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IndexType: Add IsPatternIndex(), like IsSubNetIndex()

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This commit is contained in:
Arne Welzel 2023-11-01 14:07:27 +01:00
parent 074f51fc96
commit c8bab6a0ec
5 changed files with 16 additions and 9 deletions
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9
src/Expr.cc
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@ -2383,11 +2383,10 @@ IndexExpr::IndexExpr(ExprPtr arg_op1, ListExprPtr arg_op2, bool arg_is_slice, bo
return;
if ( op1->GetType()->Tag() == TYPE_TABLE ) { // Check for a table[pattern] being indexed by a string
auto table_type = op1->GetType()->AsTableType();
auto& it = table_type->GetIndexTypes();
auto& rhs_type = op2->GetType()->AsTypeList()->GetTypes();
if ( it.size() == 1 && it[0]->Tag() == TYPE_PATTERN && table_type->Yield() && rhs_type.size() == 1 &&
rhs_type[0]->Tag() == TYPE_STRING ) {
const auto& table_type = op1->GetType()->AsTableType();
const auto& rhs_type = op2->GetType()->AsTypeList()->GetTypes();
if ( table_type->IsPatternIndex() && table_type->Yield() && rhs_type.size() == 1 &&
IsString(rhs_type[0]->Tag()) ) {
is_pattern_table = true;
SetType(make_intrusive<VectorType>(op1->GetType()->Yield()));
return;