HackStudio: Support debugging library code

We can now step into library code in the debugger.

Since we now need the whole source code of our libraries
(and not just the headers), we clone the whole serenity git repo into
/usr/share/serenity.

1 files changed, 7 insertions, 1 deletions

diff --git a/Libraries/LibDebug/DebugInfo.cpp b/Libraries/LibDebug/DebugInfo.cpp
index 16ee6131e4..6d66ddae0f 100644
--- a/Libraries/LibDebug/DebugInfo.cpp
+++ b/Libraries/LibDebug/DebugInfo.cpp
@@ -146,8 +146,14 @@ Optional<DebugInfo::SourcePosition> DebugInfo::get_source_position(u32 target_ad
 
 Optional<u32> DebugInfo::get_instruction_from_source(const String& file, size_t line) const
 {
+    String file_path = file;
+    constexpr char SERENITY_LIBS_PREFIX[] = "/usr/src/serenity";
+    if (file.starts_with(SERENITY_LIBS_PREFIX)) {
+        file_path = file.substring(sizeof(SERENITY_LIBS_PREFIX), file.length() - sizeof(SERENITY_LIBS_PREFIX));
+        file_path = String::format("../%s", file_path.characters());
+    }
     for (const auto& line_entry : m_sorted_lines) {
-        if (line_entry.file == file && line_entry.line == line)
+        if (line_entry.file == file_path && line_entry.line == line)
             return Optional<u32>(line_entry.address);
     }
     return {};