From 539aaad6a39e28b20bc4ce12a6e5ca5c7f6a6541 Mon Sep 17 00:00:00 2001
From: Timothy Arceri <tarceri@itsqueeze.com>
Date: Mon, 24 Jun 2024 10:39:14 +1000
Subject: [PATCH] glsl: remove unused symbol table functionality
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Added in a8f52647b045 and c17c7903871b but not used since b04ef3c08a28
over 10 years ago.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29868>
---
 src/compiler/glsl/glsl_symbol_table.cpp |  8 ----
 src/compiler/glsl/glsl_symbol_table.h   |  5 ---
 src/mesa/program/symbol_table.c         | 54 -------------------------
 src/mesa/program/symbol_table.h         |  5 ---
 4 files changed, 72 deletions(-)

diff --git a/src/compiler/glsl/glsl_symbol_table.cpp b/src/compiler/glsl/glsl_symbol_table.cpp
index eebc244bb25..1325a274007 100644
--- a/src/compiler/glsl/glsl_symbol_table.cpp
+++ b/src/compiler/glsl/glsl_symbol_table.cpp
@@ -220,14 +220,6 @@ bool glsl_symbol_table::add_default_precision_qualifier(const char *type_name,
    return _mesa_symbol_table_replace_symbol(table, name, entry) == 0;
 }
 
-void glsl_symbol_table::add_global_function(ir_function *f)
-{
-   symbol_table_entry *entry = new(linalloc) symbol_table_entry(f);
-   int added = _mesa_symbol_table_add_global_symbol(table, f->name, entry);
-   assert(added == 0);
-   (void)added;
-}
-
 ir_variable *glsl_symbol_table::get_variable(const char *name)
 {
    symbol_table_entry *entry = get_entry(name);
diff --git a/src/compiler/glsl/glsl_symbol_table.h b/src/compiler/glsl/glsl_symbol_table.h
index 4f19d415dbf..37cc8319ba0 100644
--- a/src/compiler/glsl/glsl_symbol_table.h
+++ b/src/compiler/glsl/glsl_symbol_table.h
@@ -72,11 +72,6 @@ struct glsl_symbol_table {
    bool add_default_precision_qualifier(const char *type_name, int precision);
    /*@}*/
 
-   /**
-    * Add an function at global scope without checking for scoping conflicts.
-    */
-   void add_global_function(ir_function *f);
-
    /**
     * \name Methods to get symbols from the table
     */
diff --git a/src/mesa/program/symbol_table.c b/src/mesa/program/symbol_table.c
index 834baf86b8d..3f34aa14740 100644
--- a/src/mesa/program/symbol_table.c
+++ b/src/mesa/program/symbol_table.c
@@ -226,60 +226,6 @@ _mesa_symbol_table_replace_symbol(struct _mesa_symbol_table *table,
     return 0;
 }
 
-int
-_mesa_symbol_table_add_global_symbol(struct _mesa_symbol_table *table,
-                                     const char *name, void *declaration)
-{
-   struct scope_level *top_scope;
-   struct symbol *inner_sym = NULL;
-   struct symbol *sym = find_symbol(table, name);
-
-   while (sym) {
-      if (sym->depth == 0)
-         return -1;
-
-      inner_sym = sym;
-
-      /* Get symbol from the outer scope with the same name */
-      sym = sym->next_with_same_name;
-   }
-
-   /* Find the top-level scope */
-   for (top_scope = table->current_scope; top_scope->next != NULL;
-        top_scope = top_scope->next) {
-      /* empty */
-   }
-
-   sym = calloc(1, sizeof(*sym) + (inner_sym ? 0 : strlen(name) + 1));
-   if (sym == NULL) {
-      _mesa_error_no_memory(__func__);
-      return -1;
-   }
-
-   if (inner_sym) {
-      /* In case we add the global out of order store a link to the global
-       * symbol in global.
-       */
-      inner_sym->next_with_same_name = sym;
-
-      sym->name = inner_sym->name;
-   } else {
-      sym->name = (char *)(sym + 1);
-      strcpy(sym->name, name);
-   }
-
-   sym->next_with_same_scope = top_scope->symbols;
-   sym->data = declaration;
-
-   top_scope->symbols = sym;
-
-   _mesa_hash_table_insert(table->ht, sym->name, sym);
-
-   return 0;
-}
-
-
-
 struct _mesa_symbol_table *
 _mesa_symbol_table_ctor(void)
 {
diff --git a/src/mesa/program/symbol_table.h b/src/mesa/program/symbol_table.h
index 6db2164fc21..6ea5e83dd3f 100644
--- a/src/mesa/program/symbol_table.h
+++ b/src/mesa/program/symbol_table.h
@@ -40,11 +40,6 @@ extern int _mesa_symbol_table_replace_symbol(struct _mesa_symbol_table *table,
                                              const char *name,
                                              void *declaration);
 
-extern int
-_mesa_symbol_table_add_global_symbol(struct _mesa_symbol_table *symtab,
-                                     const char *name,
-                                     void *declaration);
-
 extern int _mesa_symbol_table_symbol_scope(struct _mesa_symbol_table *table,
                                            const char *name);