From d498fd2dae412054d028921f36ce42b8dfc46c0c Mon Sep 17 00:00:00 2001
From: Daniel Weipert <git@mail.dweipert.de>
Date: Mon, 8 Jul 2024 18:18:32 +0200
Subject: pipe

---
 henshin        | 26 ++++++++++++++++++++++----
 test/test.test |  4 ++--
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/henshin b/henshin
index d393f23..53611f8 100755
--- a/henshin
+++ b/henshin
@@ -269,6 +269,11 @@ class AstNodeLoop(AstNode):
         self.value_id = value_id
         self.body = body
 
+class AstNodePipe(AstNode):
+    def __init__(self, left, right):
+        self.left = left
+        self.right = right
+
 
 
 precedence = (
@@ -318,8 +323,9 @@ def p_statement(p):
     '''statement : variable_declaration_statement
                  | variable_reassignment_statement
                  | function_declaration
-                 | function_call
+                 | function_call SEMICOLON
                  | loop
+                 | pipe SEMICOLON
                  | return_statement'''
 
     p[0] = p[1]
@@ -355,7 +361,7 @@ def p_function_declaration_parameter(p):
 
 
 def p_function_call(p):
-    '''function_call : IDENTIFIER PARENTHESIS_LEFT function_call_parameters PARENTHESIS_RIGHT SEMICOLON'''
+    '''function_call : IDENTIFIER PARENTHESIS_LEFT function_call_parameters PARENTHESIS_RIGHT'''
 
     p[0] = AstNodeFunctionCall(p[1], p[3])
 
@@ -366,7 +372,9 @@ def p_function_call_parameters(p):
                                 | function_call_parameter
                                 |'''
 
-    parameters = [p[1]]
+    parameters = []
+    if len(p) == 2:
+        parameters.append(p[1])
     if len(p) == 4:
         parameters.extend(p[3])
 
@@ -375,7 +383,8 @@ def p_function_call_parameters(p):
 
 def p_function_call_parameter(p):
     '''function_call_parameter : IDENTIFIER ASSIGN expression
-                               | expression'''
+                               | expression
+                               | OPERATOR_PIPE_REPLACEMENT'''
 
     if len(p) == 4:
         p[0] = AstNodeFunctionCallParameter(p[1], p[3])
@@ -393,6 +402,15 @@ def p_loop(p):
 
 
 
+def p_pipe(p):
+    '''pipe : expression OPERATOR_PIPE pipe
+            | expression OPERATOR_PIPE function_call'''
+
+    p[0] = AstNodePipe(p[1], p[3])
+
+
+
+
 def p_variable_declaration_statement(p):
     '''variable_declaration_statement : variable_declarator IDENTIFIER COLON variable_type ASSIGN expression SEMICOLON'''
 
diff --git a/test/test.test b/test/test.test
index 24059ca..e39eae6 100644
--- a/test/test.test
+++ b/test/test.test
@@ -32,5 +32,5 @@ for (map) |key, value| {
   ply = key;
 }
 
-std.str.format('cool %s', string)
-  |> print($);
+main() |> print($);
+main() |> main2($) |> print($);
-- 
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