SystemVerilog keyword check

[dalance]

Some keyword of SystemVerilog can be used as identifier in Veryl.
They will cause syntax error of transpiled SystemVerilog code.
So they should be checked by Veryl compiler.

[taichi-ishitani]

Keywords list
(From IEEE 1800-2023 Annex B)

• accept_on
• alias
• always
• always_comb
• always_ff
• always_latch
• and
• assert
• assign
• assume
• automatic
• before
• begin
• bind
• bins
• binsof
• bit
• break
• buf
• bufif0
• bufif1
• byte
• case
• casex
• casez
• cell
• chandle
• checker
• class
• clocking
• cmos
• config
• const
• constraint
• context
• continue
• cover
• covergroup
• coverpoint
• cross
• deassign
• default
• defparam
• design
• disable
• dist
• do
• edge
• else
• end
• endcase
• endchecker
• endclass
• endclocking
• endconfig
• endfunction
• endgenerate
• endgroup
• endinterface
• endmodule
• endpackage
• endprimitive
• endprogram
• endproperty
• endspecify
• endsequence
• endtable
• endtask
• enum
• event
• eventually
• expect
• export
• extends
• extern
• final
• first_match
• for
• force
• foreach
• forever
• fork
• forkjoin
• function
• generate
• genvar
• global
• highz0
• highz1
• if
• iff
• ifnone
• ignore_bins
• illegal_bins
• implements
• implies
• import
• incdir
• include
• initial
• inout
• input
• inside
• instance
• int
• integer
• interconnect
• interface
• intersect
• join
• join_any
• join_none
• large
• let
• liblist
• library
• local
• localparam
• logic
• longint
• macromodule
• matches
• medium
• modport
• module
• nand
• negedge
• nettype
• new
• nexttime
• nmos
• nor
• noshowcancelled
• not
• notif0
• notif1
• null
• or
• output
• package
• packed
• parameter
• pmos
• posedge
• primitive
• priority
• program
• property
• protected
• pull0
• pull1
• pulldown
• pullup
• pulsestyle_ondetect
• pulsestyle_onevent
• pure
• rand
• randc
• randcase
• randsequence
• rcmos
• real
• realtime
• ref
• reg
• reject_on
• release
• repeat
• restrict
• return
• rnmos
• rpmos
• rtran
• rtranif0
• rtranif1
• s_always
• s_eventually
• s_nexttime
• s_until
• s_until_with
• scalared
• sequence
• shortint
• shortreal
• showcancelled
• signed
• small
• soft
• solve
• specify
• specparam
• static
• string
• strong
• strong0
• strong1
• struct
• super
• supply0
• supply1
• sync_accept_on
• sync_reject_on
• table
• tagged
• task
• this
• throughout
• time
• timeprecision
• timeunit
• tran
• tranif0
• tranif1
• tri
• tri0
• tri1
• triand
• trior
• trireg
• type
• typedef
• union
• unique
• unique0
• unsigned
• until
• until_with
• untyped
• use
• uwire
• var
• vectored
• virtual
• void
• wait
• wait_order
• wand
• weak
• weak0
• weak1
• while
• wildcard
• wire
• with
• within
• wor
• xnor
• xor

[nblei]

@dalance this can be closed #750