initial commit

1 files changed, 105 insertions, 0 deletions

diff --git a/src/tokens.py b/src/tokens.py
new file mode 100644
index 0000000..3c04668
--- /dev/null
+++ b/src/tokens.py
@@ -0,0 +1,105 @@
+# Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is licensed under the terms of the MIT License.
+# See LICENSE.txt for details.
+
+class Token:
+    pass
+
+class AdditionOpToken(Token):
+    def __str__(self):
+        return '+'
+
+class SubtractionOpToken(Token):
+    def __str__(self):
+        return '-'
+
+class MultiplicationOpToken(Token):
+    def __str__(self):
+        return '*'
+
+class DivisionOpToken(Token):
+    def __str__(self):
+        return '/'
+
+class AssignmentOpToken(Token):
+    def __str__(self):
+        return ':='
+
+class SemicolonToken(Token):
+    def __str__(self):
+        return ';'
+
+class PrintToken(Token):
+    def __str__(self):
+        return 'print'
+
+class OpeningParenToken(Token):
+    def __str__(self):
+        return '('
+
+class ClosingParenToken(Token):
+    def __str__(self):
+        return ')'
+
+class OpeningBraceToken(Token):
+    def __str__(self):
+        return '{'
+
+class ClosingBraceToken(Token):
+    def __str__(self):
+        return '}'
+
+class IdentifierToken(Token):
+    def __init__(self, i):
+        self._i = i
+
+    def __str__(self):
+        return str(self._i)
+
+class FloatingPointNumberToken(Token):
+    def __init__(self, n):
+        self._n = n
+
+    def __float__(self):
+        return float(self._n)
+
+    def __str__(self):
+        return str(self._n)
+
+class IntegerNumberToken(Token):
+    def __init__(self, n):
+        self._n = n
+
+    def __int__(self):
+        return int(self._n)
+
+    def __str__(self):
+        return str(self._n)
+
+class TrueToken(Token):
+    def __str__(self):
+        return 'True'
+
+class FalseToken(Token):
+    def __str__(self):
+        return 'False'
+
+class AndOpToken(Token):
+    def __str__(self):
+        return '&&'
+
+class OrOpToken(Token):
+    def __str__(self):
+        return '||'
+
+class IfToken(Token):
+    def __str__(self):
+        return 'if'
+
+class EqualsOpToken(Token):
+    def __str__(self):
+        return '=='
+
+class NotEqualsOpToken(Token):
+    def __str__(self):
+        return '!='