genmk.c

本工具提供一个词法分析器和语法分析器的集成开发环境

			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("CCC=CC\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;
}