Module Name:    src
Committed By:   rillig
Date:           Wed Jul 14 20:39:13 UTC 2021

Modified Files:
        src/distrib/sets/lists/tests: mi
        src/tests/usr.bin/xlint/lint1: Makefile decl.c decl.exp
            decl_struct_member.c decl_struct_member.exp gcc_attribute_func.c
            gcc_attribute_func.exp init_c90.c init_c90.exp msg_002.c
            msg_002.exp msg_072.c msg_072.exp
Added Files:
        src/tests/usr.bin/xlint/lint1: gcc_stmt_asm.c gcc_stmt_asm.exp
            stmt_goto.c stmt_goto.exp

Log Message:
tests/lint: add several tests for edge cases in the grammar


To generate a diff of this commit:
cvs rdiff -u -r1.1087 -r1.1088 src/distrib/sets/lists/tests/mi
cvs rdiff -u -r1.88 -r1.89 src/tests/usr.bin/xlint/lint1/Makefile
cvs rdiff -u -r1.4 -r1.5 src/tests/usr.bin/xlint/lint1/decl.c \
    src/tests/usr.bin/xlint/lint1/decl.exp \
    src/tests/usr.bin/xlint/lint1/decl_struct_member.exp \
    src/tests/usr.bin/xlint/lint1/msg_002.c \
    src/tests/usr.bin/xlint/lint1/msg_072.c
cvs rdiff -u -r1.5 -r1.6 src/tests/usr.bin/xlint/lint1/decl_struct_member.c
cvs rdiff -u -r1.1 -r1.2 src/tests/usr.bin/xlint/lint1/gcc_attribute_func.c \
    src/tests/usr.bin/xlint/lint1/gcc_attribute_func.exp \
    src/tests/usr.bin/xlint/lint1/init_c90.c \
    src/tests/usr.bin/xlint/lint1/init_c90.exp
cvs rdiff -u -r0 -r1.1 src/tests/usr.bin/xlint/lint1/gcc_stmt_asm.c \
    src/tests/usr.bin/xlint/lint1/gcc_stmt_asm.exp \
    src/tests/usr.bin/xlint/lint1/stmt_goto.c \
    src/tests/usr.bin/xlint/lint1/stmt_goto.exp
cvs rdiff -u -r1.3 -r1.4 src/tests/usr.bin/xlint/lint1/msg_002.exp \
    src/tests/usr.bin/xlint/lint1/msg_072.exp

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/distrib/sets/lists/tests/mi
diff -u src/distrib/sets/lists/tests/mi:1.1087 src/distrib/sets/lists/tests/mi:1.1088
--- src/distrib/sets/lists/tests/mi:1.1087	Wed Jul 14 03:22:33 2021
+++ src/distrib/sets/lists/tests/mi	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.1087 2021/07/14 03:22:33 ozaki-r Exp $
+# $NetBSD: mi,v 1.1088 2021/07/14 20:39:13 rillig Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -6248,6 +6248,8 @@
 ./usr/tests/usr.bin/xlint/lint1/gcc_bit_field_types.exp		tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/gcc_init_compound_literal.c	tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/gcc_init_compound_literal.exp	tests-usr.bin-tests	compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/gcc_stmt_asm.c			tests-usr.bin-tests	compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/gcc_stmt_asm.exp		tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/gcc_typeof_after_statement.c	tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/gcc_typeof_after_statement.exp	tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/init.c				tests-usr.bin-tests	compattestfile,atf
@@ -6982,6 +6984,8 @@
 ./usr/tests/usr.bin/xlint/lint1/op_shl_lp64.exp			tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/stmt_for.c			tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/stmt_for.exp			tests-usr.bin-tests	compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/stmt_goto.c			tests-usr.bin-tests	compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/stmt_goto.exp			tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/stmt_if.c			tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/stmt_if.exp			tests-usr.bin-tests	compattestfile,atf
 ./usr/tests/usr.bin/xlint/lint1/t_integration			tests-usr.bin-tests	compattestfile,atf

Index: src/tests/usr.bin/xlint/lint1/Makefile
diff -u src/tests/usr.bin/xlint/lint1/Makefile:1.88 src/tests/usr.bin/xlint/lint1/Makefile:1.89
--- src/tests/usr.bin/xlint/lint1/Makefile:1.88	Tue Jul 13 19:38:10 2021
+++ src/tests/usr.bin/xlint/lint1/Makefile	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.88 2021/07/13 19:38:10 rillig Exp $
+# $NetBSD: Makefile,v 1.89 2021/07/14 20:39:13 rillig Exp $
 
 NOMAN=		# defined
 MAX_MESSAGE=	345		# see lint1/err.c
@@ -146,6 +146,8 @@ FILES+=		gcc_bit_field_types.c
 FILES+=		gcc_bit_field_types.exp
 FILES+=		gcc_init_compound_literal.c
 FILES+=		gcc_init_compound_literal.exp
+FILES+=		gcc_stmt_asm.c
+FILES+=		gcc_stmt_asm.exp
 FILES+=		gcc_typeof_after_statement.c
 FILES+=		gcc_typeof_after_statement.exp
 FILES+=		init.c
@@ -188,6 +190,8 @@ FILES+=		op_shl_lp64.c
 FILES+=		op_shl_lp64.exp
 FILES+=		stmt_for.c
 FILES+=		stmt_for.exp
+FILES+=		stmt_goto.c
+FILES+=		stmt_goto.exp
 FILES+=		stmt_if.c
 FILES+=		stmt_if.exp
 

Index: src/tests/usr.bin/xlint/lint1/decl.c
diff -u src/tests/usr.bin/xlint/lint1/decl.c:1.4 src/tests/usr.bin/xlint/lint1/decl.c:1.5
--- src/tests/usr.bin/xlint/lint1/decl.c:1.4	Sun Jul 11 15:07:39 2021
+++ src/tests/usr.bin/xlint/lint1/decl.c	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: decl.c,v 1.4 2021/07/11 15:07:39 rillig Exp $	*/
+/*	$NetBSD: decl.c,v 1.5 2021/07/14 20:39:13 rillig Exp $	*/
 # 3 "decl.c"
 
 /*
@@ -99,3 +99,28 @@ unused_local_variable(void)
 	__attribute__((unused))
 	__attribute__((unused)) _Bool unused_twice;
 }
+
+int
+declaration_without_type_specifier(void)
+{
+	const i = 3;
+
+	return i;
+}
+
+/* TODO: add quotes around %s */
+/* expect+2: warning: static function unused unused [236] */
+static void
+unused(void)
+{
+}
+
+/*
+ * The attribute 'used' does not influence static functions, it only
+ * applies to function parameters.
+ */
+/* LINTED */
+static void
+unused_linted(void)
+{
+}
Index: src/tests/usr.bin/xlint/lint1/decl.exp
diff -u src/tests/usr.bin/xlint/lint1/decl.exp:1.4 src/tests/usr.bin/xlint/lint1/decl.exp:1.5
--- src/tests/usr.bin/xlint/lint1/decl.exp:1.4	Sun Jul 11 15:07:39 2021
+++ src/tests/usr.bin/xlint/lint1/decl.exp	Wed Jul 14 20:39:13 2021
@@ -9,3 +9,4 @@ decl.c(68): warning: converting 'pointer
 decl.c(70): warning: illegal combination of pointer (pointer to double) and integer (char), arg #1 [154]
 decl.c(72): warning: converting 'pointer to pointer to char' to incompatible 'pointer to double' for argument 1 [153]
 decl.c(80): error: syntax error '"' [249]
+decl.c(114): warning: static function unused unused [236]
Index: src/tests/usr.bin/xlint/lint1/decl_struct_member.exp
diff -u src/tests/usr.bin/xlint/lint1/decl_struct_member.exp:1.4 src/tests/usr.bin/xlint/lint1/decl_struct_member.exp:1.5
--- src/tests/usr.bin/xlint/lint1/decl_struct_member.exp:1.4	Sat Jul 10 22:46:02 2021
+++ src/tests/usr.bin/xlint/lint1/decl_struct_member.exp	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-decl_struct_member.c(17): error: syntax error 'unnamed member' [249]
-decl_struct_member.c(24): error: syntax error '0' [249]
-decl_struct_member.c(25): warning: syntax requires ';' after last struct/union member [66]
-decl_struct_member.c(32): error: cannot recover from previous errors [224]
+decl_struct_member.c(38): error: syntax error 'unnamed member' [249]
+decl_struct_member.c(45): error: syntax error '0' [249]
+decl_struct_member.c(46): warning: syntax requires ';' after last struct/union member [66]
+decl_struct_member.c(53): error: cannot recover from previous errors [224]
Index: src/tests/usr.bin/xlint/lint1/msg_002.c
diff -u src/tests/usr.bin/xlint/lint1/msg_002.c:1.4 src/tests/usr.bin/xlint/lint1/msg_002.c:1.5
--- src/tests/usr.bin/xlint/lint1/msg_002.c:1.4	Thu Jul  8 05:18:49 2021
+++ src/tests/usr.bin/xlint/lint1/msg_002.c	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msg_002.c,v 1.4 2021/07/08 05:18:49 rillig Exp $	*/
+/*	$NetBSD: msg_002.c,v 1.5 2021/07/14 20:39:13 rillig Exp $	*/
 # 3 "msg_002.c"
 
 // Test for message: empty declaration [2]
@@ -10,3 +10,20 @@ int local_variable;
 
 /* expect+1: warning: empty declaration [2] */
 const;
+
+void
+cover_cgram_declaration(void)
+{
+
+	/* expect+1: warning: typedef declares no type name [72] */
+	typedef const;
+
+	/* expect+1: warning: empty declaration [2] */
+	const;
+
+	/* expect+1: warning: typedef declares no type name [72] */
+	typedef int;
+
+	/* expect+1: warning: empty declaration [2] */
+	int;
+}
Index: src/tests/usr.bin/xlint/lint1/msg_072.c
diff -u src/tests/usr.bin/xlint/lint1/msg_072.c:1.4 src/tests/usr.bin/xlint/lint1/msg_072.c:1.5
--- src/tests/usr.bin/xlint/lint1/msg_072.c:1.4	Thu Jul  8 05:18:49 2021
+++ src/tests/usr.bin/xlint/lint1/msg_072.c	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: msg_072.c,v 1.4 2021/07/08 05:18:49 rillig Exp $	*/
+/*	$NetBSD: msg_072.c,v 1.5 2021/07/14 20:39:13 rillig Exp $	*/
 # 3 "msg_072.c"
 
 // Test for message: typedef declares no type name [72]
@@ -10,3 +10,20 @@ typedef int number;
 
 /* expect+1: warning: typedef declares no type name [72] */
 const typedef;
+
+void
+cover_cgram_declaration(void)
+{
+
+	/* expect+1: warning: typedef declares no type name [72] */
+	typedef const;
+
+	/* expect+1: warning: empty declaration [2] */
+	const;
+
+	/* expect+1: warning: typedef declares no type name [72] */
+	typedef int;
+
+	/* expect+1: warning: empty declaration [2] */
+	int;
+}

Index: src/tests/usr.bin/xlint/lint1/decl_struct_member.c
diff -u src/tests/usr.bin/xlint/lint1/decl_struct_member.c:1.5 src/tests/usr.bin/xlint/lint1/decl_struct_member.c:1.6
--- src/tests/usr.bin/xlint/lint1/decl_struct_member.c:1.5	Sat Jul 10 22:46:02 2021
+++ src/tests/usr.bin/xlint/lint1/decl_struct_member.c	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: decl_struct_member.c,v 1.5 2021/07/10 22:46:02 rillig Exp $	*/
+/*	$NetBSD: decl_struct_member.c,v 1.6 2021/07/14 20:39:13 rillig Exp $	*/
 # 3 "decl_struct_member.c"
 
 struct multi_attributes {
@@ -8,6 +8,27 @@ struct multi_attributes {
 	int deprecated;
 };
 
+struct cover_begin_type_noclass_declspecs {
+	int m1;
+	__attribute__((deprecated)) int m2;
+	const int m3;
+	int const m4;
+	int const long m5;
+	int __attribute__((deprecated)) m6;
+};
+
+typedef int number;
+
+struct cover_begin_type_typespec {
+	int m1;
+	number m2;
+};
+
+struct cover_begin_type_noclass_declmods {
+	const m1;
+	const volatile m2;
+};
+
 /*
  * Before cgram.y 1.228 from 2021-06-19, lint ran into an assertion failure:
  *

Index: src/tests/usr.bin/xlint/lint1/gcc_attribute_func.c
diff -u src/tests/usr.bin/xlint/lint1/gcc_attribute_func.c:1.1 src/tests/usr.bin/xlint/lint1/gcc_attribute_func.c:1.2
--- src/tests/usr.bin/xlint/lint1/gcc_attribute_func.c:1.1	Tue Jul  6 17:33:07 2021
+++ src/tests/usr.bin/xlint/lint1/gcc_attribute_func.c	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: gcc_attribute_func.c,v 1.1 2021/07/06 17:33:07 rillig Exp $	*/
+/*	$NetBSD: gcc_attribute_func.c,v 1.2 2021/07/14 20:39:13 rillig Exp $	*/
 # 3 "gcc_attribute_func.c"
 
 /*
@@ -21,6 +21,18 @@ void *__attribute__((__cold__)) attribut
 void *attribute_after_name __attribute__((__cold__))(void);
 void *attribute_after_parameters(void) __attribute__((__cold__));
 
-/* just to trigger _some_ error, to keep the .exp file */
-/* expect+1: error: syntax error 'syntax_error' [249] */
-__attribute__((syntax_error));
+/*
+ * The attribute 'used' does not influence static functions, it only
+ * applies to function parameters.
+ */
+/* expect+2: warning: static function used_function unused [236] */
+static void __attribute__((used))
+used_function(void)
+{
+}
+
+/* expect+2: warning: static function unused_function unused [236] */
+static void
+unused_function(void)
+{
+}
Index: src/tests/usr.bin/xlint/lint1/gcc_attribute_func.exp
diff -u src/tests/usr.bin/xlint/lint1/gcc_attribute_func.exp:1.1 src/tests/usr.bin/xlint/lint1/gcc_attribute_func.exp:1.2
--- src/tests/usr.bin/xlint/lint1/gcc_attribute_func.exp:1.1	Tue Jul  6 17:33:07 2021
+++ src/tests/usr.bin/xlint/lint1/gcc_attribute_func.exp	Wed Jul 14 20:39:13 2021
@@ -1 +1,2 @@
-gcc_attribute_func.c(26): error: syntax error 'syntax_error' [249]
+gcc_attribute_func.c(30): warning: static function used_function unused [236]
+gcc_attribute_func.c(36): warning: static function unused_function unused [236]
Index: src/tests/usr.bin/xlint/lint1/init_c90.c
diff -u src/tests/usr.bin/xlint/lint1/init_c90.c:1.1 src/tests/usr.bin/xlint/lint1/init_c90.c:1.2
--- src/tests/usr.bin/xlint/lint1/init_c90.c:1.1	Sat Jul 10 09:24:27 2021
+++ src/tests/usr.bin/xlint/lint1/init_c90.c	Wed Jul 14 20:39:13 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: init_c90.c,v 1.1 2021/07/10 09:24:27 rillig Exp $	*/
+/*	$NetBSD: init_c90.c,v 1.2 2021/07/14 20:39:13 rillig Exp $	*/
 # 3 "init_c90.c"
 
 /*
@@ -21,3 +21,10 @@ struct point point_c99 = { .x = 0, .y = 
 struct point points_c90[] = {{ 0, 0 }};
 /* expect+1: warning: array initializer with designators is a C9X feature [321] */
 struct point points_c99[] = {[3] = { 0, 0 }};
+
+
+struct point
+compound_literal(void) {
+	/* expect+1: compound literals are a C9X/GCC extension [319] */
+	return (struct point){ 0, 0 };
+}
Index: src/tests/usr.bin/xlint/lint1/init_c90.exp
diff -u src/tests/usr.bin/xlint/lint1/init_c90.exp:1.1 src/tests/usr.bin/xlint/lint1/init_c90.exp:1.2
--- src/tests/usr.bin/xlint/lint1/init_c90.exp:1.1	Sat Jul 10 09:24:27 2021
+++ src/tests/usr.bin/xlint/lint1/init_c90.exp	Wed Jul 14 20:39:13 2021
@@ -1,3 +1,4 @@
 init_c90.c(19): warning: struct or union member name in initializer is a C9X feature [313]
 init_c90.c(19): warning: struct or union member name in initializer is a C9X feature [313]
 init_c90.c(23): warning: array initializer with designators is a C9X feature [321]
+init_c90.c(29): error: compound literals are a C9X/GCC extension [319]

Index: src/tests/usr.bin/xlint/lint1/msg_002.exp
diff -u src/tests/usr.bin/xlint/lint1/msg_002.exp:1.3 src/tests/usr.bin/xlint/lint1/msg_002.exp:1.4
--- src/tests/usr.bin/xlint/lint1/msg_002.exp:1.3	Thu Jul  8 05:18:49 2021
+++ src/tests/usr.bin/xlint/lint1/msg_002.exp	Wed Jul 14 20:39:13 2021
@@ -1,2 +1,6 @@
 msg_002.c(7): warning: empty declaration [2]
 msg_002.c(12): warning: empty declaration [2]
+msg_002.c(19): warning: typedef declares no type name [72]
+msg_002.c(22): warning: empty declaration [2]
+msg_002.c(25): warning: typedef declares no type name [72]
+msg_002.c(28): warning: empty declaration [2]
Index: src/tests/usr.bin/xlint/lint1/msg_072.exp
diff -u src/tests/usr.bin/xlint/lint1/msg_072.exp:1.3 src/tests/usr.bin/xlint/lint1/msg_072.exp:1.4
--- src/tests/usr.bin/xlint/lint1/msg_072.exp:1.3	Thu Jul  8 05:18:49 2021
+++ src/tests/usr.bin/xlint/lint1/msg_072.exp	Wed Jul 14 20:39:13 2021
@@ -1,2 +1,6 @@
 msg_072.c(7): warning: typedef declares no type name [72]
 msg_072.c(12): warning: typedef declares no type name [72]
+msg_072.c(19): warning: typedef declares no type name [72]
+msg_072.c(22): warning: empty declaration [2]
+msg_072.c(25): warning: typedef declares no type name [72]
+msg_072.c(28): warning: empty declaration [2]

Added files:

Index: src/tests/usr.bin/xlint/lint1/gcc_stmt_asm.c
diff -u /dev/null src/tests/usr.bin/xlint/lint1/gcc_stmt_asm.c:1.1
--- /dev/null	Wed Jul 14 20:39:14 2021
+++ src/tests/usr.bin/xlint/lint1/gcc_stmt_asm.c	Wed Jul 14 20:39:13 2021
@@ -0,0 +1,38 @@
+/*	$NetBSD: gcc_stmt_asm.c,v 1.1 2021/07/14 20:39:13 rillig Exp $	*/
+# 3 "gcc_stmt_asm.c"
+
+/*
+ * Tests for the GCC 'asm' statement.
+ */
+
+void
+function(void)
+{
+	/*
+	 * lint is not really interested in assembly language, therefore it
+	 * just skips everything until and including the closing parenthesis.
+	 */
+	asm(any "string" or 12345 || whatever);
+
+	/*
+	 * Parentheses are allowed in 'asm' statements, they have to be
+	 * properly nested.  Brackets and braces don't have to be nested
+	 * since they usually not occur in 'asm' statements.
+	 */
+	__asm(^(int = typedef[[[{{{));
+
+	__asm__();
+}
+
+/*
+ * Even on the top level, 'asm' is allowed.  It is interpreted as a
+ * declaration.
+ */
+__asm__();
+
+void
+syntax_error(void)
+{
+	/* expect+1: syntax error '__asm__' [249] */
+	int i = __asm__();
+}
Index: src/tests/usr.bin/xlint/lint1/gcc_stmt_asm.exp
diff -u /dev/null src/tests/usr.bin/xlint/lint1/gcc_stmt_asm.exp:1.1
--- /dev/null	Wed Jul 14 20:39:14 2021
+++ src/tests/usr.bin/xlint/lint1/gcc_stmt_asm.exp	Wed Jul 14 20:39:13 2021
@@ -0,0 +1 @@
+gcc_stmt_asm.c(37): error: syntax error '__asm__' [249]
Index: src/tests/usr.bin/xlint/lint1/stmt_goto.c
diff -u /dev/null src/tests/usr.bin/xlint/lint1/stmt_goto.c:1.1
--- /dev/null	Wed Jul 14 20:39:14 2021
+++ src/tests/usr.bin/xlint/lint1/stmt_goto.c	Wed Jul 14 20:39:13 2021
@@ -0,0 +1,26 @@
+/*	$NetBSD: stmt_goto.c,v 1.1 2021/07/14 20:39:13 rillig Exp $	*/
+# 3 "stmt_goto.c"
+
+/*
+ * Tests for the 'goto' statement.
+ */
+
+/* expect+1: syntax error 'goto' [249] */
+goto invalid_at_top_level;
+
+void
+function(void)
+{
+	goto label;
+label:
+	/* expect+1: syntax error '"' [249] */
+	goto "string";
+
+	/* Reset the error handling of the parser. */
+	goto ok;
+ok:
+
+	/* Numeric labels work in Pascal, but not in C. */
+	/* expect+1: syntax error '12345' [249] */
+	goto 12345;
+}
Index: src/tests/usr.bin/xlint/lint1/stmt_goto.exp
diff -u /dev/null src/tests/usr.bin/xlint/lint1/stmt_goto.exp:1.1
--- /dev/null	Wed Jul 14 20:39:14 2021
+++ src/tests/usr.bin/xlint/lint1/stmt_goto.exp	Wed Jul 14 20:39:13 2021
@@ -0,0 +1,3 @@
+stmt_goto.c(9): error: syntax error 'goto' [249]
+stmt_goto.c(17): error: syntax error '"' [249]
+stmt_goto.c(25): error: syntax error '12345' [249]

Reply via email to