[vala] codegen: Add helper functions to work with TargetValue

[Jürg Billeter <juergbi src gnome org>]

commit 526b5ec0173349bb5b2464224c2dd97e20900382
Author: Jürg Billeter <j bitron ch>
Date:   Thu Oct 21 13:20:02 2010 +0200

    codegen: Add helper functions to work with TargetValue

 codegen/valaccodearraymodule.vala    |   12 +++++--
 codegen/valaccodebasemodule.vala     |   53 +++++++++++++++++++++++----------
 codegen/valaccodedelegatemodule.vala |   11 ++++++-
 codegen/valadovabasemodule.vala      |   13 ++++++--
 4 files changed, 63 insertions(+), 26 deletions(-)
---
diff --git a/codegen/valaccodearraymodule.vala b/codegen/valaccodearraymodule.vala
index 4e938f6..ec375c3 100644
--- a/codegen/valaccodearraymodule.vala
+++ b/codegen/valaccodearraymodule.vala
@@ -135,7 +135,11 @@ public class Vala.CCodeArrayModule : CCodeMethodCallModule {
 	}
 
 	public override CCodeExpression get_array_length_cexpression (Expression array_expr, int dim = -1) {
-		var array_type = array_expr.value_type as ArrayType;
+		return get_array_length_cvalue (array_expr.target_value, dim);
+	}
+
+	public override CCodeExpression get_array_length_cvalue (TargetValue value, int dim = -1) {
+		var array_type = value.value_type as ArrayType;
 
 		if (array_type != null && array_type.fixed_length) {
 			return new CCodeConstant (array_type.length.to_string ());
@@ -144,9 +148,9 @@ public class Vala.CCodeArrayModule : CCodeMethodCallModule {
 		// dim == -1 => total size over all dimensions
 		if (dim == -1) {
 			if (array_type != null && array_type.rank > 1) {
-				CCodeExpression cexpr = get_array_length_cexpression (array_expr, 1);
+				CCodeExpression cexpr = get_array_length_cvalue (value, 1);
 				for (dim = 2; dim <= array_type.rank; dim++) {
-					cexpr = new CCodeBinaryExpression (CCodeBinaryOperator.MUL, cexpr, get_array_length_cexpression (array_expr, dim));
+					cexpr = new CCodeBinaryExpression (CCodeBinaryOperator.MUL, cexpr, get_array_length_cvalue (value, dim));
 				}
 				return cexpr;
 			} else {
@@ -154,7 +158,7 @@ public class Vala.CCodeArrayModule : CCodeMethodCallModule {
 			}
 		}
 
-		List<CCodeExpression> size = get_array_sizes (array_expr);
+		List<CCodeExpression> size = ((GLibValue) value).array_length_cvalues;
 		assert (size != null && size.size >= dim);
 		return size[dim - 1];
 	}
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 0d07ae5..abebbcf 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3614,6 +3614,14 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 		assert_not_reached ();
 	}
 
+	public virtual CCodeExpression get_delegate_target_cvalue (TargetValue value) {
+		return new CCodeInvalidExpression ();
+	}
+
+	public virtual CCodeExpression get_delegate_target_destroy_notify_cvalue (TargetValue value) {
+		return new CCodeInvalidExpression ();
+	}
+
 	public virtual string get_delegate_target_destroy_notify_cname (string delegate_cname) {
 		assert_not_reached ();
 	}
@@ -5793,6 +5801,10 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 		return new CCodeConstant ("");
 	}
 
+	public virtual CCodeExpression get_array_length_cvalue (TargetValue value, int dim = -1) {
+		return new CCodeInvalidExpression ();
+	}
+
 	public virtual string get_array_size_cname (string array_cname) {
 		return "";
 	}
@@ -5809,7 +5821,12 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			return null;
 		}
 		var glib_value = (GLibValue) expr.target_value;
-		return glib_value.ccodenode;
+		return glib_value.cvalue;
+	}
+
+	public CCodeExpression? get_cvalue_ (TargetValue value) {
+		var glib_value = (GLibValue) value;
+		return glib_value.cvalue;
 	}
 
 	public void set_cvalue (Expression expr, CCodeExpression? cvalue) {
@@ -5818,7 +5835,7 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			glib_value = new GLibValue (expr.value_type);
 			expr.target_value = glib_value;
 		}
-		glib_value.ccodenode = cvalue;
+		glib_value.cvalue = cvalue;
 	}
 
 	public CCodeExpression? get_delegate_target (Expression expr) {
@@ -5826,7 +5843,7 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			return null;
 		}
 		var glib_value = (GLibValue) expr.target_value;
-		return glib_value.delegate_target;
+		return glib_value.delegate_target_cvalue;
 	}
 
 	public void set_delegate_target (Expression expr, CCodeExpression? delegate_target) {
@@ -5835,7 +5852,7 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			glib_value = new GLibValue (expr.value_type);
 			expr.target_value = glib_value;
 		}
-		glib_value.delegate_target = delegate_target;
+		glib_value.delegate_target_cvalue = delegate_target;
 	}
 
 	public CCodeExpression? get_delegate_target_destroy_notify (Expression expr) {
@@ -5843,7 +5860,7 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			return null;
 		}
 		var glib_value = (GLibValue) expr.target_value;
-		return glib_value.delegate_target_destroy_notify;
+		return glib_value.delegate_target_destroy_notify_cvalue;
 	}
 
 	public void set_delegate_target_destroy_notify (Expression expr, CCodeExpression destroy_notify) {
@@ -5852,7 +5869,7 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			glib_value = new GLibValue (expr.value_type);
 			expr.target_value = glib_value;
 		}
-		glib_value.delegate_target_destroy_notify = destroy_notify;
+		glib_value.delegate_target_destroy_notify_cvalue = destroy_notify;
 	}
 
 	public void append_array_size (Expression expr, CCodeExpression size) {
@@ -5861,10 +5878,7 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			glib_value = new GLibValue (expr.value_type);
 			expr.target_value = glib_value;
 		}
-		if (glib_value.array_sizes == null) {
-			glib_value.array_sizes = new ArrayList<CCodeExpression> ();
-		}
-		glib_value.array_sizes.add (size);
+		glib_value.append_array_length_cvalue (size);
 	}
 
 	public List<CCodeExpression>? get_array_sizes (Expression expr) {
@@ -5873,20 +5887,27 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			glib_value = new GLibValue (expr.value_type);
 			expr.target_value = glib_value;
 		}
-		return glib_value.array_sizes;
+		return glib_value.array_length_cvalues;
 	}
 }
 
 public class Vala.GLibValue : TargetValue {
-	public CCodeExpression ccodenode;
+	public CCodeExpression cvalue;
 
-	public List<CCodeExpression> array_sizes;
+	public List<CCodeExpression> array_length_cvalues;
 
-	public CCodeExpression? delegate_target;
-	public CCodeExpression? delegate_target_destroy_notify;
+	public CCodeExpression? delegate_target_cvalue;
+	public CCodeExpression? delegate_target_destroy_notify_cvalue;
 
 	public GLibValue (DataType? value_type = null, CCodeExpression? cvalue = null) {
 		base (value_type);
-		this.ccodenode = cvalue;
+		this.cvalue = cvalue;
+	}
+
+	public void append_array_length_cvalue (CCodeExpression length_cvalue) {
+		if (array_length_cvalues == null) {
+			array_length_cvalues = new ArrayList<CCodeExpression> ();
+		}
+		array_length_cvalues.add (length_cvalue);
 	}
 }
diff --git a/codegen/valaccodedelegatemodule.vala b/codegen/valaccodedelegatemodule.vala
index 8fc1610..ff3c5ff 100644
--- a/codegen/valaccodedelegatemodule.vala
+++ b/codegen/valaccodedelegatemodule.vala
@@ -129,9 +129,16 @@ public class Vala.CCodeDelegateModule : CCodeArrayModule {
 	}
 
 	public override CCodeExpression get_delegate_target_cexpression (Expression delegate_expr, out CCodeExpression delegate_target_destroy_notify) {
-		delegate_target_destroy_notify = get_delegate_target_destroy_notify (delegate_expr);
+		delegate_target_destroy_notify = get_delegate_target_destroy_notify_cvalue (delegate_expr.target_value);
+		return get_delegate_target_cvalue (delegate_expr.target_value);
+	}
+
+	public override CCodeExpression get_delegate_target_cvalue (TargetValue value) {
+		return ((GLibValue) value).delegate_target_cvalue;
+	}
 
-		return get_delegate_target (delegate_expr);
+	public override CCodeExpression get_delegate_target_destroy_notify_cvalue (TargetValue value) {
+		return ((GLibValue) value).delegate_target_destroy_notify_cvalue;
 	}
 
 	public override string get_delegate_target_destroy_notify_cname (string delegate_cname) {
diff --git a/codegen/valadovabasemodule.vala b/codegen/valadovabasemodule.vala
index c421cbe..0ae752e 100644
--- a/codegen/valadovabasemodule.vala
+++ b/codegen/valadovabasemodule.vala
@@ -2271,7 +2271,12 @@ public class Vala.DovaBaseModule : CodeGenerator {
 			return null;
 		}
 		var dova_value = (DovaValue) expr.target_value;
-		return dova_value.ccodenode;
+		return dova_value.cvalue;
+	}
+
+	public CCodeExpression? get_cvalue_ (TargetValue value) {
+		var dova_value = (DovaValue) value;
+		return dova_value.cvalue;
 	}
 
 	public void set_cvalue (Expression expr, CCodeExpression? cvalue) {
@@ -2280,15 +2285,15 @@ public class Vala.DovaBaseModule : CodeGenerator {
 			dova_value = new DovaValue (expr.value_type);
 			expr.target_value = dova_value;
 		}
-		dova_value.ccodenode = cvalue;
+		dova_value.cvalue = cvalue;
 	}
 }
 
 public class Vala.DovaValue : TargetValue {
-	public CCodeExpression ccodenode;
+	public CCodeExpression cvalue;
 
 	public DovaValue (DataType? value_type = null, CCodeExpression? cvalue = null) {
 		base (value_type);
-		this.ccodenode = cvalue;
+		this.cvalue = cvalue;
 	}
 }