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Merge pull request #106 from QuantamHD/sign_const 

Fixes constant integer verilog parsing
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Parallax Support 2024-10-08 17:17:02 -07:00 committed by GitHub
parent 450cc4a70f 8a46208c4d
commit 058685adb5
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2 changed files with 5 additions and 4 deletions
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1
test/verilog_attribute.v
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@ -11,6 +11,7 @@ module counter(clk, reset, in, out);
(* src = "synthesis/tests/counter.v:18.14-18.19" *) (* src = "synthesis/tests/counter.v:18.14-18.19" *)
input reset; input reset;
input in; input in;
(* bottom_bound = 1'sh0 *)
(* src = "synthesis/tests/counter.v:22.3-28.6", attr1 = "test_attr1", attr2 = "test_attr2" *) (* src = "synthesis/tests/counter.v:22.3-28.6", attr1 = "test_attr1", attr2 = "test_attr2" *)
sky130_fd_sc_hd__dfrtp_1 _1415_ ( sky130_fd_sc_hd__dfrtp_1 _1415_ (
.CLK(clk), .CLK(clk),

8
verilog/VerilogLex.ll
View File

@ -76,22 +76,22 @@ ID_TOKEN {ID_ESCAPED_TOKEN}|{ID_ALPHA_TOKEN}
} }
} }
{SIGN}?{UNSIGNED_NUMBER}?"'"[bB][01_xz]+ { {SIGN}?{UNSIGNED_NUMBER}?"'"[sS]?[bB][01_xz]+ {
VerilogParse_lval.constant = sta::stringCopy(VerilogLex_text); VerilogParse_lval.constant = sta::stringCopy(VerilogLex_text);
return CONSTANT; return CONSTANT;
} }
{SIGN}?{UNSIGNED_NUMBER}?"'"[oO][0-7_xz]+ { {SIGN}?{UNSIGNED_NUMBER}?"'"[sS]?[oO][0-7_xz]+ {
VerilogParse_lval.constant = sta::stringCopy(VerilogLex_text); VerilogParse_lval.constant = sta::stringCopy(VerilogLex_text);
return CONSTANT; return CONSTANT;
} }
{SIGN}?{UNSIGNED_NUMBER}?"'"[dD][0-9_]+ { {SIGN}?{UNSIGNED_NUMBER}?"'"[sS]?[dD][0-9_]+ {
VerilogParse_lval.constant = sta::stringCopy(VerilogLex_text); VerilogParse_lval.constant = sta::stringCopy(VerilogLex_text);
return CONSTANT; return CONSTANT;
} }
{SIGN}?{UNSIGNED_NUMBER}?"'"[hH][0-9a-fA-F_xz]+ { {SIGN}?{UNSIGNED_NUMBER}?"'"[sS]?[hH][0-9a-fA-F_xz]+ {
VerilogParse_lval.constant = sta::stringCopy(VerilogLex_text); VerilogParse_lval.constant = sta::stringCopy(VerilogLex_text);
return CONSTANT; return CONSTANT;
} }