Clean up Shader Preprocessor

* Moved preprocessor to Shader and ShaderInclude
* Clean up RenderingServer side
* Preprocessor is separate from parser now, but it emits tokens with include location hints.
* Improved ShaderEditor validation code
* Added include file code completion
* Added notification for all files affected by a broken include.

2 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gles3/storage/material_storage.cpp b/drivers/gles3/storage/material_storage.cpp
index 8a8d79b3f7..ab92fe0d1a 100644
--- a/drivers/gles3/storage/material_storage.cpp
+++ b/drivers/gles3/storage/material_storage.cpp
@@ -2462,6 +2462,13 @@ void MaterialStorage::shader_set_code(RID p_shader, const String &p_code) {
 	}
 }
 
+void MaterialStorage::shader_set_path_hint(RID p_shader, const String &p_path) {
+	GLES3::Shader *shader = shader_owner.get_or_null(p_shader);
+	ERR_FAIL_COND(!shader);
+
+	shader->path_hint = p_path;
+}
+
 String MaterialStorage::shader_get_code(RID p_shader) const {
 	const GLES3::Shader *shader = shader_owner.get_or_null(p_shader);
 	ERR_FAIL_COND_V(!shader, String());
diff --git a/drivers/gles3/storage/material_storage.h b/drivers/gles3/storage/material_storage.h
index 6ad277c2b9..0e96541250 100644
--- a/drivers/gles3/storage/material_storage.h
+++ b/drivers/gles3/storage/material_storage.h
@@ -73,6 +73,7 @@ struct Material;
 struct Shader {
 	ShaderData *data = nullptr;
 	String code;
+	String path_hint;
 	RS::ShaderMode mode;
 	HashMap<StringName, HashMap<int, RID>> default_texture_parameter;
 	HashSet<Material *> owners;
@@ -542,6 +543,7 @@ public:
 	virtual void shader_free(RID p_rid) override;
 
 	virtual void shader_set_code(RID p_shader, const String &p_code) override;
+	virtual void shader_set_path_hint(RID p_shader, const String &p_path) override;
 	virtual String shader_get_code(RID p_shader) const override;
 	virtual void shader_get_param_list(RID p_shader, List<PropertyInfo> *p_param_list) const override;