mirror of
https://github.com/reactos/CMake.git
synced 2024-12-03 00:57:25 +00:00
ed98209ddc
Run the `clang-format.bash` script to update our C and C++ code to a new include order `.clang-format`. Use `clang-format` version 6.0.
408 lines
13 KiB
C++
408 lines
13 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#include "cmExecuteProcessCommand.h"
|
|
|
|
#include <algorithm>
|
|
#include <cctype> /* isspace */
|
|
#include <cstdio>
|
|
#include <iostream>
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "cmsys/Process.h"
|
|
|
|
#include "cm_static_string_view.hxx"
|
|
|
|
#include "cmAlgorithms.h"
|
|
#include "cmArgumentParser.h"
|
|
#include "cmExecutionStatus.h"
|
|
#include "cmMakefile.h"
|
|
#include "cmMessageType.h"
|
|
#include "cmProcessOutput.h"
|
|
#include "cmStringAlgorithms.h"
|
|
#include "cmSystemTools.h"
|
|
|
|
namespace {
|
|
bool cmExecuteProcessCommandIsWhitespace(char c)
|
|
{
|
|
return (isspace(static_cast<int>(c)) || c == '\n' || c == '\r');
|
|
}
|
|
|
|
void cmExecuteProcessCommandFixText(std::vector<char>& output,
|
|
bool strip_trailing_whitespace);
|
|
void cmExecuteProcessCommandAppend(std::vector<char>& output, const char* data,
|
|
int length);
|
|
}
|
|
|
|
// cmExecuteProcessCommand
|
|
bool cmExecuteProcessCommand(std::vector<std::string> const& args,
|
|
cmExecutionStatus& status)
|
|
{
|
|
if (args.empty()) {
|
|
status.SetError("called with incorrect number of arguments");
|
|
return false;
|
|
}
|
|
|
|
struct Arguments
|
|
{
|
|
std::vector<std::vector<std::string>> Commands;
|
|
std::string OutputVariable;
|
|
std::string ErrorVariable;
|
|
std::string ResultVariable;
|
|
std::string ResultsVariable;
|
|
std::string WorkingDirectory;
|
|
std::string InputFile;
|
|
std::string OutputFile;
|
|
std::string ErrorFile;
|
|
std::string Timeout;
|
|
std::string CommandEcho;
|
|
bool OutputQuiet = false;
|
|
bool ErrorQuiet = false;
|
|
bool OutputStripTrailingWhitespace = false;
|
|
bool ErrorStripTrailingWhitespace = false;
|
|
std::string Encoding;
|
|
};
|
|
|
|
static auto const parser =
|
|
cmArgumentParser<Arguments>{}
|
|
.Bind("COMMAND"_s, &Arguments::Commands)
|
|
.Bind("COMMAND_ECHO"_s, &Arguments::CommandEcho)
|
|
.Bind("OUTPUT_VARIABLE"_s, &Arguments::OutputVariable)
|
|
.Bind("ERROR_VARIABLE"_s, &Arguments::ErrorVariable)
|
|
.Bind("RESULT_VARIABLE"_s, &Arguments::ResultVariable)
|
|
.Bind("RESULTS_VARIABLE"_s, &Arguments::ResultsVariable)
|
|
.Bind("WORKING_DIRECTORY"_s, &Arguments::WorkingDirectory)
|
|
.Bind("INPUT_FILE"_s, &Arguments::InputFile)
|
|
.Bind("OUTPUT_FILE"_s, &Arguments::OutputFile)
|
|
.Bind("ERROR_FILE"_s, &Arguments::ErrorFile)
|
|
.Bind("TIMEOUT"_s, &Arguments::Timeout)
|
|
.Bind("OUTPUT_QUIET"_s, &Arguments::OutputQuiet)
|
|
.Bind("ERROR_QUIET"_s, &Arguments::ErrorQuiet)
|
|
.Bind("OUTPUT_STRIP_TRAILING_WHITESPACE"_s,
|
|
&Arguments::OutputStripTrailingWhitespace)
|
|
.Bind("ERROR_STRIP_TRAILING_WHITESPACE"_s,
|
|
&Arguments::ErrorStripTrailingWhitespace)
|
|
.Bind("ENCODING"_s, &Arguments::Encoding);
|
|
|
|
std::vector<std::string> unparsedArguments;
|
|
std::vector<std::string> keywordsMissingValue;
|
|
Arguments const arguments =
|
|
parser.Parse(args, &unparsedArguments, &keywordsMissingValue);
|
|
|
|
if (!keywordsMissingValue.empty()) {
|
|
status.SetError(" called with no value for " +
|
|
keywordsMissingValue.front() + ".");
|
|
return false;
|
|
}
|
|
if (!unparsedArguments.empty()) {
|
|
status.SetError(" given unknown argument \"" + unparsedArguments.front() +
|
|
"\".");
|
|
return false;
|
|
}
|
|
|
|
if (!status.GetMakefile().CanIWriteThisFile(arguments.OutputFile)) {
|
|
status.SetError("attempted to output into a file: " +
|
|
arguments.OutputFile + " into a source directory.");
|
|
cmSystemTools::SetFatalErrorOccured();
|
|
return false;
|
|
}
|
|
|
|
// Check for commands given.
|
|
if (arguments.Commands.empty()) {
|
|
status.SetError(" called with no COMMAND argument.");
|
|
return false;
|
|
}
|
|
for (std::vector<std::string> const& cmd : arguments.Commands) {
|
|
if (cmd.empty()) {
|
|
status.SetError(" given COMMAND argument with no value.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Parse the timeout string.
|
|
double timeout = -1;
|
|
if (!arguments.Timeout.empty()) {
|
|
if (sscanf(arguments.Timeout.c_str(), "%lg", &timeout) != 1) {
|
|
status.SetError(" called with TIMEOUT value that could not be parsed.");
|
|
return false;
|
|
}
|
|
}
|
|
// Create a process instance.
|
|
std::unique_ptr<cmsysProcess, void (*)(cmsysProcess*)> cp_ptr(
|
|
cmsysProcess_New(), cmsysProcess_Delete);
|
|
cmsysProcess* cp = cp_ptr.get();
|
|
|
|
// Set the command sequence.
|
|
for (std::vector<std::string> const& cmd : arguments.Commands) {
|
|
std::vector<const char*> argv(cmd.size() + 1);
|
|
std::transform(cmd.begin(), cmd.end(), argv.begin(),
|
|
[](std::string const& s) { return s.c_str(); });
|
|
argv.back() = nullptr;
|
|
cmsysProcess_AddCommand(cp, argv.data());
|
|
}
|
|
|
|
// Set the process working directory.
|
|
if (!arguments.WorkingDirectory.empty()) {
|
|
cmsysProcess_SetWorkingDirectory(cp, arguments.WorkingDirectory.c_str());
|
|
}
|
|
|
|
// Always hide the process window.
|
|
cmsysProcess_SetOption(cp, cmsysProcess_Option_HideWindow, 1);
|
|
|
|
// Check the output variables.
|
|
bool merge_output = false;
|
|
if (!arguments.InputFile.empty()) {
|
|
cmsysProcess_SetPipeFile(cp, cmsysProcess_Pipe_STDIN,
|
|
arguments.InputFile.c_str());
|
|
}
|
|
if (!arguments.OutputFile.empty()) {
|
|
cmsysProcess_SetPipeFile(cp, cmsysProcess_Pipe_STDOUT,
|
|
arguments.OutputFile.c_str());
|
|
}
|
|
if (!arguments.ErrorFile.empty()) {
|
|
if (arguments.ErrorFile == arguments.OutputFile) {
|
|
merge_output = true;
|
|
} else {
|
|
cmsysProcess_SetPipeFile(cp, cmsysProcess_Pipe_STDERR,
|
|
arguments.ErrorFile.c_str());
|
|
}
|
|
}
|
|
if (!arguments.OutputVariable.empty() &&
|
|
arguments.OutputVariable == arguments.ErrorVariable) {
|
|
merge_output = true;
|
|
}
|
|
if (merge_output) {
|
|
cmsysProcess_SetOption(cp, cmsysProcess_Option_MergeOutput, 1);
|
|
}
|
|
|
|
// Set the timeout if any.
|
|
if (timeout >= 0) {
|
|
cmsysProcess_SetTimeout(cp, timeout);
|
|
}
|
|
|
|
bool echo_stdout = false;
|
|
bool echo_stderr = false;
|
|
bool echo_output_from_variable = true;
|
|
std::string echo_output = status.GetMakefile().GetSafeDefinition(
|
|
"CMAKE_EXECUTE_PROCESS_COMMAND_ECHO");
|
|
if (!arguments.CommandEcho.empty()) {
|
|
echo_output_from_variable = false;
|
|
echo_output = arguments.CommandEcho;
|
|
}
|
|
|
|
if (!echo_output.empty()) {
|
|
if (echo_output == "STDERR") {
|
|
echo_stderr = true;
|
|
} else if (echo_output == "STDOUT") {
|
|
echo_stdout = true;
|
|
} else if (echo_output != "NONE") {
|
|
std::string error;
|
|
if (echo_output_from_variable) {
|
|
error = "CMAKE_EXECUTE_PROCESS_COMMAND_ECHO set to '";
|
|
} else {
|
|
error = " called with '";
|
|
}
|
|
error += echo_output;
|
|
error += "' expected STDERR|STDOUT|NONE";
|
|
if (!echo_output_from_variable) {
|
|
error += " for COMMAND_ECHO.";
|
|
}
|
|
status.GetMakefile().IssueMessage(MessageType::FATAL_ERROR, error);
|
|
return true;
|
|
}
|
|
}
|
|
if (echo_stdout || echo_stderr) {
|
|
std::string command;
|
|
for (auto& cmd : arguments.Commands) {
|
|
command += "'";
|
|
command += cmJoin(cmd, "' '");
|
|
command += "'";
|
|
command += "\n";
|
|
}
|
|
if (echo_stdout) {
|
|
std::cout << command;
|
|
} else if (echo_stderr) {
|
|
std::cerr << command;
|
|
}
|
|
}
|
|
// Start the process.
|
|
cmsysProcess_Execute(cp);
|
|
|
|
// Read the process output.
|
|
std::vector<char> tempOutput;
|
|
std::vector<char> tempError;
|
|
int length;
|
|
char* data;
|
|
int p;
|
|
cmProcessOutput processOutput(
|
|
cmProcessOutput::FindEncoding(arguments.Encoding));
|
|
std::string strdata;
|
|
while ((p = cmsysProcess_WaitForData(cp, &data, &length, nullptr))) {
|
|
// Put the output in the right place.
|
|
if (p == cmsysProcess_Pipe_STDOUT && !arguments.OutputQuiet) {
|
|
if (arguments.OutputVariable.empty()) {
|
|
processOutput.DecodeText(data, length, strdata, 1);
|
|
cmSystemTools::Stdout(strdata);
|
|
} else {
|
|
cmExecuteProcessCommandAppend(tempOutput, data, length);
|
|
}
|
|
} else if (p == cmsysProcess_Pipe_STDERR && !arguments.ErrorQuiet) {
|
|
if (arguments.ErrorVariable.empty()) {
|
|
processOutput.DecodeText(data, length, strdata, 2);
|
|
cmSystemTools::Stderr(strdata);
|
|
} else {
|
|
cmExecuteProcessCommandAppend(tempError, data, length);
|
|
}
|
|
}
|
|
}
|
|
if (!arguments.OutputQuiet && arguments.OutputVariable.empty()) {
|
|
processOutput.DecodeText(std::string(), strdata, 1);
|
|
if (!strdata.empty()) {
|
|
cmSystemTools::Stdout(strdata);
|
|
}
|
|
}
|
|
if (!arguments.ErrorQuiet && arguments.ErrorVariable.empty()) {
|
|
processOutput.DecodeText(std::string(), strdata, 2);
|
|
if (!strdata.empty()) {
|
|
cmSystemTools::Stderr(strdata);
|
|
}
|
|
}
|
|
|
|
// All output has been read. Wait for the process to exit.
|
|
cmsysProcess_WaitForExit(cp, nullptr);
|
|
processOutput.DecodeText(tempOutput, tempOutput);
|
|
processOutput.DecodeText(tempError, tempError);
|
|
|
|
// Fix the text in the output strings.
|
|
cmExecuteProcessCommandFixText(tempOutput,
|
|
arguments.OutputStripTrailingWhitespace);
|
|
cmExecuteProcessCommandFixText(tempError,
|
|
arguments.ErrorStripTrailingWhitespace);
|
|
|
|
// Store the output obtained.
|
|
if (!arguments.OutputVariable.empty() && !tempOutput.empty()) {
|
|
status.GetMakefile().AddDefinition(arguments.OutputVariable,
|
|
tempOutput.data());
|
|
}
|
|
if (!merge_output && !arguments.ErrorVariable.empty() &&
|
|
!tempError.empty()) {
|
|
status.GetMakefile().AddDefinition(arguments.ErrorVariable,
|
|
tempError.data());
|
|
}
|
|
|
|
// Store the result of running the process.
|
|
if (!arguments.ResultVariable.empty()) {
|
|
switch (cmsysProcess_GetState(cp)) {
|
|
case cmsysProcess_State_Exited: {
|
|
int v = cmsysProcess_GetExitValue(cp);
|
|
char buf[16];
|
|
sprintf(buf, "%d", v);
|
|
status.GetMakefile().AddDefinition(arguments.ResultVariable, buf);
|
|
} break;
|
|
case cmsysProcess_State_Exception:
|
|
status.GetMakefile().AddDefinition(
|
|
arguments.ResultVariable, cmsysProcess_GetExceptionString(cp));
|
|
break;
|
|
case cmsysProcess_State_Error:
|
|
status.GetMakefile().AddDefinition(arguments.ResultVariable,
|
|
cmsysProcess_GetErrorString(cp));
|
|
break;
|
|
case cmsysProcess_State_Expired:
|
|
status.GetMakefile().AddDefinition(
|
|
arguments.ResultVariable, "Process terminated due to timeout");
|
|
break;
|
|
}
|
|
}
|
|
// Store the result of running the processes.
|
|
if (!arguments.ResultsVariable.empty()) {
|
|
switch (cmsysProcess_GetState(cp)) {
|
|
case cmsysProcess_State_Exited: {
|
|
std::vector<std::string> res;
|
|
for (size_t i = 0; i < arguments.Commands.size(); ++i) {
|
|
switch (cmsysProcess_GetStateByIndex(cp, static_cast<int>(i))) {
|
|
case kwsysProcess_StateByIndex_Exited: {
|
|
int exitCode =
|
|
cmsysProcess_GetExitValueByIndex(cp, static_cast<int>(i));
|
|
char buf[16];
|
|
sprintf(buf, "%d", exitCode);
|
|
res.emplace_back(buf);
|
|
} break;
|
|
case kwsysProcess_StateByIndex_Exception:
|
|
res.emplace_back(cmsysProcess_GetExceptionStringByIndex(
|
|
cp, static_cast<int>(i)));
|
|
break;
|
|
case kwsysProcess_StateByIndex_Error:
|
|
default:
|
|
res.emplace_back("Error getting the child return code");
|
|
break;
|
|
}
|
|
}
|
|
status.GetMakefile().AddDefinition(arguments.ResultsVariable,
|
|
cmJoin(res, ";"));
|
|
} break;
|
|
case cmsysProcess_State_Exception:
|
|
status.GetMakefile().AddDefinition(
|
|
arguments.ResultsVariable, cmsysProcess_GetExceptionString(cp));
|
|
break;
|
|
case cmsysProcess_State_Error:
|
|
status.GetMakefile().AddDefinition(arguments.ResultsVariable,
|
|
cmsysProcess_GetErrorString(cp));
|
|
break;
|
|
case cmsysProcess_State_Expired:
|
|
status.GetMakefile().AddDefinition(
|
|
arguments.ResultsVariable, "Process terminated due to timeout");
|
|
break;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
namespace {
|
|
void cmExecuteProcessCommandFixText(std::vector<char>& output,
|
|
bool strip_trailing_whitespace)
|
|
{
|
|
// Remove \0 characters and the \r part of \r\n pairs.
|
|
unsigned int in_index = 0;
|
|
unsigned int out_index = 0;
|
|
while (in_index < output.size()) {
|
|
char c = output[in_index++];
|
|
if ((c != '\r' ||
|
|
!(in_index < output.size() && output[in_index] == '\n')) &&
|
|
c != '\0') {
|
|
output[out_index++] = c;
|
|
}
|
|
}
|
|
|
|
// Remove trailing whitespace if requested.
|
|
if (strip_trailing_whitespace) {
|
|
while (out_index > 0 &&
|
|
cmExecuteProcessCommandIsWhitespace(output[out_index - 1])) {
|
|
--out_index;
|
|
}
|
|
}
|
|
|
|
// Shrink the vector to the size needed.
|
|
output.resize(out_index);
|
|
|
|
// Put a terminator on the text string.
|
|
output.push_back('\0');
|
|
}
|
|
|
|
void cmExecuteProcessCommandAppend(std::vector<char>& output, const char* data,
|
|
int length)
|
|
{
|
|
#if defined(__APPLE__)
|
|
// HACK on Apple to work around bug with inserting at the
|
|
// end of an empty vector. This resulted in random failures
|
|
// that were hard to reproduce.
|
|
if (output.empty() && length > 0) {
|
|
output.push_back(data[0]);
|
|
++data;
|
|
--length;
|
|
}
|
|
#endif
|
|
cmAppend(output, data, data + length);
|
|
}
|
|
}
|