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Add '--decorations node' for inserting debug comments into emitted code.

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This commit is contained in:
Wilson Snyder
2024-01-24 21:51:47 -05:00
parent c8a40e0b52
commit 354a534d68
25 changed files with 558 additions and 332 deletions
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src/V3EmitCImp.cpp
+29 -25
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@@ -203,7 +203,7 @@ class EmitCImp final : EmitCFunc {
for (const AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) {
if (const AstVar* const varp = VN_CAST(nodep, Var)) {
if (varp->isStatic()) {
puts(varp->vlArgType(true, false, false, modName));
putns(varp, varp->vlArgType(true, false, false, modName));
puts(";\n");
}
}
@@ -217,15 +217,15 @@ class EmitCImp final : EmitCFunc {
if (varp->isParam()) {
if (first) {
puts("\n");
putsDecoration("// Parameter definitions for " + modName + "\n");
putsDecoration(modp, "// Parameter definitions for " + modName + "\n");
first = false;
}
UASSERT_OBJ(varp->valuep(), nodep, "No init for a param?");
// Only C++ LiteralTypes can be constexpr
const bool canBeConstexpr = varp->dtypep()->isLiteralType();
puts(canBeConstexpr ? "constexpr " : "const ");
putns(varp, canBeConstexpr ? "constexpr " : "const ");
const string scopedName = modName + "::" + varp->nameProtect();
puts(varp->dtypep()->cType(scopedName, false, false));
putns(varp, varp->dtypep()->cType(scopedName, false, false));
if (!canBeConstexpr) {
puts(" = ");
emitConstInit(varp->valuep());
@@ -244,7 +244,8 @@ class EmitCImp final : EmitCFunc {
"(" + modName + "* vlSelf);");
puts("\n");
puts(modName + "::" + modName + "(" + symClassName() + "* symsp, const char* v__name)\n");
putns(modp,
modName + "::" + modName + "(" + symClassName() + "* symsp, const char* v__name)\n");
puts(" : VerilatedModule{v__name}\n");
ofp()->indentInc();
@@ -254,19 +255,19 @@ class EmitCImp final : EmitCFunc {
= VN_CAST(varp->dtypeSkipRefp(), BasicDType)) {
if (dtypep->keyword().isMTaskState()) {
puts(", ");
puts(varp->nameProtect());
putns(varp, varp->nameProtect());
puts("(");
iterateConst(varp->valuep());
puts(")\n");
} else if (varp->isIO() && varp->isSc()) {
puts(", ");
puts(varp->nameProtect());
putns(varp, varp->nameProtect());
puts("(");
putsQuoted(varp->nameProtect());
puts(")\n");
} else if (dtypep->isDelayScheduler()) {
puts(", ");
puts(varp->nameProtect());
putns(varp, varp->nameProtect());
puts("{*symsp->_vm_contextp__}\n");
}
}
@@ -277,7 +278,7 @@ class EmitCImp final : EmitCFunc {
puts(" {\n");
putsDecoration("// Reset structure values\n");
putsDecoration(modp, "// Reset structure values\n");
puts(modName + "__" + protect("_ctor_var_reset") + "(this);\n");
emitTextSection(modp, VNType::atScCtor);
@@ -339,7 +340,7 @@ class EmitCImp final : EmitCFunc {
}
void emitDestructorImp(const AstNodeModule* modp) {
puts("\n");
puts(prefixNameProtect(modp) + "::~" + prefixNameProtect(modp) + "() {\n");
putns(modp, prefixNameProtect(modp) + "::~" + prefixNameProtect(modp) + "() {\n");
emitTextSection(modp, VNType::atScDtor);
puts("}\n");
splitSizeInc(10);
@@ -352,8 +353,8 @@ class EmitCImp final : EmitCFunc {
const string funcname = de ? "__Vdeserialize" : "__Vserialize";
const string op = de ? ">>" : "<<";
// NOLINTNEXTLINE(performance-inefficient-string-concatenation)
puts("void " + prefixNameProtect(modp) + "::" + protect(funcname) + "(" + classname
+ "& os) {\n");
putns(modp, "void " + prefixNameProtect(modp) + "::" + protect(funcname) + "("
+ classname + "& os) {\n");
// Place a computed checksum to ensure proper structure save/restore formatting
// OK if this hash includes some things we won't dump, since
// just looking for loading the wrong model
@@ -414,7 +415,7 @@ class EmitCImp final : EmitCFunc {
puts("; " + ivar + " < " + cvtToStr(elementp->widthWords()));
puts("; ++" + ivar + ") {\n");
}
puts("os" + op + varp->nameProtect());
putns(varp, "os" + op + varp->nameProtect());
for (int v = 0; v < vects; ++v) puts("[__Vi" + cvtToStr(v) + "]");
puts(";\n");
for (int v = 0; v < vects; ++v) puts("}\n");
@@ -773,7 +774,7 @@ class EmitCTrace final : EmitCFunc {
m_enumNumMap[nodep] = enumNum;
int nvals = 0;
typesFp()->puts("{\n");
typesFp()->puts("const char* " + protect("__VenumItemNames") + "[]\n");
typesFp()->putns(nodep, "const char* " + protect("__VenumItemNames") + "[]\n");
typesFp()->puts("= {");
for (AstEnumItem* itemp = nodep->itemsp(); itemp;
itemp = VN_AS(itemp->nextp(), EnumItem)) {
@@ -817,26 +818,28 @@ class EmitCTrace final : EmitCFunc {
// Note: Both VTraceType::CHANGE and VTraceType::FULL use the 'full' methods
const std::string func = nodep->traceType() == VTraceType::CHANGE ? "chg" : "full";
bool emitWidth = true;
string stype;
if (nodep->dtypep()->basicp()->isDouble()) {
puts("bufp->" + func + "Double");
stype = "Double";
emitWidth = false;
} else if (nodep->isWide() || emitTraceIsScBv(nodep) || emitTraceIsScBigUint(nodep)) {
puts("bufp->" + func + "WData");
stype = "WData";
} else if (nodep->isQuad()) {
puts("bufp->" + func + "QData");
stype = "QData";
} else if (nodep->declp()->widthMin() > 16) {
puts("bufp->" + func + "IData");
stype = "IData";
} else if (nodep->declp()->widthMin() > 8) {
puts("bufp->" + func + "SData");
stype = "SData";
} else if (nodep->declp()->widthMin() > 1) {
puts("bufp->" + func + "CData");
stype = "CData";
} else if (nodep->dtypep()->basicp()->isEvent()) {
puts("bufp->" + func + "Event");
stype = "Event";
emitWidth = false;
} else {
puts("bufp->" + func + "Bit");
stype = "Bit";
emitWidth = false;
}
putns(nodep, "bufp->" + func + stype);
const uint32_t offset = (arrayindex < 0) ? 0 : (arrayindex * nodep->declp()->widthWords());
const uint32_t code = nodep->declp()->code() + offset;
@@ -906,17 +909,18 @@ class EmitCTrace final : EmitCFunc {
EmitCFunc::visit(nodep);
}
void visit(AstTracePushPrefix* nodep) override {
puts("tracep->pushPrefix(");
putns(nodep, "tracep->pushPrefix(");
putsQuoted(VIdProtect::protectWordsIf(nodep->prefix(), nodep->protect()));
puts(", VerilatedTracePrefixType::");
puts(nodep->prefixType().ascii());
puts(");\n");
}
void visit(AstTracePopPrefix* nodep) override { //
puts("tracep->popPrefix();\n");
putns(nodep, "tracep->popPrefix();\n");
}
void visit(AstTraceDecl* nodep) override {
const int enumNum = emitTraceDeclDType(nodep->dtypep());
putns(nodep, "");
if (nodep->arrayRange().ranged()) {
puts("for (int i = 0; i < " + cvtToStr(nodep->arrayRange().elements()) + "; ++i) {\n");
emitTraceInitOne(nodep, enumNum);
@@ -946,7 +950,7 @@ class EmitCTrace final : EmitCFunc {
if (m_slow) openNextTypesFile();
// Emit functions
for (AstNode* nodep = modp->stmtsp(); nodep; nodep = nodep->nextp()) {
if (AstCFunc* const funcp = VN_CAST(nodep, CFunc)) { iterateConst(funcp); }
if (AstCFunc* const funcp = VN_CAST(nodep, CFunc)) iterateConst(funcp);
}
// Close output file
VL_DO_CLEAR(delete m_ofp, m_ofp = nullptr);