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{ See procedure "Usage". This code is in the public domain. }
Program GParMake;
Uses
Classes;
procedure Usage;
begin
writeln('GParMake: create make rules for parallel execution of testsuite');
writeln('Usage: gparmake [-a] <outputfile> <dirname> <startchunk> <tests_per_chunk> <test1> [<test2> ...]');
writeln('Output: makefile fragment with rules to run the tests in sequences of <tests_per_chunk>');
writeln;
halt(1);
end;
{ make all numbers of the same string length so they can be sorted
lexographically }
function rulenr2str(rulenr: longint): string;
var
i: longint;
begin
str(rulenr:9,rulenr2str);
for i:=1 to length(rulenr2str)-1 do
if rulenr2str[i]=' ' then
rulenr2str[i]:='0';
end;
procedure WriteChunkRule(rulenr: longint; const dirname, files: ansistring);
var
rulestr: string;
begin
rulestr:=rulenr2str(rulenr)+dirname;
writeln('$(TEST_OUTPUTDIR)/testchunk_',rulestr,'-stamp.$(TEST_FULL_TARGET): testprep-stamp.$(TEST_FULL_TARGET)');
writeln(#9'$(Q)$(DOTEST) $(DOTESTOPT) -Lchunk',rulestr,' -e ',files);
writeln(#9'$(ECHOREDIR) $(TEST_DATETIME) > $@');
writeln;
writeln('$(addsuffix .chunk',rulestr,', $(LOGFILES)) : $(TEST_OUTPUTDIR)/testchunk_',rulestr,'-stamp.$(TEST_FULL_TARGET)');
writeln;
writeln('.INTERMEDIATE: $(addsuffix .chunk',rulestr,', $(LOGFILES)) $(TEST_OUTPUTDIR)/testchunk_',rulestr,'-stamp.$(TEST_FULL_TARGET)');
writeln;
end;
var
startchunk: longint;
dirname : ansistring;
doappend: boolean;
FileList : TStringList;
Function ProcessArgs: longint;
var
i,
paramnr,
chunktargetsize,
chunksize,
chunknr,
nextfileindex,
error: longint;
testname,
nexttestname,
testlist,
s,
outputname: ansistring;
filelist : array of ansistring;
responsefile : text;
procedure AddFile(const s : ansistring);
begin
if nextfileindex>high(filelist) then
SetLength(filelist,length(filelist)+128);
filelist[nextfileindex]:=s;
inc(nextfileindex);
end;
procedure FlushChunk;
begin
WriteChunkRule(chunknr,dirname,testlist);
inc(chunknr);
testlist:='';
chunksize:=0;
end;
begin
if paramcount < 3 then
Usage;
doappend:=false;
paramnr:=1;
if paramstr(paramnr)='-a' then
begin
doappend:=true;
inc(paramnr);
end;
outputname:=paramstr(paramnr);
inc(paramnr);
dirname:=paramstr(paramnr);
inc(paramnr);
val(paramstr(paramnr),startchunk,error);
if error<>0 then
Usage;
inc(paramnr);
val(paramstr(paramnr),chunktargetsize,error);
if error<>0 then
Usage;
inc(paramnr);
{ only redirect output after all possible cases where we may have to write
the usage screen }
assign(output,outputname);
if doappend then
append(output)
else
rewrite(output);
chunknr:=startchunk;
chunksize:=0;
testlist:='';
nextfileindex:=0;
for i := paramnr to paramcount do
begin
if paramstr(i)[1]='@' then
begin
assign(responsefile,copy(paramstr(i),2,length(paramstr(i))));
reset(responsefile);
while not(eof(responsefile)) do
begin
readln(responsefile,s);
AddFile(s);
end;
close(responsefile);
end
else
AddFile(paramstr(i));
end;
for i := 0 to nextfileindex-1 do
begin
testname:=filelist[i];
testlist:=testlist+' '+testname;
inc(chunksize);
if chunksize>=chunktargetsize then
begin
if (i=nextfileindex-1) then
FlushChunk
else
begin
{ keep tests with the same name except for the last character in the same chunk,
because they may have to be executed in order (skip ".pp" suffix and last char) }
if i+1>=nextfileindex then
nexttestname:=''
else
nexttestname:=filelist[i+1];
if lowercase(copy(testname,1,length(testname)-4))<>lowercase(copy(nexttestname,1,length(nexttestname)-4)) then
FlushChunk;
end;
end;
end;
if chunksize<>0 then
FlushChunk;
ProcessArgs:=chunknr-1;
end;
procedure WriteWrapperRules(totalchunks: longint);
const
lognames: array[1..3] of string[11] = ('log','faillist','longlog');
var
logi,
i: longint;
begin
for logi:=1 to 3 do
begin
write('$(TEST_OUTPUTDIR)/',lognames[logi],' :');
for i:=startchunk to totalchunks do
write(' $(TEST_OUTPUTDIR)/',lognames[logi],'.chunk',rulenr2str(i)+dirname);
writeln;
{ if you have multiple rules for one (non-pattern) target, all
prerequisites will be merged, but only one of the rules can have a
recipe }
if not doappend then
begin
writeln(#9'$(Q)$(CONCAT) $(sort $^) $@');
writeln;
end;
writeln;
end;
if not doappend then
begin
writeln('gparmake_allexectests : $(LOGFILES)');
writeln;
end;
end;
var
totalchunks: longint;
begin
totalchunks:=ProcessArgs;
WriteWrapperRules(totalchunks);
close(output);
end.
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