Module Name: src
Committed By: rillig
Date: Thu Feb 27 07:02:39 UTC 2025
Modified Files:
src/tests/usr.bin/xlint/lint1: expr_binary.c
Log Message:
tests/lint: spell out the type combinations for the '?:' operator
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/tests/usr.bin/xlint/lint1/expr_binary.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/usr.bin/xlint/lint1/expr_binary.c
diff -u src/tests/usr.bin/xlint/lint1/expr_binary.c:1.8 src/tests/usr.bin/xlint/lint1/expr_binary.c:1.9
--- src/tests/usr.bin/xlint/lint1/expr_binary.c:1.8 Fri Jul 14 08:53:52 2023
+++ src/tests/usr.bin/xlint/lint1/expr_binary.c Thu Feb 27 07:02:39 2025
@@ -1,4 +1,4 @@
-/* $NetBSD: expr_binary.c,v 1.8 2023/07/14 08:53:52 rillig Exp $ */
+/* $NetBSD: expr_binary.c,v 1.9 2025/02/27 07:02:39 rillig Exp $ */
# 3 "expr_binary.c"
/*
@@ -133,33 +133,103 @@ struct point {
int x, y;
};
+static void
+return_void(void)
+{
+}
+
+static _Bool
+return_bool(void)
+{
+ return sizeof(char) == 1;
+}
+
static struct point
-returning_struct(void)
+return_sou(void)
{
return (struct point){ 0, 0 };
}
-static void
-returning_void(void)
+static int
+return_integer(void)
{
+ return 4;
+}
+
+static double
+return_floating(void)
+{
+ return 3.5;
+}
+
+static char *
+return_pointer(void)
+{
+ return (void *)0;
}
static inline void
op_colon(_Bool cond)
{
+ cond ? return_void() : return_void();
+ /* expect+1: warning: incompatible types 'void' and '_Bool' in conditional [126] */
+ cond ? return_void() : return_bool();
+ /* expect+1: warning: incompatible types 'void' and 'struct point' in conditional [126] */
+ cond ? return_void() : return_sou();
+ /* expect+1: warning: incompatible types 'void' and 'int' in conditional [126] */
+ cond ? return_void() : return_integer();
+ /* expect+1: warning: incompatible types 'void' and 'double' in conditional [126] */
+ cond ? return_void() : return_floating();
+ /* expect+1: warning: incompatible types 'void' and 'pointer to char' in conditional [126] */
+ cond ? return_void() : return_pointer();
+ /* expect+1: warning: incompatible types '_Bool' and 'void' in conditional [126] */
+ cond ? return_bool() : return_void();
+ cond ? return_bool() : return_bool();
+ /* expect+1: error: incompatible types '_Bool' and 'struct point' in conditional [126] */
+ cond ? return_bool() : return_sou();
+ cond ? return_bool() : return_integer();
+ cond ? return_bool() : return_floating();
+ /* expect+1: warning: illegal combination of integer '_Bool' and pointer 'pointer to char', op ':' [123] */
+ cond ? return_bool() : return_pointer();
// FIXME: GCC doesn't warn, as the 'type mismatch' is not wrong.
/* expect+1: warning: incompatible types 'struct point' and 'void' in conditional [126] */
- cond ? returning_struct() : returning_void();
-
- // TODO: Test the other combinations as well.
- // | | void | bool | arith | sou | int | flt | ptr | nullptr |
- // |---------|------|------|-------|-----|-----|-----|-----|---------|
- // | void | ok | | | | | | | |
- // | bool | | ok | | | | | | |
- // | arith | | | ok | | | | | |
- // | sou | | | | ok | | | | |
- // | int | | | | | | | ok | |
- // | flt | | | | | | | | |
- // | ptr | | | | | ok | | | ok |
- // | nullptr | | | | | | | ok | |
+ cond ? return_sou() : return_void();
+ /* expect+1: error: incompatible types 'struct point' and '_Bool' in conditional [126] */
+ cond ? return_sou() : return_bool();
+ cond ? return_sou() : return_sou();
+ /* expect+1: error: incompatible types 'struct point' and 'int' in conditional [126] */
+ cond ? return_sou() : return_integer();
+ /* expect+1: error: incompatible types 'struct point' and 'double' in conditional [126] */
+ cond ? return_sou() : return_floating();
+ /* expect+1: error: incompatible types 'struct point' and 'pointer to char' in conditional [126] */
+ cond ? return_sou() : return_pointer();
+ /* expect+1: warning: incompatible types 'int' and 'void' in conditional [126] */
+ cond ? return_integer() : return_void();
+ cond ? return_integer() : return_bool();
+ /* expect+1: error: incompatible types 'int' and 'struct point' in conditional [126] */
+ cond ? return_integer() : return_sou();
+ cond ? return_integer() : return_integer();
+ cond ? return_integer() : return_floating();
+ /* expect+1: warning: illegal combination of integer 'int' and pointer 'pointer to char', op ':' [123] */
+ cond ? return_integer() : return_pointer();
+ /* expect+1: warning: incompatible types 'double' and 'void' in conditional [126] */
+ cond ? return_floating() : return_void();
+ cond ? return_floating() : return_bool();
+ /* expect+1: error: incompatible types 'double' and 'struct point' in conditional [126] */
+ cond ? return_floating() : return_sou();
+ cond ? return_floating() : return_integer();
+ cond ? return_floating() : return_floating();
+ /* expect+1: error: incompatible types 'double' and 'pointer to char' in conditional [126] */
+ cond ? return_floating() : return_pointer();
+ /* expect+1: warning: incompatible types 'pointer to char' and 'void' in conditional [126] */
+ cond ? return_pointer() : return_void();
+ /* expect+1: warning: illegal combination of pointer 'pointer to char' and integer '_Bool', op ':' [123] */
+ cond ? return_pointer() : return_bool();
+ /* expect+1: error: incompatible types 'pointer to char' and 'struct point' in conditional [126] */
+ cond ? return_pointer() : return_sou();
+ /* expect+1: warning: illegal combination of pointer 'pointer to char' and integer 'int', op ':' [123] */
+ cond ? return_pointer() : return_integer();
+ /* expect+1: error: incompatible types 'pointer to char' and 'double' in conditional [126] */
+ cond ? return_pointer() : return_floating();
+ cond ? return_pointer() : return_pointer();
}