--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stage4/generate_c/generate_c_configbody.cc	Wed Oct 24 17:39:51 2007 +0200
@@ -0,0 +1,211 @@
+/*
+ * (c) 2003 Mario de Sousa
+ *
+ * Offered to the public under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * This code is made available on the understanding that it will not be
+ * used in safety-critical situations without a full and competent review.
+ */
+
+/*
+ * An IEC 61131-3 IL and ST compiler.
+ *
+ * Based on the
+ * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10)
+ *
+ */
+
+
+/*
+ * Build the body of the main function (currently named run() )
+ * of the class onto which is mapped a specific CONFIGURATION.
+ *
+ * This is part of the 4th stage that generates
+ * a c++ source program equivalent to the IL and ST
+ * code.
+ */
+
+
+
+
+
+
+// #include <stdio.h>  /* required for NULL */
+/*
+#include <string>
+#include <iostream>
+
+#include "../../util/symtable.hh"
+
+#include "../stage4.hh"
+*/
+
+
+
+
+
+class generate_c_configbody_c: public generate_c_base_c {
+
+  public:
+    generate_c_configbody_c(stage4out_c *s4o_ptr)
+    : generate_c_base_c(s4o_ptr) {
+      current_resource_name = NULL;
+    }
+
+    virtual ~generate_c_configbody_c(void) {}
+
+
+  private:
+    /* The name of the resource curretnly being processed... */
+    symbol_c *current_resource_name;
+
+
+/********************************/
+/* B 1.7 Configuration elements */
+/********************************/
+
+
+public:
+/*
+CONFIGURATION configuration_name
+   optional_global_var_declarations
+   (resource_declaration_list | single_resource_declaration)
+   optional_access_declarations
+   optional_instance_specific_initializations
+END_CONFIGURATION
+*/
+/*
+SYM_REF6(configuration_declaration_c, configuration_name, global_var_declarations, resource_declarations, access_declarations, instance_specific_initializations, unused)
+*/
+void *visit(configuration_declaration_c *symbol) {
+  TRACE("configuration_declaration_c");
+
+  symbol->resource_declarations->accept(*this);
+  return NULL;
+}
+
+
+
+/* helper symbol for configuration_declaration */
+// SYM_LIST(resource_declaration_list_c)
+void *visit(resource_declaration_list_c *symbol) {
+  TRACE("resource_declaration_list_c");
+
+  return print_list(symbol);
+}
+
+/*
+RESOURCE resource_name ON resource_type_name
+   optional_global_var_declarations
+   single_resource_declaration
+END_RESOURCE
+*/
+// SYM_REF4(resource_declaration_c, resource_name, resource_type_name, global_var_declarations, resource_declaration)
+void *visit(resource_declaration_c *symbol) {
+  TRACE("resource_declaration_c");
+
+  current_resource_name = symbol->resource_name;
+  symbol->resource_declaration->accept(*this);
+  current_resource_name = NULL;
+  return NULL;
+}
+
+
+
+/* task_configuration_list program_configuration_list */
+// SYM_REF2(single_resource_declaration_c, task_configuration_list, program_configuration_list)
+void *visit(single_resource_declaration_c *symbol) {
+  TRACE("single_resource_declaration_c");
+
+  symbol->program_configuration_list->accept(*this);
+  return NULL;
+}
+
+
+
+/* helper symbol for single_resource_declaration */
+//SYM_LIST(task_configuration_list_c)
+
+
+/* helper symbol for single_resource_declaration */
+//SYM_LIST(program_configuration_list_c)
+void *visit(program_configuration_list_c *symbol) {
+  TRACE("program_configuration_list_c");
+
+  return print_list(symbol);
+}
+
+
+/* helper symbol for
+ *  - access_path
+ *  - instance_specific_init
+ */
+//SYM_LIST(any_fb_name_list_c)
+
+/*  [resource_name '.'] global_var_name ['.' structure_element_name] */
+//SYM_REF4(global_var_reference_c, resource_name, global_var_name, structure_element_name, unused)
+
+/*  prev_declared_program_name '.' symbolic_variable */
+//SYM_REF2(program_output_reference_c, program_name, symbolic_variable)
+
+/*  TASK task_name task_initialization */
+//SYM_REF2(task_configuration_c, task_name, task_initialization)
+
+/*  '(' [SINGLE ASSIGN data_source ','] [INTERVAL ASSIGN data_source ','] PRIORITY ASSIGN integer ')' */
+//SYM_REF4(task_initialization_c, single_data_source, interval_data_source, priority_data_source, unused)
+
+/*  PROGRAM [RETAIN | NON_RETAIN] program_name [WITH task_name] ':' program_type_name ['(' prog_conf_elements ')'] */
+//SYM_REF6(program_configuration_c, retain_option, program_name, task_name, program_type_name, prog_conf_elements, unused)
+void *visit(program_configuration_c *symbol) {
+  TRACE("program_configuration_c");
+
+  s4o.print(s4o.indent_spaces);
+  if (NULL != current_resource_name) {
+    current_resource_name->accept(*this);
+    s4o.print(".");
+  }
+  symbol->program_name->accept(*this);
+  s4o.print(".f();\n");
+  return NULL;
+}
+
+/* prog_conf_elements ',' prog_conf_element */
+//SYM_LIST(prog_conf_elements_c)
+
+/*  fb_name WITH task_name */
+//SYM_REF2(fb_task_c, fb_name, task_name)
+// TODO...
+
+/*  any_symbolic_variable ASSIGN prog_data_source */
+//SYM_REF2(prog_cnxn_assign_c, symbolic_variable, prog_data_source)
+
+/* any_symbolic_variable SENDTO data_sink */
+//SYM_REF2(prog_cnxn_sendto_c, symbolic_variable, prog_data_source)
+
+/* VAR_CONFIG instance_specific_init_list END_VAR */
+//SYM_REF2(instance_specific_initializations_c, instance_specific_init_list, unused)
+
+/* helper symbol for instance_specific_initializations */
+//SYM_LIST(instance_specific_init_list_c)
+
+/* resource_name '.' program_name '.' {fb_name '.'}
+    ((variable_name [location] ':' located_var_spec_init) | (fb_name ':' fb_initialization))
+*/
+//SYM_REF6(instance_specific_init_c, resource_name, program_name, any_fb_name_list, variable_name, location, initialization)
+
+/* helper symbol for instance_specific_init */
+/* function_block_type_name ':=' structure_initialization */
+//SYM_REF2(fb_initialization_c, function_block_type_name, structure_initialization)
+
+
+
+}; /* generate_c_configbody_c */
+
+