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24 lines
1.1 KiB
Markdown
24 lines
1.1 KiB
Markdown
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# Enso Compiler IR
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Enso IR, currently implemented in Scala, with base class
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`org.enso.compiler.core.IR`, is created from the output of the native
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[parser](../parser/README.md). The IR is an immutable annotated AST subjected to
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multiple passes. Every pass is a class implementing the
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`org.enso.compiler.pass.IRPass` interface.
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See [Runtime roadmap - static analysis](../runtime-roadmap.md#static-analysis)
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for future goals.
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## Visualization
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The IR can be visualized using `-Denso.compiler.dumpIr` system property. This
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will output a `.dot` file in [GraphViz](www.graphviz.org) format in the
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`ir-dumps` directory for each IR in the program. The _dot_ file format is a
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minimal textual format, that can be converted to a graphical representation
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using the `dot` command from the GraphViz package. For example, on Ubuntu,
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install `dot` with `sudo apt install graphviz`. Then, convert the `.dot` file to
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a `.svg` image with `dot -Tsvg -o <output>.svg <input>.dot`. An example is:
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See `org.enso.compiler.dump.IRDumper`.
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