[vala/wip/transform: 24/44] Add more to_string() methods to expressions

[Luca Bruno <lucabru src gnome org>]

commit 7fc5a97a02ee9b82ec0c74deeed1b7653107bdf7
Author: Luca Bruno <lucabru src gnome org>
Date:   Tue Jan 3 13:03:53 2012 +0100

    Add more to_string() methods to expressions

 vala/valaaddressofexpression.vala     |    4 ++++
 vala/valaarraycreationexpression.vala |   18 ++++++++++++++++++
 vala/valaassignment.vala              |   21 +++++++++++++++++++++
 vala/valacastexpression.vala          |   10 ++++++++++
 vala/valaconditionalexpression.vala   |    4 ++++
 vala/valaelementaccess.vala           |   14 ++++++++++++++
 vala/valainitializerlist.vala         |   14 ++++++++++++++
 7 files changed, 85 insertions(+), 0 deletions(-)
---
diff --git a/vala/valaaddressofexpression.vala b/vala/valaaddressofexpression.vala
index 81123ee..7b4cdc5 100644
--- a/vala/valaaddressofexpression.vala
+++ b/vala/valaaddressofexpression.vala
@@ -62,6 +62,10 @@ public class Vala.AddressofExpression : Expression {
 		inner.accept (visitor);
 	}
 
+	public override string to_string () {
+		return "&" + inner.to_string ();
+	}
+
 	public override void replace_expression (Expression old_node, Expression new_node) {
 		if (inner == old_node) {
 			inner = new_node;
diff --git a/vala/valaarraycreationexpression.vala b/vala/valaarraycreationexpression.vala
index 3b52748..43135b3 100644
--- a/vala/valaarraycreationexpression.vala
+++ b/vala/valaarraycreationexpression.vala
@@ -113,6 +113,24 @@ public class Vala.ArrayCreationExpression : Expression {
 		return false;
 	}
 
+	public override string to_string () {
+		var builder = new StringBuilder ("new ");
+		builder.append_printf ("%s[", element_type.to_string ());
+		bool first = true;
+		foreach (var size in sizes) {
+			if (first) {
+				builder.append (size.to_string ());
+				first = false;
+			} else {
+				builder.append_printf (", %s", size.to_string ());
+			}
+		}
+		if (initializer_list != null) {
+			builder.append (initializer_list.to_string ());
+		}
+		return builder.str;
+	}
+
 	public override void replace_expression (Expression old_node, Expression new_node) {
 		for (int i = 0; i < sizes.size; i++) {
 			if (sizes[i] == old_node) {
diff --git a/vala/valaassignment.vala b/vala/valaassignment.vala
index 41fbcfe..2733a60 100644
--- a/vala/valaassignment.vala
+++ b/vala/valaassignment.vala
@@ -84,6 +84,27 @@ public class Vala.Assignment : Expression {
 		right.accept (visitor);
 	}
 
+	public string get_operator_string () {
+		switch (_operator) {
+		case AssignmentOperator.SIMPLE: return "=";
+		case AssignmentOperator.BITWISE_OR: return "|=";
+		case AssignmentOperator.BITWISE_AND: return "&=";
+		case AssignmentOperator.BITWISE_XOR: return "^=";
+		case AssignmentOperator.ADD: return "+=";
+		case AssignmentOperator.SUB: return "-=";
+		case AssignmentOperator.MUL: return "*=";
+		case AssignmentOperator.DIV: return "/=";
+		case AssignmentOperator.PERCENT: return "%=";
+		case AssignmentOperator.SHIFT_LEFT: return "<<=";
+		case AssignmentOperator.SHIFT_RIGHT: return ">>=";
+		default: assert_not_reached ();
+		}
+	}
+
+	public override string to_string () {
+		return left.to_string () + get_operator_string () + right.to_string ();
+	}
+
 	public override void replace_expression (Expression old_node, Expression new_node) {
 		if (left == old_node) {
 			left = new_node;
diff --git a/vala/valacastexpression.vala b/vala/valacastexpression.vala
index 40ed1ce..0074a79 100644
--- a/vala/valacastexpression.vala
+++ b/vala/valacastexpression.vala
@@ -93,6 +93,16 @@ public class Vala.CastExpression : Expression {
 		}
 	}
 
+	public override string to_string () {
+		if (is_non_null_cast) {
+			return "(!)"+inner.to_string ();
+		} else if (is_silent_cast) {
+			return "%s as %s".printf (inner.to_string (), type_reference.to_string ());
+		} else {
+			return "(%s) %s".printf (type_reference.to_string (), inner.to_string ());
+		}
+	}
+
 	public override void replace_expression (Expression old_node, Expression new_node) {
 		if (inner == old_node) {
 			inner = new_node;
diff --git a/vala/valaconditionalexpression.vala b/vala/valaconditionalexpression.vala
index 486ecbd..7a4fdae 100644
--- a/vala/valaconditionalexpression.vala
+++ b/vala/valaconditionalexpression.vala
@@ -112,6 +112,10 @@ public class Vala.ConditionalExpression : Expression {
 		false_expression.get_used_variables (collection);
 	}
 
+	public override string to_string () {
+		return "%s ? %s : %s".printf (condition.to_string, true_expression.to_string (), false_expression.to_string ());
+	}
+
 	public override void replace_expression (Expression old_node, Expression new_node) {
 		if (condition == old_node) {
 			condition = new_node;
diff --git a/vala/valaelementaccess.vala b/vala/valaelementaccess.vala
index 58f0e4d..3f491f6 100644
--- a/vala/valaelementaccess.vala
+++ b/vala/valaelementaccess.vala
@@ -75,6 +75,20 @@ public class Vala.ElementAccess : Expression {
 		}
 	}
 
+	public override string to_string () {
+		var s = "%s[";
+		bool first = true;
+		foreach (var index in indices) {
+			if (first) {
+				s += index.to_string ();
+				first = false;
+			} else {
+				s += ", %s".printf (index.to_string ());
+			}
+		}
+		return s+"]";
+	}
+
 	public override void replace_expression (Expression old_node, Expression new_node) {
 		if (container == old_node) {
 			container = new_node;
diff --git a/vala/valainitializerlist.vala b/vala/valainitializerlist.vala
index b2350ae..a53e1e5 100644
--- a/vala/valainitializerlist.vala
+++ b/vala/valainitializerlist.vala
@@ -96,6 +96,20 @@ public class Vala.InitializerList : Expression {
 		return true;
 	}
 
+	public override string to_string () {
+		var builder = new StringBuilder ("{");
+		bool first = true;
+		foreach (var initializer in initializers) {
+			if (first) {
+				builder.append (initializer.to_string ());
+				first = false;
+			} else {
+				builder.append_printf (", %s", initializer.to_string ());
+			}
+		}
+		return builder.str;
+	}
+
 	public override void replace_expression (Expression old_node, Expression new_node) {
 		for (int i = 0; i < initializers.size; i++) {
 			if (initializers[i] == old_node) {