#!/bin/sh
# Build and test all included SubX programs on non-Linux platforms:
#   translate them into ELF binaries
#   compare the generated binaries with what's already in git
#   run/test the ELF binaries in emulated mode
#
# Example usage:
#   test_apps_emulated
#   test_apps_emulated record  # don't compare with what's in git
#
# This script is slow. 20+ times slower than running natively on Linux.

set -e
cd `dirname $0`

./build

echo "== translating using the bootstrap C++ translator"

# example programs

echo ex1
./bootstrap_bin translate init.linux apps/ex1.subx  -o apps/ex1
test "$1" = 'record'  ||  git diff --exit-code apps/ex1
{
  ./bootstrap_bin run apps/ex1  ||  ret=$?
  test $ret -eq 42  # life, the universe and everything
}

echo ex2
./bootstrap_bin translate init.linux apps/ex2.subx  -o apps/ex2
test "$1" = 'record'  ||  git diff --exit-code apps/ex2
{
  ./bootstrap_bin run apps/ex2  ||  ret=$?
  test $ret -eq 7  # 3 + 4
}

echo ex3
./bootstrap_bin translate init.linux apps/ex3.subx  -o apps/ex3
test "$1" = 'record'  ||  git diff --exit-code apps/ex3
{
  ./bootstrap_bin run apps/ex3  ||  ret=$?
  test $ret -eq 55  # 1 + 2 + ... + 10
}

echo ex4
./bootstrap_bin translate init.linux apps/ex4.subx  -o apps/ex4
test "$1" = 'record'  ||  git diff --exit-code apps/ex4
{
  echo a | ./bootstrap_bin run apps/ex4 >ex4.out  ||  true
  test `cat ex4.out` = 'a'
}

echo ex5
./bootstrap_bin translate init.linux apps/ex5.subx  -o apps/ex5
test "$1" = 'record'  ||  git diff --exit-code apps/ex5
{
  echo a | ./bootstrap_bin run apps/ex5 >ex5.out  ||  true
  test `cat ex5.out` = 'a'
}

echo ex6
./bootstrap_bin translate init.linux apps/ex6.subx  -o apps/ex6
test "$1" = 'record'  ||  git diff --exit-code apps/ex6
{
  ./bootstrap_bin run apps/ex6 >ex6.out  ||  true
  test "`cat ex6.out`" = 'Hello, world!'
}

echo ex7
./bootstrap_bin translate init.linux apps/ex7.subx  -o apps/ex7
test "$1" = 'record'  ||  git diff --exit-code apps/ex7
{
  ./bootstrap_bin run apps/ex7  ||  ret=$?
  test $ret -eq 97  # 'a'
}

echo ex8
./bootstrap_bin translate init.linux apps/ex8.subx  -o apps/ex8
test "$1" = 'record'  || git diff --exit-code apps/ex8
{
  ./bootstrap_bin run apps/ex8 abcd  ||  ret=$?
  test $ret -eq 4  # length('abcd')
}

echo ex9
./bootstrap_bin translate init.linux apps/ex9.subx  -o apps/ex9
test "$1" = 'record'  || git diff --exit-code apps/ex9
{
  ./bootstrap_bin run apps/ex9 z x  ||  ret=$?
  test $ret -eq 2  # 'z' - 'x'
}

echo ex10
./bootstrap_bin translate init.linux apps/ex10.subx  -o apps/ex10
test "$1" = 'record'  || git diff --exit-code apps/ex10
{
  ./bootstrap_bin run apps/ex10 abc abc  ||  ret=$?
  test $ret -eq 1  # equal
  ./bootstrap_bin run apps/ex10 abc abcd  # 0; not equal
}

echo ex11
./bootstrap_bin translate init.linux apps/ex11.subx  -o apps/ex11
test "$1" = 'record'  || git diff --exit-code apps/ex11
{
  ./bootstrap_bin run apps/ex11
  echo
}

echo ex12
./bootstrap_bin translate init.linux apps/ex12.subx  -o apps/ex12
test "$1" = 'record'  || git diff --exit-code apps/ex12
test $EMULATED  &&  ./bootstrap_bin run apps/ex12  # final byte of mmap'd address is well-nigh guaranteed to be 0
test $NATIVE  &&  apps/ex12

echo ex13
./bootstrap_bin translate init.linux apps/ex13.subx  -o apps/ex13
test "$1" = 'record'  ||  git diff --exit-code apps/ex13
{
  ./bootstrap_bin run apps/ex13  ||  ret=$?
  test $ret -eq 1  # 3 == 3
}

# Larger apps that use the standard library.

echo factorial
./bootstrap_bin translate init.linux [01]*.subx apps/factorial.subx  -o apps/factorial
test "$1" = 'record'  ||  git diff --exit-code apps/factorial
{
  ./bootstrap_bin run apps/factorial  ||  ret=$?
  test $ret -eq 120  # factorial(5)
  ./bootstrap_bin run apps/factorial test
  echo
}

echo crenshaw2-1
./bootstrap_bin translate init.linux [01]*.subx apps/crenshaw2-1.subx  -o apps/crenshaw2-1
test "$1" = 'record'  ||  git diff --exit-code apps/crenshaw2-1
{
  ./bootstrap_bin run apps/crenshaw2-1 test
  echo
}

echo crenshaw2-1b
./bootstrap_bin translate init.linux [01]*.subx apps/crenshaw2-1b.subx  -o apps/crenshaw2-1b
test "$1" = 'record'  ||  git diff --exit-code apps/crenshaw2-1b
{
  ./bootstrap_bin run apps/crenshaw2-1b test
  echo
}

echo random
./bootstrap_bin translate init.linux [01]*.subx apps/random.subx  -o apps/random
test "$1" = 'record'  ||  git diff --exit-code apps/random
# don't run

# Phases of the self-hosted SubX translator.

for phase in hex survey_elf pack assort dquotes tests
do
  echo $phase
  ./bootstrap_bin translate init.linux [01]*.subx apps/subx-params.subx apps/$phase.subx -o apps/$phase
  test "$1" = 'record'  ||  git diff --exit-code apps/$phase
  {
    ./bootstrap_bin run apps/$phase test
    echo
  }
done

# One phase variant for translating SubX to baremetal. (Other phases are reused.)

for phase in survey_baremetal
do
  echo $phase
  ./bootstrap_bin translate init.linux [01]*.subx apps/subx-params.subx apps/$phase.subx -o apps/$phase
  test "$1" = 'record'  ||  git diff --exit-code apps/$phase
  {
    ./bootstrap_bin run apps/$phase test
    echo
  }
done

# Higher-level syntax.

# Certain phases of translation run native beyond this point. We're starting
# to go beyond functionality of the C++ bootstrap_bin.

echo sigils
./bootstrap_bin translate init.linux [012]*.subx apps/subx-params.subx apps/sigils.subx  -o apps/sigils
test "$1" = 'record'  ||  git diff --exit-code apps/sigils
{
  ./bootstrap_bin run apps/sigils test
  echo
}

echo calls
cat init.linux [012]*.subx apps/subx-params.subx apps/calls.subx  |  ./bootstrap_bin run apps/sigils  > a.sigils
./bootstrap_bin translate a.sigils -o apps/calls
test "$1" = 'record'  ||  git diff --exit-code apps/calls
{
  ./bootstrap_bin run apps/calls test
  echo
}

echo braces
cat init.linux [012]*.subx apps/subx-params.subx apps/braces.subx  |  ./bootstrap_bin run apps/calls  |  ./bootstrap_bin run apps/sigils  > a.sigils
./bootstrap_bin translate a.sigils -o apps/braces
test "$1" = 'record'  ||  git diff --exit-code apps/braces
{
  ./bootstrap_bin run apps/braces test
  echo
}

echo mu
cat init.linux [0-2]*.subx apps/mu.subx  |  ./bootstrap_bin run apps/braces  |  ./bootstrap_bin run apps/calls  |  ./bootstrap_bin run apps/sigils  > a.sigils
./bootstrap_bin translate a.sigils -o apps/mu
test "$1" = 'record'  ||  git diff --exit-code apps/mu
{
  ./bootstrap_bin run apps/mu test
  echo
}

echo "== translating using the self-hosted translator"

# example programs

for n in `seq 1 12`
do
  echo ex$n
  ./translate_subx_emulated init.linux apps/ex$n.subx
  diff apps/ex$n a.elf
done

# Larger apps that use the standard library.

for app in factorial crenshaw2-1 crenshaw2-1b
do
  echo $app
  ./translate_subx_emulated init.linux [01]*.subx apps/$app.subx
  diff apps/$app a.elf
done

# Phases of the self-hosted SubX translator.

for app in hex survey_elf pack assort dquotes tests
do
  echo $app
  ./translate_subx_emulated init.linux [01]*.subx apps/subx-params.subx apps/$app.subx
  diff apps/$app a.elf
done

# One phase variant for translating SubX to baremetal. (Other phases are reused.)

for app in survey_baremetal
do
  echo $app
  ./translate_subx_emulated init.linux [01]*.subx apps/subx-params.subx apps/$app.subx
  diff apps/$app a.elf
done

for app in sigils calls braces
do
  echo $app
  ./translate_subx_emulated init.linux [012]*.subx apps/subx-params.subx apps/$app.subx
  diff apps/$app a.elf
done

# Mu translator
echo mu
./translate_subx_emulated init.linux [0-2]*.subx apps/mu.subx
diff apps/mu a.elf

# Mu programs

echo ex1.mu
./translate_mu_emulated apps/ex1.mu
{
  ./bootstrap_bin run a.elf  ||  ret=$?
  test $ret -eq 42  # life, the universe and everything
}

echo ex2.mu
./translate_mu_emulated apps/ex2.mu
{
  ./bootstrap_bin run a.elf  ||  ret=$?
  test $ret -eq 7
}

echo ex3.mu
./translate_mu_emulated apps/ex3.mu
{
  ./bootstrap_bin run a.elf  ||  ret=$?
  test $ret -eq 55
}

echo ex3.2.mu
./translate_mu_emulated apps/ex3.2.mu
{
  ./bootstrap_bin run a.elf  ||  ret=$?
  test $ret -eq 55
}

echo factorial.mu
./translate_mu_emulated apps/factorial.mu
{
  ./bootstrap_bin run a.elf  ||  ret=$?
  test $ret -eq 120
  ./bootstrap_bin run a.elf test
  echo
}

exit 0