From d754bdbf4bc47eab8ee61bca021f70be40b476a3 Mon Sep 17 00:00:00 2001
From: Randy Hollines <objeck@gmail.com>
Date: Sun, 18 Feb 2024 04:08:54 -0800
Subject: [PATCH] usage of 'xxxRange' and 'in'

---
 core/compiler/parser.cpp   |  35 +++++++++++++++++++++++++----------
 docs/api.zip               | Bin 417379 -> 417379 bytes
 programs/tests/prgm277.obs |   6 +++---
 programs/tests/prgm283.obs |   5 ++---
 4 files changed, 30 insertions(+), 16 deletions(-)

diff --git a/core/compiler/parser.cpp b/core/compiler/parser.cpp
index b0649b8b09..b08d53fb20 100644
--- a/core/compiler/parser.cpp
+++ b/core/compiler/parser.cpp
@@ -5068,15 +5068,12 @@ For* Parser::ParseEach(bool reverse, int depth)
   NextToken();
 
   // add count entry
+  Assignment* bind_assign = nullptr;
   std::wstring bound_ident;
   if(bind_var) {
     bound_ident = count_ident;
     count_ident = L'#' + count_ident + L"_index";
-  }
-
-  // add bind variable entry
-  Assignment* bind_assign = nullptr;
-  if(bind_var) {
+    
     const std::wstring bind_scope_name = GetScopeName(bound_ident);
     Type* bind_left_type = TypeFactory::Instance()->MakeType(VAR_TYPE);
     SymbolEntry* bind_entry = TreeFactory::Instance()->MakeSymbolEntry(file_name, line_num, line_pos, bind_scope_name, 
@@ -5098,10 +5095,28 @@ For* Parser::ParseEach(bool reverse, int depth)
   if(Match(TOKEN_IDENT)) {
     const std::wstring ident_type = scanner->GetToken()->GetIdentifier();
     if(ident_type == L"CharRange" || ident_type == L"System.CharRange") {
-      count_type = TypeFactory::Instance()->MakeType(CHAR_TYPE);
+      if(!bind_var) {
+        count_type = TypeFactory::Instance()->MakeType(CHAR_TYPE);
+      }
+      else {
+        ProcessError(L"Range class '" + ident_type + L"' cannot be bound to index variable '" + bound_ident + L"', try using the ':' operator");
+      }
+    }
+    else if((ident_type == L"IntRange" || ident_type == L"System.IntRange")) {
+      if(!bind_var) {
+        count_type = TypeFactory::Instance()->MakeType(INT_TYPE);
+      }
+      else {
+        ProcessError(L"Range class '" + ident_type + L"' cannot be bound to index variable '" + bound_ident + L"', try using the ':' operator");
+      }
     }
     else if(ident_type == L"FloatRange" || ident_type == L"System.FloatRange") {
-      count_type = TypeFactory::Instance()->MakeType(FLOAT_TYPE);
+      if(!bind_var) {
+        count_type = TypeFactory::Instance()->MakeType(FLOAT_TYPE);
+      }
+      else {
+        ProcessError(L"Range class '" + ident_type + L"' cannot be bound to index variable '" + bound_ident + L"', try using the ':' operator");
+      }
     }
   }
 
@@ -5220,7 +5235,7 @@ For* Parser::ParseEach(bool reverse, int depth)
       //
       left_pre_count = ParseExpression(depth + 1);
 
-      if(left_pre_count->GetExpressionType() == VAR_EXPR) {
+      if(left_pre_count && left_pre_count->GetExpressionType() == VAR_EXPR) {
         Variable* variable = static_cast<Variable*>(left_pre_count);
         if(!variable->GetIndices()) {
           // set method call to 'x->Size()'
@@ -5229,7 +5244,7 @@ For* Parser::ParseEach(bool reverse, int depth)
                                                                    variable->GetName(), L"Size", TreeFactory::Instance()->MakeExpressionList());
         }
       }
-      else if(left_pre_count->GetExpressionType() == METHOD_CALL_EXPR) {
+      else if(left_pre_count && left_pre_count->GetExpressionType() == METHOD_CALL_EXPR) {
         // add count entry
         const std::wstring count_scope_name = GetScopeName(L'#' + count_ident + L"_range");
         Type* count_type = TypeFactory::Instance()->MakeType(CLASS_TYPE);
@@ -5242,7 +5257,7 @@ For* Parser::ParseEach(bool reverse, int depth)
           ProcessError(L"Variable already defined in this scope: '" + count_ident + L"'");
         }
       }
-      else if(left_pre_count->GetExpressionType() != METHOD_CALL_EXPR) {
+      else if(left_pre_count && left_pre_count->GetExpressionType() != METHOD_CALL_EXPR) {
         ProcessError(L"Expected variable or literal expression", TOKEN_SEMI_COLON);
       }
     }
diff --git a/docs/api.zip b/docs/api.zip
index 1bb8c0c817f877b578c82caf13284c97aa0d76a6..7cce5593409e4526e5a46e8c26497c3fad2313e1 100644
GIT binary patch
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diff --git a/programs/tests/prgm277.obs b/programs/tests/prgm277.obs
index f85bd4c5a9..ed0573c159 100644
--- a/programs/tests/prgm277.obs
+++ b/programs/tests/prgm277.obs
@@ -3,12 +3,12 @@ class Test {
         (0.1 + 0.2 = 0.3)->PrintLine();
 
         x := 13.3;
-
+#~
         for(i := 5; i < x; i += 3;) {
             i->PrintLine();
         }        
-
-        each(i : IntRange->New(5., x, 3)) {
+~#
+        each(i : IntRange->New(5)) {
             i->PrintLine();
         }
 
diff --git a/programs/tests/prgm283.obs b/programs/tests/prgm283.obs
index ab8d82884f..7b31fe30ae 100644
--- a/programs/tests/prgm283.obs
+++ b/programs/tests/prgm283.obs
@@ -1,8 +1,7 @@
 class Test {
 	function : Main(args : String[]) ~ Nil {
-		values := [1,2,3,4,5];
-		each(value in values) {
-			value->PrintLine()
+		each(value in IntRange->New(1,4)) {
+			value->Print()
 		}
 	}
 }
\ No newline at end of file