Show stackTrace on asserts

config.nims

@@ -1,9 +1,4 @@
-#[
-see D20190127T231316 workaround for fact that toast needs to build
-scanner.cc, which would otherwise result in link errors such as:
-"std::terminate()", referenced from:
-      ___clang_call_terminate in scanner.cc.o
-]#
+# Workaround for C++ scanner.cc causing link error with other C obj files
 when defined(MacOSX):
   switch("clang.linkerexe", "g++")
 else:
@@ -11,4 +6,7 @@ else:
 
 # Workaround for NilAccessError crash on Windows #98
 when defined(Windows):
-  switch("gc", "markAndSweep")
+  switch("gc", "markAndSweep")
+
+# Retain stackTrace for clear errors
+switch("stackTrace", "on")

nimterop/git.nim

@@ -18,9 +18,7 @@ proc execAction*(cmd: string, nostderr=false): string =
   else:
     let opt = if nostderr: {poUsePath} else: {poStdErrToStdOut, poUsePath}
     (result, ret) = execCmdEx(ccmd, opt)
-  if ret != 0:
-    let msg = "Command failed: " & $(ret, nostderr) & "\nccmd: " & ccmd & "\nresult:\n" & result
-    doAssert false, msg
+  doAssert ret == 0, "Command failed: " & $(ret, nostderr) & "\nccmd: " & ccmd & "\nresult:\n" & result
 
 proc mkDir*(dir: string) =
   if not dirExists(dir):

nimterop/treesitter/cpp.nim

@@ -19,18 +19,6 @@ else:
 # pending https://github.com/nim-lang/Nim/issues/9370 we need srcDirRel instead
 # of srcDir
 {.compile: (srcDirRel / "parser.c", "nimtero_cpp_parser.c.o").}
-
-#[
-D20190127T231316:here note: this will be compiled as a C++ file even with
-`nim c`, thanks to the extension (which clang/gcc understands);
-however, in `nim c` mode this will fail in link phase
-(which by default would use `clang/gcc`)
-unless linker is overridden, see D20190127T231316.
-
-cleaner alternative: compile `scanner.cc` into a shared library
-that we link against, which avoids the linker hack.
-]#
-
 {.compile: srcDir / "scanner.cc".}
 
 proc treeSitterCpp*(): ptr TSLanguage {.importc: "tree_sitter_cpp", header: srcDir / "api.h".}