[EXPR_UNKNOWN] = PREC_PRIM,
[EXPR_INVALID] = PREC_PRIM,
[EXPR_REFERENCE] = PREC_PRIM,
+ [EXPR_CHAR_CONST] = PREC_PRIM,
[EXPR_CONST] = PREC_PRIM,
[EXPR_STRING_LITERAL] = PREC_PRIM,
[EXPR_WIDE_STRING_LITERAL] = PREC_PRIM,
+ [EXPR_COMPOUND_LITERAL] = PREC_UNARY,
[EXPR_CALL] = PREC_PRIM,
[EXPR_CONDITIONAL] = PREC_COND,
[EXPR_SELECT] = PREC_ACCESS,
[EXPR_BINARY_ISLESSGREATER] = PREC_PRIM,
[EXPR_BINARY_ISUNORDERED] = PREC_PRIM
};
-#ifndef NDEBUG
- if ((unsigned)kind >= (sizeof(prec)/sizeof(prec[0]))) {
- panic("wrong expression kind");
- }
+ assert((unsigned)kind < (sizeof(prec)/sizeof(prec[0])));
unsigned res = prec[kind];
- if (res == PREC_BOTTOM) {
- panic("expression kind not defined in get_expression_precedence()");
- }
-#endif
+
+ assert(res != PREC_BOTTOM);
return res;
}
if(cnst->base.type == NULL)
return;
- if(is_type_integer(cnst->base.type)) {
+ const type_t *const type = skip_typeref(cnst->base.type);
+
+ if (is_type_integer(type)) {
fprintf(out, "%lld", cnst->v.int_value);
- } else if(is_type_float(cnst->base.type)) {
+ } else if (is_type_float(type)) {
fprintf(out, "%Lf", cnst->v.float_value);
+ } else {
+ panic("unknown constant");
}
}
* Print a quoted string constant.
*
* @param string the string constant
+ * @param border the border char
*/
-static void print_quoted_string(const string_t *const string)
+static void print_quoted_string(const string_t *const string, char border)
{
- fputc('"', out);
+ fputc(border, out);
const char *end = string->begin + string->size;
for (const char *c = string->begin; c != end; ++c) {
+ if (*c == border) {
+ fputc('\\', out);
+ }
switch(*c) {
- case '\"': fputs("\\\"", out); break;
case '\\': fputs("\\\\", out); break;
case '\a': fputs("\\a", out); break;
case '\b': fputs("\\b", out); break;
break;
}
}
- fputc('"', out);
+ fputc(border, out);
+}
+
+/**
+ * Print a constant character expression.
+ *
+ * @param cnst the constant character expression
+ */
+static void print_char_const(const const_expression_t *cnst)
+{
+ print_quoted_string(&cnst->v.chars, '\'');
}
/**
static void print_string_literal(
const string_literal_expression_t *string_literal)
{
- print_quoted_string(&string_literal->value);
+ print_quoted_string(&string_literal->value, '"');
}
/**
*
* @param wstr the wide string literal expression
*/
-static void print_wide_string_literal(
- const wide_string_literal_expression_t *const wstr)
+static void print_quoted_wide_string(const wide_string_t *const wstr)
{
fputs("L\"", out);
- for (const wchar_rep_t *c = wstr->value.begin,
- *end = c + wstr->value.size;
+ for (const wchar_rep_t *c = wstr->begin, *end = wstr->begin + wstr->size;
c != end; ++c) {
switch (*c) {
case L'\"': fputs("\\\"", out); break;
fputc('"', out);
}
+static void print_wide_string_literal(
+ const wide_string_literal_expression_t *const wstr)
+{
+ print_quoted_wide_string(&wstr->value);
+}
+
+static void print_compound_literal(
+ const compound_literal_expression_t *expression)
+{
+ fputc('(', out);
+ print_type(expression->type);
+ fputs(") ", out);
+ print_initializer(expression->initializer);
+}
+
/**
* Prints a call expression.
*
*/
static void print_designator(const designator_t *designator)
{
- fputs(designator->symbol->string, out);
- for (designator = designator->next; designator != NULL; designator = designator->next) {
- if (designator->array_access) {
+ for ( ; designator != NULL; designator = designator->next) {
+ if (designator->symbol == NULL) {
fputc('[', out);
- print_expression_prec(designator->array_access, PREC_ACCESS);
+ print_expression_prec(designator->array_index, PREC_ACCESS);
fputc(']', out);
} else {
fputc('.', out);
case EXPR_INVALID:
fprintf(out, "*invalid expression*");
break;
+ case EXPR_CHAR_CONST:
+ print_char_const(&expression->conste);
+ break;
case EXPR_CONST:
print_const(&expression->conste);
break;
case EXPR_WIDE_STRING_LITERAL:
print_wide_string_literal(&expression->wide_string);
break;
+ case EXPR_COMPOUND_LITERAL:
+ print_compound_literal(&expression->compound_literal);
+ break;
case EXPR_CALL:
print_call_expression(&expression->call);
break;
if(constraint->symbol) {
fprintf(out, "[%s] ", constraint->symbol->string);
}
- print_quoted_string(&constraint->constraints);
+ print_quoted_string(&constraint->constraints, '"');
fputs(" (", out);
print_expression(constraint->expression);
fputs(")", out);
if(clobber != clobbers)
fputs(", ", out);
- print_quoted_string(&clobber->clobber);
+ print_quoted_string(&clobber->clobber, '"');
}
}
fputs("volatile ", out);
}
fputs("(", out);
- print_quoted_string(&statement->asm_text);
+ print_quoted_string(&statement->asm_text, '"');
if(statement->inputs == NULL && statement->outputs == NULL
&& statement->clobbers == NULL)
goto end_of_print_asm_statement;
*/
void print_initializer(const initializer_t *initializer)
{
- if(initializer->kind == INITIALIZER_VALUE) {
+ if(initializer == NULL) {
+ fputs("{ NIL-INITIALIZER }", out);
+ return;
+ }
+
+ switch(initializer->kind) {
+ case INITIALIZER_VALUE: {
const initializer_value_t *value = &initializer->value;
print_expression(value->value);
return;
}
-
- assert(initializer->kind == INITIALIZER_LIST);
- fputs("{ ", out);
- const initializer_list_t *list = &initializer->list;
-
- for(size_t i = 0 ; i < list->len; ++i) {
- if(i > 0) {
- fputs(", ", out);
+ case INITIALIZER_LIST: {
+ assert(initializer->kind == INITIALIZER_LIST);
+ fputs("{ ", out);
+ const initializer_list_t *list = &initializer->list;
+
+ for(size_t i = 0 ; i < list->len; ++i) {
+ const initializer_t *sub_init = list->initializers[i];
+ print_initializer(list->initializers[i]);
+ if(i < list->len-1 && sub_init->kind != INITIALIZER_DESIGNATOR) {
+ fputs(", ", out);
+ }
}
- print_initializer(list->initializers[i]);
+ fputs(" }", out);
+ return;
}
- fputs("}", out);
+ case INITIALIZER_STRING:
+ print_quoted_string(&initializer->string.string, '"');
+ return;
+ case INITIALIZER_WIDE_STRING:
+ print_quoted_wide_string(&initializer->wide_string.string);
+ return;
+ case INITIALIZER_DESIGNATOR:
+ print_designator(initializer->designator.designator);
+ fputs(" = ", out);
+ return;
+ }
+
+ panic("invalid initializer kind found");
}
/**
switch(expression->kind) {
case EXPR_CONST:
+ case EXPR_CHAR_CONST:
case EXPR_STRING_LITERAL:
case EXPR_WIDE_STRING_LITERAL:
case EXPR_SIZEOF:
return is_constant_expression(expression->binary.left)
&& is_constant_expression(expression->binary.right);
+ case EXPR_COMPOUND_LITERAL:
+ /* TODO: check initializer if it is constant */
+ return true;
+
case EXPR_CONDITIONAL:
/* TODO: not correct, we only have to test expressions which are
* evaluated, which means either the true or false part might be not