[vala/wip/issue/1038] SQUASH Add c:symbol-prefix to <namespace>

[Rico Tzschichholz <ricotz src gnome org>]

commit 37d1f5f00207f61876ab039498f05d3f36f8781e
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Jul 20 12:12:11 2020 +0200

    SQUASH Add c:symbol-prefix to <namespace>

 codegen/valagirwriter.vala               | 4 ++++
 tests/girwriter/GirTest-1.0.gir-expected | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/codegen/valagirwriter.vala b/codegen/valagirwriter.vala
index 9660b7630..2ae748bf0 100644
--- a/codegen/valagirwriter.vala
+++ b/codegen/valagirwriter.vala
@@ -349,6 +349,10 @@ public class Vala.GIRWriter : CodeVisitor {
                        buffer.append_printf (" c:prefix=\"%s\"", cprefix);
                        buffer.append_printf (" c:identifier-prefixes=\"%s\"", cprefix);
                }
+               string? csymbol_prefix = get_ccode_lower_case_suffix (ns);
+               if (csymbol_prefix != null) {
+                       buffer.append_printf (" c:symbol-prefix=\"%s\"", csymbol_prefix);
+               }
                buffer.append_printf (">\n");
                indent++;
 
diff --git a/tests/girwriter/GirTest-1.0.gir-expected b/tests/girwriter/GirTest-1.0.gir-expected
index 181a7bae4..6977d77e8 100644
--- a/tests/girwriter/GirTest-1.0.gir-expected
+++ b/tests/girwriter/GirTest-1.0.gir-expected
@@ -4,7 +4,7 @@
 <include name="Gio" version="2.0"/>
 <package name="girtest"/>
 <c:include name="girtest.h"/>
-<namespace name="GirTest" version="1.0" shared-library="girtest" c:prefix="GirTest" 
c:identifier-prefixes="GirTest">
+<namespace name="GirTest" version="1.0" shared-library="girtest" c:prefix="GirTest" 
c:identifier-prefixes="GirTest" c:symbol-prefix="gir_test">
        <enumeration name="EnumTest" c:type="GirTestEnumTest" glib:type-name="GirTestEnumTest" 
glib:get-type="gir_test_enum_test_get_type">
                <member name="value1" c:identifier="GIR_TEST_ENUM_TEST_VALUE1" value="0"/>
                <member name="value2" c:identifier="GIR_TEST_ENUM_TEST_VALUE2" value="1"/>