BNFC-2.5.0: src/formats/cpp_stl/STLTop.hs
{-
BNF Converter: C++ Main file
Copyright (C) 2004 Author: Markus Forsberg, Michael Pellauer
Modified from CPPTop to STLTop 2006 by Aarne Ranta.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
module STLTop (makeSTL) where
import Utils
import CF
import CFtoSTLAbs
import CFtoFlex
import CFtoBisonSTL
import CFtoCVisitSkelSTL
import CFtoSTLPrinter
import CFtoLatex
import System.Exit (exitFailure)
import Data.Char
import STLUtils
import qualified Common.Makefile as Makefile
makeSTL :: Bool -> Bool -> Maybe String -> String -> CF -> IO ()
makeSTL make linenumbers inPackage name cf = do
let (hfile, cfile) = cf2CPPAbs linenumbers inPackage name cf
writeFileRep "Absyn.H" hfile
writeFileRep "Absyn.C" cfile
let (flex, env) = cf2flex inPackage name cf
writeFileRep (name ++ ".l") flex
putStrLn " (Tested with flex 2.5.31)"
let bison = cf2Bison linenumbers inPackage name cf env
writeFileRep (name ++ ".y") bison
putStrLn " (Tested with bison 1.875a)"
let header = mkHeaderFile inPackage cf (allCats cf) (allEntryPoints cf) env
writeFileRep "Parser.H" header
let (skelH, skelC) = cf2CVisitSkel inPackage cf
writeFileRep "Skeleton.H" skelH
writeFileRep "Skeleton.C" skelC
let (prinH, prinC) = cf2CPPPrinter inPackage cf
writeFileRep "Printer.H" prinH
writeFileRep "Printer.C" prinC
writeFileRep "Test.C" (cpptest inPackage cf)
let latex = cfToLatex name cf
writeFileRep (name ++ ".tex") latex
if make then (writeFileRep "Makefile" $ makefile name) else return ()
makefile :: String -> String
makefile name =
(unlines [ "CC = g++", "CCFLAGS = -g", "FLEX = flex", "BISON = bison" ] ++)
$ Makefile.mkRule "all" [ "Test" ++ name ]
[]
$ Makefile.mkRule "clean" []
-- peteg: don't nuke what we generated - move that to the "vclean" target.
[ "rm -f *.o " ++ name ++ ".dvi " ++ name ++ ".aux " ++ name ++ ".log "
, "rm -f " ++ name ++ ".pdf Test" ++ name ]
$ Makefile.mkRule "distclean" []
[ " rm -f *.o Absyn.C Absyn.H Test.C Parser.C Parser.H Lexer.C Skeleton.C Skeleton.H Printer.C Printer.H " ++ name ++ ".l " ++ name ++ ".y " ++ name ++ ".tex " ++ name ++ ".dvi " ++ name ++ ".aux " ++ name ++ ".log " ++ name ++ ".ps Test" ++ name ++ " Makefile" ]
$ Makefile.mkRule ("Test" ++ name) [ "Absyn.o", "Lexer.o",
"Parser.o", "Printer.o", "Test.o" ]
[ "@echo \"Linking Test" ++ name ++ "...\""
, "${CC} ${CCFLAGS} *.o -o Test" ++ name ]
$ Makefile.mkRule "Absyn.o" [ "Absyn.C", "Absyn.H" ]
[ "${CC} ${CCFLAGS} -c Absyn.C" ]
$ Makefile.mkRule "Lexer.C" [ name ++ ".l" ]
[ "${FLEX} -oLexer.C " ++ name ++ ".l" ]
$ Makefile.mkRule "Parser.C" [ name ++ ".y" ]
[ "${BISON} " ++ name ++ ".y -o Parser.C" ]
$ Makefile.mkRule "Lexer.o" [ "Lexer.C", "Parser.H" ]
[ "${CC} ${CCFLAGS} -c Lexer.C" ]
$ Makefile.mkRule "Parser.o" [ "Parser.C", "Absyn.H" ]
[ "${CC} ${CCFLAGS} -c Parser.C" ]
$ Makefile.mkRule "Printer.o" [ "Printer.C", "Printer.H", "Absyn.H" ]
[ "${CC} ${CCFLAGS} -c Printer.C" ]
$ Makefile.mkRule "Skeleton.o" [ "Skeleton.C", "Skeleton.H", "Absyn.H" ]
[ "${CC} ${CCFLAGS} -c Skeleton.C" ]
$ Makefile.mkRule "Test.o" [ "Test.C", "Parser.H", "Printer.H", "Absyn.H" ]
[ "${CC} ${CCFLAGS} -c Test.C" ]
$ Makefile.mkDoc name
""
cpptest :: Maybe String -> CF -> String
cpptest inPackage cf =
unlines
[
"/*** Compiler Front-End Test automatically generated by the BNF Converter ***/",
"/* */",
"/* This test will parse a file, print the abstract syntax tree, and then */",
"/* pretty-print the result. */",
"/* */",
"/****************************************************************************/",
"#include <stdio.h>",
"#include \"Parser.H\"",
"#include \"Printer.H\"",
"#include \"Absyn.H\"",
"",
"int main(int argc, char ** argv)",
"{",
" FILE *input;",
" if (argc > 1) ",
" {",
" input = fopen(argv[1], \"r\");",
" if (!input)",
" {",
" fprintf(stderr, \"Error opening input file.\\n\");",
" exit(1);",
" }",
" }",
" else input = stdin;",
" /* The default entry point is used. For other options see Parser.H */",
" " ++ scope ++ def ++ " *parse_tree = " ++ scope ++ "p" ++ def ++ "(input);",
" if (parse_tree)",
" {",
" printf(\"\\nParse Succesful!\\n\");",
" printf(\"\\n[Abstract Syntax]\\n\");",
" " ++ scope ++ "ShowAbsyn *s = new " ++ scope ++ "ShowAbsyn();",
" printf(\"%s\\n\\n\", s->show(parse_tree));",
" printf(\"[Linearized Tree]\\n\");",
" " ++ scope ++ "PrintAbsyn *p = new " ++ scope ++ "PrintAbsyn();",
" printf(\"%s\\n\\n\", p->print(parse_tree));",
" return 0;",
" }",
" return 1;",
"}",
""
]
where
def = head (allEntryPoints cf)
scope = nsScope inPackage
mkHeaderFile inPackage cf cats eps env = unlines
[
"#ifndef " ++ hdef,
"#define " ++ hdef,
"",
"#include<vector>",
"#include<string>",
"",
nsStart inPackage,
concatMap mkForwardDec cats,
"typedef union",
"{",
" int int_;",
" char char_;",
" double double_;",
" char* string_;",
(concatMap mkVar cats) ++ "} YYSTYPE;",
"",
concatMap mkFuncs eps,
nsEnd inPackage,
"",
"#define " ++ nsDefine inPackage "_ERROR_" ++ " 258",
mkDefines (259 :: Int) env,
"extern " ++ nsScope inPackage ++ "YYSTYPE " ++ nsString inPackage ++ "yylval;",
"",
"#endif"
]
where
hdef = nsDefine inPackage "PARSER_HEADER_FILE"
mkForwardDec s | (normCat s == s) = "class " ++ (identCat s) ++ ";\n"
mkForwardDec _ = ""
mkVar s | (normCat s == s) = " " ++ (identCat s) ++"*" +++ (map toLower (identCat s)) ++ "_;\n"
mkVar _ = ""
mkDefines n [] = mkString n
mkDefines n ((_,s):ss) = ("#define " ++ s +++ (show n) ++ "\n") ++ (mkDefines (n+1) ss) -- "nsDefine inPackage s" not needed (see cf2flex::makeSymEnv)
mkString n = if isUsedCat cf "String"
then ("#define " ++ nsDefine inPackage "_STRING_ " ++ show n ++ "\n") ++ mkChar (n+1)
else mkChar n
mkChar n = if isUsedCat cf "Char"
then ("#define " ++ nsDefine inPackage "_CHAR_ " ++ show n ++ "\n") ++ mkInteger (n+1)
else mkInteger n
mkInteger n = if isUsedCat cf "Integer"
then ("#define " ++ nsDefine inPackage "_INTEGER_ " ++ show n ++ "\n") ++ mkDouble (n+1)
else mkDouble n
mkDouble n = if isUsedCat cf "Double"
then ("#define " ++ nsDefine inPackage "_DOUBLE_ " ++ show n ++ "\n") ++ mkIdent(n+1)
else mkIdent n
mkIdent n = if isUsedCat cf "Ident"
then ("#define " ++ nsDefine inPackage "_IDENT_ " ++ show n ++ "\n")
else ""
mkFuncs s | (normCat s == s) = (identCat s) ++ "*" +++ "p" ++ (identCat s) ++ "(FILE *inp);\n" ++
(identCat s) ++ "*" +++ "p" ++ (identCat s) ++ "(const char *str);\n"
mkFuncs _ = ""