| <html devsite> |
| <head> |
| <meta name="project_path" value="/_project.yaml"> |
| <meta name="book_path" value="/versions/8.1.0/_book.yaml"> |
| </head> |
| <body> |
| |
| <h1 class="page-title" id="modules.ToolchainContext">ToolchainContext</h1> |
| |
| {% dynamic setvar source_file "src/main/java/com/google/devtools/build/lib/starlarkbuildapi/platform/ToolchainContextApi.java" %} |
| {% dynamic setvar version "8.1.0" %} |
| {% dynamic setvar original_path "/rules/lib/builtins/ToolchainContext" %} |
| {% include "_buttons.html" %} |
| <!-- {% raw %} --> |
| |
| Holds toolchains available for a particular exec group. Toolchain targets are accessed by indexing with the toolchain type, as in <code>ctx.toolchains["//pkg:my_toolchain_type"]</code>. If the toolchain was optional and no toolchain was resolved, this will return <code>None</code>. Accessing toolchains of an aspect or rule via <code>ctx.toolchains</code> returns the indexed toolchain as a <code>ToolchainInfo</code> provider. While when using aspects, <code>ToolchainContext</code> is also used to hold the toolchains of the base target. It can be accessed by <code>ctx.rule.toolchains["//pkg:my_toolchain_type"]</code> and it returns the list of providers resulted from applying the aspects on these toolchain targets. |
| |
| |
| |
| </body> |
| </html> |
| |
| <!-- {% endraw %} --> |
