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Allow map indices to be referenced &m[key] and return a valid pointer if it exists otherwise nil

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This commit is contained in:
gingerBill
2020-03-24 15:51:17 +00:00
parent 6bfe9b6656
commit b7893082ce
1 changed files with 13 additions and 1 deletions
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src/llvm_backend.cpp
+13 -1
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@@ -107,7 +107,19 @@ lbValue lb_addr_get_ptr(lbProcedure *p, lbAddr const &addr) {
}
switch (addr.kind) {
case lbAddr_Map:
case lbAddr_Map: {
Type *map_type = base_type(addr.map.type);
lbValue h = lb_gen_map_header(p, addr.addr, map_type);
lbValue key = lb_gen_map_key(p, addr.map.key, map_type->Map.key);
auto args = array_make<lbValue>(heap_allocator(), 2);
args[0] = h;
args[1] = key;
lbValue ptr = lb_emit_runtime_call(p, "__dynamic_map_get", args);
return lb_emit_conv(p, ptr, alloc_type_pointer(map_type->Map.value));
}
case lbAddr_BitField: {
lbValue v = lb_addr_load(p, addr);
return lb_address_from_load_or_generate_local(p, v);