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Diffstat (limited to 'doc/nasmdoc.src')
| -rw-r--r-- | doc/nasmdoc.src | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/nasmdoc.src b/doc/nasmdoc.src index ebb0f159..0751655c 100644 --- a/doc/nasmdoc.src +++ b/doc/nasmdoc.src @@ -2736,6 +2736,15 @@ not (\c{-} being an operator.) The usual \i\c{%eliftoken}, \i\c\{%ifntoken}, and \i\c{%elifntoken} variants are also provided. +\S{ifempty} \i\c{%ifempty}: Test For Empty Expansion + +The conditional assembly construct \c{%ifempty} assembles the +subsequent code if and only if the expanded parameters do not contain +any tokens at all, whitespace excepted. + +The usual \i\c{%elifempty}, \i\c\{%ifnempty}, and \i\c{%elifnempty} +variants are also provided. + \S{pperror} \i\c{%error}: Reporting \i{User-Defined Errors} The preprocessor directive \c{%error} will cause NASM to report an |