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Add support for struct types, following p0561. (#856)

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This commit is contained in:
Geoff Romer
2021-09-29 16:14:27 -07:00
committed by GitHub
parent d157d96338
commit c4e40aaa86
20 changed files with 674 additions and 44 deletions
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executable_semantics/ast/expression.cpp
+14 -3
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@@ -64,10 +64,11 @@ static void PrintOp(llvm::raw_ostream& out, Operator op) {
}
static void PrintFields(llvm::raw_ostream& out,
const std::vector<FieldInitializer>& fields) {
const std::vector<FieldInitializer>& fields,
std::string_view separator) {
llvm::ListSeparator sep;
for (const auto& field : fields) {
out << sep << field.name << " = " << *field.expression;
out << sep << "." << field.name << separator << *field.expression;
}
}
@@ -85,9 +86,19 @@ void Expression::Print(llvm::raw_ostream& out) const {
}
case Expression::Kind::TupleLiteral:
out << "(";
PrintFields(out, cast<TupleLiteral>(*this).Fields());
PrintFields(out, cast<TupleLiteral>(*this).Fields(), " = ");
out << ")";
break;
case Expression::Kind::StructLiteral:
out << "{";
PrintFields(out, cast<StructLiteral>(*this).fields(), " = ");
out << "}";
break;
case Expression::Kind::StructTypeLiteral:
out << "{";
PrintFields(out, cast<StructTypeLiteral>(*this).fields(), ": ");
out << "}";
break;
case Expression::Kind::IntLiteral:
out << cast<IntLiteral>(*this).Val();
break;