luke
/
verilator
mirror of https://github.com/verilator/verilator.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Internals: Use multi-character puts. No functional change intended.

This commit is contained in:
Wilson Snyder 2025-10-09 21:23:11 -04:00
parent fb4951d2df
commit 3306ed146b
1 changed files with 40 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
src/V3EmitCFunc.cpp
View File

@ -54,17 +54,23 @@ void EmitCFunc::emitOpName(AstNode* nodep, const string& format, AstNode* lhsp,
// %k Potential line break
// %P Wide temporary name
// , Commas suppressed if the previous field is suppressed
string nextComma;
bool needComma = false;
#define COMMA \
do { \
if (!nextComma.empty()) { \
puts(nextComma); \
nextComma = ""; \
} \
} while (false)
string out;
putnbs(nodep, "");
bool needComma = false;
string nextComma;
auto commaOut = [&out, &nextComma]() {
if (!nextComma.empty()) {
out += nextComma;
nextComma = "";
}
};
auto putOut = [this, &out]() {
if (!out.empty()) puts(out);
out = "";
};
for (string::const_iterator pos = format.begin(); pos != format.end(); ++pos) {
if (pos[0] == ',') {
// Remember we need to add one, but don't do yet to avoid ",)"
@ -82,8 +88,11 @@ void EmitCFunc::emitOpName(AstNode* nodep, const string& format, AstNode* lhsp,
bool detail = false;
AstNode* detailp = nullptr;
switch (pos[0]) {
case '%': puts("%"); break;
case 'k': putbs(""); break;
case '%': out += '%'; break;
case 'k':
putOut();
putbs("");
break;
case 'n':
detail = true;
detailp = nodep;
@ -104,12 +113,13 @@ void EmitCFunc::emitOpName(AstNode* nodep, const string& format, AstNode* lhsp,
if (nodep->isWide()) {
UASSERT_OBJ(m_wideTempRefp, nodep,
"Wide Op w/ no temp, perhaps missing op in V3EmitC?");
COMMA;
commaOut();
putOut();
if (!m_wideTempRefp->selfPointer().isEmpty()) {
emitDereference(m_wideTempRefp,
m_wideTempRefp->selfPointerProtect(m_useSelfForThis));
}
puts(m_wideTempRefp->varp()->nameProtect());
out += m_wideTempRefp->varp()->nameProtect();
m_wideTempRefp = nullptr;
needComma = true;
}
@ -120,22 +130,26 @@ void EmitCFunc::emitOpName(AstNode* nodep, const string& format, AstNode* lhsp,
// Get next letter of %[nlrt]
++pos;
switch (pos[0]) {
case 'q': emitIQW(detailp); break;
case 'q':
putOut();
emitIQW(detailp);
break;
case 'w':
COMMA;
puts(cvtToStr(detailp->widthMin()));
commaOut();
out += cvtToStr(detailp->widthMin());
needComma = true;
break;
case 'W':
if (lhsp->isWide()) {
COMMA;
puts(cvtToStr(lhsp->widthWords()));
commaOut();
out += cvtToStr(lhsp->widthWords());
needComma = true;
}
break;
case 'i':
COMMA;
commaOut();
UASSERT_OBJ(detailp, nodep, "emitOperator() references undef node");
putOut();
iterateAndNextConstNull(detailp);
needComma = true;
break;
@ -146,20 +160,19 @@ void EmitCFunc::emitOpName(AstNode* nodep, const string& format, AstNode* lhsp,
}
} else if (pos[0] == ')') {
nextComma = "";
puts(")");
out += ')';
} else if (pos[0] == '(') {
COMMA;
commaOut();
needComma = false;
puts("(");
out += '(';
} else {
// Normal text
if (std::isalnum(pos[0])) needComma = true;
COMMA;
string s;
s += pos[0];
puts(s);
commaOut();
out += pos[0];
}
}
putOut();
}
void EmitCFunc::displayEmit(AstNode* nodep, bool isScan) {