Ans support

README.md

@@ -38,15 +38,15 @@ ti842py is a TI-BASIC to Python 3 transpiler. A transpiler is a piece of softwar
  - `Menu()`
  - `toString()`
  - `randInt()`/`rand`
- - **Some drawing functions**
+ - Most drawing functions
  - List subscripting
  - Matrices
+ - `Ans`
 
 ### Planned Features
  - `round()`
  - `Return`
  - `eval()`/`expr()`
- - `Ans`
 
 ### Known issues
 

ti842py/__version__.py

@@ -1,7 +1,7 @@
 __title__ = "ti842py"
 __description__ = "TI-BASIC to Python 3 Transpiler"
 __url__ = "https://github.com/TabulateJarl8/ti842py"
-__version__ = "0.9.3"
+__version__ = "0.9.4"
 __author__ = "Tabulate"
 __author_email__ = "[email protected]"
 __license__ = "GPLv3"

ti842py/parsing_utils.py

@@ -73,6 +73,32 @@ def parenthesis_split(sentence, separator=" ", lparen="(", rparen=")"):
 	return([sentence[i:j].strip(separator) for i, j in zip(l, l[1:])])
 
 
+def last_line_without_variable_assignment_ans(full_code):
+	'''
+	Used for determining Ans
+	'''
+
+	full_code = full_code[::-1]
+
+	for i in range(len(full_code)):
+		if (not full_code[i].strip().endswith(':')) and \
+		(noStringReplace(r'(?<!Ans )=', '', [full_code[i]]) == [full_code[i]]) and \
+		not full_code[i].strip().startswith('#') and \
+		'.lbl' not in full_code[i]:
+			# no loops etc that end with : and nothing with item assignments or comparisons
+			# no comments
+			# if we come across an Ans before finding a statmenet that can use Ans, just use the last Ans statement
+			if not full_code[i].strip().startswith('Ans = '):
+				old_whitespace = full_code[i][:-len(full_code[i].lstrip())]
+				full_code[i] = old_whitespace + 'Ans = ' + full_code[i].lstrip()
+
+			break
+
+
+	return full_code[::-1]
+
+
+
 def menu(title, args):
 	choices = []
 	for i in range(0, len(args), 2):

ti842py/tiParser.py

@@ -399,6 +399,9 @@ def convertLine(self, index, line):
 			for statement_index, item in enumerate(statement):
 				statement[statement_index] = parsing_utils.toValidEqn(item)
 
+		if 'Ans' in ''.join(statement):
+			self.pythonCode = parsing_utils.last_line_without_variable_assignment_ans(self.pythonCode)
+
 		if isinstance(statement, list) and len(statement) == 1:
 			statement = statement[0]