Improve run generators script

Signed-off-by: William Desportes <[email protected]>

Author: williamdes

CONTRIBUTING.md

@@ -48,7 +48,6 @@ regenerate some of these there are helper scripts in tools directory:
 # Remove file you want to regenerate
 rm tests/data/parser/parse.out
 
-# Run the generator in the tools directory
-cd tools
-./run_generators.sh
+# Run the generator located in the tools directory
+./tools/run_generators.sh
 ```

tools/run_generators.sh

@@ -6,5 +6,12 @@ export LC_ALL=C
 # Runs the test and context generators.
 #
 
+BASE="$(dirname $0)"
+
+echo "Using base dir: $BASE"
+cd $BASE
+
 php ContextGenerator.php contexts/ ../src/Contexts
 php TestGenerator.php ../tests/data ../tests/data
+
+echo "Done."