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-rw-r--r--benchmarks/20240314-0030.log4
-rw-r--r--src/Execution/Stack.php17
-rw-r--r--traces/20240314-0030.stderr.log8
3 files changed, 27 insertions, 2 deletions
diff --git a/benchmarks/20240314-0030.log b/benchmarks/20240314-0030.log
new file mode 100644
index 0000000..9ab0496
--- /dev/null
+++ b/benchmarks/20240314-0030.log
@@ -0,0 +1,4 @@
+Benchmark 1: make run
+ Time (mean ± σ): 4.500 s ± 0.060 s [User: 4.418 s, System: 0.082 s]
+ Range (min … max): 4.427 s … 4.598 s 10 runs
+
diff --git a/src/Execution/Stack.php b/src/Execution/Stack.php
index 396cb29..a96a875 100644
--- a/src/Execution/Stack.php
+++ b/src/Execution/Stack.php
@@ -13,6 +13,8 @@ final class Stack
*/
private array $frames = [];
+ private ?Frame $currentFrame = null;
+
/**
* @param list<int|float|Ref|Frame|Label> $entries
*/
@@ -25,6 +27,7 @@ final class Stack
{
$this->push($frame);
$this->frames[] = $frame;
+ $this->currentFrame = $frame;
}
public function pushLabel(Label $label): void
@@ -62,6 +65,11 @@ final class Stack
$result = $this->pop();
assert($result instanceof Frame);
array_pop($this->frames);
+ if (count($this->frames) === 0) {
+ $this->currentFrame = null;
+ } else {
+ $this->currentFrame = end($this->frames);
+ }
return $result;
}
@@ -137,6 +145,11 @@ final class Stack
}
}
array_pop($this->frames);
+ if (count($this->frames) === 0) {
+ $this->currentFrame = null;
+ } else {
+ $this->currentFrame = end($this->frames);
+ }
}
public function top(): int|float|Ref|Frame|Label|null
@@ -157,8 +170,8 @@ final class Stack
public function currentFrame(): Frame
{
- assert(count($this->frames) !== 0);
- return $this->frames[count($this->frames) - 1];
+ assert($this->currentFrame !== null);
+ return $this->currentFrame;
}
private function push(int|float|Ref|Frame|Label $entry): void
diff --git a/traces/20240314-0030.stderr.log b/traces/20240314-0030.stderr.log
new file mode 100644
index 0000000..dae98f4
--- /dev/null
+++ b/traces/20240314-0030.stderr.log
@@ -0,0 +1,8 @@
+Decoding...
+Instantiating...
+Executing...
+
+Exit code: 0
+Memory peak usage: 195983240
+
+