--- a/stage4/generate_c/generate_c_typedecl.cc Sat Nov 17 10:08:38 2007 +0100
+++ b/stage4/generate_c/generate_c_typedecl.cc Thu Dec 06 18:01:58 2007 +0100
@@ -48,10 +48,46 @@
class generate_c_typedecl_c: public generate_c_base_c {
+ private:
+ symbol_c* current_type_name;
+ search_base_type_c search_base_type;
+
public:
- generate_c_typedecl_c(stage4out_c *s4o_ptr): generate_c_base_c(s4o_ptr) {}
+ generate_c_typedecl_c(stage4out_c *s4o_ptr): generate_c_base_c(s4o_ptr) {
+ current_typedefinition = none_td;
+ current_basetypedeclaration = none_bd;
+ }
~generate_c_typedecl_c(void) {}
+ typedef enum {
+ none_td,
+ subrange_td,
+ array_td
+ } typedefinition_t;
+
+ typedefinition_t current_typedefinition;
+
+ typedef enum {
+ none_bd,
+ subrangebasetype_bd,
+ subrangebasetypeexploration_bd,
+ subrangetest_bd,
+ arraybasetype_bd,
+ arraysubrange_bd,
+ arraytranslateindex_bd
+ } basetypedeclaration_t;
+
+ basetypedeclaration_t current_basetypedeclaration;
+
+ int extract_integer(symbol_c *integer) {
+ return atoi(((integer_c *)integer)->value);
+ }
+
+ void print_integer(unsigned int integer) {
+ char str[10];
+ sprintf(str, "%d", integer);
+ s4o.print(str);
+ }
/***************************/
/* B 0 - Programming Model */
@@ -110,17 +146,241 @@
/********************************/
/* 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");
+ /* add this type declaration to the type symbol table... */
+ type_symtable.insert(symbol->subrange_type_name, symbol->subrange_spec_init);
+
+ s4o.print("typedef ");
+ current_basetypedeclaration = subrangebasetype_bd;
+ symbol->subrange_spec_init->accept(*this);
+ current_basetypedeclaration = none_bd;
+ s4o.print(" ");
+ symbol->subrange_type_name->accept(*this);
+ s4o.print(";\n\n");
+
+ current_basetypedeclaration = subrangebasetypeexploration_bd;
+ symbol->subrange_spec_init->accept(*this);
+ current_basetypedeclaration = none_bd;
+
+ current_type_name = symbol->subrange_type_name;
+
+ current_basetypedeclaration = subrangetest_bd;
+ symbol->subrange_spec_init->accept(*this);
+ current_basetypedeclaration = none_bd;
+
+ return NULL;
+}
+
+/* subrange_specification ASSIGN signed_integer */
void *visit(subrange_spec_init_c *symbol) {
TRACE("subrange_spec_init_c");
- // TODO...
- ERROR;
+ current_typedefinition = subrange_td;
+ symbol->subrange_specification->accept(*this);
+ current_typedefinition = none_td;
+ return NULL;
+}
+
+/* integer_type_name '(' subrange')' */
+void *visit(subrange_specification_c *symbol) {
+ switch (current_basetypedeclaration) {
+ case subrangebasetype_bd:
+ symbol->integer_type_name->accept(*this);
+ break;
+ case subrangebasetypeexploration_bd:
+ search_base_type.explore_type(symbol->integer_type_name);
+ break;
+ case subrangetest_bd:
+ if (symbol->subrange != NULL) {
+ current_type_name->accept(*this);
+ s4o.print(" __CHECK_");
+ current_type_name->accept(*this);
+ s4o.print("(");
+ current_type_name->accept(*this);
+ s4o.print(" value) {\n");
+ s4o.indent_right();
+
+ if (search_base_type.base_is_subrange()) {
+ s4o.print(s4o.indent_spaces + "value = __CHECK_");
+ symbol->integer_type_name->accept(*this);
+ s4o.print("(value);\n");
+ }
+
+ symbol->subrange->accept(*this);
+
+ s4o.indent_left();
+ s4o.print("}\n");
+ }
+ else {
+ s4o.print("#define __CHECK_");
+ current_type_name->accept(*this);
+ s4o.print(" __CHECK_");
+ symbol->integer_type_name->accept(*this);
+ s4o.print("\n");
+ }
+ break;
+ default:
+ break;
+ }
+ return NULL;
+}
+
+/* signed_integer DOTDOT signed_integer */
+void *visit(subrange_c *symbol) {
+ int dimension;
+ switch (current_typedefinition) {
+ case array_td:
+ if (current_basetypedeclaration == arraysubrange_bd) {
+ s4o.print("[");
+ dimension = extract_integer(symbol->upper_limit) - extract_integer(symbol->lower_limit) + 1;
+ print_integer(dimension);
+ s4o.print("]");
+ }
+ else
+ symbol->lower_limit->accept(*this);
+ break;
+ case subrange_td:
+ s4o.print(s4o.indent_spaces + "if (value < ");
+ symbol->lower_limit->accept(*this);
+ s4o.print(")\n");
+ s4o.indent_right();
+ s4o.print(s4o.indent_spaces + "return ");
+ symbol->lower_limit->accept(*this);
+ s4o.print(";\n");
+ s4o.indent_left();
+ s4o.print(s4o.indent_spaces + "else if (value > ");
+ symbol->upper_limit->accept(*this);
+ s4o.print(")\n");
+ s4o.indent_right();
+ s4o.print(s4o.indent_spaces + "return ");
+ symbol->upper_limit->accept(*this);
+ s4o.print(";\n");
+ s4o.indent_left();
+ s4o.print(s4o.indent_spaces + "else\n");
+ s4o.indent_right();
+ s4o.print(s4o.indent_spaces + "return value;\n");
+ s4o.indent_left();
+ default:
+ break;
+ }
+ return NULL;
+}
+
+/* enumerated_type_name ':' enumerated_spec_init */
+void *visit(enumerated_type_declaration_c *symbol) {
+ TRACE("enumerated_type_declaration_c");
+ /* add this type declaration to the type symbol table... */
+ type_symtable.insert(symbol->enumerated_type_name, symbol->enumerated_spec_init);
+
+ s4o.print("typedef enum {\n");
+ s4o.indent_right();
+ symbol->enumerated_spec_init->accept(*this);
+ s4o.indent_left();
+ s4o.print("} ");
+ symbol->enumerated_type_name->accept(*this);
+ s4o.print(";\n");
return NULL;
}
void *visit(enumerated_spec_init_c *symbol) {
TRACE("enumerated_spec_init_c");
- // TODO...
- ERROR;
+ symbol->enumerated_specification->accept(*this);
+ return NULL;
+}
+
+/* helper symbol for enumerated_specification->enumerated_spec_init */
+/* enumerated_value_list ',' enumerated_value */
+void *visit(enumerated_value_list_c *symbol) {
+ print_list(symbol, s4o.indent_spaces, ",\n"+s4o.indent_spaces, "\n");
+ return NULL;
+}
+
+/* enumerated_type_name '#' identifier */
+void *visit(enumerated_value_c *symbol) {
+ symbol->value->accept(*this);
+ return NULL;
+}
+
+/* identifier ':' array_spec_init */
+void *visit(array_type_declaration_c *symbol) {
+ TRACE("array_type_declaration_c");
+ /* add this type declaration to the type symbol table... */
+ type_symtable.insert(symbol->identifier, symbol->array_spec_init);
+
+ s4o.print("typedef ");
+ current_basetypedeclaration = arraybasetype_bd;
+ symbol->array_spec_init->accept(*this);
+ current_basetypedeclaration = none_bd;
+ s4o.print(" ");
+ symbol->identifier->accept(*this);
+ current_basetypedeclaration = arraysubrange_bd;
+ symbol->array_spec_init->accept(*this);
+ current_basetypedeclaration = none_bd;
+ s4o.print(";\n");
+
+ search_base_type.explore_type(symbol->array_spec_init);
+ if (search_base_type.base_is_subrange()) {
+ s4o.print("#define __CHECK_");
+ symbol->identifier->accept(*this);
+ s4o.print(" __CHECK_");
+ current_basetypedeclaration = arraybasetype_bd;
+ symbol->array_spec_init->accept(*this);
+ current_basetypedeclaration = none_bd;
+ s4o.print("\n");
+ }
+
+ current_type_name = symbol->identifier;
+ current_basetypedeclaration = arraytranslateindex_bd;
+ symbol->array_spec_init->accept(*this);
+ current_basetypedeclaration = none_bd;
+ s4o.print("\n");
+
+ return NULL;
+}
+
+/* array_specification [ASSIGN array_initialization} */
+/* array_initialization may be NULL ! */
+void *visit(array_spec_init_c *symbol) {
+ TRACE("array_spec_init_c");
+ current_typedefinition = array_td;
+ symbol->array_specification->accept(*this);
+ current_typedefinition = none_td;
+ return NULL;
+}
+
+/* ARRAY '[' array_subrange_list ']' OF non_generic_type_name */
+void *visit(array_specification_c *symbol) {
+ switch (current_basetypedeclaration) {
+ case arraybasetype_bd:
+ symbol->non_generic_type_name->accept(*this);
+ break;
+ case arraysubrange_bd:
+ case arraytranslateindex_bd:
+ symbol->array_subrange_list->accept(*this);
+ break;
+ default:
+ break;
+ }
+ return NULL;
+}
+
+/* helper symbol for array_specification */
+/* array_subrange_list ',' subrange */
+void *visit(array_subrange_list_c *symbol) {
+ if (current_basetypedeclaration == arraytranslateindex_bd) {
+ for (int i = 0; i < symbol->n; i++) {
+ s4o.print("#define __");
+ current_type_name->accept(*this);
+ s4o.print("_TRANSIDX");
+ print_integer(i);
+ s4o.print("(index) (index) - ");
+ symbol->elements[i]->accept(*this);
+ s4o.print("\n");
+ }
+ }
+ else
+ print_list(symbol);
return NULL;
}
@@ -135,7 +395,7 @@
/* helper symbol for data_type_declaration */
void *visit(type_declaration_list_c *symbol) {
TRACE("type_declaration_list_c");
- return print_list(symbol);
+ return print_list(symbol, "", "\n");
}
/* simple_type_name ':' simple_spec_init */