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Don't expand string symbols in MACRO and FOR symbol names

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Explicit {interpolation} can still achieve this, but
to match DEF, REDEF, and PURGE, these new directives that
define symbols do not expand string EQUS.
This commit is contained in:
Rangi
2021-03-17 21:23:17 -04:00
committed by Eldred Habert
parent b8093847dc
commit 7e127a4e52
3 changed files with 17 additions and 6 deletions
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5
src/asm/rgbasm.5
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@@ -1094,7 +1094,7 @@ will treat it as a macro invocation.
Furthermore, without the
.Ql DEF
keyword,
string equates may expanded for the name.
string symbols may be expanded for the name.
This can lead to surprising results:
.Bd -literal -offset indent
X EQUS "Y"
@@ -1118,6 +1118,7 @@ ENDM
The example above defines
.Ql MyMacro
as a new macro.
String symbols are not expanded within the name of the macro.
You may use the older syntax
.Ql MyMacro: MACRO
instead of
@@ -1125,6 +1126,7 @@ instead of
with a single colon
.Ql \&:
following the macro's name.
With the older syntax, string symbols may be expanded for the name.
.Pp
Macros can't be exported or imported.
.Pp
@@ -1632,6 +1634,7 @@ Everything between
and the matching
.Ic ENDR
will be repeated for each value of a given symbol.
String symbols are not expanded within the symbol name.
For example, this code will produce a table of squared values from 0 to 255:
.Bd -literal -offset indent
FOR N, 256