[lldb] Fix llvm::Optional summary provider

Differential Revision: https://reviews.llvm.org/D122041

[LLDB] Add formatters for PointerIntPair, PointerUnion

Also, add summaries for `SmallVector` and `ArrayRef`,
and fix the `StringRef` summary provider so it doesn't
ignore the `Length` field.

Differ

[LLDB] Add formatters for PointerIntPair, PointerUnion

Also, add summaries for `SmallVector` and `ArrayRef`,
and fix the `StringRef` summary provider so it doesn't
ignore the `Length` field.

Differential Revision: https://reviews.llvm.org/D117779

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[llvm][utils] Fix handling of llvm::None

[llvm][utils] Fix innocuous off by one in lldb formatters

num_children is "last_index" + 1, thus
num_children + 1 = "last_index" + 2

this worked anyway because the index of `$$dereference$$` wo

[llvm][utils] Fix innocuous off by one in lldb formatters

num_children is "last_index" + 1, thus
num_children + 1 = "last_index" + 2

this worked anyway because the index of `$$dereference$$` would work as long as
it was past the last index.

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[llvm][utils] Rename lldb dict variables to internal_dict

Most lldb scripts use `internal_dict`. Also, `dict` is a builtin constructor,
it's good habit to avoid using it as a variable name.

[llvm][utils] Support dereferencing llvm::Optional lldb formatter

Add deref support to `llvm::Optional` in `lldbDataFormatters.py`.

This creates a synthetic provider that adds dereference support,

[llvm][utils] Support dereferencing llvm::Optional lldb formatter

Add deref support to `llvm::Optional` in `lldbDataFormatters.py`.

This creates a synthetic provider that adds dereference support, but otherwise proxies all access to the underlying value.

With this change, an optional value can be displayed by running `v *someOptional`, and its contents can be accessed with the arrow `operator->`, for example `v someOpt->HasThing`. This matches expressions usable from expression evaluation.

See also D97165 and D97524.

Differential Revision: https://reviews.llvm.org/D97525

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Bring llvm::Optional data formatter back in sync with the implementation.

Fix a null dereference in the LLDB data formatters.

Add LLDB dataformatters for llvm::StringRef and lldb_private::ConstString

These data formatters make the string value appear in Xcode's
variables view (and on the command line) without having to exp

Add LLDB dataformatters for llvm::StringRef and lldb_private::ConstString

These data formatters make the string value appear in Xcode's
variables view (and on the command line) without having to expand the
data structure.

Differential Revision: https://reviews.llvm.org/D66354

llvm-svn: 369175

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[utils] Add a lldb data formatter for llvm::SmallString.

Result:

(lldb) p val
(llvm::SmallString<32>) $31 = "patatino"

llvm-svn: 359157

[utils] Update SmallVector lldb formatter for r337514

SmallVector was changed to store a begin and a size rather than a
begin and an end a while back. Update the formatter to look at the
correct mem

[utils] Update SmallVector lldb formatter for r337514

SmallVector was changed to store a begin and a size rather than a
begin and an end a while back. Update the formatter to look at the
correct members.

llvm-svn: 346252

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[utils] Fix the llvm::Optional data formatter

The llvm::Optional data formatter needs to look through the `Storage`
container if it's present.

Before:

220    if (Op && Op->getOp() != dwarf::DW_

[utils] Fix the llvm::Optional data formatter

The llvm::Optional data formatter needs to look through the `Storage`
container if it's present.

Before:

220    if (Op && Op->getOp() != dwarf::DW_OP_LLVM_fragment)
-> 221      HasComplexExpression = true;
   222
   223    // If the register can only be described by a complex expression (i.e.,
   224    // multiple subregisters) it doesn't safely compose with another complex
Target 0: (llc) stopped.
(lldb) p Op
(llvm::Optional<llvm::DIExpression::ExprOperand>) $0 = None

After:

(lldb) p Op
(llvm::Optional<llvm::DIExpression::ExprOperand>) $0 =
(llvm::DIExpression::ExprOperand) storage = {
Op = 0x000000010603d460
}

llvm-svn: 337752

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utils: Teach lldbDataFormatters about llvm::Optional

llvm-svn: 229956

utils: Teach lldbDataFormatters how to format ArrayRefs

llvm-svn: 217567

utils: Teach lldbDataFormatters to load automatically

Add an __lldb_init_module function so that importing the
lldbDataFormatters script automatically adds the formatters.

llvm-svn: 209712

Simplify the SmallVector pretty printer for LLDB a bit and make it work with reference types.

llvm-svn: 167674

Add an LLDB data formatter script for llvm::SmallVector, maybe this is helpful to someone else.

This lets lldb give sane output for SmallVectors, e.g.
Before:
(lldb) p sv
(llvm::SmallVector<int, 10>

Add an LLDB data formatter script for llvm::SmallVector, maybe this is helpful to someone else.

This lets lldb give sane output for SmallVectors, e.g.
Before:
(lldb) p sv
(llvm::SmallVector<int, 10>) $0 = {
(llvm::SmallVectorImpl<int>) llvm::SmallVectorImpl<int> = {
(llvm::SmallVectorTemplateBase<int>) llvm::SmallVectorTemplateBase<int> = {
(llvm::SmallVectorTemplateCommon<int>) llvm::SmallVectorTemplateCommon<int> = {
(llvm::SmallVectorBase) llvm::SmallVectorBase = {
(void *) BeginX = 0x00007fff5fbff960
...
}

After:
(lldb) p sv
(llvm::SmallVector<int, 10>) $0 = {
(int) [0] = 42
(int) [1] = 23
...
}

The script is still a bit rough so expect crashes for vectors of complex types.
Synthetic children are _not_ available in xcode 4.2, newer LLDBs should work though.

llvm-svn: 148308

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