Swift: add SuccessfullyExtractedLines query

redsun82 · redsun82 · commit 33b4d2d6531d · 2023-03-31T10:02:19.000+02:00
This counts how many lines we have extracted some entity in. If we test
changes in this, we can have a more fine grained look into how much we
actually extract than looking at the extracted files.
diff --git a/swift/ql/src/diagnostics/SuccessfullyExtractedLines.ql b/swift/ql/src/diagnostics/SuccessfullyExtractedLines.ql
@@ -0,0 +1,15 @@
+/**
+ * @name Successfully extracted lines
+ * @description Count all lines in source code in which something was extracted.
+ * @kind metric
+ * @id swift/diagnostics/successfully-extracted-lines
+ * @tags summary
+ */
+
+import swift
+
+select count(File f, int line |
+    exists(Location loc |
+      not loc instanceof UnknownLocation and loc.getFile() = f and loc.getStartLine() = line
+    )
+  )
diff --git a/swift/ql/test/query-tests/Diagnostics/SuccessfullyExtractedLines.expected b/swift/ql/test/query-tests/Diagnostics/SuccessfullyExtractedLines.expected
@@ -0,0 +1 @@
+| 4 |
diff --git a/swift/ql/test/query-tests/Diagnostics/SuccessfullyExtractedLines.qlref b/swift/ql/test/query-tests/Diagnostics/SuccessfullyExtractedLines.qlref
@@ -0,0 +1 @@
+diagnostics/SuccessfullyExtractedLines.ql
diff --git a/swift/ql/test/query-tests/Diagnostics/ignored.swift b/swift/ql/test/query-tests/Diagnostics/ignored.swift
@@ -0,0 +1,3 @@
+//codeql-extractor-env: CODEQL_EXTRACTOR_SWIFT_RUN_UNDER=true
+
+func not_compiled() {}
diff --git a/swift/ql/test/query-tests/Diagnostics/main.swift b/swift/ql/test/query-tests/Diagnostics/main.swift
@@ -0,0 +1,6 @@
+
+
+// a comment
+
+
+func foo() {}

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+diagnostics/SuccessfullyExtractedLines.ql`
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+//codeql-extractor-env: CODEQL_EXTRACTOR_SWIFT_RUN_UNDER=true`
	`2`	`+`
	`3`	`+func not_compiled() {}`
-Original file line number
+Diff line change
@@ @@ -0,0 +1,6 @@ @@
++
++
 +// a comment
++
++
 +func foo() {}