You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
275 lines
8.9 KiB
275 lines
8.9 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#include "cmGeneratorExpressionEvaluationFile.h"
|
|
|
|
#include <memory>
|
|
#include <sstream>
|
|
#include <utility>
|
|
|
|
#include "cmsys/FStream.hxx"
|
|
|
|
#include "cmGeneratedFileStream.h"
|
|
#include "cmGlobalGenerator.h"
|
|
#include "cmListFileCache.h"
|
|
#include "cmLocalGenerator.h"
|
|
#include "cmMakefile.h"
|
|
#include "cmMessageType.h"
|
|
#include "cmSourceFile.h"
|
|
#include "cmSystemTools.h"
|
|
|
|
cmGeneratorExpressionEvaluationFile::cmGeneratorExpressionEvaluationFile(
|
|
std::string input, std::string target,
|
|
std::unique_ptr<cmCompiledGeneratorExpression> outputFileExpr,
|
|
std::unique_ptr<cmCompiledGeneratorExpression> condition,
|
|
bool inputIsContent, std::string newLineCharacter, mode_t permissions,
|
|
cmPolicies::PolicyStatus policyStatusCMP0070)
|
|
: Input(std::move(input))
|
|
, Target(std::move(target))
|
|
, OutputFileExpr(std::move(outputFileExpr))
|
|
, Condition(std::move(condition))
|
|
, InputIsContent(inputIsContent)
|
|
, NewLineCharacter(std::move(newLineCharacter))
|
|
, PolicyStatusCMP0070(policyStatusCMP0070)
|
|
, Permissions(permissions)
|
|
{
|
|
}
|
|
|
|
void cmGeneratorExpressionEvaluationFile::Generate(
|
|
cmLocalGenerator* lg, const std::string& config, const std::string& lang,
|
|
cmCompiledGeneratorExpression* inputExpression,
|
|
std::map<std::string, std::string>& outputFiles, mode_t perm)
|
|
{
|
|
std::string rawCondition = this->Condition->GetInput();
|
|
cmGeneratorTarget* target = lg->FindGeneratorTargetToUse(this->Target);
|
|
if (!rawCondition.empty()) {
|
|
std::string condResult =
|
|
this->Condition->Evaluate(lg, config, target, nullptr, nullptr, lang);
|
|
if (condResult == "0") {
|
|
return;
|
|
}
|
|
if (condResult != "1") {
|
|
std::ostringstream e;
|
|
e << "Evaluation file condition \"" << rawCondition
|
|
<< "\" did "
|
|
"not evaluate to valid content. Got \""
|
|
<< condResult << "\".";
|
|
lg->IssueMessage(MessageType::FATAL_ERROR, e.str());
|
|
return;
|
|
}
|
|
}
|
|
|
|
const std::string outputFileName =
|
|
this->GetOutputFileName(lg, target, config, lang);
|
|
const std::string& outputContent =
|
|
inputExpression->Evaluate(lg, config, target, nullptr, nullptr, lang);
|
|
|
|
auto it = outputFiles.find(outputFileName);
|
|
|
|
if (it != outputFiles.end()) {
|
|
if (it->second == outputContent) {
|
|
return;
|
|
}
|
|
std::ostringstream e;
|
|
e << "Evaluation file to be written multiple times with different "
|
|
"content. "
|
|
"This is generally caused by the content evaluating the "
|
|
"configuration type, language, or location of object files:\n "
|
|
<< outputFileName;
|
|
lg->IssueMessage(MessageType::FATAL_ERROR, e.str());
|
|
return;
|
|
}
|
|
|
|
lg->GetMakefile()->AddCMakeOutputFile(outputFileName);
|
|
this->Files.push_back(outputFileName);
|
|
outputFiles[outputFileName] = outputContent;
|
|
|
|
bool openWithBinaryFlag = false;
|
|
if (!this->NewLineCharacter.empty()) {
|
|
openWithBinaryFlag = true;
|
|
}
|
|
cmGeneratedFileStream fout;
|
|
fout.Open(outputFileName, false, openWithBinaryFlag);
|
|
if (!fout) {
|
|
lg->IssueMessage(MessageType::FATAL_ERROR,
|
|
"Could not open file for write in copy operation " +
|
|
outputFileName);
|
|
return;
|
|
}
|
|
fout.SetCopyIfDifferent(true);
|
|
std::istringstream iss(outputContent);
|
|
std::string line;
|
|
bool hasNewLine = false;
|
|
while (cmSystemTools::GetLineFromStream(iss, line, &hasNewLine)) {
|
|
fout << line;
|
|
if (!this->NewLineCharacter.empty()) {
|
|
fout << this->NewLineCharacter;
|
|
} else if (hasNewLine) {
|
|
// if new line character is not specified, the file will be opened in
|
|
// text mode. So, "\n" will be translated to the correct newline
|
|
// ending based on the platform.
|
|
fout << "\n";
|
|
}
|
|
}
|
|
if (fout.Close() && perm) {
|
|
cmSystemTools::SetPermissions(outputFileName.c_str(), perm);
|
|
}
|
|
}
|
|
|
|
void cmGeneratorExpressionEvaluationFile::CreateOutputFile(
|
|
cmLocalGenerator* lg, std::string const& config)
|
|
{
|
|
std::vector<std::string> enabledLanguages;
|
|
cmGlobalGenerator* gg = lg->GetGlobalGenerator();
|
|
cmGeneratorTarget* target = lg->FindGeneratorTargetToUse(this->Target);
|
|
gg->GetEnabledLanguages(enabledLanguages);
|
|
|
|
for (std::string const& le : enabledLanguages) {
|
|
std::string const name = this->GetOutputFileName(lg, target, config, le);
|
|
cmSourceFile* sf = lg->GetMakefile()->GetOrCreateGeneratedSource(name);
|
|
|
|
// Tell the build system generators that there is no build rule
|
|
// to generate the file.
|
|
sf->SetProperty("__CMAKE_GENERATED_BY_CMAKE", "1");
|
|
|
|
gg->SetFilenameTargetDepends(
|
|
sf, this->OutputFileExpr->GetSourceSensitiveTargets());
|
|
}
|
|
}
|
|
|
|
void cmGeneratorExpressionEvaluationFile::Generate(cmLocalGenerator* lg)
|
|
{
|
|
std::string inputContent;
|
|
if (this->InputIsContent) {
|
|
inputContent = this->Input;
|
|
} else {
|
|
const std::string inputFileName = this->GetInputFileName(lg);
|
|
lg->GetMakefile()->AddCMakeDependFile(inputFileName);
|
|
if (!this->Permissions) {
|
|
cmSystemTools::GetPermissions(inputFileName.c_str(), this->Permissions);
|
|
}
|
|
cmsys::ifstream fin(inputFileName.c_str());
|
|
if (!fin) {
|
|
std::ostringstream e;
|
|
e << "Evaluation file \"" << inputFileName << "\" cannot be read.";
|
|
lg->IssueMessage(MessageType::FATAL_ERROR, e.str());
|
|
return;
|
|
}
|
|
|
|
std::string line;
|
|
std::string sep;
|
|
while (cmSystemTools::GetLineFromStream(fin, line)) {
|
|
inputContent += sep + line;
|
|
sep = "\n";
|
|
}
|
|
inputContent += sep;
|
|
}
|
|
|
|
cmListFileBacktrace lfbt = this->OutputFileExpr->GetBacktrace();
|
|
cmGeneratorExpression contentGE(*lg->GetCMakeInstance(), lfbt);
|
|
std::unique_ptr<cmCompiledGeneratorExpression> inputExpression =
|
|
contentGE.Parse(inputContent);
|
|
|
|
std::map<std::string, std::string> outputFiles;
|
|
|
|
std::vector<std::string> allConfigs =
|
|
lg->GetMakefile()->GetGeneratorConfigs(cmMakefile::IncludeEmptyConfig);
|
|
|
|
std::vector<std::string> enabledLanguages;
|
|
cmGlobalGenerator* gg = lg->GetGlobalGenerator();
|
|
gg->GetEnabledLanguages(enabledLanguages);
|
|
|
|
for (std::string const& le : enabledLanguages) {
|
|
for (std::string const& li : allConfigs) {
|
|
this->Generate(lg, li, le, inputExpression.get(), outputFiles,
|
|
this->Permissions);
|
|
if (cmSystemTools::GetFatalErrorOccurred()) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string cmGeneratorExpressionEvaluationFile::GetInputFileName(
|
|
cmLocalGenerator* lg)
|
|
{
|
|
std::string inputFileName = this->Input;
|
|
|
|
if (cmSystemTools::FileIsFullPath(inputFileName)) {
|
|
inputFileName = cmSystemTools::CollapseFullPath(inputFileName);
|
|
} else {
|
|
inputFileName = this->FixRelativePath(inputFileName, PathForInput, lg);
|
|
}
|
|
|
|
return inputFileName;
|
|
}
|
|
|
|
std::string cmGeneratorExpressionEvaluationFile::GetOutputFileName(
|
|
cmLocalGenerator* lg, cmGeneratorTarget* target, const std::string& config,
|
|
const std::string& lang)
|
|
{
|
|
std::string outputFileName =
|
|
this->OutputFileExpr->Evaluate(lg, config, target, nullptr, nullptr, lang);
|
|
|
|
if (cmSystemTools::FileIsFullPath(outputFileName)) {
|
|
outputFileName = cmSystemTools::CollapseFullPath(outputFileName);
|
|
} else {
|
|
outputFileName = this->FixRelativePath(outputFileName, PathForOutput, lg);
|
|
}
|
|
|
|
return outputFileName;
|
|
}
|
|
|
|
std::string cmGeneratorExpressionEvaluationFile::FixRelativePath(
|
|
std::string const& relativePath, PathRole role, cmLocalGenerator* lg)
|
|
{
|
|
std::string resultPath;
|
|
switch (this->PolicyStatusCMP0070) {
|
|
case cmPolicies::WARN: {
|
|
std::string arg;
|
|
switch (role) {
|
|
case PathForInput:
|
|
arg = "INPUT";
|
|
break;
|
|
case PathForOutput:
|
|
arg = "OUTPUT";
|
|
break;
|
|
}
|
|
std::ostringstream w;
|
|
/* clang-format off */
|
|
w <<
|
|
cmPolicies::GetPolicyWarning(cmPolicies::CMP0070) << "\n"
|
|
"file(GENERATE) given relative " << arg << " path:\n"
|
|
" " << relativePath << "\n"
|
|
"This is not defined behavior unless CMP0070 is set to NEW. "
|
|
"For compatibility with older versions of CMake, the previous "
|
|
"undefined behavior will be used."
|
|
;
|
|
/* clang-format on */
|
|
lg->IssueMessage(MessageType::AUTHOR_WARNING, w.str());
|
|
}
|
|
CM_FALLTHROUGH;
|
|
case cmPolicies::OLD:
|
|
// OLD behavior is to use the relative path unchanged,
|
|
// which ends up being used relative to the working dir.
|
|
resultPath = relativePath;
|
|
break;
|
|
case cmPolicies::REQUIRED_IF_USED:
|
|
case cmPolicies::REQUIRED_ALWAYS:
|
|
case cmPolicies::NEW:
|
|
// NEW behavior is to interpret the relative path with respect
|
|
// to the current source or binary directory.
|
|
switch (role) {
|
|
case PathForInput:
|
|
resultPath = cmSystemTools::CollapseFullPath(
|
|
relativePath, lg->GetCurrentSourceDirectory());
|
|
break;
|
|
case PathForOutput:
|
|
resultPath = cmSystemTools::CollapseFullPath(
|
|
relativePath, lg->GetCurrentBinaryDirectory());
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
return resultPath;
|
|
}
|