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authorKostis Sagonas <[email protected]>2010-11-07 18:32:17 +0200
committerBjörn Gustavsson <[email protected]>2010-11-09 14:59:12 +0100
commit5c1dd79d08e8725b408d11b17ceb99e80ec7cddb (patch)
treee79caa133c79b60939bd238c29d4928511fe8aa5 /bin
parent76378bb4a1a89d08b41d6f3df0edc6c26160bef7 (diff)
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dialyzer: Speed up analysis of nested list comprehensions
Nested list comprehensions are translated into strongly connected funs but dialyzer ignored this. This meant that self-recursive analysis was normally executed for each fun and the whole fixpoint took some time to calculate. This patch adds every fun found in constraint generation to the SCC that is under analysis and then solves the SCC as a whole. Possible issues: - The returned dict contains more entries than usual. This triggered a bug in contract checking that is dealt with is this patch as well (dialyzer_contracts.erl). - As it's not easy to tell apart real fun SCCs from simple funs it performance might be hampered in the simple funs case. While doing these changes, also added and strengthened some specs. In addition, incorporated a modified patch by Ahmed Omar that fixes a bug in dialyzer_analysis_callgraph module that kept the files of only one selected directory in dialyzer's GUI.
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