Commit 0caa38cb authored by René Schöne's avatar René Schöne
Browse files

Updated README.

parent 2d2f7761
# RelAST Preprocessor
Run preprocessor on train benchmark (output written to standard output):
![RelAST process](relast-process.png)
$ ./gradlew jar
$ cat examples/TrainBenchmark.relast
$ java -jar relast-compiler.jar examples/TrainBenchmark.relast
$ java -jar build/libs/relast.jar examples/TrainBenchmark.relast
The RelAST preprocessor takes a `.relast` file as input comprising AST rules and relations. It produces files that afterwards are processed by JastAdd to generated Java code.
To use it in your project, build the JAR file running
Run preprocessor and write output to files:
$ java -jar build/libs/relast.jar examples/TrainBenchmark.relast --file
$ cat examples/TrainBenchmarkGen.ast
$ cat examples/TrainBenchmarkGen.jadd
./gradlew jar
Run test cases:
This will produce `build/libs/relast.jar`. Copy it to your project and extend your build config (preferably Gradle) with the following:
$ cd test
$ make
task preprocess(type: JavaExec) {
group = 'Build'
main = "-jar"
args = [
Supported relations:
inputs.files file("./src/main/jastadd/main.relast")
outputs.files file("./src/main/jastadd/mainGen.ast"), file("./src/main/jastadd/mainGen.jadd")
Note that you may have to change
- the directory of `relast.jar`
- the `.relast` file(s) both as argument(s) and input file(s)
- the output files
- parameters of RelAST (in this case, the list classes were renamed)
## Supported relations
// Directed relations
A.b -> B;
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