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C++: Use [,] more in general.
This commit is contained in:
Geoffrey White
@@ -8,168 +8,41 @@ import semmle.code.cpp.AutogeneratedFile
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predicate trivialPositiveIntValue(string s) {
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// Small numbers
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s = [0 .. 20].toString() or
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// Popular powers of two (decimal)
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s = "16" or
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s = "24" or
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s = "32" or
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s = "64" or
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s = "128" or
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s = "256" or
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s = "512" or
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s = "1024" or
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s = "2048" or
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s = "4096" or
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s = "16384" or
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s = "32768" or
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s = "65536" or
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s = "1048576" or
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s = "2147483648" or
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s = "4294967296" or
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// Popular powers of two, minus one (decimal)
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s = "15" or
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s = "31" or
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s = "63" or
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s = "127" or
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s = "255" or
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s = "511" or
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s = "1023" or
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s = "2047" or
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s = "4095" or
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s = "16383" or
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s = "32767" or
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s = "65535" or
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s = "1048577" or
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s = "2147483647" or
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s = "4294967295" or
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// Popular powers of two (32-bit hex)
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s = "0x00000001" or
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s = "0x00000002" or
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s = "0x00000004" or
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s = "0x00000008" or
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s = "0x00000010" or
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s = "0x00000020" or
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s = "0x00000040" or
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s = "0x00000080" or
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s = "0x00000100" or
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s = "0x00000200" or
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s = "0x00000400" or
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s = "0x00000800" or
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s = "0x00001000" or
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s = "0x00002000" or
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s = "0x00004000" or
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s = "0x00008000" or
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s = "0x00010000" or
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s = "0x00020000" or
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s = "0x00040000" or
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s = "0x00080000" or
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s = "0x00100000" or
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s = "0x00200000" or
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s = "0x00400000" or
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s = "0x00800000" or
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s = "0x01000000" or
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s = "0x02000000" or
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s = "0x04000000" or
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s = "0x08000000" or
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s = "0x10000000" or
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s = "0x20000000" or
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s = "0x40000000" or
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s = "0x80000000" or
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// Popular powers of two, minus one (32-bit hex)
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s = "0x00000001" or
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s = "0x00000003" or
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s = "0x00000007" or
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s = "0x0000000f" or
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s = "0x0000001f" or
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s = "0x0000003f" or
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s = "0x0000007f" or
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s = "0x000000ff" or
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s = "0x000001ff" or
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s = "0x000003ff" or
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s = "0x000007ff" or
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s = "0x00000fff" or
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s = "0x00001fff" or
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s = "0x00003fff" or
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s = "0x00007fff" or
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s = "0x0000ffff" or
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s = "0x0001ffff" or
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s = "0x0003ffff" or
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s = "0x0007ffff" or
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s = "0x000fffff" or
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s = "0x001fffff" or
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s = "0x003fffff" or
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s = "0x007fffff" or
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s = "0x00ffffff" or
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s = "0x01ffffff" or
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s = "0x03ffffff" or
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s = "0x07ffffff" or
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s = "0x0fffffff" or
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s = "0x1fffffff" or
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s = "0x3fffffff" or
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s = "0x7fffffff" or
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s = "0xffffffff" or
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// Popular powers of two (16-bit hex)
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s = "0x0001" or
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s = "0x0002" or
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s = "0x0004" or
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s = "0x0008" or
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s = "0x0010" or
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s = "0x0020" or
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s = "0x0040" or
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s = "0x0080" or
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s = "0x0100" or
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s = "0x0200" or
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s = "0x0400" or
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s = "0x0800" or
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s = "0x1000" or
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s = "0x2000" or
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s = "0x4000" or
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s = "0x8000" or
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// Popular powers of two, minus one (16-bit hex)
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s = "0x0001" or
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s = "0x0003" or
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s = "0x0007" or
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s = "0x000f" or
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s = "0x001f" or
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s = "0x003f" or
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s = "0x007f" or
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s = "0x00ff" or
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s = "0x01ff" or
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s = "0x03ff" or
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s = "0x07ff" or
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s = "0x0fff" or
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s = "0x1fff" or
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s = "0x3fff" or
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s = "0x7fff" or
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s = "0xffff" or
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// Popular powers of two (8-bit hex)
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s = "0x01" or
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s = "0x02" or
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s = "0x04" or
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s = "0x08" or
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s = "0x10" or
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s = "0x20" or
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s = "0x40" or
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s = "0x80" or
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// Popular powers of two, minus one (8-bit hex)
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s = "0x01" or
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s = "0x03" or
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s = "0x07" or
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s = "0x0f" or
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s = "0x1f" or
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s = "0x3f" or
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s = "0x7f" or
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s = "0xff" or
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s = "0x00" or
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// Powers of ten
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s = "10" or
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s = "100" or
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s = "1000" or
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s = "10000" or
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s = "100000" or
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s = "1000000" or
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s = "10000000" or
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s = "100000000" or
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s = "1000000000"
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s =
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[
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// Popular powers of two (decimal)
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"16", "24", "32", "64", "128", "256", "512", "1024", "2048", "4096", "16384", "32768",
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"65536", "1048576", "2147483648", "4294967296",
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// Popular powers of two, minus one (decimal)
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"15", "31", "63", "127", "255", "511", "1023", "2047", "4095", "16383", "32767", "65535",
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"1048577", "2147483647", "4294967295",
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// Popular powers of two (32-bit hex)
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"0x00000001", "0x00000002", "0x00000004", "0x00000008", "0x00000010", "0x00000020",
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"0x00000040", "0x00000080", "0x00000100", "0x00000200", "0x00000400", "0x00000800",
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"0x00001000", "0x00002000", "0x00004000", "0x00008000", "0x00010000", "0x00020000",
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"0x00040000", "0x00080000", "0x00100000", "0x00200000", "0x00400000", "0x00800000",
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"0x01000000", "0x02000000", "0x04000000", "0x08000000", "0x10000000", "0x20000000",
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"0x40000000", "0x80000000",
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// Popular powers of two, minus one (32-bit hex)
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"0x00000001", "0x00000003", "0x00000007", "0x0000000f", "0x0000001f", "0x0000003f",
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"0x0000007f", "0x000000ff", "0x000001ff", "0x000003ff", "0x000007ff", "0x00000fff",
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"0x00001fff", "0x00003fff", "0x00007fff", "0x0000ffff", "0x0001ffff", "0x0003ffff",
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"0x0007ffff", "0x000fffff", "0x001fffff", "0x003fffff", "0x007fffff", "0x00ffffff",
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"0x01ffffff", "0x03ffffff", "0x07ffffff", "0x0fffffff", "0x1fffffff", "0x3fffffff",
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"0x7fffffff", "0xffffffff",
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// Popular powers of two (16-bit hex)
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"0x0001", "0x0002", "0x0004", "0x0008", "0x0010", "0x0020", "0x0040", "0x0080", "0x0100",
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"0x0200", "0x0400", "0x0800", "0x1000", "0x2000", "0x4000", "0x8000",
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// Popular powers of two, minus one (16-bit hex)
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"0x0001", "0x0003", "0x0007", "0x000f", "0x001f", "0x003f", "0x007f", "0x00ff", "0x01ff",
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"0x03ff", "0x07ff", "0x0fff", "0x1fff", "0x3fff", "0x7fff", "0xffff",
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// Popular powers of two (8-bit hex)
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"0x01", "0x02", "0x04", "0x08", "0x10", "0x20", "0x40", "0x80",
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// Popular powers of two, minus one (8-bit hex)
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"0x01", "0x03", "0x07", "0x0f", "0x1f", "0x3f", "0x7f", "0xff", "0x00",
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// Powers of ten
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"10", "100", "1000", "10000", "100000", "1000000", "10000000", "100000000", "1000000000"
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]
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}
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predicate trivialIntValue(string s) {
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@@ -235,10 +108,7 @@ predicate joiningStringTrivial(Literal lit) {
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// understand (which is against the spirit of these queries).
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stringLiteral(lit) and
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exists(FunctionCall fc |
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(
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fc.getTarget().getName() = "operator+" or
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fc.getTarget().getName() = "operator<<"
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) and
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fc.getTarget().getName() = ["operator+", "operator<<"] and
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fc.getAnArgument().getAChild*() = lit
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) and
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lit.getValue().length() < 16
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@@ -291,7 +161,8 @@ predicate arrayInitializerChild(AggregateLiteral parent, Expr e) {
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// i.e. not a constant folded expression
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predicate literallyLiteral(Literal lit) {
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lit.getValueText()
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lit
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.getValueText()
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.regexpMatch(".*\".*|\\s*+[-+]?+\\s*+(0[xob][0-9a-fA-F]|[0-9])[0-9a-fA-F,._]*+([eE][-+]?+[0-9,._]*+)?+\\s*+[a-zA-Z]*+\\s*+")
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}
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