From 2aa61900cb7ba616dd54803cf4de7d59e7537a9b Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=BCrg=20Billeter?= <j@bitron.ch>
Date: Tue, 15 Dec 2009 20:06:05 +0100
Subject: [PATCH] valac: Add --symbols option

Writes the name of each exported function to the specified file.

Based on patch by Haakon Sporsheim, fixes bug 586494.
---
 codegen/valaccodebasemodule.vala | 15 +++++++++++++++
 compiler/valacompiler.vala       |  3 +++
 vala/valacodecontext.vala        |  5 +++++
 3 files changed, 23 insertions(+)

diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 0a7779f33..3ca3c6fac 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -364,6 +364,21 @@ internal class Vala.CCodeBaseModule : CCodeModule {
 			}
 		}
 
+		// generate symbols file for public API
+		if (context.symbols_filename != null) {
+			var stream = FileStream.open (context.symbols_filename, "w");
+
+			foreach (CCodeNode node in header_declarations.type_member_declaration.get_children ()) {
+				if (node is CCodeFunction) {
+					var func = (CCodeFunction) node;
+					stream.puts (func.name);
+					stream.putc ('\n');
+				}
+			}
+
+			stream = null;
+		}
+
 		// generate C header file for public API
 		if (context.header_filename != null) {
 			var writer = new CCodeWriter (context.header_filename);
diff --git a/compiler/valacompiler.vala b/compiler/valacompiler.vala
index 3f37fbd6c..bddaa1f49 100644
--- a/compiler/valacompiler.vala
+++ b/compiler/valacompiler.vala
@@ -49,6 +49,7 @@ class Vala.Compiler {
 	static bool use_header;
 	static string internal_header_filename;
 	static string internal_vapi_filename;
+	static string symbols_filename;
 	static string includedir;
 	static bool compile_only;
 	static string output;
@@ -94,6 +95,7 @@ class Vala.Compiler {
 		{ "includedir", 0, 0, OptionArg.FILENAME, ref includedir, "Directory used to include the C header file", "DIRECTORY" },
 		{ "internal-header", 'h', 0, OptionArg.FILENAME, ref internal_header_filename, "Output internal C header file", "FILE" },
 		{ "internal-vapi", 0, 0, OptionArg.FILENAME, ref internal_vapi_filename, "Output vapi with internal api", "FILE" },
+		{ "symbols", 0, 0, OptionArg.FILENAME, ref symbols_filename, "Output symbols file", "FILE" },
 		{ "compile", 'c', 0, OptionArg.NONE, ref compile_only, "Compile but do not link", null },
 		{ "output", 'o', 0, OptionArg.FILENAME, ref output, "Place output in file FILE", "FILE" },
 		{ "debug", 'g', 0, OptionArg.NONE, ref debug, "Produce debug information", null },
@@ -218,6 +220,7 @@ class Vala.Compiler {
 		}
 		context.use_header = use_header;
 		context.internal_header_filename = internal_header_filename;
+		context.symbols_filename = symbols_filename;
 		context.includedir = includedir;
 		context.output = output;
 		if (basedir == null) {
diff --git a/vala/valacodecontext.vala b/vala/valacodecontext.vala
index 5f573231c..e9e694df7 100644
--- a/vala/valacodecontext.vala
+++ b/vala/valacodecontext.vala
@@ -78,6 +78,11 @@ public class Vala.CodeContext {
 	 */
 	public string? includedir { get; set; }
 
+	/**
+	 * Output symbols file.
+	 */
+	public string? symbols_filename { get; set; }
+
 	/**
 	 * Compile but do not link.
 	 */
-- 
2.47.3