Some changes due to the performance improvements in parsekit.

parse2/grammar.go

@@ -38,14 +38,21 @@ func main() {
 		fmt.Println("Profiling ...")
 		inputBytes, _ := ioutil.ReadAll(os.Stdin)
 		inputStr := string(inputBytes)
+
 		p := profile.Start()
 		start := time.Now()
+
 		for i := 0; i < *doProfile; i++ {
 			result, err = toml.Match(inputStr)
+			if err != nil {
+				panic("Cannot profile, parsing input failed: " + err.Error())
+			}
 			fmt.Printf("cycle %d / %d, tokens=%d\r", i+1, *doProfile, len(result.Tokens))
 		}
+
 		duration := time.Since(start)
 		p.Stop()
+
 		fmt.Printf("\n")
 		fmt.Println("Duration:", duration)
 		return

parse2/grammar_test.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"io/ioutil"
+	"testing"
+)
+
+func BenchmarkLongToml(b *testing.B) {
+	benchmarkFile(b, "long.toml")
+}
+
+func BenchmarkNormalToml(b *testing.B) {
+	benchmarkFile(b, "normal.toml")
+}
+
+func BenchmarkShortToml(b *testing.B) {
+	benchmarkFile(b, "short.toml")
+}
+
+func benchmarkFile(b *testing.B, file string) {
+	toml := BuildGrammar()
+	inputBytes, err := ioutil.ReadFile(file)
+	if err != nil {
+		b.Fatalf("Cannot read input file (%s): %s", file, err)
+	}
+	inputStr := string(inputBytes)
+	for i := 0; i < b.N; i++ {
+		_, err := toml.Match(inputStr)
+		if err != nil {
+			b.Fatalf("Error in parsing TOML input: %s\n", err)
+		}
+	}
+}
+
+func TestBugfix(t *testing.T) {
+	toml := BuildGrammar()
+	inputBytes, err := ioutil.ReadFile("short.toml")
+	if err != nil {
+		t.Fatalf("Cannot read input file (%s): %s", "short.toml", err)
+	}
+	inputStr := string(inputBytes)
+
+	_, err = toml.Match(inputStr)
+	if err != nil {
+		t.Fatalf("Error in parsing TOML input: %s\n", err)
+	}
+}

parse2/performance_timings.txt

@@ -25,4 +25,13 @@
 185.826552ms qa-long-loads-of-comments.toml
 
 0.190  time ./parse2 < long.toml
-0.005  time ./parse2 < x
+0.005  time ./parse2 < x
+
+--- new benchmark tests
+NO CURSOR UPDATES  BASELINE
+                   0.264 (test-sushi)
+274544444          256706465
+2259506            2118384
+23911              22624
+
+

parse2/short.toml

@@ -1 +1,2 @@
+#############################################################
 key={key={}}