--- a/search_utils/search_utils.cc Mon Jun 01 21:08:44 2009 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,289 +0,0 @@
-/*
- * (c) 2009 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)
- *
- */
-
-
-/*
- * This is the main stage 3a file.
- *
- * In stage 3a some helpful symbol tables are instanciated and populated.
- * These symbol tables wll then be used by stage3b and atage4 code generators.
- */
-
-
-
-
-
-
-// #include <stdio.h> /* required for NULL */
-#include <string>
-#include <iostream>
-#include <sstream>
-#include <typeinfo>
-#include <list>
-#include <strings.h>
-
-#include "../util/symtable.hh"
-#include "../util/dsymtable.hh"
-#include "../absyntax/visitor.hh"
-
-
-
-//#define DEBUG
-#ifdef DEBUG
-#define TRACE(classname) printf("\n____%s____\n",classname);
-#else
-#define TRACE(classname)
-#endif
-
-#define ERROR error_exit(__FILE__,__LINE__)
-/* function defined in main.cc */
-extern void error_exit(const char *file_name, int line_no);
-
-
-
-
-
-/* A symbol table with all globally declared functions... */
-function_declaration_c null_symbol1(NULL,NULL,NULL,NULL);
-dsymtable_c<function_declaration_c *, &null_symbol1> function_symtable;
-
-/* A symbol table with all globally declared functions block types... */
-function_block_declaration_c null_symbol2(NULL,NULL,NULL);
-symtable_c<function_block_declaration_c *, &null_symbol2> function_block_type_symtable;
-
-/* A symbol table with all globally declared program types... */
-program_declaration_c null_symbol3(NULL,NULL,NULL);
-symtable_c<program_declaration_c *, &null_symbol3> program_type_symtable;
-
-/* A symbol table with all user declared type definitions... */
-/* Note that function block types and program types have their
- * own symbol tables, so do not get placed in this symbol table!
- */
-symbol_c null_symbol4;
-symtable_c<symbol_c *, &null_symbol4> type_symtable;
-
-
-
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-
-/*
-#include "spec_init_separator.cc"
-#include "function_param_iterator.cc"
-#include "function_call_iterator.cc"
-#include "function_call_param_iterator.cc"
-#include "type_initial_value.cc"
-#include "search_fb_instance_decl.cc"
-#include "search_fb_typedecl.cc"
-#include "search_base_type.cc"
-#include "search_var_instance_decl.cc"
-#include "decompose_var_instance_name.cc"
-#include "search_varfb_instance_type.cc"
-#include "search_constant_type.cc"
-#include "search_expression_type.cc"
-
-#include "generate_c_base.cc"
-#include "generate_c_typedecl.cc"
-#include "generate_c_sfcdecl.cc"
-#include "generate_c_vardecl.cc"
-#include "generate_c_configbody.cc"
-#include "generate_location_list.cc"
-#include "generate_var_list.cc"
-*/
-
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-/***********************************************************************/
-
-
-class populate_symtables_c: public iterator_visitor_c {
-
- public:
- populate_symtables_c(void) {};
- virtual ~populate_symtables_c(void) {}
-
-
- public:
-
-/*************************/
-/* B.1 - Common elements */
-/*************************/
-/*******************************************/
-/* B 1.1 - Letters, digits and identifiers */
-/*******************************************/
-/*********************/
-/* B 1.2 - Constants */
-/*********************/
-/******************************/
-/* B 1.2.1 - Numeric Literals */
-/******************************/
-/*******************************/
-/* B.1.2.2 Character Strings */
-/*******************************/
-/***************************/
-/* B 1.2.3 - Time Literals */
-/***************************/
-/************************/
-/* B 1.2.3.1 - Duration */
-/************************/
-/************************************/
-/* B 1.2.3.2 - Time of day and Date */
-/************************************/
-/**********************/
-/* B.1.3 - Data types */
-/**********************/
-/***********************************/
-/* B 1.3.1 - Elementary Data Types */
-/***********************************/
-/********************************/
-/* B.1.3.2 - Generic data types */
-/********************************/
-/********************************/
-/* B 1.3.3 - Derived data types */
-/********************************/
-
-/* subrange_type_name ':' subrange_spec_init */
-void *visit(subrange_type_declaration_c *symbol) {
- TRACE("subrange_type_declaration_c");
- type_symtable.insert(symbol->subrange_type_name, symbol->subrange_spec_init);
- return NULL;
-}
-
-
-/* enumerated_type_name ':' enumerated_spec_init */
-void *visit(enumerated_type_declaration_c *symbol) {
- TRACE("enumerated_type_declaration_c");
- type_symtable.insert(symbol->enumerated_type_name, symbol->enumerated_spec_init);
- return NULL;
-}
-
-
-/* identifier ':' array_spec_init */
-void *visit(array_type_declaration_c *symbol) {
- TRACE("array_type_declaration_c");
- type_symtable.insert(symbol->identifier, symbol->array_spec_init);
- return NULL;
-}
-
-
-/* simple_type_name ':' simple_spec_init */
-void *visit(simple_type_declaration_c *symbol) {
- TRACE("simple_type_declaration_c");
- type_symtable.insert(symbol->simple_type_name, symbol->simple_spec_init);
- return NULL;
-}
-
-
-/* structure_type_name ':' structure_specification */
-void *visit(structure_type_declaration_c *symbol) {
- TRACE("structure_type_declaration_c");
- type_symtable.insert(symbol->structure_type_name, symbol->structure_specification);
- return NULL;
-}
-
-
-
-/*********************/
-/* B 1.4 - Variables */
-/*********************/
-/********************************************/
-/* B.1.4.1 Directly Represented Variables */
-/********************************************/
-/*************************************/
-/* B.1.4.2 Multi-element Variables */
-/*************************************/
-/******************************************/
-/* B 1.4.3 - Declaration & Initialisation */
-/******************************************/
-/**************************************/
-/* B.1.5 - Program organization units */
-/**************************************/
-/***********************/
-/* B 1.5.1 - Functions */
-/***********************/
-public:
-/* FUNCTION derived_function_name ':' elementary_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
-/* | FUNCTION derived_function_name ':' derived_type_name io_OR_function_var_declarations_list function_body END_FUNCTION */
-void *visit(function_declaration_c *symbol) {
- TRACE("function_declaration_c");
- function_symtable.insert(symbol->derived_function_name, symbol);
-
- /* symbol->derived_function_name->accept(*this); */ /* Function name */
- /* symbol->type_name->accept(*this); */ /* return data type */
- /* symbol->var_declarations_list->accept(*this); */ /* Function parameters and variables */
- /* symbol->function_body->accept(*this); */ /* Function body */
- return NULL;
-}
-
-
-/*****************************/
-/* B 1.5.2 - Function Blocks */
-/*****************************/
-public:
-/* FUNCTION_BLOCK derived_function_block_name io_OR_other_var_declarations function_block_body END_FUNCTION_BLOCK */
-//SYM_REF4(function_block_declaration_c, fblock_name, var_declarations, fblock_body, unused)
-void *visit(function_block_declaration_c *symbol) {
- TRACE("function_block_declaration_c");
- function_block_type_symtable.insert(symbol->fblock_name, symbol);
-/*
- symbol->fblock_name->accept(*this);
- symbol->var_declarations->accept(*this);
- symbol->fblock_body->accept(*this);
-*/
- return NULL;
-}
-
-
-/**********************/
-/* B 1.5.3 - Programs */
-/**********************/
-public:
-/* PROGRAM program_type_name program_var_declarations_list function_block_body END_PROGRAM */
-//SYM_REF4(program_declaration_c, program_type_name, var_declarations, function_block_body, unused)
-void *visit(program_declaration_c *symbol) {
- TRACE("program_declaration_c");
- program_type_symtable.insert(symbol->program_type_name, symbol);
-/*
- symbol->program_type_name->accept(*this);
- symbol->var_declarations->accept(*this);
- symbol->function_block_body->accept(*this);
-*/
- return NULL;
-}
-
-}; /* populate_symtables_c */
-
-
-
-
-
-void search_utils_init(symbol_c *tree_root) {
- populate_symtables_c populate_symbols;
-
- tree_root->accept(populate_symbols);
-}