/*
* genmk -- a program to make makefiles for PCCTS
*
* ANTLR 1.32
* Terence John Parr 1989 - 1994
* Purdue University
* U of MN
*/
#include <stdio.h>
#include "config.h" /* be sensitive to what ANTLR/DLG call the files */
#ifdef VAXC
#define DIE return 0;
#define DONE return 1;
#else
#define DIE return 1;
#define DONE return 0;
#endif
#ifndef require
#define require(expr, err) {if ( !(expr) ) fatal(err);}
#endif
#define MAX_FILES 50
#define MAX_CLASSES 50
char *RENAME_OBJ_FLAG="-o",
*RENAME_EXE_FLAG="-o";
char *dlg = "parser.dlg";
char *err = "err.c";
char *hdr = "stdpccts.h";
char *tok = "tokens.h";
char *mode = "mode.h";
char *scan = "scan";
char ATOKENBUFFER_O[100];
char APARSER_O[100];
char ASTBASE_O[100];
char PCCTSAST_O[100];
char LIST_O[100];
char DLEXERBASE_O[100];
/* Option flags */
static char *project="t", *files[MAX_FILES], *classes[MAX_CLASSES];
static int num_files = 0;
static int num_classes = 0;
static int user_lexer = 0;
static char *user_token_types = NULL;
static int gen_CPP = 0;
static char *outdir=".";
static char *dlg_class = "DLGLexer";
static int gen_trees = 0;
typedef struct _Opt {
char *option;
int arg;
#ifdef __cplusplus
void (*process)(...);
#else
void (*process)();
#endif
char *descr;
} Opt;
#ifdef __STDC__
static void ProcessArgs(int, char **, Opt *);
#else
static void ProcessArgs();
#endif
static void
pProj( s, t )
char *s;
char *t;
{
project = t;
}
static void
pUL( s )
char *s;
{
user_lexer = 1;
}
static void
pCPP( s )
char *s;
{
gen_CPP = 1;
}
static void
pUT( s, t )
char *s;
char *t;
{
user_token_types = t;
}
static void
pTrees( s )
char *s;
{
gen_trees = 1;
}
static void
#ifdef __STDC__
pFile( char *s )
#else
pFile( s )
char *s;
#endif
{
if ( *s=='-' )
{
fprintf(stderr, "invalid option: '%s'; ignored...",s);
return;
}
require(num_files<MAX_FILES, "exceeded max # of input files");
files[num_files++] = s;
}
static void
#ifdef __STDC__
pClass( char *s, char *t )
#else
pClass( s, t )
char *s;
char *t;
#endif
{
require(num_classes<MAX_CLASSES, "exceeded max # of grammar classes");
classes[num_classes++] = t;
}
static void
#ifdef __STDC__
pDLGClass( char *s, char *t )
#else
pDLGClass( s, t )
char *s;
char *t;
#endif
{
if ( !gen_CPP ) {
fprintf(stderr, "-dlg-class makes no sense without C++ mode; ignored...");
}
else dlg_class = t;
}
static void
#ifdef __STDC__
pOdir( char *s, char *t )
#else
pOdir( s, t )
char *s;
char *t;
#endif
{
outdir = t;
}
static void
#ifdef __STDC__
pHdr( char *s, char *t )
#else
pHdr( s, t )
char *s;
char *t;
#endif
{
hdr = t;
}
Opt options[] = {
{ "-CC", 0, pCPP, "Generate C++ output"},
{ "-class", 1, pClass, "Name of a grammar class defined in grammar (if C++)"},
{ "-dlg-class", 1,pDLGClass,"Name of DLG lexer class (default=DLGLexer) (if C++)"},
{ "-header", 1,pHdr, "Name of ANTLR standard header info (default=no file)"},
{ "-o", 1, pOdir, "Directory where output files should go (default=\".\")"},
{ "-project", 1, pProj, "Name of executable to create (default=t)"},
{ "-token-types", 1, pUT, "Token types are in this file (don't use tokens.h)"},
{ "-trees", 0, pTrees, "Generate ASTs"},
{ "-user-lexer", 0, pUL, "Do not create a DLG-based scanner"},
{ "*", 0, pFile, "" }, /* anything else is a file */
{ NULL, 0, NULL, NULL }
};
extern char *DIR();
main(argc, argv)
int argc;
char **argv;
{
if ( argc == 1 ) { help(); DIE; }
ProcessArgs(argc-1, &(argv[1]), options);
strcpy(ATOKENBUFFER_O, ATOKENBUFFER_C);
ATOKENBUFFER_O[strlen(ATOKENBUFFER_C)-strlen(CPP_FILE_SUFFIX)] = '\0';
strcat(ATOKENBUFFER_O, OBJ_FILE_SUFFIX);
strcpy(APARSER_O, APARSER_C);
APARSER_O[strlen(APARSER_O)-strlen(CPP_FILE_SUFFIX)] = '\0';
strcat(APARSER_O, OBJ_FILE_SUFFIX);
strcpy(ASTBASE_O, ASTBASE_C);
ASTBASE_O[strlen(ASTBASE_C)-strlen(CPP_FILE_SUFFIX)] = '\0';
strcat(ASTBASE_O, OBJ_FILE_SUFFIX);
strcpy(PCCTSAST_O, PCCTSAST_C);
PCCTSAST_O[strlen(PCCTSAST_C)-strlen(CPP_FILE_SUFFIX)] = '\0';
strcat(PCCTSAST_O, OBJ_FILE_SUFFIX);
strcpy(LIST_O, LIST_C);
LIST_O[strlen(LIST_C)-strlen(CPP_FILE_SUFFIX)] = '\0';
strcat(LIST_O, OBJ_FILE_SUFFIX);
strcpy(DLEXERBASE_O, DLEXERBASE_C);
DLEXERBASE_O[strlen(DLEXERBASE_C)-strlen(CPP_FILE_SUFFIX)] = '\0';
strcat(DLEXERBASE_O, OBJ_FILE_SUFFIX);
if ( num_files == 0 ) fatal("no grammar files specified; exiting...");
if ( !gen_CPP && num_classes>0 ) {
warn("can't define classes w/o C++ mode; turning on C++ mode...\n");
gen_CPP=1;
}
if ( gen_CPP && num_classes==0 ) {
fatal("must define classes >0 grammar classes in C++ mode\n");
}
mk(project, files, num_files, argc, argv);
DONE;
}
help()
{
Opt *p = options;
static char buf[1000+1];
fprintf(stderr, "genmk [options] f1.g ... fn.g\n");
while ( p->option!=NULL && *(p->option) != '*' )
{
buf[0]='\0';
if ( p->arg ) sprintf(buf, "%s ___", p->option);
else strcpy(buf, p->option);
fprintf(stderr, "\t%-16s %s\n", buf, p->descr);
p++;
}
}
mk(project, files, n, argc, argv)
char *project;
char **files;
int n;
int argc;
char **argv;
{
int i;
printf("#\n");
printf("# PCCTS makefile for: ");
pfiles(files, n, NULL);
printf("\n");
printf("#\n");
printf("# Created from:");
for (i=0; i<argc; i++) printf(" %s", argv[i]);
printf("\n");
printf("#\n");
printf("# PCCTS release 1.32\n");
printf("# Project: %s\n", project);
if ( gen_CPP ) printf("# C++ output\n");
else printf("# C output\n");
if ( user_lexer ) printf("# User-defined scanner\n");
else printf("# DLG scanner\n");
if ( user_token_types!=NULL ) printf("# User-defined token types in '%s'\n", user_token_types);
else printf("# ANTLR-defined token types\n");
printf("#\n");
if ( user_token_types!=NULL ) {
printf("# Make sure #tokdefs directive in ANTLR grammar lists this file:\n");
printf("TOKENS = %s", user_token_types);
}
else printf("TOKENS = %stokens.h", DIR());
printf("\n");
printf("#\n");
printf("# The following filenames must be consistent with ANTLR/DLG flags\n");
printf("DLG_FILE = %s%s\n", DIR(), dlg);
printf("ERR = %serr\n", DIR());
if ( strcmp(hdr,"stdpccts.h")!=0 ) printf("HDR_FILE = %s%s\n", DIR(), hdr);
else printf("HDR_FILE =\n");
if ( !gen_CPP ) printf("MOD_FILE = %s%s\n", DIR(), mode);
if ( !gen_CPP ) printf("SCAN = %s\n", scan);
else printf("SCAN = %s%s\n", DIR(), dlg_class);
printf("PCCTS = .\n");
printf("ANTLR_H = $(PCCTS)%sh\n", DirectorySymbol);
printf("BIN = $(PCCTS)%sbin\n", DirectorySymbol);
printf("ANTLR = $(BIN)%santlr\n", DirectorySymbol);
printf("DLG = $(BIN)%sdlg\n", DirectorySymbol);
printf("CFLAGS = -I. -I$(ANTLR_H)");
if ( strcmp(outdir, ".")!=0 ) printf(" -I%s", outdir);
printf("\n");
printf("AFLAGS =");
if ( strcmp(outdir,".")!=0 ) printf(" -o %s", outdir);
if ( user_lexer ) printf(" -gx");
if ( gen_CPP ) printf(" -CC");
if ( strcmp(hdr,"stdpccts.h")!=0 ) printf(" -gh %s", hdr);
if ( gen_trees ) printf(" -gt");
printf("\n");
printf("DFLAGS = -C2 -i");
if ( gen_CPP ) printf(" -CC");
if ( strcmp(dlg_class,"DLGLexer")!=0 ) printf(" -cl %s", dlg_class);
if ( strcmp(outdir,".")!=0 ) printf(" -o %s", outdir);
printf("\n");
printf("GRM = ");
pfiles(files, n, NULL);
printf("\n");
printf("SRC = ");
if ( gen_CPP ) pfiles(files, n, CPP_FILE_SUFFIX_NO_DOT);
else pfiles(files, n, "c");
if ( gen_CPP ) {
printf(" \\\n ");
printf(" ");
pclasses(classes, num_classes, CPP_FILE_SUFFIX_NO_DOT);
printf(" \\\n ");
printf("$(ANTLR_H)%s%s", DirectorySymbol, APARSER_C);
if ( !user_lexer ) printf(" $(ANTLR_H)%s%s", DirectorySymbol, DLEXERBASE_C);
if ( gen_trees ) {
printf(" \\\n ");
printf("$(ANTLR_H)%s%s", DirectorySymbol, ASTBASE_C);
printf(" $(ANTLR_H)%s%s", DirectorySymbol, PCCTSAST_C);
/* printf(" $(ANTLR_H)%s%s", DirectorySymbol, LIST_C); */
printf(" \\\n ");
}
printf(" $(ANTLR_H)%s%s", DirectorySymbol, ATOKENBUFFER_C);
}
if ( !user_lexer ) {
if ( gen_CPP ) printf(" $(SCAN)%s", CPP_FILE_SUFFIX);
else printf(" %s$(SCAN).c", DIR());
}
if ( !gen_CPP ) printf(" $(ERR).c");
printf("\n");
printf("OBJ = ");
pfiles(files, n, "o");
if ( gen_CPP ) {
printf(" \\\n ");
printf(" ");
pclasses(classes, num_classes, "o");
printf(" \\\n ");
printf(" %s%s", DIR(), APARSER_O);
if ( !user_lexer ) {
printf(" %s%s", DIR(), DLEXERBASE_O);
}
if ( gen_trees ) {
printf(" \\\n ");
printf("%s%s", DIR(), ASTBASE_O);
printf(" %s%s", DIR(), PCCTSAST_O);
/* printf(" %s%s", DIR(), LIST_O); */
printf(" \\\n ");
}
printf(" %s%s", DIR(), ATOKENBUFFER_O);
}
if ( !user_lexer ) {
if ( gen_CPP ) printf(" $(SCAN)%s", OBJ_FILE_SUFFIX);
else printf(" %s$(SCAN)%s", DIR(), OBJ_FILE_SUFFIX);
}
if ( !gen_CPP ) printf(" $(ERR)%s", OBJ_FILE_SUFFIX);
printf("\n");
printf("ANTLR_SPAWN = ");
if ( gen_CPP ) pfiles(files, n, CPP_FILE_SUFFIX_NO_DOT);
else pfiles(files, n, "c");
if ( gen_CPP ) {
printf(" ");
pclasses(classes, num_classes, CPP_FILE_SUFFIX_NO_DOT);
printf(" \\\n ");
pclasses(classes, num_classes, "h");
if ( strcmp(hdr,"stdpccts.h")!=0 ) {
printf(" \\\n ");
printf("$(HDR_FILE) stdpccts.h");
}
}
if ( user_lexer ) {
if ( !user_token_types ) printf(" $(TOKENS)");
}
else {
printf(" $(DLG_FILE)");
if ( !user_token_types ) printf(" $(TOKENS)");
}
if ( !gen_CPP ) printf(" $(ERR).c");
printf("\n");
if ( !user_lexer ) {
if ( gen_CPP ) printf("DLG_SPAWN = $(SCAN)%s", CPP_FILE_SUFFIX);
else printf("DLG_SPAWN = %s$(SCAN).c", DIR());
if ( gen_CPP ) printf(" $(SCAN).h");
if ( !gen_CPP ) printf(" $(MOD_FILE)");
printf("\n");
}
if ( gen_CPP ) {
printf("#CCC=g++\n");
printf("CC=$(CCC)\n");
}
else printf("#CC=cc\n");
/* set up dependencies */
printf("\n%s : $(OBJ) $(SRC)\n", project);
printf(" %s %s %s $(CFLAGS) $(OBJ)\n",
gen_CPP?"$(CCC)":"$(CC)",
RENAME_EXE_FLAG,
project);
printf("\n");
/* how to compile parser files */
for (i=0; i<num_files; i++)
{
pfiles(&files[i], 1, "o");
if ( user_lexer ) {
printf(" : $(TOKENS)");
}
else {
if ( gen_CPP ) printf(" : $(TOKENS) $(SCAN).h");
else printf(" : $(MOD_FILE) $(TOKENS)");
}
printf(" ");
if ( gen_CPP ) pfiles(&files[i], 1, CPP_FILE_SUFFIX_NO_DOT);
else pfiles(&files[i], 1, "c");
if ( gen_CPP && strcmp(hdr,"stdpccts.h")!=0 ) printf(" $(HDR_FILE)");
printf("\n");
printf(" %s -c $(CFLAGS) %s ",gen_CPP?"$(CCC)":"$(CC)",RENAME_OBJ_FLAG);
pfiles(&files[i], 1, "o");
printf(" ");
if ( gen_CPP ) pfiles(&files[i], 1, CPP_FILE_SUFFIX_NO_DOT);
else pfiles(&files[i], 1, "c");
printf("\n\n");
}
/* how to compile err.c */
if ( !gen_CPP ) {
printf("$(ERR)%s : $(ERR).c", OBJ_FILE_SUFFIX);
if ( !user_lexer ) printf(" $(TOKENS)");
printf("\n");
printf(" %s -c $(CFLAGS) %s $(ERR)%s $(ERR).c",
gen_CPP?"$(CCC)":"$(CC)",
RENAME_OBJ_FLAG,
OBJ_FILE_SUFFIX);
printf("\n\n");
}
/* how to compile Class.c */
for (i=0; i<num_classes; i++)
{
pclasses(&classes[i], 1, "o");
if ( user_lexer ) {
printf(" : $(TOKENS)");
}
else {
printf(" : $(TOKENS) $(SCAN).h");
}
printf(" ");
pclasses(&classes[i], 1, CPP_FILE_SUFFIX_NO_DOT);
printf(" ");
pclasses(&classes[i], 1, "h");
if ( gen_CPP && strcmp(hdr,"stdpccts.h")!=0 ) printf(" $(HDR_FILE)");
printf("\n");
printf(" %s -c $(CFLAGS) %s ",
gen_CPP?"$(CCC)":"$(CC)",
RENAME_OBJ_FLAG);
pclasses(&classes[i], 1, "o");
printf(" ");
pclasses(&classes[i], 1, CPP_FILE_SUFFIX_NO_DOT);
printf("\n\n");
}
/* how to compile scan.c */
if ( !user_lexer ) {
if ( gen_CPP ) printf("$(SCAN)%s : $(SCAN)%s", OBJ_FILE_SUFFIX, CPP_FILE_SUFFIX);
else printf("%s$(SCAN)%s : %s$(SCAN).c", DIR(), OBJ_FILE_SUFFIX, DIR());
if ( !user_lexer ) printf(" $(TOKENS)");
printf("\n");
if ( gen_CPP ) printf(" $(CCC) -c $(CFLAGS) %s $(SCAN)%s $(SCAN)%s",
RENAME_OBJ_FLAG,
OBJ_FILE_SUFFIX,
CPP_FILE_SUFFIX);
else printf(" $(CC) -c $(CFLAGS) %s %s$(SCAN)%s %s$(SCAN).c",
RENAME_OBJ_FLAG,
DIR(),
OBJ_FILE_SUFFIX,
DIR());
printf("\n\n");
}
printf("$(ANTLR_SPAWN) : $(GRM)\n");
printf(" $(ANTLR) $(AFLAGS) $(GRM)\n");
if ( !user_lexer )
{
printf("\n");
printf("$(DLG_SPAWN) : $(DLG_FILE)\n");
if ( gen_CPP ) printf(" $(DLG) $(DFLAGS) $(DLG_FILE)\n");
else printf(" $(DLG) $(DFLAGS) $(DLG_FILE) $(SCAN).c\n");
}
/* do the makes for ANTLR/DLG support */
if ( gen_CPP ) {
printf("\n");
printf("%s%s : $(ANTLR_H)%s%s\n", DIR(), APARSER_O, DirectorySymbol, APARSER_C);
printf(" %s -c $(CFLAGS) %s ",
gen_CPP?"$(CCC)":"$(CC)",
RENAME_OBJ_FLAG);
printf("%s%s $(ANTLR_H)%s%s\n", DIR(), APARSER_O, DirectorySymbol, APARSER_C);
printf("\n");
printf("%s%s : $(ANTLR_H)%s%s\n", DIR(), ATOKENBUFFER_O, DirectorySymbol, ATOKENBUFFER_C);
printf(" %s -c $(CFLAGS) %s ",
gen_CPP?"$(CCC)":"$(CC)",
RENAME_OBJ_FLAG);
printf("%s%s $(ANTLR_H)%s%s\n", DIR(), ATOKENBUFFER_O, DirectorySymbol, ATOKENBUFFER_C);
if ( !user_lexer ) {
printf("\n");
printf("%s%s : $(ANTLR_H)%s%s\n", DIR(), DLEXERBASE_O, DirectorySymbol, DLEXERBASE_C);
printf(" %s -c $(CFLAGS) %s ",
gen_CPP?"$(CCC)":"$(CC)",
RENAME_OBJ_FLAG);
printf("%s%s $(ANTLR_H)%s%s\n", DIR(), DLEXERBASE_O, DirectorySymbol, DLEXERBASE_C);
}
if ( gen_trees ) {
printf("\n");
printf("%s%s : $(ANTLR_H)%s%s\n", DIR(), ASTBASE_O, DirectorySymbol, ASTBASE_C);
printf(" %s -c $(CFLAGS) %s ",
gen_CPP?"$(CCC)":"$(CC)",
RENAME_OBJ_FLAG);
printf("%s%s $(ANTLR_H)%s%s\n", DIR(), ASTBASE_O, DirectorySymbol, ASTBASE_C);
printf("\n");
printf("%s%s : $(ANTLR_H)%s%s\n", DIR(), PCCTSAST_O, DirectorySymbol, PCCTSAST_C);
printf(" %s -c $(CFLAGS) %s ",
gen_CPP?"$(CCC)":"$(CC)",
RENAME_OBJ_FLAG);
printf("%s%s $(ANTLR_H)%s%s\n", DIR(), PCCTSAST_O, DirectorySymbol, PCCTSAST_C);
printf("\n");
/*
printf("%s%s : $(ANTLR_H)%s%s\n", DIR(), LIST_O, DirectorySymbol, LIST_C);
printf(" %s -c $(CFLAGS) %s ",
gen_CPP?"$(CCC)":"$(CC)",RENAME_OBJ_FLAG);
printf("%s%s $(ANTLR_H)%s%s\n", DIR(), LIST_O, DirectorySymbol, LIST_C);
*/
}
}
/* clean and scrub targets */
printf("\nclean:\n");
printf(" rm -f *%s core %s", OBJ_FILE_SUFFIX, project);
if ( strcmp(outdir, ".")!=0 ) printf(" %s*%s", DIR(), OBJ_FILE_SUFFIX);
printf("\n");
printf("\nscrub:\n");
printf(" rm -f *%s core %s", OBJ_FILE_SUFFIX, project);
if ( strcmp(outdir, ".")!=0 ) printf(" %s*%s", DIR(), OBJ_FILE_SUFFIX);
printf(" $(ANTLR_SPAWN)");
if ( !user_lexer ) printf(" $(DLG_SPAWN)");
printf("\n");
}
pfiles(files, n, suffix)
char **files;
int n;
char *suffix;
{
int first=1;
while ( n>0 )
{
char *p = &(*files)[strlen(*files)-1];
if ( !first ) putchar(' ');
first=0;
while ( p > *files && *p != '.' ) --p;
if ( p == *files )
{
fprintf(stderr,
"genmk: filenames must be file.suffix format: %s\n",
*files);
exit(-1);
}
if ( suffix == NULL ) printf("%s", *files);
else
{
*p = '\0';
printf("%s", DIR());
if ( strcmp(suffix, "o")==0 ) printf("%s%s", *files, OBJ_FILE_SUFFIX);
else printf("%s.%s", *files, suffix);
*p = '.';
}
files++;
--n;
}
}
pclasses(classes, n, suffix)
char **classes;
int n;
char *suffix;
{
int first=1;
while ( n>0 )
{
if ( !first ) putchar(' ');
first=0;
if ( suffix == NULL ) printf("%s", *classes);
else {
printf("%s", DIR());
if ( strcmp(suffix, "o")==0 ) printf("%s%s", *classes, OBJ_FILE_SUFFIX);
else printf("%s.%s", *classes, suffix);
}
classes++;
--n;
}
}
static void
#ifdef __STDC__
ProcessArgs( int argc, char **argv, Opt *options )
#else
ProcessArgs( argc, argv, options )
int argc;
char **argv;
Opt *options;
#endif
{
Opt *p;
require(argv!=NULL, "ProcessArgs: command line NULL");
while ( argc-- > 0 )
{
p = options;
while ( p->option != NULL )
{
if ( strcmp(p->option, "*") == 0 ||
strcmp(p->option, *argv) == 0 )
{
if ( p->arg )
{
(*p->process)( *argv, *(argv+1) );
argv++;
argc--;
}
else
(*p->process)( *argv );
break;
}
p++;
}
argv++;
}
}
fatal( err_)
char *err_;
{
fprintf(stderr, "genmk: %s\n", err_);
exit(1);
}
warn( err_)
char *err_;
{
fprintf(stderr, "genmk: %s\n", err_);
}
char *DIR()
{
static char buf[200+1];
if ( strcmp(outdir,TopDirectory)==0 ) return "";
sprintf(buf, "%s%s", outdir, DirectorySymbol);
return buf;
}
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