Now that it works, make it nice.

runtime/vm/debugger.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/debugger.h"
 
 #include "vm/code_index_table.h"
 #include "vm/code_generator.h"
 #include "vm/code_patcher.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/flags.h"
 #include "vm/globals.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/os.h"
 #include "vm/stack_frame.h"
 #include "vm/stub_code.h"
 #include "vm/visitor.h"
 
 
 namespace dart {
 
-static const bool verbose = true;
+static const bool verbose = false;
 
 
 SourceBreakpoint::SourceBreakpoint(const Function& func, intptr_t token_index)
     : function_(func.raw()),
       token_index_(token_index),
       line_number_(-1),
       is_enabled_(false),
       next_(NULL) {
   ASSERT(!func.IsNull());
   ASSERT((func.token_index() <= token_index_) &&
@@ skipping 499 matching lines @@
 
 
 CodeBreakpoint* Debugger::MakeCodeBreakpoint(const Function& func,
                                              intptr_t token_index) {
   ASSERT(func.HasCode());
   ASSERT(!func.HasOptimizedCode());
   Code& code = Code::Handle(func.unoptimized_code());
   ASSERT(!code.IsNull());
   PcDescriptors& desc = PcDescriptors::Handle(code.pc_descriptors());
   intptr_t best_fit_index = -1;
-  // TODO(hausner): find a symbolic value that works on all platforms.
-  intptr_t best_fit = 0x7fffffff;
+  intptr_t best_fit = INT_MAX;
   for (int i = 0; i < desc.Length(); i++) {
     intptr_t desc_token_index = desc.TokenIndex(i);
     if (desc_token_index < token_index) {
       continue;
     }
     PcDescriptors::Kind kind = desc.DescriptorKind(i);
     if ((kind == PcDescriptors::kIcCall) ||
         (kind == PcDescriptors::kFuncCall) ||
         (kind == PcDescriptors::kReturn)) {
       if ((desc_token_index - token_index) < best_fit) {
@@ skipping 494 matching lines @@
 }
 
 
 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) {
   ASSERT(bpt->next() == NULL);
   bpt->set_next(code_breakpoints_);
   code_breakpoints_ = bpt;
 }
 
 }  // namespace dart