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aria-label=Breadcrumbs><ul class=breadcrumbs><li class=breadcrumbs__item><a aria-label="Home page" class=breadcrumbs__link href=/><svg viewBox="0 0 24 24" class=breadcrumbHomeIcon_YNFT><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill=currentColor /></svg></a><li class=breadcrumbs__item><span class=breadcrumbs__link>Schema IDL & Compiler</span><li class="breadcrumbs__item breadcrumbs__item--active"><span class=breadcrumbs__link>Compiler Guide</span></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: 0.15</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type=button class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Compiler Guide</h1></header><p>This guide covers installation, usage, and integration of the Fory IDL compiler.</p> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=installation>Installation<a href=#installation class=hash-link aria-label="Direct link to Installation" title="Direct link to Installation" translate=no></a></h2> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=from-source>From Source<a href=#from-source class=hash-link aria-label="Direct link to From Source" title="Direct link to From Source" translate=no></a></h3> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token builtin class-name">cd</span><span class="token plain"> compiler</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">pip </span><span class="token function" style=color:#d73a49>install</span><span class="token plain"> </span><span class="token parameter variable" style=color:#36acaa>-e</span><span class="token plain"> </span><span class="token builtin class-name">.</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=verify-installation>Verify Installation<a href=#verify-installation class=hash-link aria-label="Direct link to Verify Installation" title="Direct link to Verify Installation" translate=no></a></h3> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc </span><span class="token parameter variable" style=color:#36acaa>--help</span><br/></div></code></pre></div></div> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=command-line-interface>Command Line Interface<a href=#command-line-interface class=hash-link aria-label="Direct link to Command Line Interface" title="Direct link to Command Line Interface" translate=no></a></h2> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=basic-usage>Basic Usage<a href=#basic-usage class=hash-link aria-label="Direct link to Basic Usage" title="Direct link to Basic Usage" translate=no></a></h3> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc </span><span class="token punctuation" style=color:#393A34>[</span><span class="token plain">OPTIONS</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"> FILES</span><span class="token punctuation" style=color:#393A34>..</span><span class="token plain">.</span><br/></div></code></pre></div></div> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc --scan-generated </span><span class="token punctuation" style=color:#393A34>[</span><span class="token plain">OPTIONS</span><span class="token punctuation" style=color:#393A34>]</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=options>Options<a href=#options class=hash-link aria-label="Direct link to Options" title="Direct link to Options" translate=no></a></h3> |
| <p>Compile options:</p> |
| <table><thead><tr><th>Option<th>Description<th>Default<tbody><tr><td><code>--lang</code><td>Comma-separated target languages<td><code>all</code><tr><td><code>--output</code>, <code>-o</code><td>Output directory<td><code>./generated</code><tr><td><code>--package</code><td>Override package name from Fory IDL file<td>(from file)<tr><td><code>-I</code>, <code>--proto_path</code>, <code>--import_path</code><td>Add directory to import search path (can be repeated)<td>(none)<tr><td><code>--java_out=DST_DIR</code><td>Generate Java code in DST_DIR<td>(none)<tr><td><code>--python_out=DST_DIR</code><td>Generate Python code in DST_DIR<td>(none)<tr><td><code>--cpp_out=DST_DIR</code><td>Generate C++ code in DST_DIR<td>(none)<tr><td><code>--go_out=DST_DIR</code><td>Generate Go code in DST_DIR<td>(none)<tr><td><code>--rust_out=DST_DIR</code><td>Generate Rust code in DST_DIR<td>(none)<tr><td><code>--go_nested_type_style</code><td>Go nested type naming: <code>camelcase</code> or <code>underscore</code><td>from schema/default<tr><td><code>--emit-fdl</code><td>Print translated Fory IDL for non-<code>.fdl</code> inputs<td><code>false</code><tr><td><code>--emit-fdl-path</code><td>Write translated Fory IDL to a file or directory<td>(stdout)</table> |
| <p>Scan options (with <code>--scan-generated</code>):</p> |
| <table><thead><tr><th>Option<th>Description<th>Default<tbody><tr><td><code>--root</code><td>Root directory to scan<td><code>.</code><tr><td><code>--relative</code><td>Print paths relative to root<td><code>false</code><tr><td><code>--delete</code><td>Delete matched generated files<td><code>false</code><tr><td><code>--dry-run</code><td>Scan/print only, do not delete<td><code>false</code></table> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=scan-generated-files>Scan Generated Files<a href=#scan-generated-files class=hash-link aria-label="Direct link to Scan Generated Files" title="Direct link to Scan Generated Files" translate=no></a></h3> |
| <p>Use <code>--scan-generated</code> to find files produced by <code>foryc</code>. The scanner walks |
| the tree recursively, skips <code>build/</code>, <code>target/</code>, and hidden directories, and prints |
| each generated file as it is found.</p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic># Scan current directory</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc --scan-generated</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Scan a specific root</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc --scan-generated </span><span class="token parameter variable" style=color:#36acaa>--root</span><span class="token plain"> ./src</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Print paths relative to the scan root</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc --scan-generated </span><span class="token parameter variable" style=color:#36acaa>--root</span><span class="token plain"> ./src </span><span class="token parameter variable" style=color:#36acaa>--relative</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Delete scanned generated files</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc --scan-generated </span><span class="token parameter variable" style=color:#36acaa>--root</span><span class="token plain"> ./src </span><span class="token parameter variable" style=color:#36acaa>--delete</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Dry-run (scan and print only)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc --scan-generated </span><span class="token parameter variable" style=color:#36acaa>--root</span><span class="token plain"> ./src --dry-run</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=examples>Examples<a href=#examples class=hash-link aria-label="Direct link to Examples" title="Direct link to Examples" translate=no></a></h3> |
| <p><strong>Compile for all languages:</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc schema.fdl</span><br/></div></code></pre></div></div> |
| <p><strong>Compile for specific languages:</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc schema.fdl </span><span class="token parameter variable" style=color:#36acaa>--lang</span><span class="token plain"> java,python</span><br/></div></code></pre></div></div> |
| <p><strong>Specify output directory:</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc schema.fdl </span><span class="token parameter variable" style=color:#36acaa>--output</span><span class="token plain"> ./src/generated</span><br/></div></code></pre></div></div> |
| <p><strong>Override package name:</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc schema.fdl </span><span class="token parameter variable" style=color:#36acaa>--package</span><span class="token plain"> com.myapp.models</span><br/></div></code></pre></div></div> |
| <p><strong>Compile multiple files:</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc user.fdl order.fdl product.fdl </span><span class="token parameter variable" style=color:#36acaa>--output</span><span class="token plain"> ./generated</span><br/></div></code></pre></div></div> |
| <p><strong>Use import search paths:</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic># Add a single import path</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc src/main.fdl </span><span class="token parameter variable" style=color:#36acaa>-I</span><span class="token plain"> libs/common</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Add multiple import paths (repeated option)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc src/main.fdl </span><span class="token parameter variable" style=color:#36acaa>-I</span><span class="token plain"> libs/common </span><span class="token parameter variable" style=color:#36acaa>-I</span><span class="token plain"> libs/types</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Add multiple import paths (comma-separated)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc src/main.fdl </span><span class="token parameter variable" style=color:#36acaa>-I</span><span class="token plain"> libs/common,libs/types,third_party/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Using --proto_path (protoc-compatible alias)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc src/main.fdl </span><span class="token parameter variable" style=color:#36acaa>--proto_path</span><span class="token operator" style=color:#393A34>=</span><span class="token plain">libs/common</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Mix all styles</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc src/main.fdl </span><span class="token parameter variable" style=color:#36acaa>-I</span><span class="token plain"> libs/common,libs/types </span><span class="token parameter variable" style=color:#36acaa>--proto_path</span><span class="token plain"> third_party/</span><br/></div></code></pre></div></div> |
| <p><strong>Language-specific output directories (protoc-style):</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic># Generate only Java code to a specific directory</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc schema.fdl </span><span class="token parameter variable" style=color:#36acaa>--java_out</span><span class="token operator" style=color:#393A34>=</span><span class="token plain">./src/main/java</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Generate multiple languages to different directories</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc schema.fdl </span><span class="token parameter variable" style=color:#36acaa>--java_out</span><span class="token operator" style=color:#393A34>=</span><span class="token plain">./java/gen </span><span class="token parameter variable" style=color:#36acaa>--python_out</span><span class="token operator" style=color:#393A34>=</span><span class="token plain">./python/src </span><span class="token parameter variable" style=color:#36acaa>--go_out</span><span class="token operator" style=color:#393A34>=</span><span class="token plain">./go/gen</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Combine with import paths</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc schema.fdl </span><span class="token parameter variable" style=color:#36acaa>--java_out</span><span class="token operator" style=color:#393A34>=</span><span class="token plain">./gen/java </span><span class="token parameter variable" style=color:#36acaa>-I</span><span class="token plain"> proto/ </span><span class="token parameter variable" style=color:#36acaa>-I</span><span class="token plain"> common/</span><br/></div></code></pre></div></div> |
| <p>When using <code>--{lang}_out</code> options:</p> |
| <ul> |
| <li class="">Only the specified languages are generated (not all languages)</li> |
| <li class="">The compiler writes under the specified directory (language-specific generators may still create package/module subdirectories)</li> |
| <li class="">This is compatible with protoc-style workflows</li> |
| </ul> |
| <p><strong>Inspect translated Fory IDL from proto/fbs input:</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic># Print translated Fory IDL to stdout</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc schema.proto --emit-fdl</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Write translated Fory IDL to a directory</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc schema.fbs --emit-fdl --emit-fdl-path ./translated</span><br/></div></code></pre></div></div> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=import-path-resolution>Import Path Resolution<a href=#import-path-resolution class=hash-link aria-label="Direct link to Import Path Resolution" title="Direct link to Import Path Resolution" translate=no></a></h2> |
| <p>When compiling Fory IDL files with imports, the compiler searches for imported files in this order:</p> |
| <ol> |
| <li class=""><strong>Relative to the importing file (default)</strong> - The directory containing the file with the import statement is always searched first, automatically. No <code>-I</code> flag needed for same-directory imports.</li> |
| <li class=""><strong>Each <code>-I</code> path in order</strong> - Additional search paths specified on the command line</li> |
| </ol> |
| <p><strong>Same-directory imports work automatically:</strong></p> |
| <div class="language-protobuf codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-protobuf codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic>// main.fdl</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>import</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"common.fdl"</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Found if common.fdl is in the same directory</span><br/></div></code></pre></div></div> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic># No -I needed for same-directory imports</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">foryc main.fdl</span><br/></div></code></pre></div></div> |
| <p><strong>Example project structure:</strong></p> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">project/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">├── src/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">│ └── main.fdl # import "common.fdl";</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">└── libs/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── common.fdl</span><br/></div></code></pre></div></div> |
| <p><strong>Without <code>-I</code> (fails):</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">$ foryc src/main.fdl</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">Import error: Import not found: common.fdl</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> Searched in: /project/src</span><br/></div></code></pre></div></div> |
| <p><strong>With <code>-I</code> (succeeds):</strong></p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">$ foryc src/main.fdl </span><span class="token parameter variable" style=color:#36acaa>-I</span><span class="token plain"> libs/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">Compiling src/main.fdl</span><span class="token punctuation" style=color:#393A34>..</span><span class="token plain">.</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> Resolved </span><span class="token number" style=color:#36acaa>1</span><span class="token plain"> import</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">s</span><span class="token punctuation" style=color:#393A34>)</span><br/></div></code></pre></div></div> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=supported-languages>Supported Languages<a href=#supported-languages class=hash-link aria-label="Direct link to Supported Languages" title="Direct link to Supported Languages" translate=no></a></h2> |
| <table><thead><tr><th>Language<th>Flag<th>Output Extension<th>Description<tbody><tr><td>Java<td><code>java</code><td><code>.java</code><td>POJOs with Fory annotations<tr><td>Python<td><code>python</code><td><code>.py</code><td>Dataclasses with type hints<tr><td>Go<td><code>go</code><td><code>.go</code><td>Structs with struct tags<tr><td>Rust<td><code>rust</code><td><code>.rs</code><td>Structs with derive macros<tr><td>C++<td><code>cpp</code><td><code>.h</code><td>Structs with FORY macros</table> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=output-structure>Output Structure<a href=#output-structure class=hash-link aria-label="Direct link to Output Structure" title="Direct link to Output Structure" translate=no></a></h2> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=java>Java<a href=#java class=hash-link aria-label="Direct link to Java" title="Direct link to Java" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">generated/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">└── java/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── com/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── example/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> ├── User.java</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> ├── Order.java</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> ├── Status.java</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── ExampleForyRegistration.java</span><br/></div></code></pre></div></div> |
| <ul> |
| <li class="">One file per type (enum or message)</li> |
| <li class="">Package structure matches Fory IDL package</li> |
| <li class="">Registration helper class generated</li> |
| </ul> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=python>Python<a href=#python class=hash-link aria-label="Direct link to Python" title="Direct link to Python" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">generated/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">└── python/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── example.py</span><br/></div></code></pre></div></div> |
| <ul> |
| <li class="">Single module with all types</li> |
| <li class="">Module name derived from package</li> |
| <li class="">Registration function included</li> |
| </ul> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=go>Go<a href=#go class=hash-link aria-label="Direct link to Go" title="Direct link to Go" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">generated/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">└── go/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── example/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── example.go</span><br/></div></code></pre></div></div> |
| <ul> |
| <li class="">Single file with all types</li> |
| <li class="">Directory and package name are derived from <code>go_package</code> or the Fory IDL package</li> |
| <li class="">Registration function included</li> |
| </ul> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=rust>Rust<a href=#rust class=hash-link aria-label="Direct link to Rust" title="Direct link to Rust" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">generated/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">└── rust/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── example.rs</span><br/></div></code></pre></div></div> |
| <ul> |
| <li class="">Single module with all types</li> |
| <li class="">Module name derived from package</li> |
| <li class="">Registration function included</li> |
| </ul> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=c>C++<a href=#c class=hash-link aria-label="Direct link to C++" title="Direct link to C++" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">generated/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">└── cpp/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> └── example.h</span><br/></div></code></pre></div></div> |
| <ul> |
| <li class="">Single header file</li> |
| <li class="">Namespace matches package (dots to <code>::</code>)</li> |
| <li class="">Header guards and forward declarations</li> |
| </ul> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=build-integration>Build Integration<a href=#build-integration class=hash-link aria-label="Direct link to Build Integration" title="Direct link to Build Integration" translate=no></a></h2> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=maven-java>Maven (Java)<a href=#maven-java class=hash-link aria-label="Direct link to Maven (Java)" title="Direct link to Maven (Java)" translate=no></a></h3> |
| <p>Add to your <code>pom.xml</code>:</p> |
| <div class="language-xml codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-xml codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>build</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>plugins</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>plugin</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>groupId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">org.codehaus.mojo</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>groupId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>artifactId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">exec-maven-plugin</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>artifactId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>version</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">3.1.0</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>version</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>executions</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>execution</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>id</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">generate-fory-types</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>id</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>phase</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">generate-sources</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>phase</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>goals</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>goal</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">exec</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>goal</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>goals</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>configuration</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>executable</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">foryc</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>executable</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>arguments</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>argument</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">${project.basedir}/src/main/fdl/schema.fdl</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>argument</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>argument</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">--java_out</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>argument</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>argument</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">${project.build.directory}/generated-sources/fory</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>argument</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>arguments</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>configuration</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>execution</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>executions</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>plugin</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>plugins</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>build</span><span class="token tag punctuation" style=color:#393A34>></span><br/></div></code></pre></div></div> |
| <p>Add generated sources:</p> |
| <div class="language-xml codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-xml codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>build</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>plugins</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>plugin</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>groupId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">org.codehaus.mojo</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>groupId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>artifactId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">build-helper-maven-plugin</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>artifactId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>version</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">3.4.0</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>version</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>executions</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>execution</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>phase</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">generate-sources</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>phase</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>goals</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>goal</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">add-source</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>goal</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>goals</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>configuration</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>sources</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>source</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">${project.build.directory}/generated-sources/fory</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>source</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>sources</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>configuration</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>execution</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>executions</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>plugin</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>plugins</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>build</span><span class="token tag punctuation" style=color:#393A34>></span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=gradle-javakotlin>Gradle (Java/Kotlin)<a href=#gradle-javakotlin class=hash-link aria-label="Direct link to Gradle (Java/Kotlin)" title="Direct link to Gradle (Java/Kotlin)" translate=no></a></h3> |
| <p>Add to <code>build.gradle</code>:</p> |
| <div class="language-groovy codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-groovy codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">task generateForyTypes(type: Exec) {</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> commandLine 'foryc',</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> "${projectDir}/src/main/fdl/schema.fdl",</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> '--java_out', "${buildDir}/generated/sources/fory"</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">}</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">compileJava.dependsOn generateForyTypes</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">sourceSets {</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> main {</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> java {</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> srcDir "${buildDir}/generated/sources/fory"</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> }</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> }</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">}</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=python-setuptools>Python (setuptools)<a href=#python-setuptools class=hash-link aria-label="Direct link to Python (setuptools)" title="Direct link to Python (setuptools)" translate=no></a></h3> |
| <p>Add to <code>setup.py</code> or <code>pyproject.toml</code>:</p> |
| <div class="language-python codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-python codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic># setup.py</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>from</span><span class="token plain"> setuptools </span><span class="token keyword" style=color:#00009f>import</span><span class="token plain"> setup</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>from</span><span class="token plain"> setuptools</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">command</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">build_py </span><span class="token keyword" style=color:#00009f>import</span><span class="token plain"> build_py</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>import</span><span class="token plain"> subprocess</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">BuildWithForyIdl</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">build_py</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>def</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>run</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">self</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> subprocess</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">run</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>[</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token string" style=color:#e3116c>'foryc'</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token string" style=color:#e3116c>'schema.fdl'</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token string" style=color:#e3116c>'--python_out'</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>'src/generated'</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>]</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> check</span><span class="token operator" style=color:#393A34>=</span><span class="token boolean" style=color:#36acaa>True</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token builtin">super</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">run</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">setup</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> cmdclass</span><span class="token operator" style=color:#393A34>=</span><span class="token punctuation" style=color:#393A34>{</span><span class="token string" style=color:#e3116c>'build_py'</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> BuildWithForyIdl</span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic># ...</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>)</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=go-go-generate>Go (go generate)<a href=#go-go-generate class=hash-link aria-label="Direct link to Go (go generate)" title="Direct link to Go (go generate)" translate=no></a></h3> |
| <p>Add to your Go file:</p> |
| <div class="language-go codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-go codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic>//go:generate foryc ../schema.fdl --lang go --output .</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>package</span><span class="token plain"> models</span><br/></div></code></pre></div></div> |
| <p>Run:</p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">go generate ./</span><span class="token punctuation" style=color:#393A34>..</span><span class="token plain">.</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=rust-buildrs>Rust (build.rs)<a href=#rust-buildrs class=hash-link aria-label="Direct link to Rust (build.rs)" title="Direct link to Rust (build.rs)" translate=no></a></h3> |
| <p>Add to <code>build.rs</code>:</p> |
| <div class="language-rust codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-rust codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>use</span><span class="token plain"> </span><span class="token namespace" style=opacity:0.7>std</span><span class="token namespace punctuation" style=opacity:0.7;color:#393A34>::</span><span class="token namespace" style=opacity:0.7>process</span><span class="token namespace punctuation" style=opacity:0.7;color:#393A34>::</span><span class="token class-name">Command</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>fn</span><span class="token plain"> </span><span class="token function-definition function" style=color:#d73a49>main</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token macro property" style=color:#36acaa>println!</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"cargo:rerun-if-changed=schema.fdl"</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>let</span><span class="token plain"> status </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Command</span><span class="token punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>new</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"foryc"</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>args</span><span class="token punctuation" style=color:#393A34>(</span><span class="token operator" style=color:#393A34>&</span><span class="token punctuation" style=color:#393A34>[</span><span class="token string" style=color:#e3116c>"schema.fdl"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"--rust_out"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"src/generated"</span><span class="token punctuation" style=color:#393A34>]</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>status</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>expect</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"Failed to run foryc"</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>if</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>!</span><span class="token plain">status</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>success</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token macro property" style=color:#36acaa>panic!</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"Fory IDL compilation failed"</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=cmake-c>CMake (C++)<a href=#cmake-c class=hash-link aria-label="Direct link to CMake (C++)" title="Direct link to CMake (C++)" translate=no></a></h3> |
| <p>Add to <code>CMakeLists.txt</code>:</p> |
| <div class="language-cmake codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cmake codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">find_program(FORY_COMPILER foryc)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">add_custom_command(</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> OUTPUT ${CMAKE_CURRENT_SOURCE_DIR}/generated/example.h</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> COMMAND ${FORY_COMPILER}</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> ${CMAKE_CURRENT_SOURCE_DIR}/schema.fdl</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> --cpp_out ${CMAKE_CURRENT_SOURCE_DIR}/generated</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/schema.fdl</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> COMMENT "Generating Fory IDL types"</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">add_custom_target(generate_fory_idl DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/generated/example.h)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">add_library(mylib ...)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">add_dependencies(mylib generate_fory_idl)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">target_include_directories(mylib PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/generated)</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=bazel>Bazel<a href=#bazel class=hash-link aria-label="Direct link to Bazel" title="Direct link to Bazel" translate=no></a></h3> |
| <p>Create a rule in <code>BUILD</code>:</p> |
| <div class="language-python codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-python codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">genrule</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> name </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"generate_fdl"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> srcs </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>[</span><span class="token string" style=color:#e3116c>"schema.fdl"</span><span class="token punctuation" style=color:#393A34>]</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> outs </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>[</span><span class="token string" style=color:#e3116c>"generated/example.h"</span><span class="token punctuation" style=color:#393A34>]</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> cmd </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"$(location //:fory_compiler) $(SRCS) --cpp_out $(RULEDIR)/generated"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> tools </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>[</span><span class="token string" style=color:#e3116c>"//:fory_compiler"</span><span class="token punctuation" style=color:#393A34>]</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">cc_library</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> name </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"models"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> hdrs </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>[</span><span class="token string" style=color:#e3116c>":generate_fdl"</span><span class="token punctuation" style=color:#393A34>]</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic># ...</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>)</span><br/></div></code></pre></div></div> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=error-handling>Error Handling<a href=#error-handling class=hash-link aria-label="Direct link to Error Handling" title="Direct link to Error Handling" translate=no></a></h2> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=syntax-errors>Syntax Errors<a href=#syntax-errors class=hash-link aria-label="Direct link to Syntax Errors" title="Direct link to Syntax Errors" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">Error: Line 5, Column 12: Expected ';' after field declaration</span><br/></div></code></pre></div></div> |
| <p>Fix: Check the indicated line for missing semicolons or syntax issues.</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=duplicate-type-names>Duplicate Type Names<a href=#duplicate-type-names class=hash-link aria-label="Direct link to Duplicate Type Names" title="Direct link to Duplicate Type Names" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">Error: Duplicate type name: User</span><br/></div></code></pre></div></div> |
| <p>Fix: Ensure each enum and message has a unique name within the file.</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=duplicate-type-ids>Duplicate Type IDs<a href=#duplicate-type-ids class=hash-link aria-label="Direct link to Duplicate Type IDs" title="Direct link to Duplicate Type IDs" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">Error: Duplicate type ID 100: User and Order</span><br/></div></code></pre></div></div> |
| <p>Fix: Assign unique type IDs to each type.</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=unknown-type-references>Unknown Type References<a href=#unknown-type-references class=hash-link aria-label="Direct link to Unknown Type References" title="Direct link to Unknown Type References" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">Error: Unknown type 'Address' in Customer.address</span><br/></div></code></pre></div></div> |
| <p>Fix: Define the referenced type before using it, or check for typos.</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=duplicate-field-numbers>Duplicate Field Numbers<a href=#duplicate-field-numbers class=hash-link aria-label="Direct link to Duplicate Field Numbers" title="Direct link to Duplicate Field Numbers" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">Error: Duplicate field number 1 in User: name and id</span><br/></div></code></pre></div></div> |
| <p>Fix: Assign unique field numbers within each message.</p> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=best-practices>Best Practices<a href=#best-practices class=hash-link aria-label="Direct link to Best Practices" title="Direct link to Best Practices" translate=no></a></h2> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=project-structure>Project Structure<a href=#project-structure class=hash-link aria-label="Direct link to Project Structure" title="Direct link to Project Structure" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">project/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">├── fdl/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">│ ├── common.fdl # Shared types</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">│ ├── user.fdl # User domain</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">│ └── order.fdl # Order domain</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">├── src/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">│ └── generated/ # Generated code (git-ignored)</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">└── build.gradle</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=version-control>Version Control<a href=#version-control class=hash-link aria-label="Direct link to Version Control" title="Direct link to Version Control" translate=no></a></h3> |
| <ul> |
| <li class=""><strong>Track</strong>: Fory IDL schema files</li> |
| <li class=""><strong>Ignore</strong>: Generated code (can be regenerated)</li> |
| </ul> |
| <p>Add to <code>.gitignore</code>:</p> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain"># Generated Fory IDL code</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">src/generated/</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">generated/</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=cicd-integration>CI/CD Integration<a href=#cicd-integration class=hash-link aria-label="Direct link to CI/CD Integration" title="Direct link to CI/CD Integration" translate=no></a></h3> |
| <p>Always regenerate during builds:</p> |
| <div class="language-yaml codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-yaml codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic># GitHub Actions example</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token key atrule" style=color:#00a4db>steps</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>-</span><span class="token plain"> </span><span class="token key atrule" style=color:#00a4db>name</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> Install Fory IDL Compiler</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token key atrule" style=color:#00a4db>run</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> pip install ./compiler</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>-</span><span class="token plain"> </span><span class="token key atrule" style=color:#00a4db>name</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> Generate Types</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token key atrule" style=color:#00a4db>run</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> foryc fdl/</span><span class="token important">*.fdl</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>-</span><span class="token punctuation" style=color:#393A34>-</span><span class="token plain">output src/generated</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>-</span><span class="token plain"> </span><span class="token key atrule" style=color:#00a4db>name</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> Build</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token key atrule" style=color:#00a4db>run</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> ./gradlew build</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=schema-evolution>Schema Evolution<a href=#schema-evolution class=hash-link aria-label="Direct link to Schema Evolution" title="Direct link to Schema Evolution" translate=no></a></h3> |
| <p>When modifying schemas:</p> |
| <ol> |
| <li class=""><strong>Never reuse field numbers</strong> - Mark as reserved instead</li> |
| <li class=""><strong>Never change type IDs</strong> - They're part of the binary format</li> |
| <li class=""><strong>Add new fields</strong> - Use new field numbers</li> |
| <li class=""><strong>Use <code>optional</code></strong> - For backward compatibility</li> |
| </ol> |
| <div class="language-protobuf codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-protobuf codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>message</span><span class="token plain"> User </span><span class="token punctuation" style=color:#393A34>[</span><span class="token annotation">id</span><span class="token operator" style=color:#393A34>=</span><span class="token number" style=color:#36acaa>100</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token builtin">string</span><span class="token plain"> id </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>1</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token builtin">string</span><span class="token plain"> name </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>2</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Field 3 was removed, don't reuse</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>optional</span><span class="token plain"> </span><span class="token builtin">string</span><span class="token plain"> email </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>4</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// New field</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=troubleshooting>Troubleshooting<a href=#troubleshooting class=hash-link aria-label="Direct link to Troubleshooting" title="Direct link to Troubleshooting" translate=no></a></h2> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=command-not-found>Command Not Found<a href=#command-not-found class=hash-link aria-label="Direct link to Command Not Found" title="Direct link to Command Not Found" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">foryc: command not found</span><br/></div></code></pre></div></div> |
| <p><strong>Solution:</strong> Ensure the compiler is installed and in your PATH:</p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">pip </span><span class="token function" style=color:#d73a49>install</span><span class="token plain"> </span><span class="token parameter variable" style=color:#36acaa>-e</span><span class="token plain"> ./compiler</span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic># Or add to PATH</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token builtin class-name">export</span><span class="token plain"> </span><span class="token assign-left variable environment constant" style=color:#36acaa>PATH</span><span class="token operator" style=color:#393A34>=</span><span class="token environment constant" style=color:#36acaa>$PATH</span><span class="token plain">:~/.local/bin</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=permission-denied>Permission Denied<a href=#permission-denied class=hash-link aria-label="Direct link to Permission Denied" title="Direct link to Permission Denied" translate=no></a></h3> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">Permission denied: ./generated</span><br/></div></code></pre></div></div> |
| <p><strong>Solution:</strong> Ensure write permissions on the output directory:</p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token function" style=color:#d73a49>chmod</span><span class="token plain"> </span><span class="token parameter variable" style=color:#36acaa>-R</span><span class="token plain"> u+w ./generated</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=import-errors-in-generated-code>Import Errors in Generated Code<a href=#import-errors-in-generated-code class=hash-link aria-label="Direct link to Import Errors in Generated Code" title="Direct link to Import Errors in Generated Code" translate=no></a></h3> |
| <p><strong>Java:</strong> Ensure Fory dependency is in your project:</p> |
| <div class="language-xml codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-xml codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>dependency</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>groupId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">org.apache.fory</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>groupId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>artifactId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">fory-core</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>artifactId</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token tag punctuation" style=color:#393A34><</span><span class="token tag" style=color:#00009f>version</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain">${fory.version}</span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>version</span><span class="token tag punctuation" style=color:#393A34>></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token tag punctuation" style=color:#393A34></</span><span class="token tag" style=color:#00009f>dependency</span><span class="token tag punctuation" style=color:#393A34>></span><br/></div></code></pre></div></div> |
| <p><strong>Python:</strong> Ensure pyfory is installed:</p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">pip </span><span class="token function" style=color:#d73a49>install</span><span class="token plain"> pyfory</span><br/></div></code></pre></div></div> |
| <p><strong>Go:</strong> Ensure fory module is available:</p> |
| <div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-bash codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">go get github.com/apache/fory/go/fory</span><br/></div></code></pre></div></div> |
| <p><strong>Rust:</strong> Ensure fory crate is in <code>Cargo.toml</code>:</p> |
| <div class="language-toml codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-toml codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">[dependencies]</span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory = "x.y.z"</span><br/></div></code></pre></div></div> |
| <p><strong>C++:</strong> Ensure Fory headers are in include path.</div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="row margin-top--sm theme-doc-footer-edit-meta-row"><div class="col noPrint_WFHX"><a href=https://github.com/apache/fory-site/tree/main/docs/compiler/compiler-guide.md target=_blank rel="noopener noreferrer" class=theme-edit-this-page><svg fill=currentColor height=20 width=20 viewBox="0 0 40 40" class=iconEdit_Z9Sw aria-hidden=true><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"/></g></svg>Edit this page</a></div><div class="col lastUpdated_JAkA"></div></div></footer></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href=/docs/0.15/compiler/syntax><div class=pagination-nav__sublabel>Previous</div><div class=pagination-nav__label>Schema IDL</div></a><a 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