Create new parser (works for lists so far)

2019-07-05 16:45:59 +02:00
parent 23e0f3f33e
commit ed73aa1ad1
32 changed files with 516 additions and 59 deletions
--- a/smnp/ast/parsers/minus.py
+++ b/smnp/ast/parsers/minus.py
@@ -5,10 +5,13 @@ from smnp.token.type import TokenType

 # minus -> '-' int
 def parseMinus(input, parent):
-    if input.current().type == TokenType.MINUS:
+    if input.isCurrent(TokenType.MINUS):
        token = input.current()
        input.ahead()

-        expr = parseInteger(input, parent)
+        if input.hasCurrent():
+            expr = parseInteger(input, parent)

-        return IntegerLiteralNode(-expr.value, parent, token.pos)
+            return IntegerLiteralNode(-expr.value, parent, token.pos)
+
+    return None