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cmFileCommand: Use cm::optional for keyword argument presence

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This commit is contained in:
Brad King
2022-07-05 16:56:06 -04:00
parent 2586afa31b
commit bff468c988
5 changed files with 74 additions and 88 deletions
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Source/cmFileCommand.cxx
+62 -84
View File
@@ -1254,7 +1254,7 @@ bool HandleRealPathCommand(std::vector<std::string> const& args,
struct Arguments
{
std::string BaseDirectory;
cm::optional<std::string> BaseDirectory;
bool ExpandTilde = false;
};
static auto const parser =
@@ -1264,10 +1264,8 @@ bool HandleRealPathCommand(std::vector<std::string> const& args,
std::vector<std::string> unparsedArguments;
std::vector<cm::string_view> keywordsMissingValue;
std::vector<cm::string_view> parsedKeywords;
auto arguments =
parser.Parse(cmMakeRange(args).advance(3), &unparsedArguments,
&keywordsMissingValue, &parsedKeywords);
auto arguments = parser.Parse(cmMakeRange(args).advance(3),
&unparsedArguments, &keywordsMissingValue);
if (!unparsedArguments.empty()) {
status.SetError("REAL_PATH called with unexpected arguments");
@@ -1278,7 +1276,7 @@ bool HandleRealPathCommand(std::vector<std::string> const& args,
return false;
}
if (parsedKeywords.empty()) {
if (!arguments.BaseDirectory) {
arguments.BaseDirectory = status.GetMakefile().GetCurrentSourceDirectory();
}
@@ -1297,7 +1295,7 @@ bool HandleRealPathCommand(std::vector<std::string> const& args,
}
cmCMakePath path(input, cmCMakePath::auto_format);
path = path.Absolute(arguments.BaseDirectory).Normal();
path = path.Absolute(*arguments.BaseDirectory).Normal();
auto realPath = cmSystemTools::GetRealPath(path.GenericString());
status.GetMakefile().AddDefinition(args[2], realPath);
@@ -2499,12 +2497,12 @@ bool HandleGenerateCommand(std::vector<std::string> const& args,
struct Arguments
{
std::string Output;
std::string Input;
std::string Content;
std::string Condition;
std::string Target;
std::string NewLineStyle;
cm::optional<std::string> Output;
cm::optional<std::string> Input;
cm::optional<std::string> Content;
cm::optional<std::string> Condition;
cm::optional<std::string> Target;
cm::optional<std::string> NewLineStyle;
bool NoSourcePermissions = false;
bool UseSourcePermissions = false;
std::vector<std::string> FilePermissions;
@@ -2530,7 +2528,9 @@ bool HandleGenerateCommand(std::vector<std::string> const& args,
&keywordsMissingValues, &parsedKeywords);
if (!keywordsMissingValues.empty()) {
status.SetError("Incorrect arguments to GENERATE subcommand.");
status.SetError(
cmStrCat("GENERATE keywords missing values:\n ",
cmJoin(cmMakeRange(keywordsMissingValues), "\n ")));
return false;
}
@@ -2539,56 +2539,41 @@ bool HandleGenerateCommand(std::vector<std::string> const& args,
return false;
}
bool mandatoryOptionsSpecified = false;
if (parsedKeywords.size() > 1) {
const bool outputOprionSpecified = parsedKeywords[0] == "OUTPUT"_s;
const bool inputOrContentSpecified =
parsedKeywords[1] == "INPUT"_s || parsedKeywords[1] == "CONTENT"_s;
if (outputOprionSpecified && inputOrContentSpecified) {
mandatoryOptionsSpecified = true;
}
}
if (!mandatoryOptionsSpecified) {
status.SetError("Incorrect arguments to GENERATE subcommand.");
if (!arguments.Output || parsedKeywords[0] != "OUTPUT"_s) {
status.SetError("GENERATE requires OUTPUT as first option.");
return false;
}
std::string const& output = *arguments.Output;
const bool conditionOptionSpecified =
std::find(parsedKeywords.begin(), parsedKeywords.end(), "CONDITION"_s) !=
parsedKeywords.end();
if (conditionOptionSpecified && arguments.Condition.empty()) {
if (!arguments.Input && !arguments.Content) {
status.SetError("GENERATE requires INPUT or CONTENT option.");
return false;
}
const bool inputIsContent = parsedKeywords[1] == "CONTENT"_s;
if (!inputIsContent && parsedKeywords[1] == "INPUT") {
status.SetError("Unknown argument to GENERATE subcommand.");
}
std::string const& input =
inputIsContent ? *arguments.Content : *arguments.Input;
if (arguments.Condition && arguments.Condition->empty()) {
status.SetError("CONDITION of sub-command GENERATE must not be empty "
"if specified.");
return false;
}
std::string const& condition =
arguments.Condition ? *arguments.Condition : std::string();
const bool targetOptionSpecified =
std::find(parsedKeywords.begin(), parsedKeywords.end(), "TARGET"_s) !=
parsedKeywords.end();
if (targetOptionSpecified && arguments.Target.empty()) {
if (arguments.Target && arguments.Target->empty()) {
status.SetError("TARGET of sub-command GENERATE must not be empty "
"if specified.");
return false;
}
std::string const& target =
arguments.Target ? *arguments.Target : std::string();
const bool outputOptionSpecified =
std::find(parsedKeywords.begin(), parsedKeywords.end(), "OUTPUT"_s) !=
parsedKeywords.end();
if (outputOptionSpecified && parsedKeywords[0] != "OUTPUT"_s) {
status.SetError("Incorrect arguments to GENERATE subcommand.");
return false;
}
const bool inputIsContent = parsedKeywords[1] != "INPUT"_s;
if (inputIsContent && parsedKeywords[1] != "CONTENT"_s) {
status.SetError("Unknown argument to GENERATE subcommand.");
}
const bool newLineStyleSpecified =
std::find(parsedKeywords.begin(), parsedKeywords.end(),
"NEWLINE_STYLE"_s) != parsedKeywords.end();
cmNewLineStyle newLineStyle;
if (newLineStyleSpecified) {
if (arguments.NewLineStyle) {
std::string errorMessage;
if (!newLineStyle.ReadFromArguments(args, errorMessage)) {
status.SetError(cmStrCat("GENERATE ", errorMessage));
@@ -2596,11 +2581,6 @@ bool HandleGenerateCommand(std::vector<std::string> const& args,
}
}
std::string input = arguments.Input;
if (inputIsContent) {
input = arguments.Content;
}
if (arguments.NoSourcePermissions && arguments.UseSourcePermissions) {
status.SetError("given both NO_SOURCE_PERMISSIONS and "
"USE_SOURCE_PERMISSIONS. Only one option allowed.");
@@ -2658,8 +2638,7 @@ bool HandleGenerateCommand(std::vector<std::string> const& args,
}
}
AddEvaluationFile(input, arguments.Target, arguments.Output,
arguments.Condition, inputIsContent,
AddEvaluationFile(input, target, output, condition, inputIsContent,
newLineStyle.GetCharacters(), permissions, status);
return true;
}
@@ -3237,8 +3216,8 @@ bool HandleConfigureCommand(std::vector<std::string> const& args,
{
struct Arguments
{
std::string Output;
std::string Content;
cm::optional<std::string> Output;
cm::optional<std::string> Content;
bool EscapeQuotes = false;
bool AtOnly = false;
std::string NewlineStyle;
@@ -3253,11 +3232,10 @@ bool HandleConfigureCommand(std::vector<std::string> const& args,
.Bind("NEWLINE_STYLE"_s, &Arguments::NewlineStyle);
std::vector<std::string> unrecognizedArguments;
std::vector<cm::string_view> keywordsMissingArguments;
std::vector<cm::string_view> parsedKeywords;
std::vector<cm::string_view> keywordsMissingValues;
auto parsedArgs =
parser.Parse(cmMakeRange(args).advance(1), &unrecognizedArguments,
&keywordsMissingArguments, &parsedKeywords);
&keywordsMissingValues);
auto argIt = unrecognizedArguments.begin();
if (argIt != unrecognizedArguments.end()) {
@@ -3267,28 +3245,28 @@ bool HandleConfigureCommand(std::vector<std::string> const& args,
return false;
}
std::vector<cm::string_view> mandatoryOptions{ "OUTPUT"_s, "CONTENT"_s };
for (auto const& e : mandatoryOptions) {
const bool optionHasNoValue =
std::find(keywordsMissingArguments.begin(),
keywordsMissingArguments.end(),
e) != keywordsMissingArguments.end();
if (optionHasNoValue) {
status.SetError(cmStrCat("CONFIGURE ", e, " option needs a value."));
cmSystemTools::SetFatalErrorOccurred();
return false;
}
// Arguments that are allowed to be empty lists. Keep entries sorted!
static const std::vector<cm::string_view> LIST_ARGS = {
"NEWLINE_STYLE"_s, // Filter here so we can issue a custom error below.
};
auto kwbegin = keywordsMissingValues.cbegin();
auto kwend = cmRemoveMatching(keywordsMissingValues, LIST_ARGS);
if (kwend != kwbegin) {
status.SetError(cmStrCat("CONFIGURE keywords missing values:\n ",
cmJoin(cmMakeRange(kwbegin, kwend), "\n ")));
cmSystemTools::SetFatalErrorOccurred();
return false;
}
for (auto const& e : mandatoryOptions) {
const bool optionGiven =
std::find(parsedKeywords.begin(), parsedKeywords.end(), e) !=
parsedKeywords.end();
if (!optionGiven) {
status.SetError(cmStrCat("CONFIGURE ", e, " option is mandatory."));
cmSystemTools::SetFatalErrorOccurred();
return false;
}
if (!parsedArgs.Output) {
status.SetError("CONFIGURE OUTPUT option is mandatory.");
cmSystemTools::SetFatalErrorOccurred();
return false;
}
if (!parsedArgs.Content) {
status.SetError("CONFIGURE CONTENT option is mandatory.");
cmSystemTools::SetFatalErrorOccurred();
return false;
}
std::string errorMessage;
@@ -3300,7 +3278,7 @@ bool HandleConfigureCommand(std::vector<std::string> const& args,
// Check for generator expressions
std::string outputFile = cmSystemTools::CollapseFullPath(
parsedArgs.Output, status.GetMakefile().GetCurrentBinaryDirectory());
*parsedArgs.Output, status.GetMakefile().GetCurrentBinaryDirectory());
std::string::size_type pos = outputFile.find_first_of("<>");
if (pos != std::string::npos) {
@@ -3349,7 +3327,7 @@ bool HandleConfigureCommand(std::vector<std::string> const& args,
fout.SetCopyIfDifferent(true);
// copy input to output and expand variables from input at the same time
std::stringstream sin(parsedArgs.Content, std::ios::in);
std::stringstream sin(*parsedArgs.Content, std::ios::in);
std::string inLine;
std::string outLine;
bool hasNewLine = false;
Tests/RunCMake/File_Configure/BadArgContent-stderr.txt
+3 -1
View File
@@ -1,4 +1,6 @@
CMake Error at BadArgContent.cmake:[0-9]+ \(file\):
file CONFIGURE CONTENT option needs a value.
file CONFIGURE keywords missing values:
CONTENT
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)
Tests/RunCMake/File_Configure/BadArgOutput-stderr.txt
+3 -1
View File
@@ -1,4 +1,6 @@
CMake Error at BadArgOutput.cmake:[0-9]+ \(file\):
file CONFIGURE OUTPUT option needs a value.
file CONFIGURE keywords missing values:
OUTPUT
Call Stack \(most recent call first\):
CMakeLists.txt:3 \(include\)
Tests/RunCMake/File_Generate/EmptyCondition1-stderr.txt
+3 -1
View File
@@ -1,4 +1,6 @@
CMake Error at EmptyCondition1.cmake:2 \(file\):
file Incorrect arguments to GENERATE subcommand.
file GENERATE keywords missing values:
CONDITION
Call Stack \(most recent call first\):
CMakeLists.txt:[0-9]+ \(include\)
Tests/RunCMake/File_Generate/NewLineStyle-NoArg-stderr.txt
+3 -1
View File
@@ -1,4 +1,6 @@
CMake Error at NewLineStyle-NoArg.cmake:[0-9]+ \(file\):
file Incorrect arguments to GENERATE subcommand.
file GENERATE keywords missing values:
NEWLINE_STYLE
Call Stack \(most recent call first\):
CMakeLists.txt:[0-9]+ \(include\)