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+" Vim syntax file
+" Language: Hercules
+" Maintainer: Dana Edwards <Dana_Edwards@avanticorp.com>
+" Extensions: *.vc,*.ev,*.rs
+" Last change: Nov. 9, 2001
+" Comment: Hercules physical IC design verification software ensures
+" that an IC's physical design matches its logical design and
+" satisfies manufacturing rules.
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+ finish
+endif
+
+" Ignore case
+syn case ignore
+
+" Hercules runset sections
+syn keyword herculesType header assign_property alias assign
+syn keyword herculesType options preprocess_options
+syn keyword herculesType explode_options technology_options
+syn keyword herculesType drc_options database_options
+syn keyword herculesType text_options lpe_options evaccess_options
+syn keyword herculesType check_point compare_group environment
+syn keyword herculesType grid_check include layer_stats load_group
+syn keyword herculesType restart run_only self_intersect set snap
+syn keyword herculesType system variable waiver
+
+" Hercules commands
+syn keyword herculesStatement attach_property boolean cell_extent
+syn keyword herculesStatement common_hierarchy connection_points
+syn keyword herculesStatement copy data_filter alternate delete
+syn keyword herculesStatement explode explode_all fill_pattern find_net
+syn keyword herculesStatement flatten
+syn keyword herculesStatement level negate polygon_features push
+syn keyword herculesStatement rectangles relocate remove_overlap reverse select
+syn keyword herculesStatement select_cell select_contains select_edge select_net size
+syn keyword herculesStatement text_polygon text_property vertex area cut
+syn keyword herculesStatement density enclose external inside_edge
+syn keyword herculesStatement internal notch vectorize center_to_center
+syn keyword herculesStatement length mask_align moscheck rescheck
+syn keyword herculesStatement analysis buildsub init_lpe_db capacitor
+syn keyword herculesStatement device gendev nmos pmos diode npn pnp
+syn keyword herculesStatement resistor set_param save_property
+syn keyword herculesStatement connect disconnect text text_boolean
+syn keyword herculesStatement replace_text create_ports label graphics
+syn keyword herculesStatement save_netlist_database lpe_stats netlist
+syn keyword herculesStatement spice graphics_property graphics_netlist
+syn keyword herculesStatement write_milkyway multi_rule_enclose
+syn keyword herculesStatement if error_property equate compare
+syn keyword herculesStatement antenna_fix c_thru dev_connect_check
+syn keyword herculesStatement dev_net_count device_count net_filter
+syn keyword herculesStatement net_path_check ratio process_text_opens
+
+" Hercules keywords
+syn keyword herculesStatement black_box_file block compare_dir equivalence
+syn keyword herculesStatement format gdsin_dir group_dir group_dir_usage
+syn keyword herculesStatement inlib layout_path outlib output_format
+syn keyword herculesStatement output_layout_path schematic schematic_format
+syn keyword herculesStatement scheme_file output_block else
+syn keyword herculesStatement and or not xor andoverlap inside outside by to
+syn keyword herculesStatement with connected connected_all texted_with texted
+syn keyword herculesStatement by_property cutting edge_touch enclosing inside
+syn keyword herculesStatement inside_hole interact touching vertex
+
+" Hercules comments
+syn region herculesComment start="/\*" skip="/\*" end="\*/" contains=herculesTodo
+syn match herculesComment "//.*" contains=herculesTodo
+
+" Preprocessor directives
+syn match herculesPreProc "^#.*"
+syn match herculesPreProc "^@.*"
+syn match herculesPreProc "macros"
+
+" Hercules COMMENT option
+syn match herculesCmdCmnt "comment.*=.*"
+
+" Spacings, Resolutions, Ranges, Ratios, etc.
+syn match herculesNumber "-\=\<[0-9]\+L\=\>\|0[xX][0-9]\+\>"
+
+" Parenthesis sanity checker
+syn region herculesZone matchgroup=Delimiter start="(" matchgroup=Delimiter end=")" transparent contains=ALLBUT,herculesError,herculesBraceError,herculesCurlyError
+syn region herculesZone matchgroup=Delimiter start="{" matchgroup=Delimiter end="}" transparent contains=ALLBUT,herculesError,herculesBraceError,herculesParenError
+syn region herculesZone matchgroup=Delimiter start="\[" matchgroup=Delimiter end="]" transparent contains=ALLBUT,herculesError,herculesCurlyError,herculesParenError
+syn match herculesError "[)\]}]"
+syn match herculesBraceError "[)}]" contained
+syn match herculesCurlyError "[)\]]" contained
+syn match herculesParenError "[\]}]" contained
+
+" Hercules output format
+"syn match herculesOutput "([0-9].*)"
+"syn match herculesOutput "([0-9].*\;.*)"
+syn match herculesOutput "perm\s*=.*(.*)"
+syn match herculesOutput "temp\s*=\s*"
+syn match herculesOutput "error\s*=\s*(.*)"
+
+"Modify the following as needed. The trade-off is performance versus functionality.
+syn sync lines=100
+
+" Define the default highlighting.
+" Only when an item doesn't have highlighting yet
+
+hi def link herculesStatement Statement
+hi def link herculesType Type
+hi def link herculesComment Comment
+hi def link herculesPreProc PreProc
+hi def link herculesTodo Todo
+hi def link herculesOutput Include
+hi def link herculesCmdCmnt Identifier
+hi def link herculesNumber Number
+hi def link herculesBraceError herculesError
+hi def link herculesCurlyError herculesError
+hi def link herculesParenError herculesError
+hi def link herculesError Error
+
+
+let b:current_syntax = "hercules"
+
+" vim: ts=8