[llvm] 43afba0 - [gn build] sync script: try to make a loop clearer

Nico Weber via llvm-commits llvm-commits at lists.llvm.org
Wed Nov 25 18:19:35 PST 2020


Author: Nico Weber
Date: 2020-11-25T21:16:22-05:00
New Revision: 43afba0677d4630ee6a35308a4b227144b8f1d42

URL: https://github.com/llvm/llvm-project/commit/43afba0677d4630ee6a35308a4b227144b8f1d42
DIFF: https://github.com/llvm/llvm-project/commit/43afba0677d4630ee6a35308a4b227144b8f1d42.diff

LOG: [gn build] sync script: try to make a loop clearer

We want to find 'sources = [', but only if it's not the prefix
of 'sources = []' -- we're looking for a non-empty list.

No behavior change.

Added: 
    

Modified: 
    llvm/utils/gn/build/sync_source_lists_from_cmake.py

Removed: 
    


################################################################################
diff  --git a/llvm/utils/gn/build/sync_source_lists_from_cmake.py b/llvm/utils/gn/build/sync_source_lists_from_cmake.py
index 5c96fd7263f4..912cf37c7e54 100755
--- a/llvm/utils/gn/build/sync_source_lists_from_cmake.py
+++ b/llvm/utils/gn/build/sync_source_lists_from_cmake.py
@@ -29,8 +29,7 @@ def patch_gn_file(gn_file, add, remove):
     if add:
         srcs_tok = 'sources = ['
         tokloc = gn_contents.find(srcs_tok)
-        while tokloc != -1 and tokloc + len(srcs_tok) < len(gn_contents) and \
-                gn_contents[tokloc + len(srcs_tok)] == ']':
+        while gn_contents[tokloc:].startswith('sources = []'):
             tokloc = gn_contents.find(srcs_tok, tokloc + 1)
         if tokloc == -1: raise ValueError(gn_file + ': No source list')
         if gn_contents.find(srcs_tok, tokloc + 1) != -1:


        


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