Update CHooks build script

.gitignore

@@ -114,3 +114,5 @@ pkg_out
 pkg
 CMakeUserPresets.json
 bld.rippled/
+
+generated

src/test/app/build_test_hooks.sh

@@ -1,4 +1,35 @@
-#!/bin/bash
+#!/bin/bash -u
+
+# Generate the SetHook_wasm.h file from the SetHook_test.cpp file.
+# 
+# Prerequisites:
+# - wasmcc:
+#   https://github.com/wasienv/wasienv
+#
+# - hook-cleaner:
+#   https://github.com/RichardAH/hook-cleaner-c
+#
+# - wat2wasm
+#   https://github.com/WebAssembly/wabt
+#
+# - clang-format:
+#   Ubuntu: $sudo apt-get install clang-format
+#   macOS: $brew install clang-format
+#
+# - (macOS Only) GNU sed, grep:
+#   $brew install gnu-sed grep
+#   add path: PATH="/opt/homebrew/opt/gnu-sed/libexec/gnubin:$PATH"
+
+set -e
+# Get the script directory (retrieving the correct path regardless of where it's executed from)
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "${SCRIPT_DIR}"
+# Set the project root directory
+WASM_DIR="generated/hook/c"
+INPUT_FILE="SetHook_test.cpp"
+OUTPUT_FILE="SetHook_wasm.h"
+
+mkdir -p $WASM_DIR
 echo '
 //This file is generated by build_test_hooks.h
 #ifndef SETHOOK_WASM_INCLUDED
@@ -9,54 +40,55 @@ echo '
 #include <vector>
 namespace ripple {
 namespace test {
-std::map<std::string, std::vector<uint8_t>> wasm = {' > SetHook_wasm.h
+std::map<std::string, std::vector<uint8_t>> wasm = {' > $OUTPUT_FILE
 COUNTER="0"
-cat SetHook_test.cpp | tr '\n' '\f' | 
+cat $INPUT_FILE | tr '\n' '\f' | 
         grep -Po 'R"\[test\.hook\](.*?)\[test\.hook\]"' | 
         sed -E 's/R"\[test\.hook\]\(//g' | 
         sed -E 's/\)\[test\.hook\]"[\f \t]*/\/*end*\//g' | 
         while read -r line
         do
-            echo "/* ==== WASM: $COUNTER ==== */" >> SetHook_wasm.h
-            echo -n '{ R"[test.hook](' >> SetHook_wasm.h
-            cat <<< $line | sed -E 's/.{7}$//g' | tr -d '\n' | tr '\f' '\n' >> SetHook_wasm.h
-            echo ')[test.hook]",' >> SetHook_wasm.h
-            echo "{" >> SetHook_wasm.h
+            echo "/* ==== WASM: $COUNTER ==== */" >> $OUTPUT_FILE
+            echo -n '{ R"[test.hook](' >> $OUTPUT_FILE
+            cat <<< "$line" | sed -E 's/.{7}$//g' | tr -d '\n' | tr '\f' '\n' >> $OUTPUT_FILE
+            echo ')[test.hook]",' >> $OUTPUT_FILE
+            echo "{" >> >> $OUTPUT_FILE
             WAT=`grep -Eo '\(module' <<< $line | wc -l`
             if [ "$WAT" -eq "0" ]
             then
-                echo '#include "api.h"' > /root/xrpld-hooks/hook/tests/hookapi/wasm/test-$COUNTER-gen.c
-                tr '\f' '\n' <<< $line >> /root/xrpld-hooks/hook/tests/hookapi/wasm/test-$COUNTER-gen.c
+                echo '#include "api.h"' > "$WASM_DIR/test-$COUNTER-gen.c"
+                tr '\f' '\n' <<< $line >> "$WASM_DIR/test-$COUNTER-gen.c"
                 DECLARED="`tr '\f' '\n' <<< $line | grep  -E '(extern|define) ' | grep -Eo '[a-z\-\_]+ *\(' | grep -v 'sizeof' | sed -E 's/[^a-z\-\_]//g' | sort | uniq`"
                 USED="`tr '\f' '\n' <<< $line | grep -vE '(extern|define) ' | grep -Eo '[a-z\-\_]+\(' | grep -v 'sizeof' | sed -E 's/[^a-z\-\_]//g' | grep -vE '^(hook|cbak)' | sort | uniq`"
                 ONCE="`echo $DECLARED $USED | tr ' ' '\n' | sort | uniq -c | grep '1 ' | sed -E 's/^ *1 //g'`"
-                FILTER="`echo $DECLARED | tr ' ' '|' | sed -E 's/|$//g'`"
-                UNDECL=`echo "$ONCE" | grep -v -E "$FILTER"`
+                FILTER="`echo $DECLARED | tr ' ' '|' | sed -E 's/\|$//g'`"
+                UNDECL="`echo $ONCE | grep -v -E $FILTER 2>/dev/null || echo ''`"
                 if [ ! -z "$UNDECL" ]
                 then
                     echo "Undeclared in $COUNTER: $UNDECL"
                     echo "$line"
                     exit 1
                 fi
-                wasmcc -x c /dev/stdin -o /dev/stdout -O2 -Wl,--allow-undefined <<< `tr '\f' '\n' <<< $line` |
+                wasmcc -x c /dev/stdin -o /dev/stdout -O2 -Wl,--allow-undefined <<< "`tr '\f' '\n' <<< $line`" |
                     hook-cleaner - - 2>/dev/null |
-                    xxd -p -u -c 19 | 
-                    sed -E 's/../0x\0U,/g' | sed -E 's/^/    /g' >> SetHook_wasm.h
+                    xxd -p -u -c 10 | 
+                    sed -E 's/../0x&U,/g' | sed -E 's/^/    /g' >> $OUTPUT_FILE
             else
-                wat2wasm - -o /dev/stdout <<< `tr '\f' '\n' <<< $(sed -E 's/.{7}$//g' <<< $line)` |
-                    xxd -p -u -c 19 | 
-                    sed -E 's/../0x\0U,/g' | sed -E 's/^/    /g' >> SetHook_wasm.h
+                wat2wasm - -o /dev/stdout <<< "`tr '\f' '\n' <<< $(sed -E 's/.{7}$//g' <<< $line)`" |
+                    xxd -p -u -c 10 | 
+                    sed -E 's/../0x&U,/g' | sed -E 's/^/    /g' >> $OUTPUT_FILE
             fi
             if [ "$?" -gt "0" ]
             then
                 echo "Compilation error ^"
                 exit 1
             fi
-            echo '}},' >> SetHook_wasm.h
-            echo >> SetHook_wasm.h
+            echo '}},' >> $OUTPUT_FILE
+            echo >> $OUTPUT_FILE
             COUNTER=`echo $COUNTER + 1 | bc`
         done
 echo '};
 }
 }
-#endif' >> SetHook_wasm.h
+#endif' >> $OUTPUT_FILE
+clang-format -i $OUTPUT_FILE