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Support simple class extends.

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This commit is contained in:
Wilson Snyder
2020-08-23 19:37:56 -04:00
parent fefe731105
commit 20206b1e2e
14 changed files with 217 additions and 50 deletions
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src/V3EmitC.cpp
+19 -8
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@@ -264,6 +264,15 @@ public:
puts("static void __Vmtask__final(bool even_cycle, void* symtab);\n");
}
}
void ccallIterateArgs(AstNodeCCall* nodep) {
puts(nodep->argTypes());
bool comma = (nodep->argTypes() != "");
for (AstNode* subnodep = nodep->argsp(); subnodep; subnodep = subnodep->nextp()) {
if (comma) puts(", ");
iterate(subnodep);
comma = true;
}
}
// VISITORS
virtual void visit(AstNodeAssign* nodep) override {
@@ -373,13 +382,7 @@ public:
}
puts(nodep->funcp()->nameProtect());
puts("(");
puts(nodep->argTypes());
bool comma = (nodep->argTypes() != "");
for (AstNode* subnodep = nodep->argsp(); subnodep; subnodep = subnodep->nextp()) {
if (comma) puts(", ");
iterate(subnodep);
comma = true;
}
ccallIterateArgs(nodep);
if (VN_IS(nodep->backp(), NodeMath) || VN_IS(nodep->backp(), CReturn)) {
// We should have a separate CCall for math and statement usage, but...
puts(")");
@@ -1485,6 +1488,13 @@ class EmitCImp : EmitCStmts {
puts(funcNameProtect(nodep, m_modp));
puts("(" + cFuncArgs(nodep) + ")");
if (nodep->isConst().trueKnown()) puts(" const");
// TODO perhaps better to have a new AstCCtorInit so we can pass arguments
// rather than requiring a string here
if (!nodep->ctorInits().empty()) {
puts(": ");
puts(nodep->ctorInits());
}
puts(" {\n");
// "+" in the debug indicates a print from the model
@@ -2982,7 +2992,8 @@ void EmitCImp::emitInt(AstNodeModule* modp) {
if (AstClass* classp = VN_CAST(modp, Class)) {
puts("class " + prefixNameProtect(modp));
if (classp->extendsp()) puts(" : public " + classp->extendsp()->classp()->nameProtect());
if (classp->extendsp())
puts(" : public " + prefixNameProtect(classp->extendsp()->classp()));
puts(" {\n");
} else if (optSystemC() && modp->isTop()) {
puts("SC_MODULE(" + prefixNameProtect(modp) + ") {\n");