/* $NetBSD: token_ident.c,v 1.5 2021/11/20 11:13:18 rillig Exp $ */
/* $FreeBSD$ */
/*
* Tests for identifiers, numbers and string literals.
*/
/* TODO: Add more systematic tests. */
/* TODO: Completely cover each state transition in lex_number_state. */
/* Binary number literals, a GCC extension that was added in C11. */
#indent input
#define b00101010 -1
void t(void) {
unsigned a[] = {0b00101010, 0x00005678, 02, 17U};
float x[] = {.7f, 0.7f};
unsigned long ul[] = {0b00001111UL, 0x01010101UL, 02UL, 17UL};
if (0 b00101010)
return;
/* $ '0r' is not a number base prefix, so the tokens are split. */
if (0r12345)
return;
}
#indent end
#indent run
#define b00101010 -1
void
t(void)
{
unsigned a[] = {0b00101010, 0x00005678, 02, 17U};
float x[] = {.7f, 0.7f};
unsigned long ul[] = {0b00001111UL, 0x01010101UL, 02UL, 17UL};
if (0 b00101010)
return;
if (0 r12345)
return;
}
#indent end
/* Floating point numbers. */
#indent input
void t(void) {
unsigned long x = 314UL;
double y[] = {0x1P+9F, 0.3, .1, 1.2f, 0xa.p01f, 3.14f, 2.L};
int z = 0b0101;
DO_NOTHING;
x._y = 5;
}
#indent end
#indent run
void
t(void)
{
unsigned long x = 314UL;
double y[] = {0x1P+9F, 0.3, .1, 1.2f, 0xa.p01f, 3.14f, 2.L};
int z = 0b0101;
DO_NOTHING;
x._y = 5;
}
#indent end
/*
* Test identifiers containing '$', which some compilers support as an
* extension to the C standard.
*/
#indent input
int $ = jQuery; // just kidding
const char SYS$LOGIN[]="$HOME";
#indent end
#indent run
int $ = jQuery; // just kidding
const char SYS$LOGIN[] = "$HOME";
#indent end
/*
* Test the tokenizer for number constants.
*
* When the tokenizer reads a character that makes a token invalid (such as
* '0x') but may later be extended to form a valid token (such as '0x123'),
* indent does not care about this invalid prefix and returns it nevertheless.
*/
#indent input
int unfinished_hex_prefix = 0x;
double unfinished_hex_float = 0x123p;
#indent end
#indent run-equals-input -di0