[vala/wip/effectfree: 23/38] codegen: Simplify emit of postfix expression

[Luca Bruno <lucabru src gnome org>]

commit 5446b27d6b7f6706f9f80682c96ce62f074d00df
Author: Luca Bruno <lucabru src gnome org>
Date:   Sat Jun 11 11:10:25 2011 +0200

    codegen: Simplify emit of postfix expression

 codegen/valaccodebasemodule.vala |   33 ++++++++++-----------------------
 1 files changed, 10 insertions(+), 23 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 0c64ad4..fe57aa0 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3626,39 +3626,26 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
 			// property postfix expression
 			var prop = (Property) ma.symbol_reference;
 
-			// assign current value to temp variable
-			var temp_decl = get_temp_variable (prop.property_type, true, expr, false);
-			emit_temp_var (temp_decl);
-			store_local (temp_decl, expr.inner.target_value, true);
-
 			// increment/decrement property
 			var op = expr.increment ? CCodeBinaryOperator.PLUS : CCodeBinaryOperator.MINUS;
-			var cexpr = new CCodeBinaryExpression (op, get_variable_cexpression (temp_decl.name), new CCodeConstant ("1"));
+			var cexpr = new CCodeBinaryExpression (op, get_cvalue (expr.inner), new CCodeConstant ("1"));
 			store_property (prop, ma.inner, new GLibValue (expr.value_type, cexpr));
 
 			// return previous value
-			expr.target_value = get_local_cvalue (temp_decl);
+			expr.target_value = expr.inner.target_value;
 			return;
 		}
 
-		if (expr.parent_node is ExpressionStatement) {
-			var op = expr.increment ? CCodeUnaryOperator.POSTFIX_INCREMENT : CCodeUnaryOperator.POSTFIX_DECREMENT;
-
-			ccode.add_expression (new CCodeUnaryExpression (op, get_cvalue (expr.inner)));
-		} else {
-			// assign current value to temp variable
-			var temp_decl = get_temp_variable (expr.inner.value_type, true, expr, false);
-			emit_temp_var (temp_decl);
-			store_local (temp_decl, expr.inner.target_value, true);
+		// assign current value to temp variable
+		var temp_value = store_temp_value (expr.inner.target_value, expr);
 
-			// increment/decrement variable
-			var op = expr.increment ? CCodeBinaryOperator.PLUS : CCodeBinaryOperator.MINUS;
-			var cexpr = new CCodeBinaryExpression (op, get_variable_cexpression (temp_decl.name), new CCodeConstant ("1"));
-			ccode.add_assignment (get_cvalue (expr.inner), cexpr);
+		// increment/decrement variable
+		var op = expr.increment ? CCodeBinaryOperator.PLUS : CCodeBinaryOperator.MINUS;
+		var cexpr = new CCodeBinaryExpression (op, get_cvalue_ (temp_value), new CCodeConstant ("1"));
+		ccode.add_assignment (get_cvalue (expr.inner), cexpr);
 
-			// return previous value
-			expr.target_value = get_local_cvalue (temp_decl);
-		}
+		// return previous value
+		expr.target_value = temp_value;
 	}
 	
 	private MemberAccess? find_property_access (Expression expr) {