Support path mappings in JacocoLCOVFormatter
Addresses #12159 by adding support for an additional path format in the JacocoCoverageRunner's `-paths-for-coverage.txt` file which allows rule authors to provide either individual source paths or a new source to class path mapping: `srcPath///classPath`. This new format provides a means to handle cases where a source file's package hierarchy is different than the directory tree where it resides, which is fairly common in other JVM languages like Scala (see #12159 for examples).
Since `JacocoLCOVFormatter` still supports the old path format, this change should not affect any downstream users of `JacocoCoverageRunner`. The goal is just to provide a mechanism for libraries like `rules_scala` to be able to implement coverage support for source files with varying directory structures.
cc @comius @sjoerdvisscher @liucijus
Closes #12627.
PiperOrigin-RevId: 351757439
diff --git a/src/BUILD b/src/BUILD
index 6c55a33..e99b7ff 100644
--- a/src/BUILD
+++ b/src/BUILD
@@ -433,6 +433,7 @@
"//src/java_tools/buildjar:srcs",
"//src/java_tools/import_deps_checker:srcs",
"//src/java_tools/junitrunner:srcs",
+ "//src/java_tools/junitrunner/javatests/com/google/testing/coverage:srcs",
"//src/java_tools/singlejar:srcs",
"//src/main/cpp:srcs",
"//src/main/res:srcs",
