#include "lang_features.h"
#include "entity_t.h"
#include "printer.h"
+#include "types.h"
#include <assert.h>
#include <stdio.h>
print_string("\t");
}
+static void print_symbol(const symbol_t *symbol)
+{
+ print_string(symbol->string);
+}
+
+static void print_stringrep(const string_t *string)
+{
+ for (size_t i = 0; i < string->size; ++i) {
+ print_char(string->begin[i]);
+ }
+}
+
/**
* Returns 1 if a given precedence level has right-to-left
* associativity, else 0.
static unsigned get_expression_precedence(expression_kind_t kind)
{
static const unsigned prec[] = {
- [EXPR_UNKNOWN] = PREC_PRIMARY,
- [EXPR_INVALID] = PREC_PRIMARY,
- [EXPR_REFERENCE] = PREC_PRIMARY,
- [EXPR_REFERENCE_ENUM_VALUE] = PREC_PRIMARY,
- [EXPR_CHARACTER_CONSTANT] = PREC_PRIMARY,
- [EXPR_WIDE_CHARACTER_CONSTANT] = PREC_PRIMARY,
- [EXPR_CONST] = PREC_PRIMARY,
- [EXPR_STRING_LITERAL] = PREC_PRIMARY,
- [EXPR_WIDE_STRING_LITERAL] = PREC_PRIMARY,
- [EXPR_COMPOUND_LITERAL] = PREC_UNARY,
- [EXPR_CALL] = PREC_POSTFIX,
- [EXPR_CONDITIONAL] = PREC_CONDITIONAL,
- [EXPR_SELECT] = PREC_POSTFIX,
- [EXPR_ARRAY_ACCESS] = PREC_POSTFIX,
- [EXPR_SIZEOF] = PREC_UNARY,
- [EXPR_CLASSIFY_TYPE] = PREC_UNARY,
- [EXPR_ALIGNOF] = PREC_UNARY,
-
- [EXPR_FUNCNAME] = PREC_PRIMARY,
- [EXPR_BUILTIN_CONSTANT_P] = PREC_PRIMARY,
- [EXPR_BUILTIN_TYPES_COMPATIBLE_P] = PREC_PRIMARY,
- [EXPR_OFFSETOF] = PREC_PRIMARY,
- [EXPR_VA_START] = PREC_PRIMARY,
- [EXPR_VA_ARG] = PREC_PRIMARY,
- [EXPR_VA_COPY] = PREC_PRIMARY,
- [EXPR_STATEMENT] = PREC_PRIMARY,
- [EXPR_LABEL_ADDRESS] = PREC_PRIMARY,
-
- [EXPR_UNARY_NEGATE] = PREC_UNARY,
- [EXPR_UNARY_PLUS] = PREC_UNARY,
- [EXPR_UNARY_BITWISE_NEGATE] = PREC_UNARY,
- [EXPR_UNARY_NOT] = PREC_UNARY,
- [EXPR_UNARY_DEREFERENCE] = PREC_UNARY,
- [EXPR_UNARY_TAKE_ADDRESS] = PREC_UNARY,
- [EXPR_UNARY_POSTFIX_INCREMENT] = PREC_POSTFIX,
- [EXPR_UNARY_POSTFIX_DECREMENT] = PREC_POSTFIX,
- [EXPR_UNARY_PREFIX_INCREMENT] = PREC_UNARY,
- [EXPR_UNARY_PREFIX_DECREMENT] = PREC_UNARY,
- [EXPR_UNARY_CAST] = PREC_UNARY,
- [EXPR_UNARY_CAST_IMPLICIT] = PREC_UNARY,
- [EXPR_UNARY_ASSUME] = PREC_PRIMARY,
- [EXPR_UNARY_DELETE] = PREC_UNARY,
- [EXPR_UNARY_DELETE_ARRAY] = PREC_UNARY,
- [EXPR_UNARY_THROW] = PREC_ASSIGNMENT,
-
- [EXPR_BINARY_ADD] = PREC_ADDITIVE,
- [EXPR_BINARY_SUB] = PREC_ADDITIVE,
- [EXPR_BINARY_MUL] = PREC_MULTIPLICATIVE,
- [EXPR_BINARY_DIV] = PREC_MULTIPLICATIVE,
- [EXPR_BINARY_MOD] = PREC_MULTIPLICATIVE,
- [EXPR_BINARY_EQUAL] = PREC_EQUALITY,
- [EXPR_BINARY_NOTEQUAL] = PREC_EQUALITY,
- [EXPR_BINARY_LESS] = PREC_RELATIONAL,
- [EXPR_BINARY_LESSEQUAL] = PREC_RELATIONAL,
- [EXPR_BINARY_GREATER] = PREC_RELATIONAL,
- [EXPR_BINARY_GREATEREQUAL] = PREC_RELATIONAL,
- [EXPR_BINARY_BITWISE_AND] = PREC_AND,
- [EXPR_BINARY_BITWISE_OR] = PREC_OR,
- [EXPR_BINARY_BITWISE_XOR] = PREC_XOR,
- [EXPR_BINARY_LOGICAL_AND] = PREC_LOGICAL_AND,
- [EXPR_BINARY_LOGICAL_OR] = PREC_LOGICAL_OR,
- [EXPR_BINARY_SHIFTLEFT] = PREC_SHIFT,
- [EXPR_BINARY_SHIFTRIGHT] = PREC_SHIFT,
- [EXPR_BINARY_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_MUL_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_DIV_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_MOD_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_ADD_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_SUB_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_SHIFTLEFT_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_SHIFTRIGHT_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_BITWISE_AND_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_BITWISE_XOR_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_BITWISE_OR_ASSIGN] = PREC_ASSIGNMENT,
- [EXPR_BINARY_COMMA] = PREC_EXPRESSION,
-
- [EXPR_BINARY_ISGREATER] = PREC_PRIMARY,
- [EXPR_BINARY_ISGREATEREQUAL] = PREC_PRIMARY,
- [EXPR_BINARY_ISLESS] = PREC_PRIMARY,
- [EXPR_BINARY_ISLESSEQUAL] = PREC_PRIMARY,
- [EXPR_BINARY_ISLESSGREATER] = PREC_PRIMARY,
- [EXPR_BINARY_ISUNORDERED] = PREC_PRIMARY
+ [EXPR_UNKNOWN] = PREC_PRIMARY,
+ [EXPR_INVALID] = PREC_PRIMARY,
+ [EXPR_REFERENCE] = PREC_PRIMARY,
+ [EXPR_REFERENCE_ENUM_VALUE] = PREC_PRIMARY,
+ [EXPR_LITERAL_INTEGER] = PREC_PRIMARY,
+ [EXPR_LITERAL_INTEGER_OCTAL] = PREC_PRIMARY,
+ [EXPR_LITERAL_INTEGER_HEXADECIMAL] = PREC_PRIMARY,
+ [EXPR_LITERAL_FLOATINGPOINT] = PREC_PRIMARY,
+ [EXPR_LITERAL_FLOATINGPOINT_HEXADECIMAL] = PREC_PRIMARY,
+ [EXPR_LITERAL_CHARACTER] = PREC_PRIMARY,
+ [EXPR_LITERAL_WIDE_CHARACTER] = PREC_PRIMARY,
+ [EXPR_LITERAL_MS_NOOP] = PREC_PRIMARY,
+ [EXPR_STRING_LITERAL] = PREC_PRIMARY,
+ [EXPR_WIDE_STRING_LITERAL] = PREC_PRIMARY,
+ [EXPR_COMPOUND_LITERAL] = PREC_UNARY,
+ [EXPR_CALL] = PREC_POSTFIX,
+ [EXPR_CONDITIONAL] = PREC_CONDITIONAL,
+ [EXPR_SELECT] = PREC_POSTFIX,
+ [EXPR_ARRAY_ACCESS] = PREC_POSTFIX,
+ [EXPR_SIZEOF] = PREC_UNARY,
+ [EXPR_CLASSIFY_TYPE] = PREC_UNARY,
+ [EXPR_ALIGNOF] = PREC_UNARY,
+
+ [EXPR_FUNCNAME] = PREC_PRIMARY,
+ [EXPR_BUILTIN_CONSTANT_P] = PREC_PRIMARY,
+ [EXPR_BUILTIN_TYPES_COMPATIBLE_P] = PREC_PRIMARY,
+ [EXPR_OFFSETOF] = PREC_PRIMARY,
+ [EXPR_VA_START] = PREC_PRIMARY,
+ [EXPR_VA_ARG] = PREC_PRIMARY,
+ [EXPR_VA_COPY] = PREC_PRIMARY,
+ [EXPR_STATEMENT] = PREC_PRIMARY,
+ [EXPR_LABEL_ADDRESS] = PREC_PRIMARY,
+
+ [EXPR_UNARY_NEGATE] = PREC_UNARY,
+ [EXPR_UNARY_PLUS] = PREC_UNARY,
+ [EXPR_UNARY_BITWISE_NEGATE] = PREC_UNARY,
+ [EXPR_UNARY_NOT] = PREC_UNARY,
+ [EXPR_UNARY_DEREFERENCE] = PREC_UNARY,
+ [EXPR_UNARY_TAKE_ADDRESS] = PREC_UNARY,
+ [EXPR_UNARY_POSTFIX_INCREMENT] = PREC_POSTFIX,
+ [EXPR_UNARY_POSTFIX_DECREMENT] = PREC_POSTFIX,
+ [EXPR_UNARY_PREFIX_INCREMENT] = PREC_UNARY,
+ [EXPR_UNARY_PREFIX_DECREMENT] = PREC_UNARY,
+ [EXPR_UNARY_CAST] = PREC_UNARY,
+ [EXPR_UNARY_CAST_IMPLICIT] = PREC_UNARY,
+ [EXPR_UNARY_ASSUME] = PREC_PRIMARY,
+ [EXPR_UNARY_DELETE] = PREC_UNARY,
+ [EXPR_UNARY_DELETE_ARRAY] = PREC_UNARY,
+ [EXPR_UNARY_THROW] = PREC_ASSIGNMENT,
+
+ [EXPR_BINARY_ADD] = PREC_ADDITIVE,
+ [EXPR_BINARY_SUB] = PREC_ADDITIVE,
+ [EXPR_BINARY_MUL] = PREC_MULTIPLICATIVE,
+ [EXPR_BINARY_DIV] = PREC_MULTIPLICATIVE,
+ [EXPR_BINARY_MOD] = PREC_MULTIPLICATIVE,
+ [EXPR_BINARY_EQUAL] = PREC_EQUALITY,
+ [EXPR_BINARY_NOTEQUAL] = PREC_EQUALITY,
+ [EXPR_BINARY_LESS] = PREC_RELATIONAL,
+ [EXPR_BINARY_LESSEQUAL] = PREC_RELATIONAL,
+ [EXPR_BINARY_GREATER] = PREC_RELATIONAL,
+ [EXPR_BINARY_GREATEREQUAL] = PREC_RELATIONAL,
+ [EXPR_BINARY_BITWISE_AND] = PREC_AND,
+ [EXPR_BINARY_BITWISE_OR] = PREC_OR,
+ [EXPR_BINARY_BITWISE_XOR] = PREC_XOR,
+ [EXPR_BINARY_LOGICAL_AND] = PREC_LOGICAL_AND,
+ [EXPR_BINARY_LOGICAL_OR] = PREC_LOGICAL_OR,
+ [EXPR_BINARY_SHIFTLEFT] = PREC_SHIFT,
+ [EXPR_BINARY_SHIFTRIGHT] = PREC_SHIFT,
+ [EXPR_BINARY_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_MUL_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_DIV_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_MOD_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_ADD_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_SUB_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_SHIFTLEFT_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_SHIFTRIGHT_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_BITWISE_AND_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_BITWISE_XOR_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_BITWISE_OR_ASSIGN] = PREC_ASSIGNMENT,
+ [EXPR_BINARY_COMMA] = PREC_EXPRESSION,
+
+ [EXPR_BINARY_ISGREATER] = PREC_PRIMARY,
+ [EXPR_BINARY_ISGREATEREQUAL] = PREC_PRIMARY,
+ [EXPR_BINARY_ISLESS] = PREC_PRIMARY,
+ [EXPR_BINARY_ISLESSEQUAL] = PREC_PRIMARY,
+ [EXPR_BINARY_ISLESSGREATER] = PREC_PRIMARY,
+ [EXPR_BINARY_ISUNORDERED] = PREC_PRIMARY
};
assert((size_t)kind < lengthof(prec));
unsigned res = prec[kind];
return res;
}
-/**
- * Print a constant expression.
- *
- * @param cnst the constant expression
- */
-static void print_const(const const_expression_t *cnst)
-{
- if (cnst->base.type == NULL)
- return;
-
- const type_t *const type = skip_typeref(cnst->base.type);
-
- if (is_type_atomic(type, ATOMIC_TYPE_BOOL)) {
- print_string(cnst->v.int_value ? "true" : "false");
- } else if (is_type_integer(type)) {
- print_format("%lld", cnst->v.int_value);
- } else if (is_type_float(type)) {
- long double const val = cnst->v.float_value;
-#ifdef _WIN32
- /* ARG, no way to print long double */
- print_format("%.20g", (double)val);
-#else
- print_format("%.20Lg", val);
-#endif
- if (isfinite(val) && truncl(val) == val)
- print_string(".0");
- } else {
- panic("unknown constant");
- }
-
- char const* suffix;
- switch (type->atomic.akind) {
- case ATOMIC_TYPE_UINT: suffix = "U"; break;
- case ATOMIC_TYPE_LONG: suffix = "L"; break;
- case ATOMIC_TYPE_ULONG: suffix = "UL"; break;
- case ATOMIC_TYPE_LONGLONG: suffix = "LL"; break;
- case ATOMIC_TYPE_ULONGLONG: suffix = "ULL"; break;
- case ATOMIC_TYPE_FLOAT: suffix = "F"; break;
- case ATOMIC_TYPE_LONG_DOUBLE: suffix = "L"; break;
-
- default: return;
- }
- print_string(suffix);
-}
-
/**
* Print a quoted string constant.
*
* @param border the border char
* @param skip number of chars to skip at the end
*/
-static void print_quoted_string(const string_t *const string, char border, int skip)
+static void print_quoted_string(const string_t *const string, char border,
+ int skip)
{
print_char(border);
const char *end = string->begin + string->size - skip;
print_string("\\");
}
switch (tc) {
- case '\\': print_string("\\\\"); break;
- case '\a': print_string("\\a"); break;
- case '\b': print_string("\\b"); break;
- case '\f': print_string("\\f"); break;
- case '\n': print_string("\\n"); break;
- case '\r': print_string("\\r"); break;
- case '\t': print_string("\\t"); break;
- case '\v': print_string("\\v"); break;
- case '\?': print_string("\\?"); break;
+ case '\\': print_string("\\\\"); break;
+ case '\a': print_string("\\a"); break;
+ case '\b': print_string("\\b"); break;
+ case '\f': print_string("\\f"); break;
+ case '\n': print_string("\\n"); break;
+ case '\r': print_string("\\r"); break;
+ case '\t': print_string("\\t"); break;
+ case '\v': print_string("\\v"); break;
+ case '\?': print_string("\\?"); break;
case 27:
if (c_mode & _GNUC) {
print_string("\\e"); break;
print_char(border);
}
-/**
- * Prints a wide string literal expression.
- *
- * @param wstr the wide string literal expression
- * @param border the border char
- * @param skip number of chars to skip at the end
- */
-static void print_quoted_wide_string(const wide_string_t *const wstr,
- char border, int skip)
+static void print_string_literal(const string_literal_expression_t *literal)
{
- print_string("L");
- print_char(border);
- const wchar_rep_t *end = wstr->begin + wstr->size - skip;
- for (const wchar_rep_t *c = wstr->begin; c != end; ++c) {
- switch (*c) {
- case L'\"': print_string("\\\""); break;
- case L'\\': print_string("\\\\"); break;
- case L'\a': print_string("\\a"); break;
- case L'\b': print_string("\\b"); break;
- case L'\f': print_string("\\f"); break;
- case L'\n': print_string("\\n"); break;
- case L'\r': print_string("\\r"); break;
- case L'\t': print_string("\\t"); break;
- case L'\v': print_string("\\v"); break;
- case L'\?': print_string("\\?"); break;
- case 27:
- if (c_mode & _GNUC) {
- print_string("\\e"); break;
- }
- /* FALLTHROUGH */
- default: {
- const unsigned tc = *c;
- if (tc < 0x80U) {
- if (isprint(*c)) {
- print_char(*c);
- } else {
- print_format("\\%03o", tc);
- }
- } else {
- print_char(tc);
- }
- }
- }
+ if (literal->base.kind == EXPR_WIDE_STRING_LITERAL) {
+ print_char('L');
}
- print_char(border);
+ print_quoted_string(&literal->value, '"', 1);
}
-/**
- * Print a constant character expression.
- *
- * @param cnst the constant character expression
- */
-static void print_character_constant(const const_expression_t *cnst)
-{
- print_quoted_string(&cnst->v.character, '\'', 0);
-}
-
-static void print_wide_character_constant(const const_expression_t *cnst)
+static void print_literal(const literal_expression_t *literal)
{
- print_quoted_wide_string(&cnst->v.wide_character, '\'', 0);
-}
-
-/**
- * Prints a string literal expression.
- *
- * @param string_literal the string literal expression
- */
-static void print_string_literal(
- const string_literal_expression_t *string_literal)
-{
- print_quoted_string(&string_literal->value, '"', 1);
+ switch (literal->base.kind) {
+ case EXPR_LITERAL_MS_NOOP:
+ print_string("__noop");
+ return;
+ case EXPR_LITERAL_INTEGER_HEXADECIMAL:
+ case EXPR_LITERAL_FLOATINGPOINT_HEXADECIMAL:
+ print_string("0x");
+ /* FALLTHROUGH */
+ case EXPR_LITERAL_BOOLEAN:
+ case EXPR_LITERAL_INTEGER:
+ case EXPR_LITERAL_INTEGER_OCTAL:
+ case EXPR_LITERAL_FLOATINGPOINT:
+ print_stringrep(&literal->value);
+ if (literal->suffix != NULL)
+ print_symbol(literal->suffix);
+ return;
+ case EXPR_LITERAL_WIDE_CHARACTER:
+ print_char('L');
+ /* FALLTHROUGH */
+ case EXPR_LITERAL_CHARACTER:
+ print_quoted_string(&literal->value, '\'', 0);
+ return;
+ default:
+ break;
+ }
+ print_string("INVALID LITERAL KIND");
}
/**
print_string(s);
}
-static void print_wide_string_literal(
- const wide_string_literal_expression_t *const wstr)
-{
- print_quoted_wide_string(&wstr->value, '"', 1);
-}
-
static void print_compound_literal(
const compound_literal_expression_t *expression)
{
case EXPR_INVALID:
print_string("$invalid expression$");
break;
- case EXPR_CHARACTER_CONSTANT:
- print_character_constant(&expression->conste);
- break;
- case EXPR_WIDE_CHARACTER_CONSTANT:
- print_wide_character_constant(&expression->conste);
+ case EXPR_WIDE_STRING_LITERAL:
+ case EXPR_STRING_LITERAL:
+ print_string_literal(&expression->string_literal);
break;
- case EXPR_CONST:
- print_const(&expression->conste);
+ EXPR_LITERAL_CASES
+ print_literal(&expression->literal);
break;
case EXPR_FUNCNAME:
print_funcname(&expression->funcname);
break;
- case EXPR_STRING_LITERAL:
- print_string_literal(&expression->string);
- 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;
print_statement_expression(&expression->statement);
break;
+#if 0
default:
/* TODO */
print_format("some expression of type %d", (int)expression->kind);
break;
+#endif
}
if (parenthesized)
print_string(")");
print_quoted_string(&initializer->string.string, '"', 1);
return;
case INITIALIZER_WIDE_STRING:
- print_quoted_wide_string(&initializer->wide_string.string, '"', 1);
+ print_quoted_string(&initializer->string.string, '"', 1);
return;
case INITIALIZER_DESIGNATOR:
print_designator(initializer->designator.designator);
case EXPR_UNARY_CAST: {
type_t *dest = skip_typeref(expression->base.type);
if (!is_type_pointer(dest) && (
- dest->kind != TYPE_ATOMIC ||
- !(get_atomic_type_flags(dest->atomic.akind) & ATOMIC_TYPE_FLAG_INTEGER) ||
- get_atomic_type_size(dest->atomic.akind) < get_atomic_type_size(get_intptr_kind())
+ dest->kind != TYPE_ATOMIC ||
+ !(get_atomic_type_flags(dest->atomic.akind) & ATOMIC_TYPE_FLAG_INTEGER) ||
+ get_atomic_type_size(dest->atomic.akind) < get_atomic_type_size(get_intptr_kind())
))
return false;
bool is_constant_expression(const expression_t *expression)
{
switch (expression->kind) {
-
- case EXPR_CONST:
- case EXPR_CHARACTER_CONSTANT:
- case EXPR_WIDE_CHARACTER_CONSTANT:
+ EXPR_LITERAL_CASES
case EXPR_CLASSIFY_TYPE:
case EXPR_OFFSETOF:
case EXPR_ALIGNOF:
case EXPR_UNARY_CAST:
case EXPR_UNARY_CAST_IMPLICIT:
- return is_type_arithmetic(skip_typeref(expression->base.type))
+ return is_type_scalar(skip_typeref(expression->base.type))
&& is_constant_expression(expression->unary.value);
case EXPR_BINARY_ADD:
projects / cparser / blobdiff