6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-09-30 04:56:49 +00:00
Code Issues Projects Releases Wiki Activity

convert 'Value' to StringRef which makes it easier to

Browse Source 
maintain the "null is unspecified, empty is empty" semantics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82351 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-09-20 01:53:12 +00:00
parent 341620b276
commit 4e247ec495
1 changed files with 8 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
lib/Support/CommandLine.cpp
View File

@ -151,7 +151,7 @@ static void GetOptionInfo(std::vector<Option*> &PositionalOpts,
/// LookupOption - Lookup the option specified by the specified option on the
/// command line. If there is a value specified (after an equal sign) return
/// that as well.
static Option *LookupOption(const char *&Arg, const char *&Value,
static Option *LookupOption(const char *&Arg, StringRef &Value,
StringMap<Option*> &OptionsMap) {
while (*Arg == '-') ++Arg; // Eat leading dashes
@ -159,9 +159,9 @@ static Option *LookupOption(const char *&Arg, const char *&Value,
while (*ArgEnd && *ArgEnd != '=')
++ArgEnd; // Scan till end of argument name.
if (*ArgEnd == '=') // If we have an equals sign...
Value = ArgEnd+1; // Get the value, not the equals
// If we have an equals sign, remember the value.
if (*ArgEnd == '=')
Value = ArgEnd+1;
if (*Arg == 0) return 0;
@ -485,7 +485,7 @@ void cl::ParseCommandLineOptions(int argc, char **argv,
bool DashDashFound = false; // Have we read '--'?
for (int i = 1; i < argc; ++i) {
Option *Handler = 0;
const char *Value = 0;
StringRef Value;
const char *ArgName = "";
// If the option list changed, this means that some command line
@ -606,7 +606,7 @@ void cl::ParseCommandLineOptions(int argc, char **argv,
// Check to see if this option accepts a comma separated list of values. If
// it does, we have to split up the value into multiple values.
if (Value && Handler->getMiscFlags() & CommaSeparated) {
if (Handler->getMiscFlags() & CommaSeparated) {
StringRef Val(Value);
StringRef::size_type Pos = Val.find(',');
@ -616,7 +616,7 @@ void cl::ParseCommandLineOptions(int argc, char **argv,
argc, argv, i);
// Erase the portion before the comma, AND the comma.
Val = Val.substr(Pos+1);
Value += Pos+1; // Increment the original value pointer as well.
Value.substr(Pos+1); // Increment the original value pointer as well.
// Check for another comma.
Pos = Val.find(',');
@ -627,12 +627,8 @@ void cl::ParseCommandLineOptions(int argc, char **argv,
// active one...
if (Handler->getFormattingFlag() == cl::Positional)
ActivePositionalArg = Handler;
else if (Value)
ErrorParsing |= ProvideOption(Handler, ArgName, Value, argc, argv, i);
else
ErrorParsing |= ProvideOption(Handler, ArgName, StringRef(),
argc, argv, i);
ErrorParsing |= ProvideOption(Handler, ArgName, Value, argc, argv, i);
}
// Check and handle positional arguments now...