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26 #ifndef GLSL_SYMBOL_TABLE
27 #define GLSL_SYMBOL_TABLE
32 #include "program/symbol_table.h"
35 #include "glsl_types.h"
37 class symbol_table_entry
;
40 * Facade class for _mesa_symbol_table
42 * Wraps the existing \c _mesa_symbol_table data structure to enforce some
43 * type safe and some symbol table invariants.
45 struct glsl_symbol_table
{
48 _glsl_symbol_table_destructor (glsl_symbol_table
*table
)
50 table
->~glsl_symbol_table();
56 /* Callers of this talloc-based new need not call delete. It's
57 * easier to just talloc_free 'ctx' (or any of its ancestors). */
58 static void* operator new(size_t size
, void *ctx
)
62 table
= talloc_size(ctx
, size
);
63 assert(table
!= NULL
);
65 talloc_set_destructor(table
, (int (*)(void*)) _glsl_symbol_table_destructor
);
70 /* If the user *does* call delete, that's OK, we will just
71 * talloc_free in that case. Here, C++ will have already called the
72 * destructor so tell talloc not to do that again. */
73 static void operator delete(void *table
)
75 talloc_set_destructor(table
, NULL
);
82 unsigned int language_version
;
88 * Determine whether a name was declared at the current scope
90 bool name_declared_this_scope(const char *name
);
93 * \name Methods to add symbols to the table
95 * There is some temptation to rename all these functions to \c add_symbol
96 * or similar. However, this breaks symmetry with the getter functions and
97 * reduces the clarity of the intention of code that uses these methods.
100 bool add_variable(ir_variable
*v
);
101 bool add_type(const char *name
, const glsl_type
*t
);
102 bool add_function(ir_function
*f
);
106 * Add an function at global scope without checking for scoping conflicts.
108 void add_global_function(ir_function
*f
);
111 * \name Methods to get symbols from the table
114 ir_variable
*get_variable(const char *name
);
115 const glsl_type
*get_type(const char *name
);
116 ir_function
*get_function(const char *name
);
120 symbol_table_entry
*get_entry(const char *name
);
122 struct _mesa_symbol_table
*table
;
126 #endif /* GLSL_SYMBOL_TABLE */