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fe42ac4d0a
the SBType implementation classes.
Fixed LLDB core and the test suite to not use deprecated SBValue APIs.
Added a few new APIs to SBValue:
int64_t
SBValue::GetValueAsSigned(int64_t fail_value=0);
uint64_t
SBValue::GetValueAsUnsigned(uint64_t fail_value=0)
llvm-svn: 136829
283 lines
8.3 KiB
C++
283 lines
8.3 KiB
C++
//===-- SWIG Interface for SBValue ------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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namespace lldb {
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%feature("docstring",
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"Represents the value of a variable, a register, or an expression.
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SBValue supports iteration through its child, which in turn is represented
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as an SBValue. For example, we can get the general purpose registers of a
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frame as an SBValue, and iterate through all the registers,
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registerSet = frame.GetRegisters() # Returns an SBValueList.
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for regs in registerSet:
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if 'general purpose registers' in regs.getName().lower():
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GPRs = regs
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break
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print '%s (number of children = %d):' % (GPRs.GetName(), GPRs.GetNumChildren())
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for reg in GPRs:
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print 'Name: ', reg.GetName(), ' Value: ', reg.GetValue()
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produces the output:
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General Purpose Registers (number of children = 21):
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Name: rax Value: 0x0000000100000c5c
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Name: rbx Value: 0x0000000000000000
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Name: rcx Value: 0x00007fff5fbffec0
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Name: rdx Value: 0x00007fff5fbffeb8
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Name: rdi Value: 0x0000000000000001
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Name: rsi Value: 0x00007fff5fbffea8
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Name: rbp Value: 0x00007fff5fbffe80
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Name: rsp Value: 0x00007fff5fbffe60
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Name: r8 Value: 0x0000000008668682
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Name: r9 Value: 0x0000000000000000
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Name: r10 Value: 0x0000000000001200
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Name: r11 Value: 0x0000000000000206
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Name: r12 Value: 0x0000000000000000
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Name: r13 Value: 0x0000000000000000
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Name: r14 Value: 0x0000000000000000
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Name: r15 Value: 0x0000000000000000
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Name: rip Value: 0x0000000100000dae
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Name: rflags Value: 0x0000000000000206
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Name: cs Value: 0x0000000000000027
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Name: fs Value: 0x0000000000000010
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Name: gs Value: 0x0000000000000048
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See also linked_list_iter() for another perspective on how to iterate through an
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SBValue instance which interprets the value object as representing the head of a
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linked list."
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) SBValue;
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class SBValue
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{
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public:
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SBValue ();
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SBValue (const SBValue &rhs);
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~SBValue ();
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bool
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IsValid() const;
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SBError
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GetError();
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lldb::user_id_t
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GetID ();
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const char *
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GetName();
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const char *
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GetTypeName ();
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size_t
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GetByteSize ();
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bool
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IsInScope ();
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lldb::Format
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GetFormat () const;
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void
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SetFormat (lldb::Format format);
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const char *
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GetValue ();
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int64_t
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GetValueAsSigned(int64_t fail_value=0);
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uint64_t
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GetValueAsUnsigned(uint64_t fail_value=0);
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ValueType
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GetValueType ();
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bool
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GetValueDidChange ();
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const char *
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GetSummary ();
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const char *
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GetObjectDescription ();
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const char *
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GetLocation ();
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bool
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SetValueFromCString (const char *value_str);
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lldb::SBValue
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GetChildAtIndex (uint32_t idx);
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%feature("docstring", "
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//------------------------------------------------------------------
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/// Get a child value by index from a value.
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///
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/// Structs, unions, classes, arrays and and pointers have child
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/// values that can be access by index.
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///
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/// Structs and unions access child members using a zero based index
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/// for each child member. For
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///
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/// Classes reserve the first indexes for base classes that have
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/// members (empty base classes are omitted), and all members of the
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/// current class will then follow the base classes.
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///
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/// Pointers differ depending on what they point to. If the pointer
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/// points to a simple type, the child at index zero
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/// is the only child value available, unless \a synthetic_allowed
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/// is \b true, in which case the pointer will be used as an array
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/// and can create 'synthetic' child values using positive or
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/// negative indexes. If the pointer points to an aggregate type
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/// (an array, class, union, struct), then the pointee is
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/// transparently skipped and any children are going to be the indexes
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/// of the child values within the aggregate type. For example if
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/// we have a 'Point' type and we have a SBValue that contains a
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/// pointer to a 'Point' type, then the child at index zero will be
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/// the 'x' member, and the child at index 1 will be the 'y' member
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/// (the child at index zero won't be a 'Point' instance).
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///
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/// Arrays have a preset number of children that can be accessed by
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/// index and will returns invalid child values for indexes that are
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/// out of bounds unless the \a synthetic_allowed is \b true. In this
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/// case the array can create 'synthetic' child values for indexes
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/// that aren't in the array bounds using positive or negative
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/// indexes.
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///
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/// @param[in] idx
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/// The index of the child value to get
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///
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/// @param[in] use_dynamic
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/// An enumeration that specifies wether to get dynamic values,
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/// and also if the target can be run to figure out the dynamic
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/// type of the child value.
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///
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/// @param[in] synthetic_allowed
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/// If \b true, then allow child values to be created by index
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/// for pointers and arrays for indexes that normally wouldn't
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/// be allowed.
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///
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/// @return
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/// A new SBValue object that represents the child member value.
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//------------------------------------------------------------------
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") GetChildAtIndex;
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lldb::SBValue
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GetChildAtIndex (uint32_t idx,
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lldb::DynamicValueType use_dynamic,
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bool can_create_synthetic);
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lldb::SBValue
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CreateChildAtOffset (const char *name, uint32_t offset, const SBType& type);
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lldb::SBValue
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SBValue::Cast(const SBType& type);
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lldb::SBValue
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CreateValueFromExpression (const char *name, const char* expression);
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lldb::SBValue
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CreateValueFromAddress(const char* name, lldb::addr_t address, const SBType& type);
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lldb::SBType
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GetType();
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%feature("docstring", "
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//------------------------------------------------------------------
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/// Returns the child member index.
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///
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/// Matches children of this object only and will match base classes and
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/// member names if this is a clang typed object.
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///
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/// @param[in] name
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/// The name of the child value to get
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///
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/// @return
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/// An index to the child member value.
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//------------------------------------------------------------------
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") GetIndexOfChildWithName;
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uint32_t
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GetIndexOfChildWithName (const char *name);
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lldb::SBValue
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GetChildMemberWithName (const char *name);
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%feature("docstring", "
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//------------------------------------------------------------------
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/// Returns the child member value.
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///
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/// Matches child members of this object and child members of any base
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/// classes.
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///
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/// @param[in] name
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/// The name of the child value to get
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///
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/// @param[in] use_dynamic
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/// An enumeration that specifies wether to get dynamic values,
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/// and also if the target can be run to figure out the dynamic
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/// type of the child value.
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///
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/// @return
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/// A new SBValue object that represents the child member value.
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//------------------------------------------------------------------
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") GetChildMemberWithName;
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lldb::SBValue
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GetChildMemberWithName (const char *name, lldb::DynamicValueType use_dynamic);
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%feature("docstring", "Expands nested expressions like .a->b[0].c[1]->d."
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) GetValueForExpressionPath;
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lldb::SBValue
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GetValueForExpressionPath(const char* expr_path);
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uint32_t
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GetNumChildren ();
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void *
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GetOpaqueType();
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lldb::SBValue
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Dereference ();
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lldb::SBValue
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AddressOf();
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bool
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TypeIsPointerType ();
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lldb::SBTarget
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GetTarget();
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lldb::SBProcess
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GetProcess();
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lldb::SBThread
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GetThread();
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lldb::SBFrame
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GetFrame();
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bool
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GetDescription (lldb::SBStream &description);
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bool
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GetExpressionPath (lldb::SBStream &description);
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%feature("docstring", "Returns an expression path for this value."
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) GetValueForExpressionPath;
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bool
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GetExpressionPath (lldb::SBStream &description, bool qualify_cxx_base_classes);
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};
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} // namespace lldb
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