Added scanner tests

src/scanner/testdata/errors/ExpectedFunctionDefinition.q

@@ -0,0 +1 @@
+main()

src/scanner/testdata/errors/ExpectedPackageName.q

@@ -0,0 +1 @@
+import

src/scanner/testdata/errors/InvalidCharacter.q

@@ -0,0 +1 @@
+@

src/scanner/testdata/errors/InvalidCharacter2.q

@@ -0,0 +1 @@
+main@

src/scanner/testdata/errors/InvalidCharacter3.q

@@ -0,0 +1 @@
+main()@

src/scanner/testdata/errors/InvalidCharacter4.q

@@ -0,0 +1,4 @@
+main() {
+	x := 123 +++ 456
+	syscall(60, x)
+}

src/scanner/testdata/errors/InvalidCondition.q

@@ -0,0 +1,3 @@
+main() {
+	if 42 {}
+}

src/scanner/testdata/errors/InvalidExpression.q

@@ -0,0 +1,3 @@
+main() {
+	syscall(+, -, *, /)
+}

src/scanner/testdata/errors/InvalidFunctionDefinition.q

@@ -0,0 +1 @@
+main

src/scanner/testdata/errors/InvalidTopLevel.q

@@ -0,0 +1 @@
+123

src/scanner/testdata/errors/InvalidTopLevel2.q

@@ -0,0 +1 @@
+"Hello"

src/scanner/testdata/errors/InvalidTopLevel3.q

@@ -0,0 +1 @@
++

src/scanner/testdata/errors/MissingBlockEnd.q

@@ -0,0 +1 @@
+main(){

src/scanner/testdata/errors/MissingBlockEnd2.q

@@ -0,0 +1,3 @@
+main() {
+	loop {
+}

src/scanner/testdata/errors/MissingBlockStart.q

@@ -0,0 +1 @@
+main()}

src/scanner/testdata/errors/MissingGroupEnd.q

@@ -0,0 +1 @@
+main(

src/scanner/testdata/errors/MissingGroupStart.q

@@ -0,0 +1 @@
+main)

src/scanner/testdata/errors/MissingParameter.q

@@ -0,0 +1 @@
+f(,) {}

src/scanner/testdata/errors/MissingParameter2.q

@@ -0,0 +1 @@
+f(a int,) -> int { return a }

src/scanner/testdata/errors/MissingParameter3.q

@@ -0,0 +1 @@
+f(,a int) {}

src/scanner/testdata/errors/MissingType.q

@@ -0,0 +1 @@
+f(a) {}