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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `crates/driver/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script>
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</pre><pre class="rust"><code><span class="attribute">#![<span class="ident">allow</span>(<span class="ident">unused_imports</span>, <span class="ident">dead_code</span>)]</span>
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">fe_mir::db::NewDb</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">fe_yulgen::Db</span>;
<span class="kw">use</span> <span class="ident">fe_analyzer::context::Analysis</span>;
<span class="kw">use</span> <span class="ident">fe_analyzer::namespace::items</span>::{<span class="ident">IngotId</span>, <span class="ident">IngotMode</span>, <span class="ident">ModuleId</span>};
<span class="kw">use</span> <span class="ident">fe_analyzer::AnalyzerDb</span>;
<span class="kw">use</span> <span class="ident">fe_common::diagnostics</span>::{<span class="ident">print_diagnostics</span>, <span class="ident">Diagnostic</span>};
<span class="kw">use</span> <span class="ident">fe_common::files</span>::{<span class="ident">FileKind</span>, <span class="ident">SourceFileId</span>};
<span class="kw">use</span> <span class="ident">fe_mir::db::MirDb</span>;
<span class="kw">use</span> <span class="ident">fe_parser::ast::SmolStr</span>;
<span class="kw">use</span> <span class="ident">fe_yulgen::YulgenDb</span>;
<span class="kw">use</span> <span class="ident">indexmap</span>::{<span class="ident">indexmap</span>, <span class="ident">IndexMap</span>};
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"solc-backend"</span>)]</span>
<span class="kw">use</span> <span class="ident">serde_json::Value</span>;
<span class="kw">use</span> <span class="ident">std::ops::Deref</span>;
<span class="kw">use</span> <span class="ident">std::path::Path</span>;
<span class="doccomment">/// The artifacts of a compiled module.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CompiledModule</span> {
<span class="kw">pub</span> <span class="ident">src_ast</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">lowered_ast</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">contracts</span>: <span class="ident">IndexMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">CompiledContract</span><span class="op">></span>,
}
<span class="doccomment">/// The artifacts of a compiled contract.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CompiledContract</span> {
<span class="kw">pub</span> <span class="ident">json_abi</span>: <span class="ident">String</span>,
<span class="kw">pub</span> <span class="ident">yul</span>: <span class="ident">String</span>,
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"solc-backend"</span>)]</span>
<span class="kw">pub</span> <span class="ident">bytecode</span>: <span class="ident">String</span>,
}
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">CompileError</span>(<span class="kw">pub</span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">Diagnostic</span><span class="op">></span>);
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">compile_single_file</span>(
<span class="ident">db</span>: <span class="kw-2">&mut</span> <span class="ident">Db</span>,
<span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>,
<span class="ident">src</span>: <span class="kw-2">&</span><span class="ident">str</span>,
<span class="ident">with_bytecode</span>: <span class="ident">bool</span>,
<span class="ident">optimize</span>: <span class="ident">bool</span>,
) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">CompiledModule</span>, <span class="ident">CompileError</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">module</span> <span class="op">=</span> <span class="ident">ModuleId::new_standalone</span>(<span class="ident">db</span>, <span class="ident">path</span>, <span class="ident">src</span>);
<span class="kw">let</span> <span class="ident">diags</span> <span class="op">=</span> <span class="ident">module</span>.<span class="ident">diagnostics</span>(<span class="ident">db</span>);
<span class="kw">if</span> <span class="ident">diags</span>.<span class="ident">is_empty</span>() {
<span class="ident">compile_module_id</span>(<span class="ident">db</span>, <span class="ident">module</span>, <span class="ident">with_bytecode</span>, <span class="ident">optimize</span>)
} <span class="kw">else</span> {
<span class="prelude-val">Err</span>(<span class="ident">CompileError</span>(<span class="ident">diags</span>))
}
}
<span class="doccomment">/// Compiles the main module of a project.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If `with_bytecode` is set to false, the compiler will skip the final Yul -></span>
<span class="doccomment">/// Bytecode pass. This is useful when debugging invalid Yul code.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">compile_ingot</span>(
<span class="ident">db</span>: <span class="kw-2">&mut</span> <span class="ident">Db</span>,
<span class="ident">name</span>: <span class="kw-2">&</span><span class="ident">str</span>,
<span class="ident">files</span>: <span class="kw-2">&</span>[(<span class="kw">impl</span> <span class="ident">AsRef</span><span class="op"><</span><span class="ident">str</span><span class="op">></span>, <span class="kw">impl</span> <span class="ident">AsRef</span><span class="op"><</span><span class="ident">str</span><span class="op">></span>)],
<span class="ident">with_bytecode</span>: <span class="ident">bool</span>,
<span class="ident">optimize</span>: <span class="ident">bool</span>,
) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">CompiledModule</span>, <span class="ident">CompileError</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">std</span> <span class="op">=</span> <span class="ident">IngotId::std_lib</span>(<span class="ident">db</span>);
<span class="kw">let</span> <span class="ident">ingot</span> <span class="op">=</span> <span class="ident">IngotId::from_files</span>(
<span class="ident">db</span>,
<span class="ident">name</span>,
<span class="ident">IngotMode::Main</span>,
<span class="ident">FileKind::Local</span>,
<span class="ident">files</span>,
<span class="macro">indexmap!</span> { <span class="string">"std"</span>.<span class="ident">into</span>() => <span class="ident">std</span> },
);
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">diags</span> <span class="op">=</span> <span class="ident">ingot</span>.<span class="ident">diagnostics</span>(<span class="ident">db</span>);
<span class="ident">ingot</span>.<span class="ident">sink_external_ingot_diagnostics</span>(<span class="ident">db</span>, <span class="kw-2">&mut</span> <span class="ident">diags</span>);
<span class="kw">if</span> <span class="op">!</span><span class="ident">diags</span>.<span class="ident">is_empty</span>() {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">CompileError</span>(<span class="ident">diags</span>));
}
<span class="kw">let</span> <span class="ident">main_module</span> <span class="op">=</span> <span class="ident">ingot</span>
.<span class="ident">root_module</span>(<span class="ident">db</span>)
.<span class="ident">expect</span>(<span class="string">"missing root module, with no diagnostic"</span>);
<span class="ident">compile_module_id</span>(<span class="ident">db</span>, <span class="ident">main_module</span>, <span class="ident">with_bytecode</span>, <span class="ident">optimize</span>)
}
<span class="doccomment">/// Returns graphviz string.</span>
<span class="comment">// TODO: This is temporary function for debugging.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">dump_mir_single_file</span>(<span class="ident">db</span>: <span class="kw-2">&mut</span> <span class="ident">NewDb</span>, <span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>, <span class="ident">src</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">CompileError</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">module</span> <span class="op">=</span> <span class="ident">ModuleId::new_standalone</span>(<span class="ident">db</span>, <span class="ident">path</span>, <span class="ident">src</span>);
<span class="kw">let</span> <span class="ident">diags</span> <span class="op">=</span> <span class="ident">module</span>.<span class="ident">diagnostics</span>(<span class="ident">db</span>);
<span class="kw">if</span> <span class="op">!</span><span class="ident">diags</span>.<span class="ident">is_empty</span>() {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">CompileError</span>(<span class="ident">diags</span>));
}
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">text</span> <span class="op">=</span> <span class="macro">vec!</span>[];
<span class="ident">fe_mir::graphviz::write_mir_graphs</span>(<span class="ident">db</span>, <span class="ident">module</span>, <span class="kw-2">&mut</span> <span class="ident">text</span>).<span class="ident">unwrap</span>();
<span class="prelude-val">Ok</span>(<span class="ident">String::from_utf8</span>(<span class="ident">text</span>).<span class="ident">unwrap</span>())
}
<span class="kw">fn</span> <span class="ident">compile_module_id</span>(
<span class="ident">db</span>: <span class="kw-2">&mut</span> <span class="ident">Db</span>,
<span class="ident">module_id</span>: <span class="ident">ModuleId</span>,
<span class="ident">_with_bytecode</span>: <span class="ident">bool</span>,
<span class="ident">_optimize</span>: <span class="ident">bool</span>,
) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">CompiledModule</span>, <span class="ident">CompileError</span><span class="op">></span> {
<span class="comment">// build abi</span>
<span class="kw">let</span> <span class="ident">json_abis</span> <span class="op">=</span> <span class="ident">fe_abi::build</span>(<span class="ident">db</span>, <span class="ident">module_id</span>).<span class="ident">expect</span>(<span class="string">"failed to generate abi"</span>);
<span class="comment">// lower the AST</span>
<span class="kw">let</span> <span class="ident">lowered_module_id</span> <span class="op">=</span> <span class="ident">fe_lowering::lower_main_module</span>(<span class="ident">db</span>, <span class="ident">module_id</span>);
<span class="kw">let</span> <span class="ident">lowered_ast</span> <span class="op">=</span> <span class="macro">format!</span>(<span class="string">"{:#?}"</span>, <span class="kw-2">&</span><span class="ident">lowered_module_id</span>.<span class="ident">ast</span>(<span class="ident">db</span>));
<span class="kw">if</span> <span class="op">!</span><span class="ident">lowered_module_id</span>.<span class="ident">diagnostics</span>(<span class="ident">db</span>).<span class="ident">is_empty</span>() {
<span class="macro">eprintln!</span>(<span class="string">"Error: Analysis of lowered module resulted in the following errors:"</span>);
<span class="ident">print_diagnostics</span>(<span class="ident">db</span>, <span class="kw-2">&</span><span class="ident">lowered_module_id</span>.<span class="ident">diagnostics</span>(<span class="ident">db</span>));
<span class="macro">panic!</span>(<span class="string">"Lowered module has errors. Unfortunately, this is a bug in the Fe compiler."</span>)
}
<span class="comment">// compile to yul</span>
<span class="kw">let</span> <span class="ident">yul_contracts</span> <span class="op">=</span> <span class="ident">fe_yulgen::compile</span>(<span class="ident">db</span>, <span class="ident">lowered_module_id</span>);
<span class="comment">// compile to bytecode if required</span>
<span class="kw">let</span> <span class="ident">_bytecode_contracts</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">_with_bytecode</span> {
<span class="ident">compile_yul</span>(<span class="ident">yul_contracts</span>.<span class="ident">iter</span>(), <span class="ident">_optimize</span>)
} <span class="kw">else</span> {
<span class="ident">IndexMap::new</span>()
};
<span class="comment">// combine all of the named contract maps</span>
<span class="kw">let</span> <span class="ident">contracts</span> <span class="op">=</span> <span class="ident">json_abis</span>
.<span class="ident">keys</span>()
.<span class="ident">map</span>(<span class="op">|</span><span class="ident">name</span><span class="op">|</span> {
(
<span class="ident">name</span>.<span class="ident">clone</span>(),
<span class="ident">CompiledContract</span> {
<span class="ident">json_abi</span>: <span class="ident">json_abis</span>[<span class="ident">name</span>].<span class="ident">clone</span>(),
<span class="ident">yul</span>: <span class="ident">yul_contracts</span>[<span class="ident">name</span>].<span class="ident">clone</span>(),
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"solc-backend"</span>)]</span>
<span class="ident">bytecode</span>: <span class="kw">if</span> <span class="ident">_with_bytecode</span> {
<span class="ident">_bytecode_contracts</span>[<span class="ident">name</span>].<span class="ident">to_owned</span>()
} <span class="kw">else</span> {
<span class="string">""</span>.<span class="ident">to_string</span>()
},
},
)
})
.<span class="ident">collect</span>::<span class="op"><</span><span class="ident">IndexMap</span><span class="op"><</span><span class="kw">_</span>, <span class="kw">_</span><span class="op">></span><span class="op">></span>();
<span class="prelude-val">Ok</span>(<span class="ident">CompiledModule</span> {
<span class="ident">src_ast</span>: <span class="macro">format!</span>(<span class="string">"{:?}"</span>, <span class="ident">module_id</span>.<span class="ident">ast</span>(<span class="ident">db</span>)),
<span class="ident">lowered_ast</span>,
<span class="ident">contracts</span>,
})
}
<span class="kw">fn</span> <span class="ident">compile_yul</span>(
<span class="ident">_contracts</span>: <span class="kw">impl</span> <span class="ident">Iterator</span><span class="op"><</span><span class="ident">Item</span> <span class="op">=</span> (<span class="kw">impl</span> <span class="ident">AsRef</span><span class="op"><</span><span class="ident">str</span><span class="op">></span>, <span class="kw">impl</span> <span class="ident">AsRef</span><span class="op"><</span><span class="ident">str</span><span class="op">></span>)<span class="op">></span>,
<span class="ident">_optimize</span>: <span class="ident">bool</span>,
) -> <span class="ident">IndexMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">String</span><span class="op">></span> {
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"solc-backend"</span>)]</span>
{
<span class="kw">match</span> <span class="ident">fe_yulc::compile</span>(<span class="ident">_contracts</span>, <span class="ident">_optimize</span>) {
<span class="prelude-val">Err</span>(<span class="ident">error</span>) => {
<span class="kw">for</span> <span class="ident">error</span> <span class="kw">in</span> <span class="ident">serde_json::from_str</span>::<span class="op"><</span><span class="ident">Value</span><span class="op">></span>(<span class="kw-2">&</span><span class="ident">error</span>.<span class="number">0</span>)
.<span class="ident">expect</span>(<span class="string">"unable to deserialize json output"</span>)[<span class="string">"errors"</span>]
.<span class="ident">as_array</span>()
.<span class="ident">expect</span>(<span class="string">"errors not an array"</span>)
{
<span class="macro">eprintln!</span>(
<span class="string">"Error: {}"</span>,
<span class="ident">error</span>[<span class="string">"formattedMessage"</span>]
.<span class="ident">as_str</span>()
.<span class="ident">expect</span>(<span class="string">"error value not a string"</span>)
.<span class="ident">replace</span>(<span class="string">"\\\n"</span>, <span class="string">"\n"</span>)
)
}
<span class="macro">panic!</span>(<span class="string">"Yul compilation failed with the above errors"</span>)
}
<span class="prelude-val">Ok</span>(<span class="ident">contracts</span>) => <span class="ident">contracts</span>,
}
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"solc-backend"</span>))]</span>
<span class="ident">IndexMap::new</span>()
}
</code></pre></div>
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