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-rw-r--r--cpp/src/Slice/Scanner.l2
1 files changed, 2 insertions, 0 deletions
diff --git a/cpp/src/Slice/Scanner.l b/cpp/src/Slice/Scanner.l
index 2a0be3d8c5f..1c00d815e6e 100644
--- a/cpp/src/Slice/Scanner.l
+++ b/cpp/src/Slice/Scanner.l
@@ -51,6 +51,8 @@ int checkKeyword(string&);
%option noyywrap
%option never-interactive
+%option prefix="slice_"
+%option outfile="lex.yy.c"
identifier \\?[[:alpha:]_][[:alnum:]_]*
integer_constant (\+|-)?((0[0-7]+)|(0x[[:xdigit:]]+)|([[:digit:]]+))