[gcmole] Fix source files pattern in GYP parsing.

The pattern of how our source files are listed in GYP files changed,
which in turn broke the parsing pattern that GCMole uses to gather a
list of files to check. Only 'cctest' file were checked, 'src' files
were being ignored.

R=cbruni@chromium.org

Review-Url: https://codereview.chromium.org/2065933002
Cr-Commit-Position: refs/heads/master@{#36962}

src/debug/liveedit.cc

@@ -1255,7 +1255,8 @@ void PatchPositionsInBytecodeArray(Handle<BytecodeArray> bytecode,
                         iterator.is_statement());
   }
 
-  bytecode->set_source_position_table(*builder.ToSourcePositionTable());
+  Handle<ByteArray> source_position_table = builder.ToSourcePositionTable();
+  bytecode->set_source_position_table(*source_position_table);
 }
 }  // namespace
 

tools/gcmole/gcmole.lua

@@ -184,26 +184,26 @@ end
 -- GYP file parsing
 
 local function ParseGYPFile()
-   local gyp = ""
-   local gyp_files = { "src/v8.gyp", "test/cctest/cctest.gyp" }
-   for i = 1, #gyp_files do
-      local f = assert(io.open(gyp_files[i]), "failed to open GYP file")
-      local t = f:read('*a')
-      gyp = gyp .. t
-      f:close()
-   end
-
    local result = {}
+   local gyp_files = {
+       { "src/v8.gyp",             "'([^']-%.cc)'",      "src/"         },
+       { "test/cctest/cctest.gyp", "'(test-[^']-%.cc)'", "test/cctest/" }
+   }
 
-   for condition, sources in
-      gyp:gmatch "'sources': %[.-### gcmole%((.-)%) ###(.-)%]" do
-      if result[condition] == nil then result[condition] = {} end
-      for file in sources:gmatch "'%.%./%.%./src/([^']-%.cc)'" do
-         table.insert(result[condition], "src/" .. file)
-      end
-      for file in sources:gmatch "'(test-[^']-%.cc)'" do
-         table.insert(result[condition], "test/cctest/" .. file)
+   for i = 1, #gyp_files do
+      local filename = gyp_files[i][1]
+      local pattern = gyp_files[i][2]
+      local prefix = gyp_files[i][3]
+      local gyp_file = assert(io.open(filename), "failed to open GYP file")
+      local gyp = gyp_file:read('*a')
+      for condition, sources in
+         gyp:gmatch "'sources': %[.-### gcmole%((.-)%) ###(.-)%]" do
+         if result[condition] == nil then result[condition] = {} end
+         for file in sources:gmatch(pattern) do
+            table.insert(result[condition], prefix .. file)
+         end
       end
+      gyp_file:close()
    end
 
    return result