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25 #ifndef GLSL_SYMBOL_TABLE
26 #define GLSL_SYMBOL_TABLE
30 #include "program/symbol_table.h"
33 class symbol_table_entry
;
37 * Facade class for _mesa_symbol_table
39 * Wraps the existing \c _mesa_symbol_table data structure to enforce some
40 * type safe and some symbol table invariants.
42 struct glsl_symbol_table
{
43 DECLARE_RALLOC_CXX_OPERATORS(glsl_symbol_table
)
48 /* In 1.10, functions and variables have separate namespaces. */
49 bool separate_function_namespace
;
55 * Determine whether a name was declared at the current scope
57 bool name_declared_this_scope(const char *name
);
60 * \name Methods to add symbols to the table
62 * There is some temptation to rename all these functions to \c add_symbol
63 * or similar. However, this breaks symmetry with the getter functions and
64 * reduces the clarity of the intention of code that uses these methods.
67 bool add_variable(ir_variable
*v
);
68 bool add_type(const char *name
, const glsl_type
*t
);
69 bool add_function(ir_function
*f
);
70 bool add_interface(const char *name
, const glsl_type
*i
,
71 enum ir_variable_mode mode
);
72 bool add_default_precision_qualifier(const char *type_name
, int precision
);
76 * Add an function at global scope without checking for scoping conflicts.
78 void add_global_function(ir_function
*f
);
81 * \name Methods to get symbols from the table
84 ir_variable
*get_variable(const char *name
);
85 const glsl_type
*get_type(const char *name
);
86 ir_function
*get_function(const char *name
);
87 const glsl_type
*get_interface(const char *name
,
88 enum ir_variable_mode mode
);
89 int get_default_precision_qualifier(const char *type_name
);
93 * Disable a previously-added variable so that it no longer appears to be
94 * in the symbol table. This is necessary when gl_PerVertex is redeclared,
95 * to ensure that previously-available built-in variables are no longer
98 void disable_variable(const char *name
);
101 * Replaces the variable in the entry by the new variable.
103 void replace_variable(const char *name
, ir_variable
*v
);
106 symbol_table_entry
*get_entry(const char *name
);
108 struct _mesa_symbol_table
*table
;
113 #endif /* GLSL_SYMBOL_TABLE */