Merge branch 'main' of https://github.com/plexx-dev/Nassi-Shneiderman-Diagramm-Generator into main

.vscode/launch.json

@@ -8,7 +8,7 @@
             "name": "Python: Aktuelle Datei",
             "type": "python",
             "request": "launch",
-            "program": "gui.py",
+            "program": "interpret_source.py",
             "console": "integratedTerminal"
         }
     ]

NassiShneidermann.py

@@ -1,8 +1,7 @@
-from os import cpu_count
-from code_to_image import NSD_save
 from Iinstruction import Iinstruction
-from interpet_source import load_src, get_scoped_instructions
+import interpret_source as itp
 import logging
+from typing import List
 
 class NassiShneidermanDiagram:
 
@@ -24,16 +23,20 @@ class NassiShneidermanDiagram:
 
     def convert_to_image(self, filename: str, x_size=200):
         logging.info(f"Saving NSD to {filename}.png")
-        cti.NSD_init(x_size, 1000)
+        cti.NSD_init(x_size, 5000)
         x, y, x_sz = 0, 0, x_size
         for _k, instruction in self.instructions.items():
-            x, y = instruction.to_image(x, y, x_sz, 200)
+            x, y = instruction.to_image(x, y, x_sz, 750)
         cti.NSD_save(filename)
 
     def load_from_file(self, filepath:str):
-        source_code = load_src(filepath)
+        src_code = itp.load_src(filepath)
-        instructions = get_scoped_instructions(filepath)
+        global_scope = itp.get_instructions_in_scope(src_code)[0]
+        self.add_instructions_from_scope(global_scope)
 
+    def add_instructions_from_scope(self, scope: List[Iinstruction]):
+        for inst in scope:
+            self.add_instruction(inst)
 
 
     

README.md

@@ -3,4 +3,4 @@ This python code generates a Nassi Shneiderman Diagramm from Java Source Code
 
 
 How it works:
-In the final Version, you will just have to execute the nassi.exe and choose your Code, it will display the Nassi-Shneiderman-Diagramm and give you the path of the created picture.
+In the final version, you will just have to execute the nassi.exe and choose your Code, it will display the Nassi-Shneiderman-Diagramm and give you the path of the created picture.

interpet_source.py

@@ -1,90 +0,0 @@
-from Iinstruction import *
-import logging
-import re
-from typing import Any, List, Union
-
-class Scope():
-
-    def __init__(self, enclosing_scope) -> None:
-        self.enclosing_scope = enclosing_scope
-        self.contents: List = []
-    
-    def add_instruction(self, instruction) -> None:
-        self.contents.append(instruction)
-
-    def add_subscope(self, subscope) -> None:
-        self.contents.append(subscope)
-
-def load_src(filepath: str) -> List[str]:
-    lines: List[str] = []
-    try:
-        with open(filepath) as file:
-            for _line in file:
-                line = _line.strip()
-                if line and not re.match(r"""^//|^#|^COMMENT|^--""", line):
-                    lines.append(line)
-    except:
-        logging.error(f"Failed to open input file {filepath}!")
-    
-    return lines
-
-#TODO: remove debugging-only str
-scope_contents = Union[str, Iinstruction, Scope]
-
-def get_scopes(src: List[str]):
-    global_scope = Scope(None)
-    current_scope = global_scope
-
-    for line in src:
-        logging.debug(line)
-        if line.__contains__('}'):
-            current_scope.add_instruction("scope exit")
-            current_scope = current_scope.enclosing_scope
-        if line.__contains__('{'):
-            current_scope.add_instruction("scope enter")
-            subscope = Scope(current_scope)
-            current_scope.add_subscope(subscope)
-            current_scope = subscope
-
-        elif not line.__contains__('}'):
-            current_scope.add_instruction("generic instruction")
-    
-    return global_scope
-
-def get_instructions(scope: Scope) -> List[scope_contents]:
-    instructions = []
-
-    for item in scope.contents:
-        if isinstance(item, Scope):
-            instructions.extend(get_instructions(item))
-        else:
-            instructions.append(item)
-    
-    return instructions
-
-
-
-def get_scoped_instructions(filepath:str) -> List[scope_contents]:
-    source_code = load_src(filepath)
-    global_scope = get_scopes(source_code)
-
-    instructions = get_instructions(global_scope)
-    return instructions
-
-if __name__ == "__main__":
-    """debuging"""
-
-    def print_scope(scope: Scope):
-        print('{')
-        for item in scope.contents:
-            if isinstance(item, Scope):
-                print_scope(item)
-            else:
-                print(item, end=";\n")
-        print('}')
-
-    logging.basicConfig(level=logging.DEBUG)
-    #inst = get_scoped_instructions("res/input/input.java")
-    lines = load_src("res/input/input.java")
-    global_scope = get_scopes(lines)
-    print_scope(global_scope)

interpret_source.py

@@ -0,0 +1,77 @@
+from Iinstruction import *
+import logging
+import re
+from typing import List, Tuple
+
+class Scope():
+
+    def __init__(self, enclosing_scope) -> None:
+        self.enclosing_scope = enclosing_scope
+        self.contents: List = []
+    
+    def add_instruction(self, instruction: Iinstruction) -> None:
+        self.contents.append(instruction)
+
+def load_src(filepath: str) -> List[str]:
+    lines: List[str] = []
+    brace_open_count, brace_closed_count = 0,0
+    try:
+        with open(filepath) as file:
+            for _line in file:
+                line = _line.strip()
+                if line and not re.match(r"""^//|^#|^COMMENT|^--""", line):
+                    lines.append(line)
+                if line.__contains__('{'):
+                    brace_open_count += 1
+                if line.__contains__('}'):
+                    brace_closed_count += 1
+    except:
+        logging.error(f"Failed to open input file {filepath}!")
+    if brace_open_count != brace_closed_count:
+        raise Exception("Number of opened braces does not match number of closed ones. Program is illformed!")
+    
+    return lines
+
+def get_instructions_in_scope(src: List[str], start_idx: int = 0) -> Tuple[List[Iinstruction], int]:
+    outer_scope = Scope(None)
+    i = start_idx
+    while i < len(src):
+        line = src[i]
+        try:
+            if line.__contains__('}'): #We exited this scope, return it
+                return outer_scope.contents, i
+            
+            if line.startswith("while("):
+                logging.debug("Found while instruction in line: %i", i+1)
+                bracket_idx = line.rindex(')') # throws if the while is illformed
+                instruction_txt = line[6:bracket_idx]
+                child_instructions, i = get_instructions_in_scope(src, i+1)
+                outer_scope.add_instruction(while_instruction_front(instruction_txt, child_instructions))
+            
+            elif line.startswith("if("):
+                logging.debug("Found if instruction in line: %i", i+1)
+                bracket_idx = line.rindex(')') # throws if the contruct is illformed
+                instruction_txt = line[3:bracket_idx]
+                true_instructions, i = get_instructions_in_scope(src, i+1)
+                false_instructions = None
+                if src[i].__contains__("else"): #if there is an else statement, check it
+                    false_instructions, i = get_instructions_in_scope(src, i+1)
+                outer_scope.add_instruction(if_instruction(instruction_txt, true_instructions, false_instructions))
+            
+            else:
+                logging.debug("Found generic instruction in line: %i", i+1)
+                outer_scope.add_instruction(generic_instruction(line))
+        except:
+            logging.error("Encountered error in line: %i", i)
+            raise # rethrow
+        i += 1
+    return outer_scope.contents, 0
+
+if __name__ == "__main__":
+    """debuging"""
+
+    logging.basicConfig(level=logging.DEBUG)
+    #inst = get_scoped_instructions("res/input/input.java")
+    lines = load_src("res/input/input.java")
+    global_scope = get_instructions_in_scope(lines)
+    print(global_scope)

res/input/input.java

@@ -1,23 +1,36 @@
-#comment
+fahre1();
-//comment
+fahre2();
-COMMENT this is a comment
+while(shouldNiet()) {
---comment
+    niet4();
-
+    niet5();
-fahre();
+    if(if6) {
-fahre();
+        niet7();
-
+        niet8();
-while(shouldNiet()) 
+    } else {
-{
+        niet10();
-    niet();
+        niet11();
-    niet();
-    if(true) 
-    {
-        niet();
-        niet();
     }
+    if(if13) {
+        niet14();
+        niet15();
+        if(if16) {
+            niet17();
+            niet18();
+        } else {
+            niet20();
+            niet21();
+            if(if22) {
+                niet23()
+            }
+        }
+    } else {
+        niet27();
+        niet28();
+    }
+    niet30();
 }
-niet();
+niet32();
-niet();
+niet33();
 
 // drehe("links");
 // while(huegelVorhanden("rechts"))