Initial checkin of the LLVM Source-Level Debugger. This is incomplete, but

a good start.  The status is documented in docs/SourceLevelDebugging.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10687 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 88 insertions, 0 deletions

diff --git a/tools/llvm-db/llvm-db.cpp b/tools/llvm-db/llvm-db.cpp
new file mode 100644
index 0000000..124db2b
--- /dev/null
+++ b/tools/llvm-db/llvm-db.cpp
@@ -0,0 +1,88 @@
+//===- llvm-db.cpp - LLVM Debugger ----------------------------------------===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This utility implements a simple text-mode front-end to the LLVM debugger
+// library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CLIDebugger.h"
+#include "Support/CommandLine.h"
+#include <iostream>
+
+using namespace llvm;
+
+namespace {
+  // Command line options for specifying the program to debug and options to use
+  cl::opt<std::string>
+  InputFile(cl::desc("<program>"), cl::Positional, cl::init(""));
+
+  cl::list<std::string>
+  InputArgs("args", cl::Positional, cl::desc("<program and arguments>"),
+            cl::ZeroOrMore);
+
+  // Command line options to control various directory related stuff
+  cl::list<std::string>
+  SourceDirectories("directory", cl::value_desc("directory"),
+                    cl::desc("Add directory to the search for source files"));
+  cl::alias SDA("d", cl::desc("Alias for --directory"),
+                cl::aliasopt(SourceDirectories));
+  
+  cl::opt<std::string>
+  WorkingDirectory("cd", cl::desc("Use directory as current working directory"),
+                   cl::value_desc("directory"));
+
+  // Command line options specific to the llvm-db debugger driver
+  cl::opt<bool> Version("version", cl::desc("Print version number and quit"));
+  cl::opt<bool> Quiet("quiet", cl::desc("Do not print introductory messages"));
+  cl::alias QA1("silent", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
+  cl::alias QA2("q", cl::desc("Alias for -quiet"), cl::aliasopt(Quiet));
+}
+
+//===----------------------------------------------------------------------===//
+// main Driver function
+//
+int main(int argc, char **argv, char * const *envp) {
+  cl::ParseCommandLineOptions(argc, argv,
+                              " llvm source-level debugger\n");
+
+  if (Version || !Quiet) {
+    std::cout << "llvm-db: The LLVM source-level debugger\n";
+    if (Version) return 1;
+  }
+
+  // Merge Inputfile and InputArgs into the InputArgs list...
+  if (!InputFile.empty() && InputArgs.empty())
+    InputArgs.push_back(InputFile);
+
+  // Create the CLI debugger...
+  CLIDebugger D;
+
+  // Initialize the debugger with the command line options we read...
+  Debugger &Dbg = D.getDebugger();
+
+  // Initialize the debugger environment.
+  Dbg.initializeEnvironment(envp);
+  Dbg.setWorkingDirectory(WorkingDirectory);
+  for (unsigned i = 0, e = SourceDirectories.size(); i != e; ++i)
+    D.addSourceDirectory(SourceDirectories[i]);
+  
+  if (!InputArgs.empty()) {
+    try {
+      D.fileCommand(InputArgs[0]);
+    } catch (const std::string &Error) {
+      std::cout << "Error: " << Error << "\n";
+    }
+
+    Dbg.setProgramArguments(InputArgs.begin()+1, InputArgs.end());
+  }
+
+  // Now that we have initialized the debugger, run it.
+  return D.run();
+}