From: DJ Delorie Date: Wed, 12 May 1999 22:03:10 +0000 (+0000) Subject: * rclex.l: add code to suppress certain output from cpp, replace X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1a6247887990bfceaa81a38bc267a3cd2609f12c;p=binutils-gdb.git * rclex.l: add code to suppress certain output from cpp, replace all returns with MAYBE_RETURN (MAYBE_RETURN): new, implement the suppression by returning IGNORED_TOKEN as needed. (cpp_line): remember which file we're in, mark data from included *.h files for suppression. * rcparse.y (input): allow IGNORED_TOKEN outside of known constructs --- diff --git a/binutils/ChangeLog b/binutils/ChangeLog index f84ca5ca8bf..1b3fc9a17fc 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,13 @@ +1999-05-13 DJ Delorie + + * rclex.l: add code to suppress certain output from cpp, replace + all returns with MAYBE_RETURN + (MAYBE_RETURN): new, implement the suppression by returning + IGNORED_TOKEN as needed. + (cpp_line): remember which file we're in, mark data from included + *.h files for suppression. + * rcparse.y (input): allow IGNORED_TOKEN outside of known constructs + 1999-05-10 DJ Delorie * windres.c (quot): Quote shell metacharacters in a string diff --git a/binutils/rclex.l b/binutils/rclex.l index 06a66077f28..47b479b20b6 100644 --- a/binutils/rclex.l +++ b/binutils/rclex.l @@ -37,6 +37,23 @@ static int rcdata_mode; +/* Whether we are supressing lines from cpp (including windows.h or + headers from your C sources may bring in externs and typedefs). + When active, we return IGNORED_TOKEN, which lets us ignore these + outside of resource constructs. Thus, it isn't required to protect + all the non-preprocessor lines in your header files with #ifdef + RC_INVOKED. It also means your RC file can't include other RC + files if they're named "*.h". Sorry. Name them *.rch or whatever. */ + +static int suppress_cpp_data; + +#define MAYBE_RETURN(x) return suppress_cpp_data ? IGNORED_TOKEN : (x) + +/* The first filename we detect in the cpp output. We use this to + tell included files from the original file. */ + +static char *initial_fn; + /* List of allocated strings. */ struct alloc_string @@ -57,82 +74,82 @@ static char *get_string PARAMS ((int)); %% -"BEGIN" { return BEG; } -"{" { return BEG; } -"END" { return END; } -"}" { return END; } -"ACCELERATORS" { return ACCELERATORS; } -"VIRTKEY" { return VIRTKEY; } -"ASCII" { return ASCII; } -"NOINVERT" { return NOINVERT; } -"SHIFT" { return SHIFT; } -"CONTROL" { return CONTROL; } -"ALT" { return ALT; } -"BITMAP" { return BITMAP; } -"CURSOR" { return CURSOR; } -"DIALOG" { return DIALOG; } -"DIALOGEX" { return DIALOGEX; } -"EXSTYLE" { return EXSTYLE; } -"CAPTION" { return CAPTION; } -"CLASS" { return CLASS; } -"STYLE" { return STYLE; } -"AUTO3STATE" { return AUTO3STATE; } -"AUTOCHECKBOX" { return AUTOCHECKBOX; } -"AUTORADIOBUTTON" { return AUTORADIOBUTTON; } -"CHECKBOX" { return CHECKBOX; } -"COMBOBOX" { return COMBOBOX; } -"CTEXT" { return CTEXT; } -"DEFPUSHBUTTON" { return DEFPUSHBUTTON; } -"EDITTEXT" { return EDITTEXT; } -"GROUPBOX" { return GROUPBOX; } -"LISTBOX" { return LISTBOX; } -"LTEXT" { return LTEXT; } -"PUSHBOX" { return PUSHBOX; } -"PUSHBUTTON" { return PUSHBUTTON; } -"RADIOBUTTON" { return RADIOBUTTON; } -"RTEXT" { return RTEXT; } -"SCROLLBAR" { return SCROLLBAR; } -"STATE3" { return STATE3; } -"USERBUTTON" { return USERBUTTON; } -"BEDIT" { return BEDIT; } -"HEDIT" { return HEDIT; } -"IEDIT" { return IEDIT; } -"FONT" { return FONT; } -"ICON" { return ICON; } -"LANGUAGE" { return LANGUAGE; } -"CHARACTERISTICS" { return CHARACTERISTICS; } -"VERSION" { return VERSIONK; } -"MENU" { return MENU; } -"MENUEX" { return MENUEX; } -"MENUITEM" { return MENUITEM; } -"SEPARATOR" { return SEPARATOR; } -"POPUP" { return POPUP; } -"CHECKED" { return CHECKED; } -"GRAYED" { return GRAYED; } -"HELP" { return HELP; } -"INACTIVE" { return INACTIVE; } -"MENUBARBREAK" { return MENUBARBREAK; } -"MENUBREAK" { return MENUBREAK; } -"MESSAGETABLE" { return MESSAGETABLE; } -"RCDATA" { return RCDATA; } -"STRINGTABLE" { return STRINGTABLE; } -"VERSIONINFO" { return VERSIONINFO; } -"FILEVERSION" { return FILEVERSION; } -"PRODUCTVERSION" { return PRODUCTVERSION; } -"FILEFLAGSMASK" { return FILEFLAGSMASK; } -"FILEFLAGS" { return FILEFLAGS; } -"FILEOS" { return FILEOS; } -"FILETYPE" { return FILETYPE; } -"FILESUBTYPE" { return FILESUBTYPE; } -"VALUE" { return VALUE; } -"MOVEABLE" { return MOVEABLE; } -"FIXED" { return FIXED; } -"PURE" { return PURE; } -"IMPURE" { return IMPURE; } -"PRELOAD" { return PRELOAD; } -"LOADONCALL" { return LOADONCALL; } -"DISCARDABLE" { return DISCARDABLE; } -"NOT" { return NOT; } +"BEGIN" { MAYBE_RETURN (BEG); } +"{" { MAYBE_RETURN (BEG); } +"END" { MAYBE_RETURN (END); } +"}" { MAYBE_RETURN (END); } +"ACCELERATORS" { MAYBE_RETURN (ACCELERATORS); } +"VIRTKEY" { MAYBE_RETURN (VIRTKEY); } +"ASCII" { MAYBE_RETURN (ASCII); } +"NOINVERT" { MAYBE_RETURN (NOINVERT); } +"SHIFT" { MAYBE_RETURN (SHIFT); } +"CONTROL" { MAYBE_RETURN (CONTROL); } +"ALT" { MAYBE_RETURN (ALT); } +"BITMAP" { MAYBE_RETURN (BITMAP); } +"CURSOR" { MAYBE_RETURN (CURSOR); } +"DIALOG" { MAYBE_RETURN (DIALOG); } +"DIALOGEX" { MAYBE_RETURN (DIALOGEX); } +"EXSTYLE" { MAYBE_RETURN (EXSTYLE); } +"CAPTION" { MAYBE_RETURN (CAPTION); } +"CLASS" { MAYBE_RETURN (CLASS); } +"STYLE" { MAYBE_RETURN (STYLE); } +"AUTO3STATE" { MAYBE_RETURN (AUTO3STATE); } +"AUTOCHECKBOX" { MAYBE_RETURN (AUTOCHECKBOX); } +"AUTORADIOBUTTON" { MAYBE_RETURN (AUTORADIOBUTTON); } +"CHECKBOX" { MAYBE_RETURN (CHECKBOX); } +"COMBOBOX" { MAYBE_RETURN (COMBOBOX); } +"CTEXT" { MAYBE_RETURN (CTEXT); } +"DEFPUSHBUTTON" { MAYBE_RETURN (DEFPUSHBUTTON); } +"EDITTEXT" { MAYBE_RETURN (EDITTEXT); } +"GROUPBOX" { MAYBE_RETURN (GROUPBOX); } +"LISTBOX" { MAYBE_RETURN (LISTBOX); } +"LTEXT" { MAYBE_RETURN (LTEXT); } +"PUSHBOX" { MAYBE_RETURN (PUSHBOX); } +"PUSHBUTTON" { MAYBE_RETURN (PUSHBUTTON); } +"RADIOBUTTON" { MAYBE_RETURN (RADIOBUTTON); } +"RTEXT" { MAYBE_RETURN (RTEXT); } +"SCROLLBAR" { MAYBE_RETURN (SCROLLBAR); } +"STATE3" { MAYBE_RETURN (STATE3); } +"USERBUTTON" { MAYBE_RETURN (USERBUTTON); } +"BEDIT" { MAYBE_RETURN (BEDIT); } +"HEDIT" { MAYBE_RETURN (HEDIT); } +"IEDIT" { MAYBE_RETURN (IEDIT); } +"FONT" { MAYBE_RETURN (FONT); } +"ICON" { MAYBE_RETURN (ICON); } +"LANGUAGE" { MAYBE_RETURN (LANGUAGE); } +"CHARACTERISTICS" { MAYBE_RETURN (CHARACTERISTICS); } +"VERSION" { MAYBE_RETURN (VERSIONK); } +"MENU" { MAYBE_RETURN (MENU); } +"MENUEX" { MAYBE_RETURN (MENUEX); } +"MENUITEM" { MAYBE_RETURN (MENUITEM); } +"SEPARATOR" { MAYBE_RETURN (SEPARATOR); } +"POPUP" { MAYBE_RETURN (POPUP); } +"CHECKED" { MAYBE_RETURN (CHECKED); } +"GRAYED" { MAYBE_RETURN (GRAYED); } +"HELP" { MAYBE_RETURN (HELP); } +"INACTIVE" { MAYBE_RETURN (INACTIVE); } +"MENUBARBREAK" { MAYBE_RETURN (MENUBARBREAK); } +"MENUBREAK" { MAYBE_RETURN (MENUBREAK); } +"MESSAGETABLE" { MAYBE_RETURN (MESSAGETABLE); } +"RCDATA" { MAYBE_RETURN (RCDATA); } +"STRINGTABLE" { MAYBE_RETURN (STRINGTABLE); } +"VERSIONINFO" { MAYBE_RETURN (VERSIONINFO); } +"FILEVERSION" { MAYBE_RETURN (FILEVERSION); } +"PRODUCTVERSION" { MAYBE_RETURN (PRODUCTVERSION); } +"FILEFLAGSMASK" { MAYBE_RETURN (FILEFLAGSMASK); } +"FILEFLAGS" { MAYBE_RETURN (FILEFLAGS); } +"FILEOS" { MAYBE_RETURN (FILEOS); } +"FILETYPE" { MAYBE_RETURN (FILETYPE); } +"FILESUBTYPE" { MAYBE_RETURN (FILESUBTYPE); } +"VALUE" { MAYBE_RETURN (VALUE); } +"MOVEABLE" { MAYBE_RETURN (MOVEABLE); } +"FIXED" { MAYBE_RETURN (FIXED); } +"PURE" { MAYBE_RETURN (PURE); } +"IMPURE" { MAYBE_RETURN (IMPURE); } +"PRELOAD" { MAYBE_RETURN (PRELOAD); } +"LOADONCALL" { MAYBE_RETURN (LOADONCALL); } +"DISCARDABLE" { MAYBE_RETURN (DISCARDABLE); } +"NOT" { MAYBE_RETURN (NOT); } "BLOCK"[ \t\n]*"\""[^\#\n]*"\"" { char *s, *send; @@ -146,11 +163,11 @@ static char *get_string PARAMS ((int)); if (strncmp (s, "StringFileInfo", sizeof "StringFileInfo" - 1) == 0 && s + sizeof "StringFileInfo" - 1 == send) - return BLOCKSTRINGFILEINFO; + MAYBE_RETURN (BLOCKSTRINGFILEINFO); else if (strncmp (s, "VarFileInfo", sizeof "VarFileInfo" - 1) == 0 && s + sizeof "VarFileInfo" - 1 == send) - return BLOCKVARFILEINFO; + MAYBE_RETURN (BLOCKVARFILEINFO); else { char *r; @@ -159,7 +176,7 @@ static char *get_string PARAMS ((int)); strncpy (r, s, send - s); r[send - s] = '\0'; yylval.s = r; - return BLOCK; + MAYBE_RETURN (BLOCK); } } @@ -170,13 +187,13 @@ static char *get_string PARAMS ((int)); [0-9][x0-9A-Fa-f]*L { yylval.i.val = strtoul (yytext, 0, 0); yylval.i.dword = 1; - return NUMBER; + MAYBE_RETURN (NUMBER); } [0-9][x0-9A-Fa-f]* { yylval.i.val = strtoul (yytext, 0, 0); yylval.i.dword = 0; - return NUMBER; + MAYBE_RETURN (NUMBER); } ("\""[^\"\n]*"\""[ \t]*)+ { @@ -187,13 +204,13 @@ static char *get_string PARAMS ((int)); if (! rcdata_mode) { yylval.s = s; - return QUOTEDSTRING; + MAYBE_RETURN (QUOTEDSTRING); } else { yylval.ss.length = length; yylval.ss.s = s; - return SIZEDSTRING; + MAYBE_RETURN (SIZEDSTRING); } } @@ -209,12 +226,12 @@ static char *get_string PARAMS ((int)); s = get_string (strlen (yytext) + 1); strcpy (s, yytext); yylval.s = s; - return STRING; + MAYBE_RETURN (STRING); } [\n] { ++rc_lineno; } [ \t\r]+ { /* ignore whitespace */ } -. { return *yytext; } +. { MAYBE_RETURN (*yytext); } %% #ifndef yywrap @@ -263,6 +280,20 @@ cpp_line (s) free (rc_filename); rc_filename = fn; + + if (!initial_fn) + { + initial_fn = xmalloc (strlen (fn) + 1); + strcpy(initial_fn, fn); + } + + /* Allow the initial file, regardless of name. Suppress all other + files if they end in ".h" (this allows included "*.rc") */ + if (strcmp (initial_fn, fn) == 0 + || strcmp (fn + strlen (fn) - 2, ".h") != 0) + suppress_cpp_data = 0; + else + suppress_cpp_data = 1; } /* Handle a quoted string. The quotes are stripped. A pair of quotes diff --git a/binutils/rcparse.y b/binutils/rcparse.y index 67079a5fd81..03cbbdc5b67 100644 --- a/binutils/rcparse.y +++ b/binutils/rcparse.y @@ -122,6 +122,7 @@ static unsigned long class; %token QUOTEDSTRING STRING %token NUMBER %token SIZEDSTRING +%token IGNORED_TOKEN %type acc_entries %type acc_entry acc_event @@ -167,6 +168,7 @@ input: | input newcmd stringtable | input newcmd user | input newcmd versioninfo + | input newcmd IGNORED_TOKEN ; newcmd: