Merge topic 'regenerate-lexer-parser'

7a33cfc1bc regenerate-parsers.bash: Add script to automate parser generation
3d382a494f regenerate-lexers.bash: Add option to check timestamps
5cd9f5c965 regenerate-lexers.bash: Factor file names into variables

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2081
This commit is contained in:
Brad King
2018-05-16 15:53:49 +00:00
committed by Kitware Robot
2 changed files with 65 additions and 9 deletions

View File

@@ -2,6 +2,11 @@
set -e
forced=1
if [[ "${1}" = "make" ]]; then
forced=0
fi
pushd "${BASH_SOURCE%/*}/../../Source/LexerParser" > /dev/null
for lexer in \
@@ -10,23 +15,37 @@ for lexer in \
Expr \
Fortran
do
cxx_file=cm${lexer}Lexer.cxx
h_file=cm${lexer}Lexer.h
in_file=cm${lexer}Lexer.in.l
if [[ (${in_file} -nt ${cxx_file}) || (${in_file} -nt ${h_file}) || (${forced} -gt 0) ]]; then
echo "Generating Lexer ${lexer}"
flex --nounistd -DFLEXINT_H --noline --header-file=cm${lexer}Lexer.h -ocm${lexer}Lexer.cxx cm${lexer}Lexer.in.l
sed -i 's/\s*$//' cm${lexer}Lexer.h cm${lexer}Lexer.cxx # remove trailing whitespaces
sed -i '${/^$/d;}' cm${lexer}Lexer.h cm${lexer}Lexer.cxx # remove blank line at the end
sed -i '1i#include "cmStandardLexer.h"' cm${lexer}Lexer.cxx # add cmStandardLexer.h include
flex --nounistd -DFLEXINT_H --noline --header-file=${h_file} -o${cxx_file} ${in_file}
sed -i 's/\s*$//' ${h_file} ${cxx_file} # remove trailing whitespaces
sed -i '${/^$/d;}' ${h_file} ${cxx_file} # remove blank line at the end
sed -i '1i#include "cmStandardLexer.h"' ${cxx_file} # add cmStandardLexer.h include
else
echo "Skipped generating Lexer ${lexer}"
fi
done
# these lexers (at the moment only the ListFileLexer) are compiled as C and do not generate a header
for lexer in ListFile
do
c_file=cm${lexer}Lexer.c
in_file=cm${lexer}Lexer.in.l
echo "Generating Lexer ${lexer}"
flex --nounistd -DFLEXINT_H --noline -ocm${lexer}Lexer.c cm${lexer}Lexer.in.l
sed -i 's/\s*$//' cm${lexer}Lexer.c # remove trailing whitespaces
sed -i '${/^$/d;}' cm${lexer}Lexer.c # remove blank line at the end
sed -i '1i#include "cmStandardLexer.h"' cm${lexer}Lexer.c # add cmStandardLexer.h include
if [[ (${in_file} -nt ${c_file}) || (${forced} -gt 0) ]]; then
echo "Generating Lexer ${lexer}"
flex --nounistd -DFLEXINT_H --noline -o${c_file} ${in_file}
sed -i 's/\s*$//' ${c_file} # remove trailing whitespaces
sed -i '${/^$/d;}' ${c_file} # remove blank line at the end
sed -i '1i#include "cmStandardLexer.h"' ${c_file} # add cmStandardLexer.h include
else
echo "Skipped generating Lexer ${lexer}"
fi
done

View File

@@ -0,0 +1,37 @@
#!/usr/bin/env bash
set -e
forced=1
if [[ "${1}" = "make" ]]; then
forced=0
fi
pushd "${BASH_SOURCE%/*}/../../Source/LexerParser" > /dev/null
for parser in \
CommandArgument \
DependsJava \
Expr \
Fortran
do
in_file=cm${parser}Parser.y
cxx_file=cm${parser}Parser.cxx
h_file=cm${parser}ParserTokens.h
prefix=cm${parser}_yy
if [[ (${in_file} -nt ${cxx_file}) || (${in_file} -nt ${h_file}) || (${forced} -gt 0) ]]; then
echo "Generating Parser ${parser}"
bison --yacc --name-prefix=${prefix} --defines=${h_file} -o${cxx_file} ${in_file}
sed -i '/\/\* Else will try to reuse/ i\
#if 0
/^yyerrlab1:/ a\
#endif
' ${cxx_file}
else
echo "Skipped generating Parser ${parser}"
fi
done
popd > /dev/null