#!/bin/bash
#
# Compiles code with DDC and runs the resulting code in node.js.
#
# The first script supplied should be the one with `main()`.
#
# Saves the output in the same directory as the sources for convenient
# inspection, modification or rerunning the code.
set -e

DDC_PATH=$( cd $( dirname "${BASH_SOURCE[0]}" )/.. && pwd )

KERNEL=false
if [ "$1" = "-k" ]; then
  KERNEL=true
  shift
fi

BASENAME=$( basename "${1%.*}")
LIBROOT=$(cd $( dirname "${1%.*}") && pwd)

# TODO(vsm): Change this to use the regular built version of the summaries
# and the SDK.
export NODE_PATH=$DDC_PATH/gen/sdk/common:$LIBROOT:$NODE_PATH

# Build the SDK in a place where we can find it if it's not already there.
if [ ! -e $DDC_PATH/gen/sdk/ddc_sdk.sum ]; then
  $DDC_PATH/tool/build_sdk.sh
fi

if [ "$KERNEL" = true ]; then
  dart -c $DDC_PATH/bin/dartdevk.dart --modules=node \
      -o $BASENAME.js $*
else
  dart -c $DDC_PATH/bin/dartdevc.dart --modules=node --library-root=$LIBROOT \
      --dart-sdk-summary=$DDC_PATH/gen/sdk/ddc_sdk.sum \
      -o $LIBROOT/$BASENAME.js $*
fi

pushd $LIBROOT > /dev/null
# TODO(jmesserly): we could have this output the same content as the devtool
# script, so you could debug the output without recompiling?
echo "
    let source_maps;
    try {
      source_maps = require('source-map-support');
      source_maps.install();
    } catch(e) {
    }
    let sdk = require(\"dart_sdk\");
    let main = require(\"./$BASENAME\").$BASENAME.main;
    sdk.dart.ignoreWhitelistedErrors(false);
    try {
      sdk._isolate_helper.startRootIsolate(main, []);
    } catch(e) {
      if (!source_maps) {
        console.log('For Dart source maps: npm install source-map-support');
      }
      console.error(e.toString(), sdk.dart.stackTrace(e).toString());
      process.exit(1);
    }" \
    > $LIBROOT/$BASENAME.run.js
node $BASENAME.run.js || exit 1
popd > /dev/null