diff options
| -rw-r--r-- | doc/intern.txt | 13 | ||||
| -rw-r--r-- | koch.nim | 8 |
2 files changed, 18 insertions, 3 deletions
diff --git a/doc/intern.txt b/doc/intern.txt index d9da863f5..a103703d7 100644 --- a/doc/intern.txt +++ b/doc/intern.txt @@ -145,6 +145,19 @@ are also lots of procs that aid in debugging: # why does it process temp.nim here? writeStackTrace() +To create a new compiler for each run, use ``koch temp``:: + + ./koch temp c /tmp/test.nim + +``koch temp`` creates a debug build of the compiler, which is useful +to create stacktraces for compiler debugging. + +``koch temp`` returns 125 as the exit code in case the compiler +compilation fails. This exit code tells ``git bisect`` to skip the +current commit.:: + + git bisect start bad-commit good-commit + git bisect ./koch -r c test-source.nim The compiler's architecture =========================== diff --git a/koch.nim b/koch.nim index 432b9ff3d..bc7631bcc 100644 --- a/koch.nim +++ b/koch.nim @@ -77,9 +77,9 @@ proc findNim(): string = # assume there is a symlink to the exe or something: return nim -proc exec(cmd: string) = +proc exec(cmd: string, errorcode: int = QuitFailure) = echo(cmd) - if execShellCmd(cmd) != 0: quit("FAILURE") + if execShellCmd(cmd) != 0: quit("FAILURE", errorcode) proc tryExec(cmd: string): bool = echo(cmd) @@ -341,7 +341,9 @@ proc tests(args: string) = proc temp(args: string) = var output = "compiler" / "nim".exe var finalDest = "bin" / "nim_temp".exe - exec("nim c compiler" / "nim") + # 125 is the magic number to tell git bisect to skip the current + # commit. + exec("nim c compiler" / "nim", 125) copyExe(output, finalDest) if args.len > 0: exec(finalDest & " " & args) |