{"id":252830,"date":"2000-01-01T03:25:28","date_gmt":"2000-01-01T11:25:28","guid":{"rendered":"https:\/\/new-cm-edgedigital.pages.dev\/en-us\/research\/?post_type=msr-research-item&p=252830"},"modified":"2018-10-16T20:19:04","modified_gmt":"2018-10-17T03:19:04","slug":"single-intermediate-language-supports-multiple-implementations-exceptions","status":"publish","type":"msr-research-item","link":"https:\/\/new-cm-edgedigital.pages.dev\/en-us\/research\/publication\/single-intermediate-language-supports-multiple-implementations-exceptions\/","title":{"rendered":"A Single Intermediate Language That Supports Multiple Implementations of Exceptions"},"content":{"rendered":"

We present mechanisms that enable our compiler-target language, C--<\/tt>, to express four of the best known techniques for implementing exceptions, all within a single, uniform framework. We define the mechanisms precisely, using a formal operational semantics. We also show that exceptions need not require special treatment in the optimizer; by introducing extra dataflow edges, we make standard optimization techniques work even on programs that use exceptions. Our approach clarifies the design space of exception-handling techniques, and it allows a single optimizer to handle a variety of implementation techniques, uniformly. Our ultimate goal is to allow a source-language compiler the freedom to choose its exception-handling policy, while encapsulating the (architecture-dependent) mechanisms and their optimization in an implementation of C--<\/tt> that can be used by compilers for many source languages.<\/p>\n

Related work is on the C– page (opens in new tab)<\/span><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

We present mechanisms that enable our compiler-target language, C–, to express four of the best known techniques for implementing exceptions, all within a single, uniform framework. We define the mechanisms precisely, using a formal operational semantics. We also show that exceptions need not require special treatment in the optimizer; by introducing extra dataflow edges, we […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":[{"type":"user_nicename","value":"simonpj"}],"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"ACM SIGPLAN '00 Conference on Programming Language Design and Implementation (PLDI)","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"285-298","msr_page_range_start":"285","msr_page_range_end":"298","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"ACM SIGPLAN '00 Conference on Programming Language Design and Implementation 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