Merge remote-tracking branch 'upstream/gnucobol-3.x' into HEAD

ChangeLog

@@ -1,4 +1,10 @@
 
+2024-05-02  Simon Sobisch <simonsobisch@gnu.org>
+
+	* configure.ac: use pkg-config (with a fallback to ncurses-config) for
+	  getting link / compile information for ncurses/ncursesw; now honoring
+	  NCURSES_CONFIG, NCURSES_LIBS and NCURSES_FLAGS; document XML2_CONFIG
+
 2023-10-17  David Declerck <david.declerck@ocamlpro.com>
 
 	* configure.ac: add checks to allow using stdint.h and inttypes.h
@@ -1579,7 +1585,7 @@
 	* Version 0.9 released.
 
 
-Copyright 2002-2023 Free Software Foundation, Inc.
+Copyright 2002-2024 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification, are
 permitted provided the copyright notice and this notice are preserved.

NEWS

@@ -1,6 +1,6 @@
 NEWS - user visible changes				-*- outline -*-
 
- GnuCOBOL 3.3     (planned January 2023)
+ GnuCOBOL 3.3     (planned ASAP)
 
  work in progress
 
@@ -71,6 +71,11 @@ NEWS - user visible changes				-*- outline -*-
    $b for executable basename, $d for date in YYYYMMDD format, $t for time
    in HHMMSS format (before, only $$ was available for pid)
 
+* New build features
+
+** configure now uses pkg-config/ncurses-config to search for ncurses and
+   honors NCURSES_LIBS and NCURSES_CFLAGS
+
 * Known issues in 3.x
 
 ** testsuite:

cobc/ChangeLog

@@ -1,4 +1,18 @@
 
+2024-05-03  Simon Sobisch <simonsobisch@gnu.org>
+
+	* cobc.c (main): refactored to not need iterating via "iparams"
+	* flag.def (cb_flag_use_constructor), cobc.c (main), cobc.h,
+	  codegen.c (codegen_internal, output_so_load_version_check):
+	  new flag -fuse-constructor to override possible use of that feature;
+	  internally disabling it for generation of libraries/executable after
+	  first program as we only need that code once, fixing Win32 build errors
+	  and duplication warnings in other environments
+	* flag.def: don't suppress the help of -fwinmain under Win32
+	* typeck.c (build_expr_finish): use fallback error position token, fixing
+	  compiler aborts on broken expressions, bugs #933, #938 and #966
+	* typeck.c: minor refactoring within functions
+
 2024-04-24  Fabrice Le Fessant <fabrice.le_fessant@ocamlpro.com>
 
 	* replace.c: optimize speed and memory usage. For speed, we add two
@@ -10,7 +24,7 @@
 	  queue of tokens instead of a list.
 
 2024-03-17  Fabrice Le Fessant <fabrice.le_fessant@ocamlpro.com>
-	    Emilien Lemaire <emilien.lemaire@ocamlpro.com>
+            Emilien Lemaire <emilien.lemaire@ocamlpro.com>
 
 	* parser.y: generate calls to "cob_prof_function_call" in the
 	  parsetree when profiling is unabled, when entering/leaving
@@ -35,7 +49,7 @@
 2024-01-28  Fabrice Le Fessant <fabrice.le_fessant@ocamlpro.com>
 
 	* parser.y: fix SEGFAULT when checking the BY VALUE arguments of a
-          prototype with ANY LENGTH
+	  prototype with ANY LENGTH
 
 2024-01-25  David Declerck <david.declerck@ocamlpro.com>
 
@@ -7293,7 +7307,11 @@
 
 2014-12-11  Ron Norman <rjn@inglenet.com>
 
-	* Fixes so WARNING is given if no DETAIL lines in a report
+	* Fixes so WARNING is given if no DETAIL lines in a repor
+
+2014-06-17  Ron Norman <rjn@inglenet.com>
+
+        * parser.y, tree.c, codegen.c: Added check to verify PAGE LIMITS of report
 
 2014-06-16  Simon Sobisch <simonsobisch@gnu.org>
 
@@ -10023,7 +10041,7 @@
 	  dropping some options for now
 
 
-Copyright 2001-2023 Free Software Foundation, Inc.
+Copyright 2001-2024 Free Software Foundation, Inc.
 
 Copying and distribution of this file, with or without modification, are
 permitted provided the copyright notice and this notice are preserved.

cobc/cobc.c

@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 2001-2023 Free Software Foundation, Inc.
+   Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
    Authors:
    Keisuke Nishida, Roger While, Ron Norman, Simon Sobisch, Brian Tiffin,
@@ -2516,7 +2516,7 @@ static void
 cobc_print_version (void)
 {
 	printf ("cobc (%s) %s.%d\n", PACKAGE_NAME, PACKAGE_VERSION, PATCH_LEVEL);
-	puts ("Copyright (C) 2023 Free Software Foundation, Inc.");
+	puts ("Copyright (C) 2024 Free Software Foundation, Inc.");
 	printf (_("License GPLv3+: GNU GPL version 3 or later <%s>"), "https://gnu.org/licenses/gpl.html");
 	putchar ('\n');
 	puts (_("This is free software; see the source for copying conditions.  There is NO\n"
@@ -3852,15 +3852,14 @@ process_command_line (const int argc, char **argv)
 		case CB_FLAG_GETOPT_TTITLE: /* 6 */
 			/* -fttitle=<title> : Title for listing */
 			{
-				size_t i, len;
-
+				const size_t len = strlen (cob_optarg);
+				size_t i;
 				if (cb_listing_with_title)
 					cobc_main_free (cb_listing_with_title);
 				cb_listing_with_title = cobc_main_strdup (cob_optarg);
-				len = strlen (cb_listing_with_title);
-				for (i=0; i<len; i++){
-					if( cb_listing_with_title[i]=='_' )
-						cb_listing_with_title[i]=' ';
+				for (i = 0; i < len; i++) {
+					if (cb_listing_with_title[i] == '_')
+						cb_listing_with_title[i] = ' ';
 				}
 			}
 			break;
@@ -3920,8 +3919,7 @@ process_command_line (const int argc, char **argv)
 			if (strlen (cob_optarg) > (COB_MINI_MAX)) {
 				cobc_err_exit (COBC_INV_PAR, "--copy");
 			}
-			CB_TEXT_LIST_ADD (cb_copy_list,
-					  cobc_strdup (cob_optarg));
+			CB_TEXT_LIST_ADD (cb_copy_list, cobc_strdup (cob_optarg));
 			break;
 
 		case CB_FLAG_GETOPT_INCLUDE_FILE: /* 19 */
@@ -3930,8 +3928,7 @@ process_command_line (const int argc, char **argv)
 			if (strlen (cob_optarg) > (COB_MINI_MAX)) {
 				cobc_err_exit (COBC_INV_PAR, "--include");
 			}
-			CB_TEXT_LIST_ADD (cb_include_file_list,
-					  cobc_strdup (cob_optarg));
+			CB_TEXT_LIST_ADD (cb_include_file_list, cobc_strdup (cob_optarg));
 			cb_flag_c_decl_for_static_call = 0;
 			break;
 
@@ -4122,7 +4119,8 @@ process_command_line (const int argc, char **argv)
 	}
 
 #if 0	/* TODO: */
-	if (cb_compile_level == CB_LEVEL_PREPROCESS && output_name && strcmp (output_name, COB_DASH) != 0)) {
+	if (cb_compile_level == CB_LEVEL_PREPROCESS
+	 && output_name && strcmp (output_name, COB_DASH) != 0)) {
 		cb_depend_file = output_file;
 	}
 #endif
@@ -9233,7 +9231,6 @@ int
 main (int argc, char **argv)
 {
 	struct filename		*fn;
-	unsigned int		iparams;
 	unsigned int		local_level;
 	int			status;
 	int			statuses = 0;
@@ -9278,8 +9275,9 @@ main (int argc, char **argv)
 				cb_compile_level = CB_LEVEL_MODULE;
 				cobc_flag_module = 1;
 			}
-		} else if (cb_compile_level != CB_LEVEL_PREPROCESS &&
-		    !cobc_flag_main && !cobc_flag_module && !cobc_flag_library) {
+		} else
+		if (cb_compile_level != CB_LEVEL_PREPROCESS
+		 && !cobc_flag_main && !cobc_flag_module && !cobc_flag_library) {
 			cobc_flag_module = 1;
 		}
 	} else {
@@ -9302,15 +9300,13 @@ main (int argc, char **argv)
 
 	{
 		struct cb_text_list *l;
-		for (l = cb_copy_list; l; l=l->next){
-			const char *filename;
-			int has_ext;
+		for (l = cb_copy_list; l; l = l->next) {
+			const size_t len = strlen (l->text) + 1;
+			const int has_ext = strchr (l->text, '.') != NULL;
+			/* note: check for COB_MINI_MAX was done when adding to cb_copy_list */
 			char name[COB_MINI_BUFF];
-			int len = strlen (l->text);
-			memcpy (name, l->text, len+1);
-			has_ext = (strchr (name, '.') != NULL);
-			filename = cb_copy_find_file (name, has_ext);
-			if (!filename){
+			memcpy (name, l->text, len);
+			if (cb_copy_find_file (name, has_ext) == NULL) {
 				cobc_err_exit (_("fatal error: could not find --copy argument %s"), name);
 			}
 		}
@@ -9380,40 +9376,52 @@ main (int argc, char **argv)
 		}
 	}
 
+	/* resolve runtime name from first file */
+	if (cobc_flag_run) {
+		if (file_list->file_is_stdin
+		 && cb_compile_level == CB_LEVEL_EXECUTABLE) {
+			run_name = COB_DASH_OUT;
+		} else {
+			run_name = file_basename (file_list->source, NULL);
+		}
+		run_name = cobc_main_strdup (run_name);
+	}
+
 	/* process all files */
 	status = 0;
-	iparams = 0;
 	local_level = 0;
 
 	for (fn = file_list; fn; fn = fn->next) {
-		iparams++;
-		if (iparams == 1 && cobc_flag_run) {
-			if (fn->file_is_stdin
-			 && cb_compile_level == CB_LEVEL_EXECUTABLE) {
-				run_name = COB_DASH_OUT;
-			} else {
-				run_name = file_basename (fn->source, NULL);
-			}
-			run_name = cobc_main_strdup (run_name);
-		}
-		if (iparams > 1 && cb_compile_level == CB_LEVEL_EXECUTABLE) {
-			/* only the first source has the compile_level and main flag set */
-			local_level = cb_compile_level;
-			cb_compile_level = CB_LEVEL_ASSEMBLE;
-			cobc_flag_main = 0;
-		}
 		status = process_file (fn, status);
 		statuses += status;
 
 		/* take care for all intermediate files which aren't needed for linking */
 		clean_up_intermediates (fn, status);
+
+		/* first source-only handling */
+		if (cb_compile_level == CB_LEVEL_EXECUTABLE) {
+			/* only the first source has the compile_level and main flag set */
+			local_level = cb_compile_level;
+			cb_compile_level = CB_LEVEL_ASSEMBLE;
+			cobc_flag_main = 0;
+			if (cb_flag_use_constructor == 1) {
+				/* we only need one check, already generated for first source */
+				cb_flag_use_constructor = 2;
+			}
+		} else
+		if (cb_compile_level == CB_LEVEL_LIBRARY
+		 && cb_flag_use_constructor == 1) {
+			/* we only need one check, already generated for first source */
+			cb_flag_use_constructor = 2;
+		}
 	}
 
 	if (cobc_list_file) {
-		if (cb_listing_file != stdout)
+		if (cb_listing_file != stdout) {
 			fclose (cb_listing_file);
-		else
+		} else {
 			fflush (stdout);
+		}
 		cb_listing_file = NULL;
 	}
 

cobc/cobc.h

@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 2001-2012, 2014-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2012, 2014-2024 Free Software Foundation, Inc.
    Written by Keisuke Nishida, Roger While, Simon Sobisch,
    Edward Hart, Ron Norman, Dave Pitts
 
@@ -440,7 +440,8 @@ extern int			cb_flag_dump;
 extern int			cb_unix_lf;
 
 extern int			cb_flag_main;	/* set if "main" requested by -x */
-extern int			cobc_flag_main;	/* set only until first program compiled, for general: use cb_flag_main*/
+/* set only until first program compiled, for general: use cb_flag_main */
+extern int			cobc_flag_main;
 extern int			cobc_wants_debug;
 extern int			cb_listing_xref;
 extern int			cobc_seen_stdin;

cobc/codegen.c

@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 2003-2023 Free Software Foundation, Inc.
+   Copyright (C) 2003-2024 Free Software Foundation, Inc.
    Written by Keisuke Nishida, Roger While, Ron Norman, Simon Sobisch,
    Edward Hart
 
@@ -12635,18 +12635,17 @@ output_internal_function (struct cb_program *prog, cb_tree parameter_list)
 	output_line ("P_initialize:");
 	output_newline ();
 
-	/* Check matching version */
-#if !defined (HAVE_ATTRIBUTE_CONSTRUCTOR)
+	/* Check matching version in program init */
+	if ( (cb_flag_use_constructor == 0	/* if constructor option disabled */
 #ifdef _WIN32
-	if (prog->flag_main)	/* otherwise we generate that in DllMain */
-#else
-	if (!prog->nested_level)
+	   || prog->flag_main 	/* or under Win32 (where we can only use DllMain) for executables */
 #endif
-	{
+	     )
+	 /* no use in generating that for nested programs, as the outest program must be started first */
+	 && !prog->nested_level) {
 		output_line ("cob_check_version (COB_SOURCE_FILE, COB_PACKAGE_VERSION, COB_PATCH_LEVEL);");
 		output_newline ();
 	}
-#endif
 
 	/* Resolve user functions */
 	for (clp = func_call_cache; clp; clp = clp->next) {
@@ -13906,25 +13905,28 @@ codegen_init (struct cb_program *prog, const char *translate_name)
 /* Check matching version via constructor attribute / DllMain */
 static void output_so_load_version_check (struct cb_program *prog)
 {
-#if defined (HAVE_ATTRIBUTE_CONSTRUCTOR)
+#if defined (_WIN32)
+	if (prog->flag_main) {
+		return;
+	}
+	output_newline ();
+	output_line ("#include \"windows.h\"");
+	output_line ("BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);");
+	output_line ("BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)");
+	output_block_open ();
+	output_line ("if (fdwReason == DLL_PROCESS_ATTACH)");
+	output_line ("\tcob_check_version (COB_SOURCE_FILE, COB_PACKAGE_VERSION, COB_PATCH_LEVEL);");
+	output_line ("return TRUE;");
+	output_block_close ();
+	output_newline ();
+#else
+	output_newline ();
 	output_line ("static void gc_module_so_init () __attribute__ ((constructor));");
 	output_line ("static void gc_module_so_init ()");
 	output_block_open ();
 	output_line ("cob_check_version (COB_SOURCE_FILE, COB_PACKAGE_VERSION, COB_PATCH_LEVEL);");
 	output_block_close ();
 	output_newline ();
-#elif defined (_WIN32)
-	if (!prog->flag_main) {
-		output_line ("#include \"windows.h\"");
-		output_line ("BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);");
-		output_line ("BOOL WINAPI DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)");
-		output_block_open ();
-		output_line ("if (fdwReason == DLL_PROCESS_ATTACH)");
-		output_line ("\tcob_check_version (COB_SOURCE_FILE, COB_PACKAGE_VERSION, COB_PATCH_LEVEL);");
-		output_line ("return TRUE;");
-		output_block_close ();
-		output_newline ();
-	}
 #endif
 }
 
@@ -13994,8 +13996,9 @@ codegen_internal (struct cb_program *prog, const int subsequent_call)
 	if (!subsequent_call) {
 		output ("/* Functions */");
 		output_newline ();
-		output_newline ();
-		output_so_load_version_check (prog);
+		if (cb_flag_use_constructor == 1) {
+			output_so_load_version_check (prog);
+		}
 	}
 
 	if (prog->prog_type == COB_MODULE_TYPE_FUNCTION) {