using GLib;
-namespace Vala {
- public class CodeGenerator : CodeVisitor {
- public bool memory_management { get; construct; }
-
- Symbol current_symbol;
- Symbol current_type_symbol;
-
- CCodeFragment header_begin;
- CCodeFragment header_type_declaration;
- CCodeFragment header_type_definition;
- CCodeFragment header_type_member_declaration;
- CCodeFragment source_begin;
- CCodeFragment source_include_directives;
- CCodeFragment source_type_member_declaration;
- CCodeFragment source_type_member_definition;
-
- CCodeStruct instance_struct;
- CCodeStruct type_struct;
- CCodeStruct instance_priv_struct;
- CCodeEnum prop_enum;
- CCodeEnum cenum;
- CCodeFunction function;
- CCodeBlock block;
-
- /* all temporary variables */
- List<VariableDeclarator> temp_vars;
- /* temporary variables that own their content */
- List<VariableDeclarator> temp_ref_vars;
-
- private int next_temp_var_id = 0;
-
- public void emit (CodeContext! context) {
- context.find_header_cycles ();
-
- /* we're only interested in non-pkg source files */
- var source_files = context.get_source_files ();
- foreach (SourceFile file in source_files) {
- if (!file.pkg) {
- file.accept (this);
- }
+/**
+ * Code visitor generating C Code.
+ */
+public class Vala.CodeGenerator : CodeVisitor {
+ /**
+ * Specifies whether automatic memory management is active.
+ */
+ public bool memory_management { get; set; }
+
+ Symbol current_symbol;
+ Symbol current_type_symbol;
+
+ CCodeFragment header_begin;
+ CCodeFragment header_type_declaration;
+ CCodeFragment header_type_definition;
+ CCodeFragment header_type_member_declaration;
+ CCodeFragment source_begin;
+ CCodeFragment source_include_directives;
+ CCodeFragment source_type_member_declaration;
+ CCodeFragment source_type_member_definition;
+
+ CCodeStruct instance_struct;
+ CCodeStruct type_struct;
+ CCodeStruct instance_priv_struct;
+ CCodeEnum prop_enum;
+ CCodeEnum cenum;
+ CCodeFunction function;
+ CCodeBlock block;
+
+ /* all temporary variables */
+ List<VariableDeclarator> temp_vars;
+ /* temporary variables that own their content */
+ List<VariableDeclarator> temp_ref_vars;
+
+ private int next_temp_var_id = 0;
+
+ /**
+ * Generate and emit C code for the specified code context.
+ *
+ * @param context a code context
+ */
+ public void emit (CodeContext! context) {
+ context.find_header_cycles ();
+
+ /* we're only interested in non-pkg source files */
+ var source_files = context.get_source_files ();
+ foreach (SourceFile file in source_files) {
+ if (!file.pkg) {
+ file.accept (this);
}
}
-
- public override void visit_begin_source_file (SourceFile! source_file) {
- header_begin = new CCodeFragment ();
- header_type_declaration = new CCodeFragment ();
- header_type_definition = new CCodeFragment ();
- header_type_member_declaration = new CCodeFragment ();
- source_begin = new CCodeFragment ();
- source_include_directives = new CCodeFragment ();
- source_type_member_declaration = new CCodeFragment ();
- source_type_member_definition = new CCodeFragment ();
-
- next_temp_var_id = 0;
-
- header_begin.append (new CCodeIncludeDirective (filename = "glib.h"));
- source_include_directives.append (new CCodeIncludeDirective (filename = source_file.get_cheader_filename ()));
-
- ref List<string> used_includes = null;
- used_includes.append ("glib.h");
- used_includes.append (source_file.get_cheader_filename ());
-
- foreach (string filename1 in source_file.header_external_includes) {
- if (used_includes.find_custom (filename1, strcmp) == null) {
- header_begin.append (new CCodeIncludeDirective (filename = filename1));
- used_includes.append (filename1);
- }
+ }
+
+ public override void visit_begin_source_file (SourceFile! source_file) {
+ header_begin = new CCodeFragment ();
+ header_type_declaration = new CCodeFragment ();
+ header_type_definition = new CCodeFragment ();
+ header_type_member_declaration = new CCodeFragment ();
+ source_begin = new CCodeFragment ();
+ source_include_directives = new CCodeFragment ();
+ source_type_member_declaration = new CCodeFragment ();
+ source_type_member_definition = new CCodeFragment ();
+
+ next_temp_var_id = 0;
+
+ header_begin.append (new CCodeIncludeDirective (filename = "glib.h"));
+ source_include_directives.append (new CCodeIncludeDirective (filename = source_file.get_cheader_filename ()));
+
+ ref List<string> used_includes = null;
+ used_includes.append ("glib.h");
+ used_includes.append (source_file.get_cheader_filename ());
+
+ foreach (string filename1 in source_file.header_external_includes) {
+ if (used_includes.find_custom (filename1, strcmp) == null) {
+ header_begin.append (new CCodeIncludeDirective (filename = filename1));
+ used_includes.append (filename1);
}
- foreach (string filename2 in source_file.header_internal_includes) {
- if (used_includes.find_custom (filename2, strcmp) == null) {
- header_begin.append (new CCodeIncludeDirective (filename = filename2));
- used_includes.append (filename2);
- }
+ }
+ foreach (string filename2 in source_file.header_internal_includes) {
+ if (used_includes.find_custom (filename2, strcmp) == null) {
+ header_begin.append (new CCodeIncludeDirective (filename = filename2));
+ used_includes.append (filename2);
}
- foreach (string filename3 in source_file.source_includes) {
- if (used_includes.find_custom (filename3, strcmp) == null) {
- source_include_directives.append (new CCodeIncludeDirective (filename = filename3));
- used_includes.append (filename3);
- }
+ }
+ foreach (string filename3 in source_file.source_includes) {
+ if (used_includes.find_custom (filename3, strcmp) == null) {
+ source_include_directives.append (new CCodeIncludeDirective (filename = filename3));
+ used_includes.append (filename3);
}
- if (source_file.is_cycle_head) {
- foreach (SourceFile cycle_file in source_file.cycle.files) {
- var namespaces = cycle_file.get_namespaces ();
- foreach (Namespace ns in namespaces) {
- var structs = ns.get_structs ();
- foreach (Struct st in structs) {
- header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct _%s".printf (st.get_cname ()), declarator = new CCodeVariableDeclarator (name = st.get_cname ())));
- }
- var classes = ns.get_classes ();
- foreach (Class cl in classes) {
- header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct _%s".printf (cl.get_cname ()), declarator = new CCodeVariableDeclarator (name = cl.get_cname ())));
- header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct _%sClass".printf (cl.get_cname ()), declarator = new CCodeVariableDeclarator (name = "%sClass".printf (cl.get_cname ()))));
- }
+ }
+ if (source_file.is_cycle_head) {
+ foreach (SourceFile cycle_file in source_file.cycle.files) {
+ var namespaces = cycle_file.get_namespaces ();
+ foreach (Namespace ns in namespaces) {
+ var structs = ns.get_structs ();
+ foreach (Struct st in structs) {
+ header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct _%s".printf (st.get_cname ()), declarator = new CCodeVariableDeclarator (name = st.get_cname ())));
+ }
+ var classes = ns.get_classes ();
+ foreach (Class cl in classes) {
+ header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct _%s".printf (cl.get_cname ()), declarator = new CCodeVariableDeclarator (name = cl.get_cname ())));
+ header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct _%sClass".printf (cl.get_cname ()), declarator = new CCodeVariableDeclarator (name = "%sClass".printf (cl.get_cname ()))));
}
}
}
}
+ }
+
+ private static ref string get_define_for_filename (string! filename) {
+ var define = String.new ("__");
- private static ref string get_define_for_filename (string! filename) {
- var define = String.new ("__");
-
- var i = filename;
- while (i.len () > 0) {
- var c = i.get_char ();
- /* FIXME: remove explicit cast when implicit cast works */
- if (c.isalnum () && c < (unichar) 128) {
- define.append_unichar (c.toupper ());
- } else {
- define.append_c ('_');
- }
-
- i = i.next_char ();
+ var i = filename;
+ while (i.len () > 0) {
+ var c = i.get_char ();
+ /* FIXME: remove explicit cast when implicit cast works */
+ if (c.isalnum () && c < (unichar) 128) {
+ define.append_unichar (c.toupper ());
+ } else {
+ define.append_c ('_');
}
-
- define.append ("__");
-
- return define.str;
+
+ i = i.next_char ();
}
- public override void visit_end_source_file (SourceFile! source_file) {
- var header_define = get_define_for_filename (source_file.get_cheader_filename ());
-
- CCodeComment comment = null;
- if (source_file.comment != null) {
- comment = new CCodeComment (text = source_file.comment);
- }
-
- var writer = new CCodeWriter (filename = source_file.get_cheader_filename ());
- if (comment != null) {
- comment.write (writer);
- }
- writer.write_newline ();
- var once = new CCodeOnceSection (define = header_define);
- once.append (new CCodeNewline ());
- once.append (header_begin);
- once.append (new CCodeNewline ());
- once.append (new CCodeIdentifier (name = "G_BEGIN_DECLS"));
- once.append (new CCodeNewline ());
- once.append (new CCodeNewline ());
- once.append (header_type_declaration);
- once.append (new CCodeNewline ());
- once.append (header_type_definition);
- once.append (new CCodeNewline ());
- once.append (header_type_member_declaration);
- once.append (new CCodeNewline ());
- once.append (new CCodeIdentifier (name = "G_END_DECLS"));
- once.append (new CCodeNewline ());
- once.append (new CCodeNewline ());
- once.write (writer);
- writer.close ();
-
- writer = new CCodeWriter (filename = source_file.get_csource_filename ());
- if (comment != null) {
- comment.write (writer);
- }
- source_begin.write (writer);
- writer.write_newline ();
- source_include_directives.write (writer);
- writer.write_newline ();
- source_type_member_declaration.write (writer);
- writer.write_newline ();
- source_type_member_definition.write (writer);
- writer.write_newline ();
- writer.close ();
-
- header_begin = null;
- header_type_declaration = null;
- header_type_definition = null;
- header_type_member_declaration = null;
- source_begin = null;
- source_include_directives = null;
- source_type_member_declaration = null;
- source_type_member_definition = null;
- }
-
- public override void visit_begin_class (Class! cl) {
- current_symbol = cl.symbol;
- current_type_symbol = cl.symbol;
-
- instance_struct = new CCodeStruct (name = "_%s".printf (cl.get_cname ()));
- type_struct = new CCodeStruct (name = "_%sClass".printf (cl.get_cname ()));
- instance_priv_struct = new CCodeStruct (name = "_%sPrivate".printf (cl.get_cname ()));
- prop_enum = new CCodeEnum ();
- prop_enum.add_value ("%s_DUMMY_PROPERTY".printf (cl.get_upper_case_cname (null)), null);
-
-
- header_type_declaration.append (new CCodeNewline ());
- var macro = "(%s_get_type ())".printf (cl.get_lower_case_cname (null));
- header_type_declaration.append (new CCodeMacroReplacement (name = cl.get_upper_case_cname ("TYPE_"), replacement = macro));
+ define.append ("__");
+
+ return define.str;
+ }
+
+ public override void visit_end_source_file (SourceFile! source_file) {
+ var header_define = get_define_for_filename (source_file.get_cheader_filename ());
+
+ CCodeComment comment = null;
+ if (source_file.comment != null) {
+ comment = new CCodeComment (text = source_file.comment);
+ }
+
+ var writer = new CCodeWriter (filename = source_file.get_cheader_filename ());
+ if (comment != null) {
+ comment.write (writer);
+ }
+ writer.write_newline ();
+ var once = new CCodeOnceSection (define = header_define);
+ once.append (new CCodeNewline ());
+ once.append (header_begin);
+ once.append (new CCodeNewline ());
+ once.append (new CCodeIdentifier (name = "G_BEGIN_DECLS"));
+ once.append (new CCodeNewline ());
+ once.append (new CCodeNewline ());
+ once.append (header_type_declaration);
+ once.append (new CCodeNewline ());
+ once.append (header_type_definition);
+ once.append (new CCodeNewline ());
+ once.append (header_type_member_declaration);
+ once.append (new CCodeNewline ());
+ once.append (new CCodeIdentifier (name = "G_END_DECLS"));
+ once.append (new CCodeNewline ());
+ once.append (new CCodeNewline ());
+ once.write (writer);
+ writer.close ();
+
+ writer = new CCodeWriter (filename = source_file.get_csource_filename ());
+ if (comment != null) {
+ comment.write (writer);
+ }
+ source_begin.write (writer);
+ writer.write_newline ();
+ source_include_directives.write (writer);
+ writer.write_newline ();
+ source_type_member_declaration.write (writer);
+ writer.write_newline ();
+ source_type_member_definition.write (writer);
+ writer.write_newline ();
+ writer.close ();
+
+ header_begin = null;
+ header_type_declaration = null;
+ header_type_definition = null;
+ header_type_member_declaration = null;
+ source_begin = null;
+ source_include_directives = null;
+ source_type_member_declaration = null;
+ source_type_member_definition = null;
+ }
- macro = "(G_TYPE_CHECK_INSTANCE_CAST ((obj), %s, %s))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
- header_type_declaration.append (new CCodeMacroReplacement (name = "%s(obj)".printf (cl.get_upper_case_cname (null)), replacement = macro));
+ public override void visit_begin_class (Class! cl) {
+ current_symbol = cl.symbol;
+ current_type_symbol = cl.symbol;
- macro = "(G_TYPE_CHECK_CLASS_CAST ((klass), %s, %sClass))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
- header_type_declaration.append (new CCodeMacroReplacement (name = "%s_CLASS(klass)".printf (cl.get_upper_case_cname (null)), replacement = macro));
+ instance_struct = new CCodeStruct (name = "_%s".printf (cl.get_cname ()));
+ type_struct = new CCodeStruct (name = "_%sClass".printf (cl.get_cname ()));
+ instance_priv_struct = new CCodeStruct (name = "_%sPrivate".printf (cl.get_cname ()));
+ prop_enum = new CCodeEnum ();
+ prop_enum.add_value ("%s_DUMMY_PROPERTY".printf (cl.get_upper_case_cname (null)), null);
+
+
+ header_type_declaration.append (new CCodeNewline ());
+ var macro = "(%s_get_type ())".printf (cl.get_lower_case_cname (null));
+ header_type_declaration.append (new CCodeMacroReplacement (name = cl.get_upper_case_cname ("TYPE_"), replacement = macro));
- macro = "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), %s))".printf (cl.get_upper_case_cname ("TYPE_"));
- header_type_declaration.append (new CCodeMacroReplacement (name = "%s(obj)".printf (cl.get_upper_case_cname ("IS_")), replacement = macro));
+ macro = "(G_TYPE_CHECK_INSTANCE_CAST ((obj), %s, %s))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
+ header_type_declaration.append (new CCodeMacroReplacement (name = "%s(obj)".printf (cl.get_upper_case_cname (null)), replacement = macro));
- macro = "(G_TYPE_CHECK_CLASS_TYPE ((klass), %s))".printf (cl.get_upper_case_cname ("TYPE_"));
- header_type_declaration.append (new CCodeMacroReplacement (name = "%s_CLASS(klass)".printf (cl.get_upper_case_cname ("IS_")), replacement = macro));
+ macro = "(G_TYPE_CHECK_CLASS_CAST ((klass), %s, %sClass))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
+ header_type_declaration.append (new CCodeMacroReplacement (name = "%s_CLASS(klass)".printf (cl.get_upper_case_cname (null)), replacement = macro));
- macro = "(G_TYPE_INSTANCE_GET_CLASS ((obj), %s, %sClass))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
- header_type_declaration.append (new CCodeMacroReplacement (name = "%s_GET_CLASS(obj)".printf (cl.get_upper_case_cname (null)), replacement = macro));
- header_type_declaration.append (new CCodeNewline ());
+ macro = "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), %s))".printf (cl.get_upper_case_cname ("TYPE_"));
+ header_type_declaration.append (new CCodeMacroReplacement (name = "%s(obj)".printf (cl.get_upper_case_cname ("IS_")), replacement = macro));
+ macro = "(G_TYPE_CHECK_CLASS_TYPE ((klass), %s))".printf (cl.get_upper_case_cname ("TYPE_"));
+ header_type_declaration.append (new CCodeMacroReplacement (name = "%s_CLASS(klass)".printf (cl.get_upper_case_cname ("IS_")), replacement = macro));
- if (cl.source_reference.file.cycle == null) {
- header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct %s".printf (instance_struct.name), declarator = new CCodeVariableDeclarator (name = cl.get_cname ())));
- header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct %s".printf (type_struct.name), declarator = new CCodeVariableDeclarator (name = "%sClass".printf (cl.get_cname ()))));
- }
- header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct %s".printf (instance_priv_struct.name), declarator = new CCodeVariableDeclarator (name = "%sPrivate".printf (cl.get_cname ()))));
-
- instance_struct.add_field (cl.base_class.get_cname (), "parent");
- instance_struct.add_field ("%sPrivate *".printf (cl.get_cname ()), "priv");
- type_struct.add_field ("%sClass".printf (cl.base_class.get_cname ()), "parent");
+ macro = "(G_TYPE_INSTANCE_GET_CLASS ((obj), %s, %sClass))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
+ header_type_declaration.append (new CCodeMacroReplacement (name = "%s_GET_CLASS(obj)".printf (cl.get_upper_case_cname (null)), replacement = macro));
+ header_type_declaration.append (new CCodeNewline ());
- if (cl.source_reference.comment != null) {
- header_type_definition.append (new CCodeComment (text = cl.source_reference.comment));
- }
- header_type_definition.append (instance_struct);
- header_type_definition.append (type_struct);
- source_type_member_declaration.append (instance_priv_struct);
- macro = "(G_TYPE_INSTANCE_GET_PRIVATE ((o), %s, %sPrivate))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
- source_type_member_declaration.append (new CCodeMacroReplacement (name = "%s_GET_PRIVATE(o)".printf (cl.get_upper_case_cname (null)), replacement = macro));
- source_type_member_declaration.append (prop_enum);
- }
-
- public override void visit_end_class (Class! cl) {
- add_get_property_function (cl);
- add_set_property_function (cl);
- add_class_init_function (cl);
- add_instance_init_function (cl);
- if (memory_management) {
- add_dispose_function (cl);
- }
-
- var type_fun = new ClassRegisterFunction (class_reference = cl);
- type_fun.init_from_type ();
- header_type_member_declaration.append (type_fun.get_declaration ());
- source_type_member_definition.append (type_fun);
- current_type_symbol = null;
+ if (cl.source_reference.file.cycle == null) {
+ header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct %s".printf (instance_struct.name), declarator = new CCodeVariableDeclarator (name = cl.get_cname ())));
+ header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct %s".printf (type_struct.name), declarator = new CCodeVariableDeclarator (name = "%sClass".printf (cl.get_cname ()))));
}
+ header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct %s".printf (instance_priv_struct.name), declarator = new CCodeVariableDeclarator (name = "%sPrivate".printf (cl.get_cname ()))));
- private void add_class_init_function (Class! cl) {
- var class_init = new CCodeFunction (name = "%s_class_init".printf (cl.get_lower_case_cname (null)), return_type = "void");
- class_init.add_parameter (new CCodeFormalParameter (type_name = "%sClass *".printf (cl.get_cname ()), name = "klass"));
- class_init.modifiers = CCodeModifiers.STATIC;
-
- var init_block = new CCodeBlock ();
- class_init.block = init_block;
-
- ref CCodeFunctionCall ccall;
-
- if (cl.has_private_fields) {
- ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_add_private"));
- ccall.add_argument (new CCodeIdentifier (name = "klass"));
- ccall.add_argument (new CCodeConstant (name = "sizeof (%sPrivate)".printf (cl.get_cname ())));
- init_block.add_statement (new CCodeExpressionStatement (expression = ccall));
- }
-
- ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
+ instance_struct.add_field (cl.base_class.get_cname (), "parent");
+ instance_struct.add_field ("%sPrivate *".printf (cl.get_cname ()), "priv");
+ type_struct.add_field ("%sClass".printf (cl.base_class.get_cname ()), "parent");
+
+ if (cl.source_reference.comment != null) {
+ header_type_definition.append (new CCodeComment (text = cl.source_reference.comment));
+ }
+ header_type_definition.append (instance_struct);
+ header_type_definition.append (type_struct);
+ source_type_member_declaration.append (instance_priv_struct);
+ macro = "(G_TYPE_INSTANCE_GET_PRIVATE ((o), %s, %sPrivate))".printf (cl.get_upper_case_cname ("TYPE_"), cl.get_cname ());
+ source_type_member_declaration.append (new CCodeMacroReplacement (name = "%s_GET_PRIVATE(o)".printf (cl.get_upper_case_cname (null)), replacement = macro));
+ source_type_member_declaration.append (prop_enum);
+ }
+
+ public override void visit_end_class (Class! cl) {
+ add_get_property_function (cl);
+ add_set_property_function (cl);
+ add_class_init_function (cl);
+ add_instance_init_function (cl);
+ if (memory_management) {
+ add_dispose_function (cl);
+ }
+
+ var type_fun = new ClassRegisterFunction (class_reference = cl);
+ type_fun.init_from_type ();
+ header_type_member_declaration.append (type_fun.get_declaration ());
+ source_type_member_definition.append (type_fun);
+
+ current_type_symbol = null;
+ }
+
+ private void add_class_init_function (Class! cl) {
+ var class_init = new CCodeFunction (name = "%s_class_init".printf (cl.get_lower_case_cname (null)), return_type = "void");
+ class_init.add_parameter (new CCodeFormalParameter (type_name = "%sClass *".printf (cl.get_cname ()), name = "klass"));
+ class_init.modifiers = CCodeModifiers.STATIC;
+
+ var init_block = new CCodeBlock ();
+ class_init.block = init_block;
+
+ ref CCodeFunctionCall ccall;
+
+ if (cl.has_private_fields) {
+ ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_add_private"));
ccall.add_argument (new CCodeIdentifier (name = "klass"));
- init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccall, member_name = "get_property", is_pointer = true), right = new CCodeIdentifier (name = "%s_get_property".printf (cl.get_lower_case_cname (null))))));
- init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccall, member_name = "set_property", is_pointer = true), right = new CCodeIdentifier (name = "%s_set_property".printf (cl.get_lower_case_cname (null))))));
+ ccall.add_argument (new CCodeConstant (name = "sizeof (%sPrivate)".printf (cl.get_cname ())));
+ init_block.add_statement (new CCodeExpressionStatement (expression = ccall));
+ }
+
+ ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
+ ccall.add_argument (new CCodeIdentifier (name = "klass"));
+ init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccall, member_name = "get_property", is_pointer = true), right = new CCodeIdentifier (name = "%s_get_property".printf (cl.get_lower_case_cname (null))))));
+ init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccall, member_name = "set_property", is_pointer = true), right = new CCodeIdentifier (name = "%s_set_property".printf (cl.get_lower_case_cname (null))))));
+
+ if (cl.constructor != null) {
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
+ ccast.add_argument (new CCodeIdentifier (name = "klass"));
+ init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccast, member_name = "constructor", is_pointer = true), right = new CCodeIdentifier (name = "%s_constructor".printf (cl.get_lower_case_cname (null))))));
+ }
+
+ if (memory_management && cl.get_fields () != null) {
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
+ ccast.add_argument (new CCodeIdentifier (name = "klass"));
+ init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccast, member_name = "dispose", is_pointer = true), right = new CCodeIdentifier (name = "%s_dispose".printf (cl.get_lower_case_cname (null))))));
+ }
+
+ var methods = cl.get_methods ();
+ foreach (Method m in methods) {
+ if (m.is_virtual || m.is_override) {
+ var base_type = m.base_method.symbol.parent_symbol.node;
- if (cl.constructor != null) {
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_CLASS".printf (((Class) base_type).get_upper_case_cname (null))));
ccast.add_argument (new CCodeIdentifier (name = "klass"));
- init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccast, member_name = "constructor", is_pointer = true), right = new CCodeIdentifier (name = "%s_constructor".printf (cl.get_lower_case_cname (null))))));
+ init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccast, member_name = m.name, is_pointer = true), right = new CCodeIdentifier (name = m.get_real_cname ()))));
}
-
- if (memory_management && cl.get_fields () != null) {
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
- ccast.add_argument (new CCodeIdentifier (name = "klass"));
- init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccast, member_name = "dispose", is_pointer = true), right = new CCodeIdentifier (name = "%s_dispose".printf (cl.get_lower_case_cname (null))))));
+ }
+
+ var props = cl.get_properties ();
+ foreach (Property prop in props) {
+ var cinst = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_object_class_install_property"));
+ cinst.add_argument (ccall);
+ cinst.add_argument (new CCodeConstant (name = prop.get_upper_case_cname ()));
+ var cspec = new CCodeFunctionCall ();
+ cspec.add_argument (prop.get_canonical_cconstant ());
+ cspec.add_argument (new CCodeConstant (name = "\"foo\""));
+ cspec.add_argument (new CCodeConstant (name = "\"bar\""));
+ if (prop.type_reference.type is Class) {
+ cspec.call = new CCodeIdentifier (name = "g_param_spec_object");
+ cspec.add_argument (new CCodeIdentifier (name = prop.type_reference.type.get_upper_case_cname ("TYPE_")));
+ } else if (prop.type_reference.type_name == "string") {
+ cspec.call = new CCodeIdentifier (name = "g_param_spec_string");
+ cspec.add_argument (new CCodeConstant (name = "NULL"));
+ } else if (prop.type_reference.type_name == "int"
+ || prop.type_reference.type is Enum) {
+ cspec.call = new CCodeIdentifier (name = "g_param_spec_int");
+ cspec.add_argument (new CCodeConstant (name = "G_MININT"));
+ cspec.add_argument (new CCodeConstant (name = "G_MAXINT"));
+ cspec.add_argument (new CCodeConstant (name = "0"));
+ } else if (prop.type_reference.type_name == "bool") {
+ cspec.call = new CCodeIdentifier (name = "g_param_spec_boolean");
+ cspec.add_argument (new CCodeConstant (name = "FALSE"));
+ } else {
+ cspec.call = new CCodeIdentifier (name = "g_param_spec_pointer");
}
- var methods = cl.get_methods ();
- foreach (Method m in methods) {
- if (m.is_virtual || m.is_override) {
- var base_type = m.base_method.symbol.parent_symbol.node;
-
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_CLASS".printf (((Class) base_type).get_upper_case_cname (null))));
- ccast.add_argument (new CCodeIdentifier (name = "klass"));
- init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = ccast, member_name = m.name, is_pointer = true), right = new CCodeIdentifier (name = m.get_real_cname ()))));
- }
+ var pflags = "G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB";
+ if (prop.get_accessor != null) {
+ pflags = "%s%s".printf (pflags, " | G_PARAM_READABLE");
}
-
- var props = cl.get_properties ();
- foreach (Property prop in props) {
- var cinst = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_object_class_install_property"));
- cinst.add_argument (ccall);
- cinst.add_argument (new CCodeConstant (name = prop.get_upper_case_cname ()));
- var cspec = new CCodeFunctionCall ();
- cspec.add_argument (prop.get_canonical_cconstant ());
- cspec.add_argument (new CCodeConstant (name = "\"foo\""));
- cspec.add_argument (new CCodeConstant (name = "\"bar\""));
- if (prop.type_reference.type is Class) {
- cspec.call = new CCodeIdentifier (name = "g_param_spec_object");
- cspec.add_argument (new CCodeIdentifier (name = prop.type_reference.type.get_upper_case_cname ("TYPE_")));
- } else if (prop.type_reference.type_name == "string") {
- cspec.call = new CCodeIdentifier (name = "g_param_spec_string");
- cspec.add_argument (new CCodeConstant (name = "NULL"));
- } else if (prop.type_reference.type_name == "int"
- || prop.type_reference.type is Enum) {
- cspec.call = new CCodeIdentifier (name = "g_param_spec_int");
- cspec.add_argument (new CCodeConstant (name = "G_MININT"));
- cspec.add_argument (new CCodeConstant (name = "G_MAXINT"));
- cspec.add_argument (new CCodeConstant (name = "0"));
- } else if (prop.type_reference.type_name == "bool") {
- cspec.call = new CCodeIdentifier (name = "g_param_spec_boolean");
- cspec.add_argument (new CCodeConstant (name = "FALSE"));
- } else {
- cspec.call = new CCodeIdentifier (name = "g_param_spec_pointer");
- }
-
- var pflags = "G_PARAM_STATIC_NAME | G_PARAM_STATIC_NICK | G_PARAM_STATIC_BLURB";
- if (prop.get_accessor != null) {
- pflags = "%s%s".printf (pflags, " | G_PARAM_READABLE");
- }
- if (prop.set_accessor != null) {
- pflags = "%s%s".printf (pflags, " | G_PARAM_WRITABLE");
- if (prop.set_accessor.construct_) {
- if (prop.set_accessor.writable) {
- pflags = "%s%s".printf (pflags, " | G_PARAM_CONSTRUCT");
- } else {
- pflags = "%s%s".printf (pflags, " | G_PARAM_CONSTRUCT_ONLY");
- }
+ if (prop.set_accessor != null) {
+ pflags = "%s%s".printf (pflags, " | G_PARAM_WRITABLE");
+ if (prop.set_accessor.construct_) {
+ if (prop.set_accessor.writable) {
+ pflags = "%s%s".printf (pflags, " | G_PARAM_CONSTRUCT");
+ } else {
+ pflags = "%s%s".printf (pflags, " | G_PARAM_CONSTRUCT_ONLY");
}
}
- cspec.add_argument (new CCodeConstant (name = pflags));
- cinst.add_argument (cspec);
-
- init_block.add_statement (new CCodeExpressionStatement (expression = cinst));
}
+ cspec.add_argument (new CCodeConstant (name = pflags));
+ cinst.add_argument (cspec);
- source_type_member_definition.append (class_init);
+ init_block.add_statement (new CCodeExpressionStatement (expression = cinst));
}
- private void add_instance_init_function (Class! cl) {
- var instance_init = new CCodeFunction (name = "%s_init".printf (cl.get_lower_case_cname (null)), return_type = "void");
- instance_init.add_parameter (new CCodeFormalParameter (type_name = "%s *".printf (cl.get_cname ()), name = "self"));
- instance_init.modifiers = CCodeModifiers.STATIC;
-
- var init_block = new CCodeBlock ();
- instance_init.block = init_block;
-
- if (cl.has_private_fields) {
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_GET_PRIVATE".printf (cl.get_upper_case_cname (null))));
- ccall.add_argument (new CCodeIdentifier (name = "self"));
- init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "self"), member_name = "priv", is_pointer = true), right = ccall)));
- }
-
- var fields = cl.get_fields ();
- foreach (Field f in fields) {
- if (f.initializer != null) {
- ref CCodeExpression lhs = null;
- if (f.instance) {
- if (f.access == MemberAccessibility.PRIVATE) {
- lhs = new CCodeMemberAccess (inner = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "self"), member_name = "priv", is_pointer = true), member_name = f.get_cname (), is_pointer = true);
- } else {
- lhs = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "self"), member_name = f.get_cname (), is_pointer = true);
- }
- } /* else {
- lhs = new CCodeIdentifier (name = "%s_%s".printf (cl.get_lower_case_cname (null), f.get_cname ()));
- } */
- if (lhs != null) {
- init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = lhs, right = f.initializer.ccodenode)));
+ source_type_member_definition.append (class_init);
+ }
+
+ private void add_instance_init_function (Class! cl) {
+ var instance_init = new CCodeFunction (name = "%s_init".printf (cl.get_lower_case_cname (null)), return_type = "void");
+ instance_init.add_parameter (new CCodeFormalParameter (type_name = "%s *".printf (cl.get_cname ()), name = "self"));
+ instance_init.modifiers = CCodeModifiers.STATIC;
+
+ var init_block = new CCodeBlock ();
+ instance_init.block = init_block;
+
+ if (cl.has_private_fields) {
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_GET_PRIVATE".printf (cl.get_upper_case_cname (null))));
+ ccall.add_argument (new CCodeIdentifier (name = "self"));
+ init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "self"), member_name = "priv", is_pointer = true), right = ccall)));
+ }
+
+ var fields = cl.get_fields ();
+ foreach (Field f in fields) {
+ if (f.initializer != null) {
+ ref CCodeExpression lhs = null;
+ if (f.instance) {
+ if (f.access == MemberAccessibility.PRIVATE) {
+ lhs = new CCodeMemberAccess (inner = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "self"), member_name = "priv", is_pointer = true), member_name = f.get_cname (), is_pointer = true);
+ } else {
+ lhs = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "self"), member_name = f.get_cname (), is_pointer = true);
}
+ } /* else {
+ lhs = new CCodeIdentifier (name = "%s_%s".printf (cl.get_lower_case_cname (null), f.get_cname ()));
+ } */
+ if (lhs != null) {
+ init_block.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = lhs, right = f.initializer.ccodenode)));
}
}
-
- var init_sym = cl.symbol.lookup ("init");
- if (init_sym != null) {
- var init_fun = (Method) init_sym.node;
- init_block.add_statement (init_fun.body.ccodenode);
- }
-
- source_type_member_definition.append (instance_init);
}
- private void add_dispose_function (Class! cl) {
- function = new CCodeFunction (name = "%s_dispose".printf (cl.get_lower_case_cname (null)), return_type = "void");
- function.modifiers = CCodeModifiers.STATIC;
-
- function.add_parameter (new CCodeFormalParameter (name = "obj", type_name = "GObject *"));
-
- source_type_member_declaration.append (function.copy ());
-
+ var init_sym = cl.symbol.lookup ("init");
+ if (init_sym != null) {
+ var init_fun = (Method) init_sym.node;
+ init_block.add_statement (init_fun.body.ccodenode);
+ }
+
+ source_type_member_definition.append (instance_init);
+ }
+
+ private void add_dispose_function (Class! cl) {
+ function = new CCodeFunction (name = "%s_dispose".printf (cl.get_lower_case_cname (null)), return_type = "void");
+ function.modifiers = CCodeModifiers.STATIC;
+
+ function.add_parameter (new CCodeFormalParameter (name = "obj", type_name = "GObject *"));
+
+ source_type_member_declaration.append (function.copy ());
- var cblock = new CCodeBlock ();
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
- ccall.add_argument (new CCodeIdentifier (name = "obj"));
-
- var cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
-
- cblock.add_statement (cdecl);
-
-
- var fields = cl.get_fields ();
- foreach (Field f in fields) {
- if (f.instance && f.type_reference.is_lvalue_ref) {
- var cself = new CCodeIdentifier (name = "self");
- CCodeExpression cstruct = cself;
- if (f.access == MemberAccessibility.PRIVATE) {
- cstruct = new CCodeMemberAccess (inner = cself, member_name = "priv", is_pointer = true);
- }
- var cfield = new CCodeMemberAccess (inner = cstruct, member_name = f.get_cname (), is_pointer = true);
+ var cblock = new CCodeBlock ();
- cblock.add_statement (new CCodeExpressionStatement (expression = get_unref_expression (cfield, f.type_reference)));
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
+ ccall.add_argument (new CCodeIdentifier (name = "obj"));
+
+ var cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
+
+ cblock.add_statement (cdecl);
+
+
+ var fields = cl.get_fields ();
+ foreach (Field f in fields) {
+ if (f.instance && f.type_reference.is_lvalue_ref) {
+ var cself = new CCodeIdentifier (name = "self");
+ CCodeExpression cstruct = cself;
+ if (f.access == MemberAccessibility.PRIVATE) {
+ cstruct = new CCodeMemberAccess (inner = cself, member_name = "priv", is_pointer = true);
}
- }
+ var cfield = new CCodeMemberAccess (inner = cstruct, member_name = f.get_cname (), is_pointer = true);
+ cblock.add_statement (new CCodeExpressionStatement (expression = get_unref_expression (cfield, f.type_reference)));
+ }
+ }
- cdecl = new CCodeDeclaration (type_name = "%sClass *".printf (cl.get_cname ()));
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "klass"));
- cblock.add_statement (cdecl);
- cdecl = new CCodeDeclaration (type_name = "GObjectClass *");
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "parent_class"));
- cblock.add_statement (cdecl);
-
-
- ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_peek"));
- ccall.add_argument (new CCodeIdentifier (name = cl.get_upper_case_cname ("TYPE_")));
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_CLASS".printf (cl.get_upper_case_cname (null))));
- ccast.add_argument (ccall);
- cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "klass"), right = ccast)));
+ cdecl = new CCodeDeclaration (type_name = "%sClass *".printf (cl.get_cname ()));
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "klass"));
+ cblock.add_statement (cdecl);
- ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_peek_parent"));
- ccall.add_argument (new CCodeIdentifier (name = "klass"));
- ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
- ccast.add_argument (ccall);
- cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "parent_class"), right = ccast)));
+ cdecl = new CCodeDeclaration (type_name = "GObjectClass *");
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "parent_class"));
+ cblock.add_statement (cdecl);
-
- ccall = new CCodeFunctionCall (call = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "parent_class"), member_name = "dispose", is_pointer = true));
- ccall.add_argument (new CCodeIdentifier (name = "obj"));
- cblock.add_statement (new CCodeExpressionStatement (expression = ccall));
+ ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_peek"));
+ ccall.add_argument (new CCodeIdentifier (name = cl.get_upper_case_cname ("TYPE_")));
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_CLASS".printf (cl.get_upper_case_cname (null))));
+ ccast.add_argument (ccall);
+ cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "klass"), right = ccast)));
- function.block = cblock;
+ ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_peek_parent"));
+ ccall.add_argument (new CCodeIdentifier (name = "klass"));
+ ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
+ ccast.add_argument (ccall);
+ cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "parent_class"), right = ccast)));
- source_type_member_definition.append (function);
- }
- private void add_get_property_function (Class! cl) {
- var get_prop = new CCodeFunction (name = "%s_get_property".printf (cl.get_lower_case_cname (null)), return_type = "void");
- get_prop.add_parameter (new CCodeFormalParameter (type_name = "GObject *", name = "object"));
- get_prop.add_parameter (new CCodeFormalParameter (type_name = "guint", name = "property_id"));
- get_prop.add_parameter (new CCodeFormalParameter (type_name = "GValue *", name = "value"));
- get_prop.add_parameter (new CCodeFormalParameter (type_name = "GParamSpec *", name = "pspec"));
-
- var block = new CCodeBlock ();
-
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
- ccall.add_argument (new CCodeIdentifier (name = "object"));
- var cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
- block.add_statement (cdecl);
-
- var cswitch = new CCodeSwitchStatement (expression = new CCodeIdentifier (name = "property_id"));
- var props = cl.get_properties ();
- foreach (Property prop in props) {
- if (prop.get_accessor == null) {
- continue;
- }
+ ccall = new CCodeFunctionCall (call = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "parent_class"), member_name = "dispose", is_pointer = true));
+ ccall.add_argument (new CCodeIdentifier (name = "obj"));
+ cblock.add_statement (new CCodeExpressionStatement (expression = ccall));
- var ccase = new CCodeCaseStatement (expression = new CCodeIdentifier (name = prop.get_upper_case_cname ()));
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_get_%s".printf (cl.get_lower_case_cname (null), prop.name)));
- ccall.add_argument (new CCodeIdentifier (name = "self"));
- var csetcall = new CCodeFunctionCall ();
- if (prop.type_reference.type is Class) {
- csetcall.call = new CCodeIdentifier (name = "g_value_set_object");
- } else if (prop.type_reference.type_name == "string") {
- csetcall.call = new CCodeIdentifier (name = "g_value_set_string");
- } else if (prop.type_reference.type_name == "int"
- || prop.type_reference.type is Enum) {
- csetcall.call = new CCodeIdentifier (name = "g_value_set_int");
- } else if (prop.type_reference.type_name == "bool") {
- csetcall.call = new CCodeIdentifier (name = "g_value_set_boolean");
- } else {
- csetcall.call = new CCodeIdentifier (name = "g_value_set_pointer");
- }
- csetcall.add_argument (new CCodeIdentifier (name = "value"));
- csetcall.add_argument (ccall);
- ccase.add_statement (new CCodeExpressionStatement (expression = csetcall));
- ccase.add_statement (new CCodeBreakStatement ());
- cswitch.add_case (ccase);
- }
- block.add_statement (cswitch);
- get_prop.block = block;
-
- source_type_member_definition.append (get_prop);
- }
+ function.block = cblock;
+
+ source_type_member_definition.append (function);
+ }
+
+ private void add_get_property_function (Class! cl) {
+ var get_prop = new CCodeFunction (name = "%s_get_property".printf (cl.get_lower_case_cname (null)), return_type = "void");
+ get_prop.add_parameter (new CCodeFormalParameter (type_name = "GObject *", name = "object"));
+ get_prop.add_parameter (new CCodeFormalParameter (type_name = "guint", name = "property_id"));
+ get_prop.add_parameter (new CCodeFormalParameter (type_name = "GValue *", name = "value"));
+ get_prop.add_parameter (new CCodeFormalParameter (type_name = "GParamSpec *", name = "pspec"));
- private void add_set_property_function (Class! cl) {
- var set_prop = new CCodeFunction (name = "%s_set_property".printf (cl.get_lower_case_cname (null)), return_type = "void");
- set_prop.add_parameter (new CCodeFormalParameter (type_name = "GObject *", name = "object"));
- set_prop.add_parameter (new CCodeFormalParameter (type_name = "guint", name = "property_id"));
- set_prop.add_parameter (new CCodeFormalParameter (type_name = "const GValue *", name = "value"));
- set_prop.add_parameter (new CCodeFormalParameter (type_name = "GParamSpec *", name = "pspec"));
-
- var block = new CCodeBlock ();
-
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
- ccall.add_argument (new CCodeIdentifier (name = "object"));
- var cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
- block.add_statement (cdecl);
-
- var cswitch = new CCodeSwitchStatement (expression = new CCodeIdentifier (name = "property_id"));
- var props = cl.get_properties ();
- foreach (Property prop in props) {
- if (prop.set_accessor == null) {
- continue;
- }
+ var block = new CCodeBlock ();
+
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
+ ccall.add_argument (new CCodeIdentifier (name = "object"));
+ var cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
+ block.add_statement (cdecl);
+
+ var cswitch = new CCodeSwitchStatement (expression = new CCodeIdentifier (name = "property_id"));
+ var props = cl.get_properties ();
+ foreach (Property prop in props) {
+ if (prop.get_accessor == null) {
+ continue;
+ }
+
+ var ccase = new CCodeCaseStatement (expression = new CCodeIdentifier (name = prop.get_upper_case_cname ()));
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_get_%s".printf (cl.get_lower_case_cname (null), prop.name)));
+ ccall.add_argument (new CCodeIdentifier (name = "self"));
+ var csetcall = new CCodeFunctionCall ();
+ if (prop.type_reference.type is Class) {
+ csetcall.call = new CCodeIdentifier (name = "g_value_set_object");
+ } else if (prop.type_reference.type_name == "string") {
+ csetcall.call = new CCodeIdentifier (name = "g_value_set_string");
+ } else if (prop.type_reference.type_name == "int"
+ || prop.type_reference.type is Enum) {
+ csetcall.call = new CCodeIdentifier (name = "g_value_set_int");
+ } else if (prop.type_reference.type_name == "bool") {
+ csetcall.call = new CCodeIdentifier (name = "g_value_set_boolean");
+ } else {
+ csetcall.call = new CCodeIdentifier (name = "g_value_set_pointer");
+ }
+ csetcall.add_argument (new CCodeIdentifier (name = "value"));
+ csetcall.add_argument (ccall);
+ ccase.add_statement (new CCodeExpressionStatement (expression = csetcall));
+ ccase.add_statement (new CCodeBreakStatement ());
+ cswitch.add_case (ccase);
+ }
+ block.add_statement (cswitch);
- var ccase = new CCodeCaseStatement (expression = new CCodeIdentifier (name = prop.get_upper_case_cname ()));
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_set_%s".printf (cl.get_lower_case_cname (null), prop.name)));
- ccall.add_argument (new CCodeIdentifier (name = "self"));
- var cgetcall = new CCodeFunctionCall ();
- if (prop.type_reference.type is Class) {
- cgetcall.call = new CCodeIdentifier (name = "g_value_get_object");
- } else if (prop.type_reference.type_name == "string") {
- cgetcall.call = new CCodeIdentifier (name = "g_value_get_string");
- } else if (prop.type_reference.type_name == "int"
- || prop.type_reference.type is Enum) {
- cgetcall.call = new CCodeIdentifier (name = "g_value_get_int");
- } else if (prop.type_reference.type_name == "bool") {
- cgetcall.call = new CCodeIdentifier (name = "g_value_get_boolean");
- } else {
- cgetcall.call = new CCodeIdentifier (name = "g_value_get_pointer");
- }
- cgetcall.add_argument (new CCodeIdentifier (name = "value"));
- ccall.add_argument (cgetcall);
- ccase.add_statement (new CCodeExpressionStatement (expression = ccall));
- ccase.add_statement (new CCodeBreakStatement ());
- cswitch.add_case (ccase);
+ get_prop.block = block;
+
+ source_type_member_definition.append (get_prop);
+ }
+
+ private void add_set_property_function (Class! cl) {
+ var set_prop = new CCodeFunction (name = "%s_set_property".printf (cl.get_lower_case_cname (null)), return_type = "void");
+ set_prop.add_parameter (new CCodeFormalParameter (type_name = "GObject *", name = "object"));
+ set_prop.add_parameter (new CCodeFormalParameter (type_name = "guint", name = "property_id"));
+ set_prop.add_parameter (new CCodeFormalParameter (type_name = "const GValue *", name = "value"));
+ set_prop.add_parameter (new CCodeFormalParameter (type_name = "GParamSpec *", name = "pspec"));
+
+ var block = new CCodeBlock ();
+
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
+ ccall.add_argument (new CCodeIdentifier (name = "object"));
+ var cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
+ block.add_statement (cdecl);
+
+ var cswitch = new CCodeSwitchStatement (expression = new CCodeIdentifier (name = "property_id"));
+ var props = cl.get_properties ();
+ foreach (Property prop in props) {
+ if (prop.set_accessor == null) {
+ continue;
+ }
+
+ var ccase = new CCodeCaseStatement (expression = new CCodeIdentifier (name = prop.get_upper_case_cname ()));
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_set_%s".printf (cl.get_lower_case_cname (null), prop.name)));
+ ccall.add_argument (new CCodeIdentifier (name = "self"));
+ var cgetcall = new CCodeFunctionCall ();
+ if (prop.type_reference.type is Class) {
+ cgetcall.call = new CCodeIdentifier (name = "g_value_get_object");
+ } else if (prop.type_reference.type_name == "string") {
+ cgetcall.call = new CCodeIdentifier (name = "g_value_get_string");
+ } else if (prop.type_reference.type_name == "int"
+ || prop.type_reference.type is Enum) {
+ cgetcall.call = new CCodeIdentifier (name = "g_value_get_int");
+ } else if (prop.type_reference.type_name == "bool") {
+ cgetcall.call = new CCodeIdentifier (name = "g_value_get_boolean");
+ } else {
+ cgetcall.call = new CCodeIdentifier (name = "g_value_get_pointer");
}
- block.add_statement (cswitch);
-
- set_prop.block = block;
-
- source_type_member_definition.append (set_prop);
+ cgetcall.add_argument (new CCodeIdentifier (name = "value"));
+ ccall.add_argument (cgetcall);
+ ccase.add_statement (new CCodeExpressionStatement (expression = ccall));
+ ccase.add_statement (new CCodeBreakStatement ());
+ cswitch.add_case (ccase);
}
+ block.add_statement (cswitch);
- public override void visit_begin_struct (Struct! st) {
- instance_struct = new CCodeStruct (name = "_%s".printf (st.name));
+ set_prop.block = block;
+
+ source_type_member_definition.append (set_prop);
+ }
+
+ public override void visit_begin_struct (Struct! st) {
+ instance_struct = new CCodeStruct (name = "_%s".printf (st.name));
- if (st.source_reference.comment != null) {
- header_type_definition.append (new CCodeComment (text = st.source_reference.comment));
- }
- header_type_definition.append (instance_struct);
+ if (st.source_reference.comment != null) {
+ header_type_definition.append (new CCodeComment (text = st.source_reference.comment));
}
+ header_type_definition.append (instance_struct);
+ }
- public override void visit_begin_interface (Interface! iface) {
- current_symbol = iface.symbol;
- current_type_symbol = iface.symbol;
+ public override void visit_begin_interface (Interface! iface) {
+ current_symbol = iface.symbol;
+ current_type_symbol = iface.symbol;
- type_struct = new CCodeStruct (name = "_%sInterface".printf (iface.get_cname ()));
-
- header_type_declaration.append (new CCodeNewline ());
- var macro = "(%s_get_type ())".printf (iface.get_lower_case_cname (null));
- header_type_declaration.append (new CCodeMacroReplacement (name = iface.get_upper_case_cname ("TYPE_"), replacement = macro));
+ type_struct = new CCodeStruct (name = "_%sInterface".printf (iface.get_cname ()));
+
+ header_type_declaration.append (new CCodeNewline ());
+ var macro = "(%s_get_type ())".printf (iface.get_lower_case_cname (null));
+ header_type_declaration.append (new CCodeMacroReplacement (name = iface.get_upper_case_cname ("TYPE_"), replacement = macro));
- macro = "(G_TYPE_CHECK_INSTANCE_CAST ((obj), %s, %s))".printf (iface.get_upper_case_cname ("TYPE_"), iface.get_cname ());
- header_type_declaration.append (new CCodeMacroReplacement (name = "%s(obj)".printf (iface.get_upper_case_cname (null)), replacement = macro));
+ macro = "(G_TYPE_CHECK_INSTANCE_CAST ((obj), %s, %s))".printf (iface.get_upper_case_cname ("TYPE_"), iface.get_cname ());
+ header_type_declaration.append (new CCodeMacroReplacement (name = "%s(obj)".printf (iface.get_upper_case_cname (null)), replacement = macro));
- macro = "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), %s))".printf (iface.get_upper_case_cname ("TYPE_"));
- header_type_declaration.append (new CCodeMacroReplacement (name = "%s(obj)".printf (iface.get_upper_case_cname ("IS_")), replacement = macro));
+ macro = "(G_TYPE_CHECK_INSTANCE_TYPE ((obj), %s))".printf (iface.get_upper_case_cname ("TYPE_"));
+ header_type_declaration.append (new CCodeMacroReplacement (name = "%s(obj)".printf (iface.get_upper_case_cname ("IS_")), replacement = macro));
- macro = "(G_TYPE_INSTANCE_GET_INTERFACE ((obj), %s, %sInterface))".printf (iface.get_upper_case_cname ("TYPE_"), iface.get_cname ());
- header_type_declaration.append (new CCodeMacroReplacement (name = "%s_GET_INTERFACE(obj)".printf (iface.get_upper_case_cname (null)), replacement = macro));
- header_type_declaration.append (new CCodeNewline ());
+ macro = "(G_TYPE_INSTANCE_GET_INTERFACE ((obj), %s, %sInterface))".printf (iface.get_upper_case_cname ("TYPE_"), iface.get_cname ());
+ header_type_declaration.append (new CCodeMacroReplacement (name = "%s_GET_INTERFACE(obj)".printf (iface.get_upper_case_cname (null)), replacement = macro));
+ header_type_declaration.append (new CCodeNewline ());
- if (iface.source_reference.file.cycle == null) {
- header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct _%s".printf (iface.get_cname ()), declarator = new CCodeVariableDeclarator (name = iface.get_cname ())));
- header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct %s".printf (type_struct.name), declarator = new CCodeVariableDeclarator (name = "%sInterface".printf (iface.get_cname ()))));
- }
-
- type_struct.add_field ("GTypeInterface", "parent");
+ if (iface.source_reference.file.cycle == null) {
+ header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct _%s".printf (iface.get_cname ()), declarator = new CCodeVariableDeclarator (name = iface.get_cname ())));
+ header_type_declaration.append (new CCodeTypeDefinition (type_name = "struct %s".printf (type_struct.name), declarator = new CCodeVariableDeclarator (name = "%sInterface".printf (iface.get_cname ()))));
+ }
+
+ type_struct.add_field ("GTypeInterface", "parent");
- if (iface.source_reference.comment != null) {
- header_type_definition.append (new CCodeComment (text = iface.source_reference.comment));
- }
- header_type_definition.append (type_struct);
+ if (iface.source_reference.comment != null) {
+ header_type_definition.append (new CCodeComment (text = iface.source_reference.comment));
}
+ header_type_definition.append (type_struct);
+ }
- public override void visit_end_interface (Interface! iface) {
- var type_fun = new InterfaceRegisterFunction (interface_reference = iface);
- type_fun.init_from_type ();
- header_type_member_declaration.append (type_fun.get_declaration ());
- source_type_member_definition.append (type_fun);
+ public override void visit_end_interface (Interface! iface) {
+ var type_fun = new InterfaceRegisterFunction (interface_reference = iface);
+ type_fun.init_from_type ();
+ header_type_member_declaration.append (type_fun.get_declaration ());
+ source_type_member_definition.append (type_fun);
- current_type_symbol = null;
- }
-
- public override void visit_begin_enum (Enum! en) {
- cenum = new CCodeEnum (name = en.get_cname ());
+ current_type_symbol = null;
+ }
+
+ public override void visit_begin_enum (Enum! en) {
+ cenum = new CCodeEnum (name = en.get_cname ());
- if (en.source_reference.comment != null) {
- header_type_definition.append (new CCodeComment (text = en.source_reference.comment));
- }
- header_type_definition.append (cenum);
+ if (en.source_reference.comment != null) {
+ header_type_definition.append (new CCodeComment (text = en.source_reference.comment));
}
+ header_type_definition.append (cenum);
+ }
- public override void visit_enum_value (EnumValue! ev) {
- cenum.add_value (ev.get_cname (), null);
- }
+ public override void visit_enum_value (EnumValue! ev) {
+ cenum.add_value (ev.get_cname (), null);
+ }
- public override void visit_end_callback (Callback! cb) {
- var ctypedef = new CCodeTypeDefinition ();
-
- ctypedef.type_name = cb.return_type.get_cname ();
-
- var cfundecl = new CCodeFunctionDeclarator (name = cb.get_cname ());
- foreach (FormalParameter param in cb.get_parameters ()) {
- cfundecl.add_parameter ((CCodeFormalParameter) param.ccodenode);
- }
- ctypedef.declarator = cfundecl;
-
- if (cb.access == MemberAccessibility.PUBLIC) {
- header_type_declaration.append (ctypedef);
- } else {
- source_type_member_declaration.append (ctypedef);
- }
+ public override void visit_end_callback (Callback! cb) {
+ var ctypedef = new CCodeTypeDefinition ();
+
+ ctypedef.type_name = cb.return_type.get_cname ();
+
+ var cfundecl = new CCodeFunctionDeclarator (name = cb.get_cname ());
+ foreach (FormalParameter param in cb.get_parameters ()) {
+ cfundecl.add_parameter ((CCodeFormalParameter) param.ccodenode);
+ }
+ ctypedef.declarator = cfundecl;
+
+ if (cb.access == MemberAccessibility.PUBLIC) {
+ header_type_declaration.append (ctypedef);
+ } else {
+ source_type_member_declaration.append (ctypedef);
}
+ }
- public override void visit_constant (Constant! c) {
- if (c.symbol.parent_symbol.node is DataType) {
- var t = (DataType) c.symbol.parent_symbol.node;
- var cdecl = new CCodeDeclaration (type_name = c.type_reference.get_const_cname ());
- var arr = "";
- if (c.type_reference.array) {
- arr = "[]";
- }
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "%s%s".printf (c.get_cname (), arr), initializer = c.initializer.ccodenode));
- cdecl.modifiers = CCodeModifiers.STATIC;
- source_type_member_declaration.append (cdecl);
+ public override void visit_constant (Constant! c) {
+ if (c.symbol.parent_symbol.node is DataType) {
+ var t = (DataType) c.symbol.parent_symbol.node;
+ var cdecl = new CCodeDeclaration (type_name = c.type_reference.get_const_cname ());
+ var arr = "";
+ if (c.type_reference.array) {
+ arr = "[]";
}
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "%s%s".printf (c.get_cname (), arr), initializer = c.initializer.ccodenode));
+ cdecl.modifiers = CCodeModifiers.STATIC;
+ source_type_member_declaration.append (cdecl);
}
-
- public override void visit_field (Field! f) {
- if (f.access == MemberAccessibility.PUBLIC) {
- instance_struct.add_field (f.type_reference.get_cname (), f.get_cname ());
- } else if (f.access == MemberAccessibility.PRIVATE) {
- if (f.instance) {
- instance_priv_struct.add_field (f.type_reference.get_cname (), f.get_cname ());
- } else {
- if (f.symbol.parent_symbol.node is DataType) {
- var t = (DataType) f.symbol.parent_symbol.node;
- var cdecl = new CCodeDeclaration (type_name = f.type_reference.get_cname ());
- var var_decl = new CCodeVariableDeclarator (name = "%s_%s".printf (t.get_lower_case_cname (null), f.get_cname ()));
- if (f.initializer != null) {
- var_decl.initializer = (CCodeExpression) f.initializer.ccodenode;
- }
- cdecl.add_declarator (var_decl);
- cdecl.modifiers = CCodeModifiers.STATIC;
- source_type_member_declaration.append (cdecl);
+ }
+
+ public override void visit_field (Field! f) {
+ if (f.access == MemberAccessibility.PUBLIC) {
+ instance_struct.add_field (f.type_reference.get_cname (), f.get_cname ());
+ } else if (f.access == MemberAccessibility.PRIVATE) {
+ if (f.instance) {
+ instance_priv_struct.add_field (f.type_reference.get_cname (), f.get_cname ());
+ } else {
+ if (f.symbol.parent_symbol.node is DataType) {
+ var t = (DataType) f.symbol.parent_symbol.node;
+ var cdecl = new CCodeDeclaration (type_name = f.type_reference.get_cname ());
+ var var_decl = new CCodeVariableDeclarator (name = "%s_%s".printf (t.get_lower_case_cname (null), f.get_cname ()));
+ if (f.initializer != null) {
+ var_decl.initializer = (CCodeExpression) f.initializer.ccodenode;
}
+ cdecl.add_declarator (var_decl);
+ cdecl.modifiers = CCodeModifiers.STATIC;
+ source_type_member_declaration.append (cdecl);
}
}
}
+ }
- public override void visit_begin_method (Method! m) {
- current_symbol = m.symbol;
+ public override void visit_begin_method (Method! m) {
+ current_symbol = m.symbol;
+ }
+
+ private ref CCodeStatement create_method_type_check_statement (Method! m, DataType! t, bool non_null, string! var_name) {
+ return create_type_check_statement (m, m.return_type.type, t, non_null, var_name);
+ }
+
+ private ref CCodeStatement create_property_type_check_statement (Property! prop, bool getter, DataType! t, bool non_null, string! var_name) {
+ if (getter) {
+ return create_type_check_statement (prop, prop.type_reference.type, t, non_null, var_name);
+ } else {
+ return create_type_check_statement (prop, null, t, non_null, var_name);
}
+ }
+
+ private ref CCodeStatement create_type_check_statement (CodeNode! method_node, DataType ret_type, DataType! t, bool non_null, string! var_name) {
+ var ccheck = new CCodeFunctionCall ();
- private ref CCodeStatement create_method_type_check_statement (Method! m, DataType! t, bool non_null, string! var_name) {
- return create_type_check_statement (m, m.return_type.type, t, non_null, var_name);
+ var ctype_check = new CCodeFunctionCall (call = new CCodeIdentifier (name = t.get_upper_case_cname ("IS_")));
+ ctype_check.add_argument (new CCodeIdentifier (name = var_name));
+
+ ref CCodeExpression cexpr = ctype_check;
+ if (!non_null) {
+ var cnull = new CCodeBinaryExpression (operator = CCodeBinaryOperator.EQUALITY, left = new CCodeIdentifier (name = var_name), right = new CCodeConstant (name = "NULL"));
+
+ cexpr = new CCodeBinaryExpression (operator = CCodeBinaryOperator.OR, left = cnull, right = ctype_check);
}
+ ccheck.add_argument (cexpr);
- private ref CCodeStatement create_property_type_check_statement (Property! prop, bool getter, DataType! t, bool non_null, string! var_name) {
- if (getter) {
- return create_type_check_statement (prop, prop.type_reference.type, t, non_null, var_name);
+ if (ret_type == null) {
+ /* void function */
+ ccheck.call = new CCodeIdentifier (name = "g_return_if_fail");
+ } else {
+ ccheck.call = new CCodeIdentifier (name = "g_return_val_if_fail");
+
+ if (ret_type.is_reference_type ()) {
+ ccheck.add_argument (new CCodeConstant (name = "NULL"));
+ } else if (ret_type.name == "bool") {
+ ccheck.add_argument (new CCodeConstant (name = "FALSE"));
+ } else if (ret_type.name == "int" || ret_type is Enum || ret_type is Flags) {
+ ccheck.add_argument (new CCodeConstant (name = "0"));
} else {
- return create_type_check_statement (prop, null, t, non_null, var_name);
+ Report.error (method_node.source_reference, "not supported return type for runtime type checks");
+ return null;
}
}
- private ref CCodeStatement create_type_check_statement (CodeNode! method_node, DataType ret_type, DataType! t, bool non_null, string! var_name) {
- var ccheck = new CCodeFunctionCall ();
-
- var ctype_check = new CCodeFunctionCall (call = new CCodeIdentifier (name = t.get_upper_case_cname ("IS_")));
- ctype_check.add_argument (new CCodeIdentifier (name = var_name));
-
- ref CCodeExpression cexpr = ctype_check;
- if (!non_null) {
- var cnull = new CCodeBinaryExpression (operator = CCodeBinaryOperator.EQUALITY, left = new CCodeIdentifier (name = var_name), right = new CCodeConstant (name = "NULL"));
-
- cexpr = new CCodeBinaryExpression (operator = CCodeBinaryOperator.OR, left = cnull, right = ctype_check);
+ return new CCodeExpressionStatement (expression = ccheck);
+ }
+
+ private DataType find_parent_type (CodeNode node) {
+ var sym = node.symbol;
+ while (sym != null) {
+ if (sym.node is DataType) {
+ return (DataType) sym.node;
}
- ccheck.add_argument (cexpr);
-
- if (ret_type == null) {
- /* void function */
- ccheck.call = new CCodeIdentifier (name = "g_return_if_fail");
+ sym = sym.parent_symbol;
+ }
+ return null;
+ }
+
+ public override void visit_end_method (Method! m) {
+ current_symbol = current_symbol.parent_symbol;
+
+ if (m.name == "init") {
+ return;
+ }
+
+ function = new CCodeFunction (name = m.get_real_cname (), return_type = m.return_type.get_cname ());
+ CCodeFunctionDeclarator vdeclarator = null;
+
+ if (m.instance) {
+ var this_type = new TypeReference ();
+ this_type.type = find_parent_type (m);
+ if (!m.is_override) {
+ var cparam = new CCodeFormalParameter (type_name = this_type.get_cname (), name = "self");
+ function.add_parameter (cparam);
} else {
- ccheck.call = new CCodeIdentifier (name = "g_return_val_if_fail");
-
- if (ret_type.is_reference_type ()) {
- ccheck.add_argument (new CCodeConstant (name = "NULL"));
- } else if (ret_type.name == "bool") {
- ccheck.add_argument (new CCodeConstant (name = "FALSE"));
- } else if (ret_type.name == "int" || ret_type is Enum || ret_type is Flags) {
- ccheck.add_argument (new CCodeConstant (name = "0"));
- } else {
- Report.error (method_node.source_reference, "not supported return type for runtime type checks");
- return null;
- }
+ var base_type = new TypeReference ();
+ base_type.type = (DataType) m.base_method.symbol.parent_symbol.node;
+ var cparam = new CCodeFormalParameter (type_name = base_type.get_cname (), name = "base");
+ function.add_parameter (cparam);
}
-
- return new CCodeExpressionStatement (expression = ccheck);
- }
+ if (m.is_abstract || m.is_virtual) {
+ var vdecl = new CCodeDeclaration (type_name = m.return_type.get_cname ());
+ vdeclarator = new CCodeFunctionDeclarator (name = m.name);
+ vdecl.add_declarator (vdeclarator);
+ type_struct.add_declaration (vdecl);
- private DataType find_parent_type (CodeNode node) {
- var sym = node.symbol;
- while (sym != null) {
- if (sym.node is DataType) {
- return (DataType) sym.node;
- }
- sym = sym.parent_symbol;
+ var cparam = new CCodeFormalParameter (type_name = this_type.get_cname (), name = "self");
+ vdeclarator.add_parameter (cparam);
}
- return null;
}
-
- public override void visit_end_method (Method! m) {
- current_symbol = current_symbol.parent_symbol;
-
- if (m.name == "init") {
- return;
+
+ var params = m.get_parameters ();
+ foreach (FormalParameter param in params) {
+ function.add_parameter ((CCodeFormalParameter) param.ccodenode);
+ if (vdeclarator != null) {
+ vdeclarator.add_parameter ((CCodeFormalParameter) param.ccodenode);
}
+ }
- function = new CCodeFunction (name = m.get_real_cname (), return_type = m.return_type.get_cname ());
- CCodeFunctionDeclarator vdeclarator = null;
-
- if (m.instance) {
- var this_type = new TypeReference ();
- this_type.type = find_parent_type (m);
- if (!m.is_override) {
- var cparam = new CCodeFormalParameter (type_name = this_type.get_cname (), name = "self");
- function.add_parameter (cparam);
- } else {
- var base_type = new TypeReference ();
- base_type.type = (DataType) m.base_method.symbol.parent_symbol.node;
- var cparam = new CCodeFormalParameter (type_name = base_type.get_cname (), name = "base");
- function.add_parameter (cparam);
+ /* real function declaration and definition not needed
+ * for abstract methods */
+ if (!m.is_abstract) {
+ if (m.access == MemberAccessibility.PUBLIC && !(m.is_virtual || m.is_override)) {
+ /* public methods need function declaration in
+ * header file except virtual/overridden methods */
+ header_type_member_declaration.append (function.copy ());
+ } else {
+ /* declare all other functions in source file to
+ * avoid dependency on order within source file */
+ function.modifiers |= CCodeModifiers.STATIC;
+ source_type_member_declaration.append (function.copy ());
+ }
+
+ /* Methods imported from a plain C file don't
+ * have a body, e.g. Vala.Parser.parse_file () */
+ if (m.body != null) {
+ function.block = (CCodeBlock) m.body.ccodenode;
+
+ var cinit = new CCodeFragment ();
+ function.block.prepend_statement (cinit);
+
+ if (m.symbol.parent_symbol.node is Class) {
+ var cl = (Class) m.symbol.parent_symbol.node;
+ if (m.is_override) {
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
+ ccall.add_argument (new CCodeIdentifier (name = "base"));
+
+ var cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
+
+ cinit.append (cdecl);
+ } else if (m.instance) {
+ cinit.append (create_method_type_check_statement (m, cl, true, "self"));
+ }
+ }
+ foreach (FormalParameter param in m.parameters) {
+ var t = param.type_reference.type;
+ if (t != null && (t is Class || t is Interface) && !param.type_reference.is_out) {
+ cinit.append (create_method_type_check_statement (m, t, param.type_reference.non_null, param.name));
+ }
}
- if (m.is_abstract || m.is_virtual) {
- var vdecl = new CCodeDeclaration (type_name = m.return_type.get_cname ());
- vdeclarator = new CCodeFunctionDeclarator (name = m.name);
- vdecl.add_declarator (vdeclarator);
- type_struct.add_declaration (vdecl);
-
- var cparam = new CCodeFormalParameter (type_name = this_type.get_cname (), name = "self");
- vdeclarator.add_parameter (cparam);
+
+ if (m.source_reference != null && m.source_reference.comment != null) {
+ source_type_member_definition.append (new CCodeComment (text = m.source_reference.comment));
}
+ source_type_member_definition.append (function);
}
-
- var params = m.get_parameters ();
- foreach (FormalParameter param in params) {
- function.add_parameter ((CCodeFormalParameter) param.ccodenode);
- if (vdeclarator != null) {
- vdeclarator.add_parameter ((CCodeFormalParameter) param.ccodenode);
- }
- }
-
- /* real function declaration and definition not needed
- * for abstract methods */
- if (!m.is_abstract) {
- if (m.access == MemberAccessibility.PUBLIC && !(m.is_virtual || m.is_override)) {
- /* public methods need function declaration in
- * header file except virtual/overridden methods */
- header_type_member_declaration.append (function.copy ());
- } else {
- /* declare all other functions in source file to
- * avoid dependency on order within source file */
- function.modifiers |= CCodeModifiers.STATIC;
- source_type_member_declaration.append (function.copy ());
- }
-
- /* Methods imported from a plain C file don't
- * have a body, e.g. Vala.Parser.parse_file () */
- if (m.body != null) {
- function.block = (CCodeBlock) m.body.ccodenode;
-
- var cinit = new CCodeFragment ();
- function.block.prepend_statement (cinit);
-
- if (m.symbol.parent_symbol.node is Class) {
- var cl = (Class) m.symbol.parent_symbol.node;
- if (m.is_override) {
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
- ccall.add_argument (new CCodeIdentifier (name = "base"));
-
- var cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
-
- cinit.append (cdecl);
- } else if (m.instance) {
- cinit.append (create_method_type_check_statement (m, cl, true, "self"));
- }
- }
- foreach (FormalParameter param in m.parameters) {
- var t = param.type_reference.type;
- if (t != null && (t is Class || t is Interface) && !param.type_reference.is_out) {
- cinit.append (create_method_type_check_statement (m, t, param.type_reference.non_null, param.name));
- }
- }
-
- if (m.source_reference != null && m.source_reference.comment != null) {
- source_type_member_definition.append (new CCodeComment (text = m.source_reference.comment));
- }
- source_type_member_definition.append (function);
- }
- }
-
- if (m.is_abstract || m.is_virtual) {
- var cl = (Class) m.symbol.parent_symbol.node;
+ }
+
+ if (m.is_abstract || m.is_virtual) {
+ var cl = (Class) m.symbol.parent_symbol.node;
- var vfunc = new CCodeFunction (name = m.get_cname (), return_type = m.return_type.get_cname ());
+ var vfunc = new CCodeFunction (name = m.get_cname (), return_type = m.return_type.get_cname ());
- var this_type = new TypeReference ();
- this_type.type = (DataType) m.symbol.parent_symbol.node;
+ var this_type = new TypeReference ();
+ this_type.type = (DataType) m.symbol.parent_symbol.node;
- var cparam = new CCodeFormalParameter (type_name = this_type.get_cname (), name = "self");
- vfunc.add_parameter (cparam);
-
- var vblock = new CCodeBlock ();
-
- var vcast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_GET_CLASS".printf (cl.get_upper_case_cname (null))));
- vcast.add_argument (new CCodeIdentifier (name = "self"));
+ var cparam = new CCodeFormalParameter (type_name = this_type.get_cname (), name = "self");
+ vfunc.add_parameter (cparam);
- var vcall = new CCodeFunctionCall (call = new CCodeMemberAccess (inner = vcast, member_name = m.name, is_pointer = true));
- vcall.add_argument (new CCodeIdentifier (name = "self"));
+ var vblock = new CCodeBlock ();
- var params = m.get_parameters ();
- foreach (FormalParameter param in params) {
- vfunc.add_parameter ((CCodeFormalParameter) param.ccodenode);
- vcall.add_argument (new CCodeIdentifier (name = param.name));
- }
+ var vcast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_GET_CLASS".printf (cl.get_upper_case_cname (null))));
+ vcast.add_argument (new CCodeIdentifier (name = "self"));
+
+ var vcall = new CCodeFunctionCall (call = new CCodeMemberAccess (inner = vcast, member_name = m.name, is_pointer = true));
+ vcall.add_argument (new CCodeIdentifier (name = "self"));
+
+ var params = m.get_parameters ();
+ foreach (FormalParameter param in params) {
+ vfunc.add_parameter ((CCodeFormalParameter) param.ccodenode);
+ vcall.add_argument (new CCodeIdentifier (name = param.name));
+ }
- vblock.add_statement (new CCodeExpressionStatement (expression = vcall));
+ vblock.add_statement (new CCodeExpressionStatement (expression = vcall));
- header_type_member_declaration.append (vfunc.copy ());
-
- vfunc.block = vblock;
-
- source_type_member_definition.append (vfunc);
- }
+ header_type_member_declaration.append (vfunc.copy ());
- if (m.name == "main") {
- var cmain = new CCodeFunction (name = "main", return_type = "int");
- cmain.add_parameter (new CCodeFormalParameter (type_name = "int", name = "argc"));
- cmain.add_parameter (new CCodeFormalParameter (type_name = "char **", name = "argv"));
- var main_block = new CCodeBlock ();
- main_block.add_statement (new CCodeExpressionStatement (expression = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_init"))));
- var main_call = new CCodeFunctionCall (call = new CCodeIdentifier (name = function.name));
- main_call.add_argument (new CCodeIdentifier (name = "argc"));
- main_call.add_argument (new CCodeIdentifier (name = "argv"));
- main_block.add_statement (new CCodeReturnStatement (return_expression = main_call));
- cmain.block = main_block;
- source_type_member_definition.append (cmain);
- }
+ vfunc.block = vblock;
+
+ source_type_member_definition.append (vfunc);
}
- public override void visit_formal_parameter (FormalParameter! p) {
- if (!p.ellipsis) {
- p.ccodenode = new CCodeFormalParameter (type_name = p.type_reference.get_cname (), name = p.name);
- }
+ if (m.name == "main") {
+ var cmain = new CCodeFunction (name = "main", return_type = "int");
+ cmain.add_parameter (new CCodeFormalParameter (type_name = "int", name = "argc"));
+ cmain.add_parameter (new CCodeFormalParameter (type_name = "char **", name = "argv"));
+ var main_block = new CCodeBlock ();
+ main_block.add_statement (new CCodeExpressionStatement (expression = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_init"))));
+ var main_call = new CCodeFunctionCall (call = new CCodeIdentifier (name = function.name));
+ main_call.add_argument (new CCodeIdentifier (name = "argc"));
+ main_call.add_argument (new CCodeIdentifier (name = "argv"));
+ main_block.add_statement (new CCodeReturnStatement (return_expression = main_call));
+ cmain.block = main_block;
+ source_type_member_definition.append (cmain);
}
-
- public override void visit_end_property (Property! prop) {
- prop_enum.add_value (prop.get_upper_case_cname (), null);
+ }
+
+ public override void visit_formal_parameter (FormalParameter! p) {
+ if (!p.ellipsis) {
+ p.ccodenode = new CCodeFormalParameter (type_name = p.type_reference.get_cname (), name = p.name);
}
+ }
- public override void visit_end_property_accessor (PropertyAccessor! acc) {
- var prop = (Property) acc.symbol.parent_symbol.node;
- var cl = (Class) prop.symbol.parent_symbol.node;
-
- if (acc.readable) {
- function = new CCodeFunction (name = "%s_get_%s".printf (cl.get_lower_case_cname (null), prop.name), return_type = prop.type_reference.get_cname ());
- } else {
- function = new CCodeFunction (name = "%s_set_%s".printf (cl.get_lower_case_cname (null), prop.name), return_type = "void");
- }
- var this_type = new TypeReference ();
- this_type.type = cl;
- var cparam = new CCodeFormalParameter (type_name = this_type.get_cname (), name = "self");
- function.add_parameter (cparam);
- if (acc.writable || acc.construct_) {
- function.add_parameter (new CCodeFormalParameter (type_name = prop.type_reference.get_cname (), name = "value"));
- }
-
- header_type_member_declaration.append (function.copy ());
-
- if (acc.body != null) {
- function.block = (CCodeBlock) acc.body.ccodenode;
+ public override void visit_end_property (Property! prop) {
+ prop_enum.add_value (prop.get_upper_case_cname (), null);
+ }
- function.block.prepend_statement (create_property_type_check_statement (prop, acc.readable, cl, true, "self"));
- }
-
- source_type_member_definition.append (function);
+ public override void visit_end_property_accessor (PropertyAccessor! acc) {
+ var prop = (Property) acc.symbol.parent_symbol.node;
+ var cl = (Class) prop.symbol.parent_symbol.node;
+
+ if (acc.readable) {
+ function = new CCodeFunction (name = "%s_get_%s".printf (cl.get_lower_case_cname (null), prop.name), return_type = prop.type_reference.get_cname ());
+ } else {
+ function = new CCodeFunction (name = "%s_set_%s".printf (cl.get_lower_case_cname (null), prop.name), return_type = "void");
+ }
+ var this_type = new TypeReference ();
+ this_type.type = cl;
+ var cparam = new CCodeFormalParameter (type_name = this_type.get_cname (), name = "self");
+ function.add_parameter (cparam);
+ if (acc.writable || acc.construct_) {
+ function.add_parameter (new CCodeFormalParameter (type_name = prop.type_reference.get_cname (), name = "value"));
}
- public override void visit_end_constructor (Constructor! c) {
- var cl = (Class) c.symbol.parent_symbol.node;
+ header_type_member_declaration.append (function.copy ());
- function = new CCodeFunction (name = "%s_constructor".printf (cl.get_lower_case_cname (null)), return_type = "GObject *");
- function.modifiers = CCodeModifiers.STATIC;
-
- function.add_parameter (new CCodeFormalParameter (name = "type", type_name = "GType"));
- function.add_parameter (new CCodeFormalParameter (name = "n_construct_properties", type_name = "guint"));
- function.add_parameter (new CCodeFormalParameter (name = "construct_properties", type_name = "GObjectConstructParam *"));
-
- source_type_member_declaration.append (function.copy ());
+ if (acc.body != null) {
+ function.block = (CCodeBlock) acc.body.ccodenode;
+ function.block.prepend_statement (create_property_type_check_statement (prop, acc.readable, cl, true, "self"));
+ }
+
+ source_type_member_definition.append (function);
+ }
+
+ public override void visit_end_constructor (Constructor! c) {
+ var cl = (Class) c.symbol.parent_symbol.node;
+
+ function = new CCodeFunction (name = "%s_constructor".printf (cl.get_lower_case_cname (null)), return_type = "GObject *");
+ function.modifiers = CCodeModifiers.STATIC;
+
+ function.add_parameter (new CCodeFormalParameter (name = "type", type_name = "GType"));
+ function.add_parameter (new CCodeFormalParameter (name = "n_construct_properties", type_name = "guint"));
+ function.add_parameter (new CCodeFormalParameter (name = "construct_properties", type_name = "GObjectConstructParam *"));
+
+ source_type_member_declaration.append (function.copy ());
- var cblock = new CCodeBlock ();
- var cdecl = new CCodeDeclaration (type_name = "GObject *");
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "obj"));
- cblock.add_statement (cdecl);
- cdecl = new CCodeDeclaration (type_name = "%sClass *".printf (cl.get_cname ()));
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "klass"));
- cblock.add_statement (cdecl);
+ var cblock = new CCodeBlock ();
+ var cdecl = new CCodeDeclaration (type_name = "GObject *");
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "obj"));
+ cblock.add_statement (cdecl);
- cdecl = new CCodeDeclaration (type_name = "GObjectClass *");
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "parent_class"));
- cblock.add_statement (cdecl);
-
-
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_peek"));
- ccall.add_argument (new CCodeIdentifier (name = cl.get_upper_case_cname ("TYPE_")));
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_CLASS".printf (cl.get_upper_case_cname (null))));
- ccast.add_argument (ccall);
- cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "klass"), right = ccast)));
+ cdecl = new CCodeDeclaration (type_name = "%sClass *".printf (cl.get_cname ()));
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "klass"));
+ cblock.add_statement (cdecl);
- ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_peek_parent"));
- ccall.add_argument (new CCodeIdentifier (name = "klass"));
- ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
- ccast.add_argument (ccall);
- cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "parent_class"), right = ccast)));
+ cdecl = new CCodeDeclaration (type_name = "GObjectClass *");
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "parent_class"));
+ cblock.add_statement (cdecl);
-
- ccall = new CCodeFunctionCall (call = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "parent_class"), member_name = "constructor", is_pointer = true));
- ccall.add_argument (new CCodeIdentifier (name = "type"));
- ccall.add_argument (new CCodeIdentifier (name = "n_construct_properties"));
- ccall.add_argument (new CCodeIdentifier (name = "construct_properties"));
- cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "obj"), right = ccall)));
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_peek"));
+ ccall.add_argument (new CCodeIdentifier (name = cl.get_upper_case_cname ("TYPE_")));
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_CLASS".printf (cl.get_upper_case_cname (null))));
+ ccast.add_argument (ccall);
+ cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "klass"), right = ccast)));
- ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
- ccall.add_argument (new CCodeIdentifier (name = "obj"));
-
- cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
- cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
-
- cblock.add_statement (cdecl);
+ ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_type_class_peek_parent"));
+ ccall.add_argument (new CCodeIdentifier (name = "klass"));
+ ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT_CLASS"));
+ ccast.add_argument (ccall);
+ cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "parent_class"), right = ccast)));
+
+ ccall = new CCodeFunctionCall (call = new CCodeMemberAccess (inner = new CCodeIdentifier (name = "parent_class"), member_name = "constructor", is_pointer = true));
+ ccall.add_argument (new CCodeIdentifier (name = "type"));
+ ccall.add_argument (new CCodeIdentifier (name = "n_construct_properties"));
+ ccall.add_argument (new CCodeIdentifier (name = "construct_properties"));
+ cblock.add_statement (new CCodeExpressionStatement (expression = new CCodeAssignment (left = new CCodeIdentifier (name = "obj"), right = ccall)));
- cblock.add_statement (c.body.ccodenode);
-
- cblock.add_statement (new CCodeReturnStatement (return_expression = new CCodeIdentifier (name = "obj")));
-
- function.block = cblock;
- if (c.source_reference.comment != null) {
- source_type_member_definition.append (new CCodeComment (text = c.source_reference.comment));
- }
- source_type_member_definition.append (function);
- }
+ ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = cl.get_upper_case_cname (null)));
+ ccall.add_argument (new CCodeIdentifier (name = "obj"));
+
+ cdecl = new CCodeDeclaration (type_name = "%s *".printf (cl.get_cname ()));
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = "self", initializer = ccall));
+
+ cblock.add_statement (cdecl);
- public override void visit_begin_block (Block! b) {
- current_symbol = b.symbol;
+
+ cblock.add_statement (c.body.ccodenode);
+
+ cblock.add_statement (new CCodeReturnStatement (return_expression = new CCodeIdentifier (name = "obj")));
+
+ function.block = cblock;
+
+ if (c.source_reference.comment != null) {
+ source_type_member_definition.append (new CCodeComment (text = c.source_reference.comment));
}
+ source_type_member_definition.append (function);
+ }
- public override void visit_end_block (Block! b) {
- var local_vars = b.get_local_variables ();
- foreach (VariableDeclarator decl in local_vars) {
- decl.symbol.active = false;
- }
+ public override void visit_begin_block (Block! b) {
+ current_symbol = b.symbol;
+ }
+
+ public override void visit_end_block (Block! b) {
+ var local_vars = b.get_local_variables ();
+ foreach (VariableDeclarator decl in local_vars) {
+ decl.symbol.active = false;
+ }
+
+ var cblock = new CCodeBlock ();
- var cblock = new CCodeBlock ();
+ foreach (Statement stmt in b.get_statements ()) {
+ var src = stmt.source_reference;
+ if (src != null && src.comment != null) {
+ cblock.add_statement (new CCodeComment (text = src.comment));
+ }
- foreach (Statement stmt in b.get_statements ()) {
- var src = stmt.source_reference;
- if (src != null && src.comment != null) {
- cblock.add_statement (new CCodeComment (text = src.comment));
- }
-
- if (stmt.ccodenode is CCodeFragment) {
- foreach (CCodeStatement cstmt in ((CCodeFragment) stmt.ccodenode).children) {
- cblock.add_statement (cstmt);
- }
- } else {
- cblock.add_statement ((CCodeStatement) stmt.ccodenode);
+ if (stmt.ccodenode is CCodeFragment) {
+ foreach (CCodeStatement cstmt in ((CCodeFragment) stmt.ccodenode).children) {
+ cblock.add_statement (cstmt);
}
+ } else {
+ cblock.add_statement ((CCodeStatement) stmt.ccodenode);
}
-
- if (memory_management) {
- foreach (VariableDeclarator decl in local_vars) {
- if (decl.type_reference.type.is_reference_type () && decl.type_reference.is_lvalue_ref) {
- cblock.add_statement (new CCodeExpressionStatement (expression = get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference)));
- }
+ }
+
+ if (memory_management) {
+ foreach (VariableDeclarator decl in local_vars) {
+ if (decl.type_reference.type.is_reference_type () && decl.type_reference.is_lvalue_ref) {
+ cblock.add_statement (new CCodeExpressionStatement (expression = get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference)));
}
}
-
- b.ccodenode = cblock;
-
- current_symbol = current_symbol.parent_symbol;
}
+
+ b.ccodenode = cblock;
- public override void visit_empty_statement (EmptyStatement! stmt) {
- stmt.ccodenode = new CCodeEmptyStatement ();
- }
+ current_symbol = current_symbol.parent_symbol;
+ }
- public override void visit_declaration_statement (DeclarationStatement! stmt) {
- /* split declaration statement as var declarators
- * might have different types */
-
- var cfrag = new CCodeFragment ();
-
- foreach (VariableDeclarator decl in stmt.declaration.variable_declarators) {
- var cdecl = new CCodeDeclaration (type_name = decl.type_reference.get_cname ());
-
- cdecl.add_declarator ((CCodeVariableDeclarator) decl.ccodenode);
+ public override void visit_empty_statement (EmptyStatement! stmt) {
+ stmt.ccodenode = new CCodeEmptyStatement ();
+ }
- cfrag.append (cdecl);
- }
-
- stmt.ccodenode = cfrag;
+ public override void visit_declaration_statement (DeclarationStatement! stmt) {
+ /* split declaration statement as var declarators
+ * might have different types */
+
+ var cfrag = new CCodeFragment ();
+
+ foreach (VariableDeclarator decl in stmt.declaration.variable_declarators) {
+ var cdecl = new CCodeDeclaration (type_name = decl.type_reference.get_cname ());
+
+ cdecl.add_declarator ((CCodeVariableDeclarator) decl.ccodenode);
- foreach (VariableDeclarator decl in stmt.declaration.variable_declarators) {
- if (decl.initializer != null) {
- create_temp_decl (stmt, decl.initializer.temp_vars);
- }
- }
+ cfrag.append (cdecl);
}
+
+ stmt.ccodenode = cfrag;
- public override void visit_variable_declarator (VariableDeclarator! decl) {
- CCodeExpression rhs = null;
+ foreach (VariableDeclarator decl in stmt.declaration.variable_declarators) {
if (decl.initializer != null) {
- rhs = (CCodeExpression) decl.initializer.ccodenode;
-
- if (decl.type_reference.type != null
- && decl.initializer.static_type.type != null
- && decl.type_reference.type.is_reference_type ()
- && decl.initializer.static_type.type != decl.type_reference.type) {
- rhs = new InstanceCast (type_reference = decl.type_reference.type, inner = rhs);
- }
- } else if (decl.type_reference.type != null && decl.type_reference.type.is_reference_type ()) {
- rhs = new CCodeConstant (name = "NULL");
+ create_temp_decl (stmt, decl.initializer.temp_vars);
}
-
- decl.ccodenode = new CCodeVariableDeclarator (name = decl.name, initializer = rhs);
-
- decl.symbol.active = true;
}
+ }
- public override void visit_initializer_list (InitializerList! list) {
- var clist = new CCodeInitializerList ();
- foreach (Expression expr in list.initializers) {
- clist.append ((CCodeExpression) expr.ccodenode);
+ public override void visit_variable_declarator (VariableDeclarator! decl) {
+ CCodeExpression rhs = null;
+ if (decl.initializer != null) {
+ rhs = (CCodeExpression) decl.initializer.ccodenode;
+
+ if (decl.type_reference.type != null
+ && decl.initializer.static_type.type != null
+ && decl.type_reference.type.is_reference_type ()
+ && decl.initializer.static_type.type != decl.type_reference.type) {
+ rhs = new InstanceCast (type_reference = decl.type_reference.type, inner = rhs);
}
- list.ccodenode = clist;
+ } else if (decl.type_reference.type != null && decl.type_reference.type.is_reference_type ()) {
+ rhs = new CCodeConstant (name = "NULL");
}
-
- private ref VariableDeclarator get_temp_variable_declarator (TypeReference! type) {
- var decl = new VariableDeclarator (name = "__temp%d".printf (next_temp_var_id));
- decl.type_reference = type.copy ();
- decl.type_reference.is_ref = false;
- decl.type_reference.is_out = false;
-
- next_temp_var_id++;
- return decl;
+ decl.ccodenode = new CCodeVariableDeclarator (name = decl.name, initializer = rhs);
+
+ decl.symbol.active = true;
+ }
+
+ public override void visit_initializer_list (InitializerList! list) {
+ var clist = new CCodeInitializerList ();
+ foreach (Expression expr in list.initializers) {
+ clist.append ((CCodeExpression) expr.ccodenode);
}
+ list.ccodenode = clist;
+ }
+
+ private ref VariableDeclarator get_temp_variable_declarator (TypeReference! type) {
+ var decl = new VariableDeclarator (name = "__temp%d".printf (next_temp_var_id));
+ decl.type_reference = type.copy ();
+ decl.type_reference.is_ref = false;
+ decl.type_reference.is_out = false;
- private ref CCodeExpression get_unref_expression (CCodeExpression! cvar, TypeReference! type) {
- /* (foo == NULL ? NULL : foo = (unref (foo), NULL)) */
-
- /* can be simplified to
- * foo = (unref (foo), NULL)
- * if foo is of static type non-null
- */
+ next_temp_var_id++;
+
+ return decl;
+ }
+
+ private ref CCodeExpression get_unref_expression (CCodeExpression! cvar, TypeReference! type) {
+ /* (foo == NULL ? NULL : foo = (unref (foo), NULL)) */
+
+ /* can be simplified to
+ * foo = (unref (foo), NULL)
+ * if foo is of static type non-null
+ */
- var cisnull = new CCodeBinaryExpression (operator = CCodeBinaryOperator.EQUALITY, left = cvar, right = new CCodeConstant (name = "NULL"));
+ var cisnull = new CCodeBinaryExpression (operator = CCodeBinaryOperator.EQUALITY, left = cvar, right = new CCodeConstant (name = "NULL"));
- string unref_function;
- if (type.type.is_reference_counting ()) {
- unref_function = type.type.get_unref_function ();
- } else {
- unref_function = type.type.get_free_function ();
- }
+ string unref_function;
+ if (type.type.is_reference_counting ()) {
+ unref_function = type.type.get_unref_function ();
+ } else {
+ unref_function = type.type.get_free_function ();
+ }
+
+ if (type.array && type.type.name == "string") {
+ unref_function = "g_strfreev";
+ }
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = unref_function));
+ ccall.add_argument (cvar);
- if (type.array && type.type.name == "string") {
- unref_function = "g_strfreev";
- }
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = unref_function));
- ccall.add_argument (cvar);
-
- /* set freed references to NULL to prevent further use */
- var ccomma = new CCodeCommaExpression ();
-
- if (unref_function == "g_list_free") {
- bool is_ref = false;
- bool is_class = false;
- var type_args = type.get_type_arguments ();
- foreach (TypeReference type_arg in type_args) {
- is_ref = type_arg.is_ref;
- is_class = type_arg.type is Class;
- }
-
- if (is_ref) {
- var cunrefcall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_list_foreach"));
- cunrefcall.add_argument (cvar);
- if (is_class) {
- cunrefcall.add_argument (new CCodeIdentifier (name = "(GFunc) g_object_unref"));
- } else {
- cunrefcall.add_argument (new CCodeIdentifier (name = "(GFunc) g_free"));
- }
- cunrefcall.add_argument (new CCodeConstant (name = "NULL"));
- ccomma.inner.append (cunrefcall);
+ /* set freed references to NULL to prevent further use */
+ var ccomma = new CCodeCommaExpression ();
+
+ if (unref_function == "g_list_free") {
+ bool is_ref = false;
+ bool is_class = false;
+ var type_args = type.get_type_arguments ();
+ foreach (TypeReference type_arg in type_args) {
+ is_ref = type_arg.is_ref;
+ is_class = type_arg.type is Class;
+ }
+
+ if (is_ref) {
+ var cunrefcall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_list_foreach"));
+ cunrefcall.add_argument (cvar);
+ if (is_class) {
+ cunrefcall.add_argument (new CCodeIdentifier (name = "(GFunc) g_object_unref"));
+ } else {
+ cunrefcall.add_argument (new CCodeIdentifier (name = "(GFunc) g_free"));
}
- } else if (unref_function == "g_string_free") {
- ccall.add_argument (new CCodeConstant (name = "TRUE"));
+ cunrefcall.add_argument (new CCodeConstant (name = "NULL"));
+ ccomma.inner.append (cunrefcall);
}
-
- ccomma.inner.append (ccall);
- ccomma.inner.append (new CCodeConstant (name = "NULL"));
-
- var cassign = new CCodeAssignment (left = cvar, right = ccomma);
-
- return new CCodeConditionalExpression (condition = cisnull, true_expression = new CCodeConstant (name = "NULL"), false_expression = new CCodeParenthesizedExpression (inner = cassign));
+ } else if (unref_function == "g_string_free") {
+ ccall.add_argument (new CCodeConstant (name = "TRUE"));
}
- public override void visit_end_full_expression (Expression! expr) {
- if (!memory_management) {
- temp_vars = null;
- temp_ref_vars = null;
- return;
- }
+ ccomma.inner.append (ccall);
+ ccomma.inner.append (new CCodeConstant (name = "NULL"));
- /* expr is a full expression, i.e. an initializer, the
- * expression in an expression statement, the controlling
- * expression in if, while, for, or foreach statements
- *
- * we unref temporary variables at the end of a full
- * expression
- */
-
- /* can't automatically deep copy lists yet, so do it
- * manually for now
- * replace with
- * expr.temp_vars = temp_vars;
- * when deep list copying works
- */
- expr.temp_vars = null;
- foreach (VariableDeclarator decl1 in temp_vars) {
- expr.temp_vars.append (decl1);
- }
+ var cassign = new CCodeAssignment (left = cvar, right = ccomma);
+
+ return new CCodeConditionalExpression (condition = cisnull, true_expression = new CCodeConstant (name = "NULL"), false_expression = new CCodeParenthesizedExpression (inner = cassign));
+ }
+
+ public override void visit_end_full_expression (Expression! expr) {
+ if (!memory_management) {
temp_vars = null;
-
- if (temp_ref_vars == null) {
- /* nothing to do without temporary variables */
- return;
- }
-
- var full_expr_decl = get_temp_variable_declarator (expr.static_type);
- expr.temp_vars.append (full_expr_decl);
-
- var expr_list = new CCodeCommaExpression ();
- expr_list.inner.append (new CCodeAssignment (left = new CCodeIdentifier (name = full_expr_decl.name), right = expr.ccodenode));
-
- foreach (VariableDeclarator decl in temp_ref_vars) {
- expr_list.inner.append (get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference));
- }
-
- expr_list.inner.append (new CCodeIdentifier (name = full_expr_decl.name));
-
- expr.ccodenode = expr_list;
-
temp_ref_vars = null;
+ return;
+ }
+
+ /* expr is a full expression, i.e. an initializer, the
+ * expression in an expression statement, the controlling
+ * expression in if, while, for, or foreach statements
+ *
+ * we unref temporary variables at the end of a full
+ * expression
+ */
+
+ /* can't automatically deep copy lists yet, so do it
+ * manually for now
+ * replace with
+ * expr.temp_vars = temp_vars;
+ * when deep list copying works
+ */
+ expr.temp_vars = null;
+ foreach (VariableDeclarator decl1 in temp_vars) {
+ expr.temp_vars.append (decl1);
+ }
+ temp_vars = null;
+
+ if (temp_ref_vars == null) {
+ /* nothing to do without temporary variables */
+ return;
+ }
+
+ var full_expr_decl = get_temp_variable_declarator (expr.static_type);
+ expr.temp_vars.append (full_expr_decl);
+
+ var expr_list = new CCodeCommaExpression ();
+ expr_list.inner.append (new CCodeAssignment (left = new CCodeIdentifier (name = full_expr_decl.name), right = expr.ccodenode));
+
+ foreach (VariableDeclarator decl in temp_ref_vars) {
+ expr_list.inner.append (get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference));
}
- private void append_temp_decl (CCodeFragment! cfrag, List<VariableDeclarator> temp_vars) {
- foreach (VariableDeclarator decl in temp_vars) {
- var cdecl = new CCodeDeclaration (type_name = decl.type_reference.get_cname (true));
+ expr_list.inner.append (new CCodeIdentifier (name = full_expr_decl.name));
+
+ expr.ccodenode = expr_list;
+
+ temp_ref_vars = null;
+ }
+
+ private void append_temp_decl (CCodeFragment! cfrag, List<VariableDeclarator> temp_vars) {
+ foreach (VariableDeclarator decl in temp_vars) {
+ var cdecl = new CCodeDeclaration (type_name = decl.type_reference.get_cname (true));
+
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = decl.name));
- cdecl.add_declarator (new CCodeVariableDeclarator (name = decl.name));
-
- cfrag.append (cdecl);
- }
+ cfrag.append (cdecl);
}
+ }
- public override void visit_expression_statement (ExpressionStatement! stmt) {
- stmt.ccodenode = new CCodeExpressionStatement (expression = (CCodeExpression) stmt.expression.ccodenode);
-
- /* free temporary objects */
- if (!memory_management) {
- temp_vars = null;
- temp_ref_vars = null;
- return;
- }
-
- if (temp_vars == null) {
- /* nothing to do without temporary variables */
- return;
- }
-
- var cfrag = new CCodeFragment ();
- append_temp_decl (cfrag, temp_vars);
-
- cfrag.append (stmt.ccodenode);
-
- foreach (VariableDeclarator decl in temp_ref_vars) {
- cfrag.append (new CCodeExpressionStatement (expression = get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference)));
- }
-
- stmt.ccodenode = cfrag;
-
+ public override void visit_expression_statement (ExpressionStatement! stmt) {
+ stmt.ccodenode = new CCodeExpressionStatement (expression = (CCodeExpression) stmt.expression.ccodenode);
+
+ /* free temporary objects */
+ if (!memory_management) {
temp_vars = null;
temp_ref_vars = null;
+ return;
}
- private void create_temp_decl (Statement! stmt, List<VariableDeclarator> temp_vars) {
- /* declare temporary variables */
-
- if (temp_vars == null) {
- /* nothing to do without temporary variables */
- return;
- }
-
- var cfrag = new CCodeFragment ();
- append_temp_decl (cfrag, temp_vars);
-
- cfrag.append (stmt.ccodenode);
-
- stmt.ccodenode = cfrag;
+ if (temp_vars == null) {
+ /* nothing to do without temporary variables */
+ return;
+ }
+
+ var cfrag = new CCodeFragment ();
+ append_temp_decl (cfrag, temp_vars);
+
+ cfrag.append (stmt.ccodenode);
+
+ foreach (VariableDeclarator decl in temp_ref_vars) {
+ cfrag.append (new CCodeExpressionStatement (expression = get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference)));
+ }
+
+ stmt.ccodenode = cfrag;
+
+ temp_vars = null;
+ temp_ref_vars = null;
+ }
+
+ private void create_temp_decl (Statement! stmt, List<VariableDeclarator> temp_vars) {
+ /* declare temporary variables */
+
+ if (temp_vars == null) {
+ /* nothing to do without temporary variables */
+ return;
}
+
+ var cfrag = new CCodeFragment ();
+ append_temp_decl (cfrag, temp_vars);
+
+ cfrag.append (stmt.ccodenode);
+
+ stmt.ccodenode = cfrag;
+ }
- public override void visit_if_statement (IfStatement! stmt) {
- if (stmt.false_statement != null) {
- stmt.ccodenode = new CCodeIfStatement (condition = (CCodeExpression) stmt.condition.ccodenode, true_statement = (CCodeStatement) stmt.true_statement.ccodenode, false_statement = (CCodeStatement) stmt.false_statement.ccodenode);
- } else {
- stmt.ccodenode = new CCodeIfStatement (condition = (CCodeExpression) stmt.condition.ccodenode, true_statement = (CCodeStatement) stmt.true_statement.ccodenode);
- }
-
- create_temp_decl (stmt, stmt.condition.temp_vars);
+ public override void visit_if_statement (IfStatement! stmt) {
+ if (stmt.false_statement != null) {
+ stmt.ccodenode = new CCodeIfStatement (condition = (CCodeExpression) stmt.condition.ccodenode, true_statement = (CCodeStatement) stmt.true_statement.ccodenode, false_statement = (CCodeStatement) stmt.false_statement.ccodenode);
+ } else {
+ stmt.ccodenode = new CCodeIfStatement (condition = (CCodeExpression) stmt.condition.ccodenode, true_statement = (CCodeStatement) stmt.true_statement.ccodenode);
}
+
+ create_temp_decl (stmt, stmt.condition.temp_vars);
+ }
- public override void visit_while_statement (WhileStatement! stmt) {
- stmt.ccodenode = new CCodeWhileStatement (condition = (CCodeExpression) stmt.condition.ccodenode, body = (CCodeStatement) stmt.body.ccodenode);
-
- create_temp_decl (stmt, stmt.condition.temp_vars);
+ public override void visit_while_statement (WhileStatement! stmt) {
+ stmt.ccodenode = new CCodeWhileStatement (condition = (CCodeExpression) stmt.condition.ccodenode, body = (CCodeStatement) stmt.body.ccodenode);
+
+ create_temp_decl (stmt, stmt.condition.temp_vars);
+ }
+
+ public override void visit_for_statement (ForStatement! stmt) {
+ var cfor = new CCodeForStatement (condition = (CCodeExpression) stmt.condition.ccodenode, body = (CCodeStatement) stmt.body.ccodenode);
+
+ foreach (Expression init_expr in stmt.initializer) {
+ cfor.add_initializer ((CCodeExpression) init_expr.ccodenode);
}
+
+ foreach (Expression it_expr in stmt.iterator) {
+ cfor.add_iterator ((CCodeExpression) it_expr.ccodenode);
+ }
+
+ stmt.ccodenode = cfor;
+
+ create_temp_decl (stmt, stmt.condition.temp_vars);
+ }
- public override void visit_for_statement (ForStatement! stmt) {
- var cfor = new CCodeForStatement (condition = (CCodeExpression) stmt.condition.ccodenode, body = (CCodeStatement) stmt.body.ccodenode);
+ public override void visit_end_foreach_statement (ForeachStatement! stmt) {
+ var cblock = new CCodeBlock ();
+
+ if (stmt.collection.static_type.array) {
+ var it_name = "%s_it".printf (stmt.variable_name);
+
+ var citdecl = new CCodeDeclaration (type_name = stmt.collection.static_type.get_cname ());
+ citdecl.add_declarator (new CCodeVariableDeclarator (name = it_name));
+ cblock.add_statement (citdecl);
- foreach (Expression init_expr in stmt.initializer) {
- cfor.add_initializer ((CCodeExpression) init_expr.ccodenode);
- }
+ var cbody = new CCodeBlock ();
- foreach (Expression it_expr in stmt.iterator) {
- cfor.add_iterator ((CCodeExpression) it_expr.ccodenode);
- }
+ var cdecl = new CCodeDeclaration (type_name = stmt.type_reference.get_cname ());
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = stmt.variable_name, initializer = new CCodeIdentifier (name = "*%s".printf (it_name))));
+ cbody.add_statement (cdecl);
- stmt.ccodenode = cfor;
+ cbody.add_statement (stmt.body.ccodenode);
- create_temp_decl (stmt, stmt.condition.temp_vars);
- }
-
- public override void visit_end_foreach_statement (ForeachStatement! stmt) {
- var cblock = new CCodeBlock ();
+ var ccond = new CCodeBinaryExpression (operator = CCodeBinaryOperator.INEQUALITY, left = new CCodeIdentifier (name = "*%s".printf (it_name)), right = new CCodeConstant (name = "NULL"));
- if (stmt.collection.static_type.array) {
- var it_name = "%s_it".printf (stmt.variable_name);
+ var cfor = new CCodeForStatement (condition = ccond, body = cbody);
+ cfor.add_initializer (new CCodeAssignment (left = new CCodeIdentifier (name = it_name), right = (CCodeExpression) stmt.collection.ccodenode));
+ cfor.add_iterator (new CCodeAssignment (left = new CCodeIdentifier (name = it_name), right = new CCodeBinaryExpression (operator = CCodeBinaryOperator.PLUS, left = new CCodeIdentifier (name = it_name), right = new CCodeConstant (name = "1"))));
+ cblock.add_statement (cfor);
+ } else if (stmt.collection.static_type.type.name == "List") {
+ var it_name = "%s_it".printf (stmt.variable_name);
+
+ var citdecl = new CCodeDeclaration (type_name = "GList *");
+ citdecl.add_declarator (new CCodeVariableDeclarator (name = it_name));
+ cblock.add_statement (citdecl);
- var citdecl = new CCodeDeclaration (type_name = stmt.collection.static_type.get_cname ());
- citdecl.add_declarator (new CCodeVariableDeclarator (name = it_name));
- cblock.add_statement (citdecl);
-
- var cbody = new CCodeBlock ();
-
- var cdecl = new CCodeDeclaration (type_name = stmt.type_reference.get_cname ());
- cdecl.add_declarator (new CCodeVariableDeclarator (name = stmt.variable_name, initializer = new CCodeIdentifier (name = "*%s".printf (it_name))));
- cbody.add_statement (cdecl);
-
- cbody.add_statement (stmt.body.ccodenode);
-
- var ccond = new CCodeBinaryExpression (operator = CCodeBinaryOperator.INEQUALITY, left = new CCodeIdentifier (name = "*%s".printf (it_name)), right = new CCodeConstant (name = "NULL"));
-
- var cfor = new CCodeForStatement (condition = ccond, body = cbody);
- cfor.add_initializer (new CCodeAssignment (left = new CCodeIdentifier (name = it_name), right = (CCodeExpression) stmt.collection.ccodenode));
- cfor.add_iterator (new CCodeAssignment (left = new CCodeIdentifier (name = it_name), right = new CCodeBinaryExpression (operator = CCodeBinaryOperator.PLUS, left = new CCodeIdentifier (name = it_name), right = new CCodeConstant (name = "1"))));
- cblock.add_statement (cfor);
- } else if (stmt.collection.static_type.type.name == "List") {
- var it_name = "%s_it".printf (stmt.variable_name);
+ var cbody = new CCodeBlock ();
- var citdecl = new CCodeDeclaration (type_name = "GList *");
- citdecl.add_declarator (new CCodeVariableDeclarator (name = it_name));
- cblock.add_statement (citdecl);
-
- var cbody = new CCodeBlock ();
-
- var cdecl = new CCodeDeclaration (type_name = stmt.type_reference.get_cname ());
- cdecl.add_declarator (new CCodeVariableDeclarator (name = stmt.variable_name, initializer = new CCodeMemberAccess (inner = new CCodeIdentifier (name = it_name), member_name = "data", is_pointer = true)));
- cbody.add_statement (cdecl);
-
- cbody.add_statement (stmt.body.ccodenode);
-
- var ccond = new CCodeBinaryExpression (operator = CCodeBinaryOperator.INEQUALITY, left = new CCodeIdentifier (name = it_name), right = new CCodeConstant (name = "NULL"));
-
- var cfor = new CCodeForStatement (condition = ccond, body = cbody);
- cfor.add_initializer (new CCodeAssignment (left = new CCodeIdentifier (name = it_name), right = (CCodeExpression) stmt.collection.ccodenode));
- cfor.add_iterator (new CCodeAssignment (left = new CCodeIdentifier (name = it_name), right = new CCodeMemberAccess (inner = new CCodeIdentifier (name = it_name), member_name = "next", is_pointer = true)));
- cblock.add_statement (cfor);
- }
+ var cdecl = new CCodeDeclaration (type_name = stmt.type_reference.get_cname ());
+ cdecl.add_declarator (new CCodeVariableDeclarator (name = stmt.variable_name, initializer = new CCodeMemberAccess (inner = new CCodeIdentifier (name = it_name), member_name = "data", is_pointer = true)));
+ cbody.add_statement (cdecl);
- stmt.ccodenode = cblock;
- }
-
- public override void visit_break_statement (BreakStatement! stmt) {
- stmt.ccodenode = new CCodeBreakStatement ();
- }
-
- public override void visit_continue_statement (ContinueStatement! stmt) {
- stmt.ccodenode = new CCodeContinueStatement ();
- }
-
- private void append_local_free (Symbol sym, CCodeFragment cfrag, bool stop_at_loop) {
- var b = (Block) sym.node;
-
- var local_vars = b.get_local_variables ();
- foreach (VariableDeclarator decl in local_vars) {
- if (decl.symbol.active && decl.type_reference.type.is_reference_type () && decl.type_reference.is_lvalue_ref) {
- cfrag.append (new CCodeExpressionStatement (expression = get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference)));
- }
- }
+ cbody.add_statement (stmt.body.ccodenode);
- if (sym.parent_symbol.node is Block) {
- append_local_free (sym.parent_symbol, cfrag, stop_at_loop);
- }
- }
-
- private void create_local_free (Statement stmt) {
- if (!memory_management) {
- return;
- }
+ var ccond = new CCodeBinaryExpression (operator = CCodeBinaryOperator.INEQUALITY, left = new CCodeIdentifier (name = it_name), right = new CCodeConstant (name = "NULL"));
- var cfrag = new CCodeFragment ();
-
- append_local_free (current_symbol, cfrag, false);
-
- cfrag.append (stmt.ccodenode);
- stmt.ccodenode = cfrag;
+ var cfor = new CCodeForStatement (condition = ccond, body = cbody);
+ cfor.add_initializer (new CCodeAssignment (left = new CCodeIdentifier (name = it_name), right = (CCodeExpression) stmt.collection.ccodenode));
+ cfor.add_iterator (new CCodeAssignment (left = new CCodeIdentifier (name = it_name), right = new CCodeMemberAccess (inner = new CCodeIdentifier (name = it_name), member_name = "next", is_pointer = true)));
+ cblock.add_statement (cfor);
}
- private bool append_local_free_expr (Symbol sym, CCodeCommaExpression ccomma, bool stop_at_loop) {
- var found = false;
-
- var b = (Block) sym.node;
+ stmt.ccodenode = cblock;
+ }
- var local_vars = b.get_local_variables ();
- foreach (VariableDeclarator decl in local_vars) {
- if (decl.symbol.active && decl.type_reference.type.is_reference_type () && decl.type_reference.is_lvalue_ref) {
- found = true;
- ccomma.inner.append (get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference));
- }
- }
-
- if (sym.parent_symbol.node is Block) {
- found = found || append_local_free_expr (sym.parent_symbol, ccomma, stop_at_loop);
- }
-
- return found;
- }
+ public override void visit_break_statement (BreakStatement! stmt) {
+ stmt.ccodenode = new CCodeBreakStatement ();
+ }
- private void create_local_free_expr (Expression expr) {
- if (!memory_management) {
- return;
- }
-
- var return_expr_decl = get_temp_variable_declarator (expr.static_type);
-
- var ccomma = new CCodeCommaExpression ();
- ccomma.inner.append (new CCodeAssignment (left = new CCodeIdentifier (name = return_expr_decl.name), right = expr.ccodenode));
+ public override void visit_continue_statement (ContinueStatement! stmt) {
+ stmt.ccodenode = new CCodeContinueStatement ();
+ }
+
+ private void append_local_free (Symbol sym, CCodeFragment cfrag, bool stop_at_loop) {
+ var b = (Block) sym.node;
- if (!append_local_free_expr (current_symbol, ccomma, false)) {
- /* no local variables need to be freed */
- return;
+ var local_vars = b.get_local_variables ();
+ foreach (VariableDeclarator decl in local_vars) {
+ if (decl.symbol.active && decl.type_reference.type.is_reference_type () && decl.type_reference.is_lvalue_ref) {
+ cfrag.append (new CCodeExpressionStatement (expression = get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference)));
}
+ }
+
+ if (sym.parent_symbol.node is Block) {
+ append_local_free (sym.parent_symbol, cfrag, stop_at_loop);
+ }
+ }
- ccomma.inner.append (new CCodeIdentifier (name = return_expr_decl.name));
-
- expr.ccodenode = ccomma;
- expr.temp_vars.append (return_expr_decl);
+ private void create_local_free (Statement stmt) {
+ if (!memory_management) {
+ return;
}
+
+ var cfrag = new CCodeFragment ();
+
+ append_local_free (current_symbol, cfrag, false);
- public override void visit_return_statement (ReturnStatement! stmt) {
- if (stmt.return_expression == null) {
- stmt.ccodenode = new CCodeReturnStatement ();
-
- create_local_free (stmt);
- } else {
- create_local_free_expr (stmt.return_expression);
+ cfrag.append (stmt.ccodenode);
+ stmt.ccodenode = cfrag;
+ }
+
+ private bool append_local_free_expr (Symbol sym, CCodeCommaExpression ccomma, bool stop_at_loop) {
+ var found = false;
+
+ var b = (Block) sym.node;
- stmt.ccodenode = new CCodeReturnStatement (return_expression = (CCodeExpression) stmt.return_expression.ccodenode);
-
- create_temp_decl (stmt, stmt.return_expression.temp_vars);
+ var local_vars = b.get_local_variables ();
+ foreach (VariableDeclarator decl in local_vars) {
+ if (decl.symbol.active && decl.type_reference.type.is_reference_type () && decl.type_reference.is_lvalue_ref) {
+ found = true;
+ ccomma.inner.append (get_unref_expression (new CCodeIdentifier (name = decl.name), decl.type_reference));
}
}
-
- public override void visit_boolean_literal (BooleanLiteral! expr) {
- if (expr.value) {
- expr.ccodenode = new CCodeConstant (name = "TRUE");
- } else {
- expr.ccodenode = new CCodeConstant (name = "FALSE");
- }
+
+ if (sym.parent_symbol.node is Block) {
+ found = found || append_local_free_expr (sym.parent_symbol, ccomma, stop_at_loop);
}
+
+ return found;
+ }
- public override void visit_character_literal (CharacterLiteral! expr) {
- expr.ccodenode = new CCodeConstant (name = expr.value);
+ private void create_local_free_expr (Expression expr) {
+ if (!memory_management) {
+ return;
}
+
+ var return_expr_decl = get_temp_variable_declarator (expr.static_type);
+
+ var ccomma = new CCodeCommaExpression ();
+ ccomma.inner.append (new CCodeAssignment (left = new CCodeIdentifier (name = return_expr_decl.name), right = expr.ccodenode));
- public override void visit_integer_literal (IntegerLiteral! expr) {
- expr.ccodenode = new CCodeConstant (name = expr.value);
+ if (!append_local_free_expr (current_symbol, ccomma, false)) {
+ /* no local variables need to be freed */
+ return;
}
- public override void visit_real_literal (RealLiteral! expr) {
- expr.ccodenode = new CCodeConstant (name = expr.value);
- }
+ ccomma.inner.append (new CCodeIdentifier (name = return_expr_decl.name));
+
+ expr.ccodenode = ccomma;
+ expr.temp_vars.append (return_expr_decl);
+ }
- public override void visit_string_literal (StringLiteral! expr) {
- expr.ccodenode = new CCodeConstant (name = expr.value);
- }
+ public override void visit_return_statement (ReturnStatement! stmt) {
+ if (stmt.return_expression == null) {
+ stmt.ccodenode = new CCodeReturnStatement ();
+
+ create_local_free (stmt);
+ } else {
+ create_local_free_expr (stmt.return_expression);
- public override void visit_null_literal (NullLiteral! expr) {
- expr.ccodenode = new CCodeConstant (name = "NULL");
+ stmt.ccodenode = new CCodeReturnStatement (return_expression = (CCodeExpression) stmt.return_expression.ccodenode);
+
+ create_temp_decl (stmt, stmt.return_expression.temp_vars);
}
+ }
- public override void visit_literal_expression (LiteralExpression! expr) {
- expr.ccodenode = expr.literal.ccodenode;
-
- visit_expression (expr);
+ public override void visit_boolean_literal (BooleanLiteral! expr) {
+ if (expr.value) {
+ expr.ccodenode = new CCodeConstant (name = "TRUE");
+ } else {
+ expr.ccodenode = new CCodeConstant (name = "FALSE");
}
+ }
+
+ public override void visit_character_literal (CharacterLiteral! expr) {
+ expr.ccodenode = new CCodeConstant (name = expr.value);
+ }
+
+ public override void visit_integer_literal (IntegerLiteral! expr) {
+ expr.ccodenode = new CCodeConstant (name = expr.value);
+ }
+
+ public override void visit_real_literal (RealLiteral! expr) {
+ expr.ccodenode = new CCodeConstant (name = expr.value);
+ }
+
+ public override void visit_string_literal (StringLiteral! expr) {
+ expr.ccodenode = new CCodeConstant (name = expr.value);
+ }
+
+ public override void visit_null_literal (NullLiteral! expr) {
+ expr.ccodenode = new CCodeConstant (name = "NULL");
+ }
+
+ public override void visit_literal_expression (LiteralExpression! expr) {
+ expr.ccodenode = expr.literal.ccodenode;
- private void process_cmember (MemberAccess! expr, CCodeExpression pub_inst, DataType base_type) {
- if (expr.symbol_reference.node is Method) {
- var m = (Method) expr.symbol_reference.node;
- if (!m.is_override) {
- expr.ccodenode = new CCodeIdentifier (name = m.get_cname ());
+ visit_expression (expr);
+ }
+
+ private void process_cmember (MemberAccess! expr, CCodeExpression pub_inst, DataType base_type) {
+ if (expr.symbol_reference.node is Method) {
+ var m = (Method) expr.symbol_reference.node;
+ if (!m.is_override) {
+ expr.ccodenode = new CCodeIdentifier (name = m.get_cname ());
+ } else {
+ expr.ccodenode = new CCodeIdentifier (name = m.base_method.get_cname ());
+ }
+ } else if (expr.symbol_reference.node is Field) {
+ var f = (Field) expr.symbol_reference.node;
+ if (f.instance) {
+ ref CCodeExpression typed_inst;
+ if (f.symbol.parent_symbol.node != base_type) {
+ typed_inst = new CCodeFunctionCall (call = new CCodeIdentifier (name = ((DataType) f.symbol.parent_symbol.node).get_upper_case_cname (null)));
+ ((CCodeFunctionCall) typed_inst).add_argument (pub_inst);
} else {
- expr.ccodenode = new CCodeIdentifier (name = m.base_method.get_cname ());
+ typed_inst = pub_inst;
}
- } else if (expr.symbol_reference.node is Field) {
- var f = (Field) expr.symbol_reference.node;
- if (f.instance) {
- ref CCodeExpression typed_inst;
- if (f.symbol.parent_symbol.node != base_type) {
- typed_inst = new CCodeFunctionCall (call = new CCodeIdentifier (name = ((DataType) f.symbol.parent_symbol.node).get_upper_case_cname (null)));
- ((CCodeFunctionCall) typed_inst).add_argument (pub_inst);
- } else {
- typed_inst = pub_inst;
- }
- ref CCodeExpression inst;
- if (f.access == MemberAccessibility.PRIVATE) {
- inst = new CCodeMemberAccess (inner = typed_inst, member_name = "priv", is_pointer = true);
- } else {
- inst = typed_inst;
- }
- expr.ccodenode = new CCodeMemberAccess (inner = inst, member_name = f.get_cname (), is_pointer = true);
+ ref CCodeExpression inst;
+ if (f.access == MemberAccessibility.PRIVATE) {
+ inst = new CCodeMemberAccess (inner = typed_inst, member_name = "priv", is_pointer = true);
} else {
- if (f.symbol.parent_symbol.node is DataType) {
- var t = (DataType) f.symbol.parent_symbol.node;
- expr.ccodenode = new CCodeIdentifier (name = "%s_%s".printf (t.get_lower_case_cname (null), f.get_cname ()));
- } else {
- expr.ccodenode = new CCodeIdentifier (name = f.get_cname ());
- }
+ inst = typed_inst;
}
- } else if (expr.symbol_reference.node is Constant) {
- var c = (Constant) expr.symbol_reference.node;
- expr.ccodenode = new CCodeIdentifier (name = c.get_cname ());
- } else if (expr.symbol_reference.node is Property) {
- var prop = (Property) expr.symbol_reference.node;
- var cl = (Class) prop.symbol.parent_symbol.node;
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_get_%s".printf (cl.get_lower_case_cname (null), prop.name)));
-
- /* explicitly use strong reference as ccast
- * gets unrefed at the end of the inner block
- */
- ref CCodeExpression typed_pub_inst = pub_inst;
-
- /* cast if necessary */
- if (prop.no_accessor_method) {
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT"));
- ccast.add_argument (pub_inst);
- typed_pub_inst = ccast;
- } else if (prop.symbol.parent_symbol.node != base_type) {
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = ((DataType) prop.symbol.parent_symbol.node).get_upper_case_cname (null)));
- ccast.add_argument (pub_inst);
- typed_pub_inst = ccast;
+ expr.ccodenode = new CCodeMemberAccess (inner = inst, member_name = f.get_cname (), is_pointer = true);
+ } else {
+ if (f.symbol.parent_symbol.node is DataType) {
+ var t = (DataType) f.symbol.parent_symbol.node;
+ expr.ccodenode = new CCodeIdentifier (name = "%s_%s".printf (t.get_lower_case_cname (null), f.get_cname ()));
+ } else {
+ expr.ccodenode = new CCodeIdentifier (name = f.get_cname ());
}
+ }
+ } else if (expr.symbol_reference.node is Constant) {
+ var c = (Constant) expr.symbol_reference.node;
+ expr.ccodenode = new CCodeIdentifier (name = c.get_cname ());
+ } else if (expr.symbol_reference.node is Property) {
+ var prop = (Property) expr.symbol_reference.node;
+ var cl = (Class) prop.symbol.parent_symbol.node;
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "%s_get_%s".printf (cl.get_lower_case_cname (null), prop.name)));
+
+ /* explicitly use strong reference as ccast
+ * gets unrefed at the end of the inner block
+ */
+ ref CCodeExpression typed_pub_inst = pub_inst;
+
+ /* cast if necessary */
+ if (prop.no_accessor_method) {
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = "G_OBJECT"));
+ ccast.add_argument (pub_inst);
+ typed_pub_inst = ccast;
+ } else if (prop.symbol.parent_symbol.node != base_type) {
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = ((DataType) prop.symbol.parent_symbol.node).get_upper_case_cname (null)));
+ ccast.add_argument (pub_inst);
+ typed_pub_inst = ccast;
+ }
- ccall.add_argument (typed_pub_inst);
- expr.ccodenode = ccall;
- } else if (expr.symbol_reference.node is EnumValue) {
- var ev = (EnumValue) expr.symbol_reference.node;
- expr.ccodenode = new CCodeConstant (name = ev.get_cname ());
- } else if (expr.symbol_reference.node is VariableDeclarator) {
- var decl = (VariableDeclarator) expr.symbol_reference.node;
- expr.ccodenode = new CCodeIdentifier (name = decl.name);
- } else if (expr.symbol_reference.node is FormalParameter) {
- var p = (FormalParameter) expr.symbol_reference.node;
- if (p.name == "this") {
- expr.ccodenode = pub_inst;
+ ccall.add_argument (typed_pub_inst);
+ expr.ccodenode = ccall;
+ } else if (expr.symbol_reference.node is EnumValue) {
+ var ev = (EnumValue) expr.symbol_reference.node;
+ expr.ccodenode = new CCodeConstant (name = ev.get_cname ());
+ } else if (expr.symbol_reference.node is VariableDeclarator) {
+ var decl = (VariableDeclarator) expr.symbol_reference.node;
+ expr.ccodenode = new CCodeIdentifier (name = decl.name);
+ } else if (expr.symbol_reference.node is FormalParameter) {
+ var p = (FormalParameter) expr.symbol_reference.node;
+ if (p.name == "this") {
+ expr.ccodenode = pub_inst;
+ } else {
+ if (p.type_reference.is_out || p.type_reference.is_ref) {
+ expr.ccodenode = new CCodeIdentifier (name = "*%s".printf (p.name));
} else {
- if (p.type_reference.is_out || p.type_reference.is_ref) {
- expr.ccodenode = new CCodeIdentifier (name = "*%s".printf (p.name));
- } else {
- expr.ccodenode = new CCodeIdentifier (name = p.name);
- }
+ expr.ccodenode = new CCodeIdentifier (name = p.name);
}
}
}
-
- public override void visit_parenthesized_expression (ParenthesizedExpression! expr) {
- expr.ccodenode = new CCodeParenthesizedExpression (inner = (CCodeExpression) expr.inner.ccodenode);
+ }
+
+ public override void visit_parenthesized_expression (ParenthesizedExpression! expr) {
+ expr.ccodenode = new CCodeParenthesizedExpression (inner = (CCodeExpression) expr.inner.ccodenode);
- visit_expression (expr);
- }
+ visit_expression (expr);
+ }
- public override void visit_member_access (MemberAccess! expr) {
- CCodeExpression pub_inst = null;
- DataType base_type = null;
-
- if (expr.inner == null) {
- pub_inst = new CCodeIdentifier (name = "self");
+ public override void visit_member_access (MemberAccess! expr) {
+ CCodeExpression pub_inst = null;
+ DataType base_type = null;
+
+ if (expr.inner == null) {
+ pub_inst = new CCodeIdentifier (name = "self");
- if (current_type_symbol != null) {
- /* base type is available if this is a type method */
- base_type = (DataType) current_type_symbol.node;
- }
- } else {
- pub_inst = (CCodeExpression) expr.inner.ccodenode;
+ if (current_type_symbol != null) {
+ /* base type is available if this is a type method */
+ base_type = (DataType) current_type_symbol.node;
+ }
+ } else {
+ pub_inst = (CCodeExpression) expr.inner.ccodenode;
- if (expr.inner.static_type != null) {
- base_type = expr.inner.static_type.type;
- }
+ if (expr.inner.static_type != null) {
+ base_type = expr.inner.static_type.type;
}
+ }
- process_cmember (expr, pub_inst, base_type);
+ process_cmember (expr, pub_inst, base_type);
- visit_expression (expr);
- }
+ visit_expression (expr);
+ }
- public override void visit_end_invocation_expression (InvocationExpression! expr) {
- var ccall = new CCodeFunctionCall (call = (CCodeExpression) expr.call.ccodenode);
-
- Method m = null;
- List<FormalParameter> params;
-
- if (!(expr.call is MemberAccess)) {
- expr.error = true;
- Report.error (expr.source_reference, "unsupported method invocation");
- return;
- }
-
- var ma = (MemberAccess) expr.call;
-
- if (expr.call.symbol_reference.node is VariableDeclarator) {
- var decl = (VariableDeclarator) expr.call.symbol_reference.node;
- var cb = (Callback) decl.type_reference.type;
- params = cb.get_parameters ();
- } else if (expr.call.symbol_reference.node is FormalParameter) {
- var param = (FormalParameter) expr.call.symbol_reference.node;
- var cb = (Callback) param.type_reference.type;
- params = cb.get_parameters ();
+ public override void visit_end_invocation_expression (InvocationExpression! expr) {
+ var ccall = new CCodeFunctionCall (call = (CCodeExpression) expr.call.ccodenode);
+
+ Method m = null;
+ List<FormalParameter> params;
+
+ if (!(expr.call is MemberAccess)) {
+ expr.error = true;
+ Report.error (expr.source_reference, "unsupported method invocation");
+ return;
+ }
+
+ var ma = (MemberAccess) expr.call;
+
+ if (expr.call.symbol_reference.node is VariableDeclarator) {
+ var decl = (VariableDeclarator) expr.call.symbol_reference.node;
+ var cb = (Callback) decl.type_reference.type;
+ params = cb.get_parameters ();
+ } else if (expr.call.symbol_reference.node is FormalParameter) {
+ var param = (FormalParameter) expr.call.symbol_reference.node;
+ var cb = (Callback) param.type_reference.type;
+ params = cb.get_parameters ();
+ } else {
+ m = (Method) expr.call.symbol_reference.node;
+ params = m.get_parameters ();
+ }
+
+ /* explicitly use strong reference as ccall gets unrefed
+ * at end of inner block
+ */
+ ref CCodeExpression instance;
+ if (m != null && m.instance) {
+ var base_method = m;
+ if (m.is_override) {
+ base_method = m.base_method;
+ }
+
+ var req_cast = false;
+ if (ma.inner == null) {
+ instance = new CCodeIdentifier (name = "self");
+ /* require casts for overriden and inherited methods */
+ req_cast = m.is_override || (m.symbol.parent_symbol != current_type_symbol);
} else {
- m = (Method) expr.call.symbol_reference.node;
- params = m.get_parameters ();
+ instance = (CCodeExpression) ma.inner.ccodenode;
+ /* reqiure casts if the type of the used instance is
+ * different than the type which declared the method */
+ req_cast = base_method.symbol.parent_symbol.node != ma.inner.static_type.type;
}
- /* explicitly use strong reference as ccall gets unrefed
- * at end of inner block
- */
- ref CCodeExpression instance;
- if (m != null && m.instance) {
- var base_method = m;
- if (m.is_override) {
- base_method = m.base_method;
- }
-
- var req_cast = false;
- if (ma.inner == null) {
- instance = new CCodeIdentifier (name = "self");
- /* require casts for overriden and inherited methods */
- req_cast = m.is_override || (m.symbol.parent_symbol != current_type_symbol);
- } else {
- instance = (CCodeExpression) ma.inner.ccodenode;
- /* reqiure casts if the type of the used instance is
- * different than the type which declared the method */
- req_cast = base_method.symbol.parent_symbol.node != ma.inner.static_type.type;
- }
-
- if (req_cast && ((DataType) m.symbol.parent_symbol.node).is_reference_type ()) {
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = ((DataType) base_method.symbol.parent_symbol.node).get_upper_case_cname (null)));
- ccall.add_argument (instance);
- instance = ccall;
- }
-
- if (!m.instance_last) {
- ccall.add_argument (instance);
- }
+ if (req_cast && ((DataType) m.symbol.parent_symbol.node).is_reference_type ()) {
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = ((DataType) base_method.symbol.parent_symbol.node).get_upper_case_cname (null)));
+ ccall.add_argument (instance);
+ instance = ccall;
}
- var i = 1;
- foreach (Expression arg in expr.argument_list) {
- /* explicitly use strong reference as ccall gets
- * unrefed at end of inner block
- */
- ref CCodeExpression cexpr = (CCodeExpression) arg.ccodenode;
- if (params != null) {
- var param = (FormalParameter) params.data;
- if (!param.ellipsis
- && param.type_reference.type != null
- && param.type_reference.type.is_reference_type ()
- && arg.static_type.type != null
- && param.type_reference.type != arg.static_type.type) {
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = param.type_reference.type.get_upper_case_cname (null)));
- ccall.add_argument (cexpr);
- cexpr = ccall;
- }
- }
-
- ccall.add_argument (cexpr);
- i++;
-
- if (params != null) {
- params = params.next;
- }
+ if (!m.instance_last) {
+ ccall.add_argument (instance);
}
- while (params != null) {
+ }
+
+ var i = 1;
+ foreach (Expression arg in expr.argument_list) {
+ /* explicitly use strong reference as ccall gets
+ * unrefed at end of inner block
+ */
+ ref CCodeExpression cexpr = (CCodeExpression) arg.ccodenode;
+ if (params != null) {
var param = (FormalParameter) params.data;
-
- if (param.ellipsis) {
- break;
- }
-
- if (param.default_expression == null) {
- Report.error (expr.source_reference, "no default expression for argument %d".printf (i));
- return;
+ if (!param.ellipsis
+ && param.type_reference.type != null
+ && param.type_reference.type.is_reference_type ()
+ && arg.static_type.type != null
+ && param.type_reference.type != arg.static_type.type) {
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = param.type_reference.type.get_upper_case_cname (null)));
+ ccall.add_argument (cexpr);
+ cexpr = ccall;
}
-
- /* evaluate default expression here as the code
- * generator might not have visited the formal
- * parameter yet */
- param.default_expression.accept (this);
-
- ccall.add_argument ((CCodeExpression) param.default_expression.ccodenode);
- i++;
+ }
+
+ ccall.add_argument (cexpr);
+ i++;
+ if (params != null) {
params = params.next;
}
+ }
+ while (params != null) {
+ var param = (FormalParameter) params.data;
- if (m != null && m.instance && m.instance_last) {
- ccall.add_argument (instance);
+ if (param.ellipsis) {
+ break;
}
- if (m != null && m.instance && m.returns_modified_pointer) {
- expr.ccodenode = new CCodeAssignment (left = instance, right = ccall);
- } else {
- expr.ccodenode = ccall;
-
- visit_expression (expr);
- }
- }
-
- public override void visit_postfix_expression (PostfixExpression! expr) {
- if (expr.increment) {
- expr.ccodenode = new CCodeUnaryExpression (operator = CCodeUnaryOperator.POSTFIX_INCREMENT, inner = expr.inner.ccodenode);
- } else {
- expr.ccodenode = new CCodeUnaryExpression (operator = CCodeUnaryOperator.POSTFIX_DECREMENT, inner = expr.inner.ccodenode);
+ if (param.default_expression == null) {
+ Report.error (expr.source_reference, "no default expression for argument %d".printf (i));
+ return;
}
- visit_expression (expr);
- }
+ /* evaluate default expression here as the code
+ * generator might not have visited the formal
+ * parameter yet */
+ param.default_expression.accept (this);
- private ref CCodeExpression get_ref_expression (Expression! expr) {
- /* (temp = expr, temp == NULL ? temp : ref (temp))
- *
- * can be simplified to
- * ref (expr)
- * if static type of expr is non-null
- *
- * can be simplified to
- * (expr == NULL ? expr : ref (expr))
- * if expr.ccodenode is CCodeSimpleName or CCodeMemberAccess
- */
-
- var decl = get_temp_variable_declarator (expr.static_type);
- temp_vars.prepend (decl);
-
- var ctemp = new CCodeIdentifier (name = decl.name);
-
- var cisnull = new CCodeBinaryExpression (operator = CCodeBinaryOperator.EQUALITY, left = ctemp, right = new CCodeConstant (name = "NULL"));
-
- string ref_function;
- if (expr.static_type.type.is_reference_counting ()) {
- ref_function = expr.static_type.type.get_ref_function ();
- } else {
- ref_function = expr.static_type.type.get_dup_function ();
- }
+ ccall.add_argument ((CCodeExpression) param.default_expression.ccodenode);
+ i++;
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = ref_function));
- ccall.add_argument (ctemp);
-
- var ccomma = new CCodeCommaExpression ();
- ccomma.inner.append (new CCodeAssignment (left = ctemp, right = expr.ccodenode));
- ccomma.inner.append (new CCodeConditionalExpression (condition = cisnull, true_expression = ctemp, false_expression = ccall));
-
- return ccomma;
- }
-
- private void visit_expression (Expression! expr) {
- if (expr.static_type != null &&
- expr.static_type.is_ref &&
- expr.static_type.floating_reference) {
- /* constructor of GInitiallyUnowned subtype
- * returns floating reference, sink it
- */
- var csink = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_object_ref_sink"));
- csink.add_argument ((CCodeExpression) expr.ccodenode);
-
- expr.ccodenode = csink;
- }
+ params = params.next;
+ }
- if (expr.ref_leaked) {
- var decl = get_temp_variable_declarator (expr.static_type);
- temp_vars.prepend (decl);
- temp_ref_vars.prepend (decl);
- expr.ccodenode = new CCodeParenthesizedExpression (inner = new CCodeAssignment (left = new CCodeIdentifier (name = decl.name), right = expr.ccodenode));
- } else if (expr.ref_missing) {
- expr.ccodenode = get_ref_expression (expr);
- }
+ if (m != null && m.instance && m.instance_last) {
+ ccall.add_argument (instance);
}
-
- public override void visit_object_creation_expression (ObjectCreationExpression! expr) {
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_object_new"));
-
- ccall.add_argument (new CCodeConstant (name = expr.type_reference.get_upper_case_cname ("TYPE_")));
-
- foreach (NamedArgument arg in expr.named_argument_list) {
- ccall.add_argument (new CCodeConstant (name = "\"%s\"".printf (arg.name)));
- ccall.add_argument ((CCodeExpression) arg.argument.ccodenode);
- }
- ccall.add_argument (new CCodeConstant (name = "NULL"));
-
+
+ if (m != null && m.instance && m.returns_modified_pointer) {
+ expr.ccodenode = new CCodeAssignment (left = instance, right = ccall);
+ } else {
expr.ccodenode = ccall;
-
+
visit_expression (expr);
}
+ }
- public override void visit_typeof_expression (TypeofExpression! expr) {
- expr.ccodenode = new CCodeIdentifier (name = expr.type_reference.type.get_type_id ());
- }
-
- public override void visit_unary_expression (UnaryExpression! expr) {
- CCodeUnaryOperator op;
- if (expr.operator == UnaryOperator.PLUS) {
- op = CCodeUnaryOperator.PLUS;
- } else if (expr.operator == UnaryOperator.MINUS) {
- op = CCodeUnaryOperator.MINUS;
- } else if (expr.operator == UnaryOperator.LOGICAL_NEGATION) {
- op = CCodeUnaryOperator.LOGICAL_NEGATION;
- } else if (expr.operator == UnaryOperator.BITWISE_COMPLEMENT) {
- op = CCodeUnaryOperator.BITWISE_COMPLEMENT;
- } else if (expr.operator == UnaryOperator.REF) {
- op = CCodeUnaryOperator.ADDRESS_OF;
- } else if (expr.operator == UnaryOperator.OUT) {
- op = CCodeUnaryOperator.ADDRESS_OF;
- }
- expr.ccodenode = new CCodeUnaryExpression (operator = op, inner = expr.inner.ccodenode);
-
- visit_expression (expr);
+ public override void visit_postfix_expression (PostfixExpression! expr) {
+ if (expr.increment) {
+ expr.ccodenode = new CCodeUnaryExpression (operator = CCodeUnaryOperator.POSTFIX_INCREMENT, inner = expr.inner.ccodenode);
+ } else {
+ expr.ccodenode = new CCodeUnaryExpression (operator = CCodeUnaryOperator.POSTFIX_DECREMENT, inner = expr.inner.ccodenode);
}
+
+ visit_expression (expr);
+ }
+
+ private ref CCodeExpression get_ref_expression (Expression! expr) {
+ /* (temp = expr, temp == NULL ? temp : ref (temp))
+ *
+ * can be simplified to
+ * ref (expr)
+ * if static type of expr is non-null
+ *
+ * can be simplified to
+ * (expr == NULL ? expr : ref (expr))
+ * if expr.ccodenode is CCodeSimpleName or CCodeMemberAccess
+ */
+
+ var decl = get_temp_variable_declarator (expr.static_type);
+ temp_vars.prepend (decl);
- public override void visit_cast_expression (CastExpression! expr) {
- if (expr.type_reference.type is Struct || expr.type_reference.type is Enum || expr.type_reference.type is Flags) {
- expr.ccodenode = expr.inner.ccodenode;
- } else {
- expr.ccodenode = new InstanceCast (type_reference = expr.type_reference.type, inner = (CCodeExpression) expr.inner.ccodenode);
- }
-
- visit_expression (expr);
+ var ctemp = new CCodeIdentifier (name = decl.name);
+
+ var cisnull = new CCodeBinaryExpression (operator = CCodeBinaryOperator.EQUALITY, left = ctemp, right = new CCodeConstant (name = "NULL"));
+
+ string ref_function;
+ if (expr.static_type.type.is_reference_counting ()) {
+ ref_function = expr.static_type.type.get_ref_function ();
+ } else {
+ ref_function = expr.static_type.type.get_dup_function ();
}
+
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = ref_function));
+ ccall.add_argument (ctemp);
+
+ var ccomma = new CCodeCommaExpression ();
+ ccomma.inner.append (new CCodeAssignment (left = ctemp, right = expr.ccodenode));
+ ccomma.inner.append (new CCodeConditionalExpression (condition = cisnull, true_expression = ctemp, false_expression = ccall));
- public override void visit_binary_expression (BinaryExpression! expr) {
- expr.ccodenode = new CCodeBinaryExpression (operator = expr.operator, left = expr.left.ccodenode, right = expr.right.ccodenode);
+ return ccomma;
+ }
+
+ private void visit_expression (Expression! expr) {
+ if (expr.static_type != null &&
+ expr.static_type.is_ref &&
+ expr.static_type.floating_reference) {
+ /* constructor of GInitiallyUnowned subtype
+ * returns floating reference, sink it
+ */
+ var csink = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_object_ref_sink"));
+ csink.add_argument ((CCodeExpression) expr.ccodenode);
- visit_expression (expr);
+ expr.ccodenode = csink;
}
-
- public override void visit_type_check (TypeCheck! expr) {
- var ccheck = new CCodeFunctionCall (call = new CCodeIdentifier (name = expr.type_reference.type.get_upper_case_cname ("IS_")));
- ccheck.add_argument ((CCodeExpression) expr.expression.ccodenode);
- expr.ccodenode = ccheck;
+
+ if (expr.ref_leaked) {
+ var decl = get_temp_variable_declarator (expr.static_type);
+ temp_vars.prepend (decl);
+ temp_ref_vars.prepend (decl);
+ expr.ccodenode = new CCodeParenthesizedExpression (inner = new CCodeAssignment (left = new CCodeIdentifier (name = decl.name), right = expr.ccodenode));
+ } else if (expr.ref_missing) {
+ expr.ccodenode = get_ref_expression (expr);
}
+ }
+
+ public override void visit_object_creation_expression (ObjectCreationExpression! expr) {
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = "g_object_new"));
+
+ ccall.add_argument (new CCodeConstant (name = expr.type_reference.get_upper_case_cname ("TYPE_")));
- public override void visit_conditional_expression (ConditionalExpression! expr) {
- expr.ccodenode = new CCodeConditionalExpression (condition = (CCodeExpression) expr.condition.ccodenode, true_expression = (CCodeExpression) expr.true_expression.ccodenode, false_expression = (CCodeExpression) expr.false_expression.ccodenode);
+ foreach (NamedArgument arg in expr.named_argument_list) {
+ ccall.add_argument (new CCodeConstant (name = "\"%s\"".printf (arg.name)));
+ ccall.add_argument ((CCodeExpression) arg.argument.ccodenode);
}
+ ccall.add_argument (new CCodeConstant (name = "NULL"));
+
+ expr.ccodenode = ccall;
+
+ visit_expression (expr);
+ }
+
+ public override void visit_typeof_expression (TypeofExpression! expr) {
+ expr.ccodenode = new CCodeIdentifier (name = expr.type_reference.type.get_type_id ());
+ }
+
+ public override void visit_unary_expression (UnaryExpression! expr) {
+ CCodeUnaryOperator op;
+ if (expr.operator == UnaryOperator.PLUS) {
+ op = CCodeUnaryOperator.PLUS;
+ } else if (expr.operator == UnaryOperator.MINUS) {
+ op = CCodeUnaryOperator.MINUS;
+ } else if (expr.operator == UnaryOperator.LOGICAL_NEGATION) {
+ op = CCodeUnaryOperator.LOGICAL_NEGATION;
+ } else if (expr.operator == UnaryOperator.BITWISE_COMPLEMENT) {
+ op = CCodeUnaryOperator.BITWISE_COMPLEMENT;
+ } else if (expr.operator == UnaryOperator.REF) {
+ op = CCodeUnaryOperator.ADDRESS_OF;
+ } else if (expr.operator == UnaryOperator.OUT) {
+ op = CCodeUnaryOperator.ADDRESS_OF;
+ }
+ expr.ccodenode = new CCodeUnaryExpression (operator = op, inner = expr.inner.ccodenode);
+
+ visit_expression (expr);
+ }
- public override void visit_end_lambda_expression (LambdaExpression! l) {
- l.ccodenode = new CCodeIdentifier (name = l.method.get_cname ());
+ public override void visit_cast_expression (CastExpression! expr) {
+ if (expr.type_reference.type is Struct || expr.type_reference.type is Enum || expr.type_reference.type is Flags) {
+ expr.ccodenode = expr.inner.ccodenode;
+ } else {
+ expr.ccodenode = new InstanceCast (type_reference = expr.type_reference.type, inner = (CCodeExpression) expr.inner.ccodenode);
}
+
+ visit_expression (expr);
+ }
- public override void visit_end_assignment (Assignment! a) {
- var ma = (MemberAccess) a.left;
+ public override void visit_binary_expression (BinaryExpression! expr) {
+ expr.ccodenode = new CCodeBinaryExpression (operator = expr.operator, left = expr.left.ccodenode, right = expr.right.ccodenode);
+
+ visit_expression (expr);
+ }
- if (a.left.symbol_reference.node is Property) {
- var prop = (Property) a.left.symbol_reference.node;
- var cl = (Class) prop.symbol.parent_symbol.node;
+ public override void visit_type_check (TypeCheck! expr) {
+ var ccheck = new CCodeFunctionCall (call = new CCodeIdentifier (name = expr.type_reference.type.get_upper_case_cname ("IS_")));
+ ccheck.add_argument ((CCodeExpression) expr.expression.ccodenode);
+ expr.ccodenode = ccheck;
+ }
- var set_func = "g_object_set";
-
- if (!prop.no_accessor_method) {
- set_func = "%s_set_%s".printf (cl.get_lower_case_cname (null), prop.name);
- }
-
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = set_func));
+ public override void visit_conditional_expression (ConditionalExpression! expr) {
+ expr.ccodenode = new CCodeConditionalExpression (condition = (CCodeExpression) expr.condition.ccodenode, true_expression = (CCodeExpression) expr.true_expression.ccodenode, false_expression = (CCodeExpression) expr.false_expression.ccodenode);
+ }
- /* target instance is first argument */
- ref CCodeExpression instance;
- var req_cast = false;
+ public override void visit_end_lambda_expression (LambdaExpression! l) {
+ l.ccodenode = new CCodeIdentifier (name = l.method.get_cname ());
+ }
- if (ma.inner == null) {
- instance = new CCodeIdentifier (name = "self");
- /* require casts for inherited properties */
- req_cast = (prop.symbol.parent_symbol != current_type_symbol);
- } else {
- instance = (CCodeExpression) ma.inner.ccodenode;
- /* require casts if the type of the used instance is
- * different than the type which declared the property */
- req_cast = prop.symbol.parent_symbol.node != ma.inner.static_type.type;
- }
-
- if (req_cast && ((DataType) prop.symbol.parent_symbol.node).is_reference_type ()) {
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = ((DataType) prop.symbol.parent_symbol.node).get_upper_case_cname (null)));
- ccast.add_argument (instance);
- instance = ccast;
- }
+ public override void visit_end_assignment (Assignment! a) {
+ var ma = (MemberAccess) a.left;
- ccall.add_argument (instance);
-
- ref CCodeExpression cexpr = (CCodeExpression) a.right.ccodenode;
-
- if (prop.no_accessor_method) {
- /* property name is second argument of g_object_set */
- ccall.add_argument (prop.get_canonical_cconstant ());
- } else if (prop.type_reference.type != null
- && prop.type_reference.type.is_reference_type ()
- && a.right.static_type.type != null
- && prop.type_reference.type != a.right.static_type.type) {
- /* cast is necessary */
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = prop.type_reference.type.get_upper_case_cname (null)));
- ccast.add_argument (cexpr);
- cexpr = ccast;
- }
-
- ccall.add_argument (cexpr);
-
- if (prop.no_accessor_method) {
- ccall.add_argument (new CCodeConstant (name = "NULL"));
- }
-
- a.ccodenode = ccall;
- } else if (a.left.symbol_reference.node is Signal) {
- var sig = (Signal) a.left.symbol_reference.node;
+ if (a.left.symbol_reference.node is Property) {
+ var prop = (Property) a.left.symbol_reference.node;
+ var cl = (Class) prop.symbol.parent_symbol.node;
+
+ var set_func = "g_object_set";
+
+ if (!prop.no_accessor_method) {
+ set_func = "%s_set_%s".printf (cl.get_lower_case_cname (null), prop.name);
+ }
+
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = set_func));
+
+ /* target instance is first argument */
+ ref CCodeExpression instance;
+ var req_cast = false;
+
+ if (ma.inner == null) {
+ instance = new CCodeIdentifier (name = "self");
+ /* require casts for inherited properties */
+ req_cast = (prop.symbol.parent_symbol != current_type_symbol);
+ } else {
+ instance = (CCodeExpression) ma.inner.ccodenode;
+ /* require casts if the type of the used instance is
+ * different than the type which declared the property */
+ req_cast = prop.symbol.parent_symbol.node != ma.inner.static_type.type;
+ }
+
+ if (req_cast && ((DataType) prop.symbol.parent_symbol.node).is_reference_type ()) {
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = ((DataType) prop.symbol.parent_symbol.node).get_upper_case_cname (null)));
+ ccast.add_argument (instance);
+ instance = ccast;
+ }
+
+ ccall.add_argument (instance);
- if (a.right.symbol_reference == null) {
- a.right.error = true;
- Report.error (a.right.source_reference, "unsupported expression for signal handler");
- return;
- }
+ ref CCodeExpression cexpr = (CCodeExpression) a.right.ccodenode;
+
+ if (prop.no_accessor_method) {
+ /* property name is second argument of g_object_set */
+ ccall.add_argument (prop.get_canonical_cconstant ());
+ } else if (prop.type_reference.type != null
+ && prop.type_reference.type.is_reference_type ()
+ && a.right.static_type.type != null
+ && prop.type_reference.type != a.right.static_type.type) {
+ /* cast is necessary */
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = prop.type_reference.type.get_upper_case_cname (null)));
+ ccast.add_argument (cexpr);
+ cexpr = ccast;
+ }
- var m = (Method) a.right.symbol_reference.node;
- var connect_func = "g_signal_connect_object";
- if (!m.instance) {
- connect_func = "g_signal_connect";
- }
-
- var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = connect_func));
+ ccall.add_argument (cexpr);
- if (ma.inner != null) {
- ccall.add_argument ((CCodeExpression) ma.inner.ccodenode);
- } else {
- ccall.add_argument (new CCodeIdentifier (name = "self"));
- }
+ if (prop.no_accessor_method) {
+ ccall.add_argument (new CCodeConstant (name = "NULL"));
+ }
+
+ a.ccodenode = ccall;
+ } else if (a.left.symbol_reference.node is Signal) {
+ var sig = (Signal) a.left.symbol_reference.node;
+
+ if (a.right.symbol_reference == null) {
+ a.right.error = true;
+ Report.error (a.right.source_reference, "unsupported expression for signal handler");
+ return;
+ }
+
+ var m = (Method) a.right.symbol_reference.node;
+ var connect_func = "g_signal_connect_object";
+ if (!m.instance) {
+ connect_func = "g_signal_connect";
+ }
- ccall.add_argument (new CCodeConstant (name = "\"%s\"".printf (sig.name)));
+ var ccall = new CCodeFunctionCall (call = new CCodeIdentifier (name = connect_func));
+
+ if (ma.inner != null) {
+ ccall.add_argument ((CCodeExpression) ma.inner.ccodenode);
+ } else {
+ ccall.add_argument (new CCodeIdentifier (name = "self"));
+ }
- ccall.add_argument (new CCodeIdentifier (name = m.get_cname ()));
+ ccall.add_argument (new CCodeConstant (name = "\"%s\"".printf (sig.name)));
- if (m.instance) {
- if (a.right is MemberAccess) {
- var right_ma = (MemberAccess) a.right;
- if (right_ma.inner != null) {
- ccall.add_argument ((CCodeExpression) right_ma.inner.ccodenode);
- } else {
- ccall.add_argument (new CCodeIdentifier (name = "self"));
- }
- } else if (a.right is LambdaExpression) {
+ ccall.add_argument (new CCodeIdentifier (name = m.get_cname ()));
+
+ if (m.instance) {
+ if (a.right is MemberAccess) {
+ var right_ma = (MemberAccess) a.right;
+ if (right_ma.inner != null) {
+ ccall.add_argument ((CCodeExpression) right_ma.inner.ccodenode);
+ } else {
ccall.add_argument (new CCodeIdentifier (name = "self"));
}
-
- ccall.add_argument (new CCodeConstant (name = "G_CONNECT_SWAPPED"));
- } else {
- ccall.add_argument (new CCodeConstant (name = "NULL"));
+ } else if (a.right is LambdaExpression) {
+ ccall.add_argument (new CCodeIdentifier (name = "self"));
}
-
- a.ccodenode = ccall;
+
+ ccall.add_argument (new CCodeConstant (name = "G_CONNECT_SWAPPED"));
} else {
- /* explicitly use strong reference as ccast gets
- * unrefed at end of inner block
- */
- ref CCodeExpression rhs = (CCodeExpression) a.right.ccodenode;
-
- if (a.left.static_type.type != null
- && a.right.static_type.type != null
- && a.left.static_type.type.is_reference_type ()
- && a.right.static_type.type != a.left.static_type.type) {
- var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = a.left.static_type.type.get_upper_case_cname (null)));
- ccast.add_argument (rhs);
- rhs = ccast;
- }
+ ccall.add_argument (new CCodeConstant (name = "NULL"));
+ }
+
+ a.ccodenode = ccall;
+ } else {
+ /* explicitly use strong reference as ccast gets
+ * unrefed at end of inner block
+ */
+ ref CCodeExpression rhs = (CCodeExpression) a.right.ccodenode;
+
+ if (a.left.static_type.type != null
+ && a.right.static_type.type != null
+ && a.left.static_type.type.is_reference_type ()
+ && a.right.static_type.type != a.left.static_type.type) {
+ var ccast = new CCodeFunctionCall (call = new CCodeIdentifier (name = a.left.static_type.type.get_upper_case_cname (null)));
+ ccast.add_argument (rhs);
+ rhs = ccast;
+ }
+
+ if (memory_management && a.left.static_type.is_lvalue_ref) {
+ /* unref old value */
+ var ccomma = new CCodeCommaExpression ();
- if (memory_management && a.left.static_type.is_lvalue_ref) {
- /* unref old value */
- var ccomma = new CCodeCommaExpression ();
-
- var temp_decl = get_temp_variable_declarator (a.left.static_type);
- temp_vars.prepend (temp_decl);
- ccomma.inner.append (new CCodeAssignment (left = new CCodeIdentifier (name = temp_decl.name), right = rhs));
- ccomma.inner.append (get_unref_expression ((CCodeExpression) a.left.ccodenode, a.left.static_type));
- ccomma.inner.append (new CCodeIdentifier (name = temp_decl.name));
-
- rhs = ccomma;
- }
+ var temp_decl = get_temp_variable_declarator (a.left.static_type);
+ temp_vars.prepend (temp_decl);
+ ccomma.inner.append (new CCodeAssignment (left = new CCodeIdentifier (name = temp_decl.name), right = rhs));
+ ccomma.inner.append (get_unref_expression ((CCodeExpression) a.left.ccodenode, a.left.static_type));
+ ccomma.inner.append (new CCodeIdentifier (name = temp_decl.name));
- var cop = CCodeAssignmentOperator.SIMPLE;
- if (a.operator == AssignmentOperator.BITWISE_OR) {
- cop = CCodeAssignmentOperator.BITWISE_OR;
- } else if (a.operator == AssignmentOperator.BITWISE_AND) {
- cop = CCodeAssignmentOperator.BITWISE_AND;
- } else if (a.operator == AssignmentOperator.BITWISE_XOR) {
- cop = CCodeAssignmentOperator.BITWISE_XOR;
- } else if (a.operator == AssignmentOperator.ADD) {
- cop = CCodeAssignmentOperator.ADD;
- } else if (a.operator == AssignmentOperator.SUB) {
- cop = CCodeAssignmentOperator.SUB;
- } else if (a.operator == AssignmentOperator.MUL) {
- cop = CCodeAssignmentOperator.MUL;
- } else if (a.operator == AssignmentOperator.DIV) {
- cop = CCodeAssignmentOperator.DIV;
- } else if (a.operator == AssignmentOperator.PERCENT) {
- cop = CCodeAssignmentOperator.PERCENT;
- } else if (a.operator == AssignmentOperator.SHIFT_LEFT) {
- cop = CCodeAssignmentOperator.SHIFT_LEFT;
- } else if (a.operator == AssignmentOperator.SHIFT_RIGHT) {
- cop = CCodeAssignmentOperator.SHIFT_RIGHT;
- }
-
- a.ccodenode = new CCodeAssignment (left = (CCodeExpression) a.left.ccodenode, right = rhs, operator = cop);
+ rhs = ccomma;
+ }
+
+ var cop = CCodeAssignmentOperator.SIMPLE;
+ if (a.operator == AssignmentOperator.BITWISE_OR) {
+ cop = CCodeAssignmentOperator.BITWISE_OR;
+ } else if (a.operator == AssignmentOperator.BITWISE_AND) {
+ cop = CCodeAssignmentOperator.BITWISE_AND;
+ } else if (a.operator == AssignmentOperator.BITWISE_XOR) {
+ cop = CCodeAssignmentOperator.BITWISE_XOR;
+ } else if (a.operator == AssignmentOperator.ADD) {
+ cop = CCodeAssignmentOperator.ADD;
+ } else if (a.operator == AssignmentOperator.SUB) {
+ cop = CCodeAssignmentOperator.SUB;
+ } else if (a.operator == AssignmentOperator.MUL) {
+ cop = CCodeAssignmentOperator.MUL;
+ } else if (a.operator == AssignmentOperator.DIV) {
+ cop = CCodeAssignmentOperator.DIV;
+ } else if (a.operator == AssignmentOperator.PERCENT) {
+ cop = CCodeAssignmentOperator.PERCENT;
+ } else if (a.operator == AssignmentOperator.SHIFT_LEFT) {
+ cop = CCodeAssignmentOperator.SHIFT_LEFT;
+ } else if (a.operator == AssignmentOperator.SHIFT_RIGHT) {
+ cop = CCodeAssignmentOperator.SHIFT_RIGHT;
}
+
+ a.ccodenode = new CCodeAssignment (left = (CCodeExpression) a.left.ccodenode, right = rhs, operator = cop);
}
}
}
using GLib;
-namespace Vala {
- public class SemanticAnalyzer : CodeVisitor {
- public bool memory_management { get; construct; }
-
- Symbol root_symbol;
- Symbol current_symbol;
- SourceFile current_source_file;
- TypeReference current_return_type;
+/**
+ * Code visitor analyzing and checking code.
+ */
+public class Vala.SemanticAnalyzer : CodeVisitor {
+ /**
+ * Specifies whether automatic memory management is active.
+ */
+ public bool memory_management { get; set; }
+
+ Symbol root_symbol;
+ Symbol current_symbol;
+ SourceFile current_source_file;
+ TypeReference current_return_type;
+
+ List<weak NamespaceReference> current_using_directives;
+
+ TypeReference bool_type;
+ TypeReference string_type;
+ DataType initially_unowned_type;
+
+ private int next_lambda_id = 0;
+
+ /**
+ * Analyze and check code in the specified context.
+ *
+ * @param context a code context
+ */
+ public void analyze (CodeContext! context) {
+ root_symbol = context.get_root ();
+
+ bool_type = new TypeReference ();
+ bool_type.type = (DataType) root_symbol.lookup ("bool").node;
+
+ string_type = new TypeReference ();
+ string_type.type = (DataType) root_symbol.lookup ("string").node;
- List<weak NamespaceReference> current_using_directives;
+ var glib_ns = root_symbol.lookup ("GLib");
- TypeReference bool_type;
- TypeReference string_type;
- DataType initially_unowned_type;
+ initially_unowned_type = (DataType) glib_ns.lookup ("InitiallyUnowned").node;
- private int next_lambda_id = 0;
+ current_symbol = root_symbol;
+ context.accept (this);
+ }
+
+ public override void visit_begin_source_file (SourceFile! file) {
+ current_source_file = file;
+ current_using_directives = file.get_using_directives ();
- public void analyze (CodeContext context) {
- root_symbol = context.get_root ();
+ next_lambda_id = 0;
+ }
- bool_type = new TypeReference ();
- bool_type.type = (DataType) root_symbol.lookup ("bool").node;
+ public override void visit_end_source_file (SourceFile! file) {
+ current_using_directives = null;
+ }
- string_type = new TypeReference ();
- string_type.type = (DataType) root_symbol.lookup ("string").node;
-
- var glib_ns = root_symbol.lookup ("GLib");
-
- initially_unowned_type = (DataType) glib_ns.lookup ("InitiallyUnowned").node;
+ public override void visit_begin_namespace (Namespace! ns) {
+ current_symbol = ns.symbol;
+ }
- current_symbol = root_symbol;
- context.accept (this);
- }
+ public override void visit_end_namespace (Namespace! ns) {
+ current_symbol = current_symbol.parent_symbol;
+ }
+
+ public override void visit_begin_class (Class! cl) {
+ current_symbol = cl.symbol;
- public override void visit_begin_source_file (SourceFile! file) {
- current_source_file = file;
- current_using_directives = file.get_using_directives ();
-
- next_lambda_id = 0;
+ if (cl.base_class != null) {
+ current_source_file.add_symbol_dependency (cl.base_class.symbol, SourceFileDependencyType.HEADER_FULL);
}
+ }
- public override void visit_end_source_file (SourceFile! file) {
- current_using_directives = null;
- }
+ public override void visit_end_class (Class! cl) {
+ current_symbol = current_symbol.parent_symbol;
+ }
- public override void visit_begin_namespace (Namespace! ns) {
- current_symbol = ns.symbol;
- }
+ public override void visit_begin_struct (Struct! st) {
+ current_symbol = st.symbol;
+ }
- public override void visit_end_namespace (Namespace! ns) {
- current_symbol = current_symbol.parent_symbol;
- }
+ public override void visit_end_struct (Struct! st) {
+ current_symbol = current_symbol.parent_symbol;
+ }
- public override void visit_begin_class (Class! cl) {
- current_symbol = cl.symbol;
-
- if (cl.base_class != null) {
- current_source_file.add_symbol_dependency (cl.base_class.symbol, SourceFileDependencyType.HEADER_FULL);
+ public override void visit_field (Field! f) {
+ if (f.access == MemberAccessibility.PUBLIC) {
+ if (f.type_reference.type != null) {
+ /* is null if it references a type parameter */
+ current_source_file.add_symbol_dependency (f.type_reference.type.symbol, SourceFileDependencyType.HEADER_SHALLOW);
}
- }
-
- public override void visit_end_class (Class! cl) {
- current_symbol = current_symbol.parent_symbol;
- }
-
- public override void visit_begin_struct (Struct! st) {
- current_symbol = st.symbol;
- }
-
- public override void visit_end_struct (Struct! st) {
- current_symbol = current_symbol.parent_symbol;
- }
-
- public override void visit_field (Field! f) {
- if (f.access == MemberAccessibility.PUBLIC) {
- if (f.type_reference.type != null) {
- /* is null if it references a type parameter */
- current_source_file.add_symbol_dependency (f.type_reference.type.symbol, SourceFileDependencyType.HEADER_SHALLOW);
- }
- } else {
- if (f.type_reference.type != null) {
- /* is null if it references a type parameter */
- current_source_file.add_symbol_dependency (f.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
- }
+ } else {
+ if (f.type_reference.type != null) {
+ /* is null if it references a type parameter */
+ current_source_file.add_symbol_dependency (f.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
}
}
+ }
- public override void visit_begin_method (Method! m) {
- current_symbol = m.symbol;
- current_return_type = m.return_type;
-
- if (m.return_type.type != null) {
- /* is null if it is void or a reference to a type parameter */
- current_source_file.add_symbol_dependency (m.return_type.type.symbol, SourceFileDependencyType.HEADER_SHALLOW);
- }
+ public override void visit_begin_method (Method! m) {
+ current_symbol = m.symbol;
+ current_return_type = m.return_type;
+
+ if (m.return_type.type != null) {
+ /* is null if it is void or a reference to a type parameter */
+ current_source_file.add_symbol_dependency (m.return_type.type.symbol, SourceFileDependencyType.HEADER_SHALLOW);
}
+ }
- public override void visit_end_method (Method! m) {
- current_symbol = current_symbol.parent_symbol;
- current_return_type = null;
+ public override void visit_end_method (Method! m) {
+ current_symbol = current_symbol.parent_symbol;
+ current_return_type = null;
- if (current_symbol.parent_symbol.node is Method) {
- /* lambda expressions produce nested methods */
- var up_method = (Method) current_symbol.parent_symbol.node;
- current_return_type = up_method.return_type;
- }
-
- if (m.is_virtual || m.is_override) {
- if (current_symbol.node is Class) {
- var cl = (Class) current_symbol.node;
- Class base_class;
- for (base_class = cl; base_class != null; base_class = base_class.base_class) {
- var sym = base_class.symbol.lookup (m.name);
- if (sym != null && sym.node is Method) {
- var base_method = (Method) sym.node;
- if (base_method.is_abstract || base_method.is_virtual) {
- m.base_method = base_method;
- break;
- }
+ if (current_symbol.parent_symbol.node is Method) {
+ /* lambda expressions produce nested methods */
+ var up_method = (Method) current_symbol.parent_symbol.node;
+ current_return_type = up_method.return_type;
+ }
+
+ if (m.is_virtual || m.is_override) {
+ if (current_symbol.node is Class) {
+ var cl = (Class) current_symbol.node;
+ Class base_class;
+ for (base_class = cl; base_class != null; base_class = base_class.base_class) {
+ var sym = base_class.symbol.lookup (m.name);
+ if (sym != null && sym.node is Method) {
+ var base_method = (Method) sym.node;
+ if (base_method.is_abstract || base_method.is_virtual) {
+ m.base_method = base_method;
+ break;
}
}
- if (m.base_method == null) {
- /* FIXME: also look at interfaces implemented
- * by one of the base types
- */
- foreach (TypeReference type in cl.get_base_types ()) {
- if (type.type is Interface) {
- var iface = (Interface) type.type;
- var sym = iface.symbol.lookup (m.name);
- if (sym != null && sym.node is Method) {
- var base_method = (Method) sym.node;
- if (base_method.is_abstract || base_method.is_virtual) {
- m.base_method = base_method;
- break;
- }
+ }
+ if (m.base_method == null) {
+ /* FIXME: also look at interfaces implemented
+ * by one of the base types
+ */
+ foreach (TypeReference type in cl.get_base_types ()) {
+ if (type.type is Interface) {
+ var iface = (Interface) type.type;
+ var sym = iface.symbol.lookup (m.name);
+ if (sym != null && sym.node is Method) {
+ var base_method = (Method) sym.node;
+ if (base_method.is_abstract || base_method.is_virtual) {
+ m.base_method = base_method;
+ break;
}
}
}
}
- if (m.base_method == null) {
- Report.error (m.source_reference, "%s: no suitable method found to override".printf (m.symbol.get_full_name ()));
- }
- } else if (current_symbol.node is Struct) {
- Report.error (m.source_reference, "A struct member `%s' cannot be marked as override, virtual, or abstract".printf (m.symbol.get_full_name ()));
- return;
}
- }
- }
-
- public override void visit_formal_parameter (FormalParameter! p) {
- if (!p.ellipsis) {
- if (p.type_reference.type != null) {
- /* is null if it references a type parameter */
- current_source_file.add_symbol_dependency (p.type_reference.type.symbol, SourceFileDependencyType.HEADER_SHALLOW);
- current_source_file.add_symbol_dependency (p.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
+ if (m.base_method == null) {
+ Report.error (m.source_reference, "%s: no suitable method found to override".printf (m.symbol.get_full_name ()));
}
+ } else if (current_symbol.node is Struct) {
+ Report.error (m.source_reference, "A struct member `%s' cannot be marked as override, virtual, or abstract".printf (m.symbol.get_full_name ()));
+ return;
}
}
+ }
- public override void visit_end_property (Property! prop) {
- if (prop.type_reference.type != null) {
+ public override void visit_formal_parameter (FormalParameter! p) {
+ if (!p.ellipsis) {
+ if (p.type_reference.type != null) {
/* is null if it references a type parameter */
- current_source_file.add_symbol_dependency (prop.type_reference.type.symbol, SourceFileDependencyType.HEADER_SHALLOW);
- current_source_file.add_symbol_dependency (prop.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
+ current_source_file.add_symbol_dependency (p.type_reference.type.symbol, SourceFileDependencyType.HEADER_SHALLOW);
+ current_source_file.add_symbol_dependency (p.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
}
}
+ }
- public override void visit_begin_property_accessor (PropertyAccessor! acc) {
- var prop = (Property) acc.symbol.parent_symbol.node;
-
- if (acc.readable) {
- current_return_type = prop.type_reference;
- }
+ public override void visit_end_property (Property! prop) {
+ if (prop.type_reference.type != null) {
+ /* is null if it references a type parameter */
+ current_source_file.add_symbol_dependency (prop.type_reference.type.symbol, SourceFileDependencyType.HEADER_SHALLOW);
+ current_source_file.add_symbol_dependency (prop.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
}
+ }
- public override void visit_end_property_accessor (PropertyAccessor! acc) {
- current_return_type = null;
+ public override void visit_begin_property_accessor (PropertyAccessor! acc) {
+ var prop = (Property) acc.symbol.parent_symbol.node;
+
+ if (acc.readable) {
+ current_return_type = prop.type_reference;
}
+ }
- public override void visit_begin_constructor (Constructor! c) {
- current_symbol = c.symbol;
- }
+ public override void visit_end_property_accessor (PropertyAccessor! acc) {
+ current_return_type = null;
+ }
- public override void visit_end_constructor (Constructor! c) {
- current_symbol = current_symbol.parent_symbol;
- }
+ public override void visit_begin_constructor (Constructor! c) {
+ current_symbol = c.symbol;
+ }
- public override void visit_begin_destructor (Destructor! d) {
- current_symbol = d.symbol;
- }
+ public override void visit_end_constructor (Constructor! c) {
+ current_symbol = current_symbol.parent_symbol;
+ }
- public override void visit_end_destructor (Destructor! d) {
- current_symbol = current_symbol.parent_symbol;
- }
+ public override void visit_begin_destructor (Destructor! d) {
+ current_symbol = d.symbol;
+ }
- public override void visit_named_argument (NamedArgument! n) {
- }
+ public override void visit_end_destructor (Destructor! d) {
+ current_symbol = current_symbol.parent_symbol;
+ }
- public override void visit_begin_block (Block! b) {
- current_symbol = b.symbol;
+ public override void visit_named_argument (NamedArgument! n) {
+ }
+
+ public override void visit_begin_block (Block! b) {
+ current_symbol = b.symbol;
+ }
+
+ public override void visit_end_block (Block! b) {
+ foreach (VariableDeclarator decl in b.get_local_variables ()) {
+ decl.symbol.active = false;
}
+
+ current_symbol = current_symbol.parent_symbol;
+ }
- public override void visit_end_block (Block! b) {
- foreach (VariableDeclarator decl in b.get_local_variables ()) {
- decl.symbol.active = false;
+ public override void visit_variable_declarator (VariableDeclarator! decl) {
+ if (decl.type_reference == null) {
+ /* var type */
+
+ if (decl.initializer == null) {
+ decl.error = true;
+ Report.error (decl.source_reference, "var declaration not allowed without initializer");
+ return;
}
-
- current_symbol = current_symbol.parent_symbol;
+ if (decl.initializer.static_type == null) {
+ decl.error = true;
+ Report.error (decl.source_reference, "var declaration not allowed with non-typed initializer");
+ return;
+ }
+
+ decl.type_reference = decl.initializer.static_type.copy ();
+ decl.type_reference.is_lvalue_ref = decl.type_reference.is_ref;
+ decl.type_reference.is_ref = false;
}
-
- public override void visit_variable_declarator (VariableDeclarator! decl) {
- if (decl.type_reference == null) {
- /* var type */
-
- if (decl.initializer == null) {
- decl.error = true;
- Report.error (decl.source_reference, "var declaration not allowed without initializer");
- return;
- }
- if (decl.initializer.static_type == null) {
+
+ if (decl.initializer != null) {
+ if (decl.initializer.static_type == null) {
+ if (!(decl.initializer is MemberAccess)) {
decl.error = true;
- Report.error (decl.source_reference, "var declaration not allowed with non-typed initializer");
+ Report.error (decl.source_reference, "expression type not allowed as initializer");
return;
}
- decl.type_reference = decl.initializer.static_type.copy ();
- decl.type_reference.is_lvalue_ref = decl.type_reference.is_ref;
- decl.type_reference.is_ref = false;
- }
-
- if (decl.initializer != null) {
- if (decl.initializer.static_type == null) {
- if (!(decl.initializer is MemberAccess)) {
- decl.error = true;
- Report.error (decl.source_reference, "expression type not allowed as initializer");
- return;
- }
+ if (decl.initializer.symbol_reference.node is Method &&
+ decl.type_reference.type is Callback) {
+ var m = (Method) decl.initializer.symbol_reference.node;
+ var cb = (Callback) decl.type_reference.type;
- if (decl.initializer.symbol_reference.node is Method &&
- decl.type_reference.type is Callback) {
- var m = (Method) decl.initializer.symbol_reference.node;
- var cb = (Callback) decl.type_reference.type;
-
- /* check whether method matches callback type */
- if (!cb.matches_method (m)) {
- decl.error = true;
- Report.error (decl.source_reference, "declaration of method `%s' doesn't match declaration of callback `%s'".printf (m.symbol.get_full_name (), cb.symbol.get_full_name ()));
- return;
- }
-
- decl.initializer.static_type = decl.type_reference;
- } else {
+ /* check whether method matches callback type */
+ if (!cb.matches_method (m)) {
decl.error = true;
- Report.error (decl.source_reference, "expression type not allowed as initializer");
+ Report.error (decl.source_reference, "declaration of method `%s' doesn't match declaration of callback `%s'".printf (m.symbol.get_full_name (), cb.symbol.get_full_name ()));
return;
}
+
+ decl.initializer.static_type = decl.type_reference;
+ } else {
+ decl.error = true;
+ Report.error (decl.source_reference, "expression type not allowed as initializer");
+ return;
}
-
- if (memory_management) {
- if (decl.initializer.static_type.is_ref) {
- /* rhs transfers ownership of the expression */
- if (!decl.type_reference.is_lvalue_ref) {
- /* lhs doesn't own the value
- * promote lhs type */
-
- decl.type_reference.is_lvalue_ref = true;
- }
+ }
+
+ if (memory_management) {
+ if (decl.initializer.static_type.is_ref) {
+ /* rhs transfers ownership of the expression */
+ if (!decl.type_reference.is_lvalue_ref) {
+ /* lhs doesn't own the value
+ * promote lhs type */
+
+ decl.type_reference.is_lvalue_ref = true;
}
}
}
-
- if (decl.type_reference.type != null) {
- current_source_file.add_symbol_dependency (decl.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
- }
-
- decl.symbol = new Symbol (node = decl);
- current_symbol.add (decl.name, decl.symbol);
-
- var block = (Block) current_symbol.node;
- block.add_local_variable (decl);
-
- decl.symbol.active = true;
}
-
- public override void visit_expression_statement (ExpressionStatement! stmt) {
- if (stmt.expression.static_type != null &&
- stmt.expression.static_type.is_ref) {
- Report.warning (stmt.source_reference, "Short-living reference");
- return;
- }
+
+ if (decl.type_reference.type != null) {
+ current_source_file.add_symbol_dependency (decl.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
}
- public override void visit_begin_foreach_statement (ForeachStatement! stmt) {
- if (stmt.type_reference.type != null) {
- current_source_file.add_symbol_dependency (stmt.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
- }
-
- stmt.variable_declarator = new VariableDeclarator (name = stmt.variable_name);
- stmt.variable_declarator.type_reference = stmt.type_reference;
+ decl.symbol = new Symbol (node = decl);
+ current_symbol.add (decl.name, decl.symbol);
- stmt.variable_declarator.symbol = new Symbol (node = stmt.variable_declarator);
- current_symbol.add (stmt.variable_name, stmt.variable_declarator.symbol);
- }
+ var block = (Block) current_symbol.node;
+ block.add_local_variable (decl);
+
+ decl.symbol.active = true;
+ }
- public override void visit_return_statement (ReturnStatement! stmt) {
- if (current_return_type == null) {
- Report.error (stmt.source_reference, "Return not allowed in this context");
- return;
- }
-
- if (stmt.return_expression == null && current_return_type.type != null) {
- Report.error (stmt.source_reference, "Return with value in void function");
- return;
- }
-
- if (stmt.return_expression != null && current_return_type.type == null) {
- Report.error (stmt.source_reference, "Return without value in non-void function");
- return;
- }
-
- if (stmt.return_expression != null &&
- !is_type_compatible (stmt.return_expression.static_type, current_return_type)) {
- Report.error (stmt.source_reference, "Return: Cannot convert from `%s' to `%s'".printf (stmt.return_expression.static_type.to_string (), current_return_type.to_string ()));
- return;
- }
-
+ public override void visit_expression_statement (ExpressionStatement! stmt) {
+ if (stmt.expression.static_type != null &&
+ stmt.expression.static_type.is_ref) {
+ Report.warning (stmt.source_reference, "Short-living reference");
+ return;
}
+ }
- public override void visit_boolean_literal (BooleanLiteral! expr) {
- expr.static_type = bool_type;
+ public override void visit_if_statement (IfStatement! stmt) {
+ if (stmt.condition.static_type.type != bool_type.type) {
+ stmt.error = true;
+ Report.error (stmt.condition.source_reference, "Condition must be boolean");
+ return;
}
+ }
- public override void visit_character_literal (CharacterLiteral! expr) {
- expr.static_type = new TypeReference ();
- expr.static_type.type = (DataType) root_symbol.lookup ("char").node;
+ public override void visit_while_statement (WhileStatement! stmt) {
+ if (stmt.condition.static_type.type != bool_type.type) {
+ stmt.error = true;
+ Report.error (stmt.condition.source_reference, "Condition must be boolean");
+ return;
}
+ }
- public override void visit_integer_literal (IntegerLiteral! expr) {
- expr.static_type = new TypeReference ();
- expr.static_type.type = (DataType) root_symbol.lookup ("int").node;
+ public override void visit_for_statement (ForStatement! stmt) {
+ if (stmt.condition.static_type.type != bool_type.type) {
+ stmt.error = true;
+ Report.error (stmt.condition.source_reference, "Condition must be boolean");
+ return;
}
+ }
- public override void visit_real_literal (IntegerLiteral! expr) {
- expr.static_type = new TypeReference ();
- expr.static_type.type = (DataType) root_symbol.lookup ("double").node;
+ public override void visit_begin_foreach_statement (ForeachStatement! stmt) {
+ if (stmt.type_reference.type != null) {
+ current_source_file.add_symbol_dependency (stmt.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
}
+
+ stmt.variable_declarator = new VariableDeclarator (name = stmt.variable_name);
+ stmt.variable_declarator.type_reference = stmt.type_reference;
+
+ stmt.variable_declarator.symbol = new Symbol (node = stmt.variable_declarator);
+ current_symbol.add (stmt.variable_name, stmt.variable_declarator.symbol);
+ }
- public override void visit_string_literal (StringLiteral! expr) {
- expr.static_type = string_type;
+ public override void visit_return_statement (ReturnStatement! stmt) {
+ if (current_return_type == null) {
+ Report.error (stmt.source_reference, "Return not allowed in this context");
+ return;
+ }
+
+ if (stmt.return_expression == null && current_return_type.type != null) {
+ Report.error (stmt.source_reference, "Return with value in void function");
+ return;
}
+
+ if (stmt.return_expression != null && current_return_type.type == null) {
+ Report.error (stmt.source_reference, "Return without value in non-void function");
+ return;
+ }
+
+ if (stmt.return_expression != null &&
+ !is_type_compatible (stmt.return_expression.static_type, current_return_type)) {
+ Report.error (stmt.source_reference, "Return: Cannot convert from `%s' to `%s'".printf (stmt.return_expression.static_type.to_string (), current_return_type.to_string ()));
+ return;
+ }
+
+ }
- public override void visit_null_literal (NullLiteral! expr) {
- /* empty TypeReference represents null */
-
- expr.static_type = new TypeReference ();
- }
-
- public override void visit_literal_expression (LiteralExpression! expr) {
- expr.static_type = expr.literal.static_type;
- }
-
- ref TypeReference get_static_type_for_node (CodeNode! node) {
- if (node is Field) {
- var f = (Field) node;
- return f.type_reference;
- } else if (node is Constant) {
- var c = (Constant) node;
- return c.type_reference;
- } else if (node is Property) {
- var prop = (Property) node;
- var type = prop.type_reference.copy ();
- type.is_lvalue_ref = false;
- return type;
- } else if (node is FormalParameter) {
- var p = (FormalParameter) node;
- return p.type_reference;
- } else if (node is TypeReference) {
- return (TypeReference) node;
- } else if (node is VariableDeclarator) {
- var decl = (VariableDeclarator) node;
- return decl.type_reference;
- } else if (node is EnumValue) {
- var type = new TypeReference ();
- type.type = (DataType) node.symbol.parent_symbol.node;
- return type;
- }
- return null;
- }
-
- Symbol symbol_lookup_inherited (Symbol! sym, string! name) {
- var result = sym.lookup (name);
- if (result == null && sym.node is Class) {
- var cl = (Class) sym.node;
- for (cl = cl.base_class; cl != null && result == null; cl = cl.base_class) {
- result = cl.symbol.lookup (name);
- }
+ public override void visit_boolean_literal (BooleanLiteral! expr) {
+ expr.static_type = bool_type;
+ }
+
+ public override void visit_character_literal (CharacterLiteral! expr) {
+ expr.static_type = new TypeReference ();
+ expr.static_type.type = (DataType) root_symbol.lookup ("char").node;
+ }
+
+ public override void visit_integer_literal (IntegerLiteral! expr) {
+ expr.static_type = new TypeReference ();
+ expr.static_type.type = (DataType) root_symbol.lookup ("int").node;
+ }
+
+ public override void visit_real_literal (IntegerLiteral! expr) {
+ expr.static_type = new TypeReference ();
+ expr.static_type.type = (DataType) root_symbol.lookup ("double").node;
+ }
+
+ public override void visit_string_literal (StringLiteral! expr) {
+ expr.static_type = string_type;
+ }
+
+ public override void visit_null_literal (NullLiteral! expr) {
+ /* empty TypeReference represents null */
+
+ expr.static_type = new TypeReference ();
+ }
+
+ public override void visit_literal_expression (LiteralExpression! expr) {
+ expr.static_type = expr.literal.static_type;
+ }
+
+ ref TypeReference get_static_type_for_node (CodeNode! node) {
+ if (node is Field) {
+ var f = (Field) node;
+ return f.type_reference;
+ } else if (node is Constant) {
+ var c = (Constant) node;
+ return c.type_reference;
+ } else if (node is Property) {
+ var prop = (Property) node;
+ var type = prop.type_reference.copy ();
+ type.is_lvalue_ref = false;
+ return type;
+ } else if (node is FormalParameter) {
+ var p = (FormalParameter) node;
+ return p.type_reference;
+ } else if (node is TypeReference) {
+ return (TypeReference) node;
+ } else if (node is VariableDeclarator) {
+ var decl = (VariableDeclarator) node;
+ return decl.type_reference;
+ } else if (node is EnumValue) {
+ var type = new TypeReference ();
+ type.type = (DataType) node.symbol.parent_symbol.node;
+ return type;
+ }
+ return null;
+ }
+
+ Symbol symbol_lookup_inherited (Symbol! sym, string! name) {
+ var result = sym.lookup (name);
+ if (result == null && sym.node is Class) {
+ var cl = (Class) sym.node;
+ for (cl = cl.base_class; cl != null && result == null; cl = cl.base_class) {
+ result = cl.symbol.lookup (name);
}
- return result;
}
+ return result;
+ }
- public override void visit_parenthesized_expression (ParenthesizedExpression! expr) {
- expr.static_type = expr.inner.static_type;
- }
+ public override void visit_parenthesized_expression (ParenthesizedExpression! expr) {
+ expr.static_type = expr.inner.static_type;
+ }
- public override void visit_member_access (MemberAccess! expr) {
- Symbol base_symbol = null;
+ public override void visit_member_access (MemberAccess! expr) {
+ Symbol base_symbol = null;
- if (expr.inner == null) {
- base_symbol = current_symbol;
-
- var sym = current_symbol;
- while (sym != null && expr.symbol_reference == null) {
- expr.symbol_reference = symbol_lookup_inherited (sym, expr.member_name);
- sym = sym.parent_symbol;
- }
+ if (expr.inner == null) {
+ base_symbol = current_symbol;
+
+ var sym = current_symbol;
+ while (sym != null && expr.symbol_reference == null) {
+ expr.symbol_reference = symbol_lookup_inherited (sym, expr.member_name);
+ sym = sym.parent_symbol;
+ }
- if (expr.symbol_reference == null) {
- foreach (NamespaceReference ns in current_using_directives) {
- var local_sym = ns.namespace_symbol.lookup (expr.member_name);
- if (local_sym != null) {
- if (expr.symbol_reference != null) {
- Report.error (expr.source_reference, "`%s' is an ambiguous reference between `%s' and `%s'".printf (expr.member_name, expr.symbol_reference.get_full_name (), local_sym.get_full_name ()));
- return;
- }
- expr.symbol_reference = local_sym;
+ if (expr.symbol_reference == null) {
+ foreach (NamespaceReference ns in current_using_directives) {
+ var local_sym = ns.namespace_symbol.lookup (expr.member_name);
+ if (local_sym != null) {
+ if (expr.symbol_reference != null) {
+ Report.error (expr.source_reference, "`%s' is an ambiguous reference between `%s' and `%s'".printf (expr.member_name, expr.symbol_reference.get_full_name (), local_sym.get_full_name ()));
+ return;
}
+ expr.symbol_reference = local_sym;
}
}
- } else {
- if (expr.inner.error) {
- /* if there was an error in the inner expression, skip this check */
- return;
- }
-
- if (expr.inner is MemberAccess) {
- var base = (MemberAccess) expr.inner;
- base_symbol = base.symbol_reference;
- if (base_symbol.node is Namespace ||
- base_symbol.node is DataType) {
- expr.symbol_reference = base_symbol.lookup (expr.member_name);
- }
- }
-
- if (expr.symbol_reference == null && expr.inner.static_type != null) {
- base_symbol = expr.inner.static_type.type.symbol;
- expr.symbol_reference = symbol_lookup_inherited (base_symbol, expr.member_name);
- }
}
-
- if (expr.symbol_reference == null) {
- expr.error = true;
- Report.error (expr.source_reference, "The name `%s' does not exist in the context of `%s'".printf (expr.member_name, base_symbol.get_full_name ()));
+ } else {
+ if (expr.inner.error) {
+ /* if there was an error in the inner expression, skip this check */
return;
}
-
- current_source_file.add_symbol_dependency (expr.symbol_reference, SourceFileDependencyType.SOURCE);
-
- expr.static_type = get_static_type_for_node (expr.symbol_reference.node);
- }
-
- private bool is_type_compatible (TypeReference! expression_type, TypeReference! expected_type) {
- /* only null is compatible to null */
- if (expected_type.type == null && expected_type.type_parameter == null) {
- return (expression_type.type == null && expected_type.type_parameter == null);
- }
-
- /* null can be casted to any reference or array type */
- if (expression_type.type == null &&
- (expected_type.type_parameter != null ||
- expected_type.type.is_reference_type () ||
- expected_type.is_ref ||
- expected_type.array)) {
- return true;
- }
- /* temporarily ignore type parameters */
- if (expected_type.type_parameter != null) {
- return true;
- }
-
- if (expression_type.array != expected_type.array) {
- return false;
- }
-
- if (expression_type.type == expected_type.type) {
- return true;
- }
-
- /* int may be implicitly casted to long */
- if (expression_type.type == root_symbol.lookup ("int").node && expected_type.type == root_symbol.lookup ("long").node) {
- return true;
- }
-
- /* int may be implicitly casted to uint */
- if (expression_type.type == root_symbol.lookup ("int").node && expected_type.type == root_symbol.lookup ("uint").node) {
- return true;
+ if (expr.inner is MemberAccess) {
+ var base = (MemberAccess) expr.inner;
+ base_symbol = base.symbol_reference;
+ if (base_symbol.node is Namespace ||
+ base_symbol.node is DataType) {
+ expr.symbol_reference = base_symbol.lookup (expr.member_name);
+ }
}
- /* int may be implicitly casted to double */
- if (expression_type.type == root_symbol.lookup ("int").node && expected_type.type == root_symbol.lookup ("double").node) {
- return true;
+ if (expr.symbol_reference == null && expr.inner.static_type != null) {
+ base_symbol = expr.inner.static_type.type.symbol;
+ expr.symbol_reference = symbol_lookup_inherited (base_symbol, expr.member_name);
}
+ }
- /* char may be implicitly casted to unichar */
- if (expression_type.type == root_symbol.lookup ("char").node && expected_type.type == root_symbol.lookup ("unichar").node) {
+ if (expr.symbol_reference == null) {
+ expr.error = true;
+ Report.error (expr.source_reference, "The name `%s' does not exist in the context of `%s'".printf (expr.member_name, base_symbol.get_full_name ()));
+ return;
+ }
+
+ current_source_file.add_symbol_dependency (expr.symbol_reference, SourceFileDependencyType.SOURCE);
+
+ expr.static_type = get_static_type_for_node (expr.symbol_reference.node);
+ }
+
+ private bool is_type_compatible (TypeReference! expression_type, TypeReference! expected_type) {
+ /* only null is compatible to null */
+ if (expected_type.type == null && expected_type.type_parameter == null) {
+ return (expression_type.type == null && expected_type.type_parameter == null);
+ }
+
+ /* null can be casted to any reference or array type */
+ if (expression_type.type == null &&
+ (expected_type.type_parameter != null ||
+ expected_type.type.is_reference_type () ||
+ expected_type.is_ref ||
+ expected_type.array)) {
+ return true;
+ }
+
+ /* temporarily ignore type parameters */
+ if (expected_type.type_parameter != null) {
+ return true;
+ }
+
+ if (expression_type.array != expected_type.array) {
+ return false;
+ }
+
+ if (expression_type.type == expected_type.type) {
+ return true;
+ }
+
+ /* int may be implicitly casted to long */
+ if (expression_type.type == root_symbol.lookup ("int").node && expected_type.type == root_symbol.lookup ("long").node) {
+ return true;
+ }
+
+ /* int may be implicitly casted to uint */
+ if (expression_type.type == root_symbol.lookup ("int").node && expected_type.type == root_symbol.lookup ("uint").node) {
+ return true;
+ }
+
+ /* int may be implicitly casted to double */
+ if (expression_type.type == root_symbol.lookup ("int").node && expected_type.type == root_symbol.lookup ("double").node) {
+ return true;
+ }
+
+ /* char may be implicitly casted to unichar */
+ if (expression_type.type == root_symbol.lookup ("char").node && expected_type.type == root_symbol.lookup ("unichar").node) {
+ return true;
+ }
+
+ /* non-class types must match exactly */
+ if (!(expression_type.type is Class)) {
+ return false;
+ }
+
+ var cl = (Class) expression_type.type;
+
+ var base_class = cl.base_class;
+ for (; base_class != null; base_class = base_class.base_class) {
+ if (base_class == expected_type.type) {
return true;
}
-
- /* non-class types must match exactly */
- if (!(expression_type.type is Class)) {
- return false;
- }
-
- var cl = (Class) expression_type.type;
-
- var base_class = cl.base_class;
- for (; base_class != null; base_class = base_class.base_class) {
- if (base_class == expected_type.type) {
- return true;
- }
- }
-
- return false;
}
+
+ return false;
+ }
- public override void visit_begin_invocation_expression (InvocationExpression! expr) {
- if (expr.call.error) {
- /* if method resolving didn't succeed, skip this check */
+ public override void visit_begin_invocation_expression (InvocationExpression! expr) {
+ if (expr.call.error) {
+ /* if method resolving didn't succeed, skip this check */
+ expr.error = true;
+ return;
+ }
+
+ var msym = expr.call.symbol_reference;
+
+ List<FormalParameter> params;
+
+ if (msym.node is VariableDeclarator) {
+ var decl = (VariableDeclarator) msym.node;
+ if (decl.type_reference.type is Callback) {
+ var cb = (Callback) decl.type_reference.type;
+ params = cb.get_parameters ();
+ } else {
expr.error = true;
+ Report.error (expr.source_reference, "invocation not supported in this context");
return;
}
-
- var msym = expr.call.symbol_reference;
-
- List<FormalParameter> params;
-
- if (msym.node is VariableDeclarator) {
- var decl = (VariableDeclarator) msym.node;
- if (decl.type_reference.type is Callback) {
- var cb = (Callback) decl.type_reference.type;
- params = cb.get_parameters ();
- } else {
- expr.error = true;
- Report.error (expr.source_reference, "invocation not supported in this context");
- return;
- }
- } else if (msym.node is FormalParameter) {
- var param = (FormalParameter) msym.node;
- if (param.type_reference.type is Callback) {
- var cb = (Callback) param.type_reference.type;
- params = cb.get_parameters ();
- } else {
- expr.error = true;
- Report.error (expr.source_reference, "invocation not supported in this context");
- return;
- }
- } else if (msym.node is Method) {
- var m = (Method) msym.node;
- params = m.parameters;
+ } else if (msym.node is FormalParameter) {
+ var param = (FormalParameter) msym.node;
+ if (param.type_reference.type is Callback) {
+ var cb = (Callback) param.type_reference.type;
+ params = cb.get_parameters ();
} else {
expr.error = true;
Report.error (expr.source_reference, "invocation not supported in this context");
return;
}
-
- List arg_it = expr.argument_list;
- foreach (FormalParameter param in params) {
- if (param.ellipsis) {
- break;
- }
-
- if (arg_it != null) {
- var arg = (Expression) arg_it.data;
+ } else if (msym.node is Method) {
+ var m = (Method) msym.node;
+ params = m.parameters;
+ } else {
+ expr.error = true;
+ Report.error (expr.source_reference, "invocation not supported in this context");
+ return;
+ }
+
+ List arg_it = expr.argument_list;
+ foreach (FormalParameter param in params) {
+ if (param.ellipsis) {
+ break;
+ }
+
+ if (arg_it != null) {
+ var arg = (Expression) arg_it.data;
- /* store expected type for callback parameters */
- arg.expected_type = param.type_reference;
-
- arg_it = arg_it.next;
- }
+ /* store expected type for callback parameters */
+ arg.expected_type = param.type_reference;
+
+ arg_it = arg_it.next;
}
}
+ }
- public override void visit_end_invocation_expression (InvocationExpression! expr) {
- if (expr.error) {
- return;
+ public override void visit_end_invocation_expression (InvocationExpression! expr) {
+ if (expr.error) {
+ return;
+ }
+
+ var msym = expr.call.symbol_reference;
+
+ TypeReference ret_type;
+ List<FormalParameter> params;
+
+ if (msym.node is VariableDeclarator) {
+ var decl = (VariableDeclarator) msym.node;
+ var cb = (Callback) decl.type_reference.type;
+ ret_type = cb.return_type;
+ params = cb.get_parameters ();
+ } else if (msym.node is FormalParameter) {
+ var param = (FormalParameter) msym.node;
+ var cb = (Callback) param.type_reference.type;
+ ret_type = cb.return_type;
+ params = cb.get_parameters ();
+ } else if (msym.node is Method) {
+ var m = (Method) msym.node;
+ ret_type = m.return_type;
+ params = m.parameters;
+ }
+
+ expr.static_type = ret_type;
+
+ List arg_it = expr.argument_list;
+
+ bool ellipsis = false;
+ int i = 0;
+ foreach (FormalParameter param in params) {
+ if (param.ellipsis) {
+ ellipsis = true;
+ break;
}
-
- var msym = expr.call.symbol_reference;
-
- TypeReference ret_type;
- List<FormalParameter> params;
-
- if (msym.node is VariableDeclarator) {
- var decl = (VariableDeclarator) msym.node;
- var cb = (Callback) decl.type_reference.type;
- ret_type = cb.return_type;
- params = cb.get_parameters ();
- } else if (msym.node is FormalParameter) {
- var param = (FormalParameter) msym.node;
- var cb = (Callback) param.type_reference.type;
- ret_type = cb.return_type;
- params = cb.get_parameters ();
- } else if (msym.node is Method) {
- var m = (Method) msym.node;
- ret_type = m.return_type;
- params = m.parameters;
+
+ /* header file necessary if we need to cast argument */
+ if (param.type_reference.type != null) {
+ current_source_file.add_symbol_dependency (param.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
}
-
- expr.static_type = ret_type;
-
- List arg_it = expr.argument_list;
-
- bool ellipsis = false;
- int i = 0;
- foreach (FormalParameter param in params) {
- if (param.ellipsis) {
- ellipsis = true;
- break;
- }
- /* header file necessary if we need to cast argument */
- if (param.type_reference.type != null) {
- current_source_file.add_symbol_dependency (param.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
+ if (arg_it == null) {
+ if (param.default_expression == null) {
+ Report.error (expr.source_reference, "Method `%s' does not take %d arguments".printf (msym.get_full_name (), expr.argument_list.length ()));
+ return;
}
-
- if (arg_it == null) {
- if (param.default_expression == null) {
- Report.error (expr.source_reference, "Method `%s' does not take %d arguments".printf (msym.get_full_name (), expr.argument_list.length ()));
- return;
- }
- } else {
- var arg = (Expression) arg_it.data;
- if (arg.static_type != null && !is_type_compatible (arg.static_type, param.type_reference)) {
- /* if there was an error in the argument,
- * i.e. arg.static_type == null, skip type check */
- Report.error (expr.source_reference, "Argument %d: Cannot convert from `%s' to `%s'".printf (i + 1, arg.static_type.to_string (), param.type_reference.to_string ()));
- return;
- }
-
- arg_it = arg_it.next;
-
- i++;
+ } else {
+ var arg = (Expression) arg_it.data;
+ if (arg.static_type != null && !is_type_compatible (arg.static_type, param.type_reference)) {
+ /* if there was an error in the argument,
+ * i.e. arg.static_type == null, skip type check */
+ Report.error (expr.source_reference, "Argument %d: Cannot convert from `%s' to `%s'".printf (i + 1, arg.static_type.to_string (), param.type_reference.to_string ()));
+ return;
}
- }
-
- if (!ellipsis && arg_it != null) {
- Report.error (expr.source_reference, "Method `%s' does not take %d arguments".printf (msym.get_full_name (), expr.argument_list.length ()));
- return;
- }
- }
+
+ arg_it = arg_it.next;
- public override void visit_object_creation_expression (ObjectCreationExpression! expr) {
- if (expr.type_reference.type == null) {
- /* if type resolving didn't succeed, skip this check */
- return;
+ i++;
}
+ }
- current_source_file.add_symbol_dependency (expr.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
+ if (!ellipsis && arg_it != null) {
+ Report.error (expr.source_reference, "Method `%s' does not take %d arguments".printf (msym.get_full_name (), expr.argument_list.length ()));
+ return;
+ }
+ }
- expr.static_type = expr.type_reference.copy ();
- expr.static_type.is_ref = true;
-
- var cl = (Class) expr.type_reference.type;
- while (cl != null) {
- if (cl == initially_unowned_type) {
- expr.static_type.floating_reference = true;
- break;
- }
-
- cl = cl.base_class;
- }
+ public override void visit_object_creation_expression (ObjectCreationExpression! expr) {
+ if (expr.type_reference.type == null) {
+ /* if type resolving didn't succeed, skip this check */
+ return;
}
+
+ current_source_file.add_symbol_dependency (expr.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
- public override void visit_unary_expression (UnaryExpression! expr) {
- if (expr.inner.static_type == null) {
- /* if there was an error in the inner expression, skip type check */
- return;
+ expr.static_type = expr.type_reference.copy ();
+ expr.static_type.is_ref = true;
+
+ var cl = (Class) expr.type_reference.type;
+ while (cl != null) {
+ if (cl == initially_unowned_type) {
+ expr.static_type.floating_reference = true;
+ break;
}
- if (expr.operator == UnaryOperator.PLUS || expr.operator == UnaryOperator.MINUS) {
- // integer or floating point type
+ cl = cl.base_class;
+ }
+ }
- expr.static_type = expr.inner.static_type;
- } else if (expr.operator == UnaryOperator.LOGICAL_NEGATION) {
- // boolean type
+ public override void visit_unary_expression (UnaryExpression! expr) {
+ if (expr.inner.static_type == null) {
+ /* if there was an error in the inner expression, skip type check */
+ return;
+ }
+
+ if (expr.operator == UnaryOperator.PLUS || expr.operator == UnaryOperator.MINUS) {
+ // integer or floating point type
- expr.static_type = expr.inner.static_type;
- } else if (expr.operator == UnaryOperator.BITWISE_COMPLEMENT) {
- // integer type
+ expr.static_type = expr.inner.static_type;
+ } else if (expr.operator == UnaryOperator.LOGICAL_NEGATION) {
+ // boolean type
- expr.static_type = expr.inner.static_type;
- } else if (expr.operator == UnaryOperator.REF) {
- // value type
+ expr.static_type = expr.inner.static_type;
+ } else if (expr.operator == UnaryOperator.BITWISE_COMPLEMENT) {
+ // integer type
- expr.static_type = expr.inner.static_type;
- } else if (expr.operator == UnaryOperator.OUT) {
- // reference type
+ expr.static_type = expr.inner.static_type;
+ } else if (expr.operator == UnaryOperator.REF) {
+ // value type
- expr.static_type = expr.inner.static_type;
- } else {
- assert_not_reached ();
- }
+ expr.static_type = expr.inner.static_type;
+ } else if (expr.operator == UnaryOperator.OUT) {
+ // reference type
+
+ expr.static_type = expr.inner.static_type;
+ } else {
+ assert_not_reached ();
}
+ }
- public override void visit_cast_expression (CastExpression! expr) {
- if (expr.type_reference.type == null) {
- /* if type resolving didn't succeed, skip this check */
- return;
- }
-
- current_source_file.add_symbol_dependency (expr.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
+ public override void visit_cast_expression (CastExpression! expr) {
+ if (expr.type_reference.type == null) {
+ /* if type resolving didn't succeed, skip this check */
+ return;
+ }
+
+ current_source_file.add_symbol_dependency (expr.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
- expr.static_type = expr.type_reference;
+ expr.static_type = expr.type_reference;
+ }
+
+ private bool check_binary_type (BinaryExpression! expr, string! operation) {
+ if (!is_type_compatible (expr.right.static_type, expr.left.static_type)) {
+ Report.error (expr.source_reference, "%s: Cannot convert from `%s' to `%s'".printf (operation, expr.right.static_type.to_string (), expr.left.static_type.to_string ()));
+ return false;
}
- private bool check_binary_type (BinaryExpression! expr, string! operation) {
- if (!is_type_compatible (expr.right.static_type, expr.left.static_type)) {
- Report.error (expr.source_reference, "%s: Cannot convert from `%s' to `%s'".printf (operation, expr.right.static_type.to_string (), expr.left.static_type.to_string ()));
- return false;
- }
-
- return true;
+ return true;
+ }
+
+ public override void visit_binary_expression (BinaryExpression! expr) {
+ if (expr.left.static_type == null
+ || expr.right.static_type == null) {
+ /* if there were any errors in inner expressions, skip type check */
+ return;
}
-
- public override void visit_binary_expression (BinaryExpression! expr) {
- if (expr.left.static_type == null
- || expr.right.static_type == null) {
- /* if there were any errors in inner expressions, skip type check */
+
+ if (expr.left.static_type.type == string_type.type
+ && expr.operator == BinaryOperator.PLUS) {
+ if (expr.right.static_type.type != string_type.type) {
+ Report.error (expr.source_reference, "Operands must be strings");
+ }
+
+ expr.static_type = string_type;
+ } else if (expr.operator == BinaryOperator.PLUS
+ || expr.operator == BinaryOperator.MINUS
+ || expr.operator == BinaryOperator.MUL
+ || expr.operator == BinaryOperator.DIV) {
+ // TODO: check for integer or floating point type in expr.left
+
+ if (!check_binary_type (expr, "Arithmetic operation")) {
return;
}
-
- if (expr.left.static_type.type == string_type.type
- && expr.operator == BinaryOperator.PLUS) {
- if (expr.right.static_type.type != string_type.type) {
- Report.error (expr.source_reference, "Operands must be strings");
- }
- expr.static_type = string_type;
- } else if (expr.operator == BinaryOperator.PLUS
- || expr.operator == BinaryOperator.MINUS
- || expr.operator == BinaryOperator.MUL
- || expr.operator == BinaryOperator.DIV) {
- // TODO: check for integer or floating point type in expr.left
+ expr.static_type = expr.left.static_type;
+ } else if (expr.operator == BinaryOperator.MOD
+ || expr.operator == BinaryOperator.SHIFT_LEFT
+ || expr.operator == BinaryOperator.SHIFT_RIGHT
+ || expr.operator == BinaryOperator.BITWISE_XOR) {
+ // TODO: check for integer type in expr.left
- if (!check_binary_type (expr, "Arithmetic operation")) {
- return;
- }
+ if (!check_binary_type (expr, "Arithmetic operation")) {
+ return;
+ }
- expr.static_type = expr.left.static_type;
- } else if (expr.operator == BinaryOperator.MOD
- || expr.operator == BinaryOperator.SHIFT_LEFT
- || expr.operator == BinaryOperator.SHIFT_RIGHT
- || expr.operator == BinaryOperator.BITWISE_XOR) {
- // TODO: check for integer type in expr.left
+ expr.static_type = expr.left.static_type;
+ } else if (expr.operator == BinaryOperator.LESS_THAN
+ || expr.operator == BinaryOperator.GREATER_THAN
+ || expr.operator == BinaryOperator.LESS_THAN_OR_EQUAL
+ || expr.operator == BinaryOperator.GREATER_THAN_OR_EQUAL) {
+ if (expr.left.static_type.type == string_type.type
+ && expr.right.static_type.type == string_type.type) {
+ /* string comparison: convert to a.collate (b) OP 0 */
+
+ var cmp_call = new InvocationExpression (call = new MemberAccess (inner = expr.left, member_name = "collate"));
+ cmp_call.add_argument (expr.right);
+ expr.left = cmp_call;
+
+ expr.right = new LiteralExpression (literal = new IntegerLiteral (value = "0"));
+
+ expr.left.accept (this);
+ } else {
+ /* TODO: check for integer or floating point type in expr.left */
- if (!check_binary_type (expr, "Arithmetic operation")) {
+ if (!check_binary_type (expr, "Relational operation")) {
return;
}
+ }
+
+ expr.static_type = bool_type;
+ } else if (expr.operator == BinaryOperator.EQUALITY
+ || expr.operator == BinaryOperator.INEQUALITY) {
+ /* relational operation */
- expr.static_type = expr.left.static_type;
- } else if (expr.operator == BinaryOperator.LESS_THAN
- || expr.operator == BinaryOperator.GREATER_THAN
- || expr.operator == BinaryOperator.LESS_THAN_OR_EQUAL
- || expr.operator == BinaryOperator.GREATER_THAN_OR_EQUAL) {
- if (expr.left.static_type.type == string_type.type
- && expr.right.static_type.type == string_type.type) {
- /* string comparison: convert to a.collate (b) OP 0 */
-
- var cmp_call = new InvocationExpression (call = new MemberAccess (inner = expr.left, member_name = "collate"));
- cmp_call.add_argument (expr.right);
- expr.left = cmp_call;
-
- expr.right = new LiteralExpression (literal = new IntegerLiteral (value = "0"));
-
- expr.left.accept (this);
- } else {
- /* TODO: check for integer or floating point type in expr.left */
-
- if (!check_binary_type (expr, "Relational operation")) {
- return;
- }
- }
+ if (!is_type_compatible (expr.right.static_type, expr.left.static_type)
+ && !is_type_compatible (expr.left.static_type, expr.right.static_type)) {
+ Report.error (expr.source_reference, "Equality operation: `%s' and `%s' are incompatible, comparison would always evaluate to false".printf (expr.right.static_type.to_string (), expr.left.static_type.to_string ()));
+ return;
+ }
+
+ if (expr.left.static_type.type == string_type.type
+ && expr.right.static_type.type == string_type.type) {
+ /* string comparison: convert to a.collate (b) OP 0 */
- expr.static_type = bool_type;
- } else if (expr.operator == BinaryOperator.EQUALITY
- || expr.operator == BinaryOperator.INEQUALITY) {
- /* relational operation */
-
- if (!is_type_compatible (expr.right.static_type, expr.left.static_type)
- && !is_type_compatible (expr.left.static_type, expr.right.static_type)) {
- Report.error (expr.source_reference, "Equality operation: `%s' and `%s' are incompatible, comparison would always evaluate to false".printf (expr.right.static_type.to_string (), expr.left.static_type.to_string ()));
- return;
- }
+ var cmp_call = new InvocationExpression (call = new MemberAccess (inner = expr.left, member_name = "collate"));
+ cmp_call.add_argument (expr.right);
+ expr.left = cmp_call;
- if (expr.left.static_type.type == string_type.type
- && expr.right.static_type.type == string_type.type) {
- /* string comparison: convert to a.collate (b) OP 0 */
-
- var cmp_call = new InvocationExpression (call = new MemberAccess (inner = expr.left, member_name = "collate"));
- cmp_call.add_argument (expr.right);
- expr.left = cmp_call;
-
- expr.right = new LiteralExpression (literal = new IntegerLiteral (value = "0"));
-
- expr.left.accept (this);
- }
+ expr.right = new LiteralExpression (literal = new IntegerLiteral (value = "0"));
+
+ expr.left.accept (this);
+ }
- expr.static_type = bool_type;
- } else if (expr.operator == BinaryOperator.BITWISE_AND
- || expr.operator == BinaryOperator.BITWISE_OR) {
- // integer type or flags type
+ expr.static_type = bool_type;
+ } else if (expr.operator == BinaryOperator.BITWISE_AND
+ || expr.operator == BinaryOperator.BITWISE_OR) {
+ // integer type or flags type
+
+ expr.static_type = expr.left.static_type;
+ } else if (expr.operator == BinaryOperator.AND
+ || expr.operator == BinaryOperator.OR) {
+ if (expr.left.static_type.type != bool_type.type || expr.right.static_type.type != bool_type.type) {
+ Report.error (expr.source_reference, "Operands must be boolean");
+ }
- expr.static_type = expr.left.static_type;
- } else if (expr.operator == BinaryOperator.AND
- || expr.operator == BinaryOperator.OR) {
- if (expr.left.static_type.type != bool_type.type || expr.right.static_type.type != bool_type.type) {
- Report.error (expr.source_reference, "Operands must be boolean");
- }
+ expr.static_type = bool_type;
+ } else {
+ assert_not_reached ();
+ }
+ }
- expr.static_type = bool_type;
- } else {
- assert_not_reached ();
- }
+ public override void visit_type_check (TypeCheck! expr) {
+ if (expr.type_reference.type == null) {
+ /* if type resolving didn't succeed, skip this check */
+ return;
}
+
+ current_source_file.add_symbol_dependency (expr.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
- public override void visit_type_check (TypeCheck! expr) {
- if (expr.type_reference.type == null) {
- /* if type resolving didn't succeed, skip this check */
- return;
- }
-
- current_source_file.add_symbol_dependency (expr.type_reference.type.symbol, SourceFileDependencyType.SOURCE);
+ expr.static_type = bool_type;
+ }
- expr.static_type = bool_type;
+ public override void visit_conditional_expression (ConditionalExpression! expr) {
+ if (expr.condition.static_type.type != bool_type.type) {
+ expr.error = true;
+ Report.error (expr.condition.source_reference, "Condition must be boolean");
+ return;
}
- private ref string get_lambda_name () {
- var result = "__lambda%d".printf (next_lambda_id);
+ /* FIXME: use greatest lower bound in the type hierarchy */
+ expr.static_type = expr.true_expression.static_type;
+ }
+
+ private ref string get_lambda_name () {
+ var result = "__lambda%d".printf (next_lambda_id);
- next_lambda_id++;
-
- return result;
- }
+ next_lambda_id++;
- private Method find_current_method () {
- var sym = current_symbol;
- while (sym != null) {
- if (sym.node is Method) {
- return (Method) sym.node;
- }
- sym = sym.parent_symbol;
+ return result;
+ }
+
+ private Method find_current_method () {
+ var sym = current_symbol;
+ while (sym != null) {
+ if (sym.node is Method) {
+ return (Method) sym.node;
}
- return null;
+ sym = sym.parent_symbol;
}
+ return null;
+ }
- public override void visit_begin_lambda_expression (LambdaExpression! l) {
- if (l.expected_type == null || !(l.expected_type.type is Callback)) {
- l.error = true;
- Report.error (l.source_reference, "lambda expression not allowed in this context");
- return;
- }
-
- var current_method = find_current_method ();
-
- var cb = (Callback) l.expected_type.type;
- l.method = new Method (name = get_lambda_name (), return_type = cb.return_type);
- l.method.instance = cb.instance && current_method.instance;
- l.method.symbol = new Symbol (node = l.method);
- l.method.symbol.parent_symbol = current_symbol;
-
- var lambda_params = l.get_parameters ();
- var lambda_param_it = lambda_params;
- foreach (FormalParameter cb_param in cb.get_parameters ()) {
- if (lambda_param_it == null) {
- /* lambda expressions are allowed to have less parameters */
- break;
- }
-
- var lambda_param = (string) lambda_param_it.data;
-
- var param = new FormalParameter (name = lambda_param);
- param.type_reference = cb_param.type_reference;
- param.symbol = new Symbol (node = param);
- l.method.symbol.add (param.name, param.symbol);
-
- l.method.add_parameter (param);
-
- lambda_param_it = lambda_param_it.next;
+ public override void visit_begin_lambda_expression (LambdaExpression! l) {
+ if (l.expected_type == null || !(l.expected_type.type is Callback)) {
+ l.error = true;
+ Report.error (l.source_reference, "lambda expression not allowed in this context");
+ return;
+ }
+
+ var current_method = find_current_method ();
+
+ var cb = (Callback) l.expected_type.type;
+ l.method = new Method (name = get_lambda_name (), return_type = cb.return_type);
+ l.method.instance = cb.instance && current_method.instance;
+ l.method.symbol = new Symbol (node = l.method);
+ l.method.symbol.parent_symbol = current_symbol;
+
+ var lambda_params = l.get_parameters ();
+ var lambda_param_it = lambda_params;
+ foreach (FormalParameter cb_param in cb.get_parameters ()) {
+ if (lambda_param_it == null) {
+ /* lambda expressions are allowed to have less parameters */
+ break;
}
- if (lambda_param_it != null) {
- /* lambda expressions may not expect more parameters */
- l.error = true;
- Report.error (l.source_reference, "lambda expression: too many parameters");
- return;
- }
+ var lambda_param = (string) lambda_param_it.data;
- var block = new Block ();
- block.symbol = new Symbol (node = block);
- block.symbol.parent_symbol = l.method.symbol;
- if (l.method.return_type.type != null) {
- block.add_statement (new ReturnStatement (return_expression = l.inner));
- } else {
- block.add_statement (new ExpressionStatement (expression = l.inner));
- }
+ var param = new FormalParameter (name = lambda_param);
+ param.type_reference = cb_param.type_reference;
+ param.symbol = new Symbol (node = param);
+ l.method.symbol.add (param.name, param.symbol);
- l.method.body = block;
+ l.method.add_parameter (param);
- /* lambda expressions should be usable like MemberAccess of a method */
- l.symbol_reference = l.method.symbol;
+ lambda_param_it = lambda_param_it.next;
+ }
+
+ if (lambda_param_it != null) {
+ /* lambda expressions may not expect more parameters */
+ l.error = true;
+ Report.error (l.source_reference, "lambda expression: too many parameters");
+ return;
+ }
+
+ var block = new Block ();
+ block.symbol = new Symbol (node = block);
+ block.symbol.parent_symbol = l.method.symbol;
+ if (l.method.return_type.type != null) {
+ block.add_statement (new ReturnStatement (return_expression = l.inner));
+ } else {
+ block.add_statement (new ExpressionStatement (expression = l.inner));
}
+
+ l.method.body = block;
+
+ /* lambda expressions should be usable like MemberAccess of a method */
+ l.symbol_reference = l.method.symbol;
+ }
- public override void visit_begin_assignment (Assignment! a) {
- var ma = (MemberAccess) a.left;
-
- if (ma.symbol_reference.node is Signal) {
- var sig = (Signal) ma.symbol_reference.node;
+ public override void visit_begin_assignment (Assignment! a) {
+ var ma = (MemberAccess) a.left;
+
+ if (ma.symbol_reference.node is Signal) {
+ var sig = (Signal) ma.symbol_reference.node;
- a.right.expected_type = new TypeReference ();
- a.right.expected_type.type = sig.get_callback ();
- }
+ a.right.expected_type = new TypeReference ();
+ a.right.expected_type.type = sig.get_callback ();
}
+ }
- public override void visit_end_assignment (Assignment! a) {
- if (!(a.left is MemberAccess)) {
- a.error = true;
- Report.error (a.source_reference, "unsupported lvalue in assignment");
- return;
- }
+ public override void visit_end_assignment (Assignment! a) {
+ if (!(a.left is MemberAccess)) {
+ a.error = true;
+ Report.error (a.source_reference, "unsupported lvalue in assignment");
+ return;
+ }
+
+ var ma = (MemberAccess) a.left;
- var ma = (MemberAccess) a.left;
+ if (ma.symbol_reference.node is Signal) {
+ var sig = (Signal) ma.symbol_reference.node;
+ } else if (ma.symbol_reference.node is Property) {
+ var prop = (Property) ma.symbol_reference.node;
+ } else if (ma.symbol_reference.node is VariableDeclarator && a.right.static_type == null) {
+ var decl = (VariableDeclarator) ma.symbol_reference.node;
- if (ma.symbol_reference.node is Signal) {
- var sig = (Signal) ma.symbol_reference.node;
- } else if (ma.symbol_reference.node is Property) {
- var prop = (Property) ma.symbol_reference.node;
- } else if (ma.symbol_reference.node is VariableDeclarator && a.right.static_type == null) {
- var decl = (VariableDeclarator) ma.symbol_reference.node;
+ var right_ma = (MemberAccess) a.right;
+ if (right_ma.symbol_reference.node is Method &&
+ decl.type_reference.type is Callback) {
+ var m = (Method) right_ma.symbol_reference.node;
+ var cb = (Callback) decl.type_reference.type;
- var right_ma = (MemberAccess) a.right;
- if (right_ma.symbol_reference.node is Method &&
- decl.type_reference.type is Callback) {
- var m = (Method) right_ma.symbol_reference.node;
- var cb = (Callback) decl.type_reference.type;
-
- /* check whether method matches callback type */
- if (!cb.matches_method (m)) {
- decl.error = true;
- Report.error (a.source_reference, "declaration of method `%s' doesn't match declaration of callback `%s'".printf (m.symbol.get_full_name (), cb.symbol.get_full_name ()));
- return;
- }
-
- a.right.static_type = decl.type_reference;
- } else {
- a.error = true;
- Report.error (a.source_reference, "Assignment: Invalid callback assignment attempt");
- return;
- }
- } else if (a.left.static_type != null && a.right.static_type != null) {
- if (!is_type_compatible (a.right.static_type, a.left.static_type)) {
- /* if there was an error on either side,
- * i.e. a.{left|right}.static_type == null, skip type check */
- Report.error (a.source_reference, "Assignment: Cannot convert from `%s' to `%s'".printf (a.right.static_type.to_string (), a.left.static_type.to_string ()));
+ /* check whether method matches callback type */
+ if (!cb.matches_method (m)) {
+ decl.error = true;
+ Report.error (a.source_reference, "declaration of method `%s' doesn't match declaration of callback `%s'".printf (m.symbol.get_full_name (), cb.symbol.get_full_name ()));
return;
}
- if (memory_management) {
- if (a.right.static_type.is_ref) {
- /* rhs transfers ownership of the expression */
- if (!a.left.static_type.is_lvalue_ref) {
- /* lhs doesn't own the value
- * promote lhs type if it is a local variable
- * error if it's not a local variable */
- if (!(ma.symbol_reference.node is VariableDeclarator)) {
- Report.error (a.source_reference, "Invalid assignment from owned expression to unowned variable");
- }
-
- a.left.static_type.is_lvalue_ref = true;
+ a.right.static_type = decl.type_reference;
+ } else {
+ a.error = true;
+ Report.error (a.source_reference, "Assignment: Invalid callback assignment attempt");
+ return;
+ }
+ } else if (a.left.static_type != null && a.right.static_type != null) {
+ if (!is_type_compatible (a.right.static_type, a.left.static_type)) {
+ /* if there was an error on either side,
+ * i.e. a.{left|right}.static_type == null, skip type check */
+ Report.error (a.source_reference, "Assignment: Cannot convert from `%s' to `%s'".printf (a.right.static_type.to_string (), a.left.static_type.to_string ()));
+ return;
+ }
+
+ if (memory_management) {
+ if (a.right.static_type.is_ref) {
+ /* rhs transfers ownership of the expression */
+ if (!a.left.static_type.is_lvalue_ref) {
+ /* lhs doesn't own the value
+ * promote lhs type if it is a local variable
+ * error if it's not a local variable */
+ if (!(ma.symbol_reference.node is VariableDeclarator)) {
+ Report.error (a.source_reference, "Invalid assignment from owned expression to unowned variable");
}
- } else if (a.left.static_type.is_lvalue_ref) {
- /* lhs wants to own the value
- * rhs doesn't transfer the ownership
- * code generator needs to add reference
- * increment calls */
+
+ a.left.static_type.is_lvalue_ref = true;
}
+ } else if (a.left.static_type.is_lvalue_ref) {
+ /* lhs wants to own the value
+ * rhs doesn't transfer the ownership
+ * code generator needs to add reference
+ * increment calls */
}
}
-
- a.static_type = a.left.static_type;
}
+
+ a.static_type = a.left.static_type;
}
}
projects / platform / upstream / vala.git / commitdiff