build: remove absolute path

.appveyor.yml

@@ -381,11 +381,7 @@ after_test:
  Select-String $trap -Path $files -SimpleMatch | where {
  # V8 took the liberty to produce an absolute path in their ninja
  # output. We can't do much about that, so we just ignore it.
- $_.Line -notmatch "v8/builtins-generated/bytecodes-builtins-list.h" -and
- # The absolute path to snapshot_libdeno_test.bin is passed to test_cc
- # via pre-processor variable. It's absolute because we want to be able
- # to execute test_cc from both the project root and the build root.
- $_.Line -notmatch "snapshot_libdeno_test.bin"
+ $_.Line -notmatch "v8/builtins-generated/bytecodes-builtins-list.h"
  } | tee -Variable line_matches
  if ($line_matches) {
  $ctx = $line_matches.Line |

BUILD.gn

@@ -197,8 +197,8 @@ v8_executable("test_cc") {
  data = [
  "$target_gen_dir/snapshot_libdeno_test.bin",
  ]
- snapshot_abs_path = rebase_path(data[0])
- defines = [ "SNAPSHOT_PATH=\"$snapshot_abs_path\"" ]
+ snapshot_path = rebase_path(data[0], root_build_dir)
+ defines = [ "SNAPSHOT_PATH=\"$snapshot_path\"" ]
  configs = [ ":deno_config" ]
 }
 

libdeno/test.cc

@@ -5,10 +5,18 @@
 deno_buf snapshot = {nullptr, 0, nullptr, 0};
 
 int main(int argc, char** argv) {
+ // Locate the snapshot.
+ std::string exe_path;
+ if (!deno::ExePath(&exe_path)) {
+ std::cerr << "deno::ExePath() failed" << std::endl;
+ return 1;
+ }
+ std::string snapshot_path = deno::Dirname(exe_path) + SNAPSHOT_PATH;
+
  // Load the snapshot.
  std::string contents;
- if (!deno::ReadFileToString(SNAPSHOT_PATH, &contents)) {
- printf("Failed to read file %s\n", SNAPSHOT_PATH);
+ if (!deno::ReadFileToString(snapshot_path.c_str(), &contents)) {
+ std::cerr << "Failed to read snapshot from " << snapshot_path << std::endl;
  return 1;
  }
  snapshot.data_ptr =