Merge pull request #1848 from jimingham/file-and-line-option

Add an option (-y) to "break set" and "source list" that uses the same

Author: jimingham

lldb/include/lldb/Interpreter/OptionValue.h

@@ -31,6 +31,7 @@ class OptionValue {
     eTypeChar,
     eTypeDictionary,
     eTypeEnum,
+    eTypeFileLineColumn,
     eTypeFileSpec,
     eTypeFileSpecList,
     eTypeFormat,
@@ -135,6 +136,8 @@ class OptionValue {
       return eTypeDictionary;
     case 1u << eTypeEnum:
       return eTypeEnum;
+    case 1u << eTypeFileLineColumn:
+      return eTypeFileLineColumn;
     case 1u << eTypeFileSpec:
       return eTypeFileSpec;
     case 1u << eTypeFileSpecList:

lldb/include/lldb/Interpreter/OptionValueFileColonLine.h

@@ -0,0 +1,64 @@
+//===-- OptionValueFileColonLine.h -----------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_INTERPRETER_OPTIONVALUEFILECOLONLINE_H
+#define LLDB_INTERPRETER_OPTIONVALUEFILECOLONLINE_H
+
+#include "lldb/Interpreter/OptionValue.h"
+
+#include "lldb/Utility/FileSpec.h"
+#include "llvm/Support/Chrono.h"
+
+namespace lldb_private {
+
+class OptionValueFileColonLine : public OptionValue {
+public:
+  OptionValueFileColonLine();
+  OptionValueFileColonLine(const llvm::StringRef input);
+
+  ~OptionValueFileColonLine() override {}
+
+  OptionValue::Type GetType() const override { return eTypeFileLineColumn; }
+
+  void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
+                 uint32_t dump_mask) override;
+
+  Status
+  SetValueFromString(llvm::StringRef value,
+                     VarSetOperationType op = eVarSetOperationAssign) override;
+  Status
+  SetValueFromString(const char *,
+                     VarSetOperationType = eVarSetOperationAssign) = delete;
+
+  bool Clear() override {
+    m_file_spec.Clear();
+    m_line_number = LLDB_INVALID_LINE_NUMBER;
+    m_column_number = 0;
+  }
+
+  lldb::OptionValueSP DeepCopy() const override;
+
+  void AutoComplete(CommandInterpreter &interpreter,
+                    CompletionRequest &request) override;
+
+  FileSpec &GetFileSpec() { return m_file_spec; }
+  uint32_t GetLineNumber() { return m_line_number; }
+  uint32_t GetColumnNumber() { return m_column_number; }
+  
+  void SetCompletionMask(uint32_t mask) { m_completion_mask = mask; }
+
+protected:
+  FileSpec m_file_spec;
+  uint32_t m_line_number;
+  uint32_t m_column_number;
+  uint32_t m_completion_mask;
+};
+
+} // namespace lldb_private
+
+#endif // LLDB_INTERPRETER_OPTIONVALUEFILECOLONLINE_H

lldb/include/lldb/Interpreter/OptionValues.h

@@ -17,6 +17,7 @@
 #include "lldb/Interpreter/OptionValueChar.h"
 #include "lldb/Interpreter/OptionValueDictionary.h"
 #include "lldb/Interpreter/OptionValueEnumeration.h"
+#include "lldb/Interpreter/OptionValueFileColonLine.h"
 #include "lldb/Interpreter/OptionValueFileSpec.h"
 #include "lldb/Interpreter/OptionValueFileSpecList.h"
 #include "lldb/Interpreter/OptionValueFormat.h"

lldb/include/lldb/lldb-defines.h

@@ -95,6 +95,7 @@
 #define LLDB_INVALID_SIGNAL_NUMBER INT32_MAX
 #define LLDB_INVALID_OFFSET UINT64_MAX // Must match max of lldb::offset_t
 #define LLDB_INVALID_LINE_NUMBER UINT32_MAX
+#define LLDB_INVALID_COLUMN_NUMBER 0
 #define LLDB_INVALID_QUEUE_ID 0
 
 /// CPU Type definitions
@@ -119,6 +120,7 @@
 #define LLDB_OPT_SET_9 (1U << 8)
 #define LLDB_OPT_SET_10 (1U << 9)
 #define LLDB_OPT_SET_11 (1U << 10)
+#define LLDB_OPT_SET_12 (1U << 11)
 #define LLDB_OPT_SET_FROM_TO(A, B)                                             \
   (((1U << (B)) - 1) ^ (((1U << (A)) - 1) >> 1))
 

lldb/include/lldb/lldb-enumerations.h

@@ -529,6 +529,7 @@ enum CommandArgumentType {
   eArgTypeExpression,
   eArgTypeExpressionPath,
   eArgTypeExprFormat,
+  eArgTypeFileLineColumn,
   eArgTypeFilename,
   eArgTypeFormat,
   eArgTypeFrameIndex,

lldb/packages/Python/lldbsuite/test/lldbutil.py

@@ -539,6 +539,29 @@ def run_break_set_by_source_regexp(
 
     return get_bpno_from_match(break_results)
 
+def run_break_set_by_file_colon_line(
+        test,
+        specifier,
+        path,
+        line_number,
+        column_number = 0,
+        extra_options=None,
+        num_expected_locations=-1):
+    command = 'breakpoint set -y "%s"'%(specifier)
+    if extra_options:
+        command += " " + extra_options
+
+    print("About to run: '%s'", command)
+    break_results = run_break_set_command(test, command)
+    check_breakpoint_result(
+        test,
+        break_results,
+        num_locations = num_expected_locations,
+        file_name = path,
+        line_number = line_number,
+        column_number = column_number)
+    
+    return get_bpno_from_match(break_results)
 
 def run_break_set_command(test, command):
     """Run the command passed in - it must be some break set variant - and analyze the result.
@@ -552,6 +575,7 @@ def run_break_set_command(test, command):
     If there is only one location, the dictionary MAY contain:
         file          - source file name
         line_no       - source line number
+        column        - source column number
         symbol        - symbol name
         inline_symbol - inlined symbol name
         offset        - offset from the original symbol
@@ -603,6 +627,7 @@ def check_breakpoint_result(
         break_results,
         file_name=None,
         line_number=-1,
+        column_number=0,
         symbol_name=None,
         symbol_match_exact=True,
         module_name=None,
@@ -642,6 +667,17 @@ def check_breakpoint_result(
             (line_number,
              out_line_number))
 
+    if column_number != 0:
+        out_column_number = 0
+        if 'column' in break_results:
+            out_column_number = break_results['column']
+
+        test.assertTrue(
+            column_number == out_column_number,
+            "Breakpoint column number %s doesn't match resultant column %s." %
+            (column_number,
+             out_column_number))
+
     if symbol_name:
         out_symbol_name = ""
         # Look first for the inlined symbol name, otherwise use the symbol

lldb/source/Commands/CommandObjectBreakpoint.cpp

@@ -17,6 +17,7 @@
 #include "lldb/Interpreter/OptionArgParser.h"
 #include "lldb/Interpreter/OptionGroupPythonClassWithDict.h"
 #include "lldb/Interpreter/OptionValueBoolean.h"
+#include "lldb/Interpreter/OptionValueFileColonLine.h"
 #include "lldb/Interpreter/OptionValueString.h"
 #include "lldb/Interpreter/OptionValueUInt64.h"
 #include "lldb/Interpreter/Options.h"
@@ -443,7 +444,22 @@ class CommandObjectBreakpointSet : public CommandObjectParsed {
       case 'X':
         m_source_regex_func_names.insert(std::string(option_arg));
         break;
-
+        
+      case 'y':
+      {
+        OptionValueFileColonLine value;
+        Status fcl_err = value.SetValueFromString(option_arg);
+        if (!fcl_err.Success()) {
+          error.SetErrorStringWithFormat(
+              "Invalid value for file:line specifier: %s",
+              fcl_err.AsCString());
+        } else {
+          m_filenames.AppendIfUnique(value.GetFileSpec());
+          m_line_num = value.GetLineNumber();
+          m_column = value.GetColumnNumber();
+        }
+      } break;
+      
       default:
         llvm_unreachable("Unimplemented option");
       }

lldb/source/Commands/CommandObjectSource.cpp

@@ -16,6 +16,7 @@
 #include "lldb/Host/OptionParser.h"
 #include "lldb/Interpreter/CommandReturnObject.h"
 #include "lldb/Interpreter/OptionArgParser.h"
+#include "lldb/Interpreter/OptionValueFileColonLine.h"
 #include "lldb/Interpreter/Options.h"
 #include "lldb/Symbol/CompileUnit.h"
 #include "lldb/Symbol/Function.h"
@@ -667,6 +668,22 @@ class CommandObjectSourceList : public CommandObjectParsed {
       case 'r':
         reverse = true;
         break;
+      case 'y':
+      {
+        OptionValueFileColonLine value;
+        Status fcl_err = value.SetValueFromString(option_arg);
+        if (!fcl_err.Success()) {
+          error.SetErrorStringWithFormat(
+              "Invalid value for file:line specifier: %s",
+              fcl_err.AsCString());
+        } else {
+          file_name = value.GetFileSpec().GetPath();
+          start_line = value.GetLineNumber();
+          // I don't see anything useful to do with a column number, but I don't
+          // want to complain since someone may well have cut and pasted a
+          // listing from somewhere that included a column.
+        }
+      } break;
       default:
         llvm_unreachable("Unimplemented option");
       }

lldb/source/Commands/Options.td

@@ -105,7 +105,7 @@ let Command = "breakpoint dummy" in {
 
 let Command = "breakpoint set" in {
   def breakpoint_set_shlib : Option<"shlib", "s">, Arg<"ShlibName">,
-    Completion<"Module">, Groups<[1,2,3,4,5,6,7,8,9,11]>, // *not* in group 10
+    Completion<"Module">, Groups<[1,2,3,4,5,6,7,8,9,11,12]>, // *not* in group 10
     Desc<"Set the breakpoint only in this shared library.  Can repeat this "
     "option multiple times to specify multiple shared libraries.">;
   def breakpoint_set_hardware : Option<"hardware", "H">,
@@ -186,21 +186,24 @@ let Command = "breakpoint set" in {
     "expression (note: currently only implemented for setting breakpoints on "
     "identifiers). If not set the target.language setting is used.">;
   def breakpoint_set_skip_prologue : Option<"skip-prologue", "K">,
-    Arg<"Boolean">, Groups<[1,3,4,5,6,7,8]>,
+    Arg<"Boolean">, Groups<[1,3,4,5,6,7,8,12]>,
     Desc<"sKip the prologue if the breakpoint is at the beginning of a "
     "function. If not set the target.skip-prologue setting is used.">;
   def breakpoint_set_breakpoint_name : Option<"breakpoint-name", "N">,
     Arg<"BreakpointName">,
     Desc<"Adds this to the list of names for this breakpoint.">;
   def breakpoint_set_address_slide : Option<"address-slide", "R">,
-    Arg<"Address">, Groups<[1,3,4,5,6,7,8]>,
+    Arg<"Address">, Groups<[1,3,4,5,6,7,8,12]>,
     Desc<"Add the specified offset to whatever address(es) the breakpoint "
     "resolves to. At present this applies the offset directly as given, and "
     "doesn't try to align it to instruction boundaries.">;
   def breakpoint_set_move_to_nearest_code : Option<"move-to-nearest-code", "m">,
-    Groups<[1, 9]>, Arg<"Boolean">,
+    Groups<[1,9,12]>, Arg<"Boolean">,
     Desc<"Move breakpoints to nearest code. If not set the "
     "target.move-to-nearest-codesetting is used.">;
+  def breakpoint_set_file_colon_line : Option<"joint-specifier", "y">, Group<12>, Arg<"FileLineColumn">,
+    Required, Completion<"SourceFile">, 
+    Desc<"A specifier in the form filename:line[:column] for setting file & line breakpoints.">;  
   /* Don't add this option till it actually does something useful...
   def breakpoint_set_exception_typename : Option<"exception-typename", "O">,
     Arg<"TypeName">, Desc<"The breakpoint will only stop if an "
@@ -737,7 +740,7 @@ let Command = "source info" in {
 let Command = "source list" in {
   def source_list_count : Option<"count", "c">, Arg<"Count">,
     Desc<"The number of source lines to display.">;
-  def source_list_shlib : Option<"shlib", "s">, Groups<[1,2]>, Arg<"ShlibName">,
+  def source_list_shlib : Option<"shlib", "s">, Groups<[1,2,5]>, Arg<"ShlibName">,
     Completion<"Module">,
     Desc<"Look up the source file in the given shared library.">;
   def source_list_show_breakpoints : Option<"show-breakpoints", "b">,
@@ -755,6 +758,10 @@ let Command = "source list" in {
     " information for the corresponding file and line.">;
   def source_list_reverse : Option<"reverse", "r">, Group<4>, Desc<"Reverse the"
     " listing to look backwards from the last displayed block of source.">;
+  def source_list_file_colon_line : Option<"joint-specifier", "y">, Group<5>,
+    Arg<"FileLineColumn">, Completion<"SourceFile">, 
+    Desc<"A specifier in the form filename:line[:column] from which to display"
+         " source.">;
 }
 
 let Command = "target dependents" in {

lldb/source/Interpreter/CMakeLists.txt

@@ -35,6 +35,7 @@ add_lldb_library(lldbInterpreter
   OptionValueChar.cpp
   OptionValueDictionary.cpp
   OptionValueEnumeration.cpp
+  OptionValueFileColonLine.cpp
   OptionValueFileSpec.cpp
   OptionValueFileSpecList.cpp
   OptionValueFormat.cpp