/* slang_fixup_table */
-void slang_fixup_table_init (slang_fixup_table *fix)
+void
+slang_fixup_table_init(slang_fixup_table * fix)
{
- fix->table = NULL;
- fix->count = 0;
+ fix->table = NULL;
+ fix->count = 0;
}
-void slang_fixup_table_free (slang_fixup_table *fix)
+void
+slang_fixup_table_free(slang_fixup_table * fix)
{
- slang_alloc_free (fix->table);
- slang_fixup_table_init (fix);
+ slang_alloc_free(fix->table);
+ slang_fixup_table_init(fix);
}
/* slang_function */
-int slang_function_construct (slang_function *func)
+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_malloc (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;
- func->address = ~0;
- slang_fixup_table_init (&func->fixups);
- return 1;
+ func->kind = slang_func_ordinary;
+ if (!slang_variable_construct(&func->header))
+ return 0;
+
+ func->parameters = (slang_variable_scope *)
+ slang_alloc_malloc(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;
+ func->address = ~0;
+ slang_fixup_table_init(&func->fixups);
+ return 1;
}
-void slang_function_destruct (slang_function *func)
+void
+slang_function_destruct(slang_function * func)
{
- slang_variable_destruct (&func->header);
- slang_variable_scope_destruct (func->parameters);
- slang_alloc_free (func->parameters);
- if (func->body != NULL)
- {
- slang_operation_destruct (func->body);
- slang_alloc_free (func->body);
- }
- slang_fixup_table_free (&func->fixups);
+ slang_variable_destruct(&func->header);
+ slang_variable_scope_destruct(func->parameters);
+ slang_alloc_free(func->parameters);
+ if (func->body != NULL) {
+ slang_operation_destruct(func->body);
+ slang_alloc_free(func->body);
+ }
+ slang_fixup_table_free(&func->fixups);
}
/*
*/
GLvoid
-_slang_function_scope_ctr (slang_function_scope *self)
+_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)
+void
+slang_function_scope_destruct(slang_function_scope * scope)
{
- unsigned int i;
+ unsigned int i;
- for (i = 0; i < scope->num_functions; i++)
- slang_function_destruct (scope->functions + i);
- slang_alloc_free (scope->functions);
+ for (i = 0; i < scope->num_functions; i++)
+ slang_function_destruct(scope->functions + i);
+ slang_alloc_free(scope->functions);
}
-int slang_function_scope_find_by_name (slang_function_scope *funcs, slang_atom a_name, int all_scopes)
+
+/**
+ * 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;
+ 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;
}
-slang_function *slang_function_scope_find (slang_function_scope *funcs, slang_function *fun,
- int all_scopes)
+
+/**
+ * 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];
- unsigned int j;
-
- if (fun->header.a_name != f->header.a_name)
- continue;
- if (fun->param_count != f->param_count)
- continue;
- for (j = 0; 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)
- return f;
- }
- if (all_scopes && funcs->outer_scope != NULL)
- return slang_function_scope_find (funcs->outer_scope, fun, 1);
- return NULL;
+ unsigned int i;
+
+ for (i = 0; i < funcs->num_functions; i++) {
+ slang_function *f = &funcs->functions[i];
+ unsigned int j;
+
+ if (fun->header.a_name != f->header.a_name)
+ continue;
+ if (fun->param_count != f->param_count)
+ continue;
+ for (j = 0; 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)
+ return f;
+ }
+ if (all_scopes && funcs->outer_scope != NULL)
+ return slang_function_scope_find(funcs->outer_scope, fun, 1);
+ return NULL;
}
/*
*/
GLboolean
-_slang_build_export_code_table (slang_export_code_table *tbl, slang_function_scope *funs,
- slang_code_unit *unit)
+_slang_build_export_code_table(slang_export_code_table * tbl,
+ slang_function_scope * funs,
+ slang_code_unit * unit)
{
- slang_atom mainAtom;
- GLuint i;
-
- mainAtom = slang_atom_pool_atom (tbl->atoms, "main");
- if (mainAtom == SLANG_ATOM_NULL)
- return GL_FALSE;
-
- for (i = 0; i < funs->num_functions; i++)
- {
- if (funs->functions[i].header.a_name == mainAtom)
- {
- slang_function *fun = &funs->functions[i];
- slang_export_code_entry *e;
- slang_assemble_ctx A;
-
- e = slang_export_code_table_add (tbl);
- if (e == NULL)
- return GL_FALSE;
+ slang_atom mainAtom;
+ GLuint i;
+
+ mainAtom = slang_atom_pool_atom(tbl->atoms, "main");
+ if (mainAtom == SLANG_ATOM_NULL)
+ return GL_FALSE;
+
+ for (i = 0; i < funs->num_functions; i++) {
+ if (funs->functions[i].header.a_name == mainAtom) {
+ slang_function *fun = &funs->functions[i];
+ slang_export_code_entry *e;
+ slang_assemble_ctx A;
+
+ e = slang_export_code_table_add(tbl);
+ if (e == NULL)
+ return GL_FALSE;
e->address = unit->object->assembly.count;
- e->name = slang_atom_pool_atom (tbl->atoms, "@main");
- if (e->name == SLANG_ATOM_NULL)
- return GL_FALSE;
+ e->name = slang_atom_pool_atom(tbl->atoms, "@main");
+ if (e->name == SLANG_ATOM_NULL)
+ return GL_FALSE;
A.file = &unit->object->assembly;
A.mach = &unit->object->machine;
A.space.funcs = &unit->funs;
A.space.structs = &unit->structs;
A.space.vars = &unit->vars;
- slang_assembly_file_push_label (&unit->object->assembly, slang_asm_local_alloc, 20);
- slang_assembly_file_push_label (&unit->object->assembly, slang_asm_enter, 20);
- _slang_assemble_function_call (&A, fun, NULL, 0, GL_FALSE);
- slang_assembly_file_push (&unit->object->assembly, slang_asm_exit);
- }
- }
- return GL_TRUE;
+ slang_assembly_file_push_label(&unit->object->assembly,
+ slang_asm_local_alloc, 20);
+ slang_assembly_file_push_label(&unit->object->assembly,
+ slang_asm_enter, 20);
+ _slang_assemble_function_call(&A, fun, NULL, 0, GL_FALSE);
+ slang_assembly_file_push(&unit->object->assembly, slang_asm_exit);
+ }
+ }
+ return GL_TRUE;
}
-
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