Added more tests

main_test.go

@@ -18,6 +18,9 @@ func TestErrors(t *testing.T) {
 		{"ExpectedFunctionDefinition.q", errors.ExpectedFunctionDefinition},
 		{"ExpectedFunctionName.q", errors.ExpectedFunctionName},
 		{"ExpectedFunctionParameters.q", errors.ExpectedFunctionParameters},
+		{"InvalidInstruction-Identifier.q", &errors.InvalidInstruction{Instruction: "abc"}},
+		{"InvalidInstruction-Number.q", &errors.InvalidInstruction{Instruction: "123"}},
+		{"MissingAssignValue.q", errors.MissingAssignValue},
 		{"MissingBlockEnd.q", errors.MissingBlockEnd},
 		{"MissingBlockStart.q", errors.MissingBlockStart},
 		{"MissingGroupEnd.q", errors.MissingGroupEnd},

src/build/Function.go

@@ -113,17 +113,17 @@ func (f *Function) CompileInstruction(line token.List) error {
 		return nil
 	}
 
-	if line[0].Kind == token.Identifier {
 	if len(line) < 2 {
-			return fmt.Errorf("error to be implemented")
+		return errors.New(&errors.InvalidInstruction{Instruction: line[0].Text()}, f.File, line[0].Position)
 	}
 
+	if line[0].Kind == token.Identifier {
 		if line[1].Kind == token.Define {
 			name := line[0].Text()
 			value := line[2:]
 
 			if len(value) == 0 {
-				return errors.New(errors.MissingAssignmentValue, f.File, line[1].After())
+				return errors.New(errors.MissingAssignValue, f.File, line[1].After())
 			}
 
 			if config.Verbose {

src/errors/CompileErrors.go

@@ -1,5 +1,6 @@
 package errors
 
 var (
-	MissingAssignmentValue = &Base{"Missing assignment value"}
+	InvalidStatement   = &Base{"Invalid statement"}
+	MissingAssignValue = &Base{"Missing assignment value"}
 )

src/errors/InvalidInstruction.go

@@ -0,0 +1,13 @@
+package errors
+
+import "fmt"
+
+// InvalidInstruction error is created when an instruction is not valid.
+type InvalidInstruction struct {
+	Instruction string
+}
+
+// Error generates the string representation.
+func (err *InvalidInstruction) Error() string {
+	return fmt.Sprintf("Invalid instruction '%s'", err.Instruction)
+}

tests/errors/InvalidInstruction-Identifier.q

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

tests/errors/InvalidInstruction-Number.q

@@ -0,0 +1,3 @@
+main() {
+	123
+}

tests/errors/MissingAssignValue.q

@@ -0,0 +1,3 @@
+main() {
+	a :=
+}