Santiago Medina created THRIFT-6059:
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Summary: Rust codegen: add crate_prefix option for cross-file
import path
Key: THRIFT-6059
URL: https://issues.apache.org/jira/browse/THRIFT-6059
Project: Thrift
Issue Type: Bug
Reporter: Santiago Medina
The Rust code generator hardcodes use crate:: when one .thrift file includes
another (e.g., event.thrift includes trees.thrift → generates use
crate::trees;). This assumes the generated files are placed directly under the
crate root (src/). When generated files are placed in a submodule (e.g.,
src/thrift/), the correct import is use super::trees;, and users must manually
post-process the generated files with sed to fix the paths.
This patch adds a crate_prefix generator option that controls the path prefix.
The default remains crate for backward compatibility. Users generating into a
submodule can pass --gen rs:crate_prefix=super to produce correct imports
without post-processing.
Usage:
# Files at crate root (src/) — existing behavior, unchanged
thrift --gen rs -out src/ schema.thrift
# Files in a submodule (src/thrift/) — new option
thrift --gen rs:crate_prefix=super -out src/thrift/ schema.thrift
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