These were creating dangerous interdependencies. It is better to do explicit conversions when needed.
As an added plus, this means that zstring.h no longer depends on name.h which was very annoying.
- replace swapvalues with std::swap globally.
- added some additions to utility code from Raze, mainly to reduce file content differences.
- reduced some unused utilities
CheckReturn() must be called before emitting code, otherwise it will always return false for switch statements
Redundant jump instruction added because of that will point right after the end of function's code when if statement is the last one in the given function
This wasn't a problem for VM because bytecode in question was unreachable
JIT compiler tries to generate native code for a bogus jump destination, and this leads to out-of-bounds read from labels array
https://forum.zdoom.org/viewtopic.php?t=67149
Prohibit returning more values than declared in function
The exception is a void function returning one value, but only for compatibility with old scripts
https://forum.zdoom.org/viewtopic.php?t=66341
It's an optional extension of deprecated keyword:
deprecated("2.4", "use ModernFunction instead") int OldFunction();
deprecated("3.5", "use ModernVariable instead") int OldVariable;
Usage of such members will produce the following report:
Script warning, ":zscript.txt" line 123:
Accessing deprecated function OldFunction - deprecated since 2.4.0, use ModernFunction instead
Script warning, ":zscript.txt" line 456:
Accessing deprecated member variable OldVariable - deprecated since 3.5.0, use ModernVariable instead
The message is always printed for any use of deprecated global variable
If such variable is accessed inside a deprecated function from a core script lump, the message is printed only when verbosity level is set to highest
https://forum.zdoom.org/viewtopic.php?t=64830
For the Doom IWADs the provided font looks almost identical to the characters used on the title patches. So, for any level name that got replaced in some language, it will now check if the retrieved name comes from the default table, and if not, ignore the title patch and print the name with the specified font.
This also required removing the 'en' label from the default table, because with this present, the text would always be picked from 'en' instead of 'default'. Since 'en' and 'default' had the same contents, in any English locale the 'default' table was never hit, so this won't make any difference for the texts being chosen.
Last but not least, wminfo has been made a local variable in G_DoCompleted. There were two places where this was accessed from outside the summary screen or its setup code, and both were incorrect.
I think these were the last two still missing it, all remaining uses of the global level variable are in code that doesn't get run through a level tick and are supposed to access the primary level.
This entered the code path which warned about ambiguous use of variables in action functions and as a result ran afoul of subsequent error checks.
Since ZScript has no global scope resolution operator, this needs to ignore all non-static class symbols and try to look up any of these as global identifiers.
