Spirit X3 recursive error?
Claudio La Rosa <[email protected]> Tue, 5 Jan 2021 12:52:08 +0100
| Newsgroups | gmane.comp.parsers.spirit.general |
|---|---|
| Message-ID | <[email protected]> |
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--></style></head><body lang=3DIT link=3Dblue vlink=3D"#954F72" style=3D'wo=
rd-wrap:break-word'><div class=3DWordSection1><p class=3DMsoNormal><o:p>&nb=
sp;</o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal=
>Hi to all,</p><p class=3DMsoNormal><o:p> </o:p></p><p style=3D'margin=
-top:0cm;background:white;vertical-align:baseline'><span style=3D'font-size=
:11.5pt;font-family:"Arial",sans-serif;color:#242729'>I'm trying to write a=
n expression parser with boost spirit x3. I based my new code on old code t=
hat I written years ago (and worked well) with Spirit 2.x (qi).<o:p></o:p><=
/span></p><p style=3D'margin-top:0cm;background:white;vertical-align:baseli=
ne;margin-bottom:var(--s-prose-spacing);font-variant-ligatures: normal;font=
-variant-caps: normal;font-variant-numeric: inherit;font-variant-east-asian=
: inherit;font-stretch: inherit;line-height:inherit;box-sizing: inherit;orp=
hans: 2;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-thickness:=
initial;text-decoration-style: initial;text-decoration-color: initial;word=
-spacing:0px'><span style=3D'font-size:11.5pt;font-family:"Arial",sans-seri=
f;color:#242729'>The core of my code is:<o:p></o:p></span></p><pre style=3D=
'vertical-align:baseline'><span class=3Dhljs-comment><span style=3D'font-fa=
mily:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>//Make new r=
ule(s) for expression</span></span><code><span style=3D'font-family:"inheri=
t",serif;border:none windowtext 1.0pt;padding:0cm'><o:p></o:p></span></code=
></pre><pre style=3D'vertical-align:baseline'><code><span style=3D'font-fam=
ily:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>=C2=A0=C2=A0 =
=C2=A0</span></code><span class=3Dhljs-keyword><span style=3D'font-family:"=
inherit",serif;border:none windowtext 1.0pt;padding:0cm'>auto</span></span>=
<code><span style=3D'font-family:"inherit",serif;border:none windowtext 1.0=
pt;padding:0cm'> term =3D factor >> *((</span></code><span class=3Dhl=
js-string><span style=3D'font-family:"inherit",serif;border:none windowtext=
1.0pt;padding:0cm'>'*'</span></span><code><span style=3D'font-family:"inhe=
rit",serif;border:none windowtext 1.0pt;padding:0cm'> >> factor) | (<=
/span></code><span class=3Dhljs-string><span style=3D'font-family:"inherit"=
,serif;border:none windowtext 1.0pt;padding:0cm'>'/'</span></span><code><sp=
an style=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;paddin=
g:0cm'> >> factor));<o:p></o:p></span></code></pre><pre style=3D'vert=
ical-align:baseline'><code><span style=3D'font-family:"inherit",serif;borde=
r:none windowtext 1.0pt;padding:0cm'>=C2=A0=C2=A0 =C2=A0</span></code><span=
class=3Dhljs-keyword><span style=3D'font-family:"inherit",serif;border:non=
e windowtext 1.0pt;padding:0cm'>auto</span></span><code><span style=3D'font=
-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'> expressi=
on =3D term >> *((</span></code><span class=3Dhljs-string><span style=
=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>'=
+'</span></span><code><span style=3D'font-family:"inherit",serif;border:non=
e windowtext 1.0pt;padding:0cm'> >> term) | (</span></code><span clas=
s=3Dhljs-string><span style=3D'font-family:"inherit",serif;border:none wind=
owtext 1.0pt;padding:0cm'>'-'</span></span><code><span style=3D'font-family=
:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'> >> term))=
;<o:p></o:p></span></code></pre><pre style=3D'vertical-align:baseline'><cod=
e><span style=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;p=
adding:0cm'>=C2=A0=C2=A0 =C2=A0</span></code><span class=3Dhljs-keyword><sp=
an style=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;paddin=
g:0cm'>auto</span></span><code><span style=3D'font-family:"inherit",serif;b=
order:none windowtext 1.0pt;padding:0cm'> group =3D </span></code><span cla=
ss=3Dhljs-string><span style=3D'font-family:"inherit",serif;border:none win=
dowtext 1.0pt;padding:0cm'>'('</span></span><code><span style=3D'font-famil=
y:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'> >> expre=
ssion >> </span></code><span class=3Dhljs-string><span style=3D'font-=
family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>')'</span>=
</span><code><span style=3D'font-family:"inherit",serif;border:none windowt=
ext 1.0pt;padding:0cm'>;<o:p></o:p></span></code></pre><pre style=3D'vertic=
al-align:baseline'><code><span style=3D'font-family:"inherit",serif;border:=
none windowtext 1.0pt;padding:0cm'>=C2=A0=C2=A0 =C2=A0</span></code><span c=
lass=3Dhljs-keyword><span style=3D'font-family:"inherit",serif;border:none =
windowtext 1.0pt;padding:0cm'>auto</span></span><code><span style=3D'font-f=
amily:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'> factor =3D=
lexeme[</span></code><span class=3Dhljs-string><span style=3D'font-family:=
"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>"double_&quo=
t;</span></span><code><span style=3D'font-family:"inherit",serif;border:non=
e windowtext 1.0pt;padding:0cm'>] | group;<o:p></o:p></span></code></pre><p=
re style=3D'vertical-align:baseline'><code><span style=3D'font-family:"inhe=
rit",serif;border:none windowtext 1.0pt;padding:0cm'><o:p> </o:p></spa=
n></code></pre><pre style=3D'vertical-align:baseline'><code><span style=3D'=
font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>=C2=
=A0=C2=A0=C2=A0=C2=A0 <o:p></o:p></span></code></pre><pre style=3D'vertical=
-align:baseline'><code><span style=3D'font-family:"inherit",serif;border:no=
ne windowtext 1.0pt;padding:0cm'>=C2=A0=C2=A0=C2=A0=C2=A0</span></code><spa=
n class=3Dhljs-builtin><span style=3D'font-family:"inherit",serif;border:no=
ne windowtext 1.0pt;padding:0cm'>string</span></span><code><span style=3D'f=
ont-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'> s=3D<=
/span></code><span class=3Dhljs-string><span style=3D'font-family:"inherit"=
,serif;border:none windowtext 1.0pt;padding:0cm'>"12.4 + 3.2"</sp=
an></span><code><span style=3D'font-family:"inherit",serif;border:none wind=
owtext 1.0pt;padding:0cm'>;<o:p></o:p></span></code></pre><pre style=3D'ver=
tical-align:baseline'><code><span style=3D'font-family:"inherit",serif;bord=
er:none windowtext 1.0pt;padding:0cm'><o:p> </o:p></span></code></pre>=
<pre style=3D'vertical-align:baseline'><code><span style=3D'font-family:"in=
herit",serif;border:none windowtext 1.0pt;padding:0cm'>=C2=A0=C2=A0 =C2=A0<=
/span></code><span class=3Dhljs-keyword><span style=3D'font-family:"inherit=
",serif;border:none windowtext 1.0pt;padding:0cm'>auto</span></span><code><=
span style=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;padd=
ing:0cm'> first =3D s.begin();<o:p></o:p></span></code></pre><pre style=3D'=
vertical-align:baseline'><code><span style=3D'font-family:"inherit",serif;b=
order:none windowtext 1.0pt;padding:0cm'>=C2=A0=C2=A0 =C2=A0</span></code><=
span class=3Dhljs-keyword><span style=3D'font-family:"inherit",serif;border=
:none windowtext 1.0pt;padding:0cm'>auto</span></span><code><span style=3D'=
font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'> last=
=3D s.end();<o:p></o:p></span></code></pre><pre style=3D'vertical-align:ba=
seline'><code><span style=3D'font-family:"inherit",serif;border:none window=
text 1.0pt;padding:0cm'>=C2=A0=C2=A0 =C2=A0</span></code><span class=3Dhljs=
-keyword><span style=3D'font-family:"inherit",serif;border:none windowtext =
1.0pt;padding:0cm'>bool</span></span><code><span style=3D'font-family:"inhe=
rit",serif;border:none windowtext 1.0pt;padding:0cm'> r =3D x3::phrase_pars=
e(<o:p></o:p></span></code></pre><pre style=3D'vertical-align:baseline'><co=
de><span style=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;=
padding:0cm'>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 first,<o:p></o:p></=
span></code></pre><pre style=3D'vertical-align:baseline'><code><span style=
=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 last,<o:p></o:p></span></code></=
pre><pre style=3D'vertical-align:baseline'><code><span style=3D'font-family=
:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 =C2=A0</span></code><span class=3Dhljs-comment><span =
style=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0=
cm'>//=C2=A0 Begin grammar</span></span><code><span style=3D'font-family:"i=
nherit",serif;border:none windowtext 1.0pt;padding:0cm'><o:p></o:p></span><=
/code></pre><pre style=3D'vertical-align:baseline'><code><span style=3D'fon=
t-family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 expression,<o:p></o:p></span></code></=
pre><pre style=3D'vertical-align:baseline'><code><span style=3D'font-family=
:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0 =C2=A0</span></code><span class=3Dhljs-comment><span =
style=3D'font-family:"inherit",serif;border:none windowtext 1.0pt;padding:0=
cm'>//=C2=A0 End grammar</span></span><code><span style=3D'font-family:"inh=
erit",serif;border:none windowtext 1.0pt;padding:0cm'><o:p></o:p></span></c=
ode></pre><pre style=3D'vertical-align:baseline'><code><span style=3D'font-=
family:"inherit",serif;border:none windowtext 1.0pt;padding:0cm'>=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 x3::space);</span></code><span style=3D'f=
ont-family:Consolas'><o:p></o:p></span></pre><p class=3DMsoNormal><o:p>&nbs=
p;</o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p style=3D'margin-to=
p:0cm;background:white;vertical-align:baseline'><span style=3D'font-size:11=
.5pt;font-family:"Arial",sans-serif;color:#242729'>I obtain two errors (Vis=
ual Studio 2019): <o:p></o:p></span></p><p style=3D'margin-top:0cm;backgrou=
nd:white;vertical-align:baseline'><span style=3D'font-size:11.5pt;font-fami=
ly:"Arial",sans-serif;color:#242729'>Error C2338 BOOST_SPIRIT_DEFINE undefi=
ned for this rule.<o:p></o:p></span></p><p style=3D'margin-top:0cm;backgrou=
nd:white;vertical-align:baseline'><span style=3D'font-size:11.5pt;font-fami=
ly:"Arial",sans-serif;color:#242729'> Error C2039 'parse': is not a member =
of 'boost::spirit::x3::unused_type'<o:p></o:p></span></p><p style=3D'margin=
:0cm;background:white;vertical-align:baseline;font-variant-ligatures: norma=
l;font-variant-caps: normal;font-variant-numeric: inherit;font-variant-east=
-asian: inherit;font-stretch: inherit;line-height:inherit;box-sizing: inher=
it;orphans: 2;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-thic=
kness: initial;text-decoration-style: initial;text-decoration-color: initia=
l;word-spacing:0px'><span style=3D'font-size:11.5pt;font-family:"Arial",san=
s-serif;color:#242729'>Why?<o:p></o:p></span></p><p class=3DMsoNormal><o:p>=
</o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNor=
mal><o:p> </o:p></p></div></body></html>=
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