d

tr-Python-C++/CPP.py

@@ -1,5 +1,21 @@
 from Function import *
 
+def replaceAnd(s):
+    return s.replace("and", "&&")
+
+def replaceLen(s):
+    posLen = s.find("len(")
+    posEnd = s.find(")")
+    if (
+      posLen == -1 or
+      posEnd == -1
+    ):
+      return s
+    before = s[:posLen]
+    name = s[posLen + len("len("):posEnd]
+    after = s[posEnd + len(")"):]
+    return f"{before}{name}.size(){after}"
+
 def translateParameter(s):
     # name: type -> type name
     parts = s.split(": ")
@@ -9,7 +25,7 @@ def translateParameter(s):
     indentation = "".join(" " * indent)
     return f"{indentation}{t} {name}"
 
-def translateStatement(s):
+def translateStatement(s, state):
     indent = len(s) - len(s.lstrip())
     indentation = "".join(" " * indent)
     ss = s.lstrip()
@@ -59,8 +75,22 @@ def translateStatement(s):
       value = ss[posEqual + len(" = "):]
       return f"{indentation}auto {name} = {value};"
 
-    # Unknown. Return with semicolon at the end.
-    return f"{s};"
+    # Keep "if ("
+    if ss == "if (":
+        state.isIf = True
+        return s
+
+    # ): -> }
+    if ss == "):":
+        state.isIf = False
+        return f"{indentation}) {{"
+
+    ending = ";"
+    if state.isIf:
+        ending = ""
+
+    # Unknown.
+    return f"{s}{ending}"
 
 def translateType(s):
     # dict[X, Y] -> std::map<X, Y>
@@ -68,6 +98,9 @@ def translateType(s):
         kv = s[len("dict["):-len("]")]
         parts = kv.split(", ")
         return f"std::map<{parts[0]}, {parts[1]}>"
+    # str -> std::string
+    if s == "str":
+        return "std::string"
 
     # Unknown. Return as is.
     return s
@@ -75,6 +108,7 @@ def translateType(s):
 class CPP:
     def __init__(self, fn):
         self.fn = fn
+        self.isIf = False
 
     def translate(self):
         returnType = translateType(self.fn.returnType)
@@ -85,17 +119,20 @@ class CPP:
             p = translateParameter(self.fn.parameters[i])
             params.append(p)
         strparams = "\n".join(params)
+        if (len(strparams) > 0):
+            strparams += "\n"
 
         # Statements.
         sts = []
         for i in range(0, len(self.fn.statements)):
-          s = translateStatement(self.fn.statements[i])
+          s = translateStatement(self.fn.statements[i], self)
+          s = replaceAnd(s)
+          s = replaceLen(s)
           sts.append(s)
         strstatements = "\n".join(sts)
 
         return f"""{returnType} {self.fn.name}(
-{strparams}
-) {{
+{strparams}) {{
 {strstatements}
 }}
 """

tr-Python-C++/process.py

@@ -13,17 +13,12 @@ def process(FILE_IN):
     # Parse.
     for ln in lines_in:
         ln = ln.rstrip()
-
-        # Ignore includes.
-        if "#include" in ln:
-            continue
-
         f.parseLine(ln)
         if f.isComplete:
-            print("Function ready!")
-            break
+            print("Function ready! Here it is in C++:")
+            cpp = CPP(f)
+            print(cpp.translate())
+            # Create new function instance.
+            f = Function()
 
-    print(f"Debug: {f}")
 
-    cpp = CPP(f)
-    return cpp.translate()