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| Content Provider | ACM Digital Library |
|---|---|
| Author | Song, Chunyan Reppy, John |
| Abstract | A foreign interface (FI) mechanism to support interoperability with libraries written in other languages (especially C) is an important feature in most high-level language implementations. Such FI mechanisms provide a Foreign Function Interface (FFI) for the high-level language to call C functions and marshaling and unmarshaling mechanisms to support conversion between the high-level and C data representations. Often, systems provide tools to automate the generation of FIs, but these tools typically lock the user into a specific model of interoperability. It is our belief that the policy used to craft the mapping between the high-level language and C should be distinct from the underlying mechanism used to implement the mapping.In this paper, we describe a FI generation tool, called FIG (for Foreign Interface Generator) that embodies a new approach to the problem of generating foreign interfaces for high-level languages. FIG takes as input raw C header files plus a declarative script that specifies the generation of the foreign interface from the header file. The script sets the policy for the translation, which allows the user to tailor the resulting FI to his or her application. We call this approach application-specific foreign-interface generation. The scripting language uses rewriting strategies as its execution model. The other major feature of the scripting language is a novel notion of composable typemaps that describe the mapping between high-level and low-level types. |
| Starting Page | 49 |
| Ending Page | 58 |
| Page Count | 10 |
| File Format | |
| ISBN | 1595932372 |
| DOI | 10.1145/1173706.1173714 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2006-10-22 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Term rewriting Foreign-interface generation |
| Content Type | Text |
| Resource Type | Article |
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