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</pre><pre class="rust ">
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Copy</span>, <span class="ident">Clone</span>, <span class="ident">Eq</span>, <span class="ident">PartialEq</span>, <span class="ident">Hash</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">BinOp</span> {
<span class="doccomment">/// The `+` operator (addition)</span>
<span class="ident">Add</span>,
<span class="doccomment">/// The `-` operator (subtraction)</span>
<span class="ident">Sub</span>,
<span class="doccomment">/// The `*` operator (multiplication)</span>
<span class="ident">Mul</span>,
<span class="doccomment">/// The `/` operator (division)</span>
<span class="ident">Div</span>,
<span class="doccomment">/// The `%` operator (modulus)</span>
<span class="ident">Rem</span>,
<span class="doccomment">/// The `&&` operator (logical and)</span>
<span class="ident">And</span>,
<span class="doccomment">/// The `||` operator (logical or)</span>
<span class="ident">Or</span>,
<span class="doccomment">/// The `^` operator (bitwise xor)</span>
<span class="ident">BitXor</span>,
<span class="doccomment">/// The `&` operator (bitwise and)</span>
<span class="ident">BitAnd</span>,
<span class="doccomment">/// The `|` operator (bitwise or)</span>
<span class="ident">BitOr</span>,
<span class="doccomment">/// The `<<` operator (shift left)</span>
<span class="ident">Shl</span>,
<span class="doccomment">/// The `>>` operator (shift right)</span>
<span class="ident">Shr</span>,
<span class="doccomment">/// The `==` operator (equality)</span>
<span class="ident">Eq</span>,
<span class="doccomment">/// The `<` operator (less than)</span>
<span class="ident">Lt</span>,
<span class="doccomment">/// The `<=` operator (less than or equal to)</span>
<span class="ident">Le</span>,
<span class="doccomment">/// The `!=` operator (not equal to)</span>
<span class="ident">Ne</span>,
<span class="doccomment">/// The `>=` operator (greater than or equal to)</span>
<span class="ident">Ge</span>,
<span class="doccomment">/// The `>` operator (greater than)</span>
<span class="ident">Gt</span>,
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Copy</span>, <span class="ident">Clone</span>, <span class="ident">Eq</span>, <span class="ident">PartialEq</span>, <span class="ident">Hash</span>)]</span>
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">UnOp</span> {
<span class="doccomment">/// The `*` operator for dereferencing</span>
<span class="ident">Deref</span>,
<span class="doccomment">/// The `!` operator for logical inversion</span>
<span class="ident">Not</span>,
<span class="doccomment">/// The `-` operator for negation</span>
<span class="ident">Neg</span>,
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"parsing"</span>)]</span>
<span class="kw">pub</span> <span class="kw">mod</span> <span class="ident">parsing</span> {
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
<span class="macro">named</span><span class="macro">!</span>(<span class="kw">pub</span> <span class="ident">binop</span> <span class="op">-></span> <span class="ident">BinOp</span>, <span class="macro">alt</span><span class="macro">!</span>(
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"&&"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">And</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"||"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Or</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"<<"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Shl</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">">>"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Shr</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"=="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Eq</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"<="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Le</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"!="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Ne</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">">="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Ge</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"+"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Add</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"-"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Sub</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"*"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Mul</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"/"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Div</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"%"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Rem</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"^"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">BitXor</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"&"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">BitAnd</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"|"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">BitOr</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"<"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Lt</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">">"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Gt</span> }
));
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"full"</span>)]</span>
<span class="macro">named</span><span class="macro">!</span>(<span class="kw">pub</span> <span class="ident">assign_op</span> <span class="op">-></span> <span class="ident">BinOp</span>, <span class="macro">alt</span><span class="macro">!</span>(
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"+="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Add</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"-="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Sub</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"*="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Mul</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"/="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Div</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"%="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Rem</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"^="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">BitXor</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"&="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">BitAnd</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"|="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">BitOr</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"<<="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Shl</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">">>="</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">BinOp</span>::<span class="ident">Shr</span> }
));
<span class="macro">named</span><span class="macro">!</span>(<span class="kw">pub</span> <span class="ident">unop</span> <span class="op">-></span> <span class="ident">UnOp</span>, <span class="macro">alt</span><span class="macro">!</span>(
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"*"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">UnOp</span>::<span class="ident">Deref</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"!"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">UnOp</span>::<span class="ident">Not</span> }
<span class="op">|</span>
<span class="macro">punct</span><span class="macro">!</span>(<span class="string">"-"</span>) <span class="op">=></span> { <span class="op">|</span>_<span class="op">|</span> <span class="ident">UnOp</span>::<span class="ident">Neg</span> }
));
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"printing"</span>)]</span>
<span class="kw">mod</span> <span class="ident">printing</span> {
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">quote</span>::{<span class="ident">Tokens</span>, <span class="ident">ToTokens</span>};
<span class="kw">impl</span> <span class="ident">BinOp</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">op</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">BinOp</span>::<span class="ident">Add</span> <span class="op">=></span> <span class="string">"+"</span>,
<span class="ident">BinOp</span>::<span class="ident">Sub</span> <span class="op">=></span> <span class="string">"-"</span>,
<span class="ident">BinOp</span>::<span class="ident">Mul</span> <span class="op">=></span> <span class="string">"*"</span>,
<span class="ident">BinOp</span>::<span class="ident">Div</span> <span class="op">=></span> <span class="string">"/"</span>,
<span class="ident">BinOp</span>::<span class="ident">Rem</span> <span class="op">=></span> <span class="string">"%"</span>,
<span class="ident">BinOp</span>::<span class="ident">And</span> <span class="op">=></span> <span class="string">"&&"</span>,
<span class="ident">BinOp</span>::<span class="ident">Or</span> <span class="op">=></span> <span class="string">"||"</span>,
<span class="ident">BinOp</span>::<span class="ident">BitXor</span> <span class="op">=></span> <span class="string">"^"</span>,
<span class="ident">BinOp</span>::<span class="ident">BitAnd</span> <span class="op">=></span> <span class="string">"&"</span>,
<span class="ident">BinOp</span>::<span class="ident">BitOr</span> <span class="op">=></span> <span class="string">"|"</span>,
<span class="ident">BinOp</span>::<span class="ident">Shl</span> <span class="op">=></span> <span class="string">"<<"</span>,
<span class="ident">BinOp</span>::<span class="ident">Shr</span> <span class="op">=></span> <span class="string">">>"</span>,
<span class="ident">BinOp</span>::<span class="ident">Eq</span> <span class="op">=></span> <span class="string">"=="</span>,
<span class="ident">BinOp</span>::<span class="ident">Lt</span> <span class="op">=></span> <span class="string">"<"</span>,
<span class="ident">BinOp</span>::<span class="ident">Le</span> <span class="op">=></span> <span class="string">"<="</span>,
<span class="ident">BinOp</span>::<span class="ident">Ne</span> <span class="op">=></span> <span class="string">"!="</span>,
<span class="ident">BinOp</span>::<span class="ident">Ge</span> <span class="op">=></span> <span class="string">">="</span>,
<span class="ident">BinOp</span>::<span class="ident">Gt</span> <span class="op">=></span> <span class="string">">"</span>,
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">assign_op</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span><span class="op">></span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">BinOp</span>::<span class="ident">Add</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"+="</span>),
<span class="ident">BinOp</span>::<span class="ident">Sub</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"-="</span>),
<span class="ident">BinOp</span>::<span class="ident">Mul</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"*="</span>),
<span class="ident">BinOp</span>::<span class="ident">Div</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"/="</span>),
<span class="ident">BinOp</span>::<span class="ident">Rem</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"%="</span>),
<span class="ident">BinOp</span>::<span class="ident">BitXor</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"^="</span>),
<span class="ident">BinOp</span>::<span class="ident">BitAnd</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"&="</span>),
<span class="ident">BinOp</span>::<span class="ident">BitOr</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"|="</span>),
<span class="ident">BinOp</span>::<span class="ident">Shl</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">"<<="</span>),
<span class="ident">BinOp</span>::<span class="ident">Shr</span> <span class="op">=></span> <span class="prelude-val">Some</span>(<span class="string">">>="</span>),
_ <span class="op">=></span> <span class="prelude-val">None</span>,
}
}
}
<span class="kw">impl</span> <span class="ident">ToTokens</span> <span class="kw">for</span> <span class="ident">BinOp</span> {
<span class="kw">fn</span> <span class="ident">to_tokens</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">tokens</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Tokens</span>) {
<span class="ident">tokens</span>.<span class="ident">append</span>(<span class="self">self</span>.<span class="ident">op</span>());
}
}
<span class="kw">impl</span> <span class="ident">UnOp</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">op</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span> {
<span class="kw">match</span> <span class="kw-2">*</span><span class="self">self</span> {
<span class="ident">UnOp</span>::<span class="ident">Deref</span> <span class="op">=></span> <span class="string">"*"</span>,
<span class="ident">UnOp</span>::<span class="ident">Not</span> <span class="op">=></span> <span class="string">"!"</span>,
<span class="ident">UnOp</span>::<span class="ident">Neg</span> <span class="op">=></span> <span class="string">"-"</span>,
}
}
}
<span class="kw">impl</span> <span class="ident">ToTokens</span> <span class="kw">for</span> <span class="ident">UnOp</span> {
<span class="kw">fn</span> <span class="ident">to_tokens</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">tokens</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Tokens</span>) {
<span class="ident">tokens</span>.<span class="ident">append</span>(<span class="self">self</span>.<span class="ident">op</span>());
}
}
}
</pre>
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