets-face)
(list verilog-ext-font-lock-parenthesis-re 0 verilog-ext-font-lock-parenthesis-face)
(list verilog-ext-font-lock-curly-braces-re 0 verilog-ext-font-lock-curly-braces-face)
(list verilog-ext-font-lock-width-signal-re
'(1 verilog-ext-font-lock-width-num-face)
'(2 verilog-ext-font-lock-width-type-face))))
(defconst verilog-ext-font-lock-keywords-1
(append
verilog-ext-font-lock-keywords
(list
;; Top level definitions (except classes)
(list "\\<\\(?1:\\(macro\\|connect\\)?module\\|primitive\\|program\\|interface\\|package\\)\\>\\s-*\\(automatic\\s-+\\)?\\(?3:\\sw+\\)\\s-*\\(?4:#?\\)"
'(1 font-lock-keyword-face)
'(3 font-lock-function-name-face))
;; Class names and parent
'(verilog-ext-find-class-fwd
(1 'font-lock-function-name-face)
(2 'verilog-ext-font-lock-typedef-face nil t)) ; Parent class, if any
;; Functions/tasks
'(verilog-ext-font-lock-task-function-fontify
(1 'font-lock-function-name-face)
(2 'verilog-ext-font-lock-dot-name-face nil t) ; Class name if defined externally
(3 'font-lock-type-face nil t)) ; Function return type
;; Modport interfaces in port lists
'(verilog-ext-font-lock-modport-fontify
(0 'verilog-ext-font-lock-dot-name-face)
(1 'verilog-ext-font-lock-modport-face))
;; Modules/instances
'(verilog-ext-font-lock-module-instance-fontify
(1 'verilog-ext-font-lock-module-face)
(2 'verilog-ext-font-lock-instance-face))
;; Variable declarations of user defined types
'(verilog-ext-font-lock-var-decl-typedef-fontify
(0 'font-lock-type-face))
;; (Typedef) enums
'(verilog-ext-font-lock-enum-fontify
(0 'verilog-ext-font-lock-typedef-face))
;; (Typedef) structs
'(verilog-ext-font-lock-struct-fontify
(0 'verilog-ext-font-lock-typedef-face))
;; Typedef declarations
(list verilog-ext-typedef-class-re
'(2 font-lock-function-name-face))
(list verilog-ext-typedef-generic-re
'(2 font-lock-type-face))
;; Fallback to `verilog-ext-font-lock-var-decl-typedef-fontify'.
;; Try to fontify with a similar font those variable declarations whose regexps have not
;; been added to `verilog-align-typedef-regexp' (it won't be possible to align those)
;; To do so, check `verilog-ext-typedef-get'.
(list verilog-ext-typedef-var-decl-single-re
'(1 verilog-ext-font-lock-typedef-face))
(list verilog-ext-typedef-var-decl-multiple-re
'(1 verilog-ext-font-lock-typedef-face)))))
(defconst verilog-ext-font-lock-keywords-2
(append
verilog-ext-font-lock-keywords-1
(list
;; Pragmas
(list (concat "\\(//\\s-*\\(" verilog-ext-font-lock-pragma-keywords " \\).*\\)")
'(0 'verilog-ext-font-lock-translate-off-face prepend)
'(2 'verilog-ext-font-lock-preprocessor-face prepend))
;; Escaped names
'("\\(\\\\\\S-*\\s-\\)" 0 font-lock-function-name-face)
;; Delays/numbers
'("\\s-*#\\s-*\\(?1:\\([0-9_.]+\\([munpf]s\\)?\\('s?[hdxbo][0-9a-fA-F_xz]*\\)?\\)\\|\\(([^(),.=]+)\\|\\sw+\\)\\)" 1 font-lock-type-face)
;; Fontify property/sequence cycle delays - these start with '##'
'("##\\(?1:\\sw+\\|\\[[^]]+\\]\\)" 1 font-lock-type-face))))
(defconst verilog-ext-font-lock-keywords-3
(append
verilog-ext-font-lock-keywords-2
(list
;; UVM constructs
(cons (concat "\\(" verilog-ext-font-lock-uvm-classes "\\)") 'verilog-ext-font-lock-uvm-classes-face)
;; Xilinx attributes
(list (concat "(\\*\\s-+" "\\<\\(?1:" verilog-ext-font-lock-xilinx-attributes "\\)\\>" "\\s-+\\*)") 1 verilog-ext-font-lock-xilinx-attributes-face)
;; *_translate off regions
'(verilog-ext-font-lock-match-translate-off-fontify
(0 'verilog-ext-font-lock-translate-off-face prepend)))))
;;; Setup
(defun verilog-ext-font-lock-setup ()
"Setup syntax highlighting of SystemVerilog buffers.
Add `verilog-ext-mode' font lock keywords before running
`verilog-mode' in order to populate `font-lock-keywords-alist'
before `font-lock' is loaded.
Otherwise reload `verilog-mode'. This could occur if font-lock setup is run via
`use-package' :config section instead of :init to allow for lazy loading of
`verilog-ext'."
(let ((keywords (append verilog-ext-font-lock-keywords
verilog-ext-font-lock-keywords-1
verilog-ext-font-lock-keywords-2
verilog-ext-font-lock-keywords-3)))
(font-lock-add-keywords 'verilog-mode keywords 'set)
;; Workaround to refontify buffer if using :config section with `use-package'
;; https://emacs.stackexchange.com/questions/70083/how-to-refresh-font-lock-of-the-current-buffer
(when (eq major-mode 'verilog-mode)
(verilog-mode))))
(provide 'verilog-ext-font-lock)
;;; verilog-ext-font-lock.el ends here