Add -a, --all flag to garbage command

opt/definitions.rs

@@ -514,6 +514,10 @@ pub struct Garbage {
     /// The maximum number of items to display.
     #[structopt(short = "n", default_value = "10")]
     max_items: u32,
+
+    /// Display all items. Overrides -n <max_items>
+    #[structopt(short = "a", long = "all")]
+    all_items: bool,
 }
 
 impl Default for Garbage {
@@ -527,6 +531,7 @@ impl Default for Garbage {
             output_format: Default::default(),
 
             max_items: 10,
+            all_items: false,
         }
     }
 }
@@ -540,11 +545,12 @@ impl Garbage {
 
     /// The maximum number of items to display.
     pub fn max_items(&self) -> u32 {
-        self.max_items
+        if self.all_items { u32::MAX } else { self.max_items }
     }
 
     /// Set the maximum number of items to display.
     pub fn set_max_items(&mut self, max: u32) {
         self.max_items = max;
+        self.all_items = false;
     }
 }

twiggy/tests/expectations/garbage_wee_alloc_all

@@ -0,0 +1,25 @@
+ Bytes │ Size % │ Garbage Item
+───────┼────────┼─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
+  1034 ┊ 36.71% ┊ data[3]
+   136 ┊  4.83% ┊ <wee_alloc::size_classes::SizeClassAllocPolicy<'a> as wee_alloc::AllocPolicy>::new_cell_for_free_list::h3987e3054b8224e6
+    76 ┊  2.70% ┊ <wee_alloc::LargeAllocPolicy as wee_alloc::AllocPolicy>::new_cell_for_free_list::h8f071b7bce0301ba
+    25 ┊  0.89% ┊ data[1]
+    25 ┊  0.89% ┊ data[2]
+    12 ┊  0.43% ┊ elem[0]
+     6 ┊  0.21% ┊ type[0]
+     6 ┊  0.21% ┊ type[1]
+     6 ┊  0.21% ┊ <wee_alloc::LargeAllocPolicy as wee_alloc::AllocPolicy>::min_cell_size::hc7cee2a550987099
+     5 ┊  0.18% ┊ <wee_alloc::size_classes::SizeClassAllocPolicy<'a> as wee_alloc::AllocPolicy>::min_cell_size::h6f746be886573355
+     4 ┊  0.14% ┊ table[0]
+     4 ┊  0.14% ┊ __wasm_nullptr
+     3 ┊  0.11% ┊ type[2]
+     3 ┊  0.11% ┊ core::ptr::drop_in_place::h8e9fdc2437d43666
+     3 ┊  0.11% ┊ core::ptr::drop_in_place::h4e5cdfd7b9310648.18
+     1 ┊  0.04% ┊ func[0]
+     1 ┊  0.04% ┊ func[1]
+     1 ┊  0.04% ┊ func[4]
+     1 ┊  0.04% ┊ func[5]
+     1 ┊  0.04% ┊ func[6]
+     1 ┊  0.04% ┊ func[7]
+     1 ┊  0.04% ┊ func[10]
+  1355 ┊ 48.10% ┊ Σ [22 Total Rows]

twiggy/tests/expectations/garbage_wee_alloc_all_json

@@ -0,0 +1 @@
+[{"name":"data[3]","bytes":1034,"size_percent":36.7057152999645},{"name":"<wee_alloc::size_classes::SizeClassAllocPolicy<'a> as wee_alloc::AllocPolicy>::new_cell_for_free_list::h3987e3054b8224e6","bytes":136,"size_percent":4.827831025914093},{"name":"<wee_alloc::LargeAllocPolicy as wee_alloc::AllocPolicy>::new_cell_for_free_list::h8f071b7bce0301ba","bytes":76,"size_percent":2.697905573304934},{"name":"data[1]","bytes":25,"size_percent":0.8874689385871495},{"name":"data[2]","bytes":25,"size_percent":0.8874689385871495},{"name":"elem[0]","bytes":12,"size_percent":0.42598509052183176},{"name":"type[0]","bytes":6,"size_percent":0.21299254526091588},{"name":"type[1]","bytes":6,"size_percent":0.21299254526091588},{"name":"<wee_alloc::LargeAllocPolicy as wee_alloc::AllocPolicy>::min_cell_size::hc7cee2a550987099","bytes":6,"size_percent":0.21299254526091588},{"name":"<wee_alloc::size_classes::SizeClassAllocPolicy<'a> as wee_alloc::AllocPolicy>::min_cell_size::h6f746be886573355","bytes":5,"size_percent":0.1774937877174299},{"name":"table[0]","bytes":4,"size_percent":0.1419950301739439},{"name":"__wasm_nullptr","bytes":4,"size_percent":0.1419950301739439},{"name":"type[2]","bytes":3,"size_percent":0.10649627263045794},{"name":"core::ptr::drop_in_place::h8e9fdc2437d43666","bytes":3,"size_percent":0.10649627263045794},{"name":"core::ptr::drop_in_place::h4e5cdfd7b9310648.18","bytes":3,"size_percent":0.10649627263045794},{"name":"func[0]","bytes":1,"size_percent":0.03549875754348598},{"name":"func[1]","bytes":1,"size_percent":0.03549875754348598},{"name":"func[4]","bytes":1,"size_percent":0.03549875754348598},{"name":"func[5]","bytes":1,"size_percent":0.03549875754348598},{"name":"func[6]","bytes":1,"size_percent":0.03549875754348598},{"name":"func[7]","bytes":1,"size_percent":0.03549875754348598},{"name":"func[10]","bytes":1,"size_percent":0.03549875754348598},{"name":"Σ [22 Total Rows]","bytes":1355,"size_percent":48.1008164714235}]

twiggy/tests/expectations/garbage_wee_alloc_top_10

@@ -0,0 +1,14 @@
+ Bytes │ Size % │ Garbage Item
+───────┼────────┼─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
+  1034 ┊ 36.71% ┊ data[3]
+   136 ┊  4.83% ┊ <wee_alloc::size_classes::SizeClassAllocPolicy<'a> as wee_alloc::AllocPolicy>::new_cell_for_free_list::h3987e3054b8224e6
+    76 ┊  2.70% ┊ <wee_alloc::LargeAllocPolicy as wee_alloc::AllocPolicy>::new_cell_for_free_list::h8f071b7bce0301ba
+    25 ┊  0.89% ┊ data[1]
+    25 ┊  0.89% ┊ data[2]
+    12 ┊  0.43% ┊ elem[0]
+     6 ┊  0.21% ┊ type[0]
+     6 ┊  0.21% ┊ type[1]
+     6 ┊  0.21% ┊ <wee_alloc::LargeAllocPolicy as wee_alloc::AllocPolicy>::min_cell_size::hc7cee2a550987099
+     5 ┊  0.18% ┊ <wee_alloc::size_classes::SizeClassAllocPolicy<'a> as wee_alloc::AllocPolicy>::min_cell_size::h6f746be886573355
+    24 ┊  0.85% ┊ ... and 12 more
+  1355 ┊ 48.10% ┊ Σ [22 Total Rows]

twiggy/tests/expectations/garbage_wee_alloc_top_10_json

@@ -0,0 +1 @@
+[{"name":"data[3]","bytes":1034,"size_percent":36.7057152999645},{"name":"<wee_alloc::size_classes::SizeClassAllocPolicy<'a> as wee_alloc::AllocPolicy>::new_cell_for_free_list::h3987e3054b8224e6","bytes":136,"size_percent":4.827831025914093},{"name":"<wee_alloc::LargeAllocPolicy as wee_alloc::AllocPolicy>::new_cell_for_free_list::h8f071b7bce0301ba","bytes":76,"size_percent":2.697905573304934},{"name":"data[1]","bytes":25,"size_percent":0.8874689385871495},{"name":"data[2]","bytes":25,"size_percent":0.8874689385871495},{"name":"elem[0]","bytes":12,"size_percent":0.42598509052183176},{"name":"type[0]","bytes":6,"size_percent":0.21299254526091588},{"name":"type[1]","bytes":6,"size_percent":0.21299254526091588},{"name":"<wee_alloc::LargeAllocPolicy as wee_alloc::AllocPolicy>::min_cell_size::hc7cee2a550987099","bytes":6,"size_percent":0.21299254526091588},{"name":"<wee_alloc::size_classes::SizeClassAllocPolicy<'a> as wee_alloc::AllocPolicy>::min_cell_size::h6f746be886573355","bytes":5,"size_percent":0.1774937877174299},{"name":"... and 12 more","bytes":24,"size_percent":0.8519701810436635},{"name":"Σ [22 Total Rows]","bytes":1355,"size_percent":48.1008164714235}]

twiggy/tests/tests.rs

@@ -429,6 +429,32 @@ test!(
     "2"
 );
 
+test!(garbage_wee_alloc_top_10, "garbage", "./fixtures/wee_alloc.wasm");
+
+test!(
+    garbage_wee_alloc_all,
+    "garbage",
+    "./fixtures/wee_alloc.wasm",
+    "-a"
+);
+
+test!(
+    garbage_wee_alloc_top_10_json,
+    "garbage",
+    "./fixtures/wee_alloc.wasm",
+    "-f",
+    "json"
+);
+
+test!(
+    garbage_wee_alloc_all_json,
+    "garbage",
+    "./fixtures/wee_alloc.wasm",
+    "-f",
+    "json",
+    "-a"
+);
+
 test!(
     monos_json,
     "monos",