Changed parsing syntax

parser.py

@@ -14,8 +14,6 @@ class Parser:
 
 	lp = pp.Suppress("(")
 	rp = pp.Suppress(")")
-	func_char = pp.Suppress("->")
-	macro_char = pp.Suppress("=")
 
 	# Simple tokens
 	pp_expr = pp.Forward()
@@ -26,14 +24,14 @@ class Parser:
 	# Right associative.
 	#
 	# <var> => <exp>
-	pp_lambda_fun = pp_name + func_char + pp_expr
+	pp_lambda_fun = (pp.Suppress("λ") | pp.Suppress("\\")) + pp_name + pp.Suppress(".") + pp_expr
 	pp_lambda_fun.set_parse_action(tokens.lambda_func.from_parse)
 
 	# Assignment.
 	# Can only be found at the start of a line.
 	#
 	# <var> = <exp>
-	pp_macro_def = pp.line_start() + pp_name + macro_char + pp_expr
+	pp_macro_def = pp.line_start() + pp_name + pp.Suppress("=") + pp_expr
 	pp_macro_def.set_parse_action(tokens.macro_expression.from_parse)
 
 	# Function calls.
@@ -50,15 +48,21 @@ class Parser:
 	pp_expr <<= pp_lambda_fun ^ (lp + pp_expr + rp) ^ pp_name ^ (lp + pp_call + rp)
 	pp_all = pp_expr | pp_macro_def
 
-	@staticmethod
-	def parse_expression(line):
-		return Parser.pp_expr.parse_string(line, parse_all = True)[0]
+	pp_command = ":" + pp_name
+	pp_command.set_parse_action(tokens.command.from_parse)
 
 	@staticmethod
-	def parse_assign(line):
-		return (
-			Parser.pp_macro_def
-		).parse_string(line, parse_all = True)[0]
+	def parse_line(line):
+		k = (
+			Parser.pp_expr ^
+			Parser.pp_macro_def ^
+			Parser.pp_command ^ Parser.pp_call
+		).parse_string(
+			line,
+			parse_all = True
+		)[0]
+		print(k)
+		return(k)
 
 	@staticmethod
 	def run_tests(lines):