1 files changed, 38 insertions, 0 deletions
diff --git a/custom_mutators/gramatron/preprocess/prep_automaton.sh b/custom_mutators/gramatron/preprocess/prep_automaton.sh
new file mode 100755
index 00000000..28d99fb0
--- /dev/null
+++ b/custom_mutators/gramatron/preprocess/prep_automaton.sh
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# This script creates a FSA describing the input grammar *.g4
+
+if [ ! "$#" -lt 4 ]; then
+  echo "Usage: ./prep_pda.sh <grammar_file> <start> [stack_limit]"         
+  exit 1
+fi
+
+GRAMMAR_FILE=$1
+GRAMMAR_DIR="$(dirname $GRAMMAR_FILE)"
+START="$2"
+STACK_LIMIT="$3"
+
+# Get filename
+FILE=$(basename -- "$GRAMMAR_FILE")
+echo "File:$FILE"
+FILENAME="${FILE%.*}"
+echo "Name:$FILENAME"
+
+
+# Create the GNF form of the grammar
+CMD="python gnf_converter.py --gf $GRAMMAR_FILE --out ${FILENAME}.json --start $START"
+$CMD
+
+# Generate grammar automaton 
+# Check if user provided a stack limit
+if [ -z "${STACK_LIMIT}" ]; then
+CMD="python3 construct_automata.py --gf ${FILENAME}.json" 
+else
+CMD="python construct_automata.py --gf ${FILENAME}.json --limit ${STACK_LIMIT}" 
+fi
+echo $CMD
+$CMD
+
+# Move PDA to the source dir of the grammar
+echo "Copying ${FILENAME}_automata.json to $GRAMMAR_DIR"
+mv "${FILENAME}_automata.json" $GRAMMAR_DIR/