write_verilog: escape names that match SystemVerilog keywords.
authorwhitequark <whitequark@whitequark.org>
Sat, 26 Jan 2019 23:55:46 +0000 (23:55 +0000)
committerwhitequark <whitequark@whitequark.org>
Sun, 27 Jan 2019 00:03:53 +0000 (00:03 +0000)
backends/verilog/verilog_backend.cc

index 8da3c0627363b24c1736d9fada6166242253f794..fc38afbdac345d5f470c62c97fd750eaefdaf3b8 100644 (file)
@@ -126,6 +126,33 @@ std::string id(RTLIL::IdString internal_id, bool may_rename = true)
                break;
        }
 
+       const pool<string> keywords = {
+               // IEEE 1800-2017 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", "endsequence", "endspecify", "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",
+       };
+       if (keywords.count(str))
+               do_escape = true;
+
        if (do_escape)
                return "\\" + std::string(str) + " ";
        return std::string(str);