static int indent;
static void print_statement(const statement_t *statement);
-static void print_declaration(const declaration_t *declaration);
-static void print_indent(void)
+void change_indent(int delta)
+{
+ indent += delta;
+ assert(indent >= 0);
+}
+
+void print_indent(void)
{
for(int i = 0; i < indent; ++i)
fprintf(out, "\t");
static void print_const(const const_t *cnst)
{
- fprintf(out, "%d", cnst->value);
+ if(cnst->expression.datatype == NULL)
+ return;
+
+ if(is_type_integer(cnst->expression.datatype)) {
+ fprintf(out, "%d", cnst->v.int_value);
+ } else if(is_type_floating(cnst->expression.datatype)) {
+ fprintf(out, "%Lf", cnst->v.float_value);
+ }
}
static void print_string_literal(const string_literal_t *string_literal)
static void print_call_expression(const call_expression_t *call)
{
- print_expression(call->method);
+ print_expression(call->function);
fprintf(out, "(");
call_argument_t *argument = call->arguments;
int first = 1;
fputs(expression->symbol->string, out);
}
+static void print_conditional(const conditional_expression_t *expression)
+{
+ fputs("(", out);
+ print_expression(expression->condition);
+ fputs(" ? ", out);
+ print_expression(expression->true_expression);
+ fputs(" : ", out);
+ print_expression(expression->false_expression);
+ fputs(")", out);
+}
+
+static void print_va_arg(const va_arg_expression_t *expression)
+{
+ fputs("__builtin_va_arg(", out);
+ print_expression(expression->arg);
+ fputs(", ", out);
+ print_type(expression->expression.datatype);
+ fputs(")", out);
+}
+
+static void print_select(const select_expression_t *expression)
+{
+ print_expression(expression->compound);
+ if(expression->compound->datatype == NULL ||
+ expression->compound->datatype->type == TYPE_POINTER) {
+ fputs("->", out);
+ } else {
+ fputc('.', out);
+ }
+ fputs(expression->symbol->string, out);
+}
+
void print_expression(const expression_t *expression)
{
switch(expression->type) {
case EXPR_BUILTIN_SYMBOL:
print_builtin_symbol((const builtin_symbol_expression_t*) expression);
break;
-
case EXPR_CONDITIONAL:
+ print_conditional((const conditional_expression_t*) expression);
+ break;
+ case EXPR_VA_ARG:
+ print_va_arg((const va_arg_expression_t*) expression);
+ break;
+ case EXPR_SELECT:
+ print_select((const select_expression_t*) expression);
+ break;
+
case EXPR_OFFSETOF:
case EXPR_STATEMENT:
- case EXPR_SELECT:
/* TODO */
fprintf(out, "some expression of type %d", expression->type);
break;
static void print_declaration_statement(
const declaration_statement_t *statement)
{
+ int first = 1;
declaration_t *declaration = statement->declarations_begin;
for( ; declaration != statement->declarations_end->next;
declaration = declaration->next) {
+ if(!first) {
+ print_indent();
+ } else {
+ first = 0;
+ }
print_declaration(declaration);
+ fputc('\n', out);
}
}
fputs(");\n", out);
}
-static void print_for_statemenet(const for_statement_t *statement)
+static void print_for_statement(const for_statement_t *statement)
{
- fprintf(out, "for(TODO) ");
+ fputs("for(", out);
+ if(statement->context.declarations != NULL) {
+ assert(statement->initialisation == NULL);
+ print_declaration(statement->context.declarations);
+ if(statement->context.declarations->next != NULL) {
+ panic("multiple declarations in for statement not supported yet");
+ }
+ } else if(statement->initialisation) {
+ print_expression(statement->initialisation);
+ }
+ fputs("; ", out);
+ if(statement->condition != NULL) {
+ print_expression(statement->condition);
+ }
+ fputs("; ", out);
+ if(statement->step != NULL) {
+ print_expression(statement->step);
+ }
+ fputs(")", out);
print_statement(statement->body);
}
print_do_while_statement((const do_while_statement_t*) statement);
break;
case STATEMENT_FOR:
- print_for_statemenet((const for_statement_t*) statement);
+ print_for_statement((const for_statement_t*) statement);
break;
case STATEMENT_INVALID:
fprintf(out, "*invalid statement*");
}
}
-static void print_declaration(const declaration_t *declaration)
+void print_initializer(const initializer_t *initializer)
+{
+ if(initializer->type == INITIALIZER_VALUE) {
+ print_expression(initializer->v.value);
+ return;
+ }
+
+ assert(initializer->type == INITIALIZER_LIST);
+ fputs("{ ", out);
+ initializer_t *iter = initializer->v.list;
+ for( ; iter != NULL; iter = iter->next) {
+ print_initializer(iter);
+ if(iter->next != NULL) {
+ fputs(", ", out);
+ }
+ }
+ fputs("}", out);
+}
+
+static void print_normal_declaration(const declaration_t *declaration)
{
print_storage_class(declaration->storage_class);
print_type_ext(declaration->type, declaration->symbol,
&declaration->context);
- if(declaration->statement != NULL) {
- fputs("\n", out);
- print_statement(declaration->statement);
- } else if(declaration->initializer != NULL) {
+ if(declaration->type->type == TYPE_FUNCTION) {
+ if(declaration->init.statement != NULL) {
+ fputs("\n", out);
+ print_statement(declaration->init.statement);
+ return;
+ }
+ } else if(declaration->init.initializer != NULL) {
fputs(" = ", out);
- print_expression(declaration->initializer);
- fprintf(out, ";\n");
- } else {
- fprintf(out, ";\n");
+ print_initializer(declaration->init.initializer);
+ }
+ fputc(';', out);
+}
+
+void print_declaration(const declaration_t *declaration)
+{
+ if(declaration->namespace != NAMESPACE_NORMAL &&
+ declaration->symbol == NULL)
+ return;
+
+ switch(declaration->namespace) {
+ case NAMESPACE_NORMAL:
+ print_normal_declaration(declaration);
+ break;
+ case NAMESPACE_STRUCT:
+ fputs("struct ", out);
+ fputs(declaration->symbol->string, out);
+ fputc(' ', out);
+ print_compound_definition(declaration);
+ fputc(';', out);
+ break;
+ case NAMESPACE_UNION:
+ fputs("union ", out);
+ fputs(declaration->symbol->string, out);
+ fputc(' ', out);
+ print_compound_definition(declaration);
+ fputc(';', out);
+ break;
+ case NAMESPACE_ENUM:
+ fputs("enum ", out);
+ fputs(declaration->symbol->string, out);
+ fputc(' ', out);
+ print_enum_definition(declaration);
+ fputc(';', out);
+ break;
}
}
void print_ast(const translation_unit_t *unit)
{
+ inc_type_visited();
+ set_print_compound_entries(true);
+
declaration_t *declaration = unit->context.declarations;
- while(declaration != NULL) {
- print_declaration(declaration);
+ for( ; declaration != NULL; declaration = declaration->next) {
+ if(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY)
+ continue;
+ if(declaration->namespace != NAMESPACE_NORMAL &&
+ declaration->symbol == NULL)
+ continue;
- declaration = declaration->next;
+ print_indent();
+ print_declaration(declaration);
+ fputc('\n', out);
}
}
projects / cparser / blobdiff