1 files changed, 37 insertions, 0 deletions
diff --git a/vendor/github.com/chenzhuoyu/iasm/expr/errors.go b/vendor/github.com/chenzhuoyu/iasm/expr/errors.go
new file mode 100644
index 000000000..7f4f7b5ce
--- /dev/null
+++ b/vendor/github.com/chenzhuoyu/iasm/expr/errors.go
@@ -0,0 +1,37 @@
+package expr
+
+import (
+    `fmt`
+)
+
+// SyntaxError represents a syntax error in the expression.
+type SyntaxError struct {
+    Pos    int
+    Reason string
+}
+
+func newSyntaxError(pos int, reason string) *SyntaxError {
+    return &SyntaxError {
+        Pos    : pos,
+        Reason : reason,
+    }
+}
+
+func (self *SyntaxError) Error() string {
+    return fmt.Sprintf("Syntax error at position %d: %s", self.Pos, self.Reason)
+}
+
+// RuntimeError is an error which would occure at run time.
+type RuntimeError struct {
+    Reason string
+}
+
+func newRuntimeError(reason string) *RuntimeError {
+    return &RuntimeError {
+        Reason: reason,
+    }
+}
+
+func (self *RuntimeError) Error() string {
+    return "Runtime error: " + self.Reason
+}