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unit CompileHelpers;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, process, UTF8Process, LCLProc;
type
{ TCompileHelper }
TCompileHelper = class
private
FCommandLine: string;
FLastError: String;
public
function TestCompile(const PrgName, FpcOpts, ExeName, FpcExe: string): String;
function TestCompileUnits(const FpcExe, FpcOpts, SrcDirName, OutLibName: string): Boolean;
property LastError: String read FLastError;
property CommandLine: string read FCommandLine;
end;
var CompileHelper: TCompileHelper;
implementation
function ReadOutput(AProcess:TProcessUTF8): TStringList;
const
TIME_OUT = 300;
READ_BYTES = 1024;
var
BytesRead: Integer;
n: Integer;
EndTime: TDateTime;
OutputStream: TMemoryStream;
begin
OutputStream := TMemoryStream.Create;
BytesRead := 0;
EndTime := Now + TIME_OUT / (24 * 60 * 60);
while AProcess.Running and (Now<EndTime) do
begin
// make sure we have room
OutputStream.SetSize(BytesRead + READ_BYTES);
// try reading it
if AProcess.Output.NumBytesAvailable>0 then begin
n := AProcess.Output.Read((OutputStream.Memory + BytesRead)^, READ_BYTES);
Inc(BytesRead, n)
end
else
// no data, wait 100 ms
Sleep(100);
end;
// read last part
repeat
// make sure we have room
OutputStream.SetSize(BytesRead + READ_BYTES);
// try reading it
if AProcess.Output.NumBytesAvailable>0 then begin
n := AProcess.Output.Read((OutputStream.Memory + BytesRead)^, READ_BYTES);
Inc(BytesRead, n);
end
else
n := 0;
until n <= 0;
OutputStream.SetSize(BytesRead);
OutputStream.Position:=0;
Result := TStringList.Create;
Result.LoadFromStream(OutputStream);
OutputStream.Free;
end;
{ TCompileHelper }
function TCompileHelper.TestCompile(const PrgName, FpcOpts, ExeName, FpcExe: string): String;
var
FpcBuild: TProcessUTF8;
OutputLines: TStrings;
CmdLine: string;
begin
Result := 'Error';
FpcBuild := TProcessUTF8.Create(nil);
OutputLines := nil;
try
{$IFDEF windows}
FpcBuild.Options := [poNewConsole, poUsePipes];
{$ELSE}
FpcBuild.Options := [poNoConsole, poUsePipes];
{$ENDIF}
FpcBuild.ShowWindow := swoHIDE;
CmdLine := FpcExe + ' -B -MObjFPC -FUlib -o'+ ExeName + ' ' + FpcOpts + ' ' + PrgName;
debugln(['**** running compiler: ', CmdLine]);
FpcBuild.CommandLine := CmdLine;
FCommandLine := CmdLine;
FpcBuild.CurrentDirectory := ExtractFileDir(PrgName);
FpcBuild.Execute;
OutputLines := ReadOutput(FpcBuild);
if FpcBuild.Running then begin
FpcBuild.Terminate(99);
end;
if FpcBuild.ExitStatus = 0 then
Result := ''
else
Result := Result + LineEnding + OutputLines.Text;
finally
FpcBuild.Free;
OutputLines.Free;
end;
end;
function TCompileHelper.TestCompileUnits(const FpcExe, FpcOpts, SrcDirName,
OutLibName: string): Boolean;
var
FpcBuild: TProcessUTF8;
OutputLines: TStrings;
CmdLine: string;
begin
Result := False;
FpcBuild := TProcessUTF8.Create(nil);
OutputLines := nil;
try
{$IFDEF windows}
FpcBuild.Options := [poNewConsole, poUsePipes];
{$ELSE}
FpcBuild.Options := [poNoConsole, poUsePipes];
{$ENDIF}
FpcBuild.ShowWindow := swoHIDE;
CmdLine := FpcExe + ' -MObjFPC -FU' + OutLibName + ' ' + FpcOpts + ' ' + SrcDirName;
debugln(['**** running compiler: ', CmdLine]);
FpcBuild.CommandLine := CmdLine;
FCommandLine := CmdLine;
FpcBuild.CurrentDirectory := ExtractFileDir(SrcDirName);
FpcBuild.Execute;
OutputLines := ReadOutput(FpcBuild);
if FpcBuild.Running then begin
FpcBuild.Terminate(99);
end;
FLastError := OutputLines.Text;
if FpcBuild.ExitStatus = 0
then Result := True
else Result := False;
finally
FpcBuild.Free;
OutputLines.Free;
end;
end;
initialization
CompileHelper:= TCompileHelper.Create;
finalization
FreeAndNil(CompileHelper);
end.
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