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| author | Chris Lattner <sabre@nondot.org> | 2003-01-23 16:33:10 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-01-23 16:33:10 +0000 |
| commit | 6d131b4582d0940c3ca3525ebfc281a4b5144b68 (patch) | |
| tree | 2a256dee5a4e54dd1206802cf6db534698fbf6eb /Makefile.common | |
| parent | 6520785dcd22012535934098942d57c07c7631c2 (diff) | |
| download | llvm-6d131b4582d0940c3ca3525ebfc281a4b5144b68.tar.gz llvm-6d131b4582d0940c3ca3525ebfc281a4b5144b68.tar.bz2 llvm-6d131b4582d0940c3ca3525ebfc281a4b5144b68.tar.xz | |
Fix problem with flex scanners and huge token sizes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5410 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'Makefile.common')
| -rw-r--r-- | Makefile.common | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Makefile.common b/Makefile.common index 4d61ad7024..37cce15f70 100644 --- a/Makefile.common +++ b/Makefile.common @@ -467,8 +467,17 @@ YACC_OUTPUT = $(addprefix $(YACC_FILES:%.y=%), .h .cpp .output) # Create a .cpp source file from a flex input file... this uses sed to cut down # on the warnings emited by GCC... +# +# The last line is a gross hack to work around flex aparently not being able to +# resize the buffer on a large token input. Currently, for uninitialized string +# buffers in LLVM we can generate very long tokens, so this is a hack around it. +# FIXME. (f.e. char Buffer[10000]; ) +# %.cpp: %.l - flex -t $< | sed '/^find_rule/d' | sed 's/void yyunput/inline void yyunput/' | sed 's/void \*yy_flex_realloc/inline void *yy_flex_realloc/' > $@ + flex -t $< | sed '/^find_rule/d' | \ + sed 's/void yyunput/inline void yyunput/' | \ + sed 's/void \*yy_flex_realloc/inline void *yy_flex_realloc/' | \ + sed 's/#define YY_BUF_SIZE 16384/#define YY_BUF_SIZE (16384*64)/' > $@ # Rule for building the bison parsers... |