subexpressions[0] = NULL;
subexpressions[1] = NULL;
subexpressions[2] = NULL;
- primary_expression.identifier = (char *) identifier;
+ primary_expression.identifier = identifier;
+ this->non_lvalue_description = NULL;
}
static const char *operator_string(enum ast_operators op);
ast_expression *subexpressions[3];
union {
- char *identifier;
+ const char *identifier;
int int_constant;
float float_constant;
unsigned uint_constant;
* \c ast_function_call
*/
exec_list expressions;
+
+ /**
+ * For things that can't be l-values, this describes what it is.
+ *
+ * This text is used by the code that generates IR for assignments to
+ * detect and emit useful messages for assignments to some things that
+ * can't be l-values. For example, pre- or post-incerement expressions.
+ *
+ * \note
+ * This pointer may be \c NULL.
+ */
+ const char *non_lvalue_description;
};
class ast_expression_bin : public ast_expression {
class ast_declaration : public ast_node {
public:
- ast_declaration(char *identifier, int is_array, ast_expression *array_size,
+ ast_declaration(const char *identifier, int is_array, ast_expression *array_size,
ast_expression *initializer);
virtual void print(void) const;
- char *identifier;
+ const char *identifier;
int is_array;
ast_expression *array_size;
* qualifier is used.
*/
unsigned explicit_location:1;
+ /**
+ * Flag set if GL_ARB_explicit_attrib_location "index" layout
+ * qualifier is used.
+ */
+ unsigned explicit_index:1;
/** \name Layout qualifiers for GL_AMD_conservative_depth */
/** \{ */
unsigned depth_less:1;
unsigned depth_unchanged:1;
/** \} */
+
+ /** \name Layout qualifiers for GL_ARB_uniform_buffer_object */
+ /** \{ */
+ unsigned std140:1;
+ unsigned shared:1;
+ unsigned packed:1;
+ unsigned column_major:1;
+ unsigned row_major:1;
+ /** \} */
}
/** \brief Set of flags, accessed by name. */
q;
* \note
* This field is only valid if \c explicit_location is set.
*/
- unsigned location;
+ int location;
+ /**
+ * Index specified via GL_ARB_explicit_attrib_location layout
+ *
+ * \note
+ * This field is only valid if \c explicit_index is set.
+ */
+ int index;
/**
* Return true if and only if an interpolation qualifier is present.
const char *interpolation_string() const;
};
+class ast_declarator_list;
+
class ast_struct_specifier : public ast_node {
public:
- ast_struct_specifier(char *identifier, ast_node *declarator_list);
+ ast_struct_specifier(const char *identifier,
+ ast_declarator_list *declarator_list);
virtual void print(void) const;
virtual ir_rvalue *hir(exec_list *instructions,
struct _mesa_glsl_parse_state *state);
- char *name;
+ const char *name;
+ /* List of ast_declarator_list * */
exec_list declarations;
};
-enum ast_types {
- ast_void,
- ast_float,
- ast_int,
- ast_uint,
- ast_bool,
- ast_vec2,
- ast_vec3,
- ast_vec4,
- ast_bvec2,
- ast_bvec3,
- ast_bvec4,
- ast_ivec2,
- ast_ivec3,
- ast_ivec4,
- ast_uvec2,
- ast_uvec3,
- ast_uvec4,
- ast_mat2,
- ast_mat2x3,
- ast_mat2x4,
- ast_mat3x2,
- ast_mat3,
- ast_mat3x4,
- ast_mat4x2,
- ast_mat4x3,
- ast_mat4,
- ast_sampler1d,
- ast_sampler2d,
- ast_sampler2drect,
- ast_sampler3d,
- ast_samplercube,
- ast_sampler1dshadow,
- ast_sampler2dshadow,
- ast_sampler2drectshadow,
- ast_samplercubeshadow,
- ast_sampler1darray,
- ast_sampler2darray,
- ast_sampler1darrayshadow,
- ast_sampler2darrayshadow,
- ast_isampler1d,
- ast_isampler2d,
- ast_isampler3d,
- ast_isamplercube,
- ast_isampler1darray,
- ast_isampler2darray,
- ast_usampler1d,
- ast_usampler2d,
- ast_usampler3d,
- ast_usamplercube,
- ast_usampler1darray,
- ast_usampler2darray,
-
- ast_struct,
- ast_type_name
-};
-
class ast_type_specifier : public ast_node {
public:
- ast_type_specifier(int specifier);
-
/** Construct a type specifier from a type name */
ast_type_specifier(const char *name)
- : type_specifier(ast_type_name), type_name(name), structure(NULL),
+ : type_name(name), structure(NULL),
is_array(false), array_size(NULL), precision(ast_precision_none),
is_precision_statement(false)
{
/** Construct a type specifier from a structure definition */
ast_type_specifier(ast_struct_specifier *s)
- : type_specifier(ast_struct), type_name(s->name), structure(s),
+ : type_name(s->name), structure(s),
is_array(false), array_size(NULL), precision(ast_precision_none),
is_precision_statement(false)
{
ir_rvalue *hir(exec_list *, struct _mesa_glsl_parse_state *);
- enum ast_types type_specifier;
-
const char *type_name;
ast_struct_specifier *structure;
struct _mesa_glsl_parse_state *state);
ast_fully_specified_type *type;
- char *identifier;
+ const char *identifier;
int is_array;
ast_expression *array_size;
struct _mesa_glsl_parse_state *state);
ast_fully_specified_type *return_type;
- char *identifier;
+ const char *identifier;
exec_list parameters;
class ast_case_label : public ast_node {
public:
+ ast_case_label(ast_expression *test_value);
+ virtual void print(void) const;
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
+ /**
+ * An test value of NULL means 'default'.
+ */
+ ast_expression *test_value;
+};
+
+
+class ast_case_label_list : public ast_node {
+public:
+ ast_case_label_list(void);
+ virtual void print(void) const;
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
/**
- * An expression of NULL means 'default'.
+ * A list of case labels.
*/
- ast_expression *expression;
+ exec_list labels;
+};
+
+
+class ast_case_statement : public ast_node {
+public:
+ ast_case_statement(ast_case_label_list *labels);
+ virtual void print(void) const;
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
+ ast_case_label_list *labels;
+
+ /**
+ * A list of statements.
+ */
+ exec_list stmts;
+};
+
+
+class ast_case_statement_list : public ast_node {
+public:
+ ast_case_statement_list(void);
+ virtual void print(void) const;
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
+ /**
+ * A list of cases.
+ */
+ exec_list cases;
+};
+
+
+class ast_switch_body : public ast_node {
+public:
+ ast_switch_body(ast_case_statement_list *stmts);
+ virtual void print(void) const;
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
+ ast_case_statement_list *stmts;
};
+
class ast_selection_statement : public ast_node {
public:
ast_selection_statement(ast_expression *condition,
class ast_switch_statement : public ast_node {
public:
- ast_expression *expression;
- exec_list statements;
+ ast_switch_statement(ast_expression *test_expression,
+ ast_node *body);
+ virtual void print(void) const;
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
+ ast_expression *test_expression;
+ ast_node *body;
+
+protected:
+ void test_to_hir(exec_list *, struct _mesa_glsl_parse_state *);
};
class ast_iteration_statement : public ast_node {
ast_function *prototype;
ast_compound_statement *body;
};
+
+class ast_uniform_block : public ast_node {
+public:
+ ast_uniform_block(ast_type_qualifier layout,
+ const char *block_name,
+ ast_declarator_list *member_list)
+ : layout(layout), block_name(block_name)
+ {
+ declarations.push_degenerate_list_at_head(&member_list->link);
+ }
+
+ virtual ir_rvalue *hir(exec_list *instructions,
+ struct _mesa_glsl_parse_state *state);
+
+ ast_type_qualifier layout;
+ const char *block_name;
+ /** List of ast_declarator_list * */
+ exec_list declarations;
+};
/*@}*/
extern void
struct _mesa_glsl_parse_state *state);
void
-emit_function(_mesa_glsl_parse_state *state, exec_list *instructions,
- ir_function *f);
+emit_function(_mesa_glsl_parse_state *state, ir_function *f);
#endif /* AST_H */
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