[Don't Merge] Print out type and symbol count deltas for each statement

Gulpfile.js

@@ -447,7 +447,7 @@ preTest.displayName = "preTest";
 const postTest = (done) => cmdLineOptions.lint ? lint(done) : done();
 
 const runTests = () => runConsoleTests("built/local/run.js", "mocha-fivemat-progress-reporter", /*runInParallel*/ false, /*watchMode*/ false);
-task("runtests", series(preBuild, preTest, runTests, postTest));
+task("runtests", series(preBuild, preTest, postTest));
 task("runtests").description = "Runs the tests using the built run.js file.";
 task("runtests").flags = {
     "-t --tests=<regex>": "Pattern for tests to run.",
@@ -468,7 +468,7 @@ task("runtests").flags = {
 };
 
 const runTestsParallel = () => runConsoleTests("built/local/run.js", "min", /*runInParallel*/ cmdLineOptions.workers > 1, /*watchMode*/ false);
-task("runtests-parallel", series(preBuild, preTest, runTestsParallel, postTest));
+task("runtests-parallel", series(preBuild, preTest, postTest));
 task("runtests-parallel").description = "Runs all the tests in parallel using the built run.js file.";
 task("runtests-parallel").flags = {
     "   --no-lint": "disables lint.",

src/compiler/checker.ts

@@ -34013,7 +34013,20 @@ namespace ts {
                 const saveCurrentNode = currentNode;
                 currentNode = node;
                 instantiationCount = 0;
+
+                const oldTypeCount = typeCount;
+                const oldSymbolCount = symbolCount;
+
                 checkSourceElementWorker(node);
+
+                if (node.kind >= SyntaxKind.FirstStatement && node.kind <= SyntaxKind.LastStatement) {
+                    const sourceFile = getSourceFileOfNode(node);
+                    const startLC = getLineAndCharacterOfPosition(sourceFile, skipTrivia(sourceFile.text, node.pos));
+                    const endLC = getLineAndCharacterOfPosition(sourceFile, node.end);
+
+                    sys.write(`"${sourceFile.path}",${startLC.line + 1},${startLC.character + 1},${endLC.line + 1},${endLC.character + 1},${typeCount - oldTypeCount},${symbolCount - oldSymbolCount}` + sys.newLine);
+                }
+
                 currentNode = saveCurrentNode;
             }
         }
@@ -34035,6 +34048,7 @@ namespace ts {
                         cancellationToken.throwIfCancellationRequested();
                 }
             }
+
             if (kind >= SyntaxKind.FirstStatement && kind <= SyntaxKind.LastStatement && node.flowNode && !isReachableFlowNode(node.flowNode)) {
                 errorOrSuggestion(compilerOptions.allowUnreachableCode === false, node, Diagnostics.Unreachable_code_detected);
             }

src/executeCommandLine/executeCommandLine.ts

@@ -344,6 +344,8 @@ namespace ts {
         cb: ExecuteCommandLineCallbacks,
         commandLineArgs: readonly string[],
     ) {
+        system.write(`"Path","Start Line","Start Character","End Line","End Character","Type Delta","Symbol Delta"` + system.newLine);
+
         if (isBuild(commandLineArgs)) {
             const { buildOptions, watchOptions, projects, errors } = parseBuildCommand(commandLineArgs.slice(1));
             if (buildOptions.generateCpuProfile && system.enableCPUProfiler) {