diff options
Diffstat (limited to 'src/interp/compiler.boot')
| -rw-r--r-- | src/interp/compiler.boot | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/interp/compiler.boot b/src/interp/compiler.boot index bcc37574..44f9c6bf 100644 --- a/src/interp/compiler.boot +++ b/src/interp/compiler.boot @@ -982,7 +982,7 @@ $macroIfTrue := false compMacro(form,m,e) == $macroIfTrue: local:= true - ["MDEF",lhs,signature,specialCases,rhs]:= form + ["MDEF",lhs,signature,specialCases,rhs] := form if $verbose then prhs := rhs is ['CATEGORY,:.] => ['"-- the constructor category"] @@ -993,7 +993,16 @@ compMacro(form,m,e) == sayBrightly ['" processing macro definition",'%b, :formatUnabbreviated lhs,'" ==> ",:prhs,'%d] m=$EmptyMode or m=$NoValueMode => - ["/throwAway",$NoValueMode,put(first lhs,"macro",macroExpand(rhs,e),e)] + -- Macro names shall be identifiers. + not IDENTP lhs.op => + stackMessage('"invalid left-hand-side in macro definition",nil) + e + -- We do not have the means, at this late stage, to make a distinction + -- between a niladic functional macro and an identifier that is + -- defined as a macro. + if lhs.args = nil then lhs := lhs.op + ["/throwAway",$NoValueMode,putMacro(lhs,macroExpand(rhs,e),e)] + nil --% SEQ |