diff options
Diffstat (limited to 'mesalib/src/mesa/shader/slang/slang_compile_function.c')
-rw-r--r-- | mesalib/src/mesa/shader/slang/slang_compile_function.c | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/mesalib/src/mesa/shader/slang/slang_compile_function.c b/mesalib/src/mesa/shader/slang/slang_compile_function.c deleted file mode 100644 index 4dd885176..000000000 --- a/mesalib/src/mesa/shader/slang/slang_compile_function.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5 - * - * Copyright (C) 2005-2006 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * \file slang_compile_function.c - * slang front-end compiler - * \author Michal Krol - */ - -#include "main/imports.h" -#include "slang_compile.h" -#include "slang_mem.h" - - -int -slang_function_construct(slang_function * func) -{ - func->kind = SLANG_FUNC_ORDINARY; - if (!slang_variable_construct(&func->header)) - return 0; - - func->parameters = (slang_variable_scope *) - _slang_alloc(sizeof(slang_variable_scope)); - if (func->parameters == NULL) { - slang_variable_destruct(&func->header); - return 0; - } - - _slang_variable_scope_ctr(func->parameters); - func->param_count = 0; - func->body = NULL; - return 1; -} - -void -slang_function_destruct(slang_function * func) -{ - slang_variable_destruct(&func->header); - slang_variable_scope_destruct(func->parameters); - _slang_free(func->parameters); - if (func->body != NULL) { - slang_operation_destruct(func->body); - _slang_free(func->body); - } -} - - -slang_function * -slang_function_new(slang_function_kind kind) -{ - slang_function *fun = (slang_function *) - _slang_alloc(sizeof(slang_function)); - if (fun) { - slang_function_construct(fun); - fun->kind = kind; - } - return fun; -} - - -/* - * slang_function_scope - */ - -GLvoid -_slang_function_scope_ctr(slang_function_scope * self) -{ - self->functions = NULL; - self->num_functions = 0; - self->outer_scope = NULL; -} - -void -slang_function_scope_destruct(slang_function_scope * scope) -{ - unsigned int i; - - for (i = 0; i < scope->num_functions; i++) - slang_function_destruct(scope->functions + i); - _slang_free(scope->functions); -} - - -/** - * Does this function have a non-void return value? - */ -GLboolean -_slang_function_has_return_value(const slang_function *fun) -{ - return fun->header.type.specifier.type != SLANG_SPEC_VOID; -} - - -/** - * Search a list of functions for a particular function by name. - * \param funcs the list of functions to search - * \param a_name the name to search for - * \param all_scopes if non-zero, search containing scopes too. - * \return pointer to found function, or NULL. - */ -int -slang_function_scope_find_by_name(slang_function_scope * funcs, - slang_atom a_name, int all_scopes) -{ - unsigned int i; - - for (i = 0; i < funcs->num_functions; i++) - if (a_name == funcs->functions[i].header.a_name) - return 1; - if (all_scopes && funcs->outer_scope != NULL) - return slang_function_scope_find_by_name(funcs->outer_scope, a_name, 1); - return 0; -} - - -/** - * Search a list of functions for a particular function (for implementing - * function calls. Matching is done by first comparing the function's name, - * then the function's parameter list. - * - * \param funcs the list of functions to search - * \param fun the function to search for - * \param all_scopes if non-zero, search containing scopes too. - * \return pointer to found function, or NULL. - */ -slang_function * -slang_function_scope_find(slang_function_scope * funcs, slang_function * fun, - int all_scopes) -{ - unsigned int i; - - for (i = 0; i < funcs->num_functions; i++) { - slang_function *f = &funcs->functions[i]; - const GLuint haveRetValue = 0; -#if 0 - = (f->header.type.specifier.type != SLANG_SPEC_VOID); -#endif - unsigned int j; - - /* - printf("Compare name %s to %s (ret %u, %d, %d)\n", - (char *) fun->header.a_name, (char *) f->header.a_name, - haveRetValue, - fun->param_count, f->param_count); - */ - - if (fun->header.a_name != f->header.a_name) - continue; - if (fun->param_count != f->param_count) - continue; - for (j = haveRetValue; j < fun->param_count; j++) { - if (!slang_type_specifier_equal - (&fun->parameters->variables[j]->type.specifier, - &f->parameters->variables[j]->type.specifier)) - break; - } - if (j == fun->param_count) { - /* - printf("Found match\n"); - */ - return f; - } - } - /* - printf("Not found\n"); - */ - if (all_scopes && funcs->outer_scope != NULL) - return slang_function_scope_find(funcs->outer_scope, fun, 1); - return NULL; -} - - -/** - * Lookup a function according to name and parameter count/types. - */ -slang_function * -_slang_function_locate(const slang_function_scope * funcs, slang_atom a_name, - slang_operation * args, GLuint num_args, - const slang_name_space * space, slang_atom_pool * atoms, - slang_info_log *log, GLboolean *error) -{ - slang_typeinfo arg_ti[100]; - GLuint i; - - *error = GL_FALSE; - - /* determine type of each argument */ - assert(num_args < 100); - for (i = 0; i < num_args; i++) { - if (!slang_typeinfo_construct(&arg_ti[i])) - return NULL; - if (!_slang_typeof_operation(&args[i], space, &arg_ti[i], atoms, log)) { - return NULL; - } - } - - /* loop over function scopes */ - while (funcs) { - - /* look for function with matching name and argument/param types */ - for (i = 0; i < funcs->num_functions; i++) { - slang_function *f = &funcs->functions[i]; - const GLuint haveRetValue = _slang_function_has_return_value(f); - GLuint j; - - if (a_name != f->header.a_name) - continue; - if (f->param_count - haveRetValue != num_args) - continue; - - /* compare parameter / argument types */ - for (j = 0; j < num_args; j++) { - if (!slang_type_specifier_compatible(&arg_ti[j].spec, - &f->parameters->variables[j]->type.specifier)) { - /* param/arg types don't match */ - break; - } - - /* "out" and "inout" formal parameter requires the actual - * argument to be an l-value. - */ - if (!arg_ti[j].can_be_referenced && - (f->parameters->variables[j]->type.qualifier == SLANG_QUAL_OUT || - f->parameters->variables[j]->type.qualifier == SLANG_QUAL_INOUT)) { - /* param is not an lvalue! */ - *error = GL_TRUE; - return NULL; - } - } - - if (j == num_args) { - /* name and args match! */ - return f; - } - } - - funcs = funcs->outer_scope; - } - - return NULL; -} |