`line 1 "t/t_preproc.v" 1 // DESCRIPTION: Verilator: Verilog Test module // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2000-2011 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 `line 6 "t/t_preproc.v" 0 //=========================================================================== // Includes `line 8 "t/t_preproc.v" 0 `line 1 "t/t_preproc_inc2.vh" 1 // DESCRIPTION: Verilog::Preproc: Example source code `line 2 "t/t_preproc_inc2.vh" 0 // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2000-2007 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 At file "t/t_preproc_inc2.vh" line 5 `line 7 "t/t_preproc_inc2.vh" 0 `line 1 "t/t_preproc_inc3.vh" 1 `line 2 "inc3_a_filename_from_line_directive" 0 // DESCRIPTION: Verilog::Preproc: Example source code // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2000-2007 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 `line 7 "inc3_a_filename_from_line_directive" 0 // FOO At file "inc3_a_filename_from_line_directive" line 11 `line 13 "inc3_a_filename_from_line_directive" 0 // guard `line 16 "inc3_a_filename_from_line_directive" 0 `line 20 "inc3_a_filename_from_line_directive" 2 `line 7 "t/t_preproc_inc2.vh" 0 `line 9 "t/t_preproc_inc2.vh" 2 `line 8 "t/t_preproc.v" 0 `line 10 "t/t_preproc.v" 0 //=========================================================================== // Comments `line 13 "t/t_preproc.v" 0 /* verilator pass_thru comment */ `line 15 "t/t_preproc.v" 0 // verilator pass_thru_comment2 `line 17 "t/t_preproc.v" 0 //=========================================================================== // Defines `line 20 "t/t_preproc.v" 0 // DEF_A0 set by command line wire [3:0] q = { 1'b1 , 1'b0 , 1'b1 , 1'b1 }; `line 30 "t/t_preproc.v" 0 text. `line 32 "t/t_preproc.v" 0 foo /*this */ bar /* this too */ foobar2 // but not `line 37 "t/t_preproc.v" 0 `line 41 "t/t_preproc.v" 0 `line 46 "t/t_preproc.v" 0 /*******COMMENT*****/ first part `line 47 "t/t_preproc.v" 0 second part `line 47 "t/t_preproc.v" 0 third part { `line 48 "t/t_preproc.v" 0 a, `line 48 "t/t_preproc.v" 0 b, `line 48 "t/t_preproc.v" 0 c} Line_Preproc_Check 49 `line 51 "t/t_preproc.v" 0 //=========================================================================== `line 53 "t/t_preproc.v" 0 `line 55 "t/t_preproc.v" 0 deep deep `line 59 "t/t_preproc.v" 0 "Inside: `nosubst" "`nosubst" `line 64 "t/t_preproc.v" 0 x y LLZZ x y p q LLZZ p q r s LLZZ r s LLZZ p q LLZZ p q r s LLZZ r s `line 70 "t/t_preproc.v" 0 firstline comma","line LLZZ firstline comma","line `line 72 "t/t_preproc.v" 0 x y LLZZ "x" y // Simulators disagree here; some substitute "a" others do not `line 75 "t/t_preproc.v" 0 (a,b)(a,b) `line 78 "t/t_preproc.v" 0 $display("left side: \"right side\"") `line 81 "t/t_preproc.v" 0 bar_suffix more `line 84 "t/t_preproc.v" 0 `line 86 "t/t_preproc.v" 0 $c("Zap(\"",bug1,"\");");; `line 87 "t/t_preproc.v" 0 $c("Zap(\"","bug2","\");");; `line 89 "t/t_preproc.v" 0 /* Define inside comment: `DEEPER and `WITHTICK */ // More commentary: `zap(bug1); `zap("bug2"); `line 92 "t/t_preproc.v" 0 //====================================================================== // display passthru `line 95 "t/t_preproc.v" 0 initial begin //$display(`msg( \`, \`)); // Illegal $display("pre thrupre thrumid thrupost post: \"right side\""); $display("left side: \"right side\""); $display("left side: \"right side\""); $display("left_side: \"right_side\""); $display("na: \"right_side\""); $display("prep ( midp1 left_side midp2 ( outp ) ): \"right_side\""); $display("na: \"nana\""); $display("left_side right_side // Doesn't expand: \"left_side right_side // Doesn't expand\""); // Results vary between simulators $display(": \"\""); // Empty $display("left side: \"right side\""); $display("left side: \"right side\""); $display("standalone"); `line 116 "t/t_preproc.v" 0 // Unspecified when the stringification has multiple lines $display("twoline: \"first second\""); //$display(`msg(left side, \ right side \ )); // Not sure \{space} is legal. $write("*-* All Finished *-*\n"); $finish; end endmodule `line 126 "t/t_preproc.v" 0 //====================================================================== // rt.cpan.org bug34429 `line 129 "t/t_preproc.v" 0 `line 134 "t/t_preproc.v" 0 module add1 ( input wire d1, output wire o1); `line 135 "t/t_preproc.v" 0 wire tmp_d1 = d1; `line 135 "t/t_preproc.v" 0 wire tmp_o1 = tmp_d1 + 1; `line 135 "t/t_preproc.v" 0 assign o1 = tmp_o1 ; // expansion is OK endmodule module add2 ( input wire d2, output wire o2); `line 138 "t/t_preproc.v" 0 wire tmp_d2 = d2; `line 138 "t/t_preproc.v" 0 wire tmp_o2 = tmp_d2 + 1; `line 138 "t/t_preproc.v" 0 assign o2 = tmp_o2 ; // expansion is bad endmodule `line 141 "t/t_preproc.v" 0 `line 147 "t/t_preproc.v" 0 // parameterized macro with arguments that are macros `line 152 "t/t_preproc.v" 0 `line 152 "t/t_preproc.v" 0 generate for (i=0; i<(3); i=i+1) begin `line 152 "t/t_preproc.v" 0 psl cover { m5k.f .ctl._ctl_mvldx_m1.d[i] & ~m5k.f .ctl._ctl_mvldx_m1.q[i] & !m5k.f .ctl._ctl_mvldx_m1.cond & ((m5k.f .ctl.alive & m5k.f .ctl.alive_m1))} report "fondNoRise: m5kc_fcl._ctl_mvldx_m1"; `line 152 "t/t_preproc.v" 0 psl cover { ~m5k.f .ctl._ctl_mvldx_m1.d[i] & m5k.f .ctl._ctl_mvldx_m1.q[i] & !m5k.f .ctl._ctl_mvldx_m1.cond & ((m5k.f .ctl.alive & m5k.f .ctl.alive_m1))} report "fondNoFall: m5kc_fcl._ctl_mvldx_m1"; `line 152 "t/t_preproc.v" 0 end endgenerate // ignorecmt `line 154 "t/t_preproc.v" 0 //====================================================================== // Quotes are legal in protected blocks. Grr. module prot(); `protected I!#r#e6<_Q{{E2+]I3<[3s)1@D|'E''i!O?]jD>Jo_![Cl) #nj1]p,3^1~,="E@QZB\T)eU\pC#C|7=\$J$##A[@-@{Qk] `line 160 "t/t_preproc.v" 0 `endprotected endmodule //" `line 164 "t/t_preproc.v" 0 //====================================================================== // macro call with define that has comma `line 174 "t/t_preproc.v" 0 begin addr <= (({regs[6], regs[7]} + 1)); rd <= 1; end and begin addr <= (({regs[6], regs[7]})); wdata <= (rdata); wr <= 1; end begin addr <= ({regs[6], regs[7]} + 1); rd <= 1; end begin addr <= ({regs[6], regs[7]}); wdata <= (rdata); wr <= 1; end more `line 178 "t/t_preproc.v" 0 //====================================================================== // include of parameterized file `line 181 "t/t_preproc.v" 0 `line 1 "t/t_preproc_inc4.vh" 1 // DESCRIPTION: Verilog::Preproc: Example source code `line 2 "t/t_preproc_inc4.vh" 0 // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2000-2011 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 `line 6 "t/t_preproc_inc4.vh" 0 `line 8 "t/t_preproc_inc4.vh" 2 `line 181 "t/t_preproc.v" 0 `line 182 "t/t_preproc.v" 0 `line 185 "t/t_preproc.v" 0 `line 187 "t/t_preproc.v" 0 `line 191 "t/t_preproc.v" 0 //====================================================================== // macro call with , in {} `line 194 "t/t_preproc.v" 0 $blah("ab,cd","e,f"); $blah(this.logfile,vec); $blah(this.logfile,vec[1,2,3]); $blah(this.logfile,{blah.name(), " is not foo"}); `line 200 "t/t_preproc.v" 0 //====================================================================== // pragma/default net type `line 203 "t/t_preproc.v" 0 `pragma foo = 1 `default_nettype none `default_nettype uwire `line 207 "t/t_preproc.v" 0 //====================================================================== // Ifdef `line 210 "t/t_preproc.v" 0 `line 214 "t/t_preproc.v" 0 Line_Preproc_Check 214 `line 216 "t/t_preproc.v" 0 //====================================================================== // bug84 `line 219 "t/t_preproc.v" 0 // Hello, comments MIGHT not be legal /*more,,)cmts*/ // But newlines ARE legal... who speced THAT? (p,q) `line 226 "t/t_preproc.v" 0 (//Here x,y //Too) Line_Preproc_Check 227 `line 229 "t/t_preproc.v" 0 //====================================================================== // defines split arguments `line 232 "t/t_preproc.v" 0 beginend // 2001 spec doesn't require two tokens, so "beginend" ok beginend // 2001 spec doesn't require two tokens, so "beginend" ok "beginend" // No space "beginend" `line 240 "t/t_preproc.v" 0 //====================================================================== // bug106 `\esc`def `line 246 "t/t_preproc.v" 0 Not a \`define `line 248 "t/t_preproc.v" 0 //====================================================================== // misparsed comma in submacro x,y)--bee submacro has comma paren `line 256 "t/t_preproc.v" 0 //====================================================================== // bug191 $display("10 %d %d", $bits(foo), 10); `line 261 "t/t_preproc.v" 0 //====================================================================== // 1800-2009 `line 266 "t/t_preproc.v" 0 `line 269 "t/t_preproc.v" 0 //====================================================================== // bug202 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 `line 283 "t/t_preproc.v" 0 assign a3 = ~b3 ; `line 283 "t/t_preproc.v" 0 `line 285 "t/t_preproc.v" 0 /* multi \ line1*/ \ `line 287 "t/t_preproc.v" 0 /*multi \ line2*/ `line 294 "t/t_preproc.v" 0 `line 294 "t/t_preproc.v" 0 `line 294 "t/t_preproc.v" 0 /* multi line 3*/ `line 294 "t/t_preproc.v" 0 def i `line 296 "t/t_preproc.v" 0 //====================================================================== `line 298 "t/t_preproc.v" 0 `line 302 "t/t_preproc.v" 0 `line 308 "t/t_preproc.v" 0 1 // verilator NOT IN DEFINE (nodef) 2 /* verilator PART OF DEFINE */ (hasdef) 3 `line 310 "t/t_preproc.v" 0 /* verilator NOT PART OF DEFINE */ (nodef) `line 311 "t/t_preproc.v" 0 4 `line 311 "t/t_preproc.v" 0 /* verilator PART OF DEFINE */ (nodef) `line 312 "t/t_preproc.v" 0 5 also in `line 312 "t/t_preproc.v" 0 also3 // CMT NOT (nodef) HAS a NEW `line 315 "t/t_preproc.v" 0 LINE `line 317 "t/t_preproc.v" 0 //====================================================================== `line 319 "t/t_preproc.v" 0 `line 332 "t/t_preproc.v" 0 `line 335 "t/t_preproc.v" 0 EXP: clxx_scen clxx_scen EXP: clxx_scen "clxx_scen" EXP: do if (start("verilog/inc1.v", 25)) begin message({"Blah-", "clx_scen", " end"}); end while(0); `line 341 "t/t_preproc.v" 0 do `line 341 "t/t_preproc.v" 0 /* synopsys translate_off */ `line 341 "t/t_preproc.v" 0 `line 341 "t/t_preproc.v" 0 `line 341 "t/t_preproc.v" 0 `line 341 "t/t_preproc.v" 0 if (start("t/t_preproc.v", 341)) begin `line 341 "t/t_preproc.v" 0 `line 341 "t/t_preproc.v" 0 message({"Blah-", "clx_scen", " end"}); `line 341 "t/t_preproc.v" 0 end `line 341 "t/t_preproc.v" 0 /* synopsys translate_on */ `line 341 "t/t_preproc.v" 0 while(0); `line 343 "t/t_preproc.v" 0 //====================================================================== `line 345 "t/t_preproc.v" 0 `line 349 "t/t_preproc.v" 0 `line 349 "t/t_preproc.v" 0 `line 350 "t/t_preproc.v" 0 //`ifndef def_fooed_2 `error "No def_fooed_2" `endif EXP: This is fooed This is fooed EXP: This is fooed_2 This is fooed_2 `line 357 "t/t_preproc.v" 0 //====================================================================== np np //====================================================================== // It's unclear if the spec allows this; is text_macro_idenitfier before or after substitution? `line 368 "t/t_preproc.v" 0 `line 371 "t/t_preproc.v" 0 //====================================================================== // Metaprogramming `line 379 "t/t_preproc.v" 0 `line 383 "t/t_preproc.v" 0 hello3hello3hello3 hello4hello4hello4hello4 //====================================================================== // Include from stringification `line 389 "t/t_preproc.v" 0 `line 1 "t/t_preproc_inc4.vh" 1 // DESCRIPTION: Verilog::Preproc: Example source code `line 2 "t/t_preproc_inc4.vh" 0 // This file ONLY is placed under the Creative Commons Public Domain, for // any use, without warranty, 2000-2011 by Wilson Snyder. // SPDX-License-Identifier: CC0-1.0 `line 6 "t/t_preproc_inc4.vh" 0 `line 8 "t/t_preproc_inc4.vh" 2 `line 389 "t/t_preproc.v" 0 `line 390 "t/t_preproc.v" 0 //====================================================================== // Defines doing defines // Note the newline on the end - required to form the end of a define `line 398 "t/t_preproc.v" 0 Line_Preproc_Check 402 //====================================================================== // Quoted multiline - track line numbers, and ensure \\n gets propagated Line_Preproc_Check 408 "FOO \ BAR " "arg_line1 \ arg_line2" "FOO \ BAR " `line 411 "t/t_preproc.v" 0 Line_Preproc_Check 411 //====================================================================== // bug283 `line 415 "t/t_preproc.v" 0 // EXP: abc abc `line 425 "t/t_preproc.v" 0 EXP: sonet_frame sonet_frame `line 431 "t/t_preproc.v" 0 EXP: sonet_frame sonet_frame // This result varies between simulators EXP: sonet_frame sonet_frame `line 441 "t/t_preproc.v" 0 // The existance of non-existance of a base define can make a difference EXP: module zzz ; endmodule module zzz ; endmodule module zzz ; endmodule `line 448 "t/t_preproc.v" 0 EXP: module a_b ; endmodule module a_b ; endmodule module a_b ; endmodule `line 453 "t/t_preproc.v" 0 //====================================================================== // bug311 integer/*NEED_SPACE*/ foo; //====================================================================== // bug441 module t; //----- // case provided // note this does NOT escape as suggested in the mail initial begin : \`LEX_CAT(a[0],_assignment) `line 465 "t/t_preproc.v" 0 $write("GOT%%m='%m' EXP='%s'\n", "t.\\`LEX_CAT(a[0],_assignment) "); end //----- // SHOULD(simulator-dependant): Backslash doesn't prevent arguments from // substituting and the \ staying in the expansion // Note space after name is important so when substitute it has ending whitespace initial begin : \a[0]_assignment_a[1] `line 472 "t/t_preproc.v" 0 $write("GOT%%m='%m' EXP='%s'\n", "t.\\a[0]_assignment_a[1] "); end //----- // RULE: Ignoring backslash does NOT allow an additional expansion level // (Because ESC gets expanded then the \ has it's normal escape meaning) initial begin : \`CAT(pp,suffix) $write("GOT%%m='%m' EXP='%s'\n", "t.\\`CAT(pp,suffix) "); end //----- // Similar to above; \ does not allow expansion after substitution initial begin : \`CAT(ff,bb) `line 486 "t/t_preproc.v" 0 $write("GOT%%m='%m' EXP='%s'\n", "t.\\`CAT(ff,bb) "); end //----- // MUST: Unknown macro with backslash escape stays as escaped symbol name initial begin : \`zzz `line 492 "t/t_preproc.v" 0 $write("GOT%%m='%m' EXP='%s'\n", "t.\\`zzz "); end //----- // SHOULD(simulator-dependant): Known macro with backslash escape expands initial begin : \`FOO `line 499 "t/t_preproc.v" 0 $write("GOT%%m='%m' OTHER_EXP='%s'\n OUR_EXP='%s'", "t.bar ","t.\\`FOO "); end // SHOULD(simulator-dependant): Prefix breaks the above initial begin : \xx`FOO `line 501 "t/t_preproc.v" 0 $write("GOT%%m='%m' EXP='%s'\n", "t.\\xx`FOO "); end //----- // MUST: Unknown macro not under call with backslash escape doesn't expand initial begin : \`UNKNOWN $write("GOT%%m='%m' EXP='%s'\n", "t.\\`UNKNOWN "); end //----- // MUST: Unknown macro not under call doesn't expand initial begin : \`DEF_NO_EXPAND $write("GOT%%m='%m' EXP='%s'\n", "t.\\`DEF_NO_EXPAND "); end //----- // bug441 derivative // SHOULD(simulator-dependant): Quotes doesn't prevent arguments from expanding (like backslashes above) initial $write("GOT='%s' EXP='%s'\n", "foo bar baz", "foo bar baz"); //----- // RULE: Because there are quotes after substituting STR, the `A does NOT expand initial $write("GOT='%s' EXP='%s'\n", "foo `A(bar) baz", "foo `A(bar) baz"); //---- // bug845 initial $write("Slashed=`%s'\n", "1//2.3"); //---- // bug915 initial `line 532 "t/t_preproc.v" 0 $display("%s%s","a1","b2c3\n"); endmodule `line 535 "t/t_preproc.v" 0 //====================================================================== //bug1225 `line 538 "t/t_preproc.v" 0 $display("RAM0"); $display("CPU"); `line 543 "t/t_preproc.v" 0 `line 548 "t/t_preproc.v" 0 XXE_FAMILY = XXE_ $display("XXE_ is defined"); `line 555 "t/t_preproc.v" 0 XYE_FAMILY = XYE_ $display("XYE_ is defined"); `line 562 "t/t_preproc.v" 0 XXS_FAMILY = XXS_some $display("XXS_some is defined"); `line 569 "t/t_preproc.v" 0 XYS_FAMILY = XYS_foo $display("XYS_foo is defined"); `line 576 "t/t_preproc.v" 0 //==== `line 578 "t/t_preproc.v" 0 `line 586 "t/t_preproc.v" 0 `line 593 "t/t_preproc.v" 0 `line 600 "t/t_preproc.v" 0 `line 607 "t/t_preproc.v" 0 `line 609 "t/t_preproc.v" 0 // NEVER `line 611 "t/t_preproc.v" 0 //bug1227 (.mySig (myInterface.pa5), `line 615 "t/t_preproc.v" 0 //====================================================================== // Stringify bug `line 618 "t/t_preproc.v" 0 `dbg_hdl(UVM_LOW, ("Functional coverage enabled: paramgrp")); `line 621 "t/t_preproc.v" 0 `line 629 "t/t_preproc.v" 0 module pcc2_cfg; generate `line 631 "t/t_preproc.v" 0 covergroup a @(posedge b); `line 631 "t/t_preproc.v" 0 c: coverpoint d iff ((c) === 1'b1); endgroup `line 631 "t/t_preproc.v" 0 a u_a; `line 631 "t/t_preproc.v" 0 initial do begin $display ("DEBUG : %s [%m]", $sformatf ("Functional coverage enabled: u_a")); end while(0); endgenerate endmodule `line 635 "t/t_preproc.v" 0 //====================================================================== // IEEE mandated predefines // undefineall should have no effect on these predef 0 0 predef 1 1 predef 2 2 predef 3 3 predef 10 10 predef 11 11 predef 20 20 predef 21 21 predef 22 22 predef 23 23 predef -2 -2 predef -1 -1 predef 0 0 predef 1 1 predef 2 2 //====================================================================== // After `undefineall above, for testing --dump-defines `line 657 "t/t_preproc.v" 2