qf/quakeforge
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/quakeforge synced 2024-11-10 07:11:41 +00:00
Code Issues Projects Releases Packages Wiki Activity

Reimplement assignment as truth value.

Browse source 
The source of the assignment is used as the value to test, and the
assignment itself is inserted into the boolean expressions's block. This
fixes the inernal error for "if ((x = 0))".
This commit is contained in:
Bill Currie 2012-12-23 19:53:31 +09:00
parent a881fb5f5b
commit f6c4e06183
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
tools/qfcc/source/expr.c
View file

@ -1191,6 +1191,17 @@ convert_bool (expr_t *e, int block)
if (!e->paren && options.warnings.precedence) if (!e->paren && options.warnings.precedence)
warning (e, "suggest parentheses around assignment " warning (e, "suggest parentheses around assignment "
"used as truth value"); "used as truth value");
b = convert_bool (e->e.expr.e2, 1);
if (b->type == ex_error)
return b;
// insert the assignment into the bool's block
e->next = b->e.bool.e->e.block.head;
b->e.bool.e->e.block.head = e;
if (b->e.bool.e->e.block.tail == &b->e.bool.e->e.block.head) {
// shouldn't happen, but just in case
b->e.bool.e->e.block.tail = &e->next;
}
return b;
} }
if (e->type == ex_uexpr && e->e.expr.op == '!') { if (e->type == ex_uexpr && e->e.expr.op == '!') {