[gtk+/wip/otte/shader: 19/55] gsksl: Add support for structs
- From: Benjamin Otte <otte src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk+/wip/otte/shader: 19/55] gsksl: Add support for structs
- Date: Tue, 3 Oct 2017 03:40:34 +0000 (UTC)
commit 0db085d3e6cd0f6529ede7ab627c6cd4be73c9e7
Author: Benjamin Otte <otte redhat com>
Date: Thu Sep 28 02:45:43 2017 +0200
gsksl: Add support for structs
gsk/gskslexpression.c | 7 +-
gsk/gskslnode.c | 4 +-
gsk/gskslprogram.c | 2 +-
gsk/gskslscope.c | 34 ++++
gsk/gskslscopeprivate.h | 5 +
gsk/gsksltype.c | 413 ++++++++++++++++++++++++++++++++++++++++++++++-
gsk/gsksltypeprivate.h | 14 ++-
7 files changed, 469 insertions(+), 10 deletions(-)
---
diff --git a/gsk/gskslexpression.c b/gsk/gskslexpression.c
index 82033c3..2c0a285 100644
--- a/gsk/gskslexpression.c
+++ b/gsk/gskslexpression.c
@@ -1117,6 +1117,9 @@ gsk_sl_expression_parse_primary (GskSlScope *scope,
GskSlVariable *variable;
char *name;
+ if (gsk_sl_scope_lookup_type (scope, token->str))
+ goto its_a_type;
+
name = g_strdup (token->str);
gsk_sl_preprocessor_consume (stream, NULL);
@@ -1236,12 +1239,14 @@ gsk_sl_expression_parse_primary (GskSlScope *scope,
case GSK_SL_TOKEN_DMAT4X2:
case GSK_SL_TOKEN_DMAT4X3:
case GSK_SL_TOKEN_DMAT4X4:
+ case GSK_SL_TOKEN_STRUCT:
{
GskSlFunction *constructor;
GskSlExpression *expression;
GskSlType *type;
- type = gsk_sl_type_new_parse (stream);
+its_a_type:
+ type = gsk_sl_type_new_parse (scope, stream);
constructor = gsk_sl_function_new_constructor (type);
expression = gsk_sl_expression_parse_function_call (scope, stream, constructor);
gsk_sl_function_unref (constructor);
diff --git a/gsk/gskslnode.c b/gsk/gskslnode.c
index 33ac6f8..2d34332 100644
--- a/gsk/gskslnode.c
+++ b/gsk/gskslnode.c
@@ -381,6 +381,8 @@ gsk_sl_node_parse_statement (GskSlScope *scope,
case GSK_SL_TOKEN_DMAT4X2:
case GSK_SL_TOKEN_DMAT4X3:
case GSK_SL_TOKEN_DMAT4X4:
+ case GSK_SL_TOKEN_STRUCT:
+ case GSK_SL_TOKEN_IDENTIFIER:
{
GskSlType *type;
GskSlDecorations decoration;
@@ -389,7 +391,7 @@ gsk_sl_node_parse_statement (GskSlScope *scope,
preproc,
&decoration);
- type = gsk_sl_type_new_parse (preproc);
+ type = gsk_sl_type_new_parse (scope, preproc);
token = gsk_sl_preprocessor_get (preproc);
diff --git a/gsk/gskslprogram.c b/gsk/gskslprogram.c
index 9220034..47b68be 100644
--- a/gsk/gskslprogram.c
+++ b/gsk/gskslprogram.c
@@ -145,7 +145,7 @@ gsk_sl_program_parse_declaration (GskSlProgram *program,
preproc,
&decoration);
- type = gsk_sl_type_new_parse (preproc);
+ type = gsk_sl_type_new_parse (scope, preproc);
token = gsk_sl_preprocessor_get (preproc);
if (gsk_sl_token_is (token, GSK_SL_TOKEN_SEMICOLON))
diff --git a/gsk/gskslscope.c b/gsk/gskslscope.c
index 85e4b72..1a70c33 100644
--- a/gsk/gskslscope.c
+++ b/gsk/gskslscope.c
@@ -35,6 +35,7 @@ struct _GskSlScope
GHashTable *variables;
GHashTable *functions;
+ GHashTable *types;
};
GskSlScope *
@@ -52,6 +53,7 @@ gsk_sl_scope_new (GskSlScope *parent,
scope->return_type = gsk_sl_type_ref (return_type);
scope->variables = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, (GDestroyNotify)
gsk_sl_variable_unref);
scope->functions = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, (GDestroyNotify)
gsk_sl_function_unref);
+ scope->types = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, (GDestroyNotify) gsk_sl_type_unref);
return scope;
}
@@ -78,6 +80,7 @@ gsk_sl_scope_unref (GskSlScope *scope)
g_hash_table_unref (scope->variables);
g_hash_table_unref (scope->functions);
+ g_hash_table_unref (scope->types);
if (scope->parent)
gsk_sl_scope_unref (scope->parent);
@@ -93,6 +96,12 @@ gsk_sl_scope_get_return_type (const GskSlScope *scope)
return scope->return_type;
}
+gboolean
+gsk_sl_scope_is_global (const GskSlScope *scope)
+{
+ return scope->parent == NULL;
+}
+
void
gsk_sl_scope_add_variable (GskSlScope *scope,
GskSlVariable *variable)
@@ -142,3 +151,28 @@ gsk_sl_scope_lookup_function (GskSlScope *scope,
return NULL;
}
+
+void
+gsk_sl_scope_add_type (GskSlScope *scope,
+ GskSlType *type)
+{
+ g_hash_table_replace (scope->types, gsk_sl_type_get_name (type), gsk_sl_type_ref (type));
+}
+
+GskSlType *
+gsk_sl_scope_lookup_type (GskSlScope *scope,
+ const char *name)
+{
+ GskSlType *result;
+
+ for (;
+ scope != NULL;
+ scope = scope->parent)
+ {
+ result = g_hash_table_lookup (scope->types, name);
+ if (result)
+ return result;
+ }
+
+ return NULL;
+}
diff --git a/gsk/gskslscopeprivate.h b/gsk/gskslscopeprivate.h
index 869c94d..50e6120 100644
--- a/gsk/gskslscopeprivate.h
+++ b/gsk/gskslscopeprivate.h
@@ -32,6 +32,7 @@ GskSlScope * gsk_sl_scope_ref (GskSlScope
void gsk_sl_scope_unref (GskSlScope *scope);
GskSlType * gsk_sl_scope_get_return_type (const GskSlScope *scope);
+gboolean gsk_sl_scope_is_global (const GskSlScope *scope);
void gsk_sl_scope_add_variable (GskSlScope *scope,
GskSlVariable *variable);
@@ -41,6 +42,10 @@ void gsk_sl_scope_add_function (GskSlScope
GskSlFunction *function);
GskSlFunction * gsk_sl_scope_lookup_function (GskSlScope *scope,
const char *name);
+void gsk_sl_scope_add_type (GskSlScope *scope,
+ GskSlType *type);
+GskSlType * gsk_sl_scope_lookup_type (GskSlScope *scope,
+ const char *name);
G_END_DECLS
diff --git a/gsk/gsksltype.c b/gsk/gsksltype.c
index 1310f66..06f03c3 100644
--- a/gsk/gsksltype.c
+++ b/gsk/gsksltype.c
@@ -22,6 +22,8 @@
#include "gsksltokenizerprivate.h"
#include "gskslpreprocessorprivate.h"
+#include "gskslpreprocessorprivate.h"
+#include "gskslscopeprivate.h"
#include "gskslvalueprivate.h"
#include "gskspvwriterprivate.h"
@@ -306,6 +308,21 @@ struct {
#undef SIMPLE_CONVERSION
#undef CONVERSIONS
+static GskSlType *
+gsk_sl_type_alloc (const GskSlTypeClass *klass,
+ gsize size)
+{
+ GskSlType *type;
+
+ type = g_slice_alloc0 (size);
+
+ type->class = klass;
+ type->ref_count = 1;
+
+ return type;
+}
+#define gsk_sl_type_new(_name, _klass) ((_name *) gsk_sl_type_alloc ((_klass), sizeof (_name)))
+
/* SCALAR */
typedef struct _GskSlTypeScalar GskSlTypeScalar;
@@ -797,8 +814,7 @@ gsk_sl_type_matrix_write_value_spv (GskSlType *type,
data = value;
vector_type = gsk_sl_type_get_index_type (type);
- ids[1] = gsk_spv_writer_get_id_for_type (writer, type);
- ids[0] = gsk_spv_writer_next_id (writer);
+ ids[0] = gsk_spv_writer_get_id_for_type (writer, type);
for (i = 0; i < matrix->rows; i++)
{
v = gsk_sl_value_new_for_data (vector_type, data, NULL, NULL);
@@ -807,6 +823,7 @@ gsk_sl_type_matrix_write_value_spv (GskSlType *type,
data += gsk_sl_type_get_size (vector_type);
}
+ ids[1] = gsk_spv_writer_next_id (writer);
gsk_spv_writer_add (writer,
GSK_SPV_WRITER_SECTION_DECLARE,
3 + matrix->rows,
@@ -830,13 +847,291 @@ static const GskSlTypeClass GSK_SL_TYPE_MATRIX = {
gsk_sl_type_matrix_write_value_spv
};
+/* STRUCT */
+
+typedef struct _GskSlTypeMember GskSlTypeMember;
+typedef struct _GskSlTypeStruct GskSlTypeStruct;
+
+struct _GskSlTypeMember {
+ GskSlType *type;
+ char *name;
+ gsize offset;
+};
+
+struct _GskSlTypeStruct {
+ GskSlType parent;
+
+ char *name;
+ gsize size;
+
+ GskSlTypeMember *members;
+ guint n_members;
+};
+
+static void
+gsk_sl_type_struct_free (GskSlType *type)
+{
+ GskSlTypeStruct *struc = (GskSlTypeStruct *) type;
+ guint i;
+
+ for (i = 0; i < struc->n_members; i++)
+ {
+ gsk_sl_type_unref (struc->members[i].type);
+ g_free (struc->members[i].name);
+ }
+
+ g_free (struc->members);
+ g_free (struc->name);
+
+ g_slice_free (GskSlTypeStruct, struc);
+}
+
+static const char *
+gsk_sl_type_struct_get_name (GskSlType *type)
+{
+ GskSlTypeStruct *struc = (GskSlTypeStruct *) type;
+
+ return struc->name;
+}
+
+static GskSlScalarType
+gsk_sl_type_struct_get_scalar_type (GskSlType *type)
+{
+ return GSK_SL_VOID;
+}
+
+static GskSlType *
+gsk_sl_type_struct_get_index_type (GskSlType *type)
+{
+ return NULL;
+}
+
+static gsize
+gsk_sl_type_struct_get_index_stride (GskSlType *type)
+{
+ return 0;
+}
+
+static guint
+gsk_sl_type_struct_get_length (GskSlType *type)
+{
+ return 0;
+}
+
+static gsize
+gsk_sl_type_struct_get_size (GskSlType *type)
+{
+ GskSlTypeStruct *struc = (GskSlTypeStruct *) type;
+
+ return struc->size;
+}
+
+static gboolean
+gsk_sl_type_struct_can_convert (GskSlType *target,
+ GskSlType *source)
+{
+ return gsk_sl_type_equal (target, source);
+}
+
+static guint32
+gsk_sl_type_struct_write_spv (const GskSlType *type,
+ GskSpvWriter *writer)
+{
+ GskSlTypeStruct *struc = (GskSlTypeStruct *) type;
+ guint32 ids[struc->n_members + 1];
+ guint i;
+
+ ids[0] = gsk_spv_writer_next_id (writer);
+
+ for (i = 0; i < struc->n_members; i++)
+ {
+ ids[i + 1] = gsk_spv_writer_get_id_for_type (writer, struc->members[i].type);
+ }
+
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_DECLARE,
+ 2 + struc->n_members, GSK_SPV_OP_TYPE_STRUCT,
+ ids);
+
+ return ids[0];
+}
+
+static void
+gsk_sl_type_struct_print_value (const GskSlType *type,
+ GString *string,
+ gpointer value)
+{
+ GskSlTypeStruct *struc = (GskSlTypeStruct *) type;
+ guint i;
+
+ g_string_append (string, struc->name);
+ g_string_append (string, "(");
+
+ for (i = 0; i < struc->n_members; i++)
+ {
+ if (i > 0)
+ g_string_append (string, ", ");
+ gsk_sl_type_print_value (struc->members[i].type,
+ string,
+ (guchar *) value + struc->members[i].offset);
+ }
+
+ g_string_append (string, ")");
+}
+
+static guint32
+gsk_sl_type_struct_write_value_spv (GskSlType *type,
+ GskSpvWriter *writer,
+ gpointer value)
+{
+ GskSlTypeStruct *struc = (GskSlTypeStruct *) type;
+ guint32 ids[struc->n_members + 2];
+ GskSlType *vector_type;
+ GskSlValue *v;
+ guchar *data;
+ guint i;
+
+ data = value;
+ vector_type = gsk_sl_type_get_index_type (type);
+
+ ids[0] = gsk_spv_writer_get_id_for_type (writer, type);
+ for (i = 0; i < struc->n_members; i++)
+ {
+ v = gsk_sl_value_new_for_data (struc->members[i].type,
+ (guchar *) value + struc->members[i].offset,
+ NULL, NULL);
+ ids[2 + i] = gsk_spv_writer_get_id_for_value (writer, v);
+ gsk_sl_value_free (v);
+ data += gsk_sl_type_get_size (vector_type);
+ }
+
+ ids[1] = gsk_spv_writer_next_id (writer);
+
+ gsk_spv_writer_add (writer,
+ GSK_SPV_WRITER_SECTION_DECLARE,
+ 3 + struc->n_members,
+ GSK_SPV_OP_CONSTANT_COMPOSITE,
+ ids);
+
+ return ids[1];
+}
+
+static const GskSlTypeClass GSK_SL_TYPE_STRUCT = {
+ gsk_sl_type_struct_free,
+ gsk_sl_type_struct_get_name,
+ gsk_sl_type_struct_get_scalar_type,
+ gsk_sl_type_struct_get_index_type,
+ gsk_sl_type_struct_get_index_stride,
+ gsk_sl_type_struct_get_length,
+ gsk_sl_type_struct_get_size,
+ gsk_sl_type_struct_can_convert,
+ gsk_sl_type_struct_write_spv,
+ gsk_sl_type_struct_print_value,
+ gsk_sl_type_struct_write_value_spv
+};
+
+/* API */
+
+static GskSlType *
+gsk_sl_type_parse_struct (GskSlScope *scope,
+ GskSlPreprocessor *preproc)
+{
+ GskSlType *type;
+ const GskSlToken *token;
+ GskSlTypeBuilder *builder;
+ gboolean add_type = FALSE;
+
+ /* the struct token */
+ gsk_sl_preprocessor_consume (preproc, NULL);
+
+ token = gsk_sl_preprocessor_get (preproc);
+ if (gsk_sl_token_is (token, GSK_SL_TOKEN_IDENTIFIER))
+ {
+ if (gsk_sl_scope_is_global (scope))
+ {
+ add_type = TRUE;
+ builder = gsk_sl_type_builder_new_struct (token->str);
+ }
+ else
+ {
+ builder = gsk_sl_type_builder_new_struct (NULL);
+ }
+ gsk_sl_preprocessor_consume (preproc, NULL);
+ }
+ else
+ {
+ builder = gsk_sl_type_builder_new_struct (NULL);
+ }
+
+ token = gsk_sl_preprocessor_get (preproc);
+ if (!gsk_sl_token_is (token, GSK_SL_TOKEN_LEFT_BRACE))
+ {
+ gsk_sl_preprocessor_error (preproc, SYNTAX, "Expected opening \"{\" after struct declaration.");
+ goto out;
+ }
+ gsk_sl_preprocessor_consume (preproc, NULL);
+
+ for (token = gsk_sl_preprocessor_get (preproc);
+ !gsk_sl_token_is (token, GSK_SL_TOKEN_RIGHT_BRACE) && !gsk_sl_token_is (token, GSK_SL_TOKEN_EOF);
+ token = gsk_sl_preprocessor_get (preproc))
+ {
+ type = gsk_sl_type_new_parse (scope, preproc);
+
+ while (TRUE)
+ {
+ token = gsk_sl_preprocessor_get (preproc);
+ if (!gsk_sl_token_is (token, GSK_SL_TOKEN_IDENTIFIER))
+ {
+ gsk_sl_preprocessor_error (preproc, SYNTAX, "Expected identifier for type name.");
+ break;
+ }
+ if (gsk_sl_type_builder_has_member (builder, token->str))
+ gsk_sl_preprocessor_error (preproc, DECLARATION, "struct already has a member named \"%s\".",
token->str);
+ else
+ gsk_sl_type_builder_add_member (builder, type, token->str);
+ gsk_sl_preprocessor_consume (preproc, NULL);
+
+ token = gsk_sl_preprocessor_get (preproc);
+ if (!gsk_sl_token_is (token, GSK_SL_TOKEN_COMMA))
+ break;
+
+ gsk_sl_preprocessor_consume (preproc, NULL);
+ }
+ gsk_sl_type_unref (type);
+
+ if (!gsk_sl_token_is (token, GSK_SL_TOKEN_SEMICOLON))
+ gsk_sl_preprocessor_error (preproc, SYNTAX, "Expected semicolon after struct member declaration.");
+ else
+ gsk_sl_preprocessor_consume (preproc, NULL);
+ }
+
+ if (!gsk_sl_token_is (token, GSK_SL_TOKEN_RIGHT_BRACE))
+ gsk_sl_preprocessor_error (preproc, SYNTAX, "Expected closing \"}\" after struct declaration.");
+ else
+ gsk_sl_preprocessor_consume (preproc, NULL);
+
+out:
+ type = gsk_sl_type_builder_free (builder);
+ if (add_type)
+ {
+ if (gsk_sl_scope_lookup_type (scope, gsk_sl_type_get_name (type)))
+ gsk_sl_preprocessor_error (preproc, DECLARATION, "Redefinition of struct \"%s\".",
gsk_sl_type_get_name (type));
+ else if (gsk_sl_scope_lookup_function (scope, gsk_sl_type_get_name (type)))
+ gsk_sl_preprocessor_error (preproc, DECLARATION, "Constructor name \"%s\" would override function of
same name.", gsk_sl_type_get_name (type));
+ else
+ gsk_sl_scope_add_type (scope, type);
+ }
+ return type;
+}
+
GskSlType *
-gsk_sl_type_new_parse (GskSlPreprocessor *stream)
+gsk_sl_type_new_parse (GskSlScope *scope,
+ GskSlPreprocessor *preproc)
{
GskSlType *type;
const GskSlToken *token;
- token = gsk_sl_preprocessor_get (stream);
+ token = gsk_sl_preprocessor_get (preproc);
switch (token->type)
{
@@ -963,12 +1258,25 @@ gsk_sl_type_new_parse (GskSlPreprocessor *stream)
case GSK_SL_TOKEN_DMAT4X4:
type = gsk_sl_type_ref (gsk_sl_type_get_matrix (GSK_SL_DOUBLE, 4, 4));
break;
+ case GSK_SL_TOKEN_STRUCT:
+ return gsk_sl_type_parse_struct (scope, preproc);
+ case GSK_SL_TOKEN_IDENTIFIER:
+ {
+ type = gsk_sl_scope_lookup_type (scope, token->str);
+
+ if (type)
+ {
+ type = gsk_sl_type_ref (type);
+ break;
+ }
+ }
+ /* fall through */
default:
- gsk_sl_preprocessor_error (stream, SYNTAX, "Expected type specifier");
+ gsk_sl_preprocessor_error (preproc, SYNTAX, "Expected type specifier");
return gsk_sl_type_ref (gsk_sl_type_get_scalar (GSK_SL_FLOAT));
}
- gsk_sl_preprocessor_consume (stream, NULL);
+ gsk_sl_preprocessor_consume (preproc, NULL);
return type;
}
@@ -1132,6 +1440,12 @@ gsk_sl_type_is_matrix (const GskSlType *type)
return type->class == &GSK_SL_TYPE_MATRIX;
}
+gboolean
+gsk_sl_type_is_struct (const GskSlType *type)
+{
+ return type->class == &GSK_SL_TYPE_STRUCT;
+}
+
GskSlScalarType
gsk_sl_type_get_scalar_type (const GskSlType *type)
{
@@ -1236,3 +1550,90 @@ gsk_sl_type_write_value_spv (GskSlType *type,
{
return type->class->write_value_spv (type, writer, value);
}
+
+struct _GskSlTypeBuilder {
+ char *name;
+ gsize size;
+ GArray *members;
+};
+
+GskSlTypeBuilder *
+gsk_sl_type_builder_new_struct (const char *name)
+{
+ GskSlTypeBuilder *builder;
+
+ builder = g_slice_new0 (GskSlTypeBuilder);
+
+ builder->name = g_strdup (name);
+ builder->members = g_array_new (FALSE, FALSE, sizeof (GskSlTypeMember));
+
+ return builder;
+}
+
+static char *
+gsk_sl_type_builder_generate_name (GskSlTypeBuilder *builder)
+{
+ GString *string = g_string_new ("struct { ");
+ guint i;
+
+ for (i = 0; i < builder->members->len; i++)
+ {
+ GskSlTypeMember *m = &g_array_index (builder->members, GskSlTypeMember, i);
+ g_string_append (string, gsk_sl_type_get_name (m->type));
+ g_string_append (string, " ");
+ g_string_append (string, m->name);
+ g_string_append (string, "; ");
+ }
+ g_string_append (string, "}");
+
+ return g_string_free (string, FALSE);
+}
+
+GskSlType *
+gsk_sl_type_builder_free (GskSlTypeBuilder *builder)
+{
+ GskSlTypeStruct *result;
+
+ result = gsk_sl_type_new (GskSlTypeStruct, &GSK_SL_TYPE_STRUCT);
+
+ if (builder->name)
+ result->name = builder->name;
+ else
+ result->name = gsk_sl_type_builder_generate_name (builder);
+ result->size = builder->size;
+ result->n_members = builder->members->len;
+ result->members = (GskSlTypeMember *) g_array_free (builder->members, FALSE);
+
+ g_slice_free (GskSlTypeBuilder, builder);
+
+ return &result->parent;
+}
+
+void
+gsk_sl_type_builder_add_member (GskSlTypeBuilder *builder,
+ GskSlType *type,
+ const char *name)
+{
+ g_array_append_vals (builder->members,
+ &(GskSlTypeMember) {
+ gsk_sl_type_ref (type),
+ g_strdup (name),
+ builder->size }, 1);
+ builder->size += gsk_sl_type_get_size (type);
+}
+
+gboolean
+gsk_sl_type_builder_has_member (GskSlTypeBuilder *builder,
+ const char *name)
+{
+ guint i;
+
+ for (i = 0; i < builder->members->len; i++)
+ {
+ if (g_str_equal (g_array_index (builder->members, GskSlTypeMember, i).name, name))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
diff --git a/gsk/gsksltypeprivate.h b/gsk/gsksltypeprivate.h
index dcadc3b..7f3bfa4 100644
--- a/gsk/gsksltypeprivate.h
+++ b/gsk/gsksltypeprivate.h
@@ -34,7 +34,10 @@ typedef enum {
GSK_SL_BOOL
} GskSlScalarType;
-GskSlType * gsk_sl_type_new_parse (GskSlPreprocessor *stream);
+typedef struct _GskSlTypeBuilder GskSlTypeBuilder;
+
+GskSlType * gsk_sl_type_new_parse (GskSlScope *scope,
+ GskSlPreprocessor *preproc);
GskSlType * gsk_sl_type_get_scalar (GskSlScalarType scalar);
GskSlType * gsk_sl_type_get_vector (GskSlScalarType scalar,
guint length);
@@ -48,6 +51,7 @@ void gsk_sl_type_unref (GskSlType
gboolean gsk_sl_type_is_scalar (const GskSlType *type);
gboolean gsk_sl_type_is_vector (const GskSlType *type);
gboolean gsk_sl_type_is_matrix (const GskSlType *type);
+gboolean gsk_sl_type_is_struct (const GskSlType *type);
const char * gsk_sl_type_get_name (const GskSlType *type);
GskSlScalarType gsk_sl_type_get_scalar_type (const GskSlType *type);
@@ -78,6 +82,14 @@ void gsk_sl_scalar_type_convert_value (GskSlScalarType
GskSlScalarType source_type,
gconstpointer source_value);
+GskSlTypeBuilder * gsk_sl_type_builder_new_struct (const char *name);
+GskSlType * gsk_sl_type_builder_free (GskSlTypeBuilder *builder);
+void gsk_sl_type_builder_add_member (GskSlTypeBuilder *builder,
+ GskSlType *type,
+ const char *name);
+gboolean gsk_sl_type_builder_has_member (GskSlTypeBuilder *builder,
+ const char *name);
+
G_END_DECLS
#endif /* __GSK_SL_TYPE_PRIVATE_H__ */
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