mirror of
https://github.com/reactos/CMake.git
synced 2024-12-04 17:56:26 +00:00
404 lines
12 KiB
C++
404 lines
12 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#include "cmGeneratorExpression.h"
|
|
|
|
#include "cmsys/RegularExpression.hxx"
|
|
#include <memory> // IWYU pragma: keep
|
|
#include <utility>
|
|
|
|
#include "assert.h"
|
|
#include "cmAlgorithms.h"
|
|
#include "cmGeneratorExpressionContext.h"
|
|
#include "cmGeneratorExpressionDAGChecker.h"
|
|
#include "cmGeneratorExpressionEvaluator.h"
|
|
#include "cmGeneratorExpressionLexer.h"
|
|
#include "cmGeneratorExpressionParser.h"
|
|
#include "cmSystemTools.h"
|
|
|
|
cmGeneratorExpression::cmGeneratorExpression(
|
|
const cmListFileBacktrace& backtrace)
|
|
: Backtrace(backtrace)
|
|
{
|
|
}
|
|
|
|
std::unique_ptr<cmCompiledGeneratorExpression> cmGeneratorExpression::Parse(
|
|
std::string const& input)
|
|
{
|
|
return std::unique_ptr<cmCompiledGeneratorExpression>(
|
|
new cmCompiledGeneratorExpression(this->Backtrace, input));
|
|
}
|
|
|
|
std::unique_ptr<cmCompiledGeneratorExpression> cmGeneratorExpression::Parse(
|
|
const char* input)
|
|
{
|
|
return this->Parse(std::string(input ? input : ""));
|
|
}
|
|
|
|
cmGeneratorExpression::~cmGeneratorExpression()
|
|
{
|
|
}
|
|
|
|
const char* cmCompiledGeneratorExpression::Evaluate(
|
|
cmLocalGenerator* lg, const std::string& config, bool quiet,
|
|
const cmGeneratorTarget* headTarget,
|
|
cmGeneratorExpressionDAGChecker* dagChecker,
|
|
std::string const& language) const
|
|
{
|
|
return this->Evaluate(lg, config, quiet, headTarget, headTarget, dagChecker,
|
|
language);
|
|
}
|
|
|
|
const char* cmCompiledGeneratorExpression::Evaluate(
|
|
cmLocalGenerator* lg, const std::string& config, bool quiet,
|
|
const cmGeneratorTarget* headTarget, const cmGeneratorTarget* currentTarget,
|
|
cmGeneratorExpressionDAGChecker* dagChecker,
|
|
std::string const& language) const
|
|
{
|
|
cmGeneratorExpressionContext context(
|
|
lg, config, quiet, headTarget, currentTarget ? currentTarget : headTarget,
|
|
this->EvaluateForBuildsystem, this->Backtrace, language);
|
|
|
|
return this->EvaluateWithContext(context, dagChecker);
|
|
}
|
|
|
|
const char* cmCompiledGeneratorExpression::EvaluateWithContext(
|
|
cmGeneratorExpressionContext& context,
|
|
cmGeneratorExpressionDAGChecker* dagChecker) const
|
|
{
|
|
if (!this->NeedsEvaluation) {
|
|
return this->Input.c_str();
|
|
}
|
|
|
|
this->Output.clear();
|
|
|
|
std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
|
|
this->Evaluators.begin();
|
|
const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
|
|
this->Evaluators.end();
|
|
|
|
for (; it != end; ++it) {
|
|
this->Output += (*it)->Evaluate(&context, dagChecker);
|
|
|
|
this->SeenTargetProperties.insert(context.SeenTargetProperties.begin(),
|
|
context.SeenTargetProperties.end());
|
|
if (context.HadError) {
|
|
this->Output.clear();
|
|
break;
|
|
}
|
|
}
|
|
|
|
this->MaxLanguageStandard = context.MaxLanguageStandard;
|
|
|
|
if (!context.HadError) {
|
|
this->HadContextSensitiveCondition = context.HadContextSensitiveCondition;
|
|
this->HadHeadSensitiveCondition = context.HadHeadSensitiveCondition;
|
|
this->SourceSensitiveTargets = context.SourceSensitiveTargets;
|
|
}
|
|
|
|
this->DependTargets = context.DependTargets;
|
|
this->AllTargetsSeen = context.AllTargets;
|
|
// TODO: Return a std::string from here instead?
|
|
return this->Output.c_str();
|
|
}
|
|
|
|
cmCompiledGeneratorExpression::cmCompiledGeneratorExpression(
|
|
cmListFileBacktrace const& backtrace, const std::string& input)
|
|
: Backtrace(backtrace)
|
|
, Input(input)
|
|
, HadContextSensitiveCondition(false)
|
|
, HadHeadSensitiveCondition(false)
|
|
, EvaluateForBuildsystem(false)
|
|
{
|
|
cmGeneratorExpressionLexer l;
|
|
std::vector<cmGeneratorExpressionToken> tokens = l.Tokenize(this->Input);
|
|
this->NeedsEvaluation = l.GetSawGeneratorExpression();
|
|
|
|
if (this->NeedsEvaluation) {
|
|
cmGeneratorExpressionParser p(tokens);
|
|
p.Parse(this->Evaluators);
|
|
}
|
|
}
|
|
|
|
cmCompiledGeneratorExpression::~cmCompiledGeneratorExpression()
|
|
{
|
|
cmDeleteAll(this->Evaluators);
|
|
}
|
|
|
|
std::string cmGeneratorExpression::StripEmptyListElements(
|
|
const std::string& input)
|
|
{
|
|
if (input.find(';') == std::string::npos) {
|
|
return input;
|
|
}
|
|
std::string result;
|
|
result.reserve(input.size());
|
|
|
|
const char* c = input.c_str();
|
|
const char* last = c;
|
|
bool skipSemiColons = true;
|
|
for (; *c; ++c) {
|
|
if (*c == ';') {
|
|
if (skipSemiColons) {
|
|
result.append(last, c - last);
|
|
last = c + 1;
|
|
}
|
|
skipSemiColons = true;
|
|
} else {
|
|
skipSemiColons = false;
|
|
}
|
|
}
|
|
result.append(last);
|
|
|
|
if (!result.empty() && *(result.end() - 1) == ';') {
|
|
result.resize(result.size() - 1);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static std::string stripAllGeneratorExpressions(const std::string& input)
|
|
{
|
|
std::string result;
|
|
std::string::size_type pos = 0;
|
|
std::string::size_type lastPos = pos;
|
|
int nestingLevel = 0;
|
|
while ((pos = input.find("$<", lastPos)) != std::string::npos) {
|
|
result += input.substr(lastPos, pos - lastPos);
|
|
pos += 2;
|
|
nestingLevel = 1;
|
|
const char* c = input.c_str() + pos;
|
|
const char* const cStart = c;
|
|
for (; *c; ++c) {
|
|
if (c[0] == '$' && c[1] == '<') {
|
|
++nestingLevel;
|
|
++c;
|
|
continue;
|
|
}
|
|
if (c[0] == '>') {
|
|
--nestingLevel;
|
|
if (nestingLevel == 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
const std::string::size_type traversed = (c - cStart) + 1;
|
|
if (!*c) {
|
|
result += "$<" + input.substr(pos, traversed);
|
|
}
|
|
pos += traversed;
|
|
lastPos = pos;
|
|
}
|
|
if (nestingLevel == 0) {
|
|
result += input.substr(lastPos);
|
|
}
|
|
return cmGeneratorExpression::StripEmptyListElements(result);
|
|
}
|
|
|
|
static void prefixItems(const std::string& content, std::string& result,
|
|
const std::string& prefix)
|
|
{
|
|
std::vector<std::string> entries;
|
|
cmGeneratorExpression::Split(content, entries);
|
|
const char* sep = "";
|
|
for (std::string const& e : entries) {
|
|
result += sep;
|
|
sep = ";";
|
|
if (!cmSystemTools::FileIsFullPath(e.c_str()) &&
|
|
cmGeneratorExpression::Find(e) != 0) {
|
|
result += prefix;
|
|
}
|
|
result += e;
|
|
}
|
|
}
|
|
|
|
static std::string stripExportInterface(
|
|
const std::string& input, cmGeneratorExpression::PreprocessContext context,
|
|
bool resolveRelative)
|
|
{
|
|
std::string result;
|
|
|
|
int nestingLevel = 0;
|
|
std::string::size_type pos = 0;
|
|
std::string::size_type lastPos = pos;
|
|
while (true) {
|
|
std::string::size_type bPos = input.find("$<BUILD_INTERFACE:", lastPos);
|
|
std::string::size_type iPos = input.find("$<INSTALL_INTERFACE:", lastPos);
|
|
|
|
if (bPos == std::string::npos && iPos == std::string::npos) {
|
|
break;
|
|
}
|
|
|
|
if (bPos == std::string::npos) {
|
|
pos = iPos;
|
|
} else if (iPos == std::string::npos) {
|
|
pos = bPos;
|
|
} else {
|
|
pos = (bPos < iPos) ? bPos : iPos;
|
|
}
|
|
|
|
result += input.substr(lastPos, pos - lastPos);
|
|
const bool gotInstallInterface = input[pos + 2] == 'I';
|
|
pos += gotInstallInterface ? sizeof("$<INSTALL_INTERFACE:") - 1
|
|
: sizeof("$<BUILD_INTERFACE:") - 1;
|
|
nestingLevel = 1;
|
|
const char* c = input.c_str() + pos;
|
|
const char* const cStart = c;
|
|
for (; *c; ++c) {
|
|
if (c[0] == '$' && c[1] == '<') {
|
|
++nestingLevel;
|
|
++c;
|
|
continue;
|
|
}
|
|
if (c[0] == '>') {
|
|
--nestingLevel;
|
|
if (nestingLevel != 0) {
|
|
continue;
|
|
}
|
|
if (context == cmGeneratorExpression::BuildInterface &&
|
|
!gotInstallInterface) {
|
|
result += input.substr(pos, c - cStart);
|
|
} else if (context == cmGeneratorExpression::InstallInterface &&
|
|
gotInstallInterface) {
|
|
const std::string content = input.substr(pos, c - cStart);
|
|
if (resolveRelative) {
|
|
prefixItems(content, result, "${_IMPORT_PREFIX}/");
|
|
} else {
|
|
result += content;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
const std::string::size_type traversed = (c - cStart) + 1;
|
|
if (!*c) {
|
|
result += std::string(gotInstallInterface ? "$<INSTALL_INTERFACE:"
|
|
: "$<BUILD_INTERFACE:") +
|
|
input.substr(pos, traversed);
|
|
}
|
|
pos += traversed;
|
|
lastPos = pos;
|
|
}
|
|
if (nestingLevel == 0) {
|
|
result += input.substr(lastPos);
|
|
}
|
|
|
|
return cmGeneratorExpression::StripEmptyListElements(result);
|
|
}
|
|
|
|
void cmGeneratorExpression::Split(const std::string& input,
|
|
std::vector<std::string>& output)
|
|
{
|
|
std::string::size_type pos = 0;
|
|
std::string::size_type lastPos = pos;
|
|
while ((pos = input.find("$<", lastPos)) != std::string::npos) {
|
|
std::string part = input.substr(lastPos, pos - lastPos);
|
|
std::string preGenex;
|
|
if (!part.empty()) {
|
|
std::string::size_type startPos = input.rfind(';', pos);
|
|
if (startPos == std::string::npos) {
|
|
preGenex = part;
|
|
part.clear();
|
|
} else if (startPos != pos - 1 && startPos >= lastPos) {
|
|
part = input.substr(lastPos, startPos - lastPos);
|
|
preGenex = input.substr(startPos + 1, pos - startPos - 1);
|
|
}
|
|
if (!part.empty()) {
|
|
cmSystemTools::ExpandListArgument(part, output);
|
|
}
|
|
}
|
|
pos += 2;
|
|
int nestingLevel = 1;
|
|
const char* c = input.c_str() + pos;
|
|
const char* const cStart = c;
|
|
for (; *c; ++c) {
|
|
if (c[0] == '$' && c[1] == '<') {
|
|
++nestingLevel;
|
|
++c;
|
|
continue;
|
|
}
|
|
if (c[0] == '>') {
|
|
--nestingLevel;
|
|
if (nestingLevel == 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
for (; *c; ++c) {
|
|
// Capture the part after the genex and before the next ';'
|
|
if (c[0] == ';') {
|
|
--c;
|
|
break;
|
|
}
|
|
}
|
|
const std::string::size_type traversed = (c - cStart) + 1;
|
|
output.push_back(preGenex + "$<" + input.substr(pos, traversed));
|
|
pos += traversed;
|
|
lastPos = pos;
|
|
}
|
|
if (lastPos < input.size()) {
|
|
cmSystemTools::ExpandListArgument(input.substr(lastPos), output);
|
|
}
|
|
}
|
|
|
|
std::string cmGeneratorExpression::Preprocess(const std::string& input,
|
|
PreprocessContext context,
|
|
bool resolveRelative)
|
|
{
|
|
if (context == StripAllGeneratorExpressions) {
|
|
return stripAllGeneratorExpressions(input);
|
|
}
|
|
if (context == BuildInterface || context == InstallInterface) {
|
|
return stripExportInterface(input, context, resolveRelative);
|
|
}
|
|
|
|
assert(false &&
|
|
"cmGeneratorExpression::Preprocess called with invalid args");
|
|
return std::string();
|
|
}
|
|
|
|
std::string::size_type cmGeneratorExpression::Find(const std::string& input)
|
|
{
|
|
const std::string::size_type openpos = input.find("$<");
|
|
if (openpos != std::string::npos &&
|
|
input.find('>', openpos) != std::string::npos) {
|
|
return openpos;
|
|
}
|
|
return std::string::npos;
|
|
}
|
|
|
|
bool cmGeneratorExpression::IsValidTargetName(const std::string& input)
|
|
{
|
|
// The ':' is supported to allow use with IMPORTED targets. At least
|
|
// Qt 4 and 5 IMPORTED targets use ':' as the namespace delimiter.
|
|
static cmsys::RegularExpression targetNameValidator("^[A-Za-z0-9_.:+-]+$");
|
|
|
|
return targetNameValidator.find(input);
|
|
}
|
|
|
|
void cmCompiledGeneratorExpression::GetMaxLanguageStandard(
|
|
const cmGeneratorTarget* tgt, std::map<std::string, std::string>& mapping)
|
|
{
|
|
typedef std::map<cmGeneratorTarget const*,
|
|
std::map<std::string, std::string>>
|
|
MapType;
|
|
MapType::const_iterator it = this->MaxLanguageStandard.find(tgt);
|
|
if (it != this->MaxLanguageStandard.end()) {
|
|
mapping = it->second;
|
|
}
|
|
}
|
|
|
|
const char* cmGeneratorExpressionInterpreter::Evaluate(
|
|
const char* expression, const std::string& property)
|
|
{
|
|
if (this->Target.empty()) {
|
|
return this->EvaluateExpression(expression);
|
|
}
|
|
|
|
// Specify COMPILE_OPTIONS to DAGchecker, same semantic as COMPILE_FLAGS
|
|
cmGeneratorExpressionDAGChecker dagChecker(
|
|
this->Target, property == "COMPILE_FLAGS" ? "COMPILE_OPTIONS" : property,
|
|
nullptr, nullptr);
|
|
|
|
return this->EvaluateExpression(expression, &dagChecker);
|
|
}
|