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2017-07-11Initial work on handling resources in structs during cross-compilationTim Foley
- The basic idea is that during the "lowering" pass, some types (notably: aggregate types that contain resource variables) will get turned into "tuple" types, which are pseduo-types that aren't meant to survive lowering. - An attempt to declare a variable with a tuple type expands into a tuple of declarations - An attempt to reference such a tuple-ified variable leads to a tuple of expressions - An attempt to extract a member from such a tuple expression will pick the appropriate sub-element - Dereference a tuple by dereferencing the primary expression - Expand a tuple in the argument list to a call into N arguments (by recursively flattening the tuple) - Don't create tuple types when not generating GLSL - Make sure to preserve the specialized type of a call expression through lowering, since emission of unchecked calls relies on that info. - TODO: maybe the infix/prefix/postifx/select information should come in as a side-band? Should we have modifiers on expressions? - Make sure to offset the layout for a nested field based on teh base offset of its parent variable, when generating declarations for nested fields
2017-07-08Revise the (only) rewriter-error test caseTim Foley
This was testing that we let the downstream compiler report a parse error, but that is no longer a goal (because we need to rewrite function bodies to deal with type validation). I've switched it to a type error in the function body, and confirmed that we do let fxc report the problem.
2017-06-14AppVeyor: Run tests as part of AppVeyor buildsTim Foley
This includes a bunch of related changes: - `slang-test` - Add a notion of an "output mode" that specifies whether we output to console (the default), or invoke the apprpriate AppVeyor command to update test status - Add a notion of test categories, so that tests can be tagged with categories, and then we can invoke only those tets in a given category, or choose to *exclude* tests with specific categories - Allow the `OSProcessSpawner` to look up an executable by "path" (meaning a full path is expected) or by "name" (meaning it should be allowed to look in the current directory, `PATH` environment variable, etc.). This was important to make sure that I can run `appveyor` without having to know its absolute path. - AppVeyor configuration - Change badge to reflect new build account for organization (rather than a single-user account) - Remove attempt to set AppVeyor build version in a clever way, since it breaks links from GitHub to AppVeyor - Change order or configurations in the build matrix to front-load the Release build (which has the main tests) - Turn on `fast_finish` flag so we don't have to wait as long for failed builds - Turn on `parallel` builds - Set `verbosity: minimal` to avoid getting build spew about Xamarin stuff I'm not using - Add custom `test_script` to invoke `test.bat` - Sets the test category based on teh build configuration, so we don't run the full test suite on every input. - `test.bat` - Allow for `-platform` and `-configuration` arguments - Rewrute a platform of `Win32` over to `x86` to match how the output directories are named - Futz around with how the directories are being passed along to work around annoying `.bat` file quoting behavior (I still don't get how batch files work) - Tests - Mark a bunch of tests as `smoke` tests - Mark the relevant tests as `render` tests (these get filtered out for AppVeyor builds)
2017-06-09Initial import of code.Tim Foley