[inspector] use BREAK_POSITION_ALIGNED for breakpoints

test/inspector/debugger/get-possible-breakpoints.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-print("Test for Debugger.getPossibleBreakpoints");
+print('Test for Debugger.getPossibleBreakpoints');
 
 Protocol.Runtime.enable();
 Protocol.Debugger.enable();
 
 InspectorTest.runTestSuite([
 
   function getPossibleBreakpointsInRange(next) {
-    var source = "function foo(){ return Promise.resolve(); }\nfunction boo(){ return Promise.resolve().then(() => 42); }\n\n";
+    var source = 'function foo(){ return Promise.resolve(); }\nfunction boo(){ return Promise.resolve().then(() => 42); }\n\n';
     var scriptId;
     compileScript(source)
       .then(id => scriptId = id)
-      .then(() => InspectorTest.log("Test start.scriptId != end.scriptId."))
-      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 0, scriptId: scriptId + "0" }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test not existing scriptId."))
-      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: "-1" }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test end < start."))
+      .then(() => InspectorTest.log('Test start.scriptId != end.scriptId.'))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 0, scriptId: scriptId + '0' }}))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test not existing scriptId.'))
+      .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: '-1' }}))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test end < start.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test empty range in first line."))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test empty range in first line.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 16, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test one character range in first line."))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test one character range in first line.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 17, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test empty range in not first line."))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test empty range in not first line.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 16, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test one character range in not first line."))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test one character range in not first line.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 17, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test end is undefined"))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test end is undefined'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test end.lineNumber > scripts.lineCount()"))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test end.lineNumber > scripts.lineCount()'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 5, columnNumber: 0, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test one string"))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test one string'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 0, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test end.columnNumber > end.line.length(), should be the same as previous."))
+      .then(message => dumpAllLocations(message, source))
+      .then(() => InspectorTest.log('Test end.columnNumber > end.line.length(), should be the same as previous.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 0, columnNumber: 256, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
+      .then(message => dumpAllLocations(message, source))
       .then(next);
   },
 
   function getPossibleBreakpointsInArrow(next) {
-    var source = "function foo() { return Promise.resolve().then(() => 239).then(() => 42).then(() => () => 42) }";
+    var source = 'function foo() { return Promise.resolve().then(() => 239).then(() => 42).then(() => () => 42) }';
     var scriptId;
     compileScript(source)
       .then(id => scriptId = id)
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
+      .then(message => dumpAllLocations(message, source))
       .then(next);
   },
 
   function arrowFunctionFirstLine(next) {
-    Protocol.Debugger.onPaused(message => {
-      InspectorTest.log("paused in " + message.params.callFrames[0].functionName);
-      InspectorTest.logMessage(message.params.callFrames[0].location);
-      Protocol.Debugger.resume();
-    });
+    Protocol.Debugger.onPaused(message => dumpBreakLocationInSourceAndResume(message, source));
 
     var source = `function foo1() { Promise.resolve().then(() => 42) }
 function foo2() { Promise.resolve().then(() => 42) }`;
     waitForPossibleBreakpoints(source, { lineNumber: 0, columnNumber: 0 }, { lineNumber: 1, columnNumber: 0 })
-      .then(InspectorTest.logMessage)
+      .then(message => dumpAllLocations(message, source))
       .then(setAllBreakpoints)
-      .then(() => Protocol.Runtime.evaluate({ expression: "foo1(); foo2()"}))
+      .then(() => Protocol.Runtime.evaluate({ expression: 'foo1(); foo2()'}))
       .then(next);
   },
 
   function arrowFunctionOnPause(next) {
-    function dumpAndResume(message) {
-      InspectorTest.log("paused in " + message.params.callFrames[0].functionName);
-      InspectorTest.logMessage(message.params.callFrames[0].location);
-      Protocol.Debugger.resume();
-    }
-
     var source = `debugger; function foo3() { Promise.resolve().then(() => 42) }
 function foo4() { Promise.resolve().then(() => 42) };\nfoo3();\nfoo4();`;
     waitForPossibleBreakpointsOnPause(source, { lineNumber: 0, columnNumber: 0 }, undefined, next)
-      .then(InspectorTest.logMessage)
+      .then(message => dumpAllLocations(message, source))
       .then(setAllBreakpoints)
-      .then(() => Protocol.Debugger.onPaused(dumpAndResume))
+      .then(() => Protocol.Debugger.onPaused(message => dumpBreakLocationInSourceAndResume(message, source)))
       .then(() => Protocol.Debugger.resume());
   },
 
   function getPossibleBreakpointsInRangeWithOffset(next) {
-    var source = "function foo(){ return Promise.resolve(); }\nfunction boo(){ return Promise.resolve().then(() => 42); }\n\n";
+    var source = 'function foo(){ return Promise.resolve(); }\nfunction boo(){ return Promise.resolve().then(() => 42); }\n\n';
     var scriptId;
-    compileScript(source, { name: "with-offset.js", line_offset: 1, column_offset: 1 })
+    compileScript(source, { name: 'with-offset.js', line_offset: 1, column_offset: 1 })
       .then(id => scriptId = id)
-      .then(() => InspectorTest.log("Test empty range in first line."))
+      .then(() => InspectorTest.log('Test empty range in first line.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 17, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 17, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test one character range in first line."))
+      .then(message => dumpAllLocations(message, source, 1, 1))
+      .then(() => InspectorTest.log('Test one character range in first line.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 17, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 18, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test empty range in not first line."))
+      .then(message => dumpAllLocations(message, source, 1, 1))
+      .then(() => InspectorTest.log('Test empty range in not first line.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 2, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 2, columnNumber: 16, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test one character range in not first line."))
+      .then(message => dumpAllLocations(message, source, 1, 1))
+      .then(() => InspectorTest.log('Test one character range in not first line.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 2, columnNumber: 16, scriptId: scriptId }, end: { lineNumber: 2, columnNumber: 17, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test end is undefined"))
+      .then(message => dumpAllLocations(message, source, 1, 1))
+      .then(() => InspectorTest.log('Test end is undefined'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test end.lineNumber > scripts.lineCount()"))
+      .then(message => dumpAllLocations(message, source, 1, 1))
+      .then(() => InspectorTest.log('Test end.lineNumber > scripts.lineCount()'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 0, columnNumber: 0, scriptId: scriptId }, end: { lineNumber: 5, columnNumber: 0, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test one string"))
+      .then(message => dumpAllLocations(message, source, 1, 1))
+      .then(() => InspectorTest.log('Test one string'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 1, scriptId: scriptId }, end: { lineNumber: 2, columnNumber: 0, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
-      .then(() => InspectorTest.log("Test end.columnNumber > end.line.length(), should be the same as previous."))
+      .then(message => dumpAllLocations(message, source, 1, 1))
+      .then(() => InspectorTest.log('Test end.columnNumber > end.line.length(), should be the same as previous.'))
       .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: { lineNumber: 1, columnNumber: 1, scriptId: scriptId }, end: { lineNumber: 1, columnNumber: 256, scriptId: scriptId }}))
-      .then(InspectorTest.logMessage)
+      .then(message => dumpAllLocations(message, source, 1, 1))
       .then(next);
   },
 
   function withOffset(next) {
-    Protocol.Debugger.onPaused(message => {
-      InspectorTest.log("paused in " + message.params.callFrames[0].functionName);
-      InspectorTest.logMessage(message.params.callFrames[0].location);
-      Protocol.Debugger.resume();
-    });
+    Protocol.Debugger.onPaused(message => dumpBreakLocationInSourceAndResume(message, source, 3, 18));
 
     var source = `function foo5() { Promise.resolve().then(() => 42) }
 function foo6() { Promise.resolve().then(() => 42) }`;
-    waitForPossibleBreakpoints(source, { lineNumber: 0, columnNumber: 0 }, undefined, { name: "with-offset.js", line_offset: 3, column_offset: 18 })
-      .then(InspectorTest.logMessage)
+    waitForPossibleBreakpoints(source, { lineNumber: 0, columnNumber: 0 }, undefined, { name: 'with-offset.js', line_offset: 3, column_offset: 18 })
+      .then(message => dumpAllLocations(message, source, 3, 18))
       .then(setAllBreakpoints)
-      .then(() => Protocol.Runtime.evaluate({ expression: "foo5(); foo6()"}))
+      .then(() => Protocol.Runtime.evaluate({ expression: 'foo5(); foo6()'}))
       .then(next);
   },
 
   function arrowFunctionReturn(next) {
-    waitForPossibleBreakpoints("() => 239\n", { lineNumber: 0, columnNumber: 0 })
-      .then(InspectorTest.logMessage)
-      .then(() => waitForPossibleBreakpoints("function foo() { function boo() { return 239 }  }\n", { lineNumber: 0, columnNumber: 0 }))
-      .then(InspectorTest.logMessage)
-      .then(() => waitForPossibleBreakpoints("() => { 239 }\n", { lineNumber: 0, columnNumber: 0 }))
-      .then(InspectorTest.logMessage)
-      // TODO(kozyatinskiy): lineNumber for return position should be 21 instead of 22.
-      .then(() => waitForPossibleBreakpoints("function foo() { 239 }\n", { lineNumber: 0, columnNumber: 0 }))
-      .then(InspectorTest.logMessage)
+    function checkSource(source, location) {
+      return waitForPossibleBreakpoints(source, location)
+        .then(message => dumpAllLocations(message, source));
+    }
+
+    checkSource('() => 239\n', { lineNumber: 0, columnNumber: 0 })
+      .then(() => checkSource('function foo() { function boo() { return 239 }  }\n', { lineNumber: 0, columnNumber: 0 }))
+      .then(() => checkSource('() => { 239 }\n', { lineNumber: 0, columnNumber: 0 }))
+      .then(() => checkSource('function foo() { 239 }\n', { lineNumber: 0, columnNumber: 0 }))
       // TODO(kozyatinskiy): lineNumber for return position should be only 9, not 8.
-      .then(() => waitForPossibleBreakpoints("() => 239", { lineNumber: 0, columnNumber: 0 }))
-      .then(InspectorTest.logMessage)
-      // TODO(kozyatinskiy): lineNumber for return position should be only 19, not 20.
-      .then(() => waitForPossibleBreakpoints("() => { return 239 }", { lineNumber: 0, columnNumber: 0 }))
-      .then(InspectorTest.logMessage)
-      .then(next)
+      .then(() => checkSource('() => 239', { lineNumber: 0, columnNumber: 0 }))
+      .then(() => checkSource('() => { return 239 }', { lineNumber: 0, columnNumber: 0 }))
+      .then(next);
+  },
+
+  function argumentsAsCalls(next) {
+    var source = 'function foo(){}\nfunction boo(){}\nfunction main(f1,f2){}\nmain(foo(), boo());\n';
+    waitForPossibleBreakpoints(source, { lineNumber: 0, columnNumber: 0 })
+      .then(message => dumpAllLocations(message, source))
+      .then(next);
   }
 ]);
 
 function compileScript(source, origin) {
   var promise = Protocol.Debugger.onceScriptParsed().then(message => message.params.scriptId);
-  if (!origin) origin = { name: "", line_offset: 0, column_offset: 0 };
+  if (!origin) origin = { name: '', line_offset: 0, column_offset: 0 };
   compileAndRunWithOrigin(source, origin.name, origin.line_offset, origin.column_offset, false);
   return promise;
 }
 
 function waitForPossibleBreakpoints(source, start, end, origin) {
   return compileScript(source, origin)
     .then(scriptId => { (start || {}).scriptId = scriptId; (end || {}).scriptId = scriptId })
     .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: start, end: end }));
 }
 
 function waitForPossibleBreakpointsOnPause(source, start, end, next) {
   var promise = Protocol.Debugger.oncePaused()
     .then(msg => { (start || {}).scriptId = msg.params.callFrames[0].location.scriptId; (end || {}).scriptId = msg.params.callFrames[0].location.scriptId })
     .then(() => Protocol.Debugger.getPossibleBreakpoints({ start: start, end: end }));
   Protocol.Runtime.evaluate({ expression: source }).then(next);
   return promise;
 }
 
 function setAllBreakpoints(message) {
   var promises = [];
   for (var location of message.result.locations)
-    promises.push(Protocol.Debugger.setBreakpoint({ location: location }).then(checkBreakpointAndDump));
+    promises.push(Protocol.Debugger.setBreakpoint({ location: location }).then(checkBreakpoint));
   return Promise.all(promises);
 }
 
-function checkBreakpointAndDump(message) {
+function checkBreakpoint(message) {
   if (message.error) {
-    InspectorTest.log("FAIL: error in setBreakpoint");
+    InspectorTest.log('FAIL: error in setBreakpoint');
     InspectorTest.logMessage(message);
     return;
   }
-  var id_data = message.result.breakpointId.split(":");
+  var id_data = message.result.breakpointId.split(':');
   if (parseInt(id_data[1]) !== message.result.actualLocation.lineNumber || parseInt(id_data[2]) !== message.result.actualLocation.columnNumber) {
-    InspectorTest.log("FAIL: possible breakpoint was resolved in another location");
+    InspectorTest.log('FAIL: possible breakpoint was resolved in another location');
+  }
+}
+
+function dumpAllLocations(message, source, lineOffset, columnOffset) {
+  if (message.error) {
     InspectorTest.logMessage(message);
+    return;
   }
-  InspectorTest.logMessage(message);
+
+  lineOffset = lineOffset || 0;
+  columnOffset = columnOffset || 0;
+
+  var sourceLines = source.split('\n')
+  var lineOffsets = Array(sourceLines.length).fill(0);
+  for (var location of message.result.locations) {
+    var lineNumber = location.lineNumber - lineOffset;
+    var columnNumber = lineNumber !== 0 ? location.columnNumber : location.columnNumber - columnOffset;
+    var line = sourceLines[lineNumber] || '';
+    var offset = lineOffsets[lineNumber];
+    line = line.slice(0, columnNumber + offset) + '#' + line.slice(columnNumber + offset);
+    ++lineOffsets[lineNumber];
+    sourceLines[lineNumber] = line;
+  }
+  InspectorTest.log(sourceLines.join('\n'));
+  return message;
 }
+
+function dumpBreakLocationInSourceAndResume(message, source, lineOffset, columnOffset) {
+  lineOffset = lineOffset || 0;
+  columnOffset = columnOffset || 0;
+
+  InspectorTest.log('paused in ' + message.params.callFrames[0].functionName);
+  var location = message.params.callFrames[0].location;
+  var sourceLines = source.split('\n')
+
+  var lineNumber = location.lineNumber - lineOffset;
+  var columnNumber = lineNumber !== 0 ? location.columnNumber : location.columnNumber - columnOffset;
+
+  var line = sourceLines[lineNumber];
+  line = line.slice(0, columnNumber) + '^' + line.slice(columnNumber);
+  sourceLines[lineNumber] = line;
+  InspectorTest.log(sourceLines.join('\n'));
+  Protocol.Debugger.resume();
+}