Merge pull request #1 from microsoft/first-light

Initial port of compiler

Author: ahejlsberg

cmd/tsgo/main.go

@@ -2,9 +2,60 @@
 package main
 
 import (
-	"github.com/microsoft/typescript-go/internal/compiler"
+	"flag"
+	"fmt"
+	"runtime"
+	"strings"
+	"time"
+
+	ts "github.com/microsoft/typescript-go/internal/compiler"
 )
 
+var quiet = false
+var singleThreaded = false
+var parseAndBindOnly = false
+
+func printDiagnostic(d *ts.Diagnostic, level int) {
+	file := d.File()
+	if file != nil {
+		line, character := ts.GetLineAndCharacterOfPosition(file, d.Loc().Pos())
+		fmt.Printf("%v%v(%v,%v): error TS%v: %v\n", strings.Repeat(" ", level*2), file.FileName(), line+1, character+1, d.Code(), d.Message())
+	} else {
+		fmt.Printf("%verror TS%v: %v\n", strings.Repeat(" ", level*2), d.Code(), d.Message())
+	}
+	for _, r := range d.RelatedInformation() {
+		printDiagnostic(r, level+1)
+	}
+}
+
 func main() {
-	compiler.CreateSourceFile()
+	flag.BoolVar(&quiet, "q", false, "Quiet output")
+	flag.BoolVar(&singleThreaded, "s", false, "Single threaded")
+	flag.BoolVar(&parseAndBindOnly, "p", false, "Parse and bind only")
+	flag.Parse()
+	compilerOptions := &ts.CompilerOptions{Target: ts.ScriptTargetESNext, ModuleKind: ts.ModuleKindNodeNext}
+	programOptions := ts.ProgramOptions{RootPath: flag.Arg(0), Options: compilerOptions, SingleThreaded: singleThreaded}
+	startTime := time.Now()
+	program := ts.NewProgram(programOptions)
+	diagnostics := program.GetSyntacticDiagnostics(nil)
+	if len(diagnostics) == 0 {
+		if parseAndBindOnly {
+			diagnostics = program.GetBindDiagnostics(nil)
+		} else {
+			diagnostics = program.GetSemanticDiagnostics(nil)
+		}
+	}
+	compileTime := time.Since(startTime)
+	var memStats runtime.MemStats
+	runtime.GC()
+	runtime.GC()
+	runtime.ReadMemStats(&memStats)
+	if !quiet {
+		for _, diagnostic := range diagnostics {
+			printDiagnostic(diagnostic, 0)
+		}
+	}
+	fmt.Printf("Files:         %v\n", len(program.SourceFiles()))
+	fmt.Printf("Compile time:  %v\n", compileTime)
+	fmt.Printf("Memory used:   %vK\n", memStats.Alloc/1024)
 }