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Add --pp-comments, msg2700.

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This commit is contained in:
Wilson Snyder
2018-10-25 21:17:25 -04:00
parent 8dbfc940ba
commit da1ebcb4e4
7 changed files with 1007 additions and 6 deletions
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src/V3PreProc.cpp
+12 -6
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@@ -390,6 +390,12 @@ bool V3PreProcImp::commentTokenMatch(string& cmdr, const char* strg) {
void V3PreProcImp::comment(const string& text) {
// Comment detected. Only keep relevant data.
bool printed = false;
if (v3Global.opt.preprocOnly() && v3Global.opt.ppComments()) {
insertUnreadback(text);
printed = true;
}
const char* cp = text.c_str();
if (cp[0]=='/' && (cp[1]=='/' || cp[1]=='*')) {
cp+=2;
@@ -431,16 +437,16 @@ void V3PreProcImp::comment(const string& text) {
if (v3Global.opt.assertOn()) {
// one_hot, one_cold, (full_case, parallel_case)
if (commentTokenMatch(cmd/*ref*/, "full_case")) {
insertUnreadback("/*verilator full_case*/");
if (!printed) insertUnreadback("/*verilator full_case*/");
}
if (commentTokenMatch(cmd/*ref*/, "parallel_case")) {
insertUnreadback("/*verilator parallel_case*/");
if (!printed) insertUnreadback("/*verilator parallel_case*/");
}
//if (commentTokenMatch(cmd/*ref*/, "one_hot")) {
// insertUnreadback ("/*verilator one_hot*/ "+cmd+";");
// insertUnreadback ("/*verilator one_hot*/ "+cmd+";");
//}
//if (commentTokenMatch(cmd/*ref*/, "one_cold")) {
// insertUnreadback ("/*verilator one_cold*/ "+cmd+";");
// insertUnreadback ("/*verilator one_cold*/ "+cmd+";");
//}
// else ignore the comment we don't recognize
} // else no assertions
@@ -450,9 +456,9 @@ void V3PreProcImp::comment(const string& text) {
// "/*verilator public_flat_rw @(foo) */" -> "/*verilator public_flat_rw*/ @(foo)"
cmd = cmd.substr(pos+strlen("public_flat_rw"));
while (isspace(cmd[0])) cmd = cmd.substr(1);
insertUnreadback("/*verilator public_flat_rw*/ "+cmd+" /**/");
if (!printed) insertUnreadback("/*verilator public_flat_rw*/ "+cmd+" /**/");
} else {
insertUnreadback("/*verilator "+cmd+"*/");
if (!printed) insertUnreadback("/*verilator "+cmd+"*/");
}
}
}