| 1 | #!/usr/bin/env bash
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| 2 | #
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| 3 | # Ninja rules for translating Python to C++.
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| 4 | #
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| 5 | # Usage:
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| 6 | # build/ninja-rules-py.sh <function name>
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| 7 | #
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| 8 | # Env variables:
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| 9 | # _bin/shwrap/mycpp_main respects EXTRA_MYCPP_ARGS
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| 10 | # for --stack-roots-warn 16 in CI
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| 11 |
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| 12 | set -o nounset
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| 13 | set -o pipefail
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| 14 | set -o errexit
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| 15 |
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| 16 | REPO_ROOT=$(cd "$(dirname $0)/.."; pwd)
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| 17 |
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| 18 | source build/dev-shell.sh # python2 in $PATH
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| 19 | #source devtools/types.sh # typecheck-files
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| 20 | source $REPO_ROOT/test/tsv-lib.sh # time-tsv
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| 21 |
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| 22 | die() {
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| 23 | echo "$@" >& 2
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| 24 | exit 1
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| 25 | }
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| 26 |
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| 27 | example-main-wrapper() {
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| 28 | ### Used by mycpp/examples
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| 29 | local main_namespace=${1:-fib_iter}
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| 30 | local declare=${2:-}
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| 31 |
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| 32 | if test -n "$declare"; then
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| 33 | echo "namespace $main_namespace {"
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| 34 | echo 'void run_tests();'
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| 35 | echo 'void run_benchmarks();'
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| 36 | echo '}'
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| 37 | fi
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| 38 |
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| 39 | cat <<EOF
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| 40 | int main(int argc, char **argv) {
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| 41 | gHeap.Init();
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| 42 |
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| 43 | char* b = getenv("BENCHMARK");
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| 44 | if (b && strlen(b)) { // match Python's logic
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| 45 | fprintf(stderr, "Benchmarking...\\n");
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| 46 | $main_namespace::run_benchmarks();
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| 47 | } else {
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| 48 | $main_namespace::run_tests();
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| 49 | }
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| 50 |
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| 51 | gHeap.CleanProcessExit();
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| 52 | }
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| 53 | EOF
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| 54 | }
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| 55 |
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| 56 | main-wrapper() {
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| 57 | ### Used by oils-for-unix and yaks
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| 58 | local main_namespace=$1
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| 59 | local declare=${2:-}
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| 60 |
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| 61 | if test -n "$declare"; then
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| 62 | # forward declaration
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| 63 | echo '#include "mycpp/gc_list.h"'
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| 64 | echo "namespace $main_namespace {"
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| 65 | echo 'int main(List<BigStr*> argv);'
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| 66 | echo '}'
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| 67 | fi
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| 68 |
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| 69 | cat <<EOF
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| 70 | int main(int argc, char **argv) {
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| 71 | mylib::InitCppOnly(); // Initializes gHeap
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| 72 |
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| 73 | auto* args = Alloc<List<BigStr*>>();
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| 74 | for (int i = 0; i < argc; ++i) {
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| 75 | args->append(StrFromC(argv[i]));
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| 76 | }
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| 77 |
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| 78 | int status = $main_namespace::main(args);
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| 79 |
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| 80 | gHeap.ProcessExit();
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| 81 |
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| 82 | return status;
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| 83 | }
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| 84 | EOF
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| 85 | }
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| 86 |
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| 87 | windows-main() {
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| 88 | local main_namespace=$1
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| 89 | local declare=${2:-}
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| 90 |
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| 91 | if test -n "$declare"; then
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| 92 | # forward declaration
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| 93 | echo '#include "mycpp/gc_list.h"'
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| 94 | echo "namespace $main_namespace {"
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| 95 | echo 'int main(List<BigStr*>* argv);'
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| 96 | echo '}'
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| 97 | fi
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| 98 |
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| 99 | cat <<EOF
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| 100 | int main(int argc, char **argv) {
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| 101 | gHeap.Init();
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| 102 |
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| 103 | auto* args = Alloc<List<BigStr*>>();
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| 104 | for (int i = 0; i < argc; ++i) {
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| 105 | args->append(StrFromC(argv[i]));
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| 106 | }
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| 107 |
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| 108 | int status = $main_namespace::main(args);
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| 109 |
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| 110 | gHeap.ProcessExit();
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| 111 |
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| 112 | return status;
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| 113 | }
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| 114 | EOF
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| 115 | }
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| 116 |
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| 117 | write-main() {
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| 118 | ### Write a C++ main file, for mycpp
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| 119 | local template=$1
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| 120 | local out=$2
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| 121 | local main_namespace=$3
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| 122 |
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| 123 | case $template in
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| 124 | unix)
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| 125 | main-wrapper $main_namespace T
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| 126 | ;;
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| 127 | win32)
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| 128 | windows-main $main_namespace T
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| 129 | ;;
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| 130 | example-unix)
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| 131 | example-main-wrapper $main_namespace T
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| 132 | ;;
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| 133 | *)
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| 134 | die "Invalid template '$template'"
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| 135 | ;;
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| 136 | esac > $out
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| 137 | }
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| 138 |
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| 139 | print-wrap-cc() {
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| 140 | local out=$1
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| 141 | local main_func=$2
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| 142 | local main_namespace=$3
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| 143 | local in=$4
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| 144 | local preamble_path=$5
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| 145 |
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| 146 | echo "// $out - generated from Python source code"
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| 147 | echo
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| 148 |
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| 149 | if test -f "$preamble_path"; then
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| 150 | echo "#include \"$preamble_path\""
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| 151 | else
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| 152 | # the default preamble, for mycpp/examples
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| 153 | echo '#include "mycpp/runtime.h"'
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| 154 | fi
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| 155 | echo
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| 156 |
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| 157 | cat $in
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| 158 |
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| 159 | # example-main-wrapper, main-wrapper, etc.
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| 160 | $main_func $main_namespace
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| 161 | }
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| 162 |
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| 163 | wrap-cc() {
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| 164 | local out=$1
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| 165 |
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| 166 | # $translator $main_namespace $in $preamble_path
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| 167 | print-wrap-cc "$@" > $out
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| 168 | }
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| 169 |
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| 170 | # TODO: Move mycpp/example tasks out of Ninja since timing is not a VALUE. It
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| 171 | # depends on the machine, can be done more than once, etc.
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| 172 |
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| 173 | task() {
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| 174 | local bin=$1 # Run this
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| 175 | local task_out=$2
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| 176 | local log_out=$3
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| 177 |
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| 178 | shift 3
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| 179 | # The rest of the args are passed as flags to time-tsv
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| 180 |
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| 181 | case $bin in
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| 182 | (mycpp/examples/*.py)
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| 183 | # we import mycpp.mylib
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| 184 | export PYTHONPATH="$REPO_ROOT/mycpp:$REPO_ROOT/vendor:$REPO_ROOT"
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| 185 | ;;
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| 186 | esac
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| 187 |
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| 188 | case $task_out in
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| 189 | (_test/tasks/benchmark/*)
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| 190 | export BENCHMARK=1
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| 191 | ;;
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| 192 | esac
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| 193 |
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| 194 | time-tsv -o $task_out --rusage "$@" --field $bin --field $task_out -- \
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| 195 | $bin >$log_out 2>&1
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| 196 | }
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| 197 |
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| 198 | example-task() {
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| 199 | ### Run a program in the examples/ dir, either in Python or C++
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| 200 |
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| 201 | local name=$1 # e.g. 'fib_iter'
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| 202 | local impl=$2 # 'Python' or 'C++'
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| 203 |
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| 204 | local bin=$3 # Run this
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| 205 | local task_out=$4
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| 206 | local log_out=$5
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| 207 |
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| 208 | task $bin $task_out $log_out --field $name --field $impl
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| 209 | }
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| 210 |
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| 211 | benchmark-table() {
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| 212 | local out=$1
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| 213 | shift
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| 214 |
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| 215 | # TODO: Use QTT header with types?
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| 216 | { time-tsv --print-header --rusage \
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| 217 | --field example_name --field impl \
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| 218 | --field bin --field task_out
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| 219 |
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| 220 | # Concatenate task files
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| 221 | cat "$@"
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| 222 | } > $out
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| 223 | }
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| 224 |
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| 225 | # Copied from devtools/types.sh
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| 226 |
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| 227 | MYPY_FLAGS='--strict --no-strict-optional'
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| 228 | typecheck-files() {
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| 229 | echo "MYPY $@"
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| 230 |
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| 231 | # TODO: Adjust path for mcypp/examples/modules.py
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| 232 | time MYPYPATH='.:pyext' python3 -m mypy --py2 --follow-imports=silent $MYPY_FLAGS "$@"
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| 233 | }
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| 234 |
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| 235 | typecheck() {
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| 236 | ### Typecheck without translation
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| 237 | local main_py=$1
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| 238 | local out=$2
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| 239 | local skip_imports=${3:-}
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| 240 |
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| 241 | if test -n "$skip_imports"; then
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| 242 | local more_flags='--follow-imports=silent'
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| 243 | else
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| 244 | local more_flags=''
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| 245 | fi
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| 246 |
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| 247 | # Similar to devtools/types.sh
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| 248 |
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| 249 | local status=0
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| 250 |
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| 251 | set +o errexit
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| 252 | typecheck-files $main_py > $out
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| 253 | status=$?
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| 254 | set -o errexit
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| 255 |
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| 256 | if test $status != 0; then
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| 257 | echo "FAIL $main_py"
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| 258 | cat $out
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| 259 | fi
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| 260 |
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| 261 | return $status
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| 262 | }
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| 263 |
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| 264 | logs-equal() {
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| 265 | local out=$1
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| 266 | shift
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| 267 |
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| 268 | mycpp/compare_pairs.py "$@" | tee $out
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| 269 | }
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| 270 |
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| 271 | #
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| 272 | # shwrap rules
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| 273 | #
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| 274 |
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| 275 | shwrap-py() {
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| 276 | ### Part of shell template for Python executables
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| 277 |
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| 278 | local main=$1
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| 279 | echo 'PYTHONPATH=$REPO_ROOT:$REPO_ROOT/vendor exec $REPO_ROOT/'$main' "$@"'
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| 280 | }
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| 281 |
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| 282 | shwrap-mycpp() {
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| 283 | ### Part of shell template for mycpp executable
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| 284 |
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| 285 | cat <<'EOF'
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| 286 | MYPYPATH=$1 # e.g. $REPO_ROOT/mycpp
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| 287 | preamble_path=$2
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| 288 | out=$3
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| 289 | shift 3
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| 290 |
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| 291 | # Modifies $PATH; do not combine
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| 292 | . build/dev-shell.sh
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| 293 |
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| 294 | tmp=$out.tmp # avoid creating partial files
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| 295 |
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| 296 | # The command we want to run
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| 297 | # EXTRA_MYCPP_ARGS is for --stack-root-warn 16, in Soil CI
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| 298 | set -- python3 mycpp/mycpp_main.py \
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| 299 | --preamble-path "$preamble_path" \
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| 300 | --cc-out $tmp \
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| 301 | ${EXTRA_MYCPP_ARGS:-} \
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| 302 | "$@"
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| 303 |
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| 304 | # If 'time' is on the system, add timing info. (It's not present on some
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| 305 | # Debian CI images)
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| 306 | if which time >/dev/null; then
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| 307 | # 'busybox time' supports -f but not --format.
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| 308 | set -- \
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| 309 | time -f 'MYCPP { elapsed: %e, max_RSS: %M }' -- \
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| 310 | "$@"
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| 311 | fi
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| 312 |
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| 313 | MYPYPATH="$MYPYPATH" "$@"
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| 314 | status=$?
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| 315 |
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| 316 | mv $tmp $out
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| 317 | exit $status
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| 318 | EOF
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| 319 | }
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| 320 |
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| 321 | shwrap-pea() {
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| 322 | ### Part of shell template for pea executable
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| 323 |
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| 324 | cat <<'EOF'
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| 325 | MYPYPATH=$1 # e.g. $REPO_ROOT/mycpp
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| 326 | preamble_path=$2
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| 327 | out=$3
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| 328 | shift 3
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| 329 |
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| 330 | tmp=$out.tmp # avoid creating partial files
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| 331 |
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| 332 | # copied from build/dev-shell.sh
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| 333 |
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| 334 | USER_WEDGE_DIR=~/wedge/oils-for-unix.org
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| 335 |
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| 336 | MYPY_VERSION=0.780
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| 337 | MYPY_WEDGE=$USER_WEDGE_DIR/pkg/mypy/$MYPY_VERSION
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| 338 |
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| 339 | PY3_LIBS_VERSION=2023-03-04
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| 340 | site_packages=lib/python3.10/site-packages
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| 341 | PY3_LIBS_WEDGE=$USER_WEDGE_DIR/pkg/py3-libs/$PY3_LIBS_VERSION/$site_packages
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| 342 |
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| 343 | PYTHONPATH="$REPO_ROOT:$MYPY_WEDGE:$PY3_LIBS_WEDGE" MYPYPATH="$MYPYPATH" \
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| 344 | python3 pea/pea_main.py mycpp "$@" > $tmp
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| 345 | status=$?
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| 346 |
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| 347 | mv $tmp $out
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| 348 | exit $status
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| 349 | EOF
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| 350 | }
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| 351 |
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| 352 | print-shwrap() {
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| 353 | local template=$1
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| 354 | local unused=$2
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| 355 | shift 2
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| 356 |
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| 357 | cat << 'EOF'
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| 358 | #!/bin/sh
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| 359 | REPO_ROOT=$(cd "$(dirname $0)/../.."; pwd)
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| 360 | . $REPO_ROOT/build/py2.sh
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| 361 | EOF
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| 362 |
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| 363 | case $template in
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| 364 | py)
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| 365 | local main=$1 # additional arg
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| 366 | shift
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| 367 | shwrap-py $main
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| 368 | ;;
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| 369 | mycpp)
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| 370 | shwrap-mycpp
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| 371 | ;;
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| 372 | pea)
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| 373 | shwrap-pea
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| 374 | ;;
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| 375 | *)
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| 376 | die "Invalid template '$template'"
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| 377 | ;;
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| 378 | esac
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| 379 |
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| 380 | echo
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| 381 | echo '# DEPENDS ON:'
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| 382 | for dep in "$@"; do
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| 383 | echo "# $dep"
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| 384 | done
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| 385 | }
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| 386 |
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| 387 | write-shwrap() {
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| 388 | ### Create a shell wrapper for a Python tool
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| 389 |
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| 390 | # Key point: if the Python code changes, then the C++ code should be
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| 391 | # regenerated and re-compiled
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| 392 |
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| 393 | local unused=$1
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| 394 | local stub_out=$2
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| 395 |
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| 396 | print-shwrap "$@" > $stub_out
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| 397 | chmod +x $stub_out
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| 398 | }
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| 399 |
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| 400 | # sourced by devtools/bin.sh
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| 401 | if test $(basename $0) = 'ninja-rules-py.sh'; then
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| 402 | "$@"
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| 403 | fi
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