#include "type_t.h"
#include "parser.h"
#include "lang_features.h"
+#include "entity_t.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
+#ifdef __INTEL_COMPILER
+#include <mathimf.h>
+#else
+#include <math.h>
+#endif
+
#include "adt/error.h"
struct obstack ast_obstack;
void print_indent(void)
{
- for(int i = 0; i < indent; ++i)
- fprintf(out, "\t");
-}
-
-enum precedence_t {
- PREC_BOTTOM = 0,
- PREC_COMMA = 2, /* , left to right */
- PREC_ASSIGN = 4, /* = += -= *= /= %= <<= >>= &= ^= |= right to left */
- PREC_COND = 6, /* ?: right to left */
- PREC_LOG_OR = 8, /* || left to right */
- PREC_LOG_AND = 10, /* && left to right */
- PREC_BIT_OR = 12, /* | left to right */
- PREC_BIT_XOR = 14, /* ^ left to right */
- PREC_BIT_AND = 16, /* & left to right */
- PREC_EQ = 18, /* == != left to right */
- PREC_CMP = 20, /* < <= > >= left to right */
- PREC_SHF = 22, /* << >> left to right */
- PREC_PLUS = 24, /* + - left to right */
- PREC_MUL = 26, /* * / % left to right */
- PREC_UNARY = 28, /* ! ~ ++ -- + - (type) * & sizeof right to left */
- PREC_ACCESS = 30, /* () [] -> . left to right */
- PREC_PRIM = 32, /* primary */
- PREC_TOP = 34
-};
+ for (int i = 0; i < indent; ++i)
+ fputc('\t', out);
+}
/**
* Returns 1 if a given precedence level has right-to-left
- * associativity, else -1.
+ * associativity, else 0.
*
* @param precedence the operator precedence
*/
-static int right_to_left(unsigned precedence) {
- return (precedence == PREC_ASSIGN || precedence == PREC_COND ||
- precedence == PREC_UNARY) ? 1 : -1;
+static int right_to_left(unsigned precedence)
+{
+ switch (precedence) {
+ case PREC_ASSIGNMENT:
+ case PREC_CONDITIONAL:
+ case PREC_UNARY:
+ return 1;
+
+ default:
+ return 0;
+ }
}
/**
static unsigned get_expression_precedence(expression_kind_t kind)
{
static const unsigned prec[] = {
- [EXPR_UNKNOWN] = PREC_PRIM,
- [EXPR_INVALID] = PREC_PRIM,
- [EXPR_REFERENCE] = PREC_PRIM,
- [EXPR_CHARACTER_CONSTANT] = PREC_PRIM,
- [EXPR_WIDE_CHARACTER_CONSTANT] = PREC_PRIM,
- [EXPR_CONST] = PREC_PRIM,
- [EXPR_STRING_LITERAL] = PREC_PRIM,
- [EXPR_WIDE_STRING_LITERAL] = PREC_PRIM,
+ [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_PRIM,
- [EXPR_CONDITIONAL] = PREC_COND,
- [EXPR_SELECT] = PREC_ACCESS,
- [EXPR_ARRAY_ACCESS] = PREC_ACCESS,
+ [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_PRIM,
- [EXPR_BUILTIN_SYMBOL] = PREC_PRIM,
- [EXPR_BUILTIN_CONSTANT_P] = PREC_PRIM,
- [EXPR_BUILTIN_PREFETCH] = PREC_PRIM,
- [EXPR_OFFSETOF] = PREC_PRIM,
- [EXPR_VA_START] = PREC_PRIM,
- [EXPR_VA_ARG] = PREC_PRIM,
- [EXPR_STATEMENT] = PREC_ACCESS,
+ [EXPR_FUNCNAME] = PREC_PRIMARY,
+ [EXPR_BUILTIN_SYMBOL] = PREC_PRIMARY,
+ [EXPR_BUILTIN_CONSTANT_P] = PREC_PRIMARY,
+ [EXPR_BUILTIN_PREFETCH] = PREC_PRIMARY,
+ [EXPR_OFFSETOF] = PREC_PRIMARY,
+ [EXPR_VA_START] = PREC_PRIMARY,
+ [EXPR_VA_ARG] = PREC_PRIMARY,
+ [EXPR_STATEMENT] = PREC_PRIMARY,
+ [EXPR_LABEL_ADDRESS] = PREC_PRIMARY,
[EXPR_UNARY_NEGATE] = PREC_UNARY,
[EXPR_UNARY_PLUS] = PREC_UNARY,
[EXPR_UNARY_NOT] = PREC_UNARY,
[EXPR_UNARY_DEREFERENCE] = PREC_UNARY,
[EXPR_UNARY_TAKE_ADDRESS] = PREC_UNARY,
- [EXPR_UNARY_POSTFIX_INCREMENT] = PREC_UNARY,
- [EXPR_UNARY_POSTFIX_DECREMENT] = 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_PRIM,
-
- [EXPR_BINARY_ADD] = PREC_PLUS,
- [EXPR_BINARY_SUB] = PREC_PLUS,
- [EXPR_BINARY_MUL] = PREC_MUL,
- [EXPR_BINARY_DIV] = PREC_MUL,
- [EXPR_BINARY_MOD] = PREC_MUL,
- [EXPR_BINARY_EQUAL] = PREC_EQ,
- [EXPR_BINARY_NOTEQUAL] = PREC_EQ,
- [EXPR_BINARY_LESS] = PREC_CMP,
- [EXPR_BINARY_LESSEQUAL] = PREC_CMP,
- [EXPR_BINARY_GREATER] = PREC_CMP,
- [EXPR_BINARY_GREATEREQUAL] = PREC_CMP,
- [EXPR_BINARY_BITWISE_AND] = PREC_BIT_AND,
- [EXPR_BINARY_BITWISE_OR] = PREC_BIT_OR,
- [EXPR_BINARY_BITWISE_XOR] = PREC_BIT_XOR,
- [EXPR_BINARY_LOGICAL_AND] = PREC_LOG_AND,
- [EXPR_BINARY_LOGICAL_OR] = PREC_LOG_OR,
- [EXPR_BINARY_SHIFTLEFT] = PREC_SHF,
- [EXPR_BINARY_SHIFTRIGHT] = PREC_SHF,
- [EXPR_BINARY_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_MUL_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_DIV_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_MOD_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_ADD_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_SUB_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_SHIFTLEFT_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_SHIFTRIGHT_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_BITWISE_AND_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_BITWISE_XOR_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_BITWISE_OR_ASSIGN] = PREC_ASSIGN,
- [EXPR_BINARY_COMMA] = PREC_COMMA,
-
- [EXPR_BINARY_BUILTIN_EXPECT] = PREC_PRIM,
- [EXPR_BINARY_ISGREATER] = PREC_PRIM,
- [EXPR_BINARY_ISGREATEREQUAL] = PREC_PRIM,
- [EXPR_BINARY_ISLESS] = PREC_PRIM,
- [EXPR_BINARY_ISLESSEQUAL] = PREC_PRIM,
- [EXPR_BINARY_ISLESSGREATER] = PREC_PRIM,
- [EXPR_BINARY_ISUNORDERED] = PREC_PRIM
+ [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((unsigned)kind < (sizeof(prec)/sizeof(prec[0])));
unsigned res = prec[kind];
*/
static void print_const(const const_expression_t *cnst)
{
- if(cnst->base.type == NULL)
+ if (cnst->base.type == NULL)
return;
const type_t *const type = skip_typeref(cnst->base.type);
- if (is_type_integer(type)) {
+ if (is_type_atomic(type, ATOMIC_TYPE_BOOL)) {
+ fputs(cnst->v.int_value ? "true" : "false", out);
+ } else if (is_type_integer(type)) {
fprintf(out, "%lld", cnst->v.int_value);
} else if (is_type_float(type)) {
- fprintf(out, "%Lf", cnst->v.float_value);
+ long double const val = cnst->v.float_value;
+#ifdef _WIN32
+ /* ARG, no way to print long double */
+ fprintf(out, "%.20g", (double)val);
+#else
+ fprintf(out, "%.20Lg", val);
+#endif
+ if (isfinite(val) && truncl(val) == val)
+ fputs(".0", out);
} 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;
+ }
+ fputs(suffix, out);
}
/**
*
* @param string the 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)
+static void print_quoted_string(const string_t *const string, char border, int skip)
{
fputc(border, out);
- const char *end = string->begin + string->size - 1;
+ const char *end = string->begin + string->size - skip;
for (const char *c = string->begin; c != end; ++c) {
if (*c == border) {
fputc('\\', out);
}
- switch(*c) {
+ switch (*c) {
case '\\': fputs("\\\\", out); break;
case '\a': fputs("\\a", out); break;
case '\b': fputs("\\b", out); break;
case '\t': fputs("\\t", out); break;
case '\v': fputs("\\v", out); break;
case '\?': fputs("\\?", out); break;
+ case 27:
+ if (c_mode & _GNUC) {
+ fputs("\\e", out); break;
+ }
+ /* FALLTHROUGH */
default:
- if(!isprint(*c)) {
- fprintf(out, "\\%03o", *c);
+ if (!isprint(*c)) {
+ fprintf(out, "\\%03o", (unsigned)*c);
break;
}
fputc(*c, out);
/**
* Prints a wide string literal expression.
*
- * @param wstr the 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)
+ char border, int skip)
{
fputc('L', out);
fputc(border, out);
- for (const wchar_rep_t *c = wstr->begin, *end = wstr->begin + wstr->size-1;
- c != end; ++c) {
+ 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'\"': fputs("\\\"", out); break;
case L'\\': fputs("\\\\", out); break;
case L'\t': fputs("\\t", out); break;
case L'\v': fputs("\\v", out); break;
case L'\?': fputs("\\?", out); break;
+ case 27:
+ if (c_mode & _GNUC) {
+ fputs("\\e", out); break;
+ }
+ /* FALLTHROUGH */
default: {
const unsigned tc = *c;
if (tc < 0x80U) {
- if (!isprint(*c)) {
+ if (!isprint(*c)) {
fprintf(out, "\\%03o", (char)*c);
} else {
fputc(*c, out);
*/
static void print_character_constant(const const_expression_t *cnst)
{
- print_quoted_string(&cnst->v.character, '\'');
+ print_quoted_string(&cnst->v.character, '\'', 0);
}
static void print_wide_character_constant(const const_expression_t *cnst)
{
- print_quoted_wide_string(&cnst->v.wide_character, '\'');
+ print_quoted_wide_string(&cnst->v.wide_character, '\'', 0);
}
/**
static void print_string_literal(
const string_literal_expression_t *string_literal)
{
- print_quoted_string(&string_literal->value, '"');
+ print_quoted_string(&string_literal->value, '"', 1);
}
/**
* Prints a predefined symbol.
*/
-static void print_funcname(
- const funcname_expression_t *funcname)
+static void print_funcname(const funcname_expression_t *funcname)
{
const char *s = "";
- switch(funcname->kind) {
+ switch (funcname->kind) {
case FUNCNAME_FUNCTION: s = (c_mode & _C99) ? "__func__" : "__FUNCTION__"; break;
case FUNCNAME_PRETTY_FUNCTION: s = "__PRETTY_FUNCTION__"; break;
case FUNCNAME_FUNCSIG: s = "__FUNCSIG__"; break;
case FUNCNAME_FUNCDNAME: s = "__FUNCDNAME__"; break;
}
- fputc('"', out);
fputs(s, out);
- fputc('"', out);
}
static void print_wide_string_literal(
const wide_string_literal_expression_t *const wstr)
{
- print_quoted_wide_string(&wstr->value, '"');
+ print_quoted_wide_string(&wstr->value, '"', 1);
}
static void print_compound_literal(
{
fputc('(', out);
print_type(expression->type);
- fputs(") ", out);
+ fputc(')', out);
print_initializer(expression->initializer);
}
+static void print_assignment_expression(const expression_t *const expr)
+{
+ print_expression_prec(expr, PREC_ASSIGNMENT);
+}
+
/**
* Prints a call expression.
*
{
unsigned prec = get_expression_precedence(call->base.kind);
print_expression_prec(call->function, prec);
- fprintf(out, "(");
+ fputc('(', out);
call_argument_t *argument = call->arguments;
int first = 1;
- while(argument != NULL) {
- if(!first) {
- fprintf(out, ", ");
+ while (argument != NULL) {
+ if (!first) {
+ fputs(", ", out);
} else {
first = 0;
}
- print_expression_prec(argument->expression, PREC_COMMA + 1);
+ print_assignment_expression(argument->expression);
argument = argument->next;
}
- fprintf(out, ")");
+ fputc(')', out);
}
/**
unsigned prec = get_expression_precedence(binexpr->base.kind);
int r2l = right_to_left(prec);
- if(binexpr->base.kind == EXPR_BINARY_BUILTIN_EXPECT) {
- fputs("__builtin_expect(", out);
- print_expression_prec(binexpr->left, prec);
- fputs(", ", out);
- print_expression_prec(binexpr->right, prec);
- fputc(')', out);
- return;
- }
-
print_expression_prec(binexpr->left, prec + r2l);
- if (binexpr->base.kind != EXPR_BINARY_COMMA) {
- fputc(' ', out);
- }
+ char const* op;
switch (binexpr->base.kind) {
- case EXPR_BINARY_COMMA: fputs(",", out); break;
- case EXPR_BINARY_ASSIGN: fputs("=", out); break;
- case EXPR_BINARY_ADD: fputs("+", out); break;
- case EXPR_BINARY_SUB: fputs("-", out); break;
- case EXPR_BINARY_MUL: fputs("*", out); break;
- case EXPR_BINARY_MOD: fputs("%", out); break;
- case EXPR_BINARY_DIV: fputs("/", out); break;
- case EXPR_BINARY_BITWISE_OR: fputs("|", out); break;
- case EXPR_BINARY_BITWISE_AND: fputs("&", out); break;
- case EXPR_BINARY_BITWISE_XOR: fputs("^", out); break;
- case EXPR_BINARY_LOGICAL_OR: fputs("||", out); break;
- case EXPR_BINARY_LOGICAL_AND: fputs("&&", out); break;
- case EXPR_BINARY_NOTEQUAL: fputs("!=", out); break;
- case EXPR_BINARY_EQUAL: fputs("==", out); break;
- case EXPR_BINARY_LESS: fputs("<", out); break;
- case EXPR_BINARY_LESSEQUAL: fputs("<=", out); break;
- case EXPR_BINARY_GREATER: fputs(">", out); break;
- case EXPR_BINARY_GREATEREQUAL: fputs(">=", out); break;
- case EXPR_BINARY_SHIFTLEFT: fputs("<<", out); break;
- case EXPR_BINARY_SHIFTRIGHT: fputs(">>", out); break;
-
- case EXPR_BINARY_ADD_ASSIGN: fputs("+=", out); break;
- case EXPR_BINARY_SUB_ASSIGN: fputs("-=", out); break;
- case EXPR_BINARY_MUL_ASSIGN: fputs("*=", out); break;
- case EXPR_BINARY_MOD_ASSIGN: fputs("%=", out); break;
- case EXPR_BINARY_DIV_ASSIGN: fputs("/=", out); break;
- case EXPR_BINARY_BITWISE_OR_ASSIGN: fputs("|=", out); break;
- case EXPR_BINARY_BITWISE_AND_ASSIGN: fputs("&=", out); break;
- case EXPR_BINARY_BITWISE_XOR_ASSIGN: fputs("^=", out); break;
- case EXPR_BINARY_SHIFTLEFT_ASSIGN: fputs("<<=", out); break;
- case EXPR_BINARY_SHIFTRIGHT_ASSIGN: fputs(">>=", out); break;
+ case EXPR_BINARY_COMMA: op = ", "; break;
+ case EXPR_BINARY_ASSIGN: op = " = "; break;
+ case EXPR_BINARY_ADD: op = " + "; break;
+ case EXPR_BINARY_SUB: op = " - "; break;
+ case EXPR_BINARY_MUL: op = " * "; break;
+ case EXPR_BINARY_MOD: op = " % "; break;
+ case EXPR_BINARY_DIV: op = " / "; break;
+ case EXPR_BINARY_BITWISE_OR: op = " | "; break;
+ case EXPR_BINARY_BITWISE_AND: op = " & "; break;
+ case EXPR_BINARY_BITWISE_XOR: op = " ^ "; break;
+ case EXPR_BINARY_LOGICAL_OR: op = " || "; break;
+ case EXPR_BINARY_LOGICAL_AND: op = " && "; break;
+ case EXPR_BINARY_NOTEQUAL: op = " != "; break;
+ case EXPR_BINARY_EQUAL: op = " == "; break;
+ case EXPR_BINARY_LESS: op = " < "; break;
+ case EXPR_BINARY_LESSEQUAL: op = " <= "; break;
+ case EXPR_BINARY_GREATER: op = " > "; break;
+ case EXPR_BINARY_GREATEREQUAL: op = " >= "; break;
+ case EXPR_BINARY_SHIFTLEFT: op = " << "; break;
+ case EXPR_BINARY_SHIFTRIGHT: op = " >> "; break;
+
+ case EXPR_BINARY_ADD_ASSIGN: op = " += "; break;
+ case EXPR_BINARY_SUB_ASSIGN: op = " -= "; break;
+ case EXPR_BINARY_MUL_ASSIGN: op = " *= "; break;
+ case EXPR_BINARY_MOD_ASSIGN: op = " %= "; break;
+ case EXPR_BINARY_DIV_ASSIGN: op = " /= "; break;
+ case EXPR_BINARY_BITWISE_OR_ASSIGN: op = " |= "; break;
+ case EXPR_BINARY_BITWISE_AND_ASSIGN: op = " &= "; break;
+ case EXPR_BINARY_BITWISE_XOR_ASSIGN: op = " ^= "; break;
+ case EXPR_BINARY_SHIFTLEFT_ASSIGN: op = " <<= "; break;
+ case EXPR_BINARY_SHIFTRIGHT_ASSIGN: op = " >>= "; break;
default: panic("invalid binexpression found");
}
- fputc(' ', out);
- print_expression_prec(binexpr->right, prec - r2l);
+ fputs(op, out);
+ print_expression_prec(binexpr->right, prec + 1 - r2l);
}
/**
static void print_unary_expression(const unary_expression_t *unexpr)
{
unsigned prec = get_expression_precedence(unexpr->base.kind);
- switch(unexpr->base.kind) {
- case EXPR_UNARY_NEGATE: fputs("-", out); break;
- case EXPR_UNARY_PLUS: fputs("+", out); break;
- case EXPR_UNARY_NOT: fputs("!", out); break;
- case EXPR_UNARY_BITWISE_NEGATE: fputs("~", out); break;
- case EXPR_UNARY_PREFIX_INCREMENT: fputs("++", out); break;
- case EXPR_UNARY_PREFIX_DECREMENT: fputs("--", out); break;
- case EXPR_UNARY_DEREFERENCE: fputs("*", out); break;
- case EXPR_UNARY_TAKE_ADDRESS: fputs("&", out); break;
+ switch (unexpr->base.kind) {
+ case EXPR_UNARY_NEGATE: fputc('-', out); break;
+ case EXPR_UNARY_PLUS: fputc('+', out); break;
+ case EXPR_UNARY_NOT: fputc('!', out); break;
+ case EXPR_UNARY_BITWISE_NEGATE: fputc('~', out); break;
+ case EXPR_UNARY_PREFIX_INCREMENT: fputs("++", out); break;
+ case EXPR_UNARY_PREFIX_DECREMENT: fputs("--", out); break;
+ case EXPR_UNARY_DEREFERENCE: fputc('*', out); break;
+ case EXPR_UNARY_TAKE_ADDRESS: fputc('&', out); break;
+ case EXPR_UNARY_DELETE: fputs("delete ", out); break;
+ case EXPR_UNARY_DELETE_ARRAY: fputs("delete [] ", out); break;
case EXPR_UNARY_POSTFIX_INCREMENT:
print_expression_prec(unexpr->value, prec);
fputs("--", out);
return;
case EXPR_UNARY_CAST_IMPLICIT:
- if(!print_implicit_casts) {
- print_expression_prec(unexpr->value, prec);
- return;
- }
- /* fallthrough */
case EXPR_UNARY_CAST:
fputc('(', out);
print_type(unexpr->base.type);
break;
case EXPR_UNARY_ASSUME:
fputs("__assume(", out);
- print_expression_prec(unexpr->value, PREC_COMMA + 1);
+ print_assignment_expression(unexpr->value);
fputc(')', out);
return;
+
+ case EXPR_UNARY_THROW:
+ if (unexpr->value == NULL) {
+ fputs("throw", out);
+ return;
+ }
+ fputs("throw ", out);
+ break;
+
default:
panic("invalid unary expression found");
}
*/
static void print_reference_expression(const reference_expression_t *ref)
{
- fprintf(out, "%s", ref->declaration->symbol->string);
+ fputs(ref->entity->base.symbol->string, out);
+}
+
+/**
+ * Prints a label address expression.
+ *
+ * @param ref the reference expression
+ */
+static void print_label_address_expression(const label_address_expression_t *le)
+{
+ fprintf(out, "&&%s", le->label->base.symbol->string);
}
/**
static void print_array_expression(const array_access_expression_t *expression)
{
unsigned prec = get_expression_precedence(expression->base.kind);
- if(!expression->flipped) {
+ if (!expression->flipped) {
print_expression_prec(expression->array_ref, prec);
fputc('[', out);
- print_expression_prec(expression->index, prec);
+ print_expression(expression->index);
fputc(']', out);
} else {
print_expression_prec(expression->index, prec);
fputc('[', out);
- print_expression_prec(expression->array_ref, prec);
+ print_expression(expression->array_ref);
fputc(']', out);
}
}
assert(expression->base.kind == EXPR_ALIGNOF);
fputs("__alignof__", out);
}
- if(expression->tp_expression != NULL) {
+ if (expression->tp_expression != NULL) {
/* always print the '()' here, sizeof x is right but unusual */
fputc('(', out);
- print_expression_prec(expression->tp_expression, PREC_ACCESS);
+ print_expression(expression->tp_expression);
fputc(')', out);
} else {
fputc('(', out);
static void print_builtin_constant(const builtin_constant_expression_t *expression)
{
fputs("__builtin_constant_p(", out);
- print_expression_prec(expression->value, PREC_COMMA + 1);
+ print_assignment_expression(expression->value);
fputc(')', out);
}
static void print_builtin_prefetch(const builtin_prefetch_expression_t *expression)
{
fputs("__builtin_prefetch(", out);
- print_expression_prec(expression->adr, PREC_COMMA + 1);
+ print_assignment_expression(expression->adr);
if (expression->rw) {
fputc(',', out);
- print_expression_prec(expression->rw, PREC_COMMA + 1);
+ print_assignment_expression(expression->rw);
}
if (expression->locality) {
fputc(',', out);
- print_expression_prec(expression->locality, PREC_COMMA + 1);
+ print_assignment_expression(expression->locality);
}
fputc(')', out);
}
*/
static void print_conditional(const conditional_expression_t *expression)
{
- unsigned prec = get_expression_precedence(expression->base.kind);
- fputs("(", out);
- print_expression_prec(expression->condition, prec);
+ print_expression_prec(expression->condition, PREC_LOGICAL_OR);
fputs(" ? ", out);
- print_expression_prec(expression->true_expression, prec);
- fputs(" : ", out);
+ if (expression->true_expression != NULL) {
+ print_expression_prec(expression->true_expression, PREC_EXPRESSION);
+ fputs(" : ", out);
+ } else {
+ fputs(": ", out);
+ }
+ precedence_t prec = c_mode & _CXX ? PREC_ASSIGNMENT : PREC_CONDITIONAL;
print_expression_prec(expression->false_expression, prec);
- fputs(")", out);
}
/**
static void print_va_start(const va_start_expression_t *const expression)
{
fputs("__builtin_va_start(", out);
- print_expression_prec(expression->ap, PREC_COMMA + 1);
+ print_assignment_expression(expression->ap);
fputs(", ", out);
- fputs(expression->parameter->symbol->string, out);
- fputs(")", out);
+ fputs(expression->parameter->base.base.symbol->string, out);
+ fputc(')', out);
}
/**
static void print_va_arg(const va_arg_expression_t *expression)
{
fputs("__builtin_va_arg(", out);
- print_expression_prec(expression->ap, PREC_COMMA + 1);
+ print_assignment_expression(expression->ap);
fputs(", ", out);
print_type(expression->base.type);
- fputs(")", out);
+ fputc(')', out);
}
/**
{
unsigned prec = get_expression_precedence(expression->base.kind);
print_expression_prec(expression->compound, prec);
- if(is_type_pointer(skip_typeref(expression->compound->base.type))) {
+ if (is_type_pointer(skip_typeref(expression->compound->base.type))) {
fputs("->", out);
} else {
fputc('.', out);
}
- fputs(expression->symbol->string, out);
+ fputs(expression->compound_entry->base.symbol->string, out);
}
/**
const classify_type_expression_t *const expr)
{
fputs("__builtin_classify_type(", out);
- print_expression_prec(expr->type_expression, PREC_COMMA + 1);
+ print_assignment_expression(expr->type_expression);
fputc(')', out);
}
for ( ; designator != NULL; designator = designator->next) {
if (designator->symbol == NULL) {
fputc('[', out);
- print_expression_prec(designator->array_index, PREC_ACCESS);
+ print_expression(designator->array_index);
fputc(']', out);
} else {
fputc('.', out);
*/
static void print_expression_prec(const expression_t *expression, unsigned top_prec)
{
- unsigned prec = get_expression_precedence(expression->base.kind);
- if (print_parenthesis && top_prec != PREC_BOTTOM)
- top_prec = PREC_TOP;
- if (top_prec > prec)
+ if (expression->kind == EXPR_UNARY_CAST_IMPLICIT && !print_implicit_casts) {
+ expression = expression->unary.value;
+ }
+
+ bool parenthesized =
+ expression->base.parenthesized ||
+ (print_parenthesis && top_prec != PREC_BOTTOM) ||
+ top_prec > get_expression_precedence(expression->base.kind);
+
+ if (parenthesized)
fputc('(', out);
- switch(expression->kind) {
+ switch (expression->kind) {
case EXPR_UNKNOWN:
case EXPR_INVALID:
- fprintf(out, "$invalid expression$");
+ fputs("$invalid expression$", out);
break;
case EXPR_CHARACTER_CONSTANT:
print_character_constant(&expression->conste);
print_binary_expression(&expression->binary);
break;
case EXPR_REFERENCE:
+ case EXPR_REFERENCE_ENUM_VALUE:
print_reference_expression(&expression->reference);
break;
case EXPR_ARRAY_ACCESS:
print_array_expression(&expression->array_access);
break;
+ case EXPR_LABEL_ADDRESS:
+ print_label_address_expression(&expression->label_address);
+ break;
EXPR_UNARY_CASES
print_unary_expression(&expression->unary);
break;
default:
/* TODO */
- fprintf(out, "some expression of type %d", (int) expression->kind);
+ fprintf(out, "some expression of type %d", (int)expression->kind);
break;
}
- if (top_prec > prec)
+ if (parenthesized)
fputc(')', out);
}
++indent;
statement_t *statement = block->statements;
- while(statement != NULL) {
+ while (statement != NULL) {
if (statement->base.kind == STATEMENT_CASE_LABEL)
--indent;
- print_indent();
+ if (statement->kind != STATEMENT_LABEL)
+ print_indent();
print_statement(statement);
statement = statement->base.next;
*/
static void print_return_statement(const return_statement_t *statement)
{
- fprintf(out, "return ");
- if(statement->value != NULL)
- print_expression(statement->value);
- fputs(";\n", out);
+ expression_t const *const val = statement->value;
+ if (val != NULL) {
+ fputs("return ", out);
+ print_expression(val);
+ fputs(";\n", out);
+ } else {
+ fputs("return;\n", out);
+ }
}
/**
*/
static void print_goto_statement(const goto_statement_t *statement)
{
- fprintf(out, "goto ");
- fputs(statement->label->symbol->string, out);
- fprintf(stderr, "(%p)", (void*) statement->label);
+ fputs("goto ", out);
+ if (statement->expression != NULL) {
+ fputc('*', out);
+ print_expression(statement->expression);
+ } else {
+ fputs(statement->label->base.symbol->string, out);
+ }
fputs(";\n", out);
}
*/
static void print_label_statement(const label_statement_t *statement)
{
- fprintf(stderr, "(%p)", (void*) statement->label);
- fprintf(out, "%s:\n", statement->label->symbol->string);
+ fprintf(out, "%s:\n", statement->label->base.symbol->string);
+ print_indent();
print_statement(statement->statement);
}
fputs(") ", out);
print_statement(statement->true_statement);
- if(statement->false_statement != NULL) {
+ if (statement->false_statement != NULL) {
print_indent();
fputs("else ", out);
print_statement(statement->false_statement);
*/
static void print_case_label(const case_label_statement_t *statement)
{
- if(statement->expression == NULL) {
+ if (statement->expression == NULL) {
fputs("default:\n", out);
} else {
fputs("case ", out);
fputs(":\n", out);
}
++indent;
- if(statement->statement != NULL) {
+ if (statement->statement != NULL) {
if (statement->statement->base.kind == STATEMENT_CASE_LABEL) {
--indent;
}
}
}
+static void print_local_label(const local_label_statement_t *statement)
+{
+ fputs("__label__ ", out);
+
+ bool first = true;
+ entity_t *entity = statement->labels_begin;
+ for (;
+ entity != statement->labels_end->base.next;
+ entity = entity->base.next) {
+ if (!first) {
+ fputs(", ", out);
+ } else {
+ first = false;
+ }
+ fputs(entity->base.symbol->string, out);
+ }
+ fputs(";\n", out);
+}
+
+static void print_typedef(const entity_t *entity)
+{
+ fputs("typedef ", out);
+ print_type_ext(entity->typedefe.type, entity->base.symbol, NULL);
+ fputc(';', out);
+}
+
+/**
+ * returns true if the entity is a compiler generated one and has no real
+ * correspondenc in the source file
+ */
+static bool is_generated_entity(const entity_t *entity)
+{
+ if (entity->kind == ENTITY_TYPEDEF)
+ return entity->typedefe.builtin;
+
+ if (is_declaration(entity))
+ return entity->declaration.implicit;
+
+ return false;
+}
+
/**
* Print a declaration statement.
*
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(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY)
- continue;
+ bool first = true;
+ entity_t *entity = statement->declarations_begin;
+ if (entity == NULL) {
+ fputs("/* empty declaration statement */\n", out);
+ return;
+ }
+
+ entity_t *const end = statement->declarations_end->base.next;
+ for (; entity != end; entity = entity->base.next) {
+ if (!is_declaration(entity) && entity->kind != ENTITY_TYPEDEF)
+ continue;
+ if (is_generated_entity(entity))
+ continue;
- if(!first) {
+ if (!first) {
print_indent();
} else {
- first = 0;
+ first = false;
+ }
+
+ if (entity->kind == ENTITY_TYPEDEF) {
+ print_typedef(entity);
+ } else {
+ assert(is_declaration(entity));
+ print_declaration(entity);
}
- print_declaration(declaration);
+
fputc('\n', out);
}
}
static void print_for_statement(const for_statement_t *statement)
{
fputs("for (", out);
- if(statement->scope.declarations != NULL) {
+ entity_t *entity = statement->scope.entities;
+ while (entity != NULL && is_generated_entity(entity))
+ entity = entity->base.next;
+
+ if (entity != NULL) {
assert(statement->initialisation == NULL);
- print_declaration(statement->scope.declarations);
- if(statement->scope.declarations->next != NULL) {
+ assert(is_declaration(entity));
+ print_declaration(entity);
+ if (entity->base.next != NULL) {
panic("multiple declarations in for statement not supported yet");
}
fputc(' ', out);
} else {
- if(statement->initialisation) {
+ if (statement->initialisation) {
print_expression(statement->initialisation);
}
fputs("; ", out);
}
- if(statement->condition != NULL) {
+ if (statement->condition != NULL) {
print_expression(statement->condition);
}
fputs("; ", out);
- if(statement->step != NULL) {
+ if (statement->step != NULL) {
print_expression(statement->step);
}
- fputs(")", out);
+ fputs(") ", out);
print_statement(statement->body);
}
static void print_asm_arguments(asm_argument_t *arguments)
{
asm_argument_t *argument = arguments;
- for( ; argument != NULL; argument = argument->next) {
- if(argument != arguments)
+ for (; argument != NULL; argument = argument->next) {
+ if (argument != arguments)
fputs(", ", out);
- if(argument->symbol) {
+ if (argument->symbol) {
fprintf(out, "[%s] ", argument->symbol->string);
}
- print_quoted_string(&argument->constraints, '"');
+ print_quoted_string(&argument->constraints, '"', 1);
fputs(" (", out);
print_expression(argument->expression);
- fputs(")", out);
+ fputc(')', out);
}
}
static void print_asm_clobbers(asm_clobber_t *clobbers)
{
asm_clobber_t *clobber = clobbers;
- for( ; clobber != NULL; clobber = clobber->next) {
- if(clobber != clobbers)
+ for (; clobber != NULL; clobber = clobber->next) {
+ if (clobber != clobbers)
fputs(", ", out);
- print_quoted_string(&clobber->clobber, '"');
+ print_quoted_string(&clobber->clobber, '"', 1);
}
}
static void print_asm_statement(const asm_statement_t *statement)
{
fputs("asm ", out);
- if(statement->is_volatile) {
+ if (statement->is_volatile) {
fputs("volatile ", out);
}
- fputs("(", out);
- print_quoted_string(&statement->asm_text, '"');
- if(statement->inputs == NULL && statement->outputs == NULL
- && statement->clobbers == NULL)
+ fputc('(', out);
+ print_quoted_string(&statement->asm_text, '"', 1);
+ if (statement->outputs == NULL &&
+ statement->inputs == NULL &&
+ statement->clobbers == NULL)
goto end_of_print_asm_statement;
fputs(" : ", out);
- print_asm_arguments(statement->inputs);
- if(statement->outputs == NULL && statement->clobbers == NULL)
+ print_asm_arguments(statement->outputs);
+ if (statement->inputs == NULL && statement->clobbers == NULL)
goto end_of_print_asm_statement;
fputs(" : ", out);
- print_asm_arguments(statement->outputs);
- if(statement->clobbers == NULL)
+ print_asm_arguments(statement->inputs);
+ if (statement->clobbers == NULL)
goto end_of_print_asm_statement;
fputs(" : ", out);
fputs("__try ", out);
print_statement(statement->try_statement);
print_indent();
- if(statement->except_expression != NULL) {
+ if (statement->except_expression != NULL) {
fputs("__except(", out);
print_expression(statement->except_expression);
fputs(") ", out);
*/
static void print_leave_statement(const leave_statement_t *statement)
{
- (void) statement;
+ (void)statement;
fputs("__leave;\n", out);
}
*/
void print_statement(const statement_t *statement)
{
- switch(statement->kind) {
+ switch (statement->kind) {
case STATEMENT_EMPTY:
fputs(";\n", out);
break;
case STATEMENT_LABEL:
print_label_statement(&statement->label);
break;
+ case STATEMENT_LOCAL_LABEL:
+ print_local_label(&statement->local_label);
+ break;
case STATEMENT_GOTO:
print_goto_statement(&statement->gotos);
break;
print_leave_statement(&statement->leave);
break;
case STATEMENT_INVALID:
- fprintf(out, "$invalid statement$");
+ fputs("$invalid statement$\n", out);
break;
}
}
*/
static void print_storage_class(storage_class_tag_t storage_class)
{
- switch(storage_class) {
- case STORAGE_CLASS_ENUM_ENTRY:
- case STORAGE_CLASS_NONE:
- break;
- case STORAGE_CLASS_TYPEDEF: fputs("typedef ", out); break;
- case STORAGE_CLASS_EXTERN: fputs("extern ", out); break;
- case STORAGE_CLASS_STATIC: fputs("static ", out); break;
- case STORAGE_CLASS_AUTO: fputs("auto ", out); break;
- case STORAGE_CLASS_REGISTER: fputs("register ", out); break;
- case STORAGE_CLASS_THREAD: fputs("__thread", out); break;
- case STORAGE_CLASS_THREAD_EXTERN: fputs("extern __thread", out); break;
- case STORAGE_CLASS_THREAD_STATIC: fputs("static __thread", out); break;
+ const char *text;
+ switch (storage_class) {
+ case STORAGE_CLASS_NONE: return;
+ case STORAGE_CLASS_TYPEDEF: text = "typedef "; break;
+ case STORAGE_CLASS_EXTERN: text = "extern "; break;
+ case STORAGE_CLASS_STATIC: text = "static "; break;
+ case STORAGE_CLASS_AUTO: text = "auto "; break;
+ case STORAGE_CLASS_REGISTER: text = "register "; break;
}
+ fputs(text, out);
}
/**
*/
void print_initializer(const initializer_t *initializer)
{
- if(initializer == NULL) {
+ if (initializer == NULL) {
fputs("{}", out);
return;
}
- switch(initializer->kind) {
+ switch (initializer->kind) {
case INITIALIZER_VALUE: {
const initializer_value_t *value = &initializer->value;
- print_expression(value->value);
+ print_assignment_expression(value->value);
return;
}
case INITIALIZER_LIST: {
fputs("{ ", out);
const initializer_list_t *list = &initializer->list;
- for(size_t i = 0 ; i < list->len; ++i) {
+ 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) {
- if(sub_init == NULL || sub_init->kind != INITIALIZER_DESIGNATOR)
+ if (i < list->len-1) {
+ if (sub_init == NULL || sub_init->kind != INITIALIZER_DESIGNATOR)
fputs(", ", out);
}
}
return;
}
case INITIALIZER_STRING:
- print_quoted_string(&initializer->string.string, '"');
+ print_quoted_string(&initializer->string.string, '"', 1);
return;
case INITIALIZER_WIDE_STRING:
- print_quoted_wide_string(&initializer->wide_string.string, '"');
+ print_quoted_wide_string(&initializer->wide_string.string, '"', 1);
return;
case INITIALIZER_DESIGNATOR:
print_designator(initializer->designator.designator);
/**
* Print microsoft extended declaration modifiers.
*/
-static void print_ms_modifiers(const declaration_t *declaration) {
- if((c_mode & _MS) == 0)
+static void print_ms_modifiers(const declaration_t *declaration)
+{
+ if ((c_mode & _MS) == 0)
return;
decl_modifiers_t modifiers = declaration->modifiers;
- /* DM_FORCEINLINE handled outside. */
- if((modifiers & ~DM_FORCEINLINE) != 0 ||
- declaration->alignment != 0 || declaration->deprecated != 0 ||
- declaration->get_property_sym != NULL || declaration->put_property_sym != NULL) {
- char *next = "(";
+ bool ds_shown = false;
+ const char *next = "(";
+
+ if (declaration->base.kind == ENTITY_VARIABLE) {
+ variable_t *variable = (variable_t*)declaration;
+ if (variable->alignment != 0
+ || variable->get_property_sym != NULL
+ || variable->put_property_sym != NULL) {
+ if (!ds_shown) {
+ fputs("__declspec", out);
+ ds_shown = true;
+ }
- fputs("__declspec", out);
- if(modifiers & DM_DLLIMPORT) {
+ if (variable->alignment != 0) {
+ fputs(next, out); next = ", "; fprintf(out, "align(%u)", variable->alignment);
+ }
+ if (variable->get_property_sym != NULL
+ || variable->put_property_sym != NULL) {
+ char *comma = "";
+ fputs(next, out); next = ", "; fputs("property(", out);
+ if (variable->get_property_sym != NULL) {
+ fprintf(out, "get=%s", variable->get_property_sym->string);
+ comma = ", ";
+ }
+ if (variable->put_property_sym != NULL)
+ fprintf(out, "%sput=%s", comma, variable->put_property_sym->string);
+ fputc(')', out);
+ }
+ }
+ }
+
+ /* DM_FORCEINLINE handled outside. */
+ if ((modifiers & ~DM_FORCEINLINE) != 0) {
+ if (!ds_shown) {
+ fputs("__declspec", out);
+ ds_shown = true;
+ }
+ if (modifiers & DM_DLLIMPORT) {
fputs(next, out); next = ", "; fputs("dllimport", out);
}
- if(modifiers & DM_DLLEXPORT) {
+ if (modifiers & DM_DLLEXPORT) {
fputs(next, out); next = ", "; fputs("dllexport", out);
}
- if(modifiers & DM_THREAD) {
+ if (modifiers & DM_THREAD) {
fputs(next, out); next = ", "; fputs("thread", out);
}
- if(modifiers & DM_NAKED) {
+ if (modifiers & DM_NAKED) {
fputs(next, out); next = ", "; fputs("naked", out);
}
- if(modifiers & DM_THREAD) {
+ if (modifiers & DM_THREAD) {
fputs(next, out); next = ", "; fputs("thread", out);
}
- if(modifiers & DM_SELECTANY) {
+ if (modifiers & DM_SELECTANY) {
fputs(next, out); next = ", "; fputs("selectany", out);
}
- if(modifiers & DM_NOTHROW) {
+ if (modifiers & DM_NOTHROW) {
fputs(next, out); next = ", "; fputs("nothrow", out);
}
- if(modifiers & DM_NORETURN) {
+ if (modifiers & DM_NORETURN) {
fputs(next, out); next = ", "; fputs("noreturn", out);
}
- if(modifiers & DM_NOINLINE) {
+ if (modifiers & DM_NOINLINE) {
fputs(next, out); next = ", "; fputs("noinline", out);
}
- if(declaration->deprecated != 0) {
+ if (modifiers & DM_DEPRECATED) {
fputs(next, out); next = ", "; fputs("deprecated", out);
- if(declaration->deprecated_string != NULL)
- fprintf(out, "(\"%s\")", declaration->deprecated_string);
- }
- if(declaration->alignment != 0) {
- fputs(next, out); next = ", "; fprintf(out, "align(%u)", declaration->alignment);
+ if (declaration->deprecated_string != NULL)
+ fprintf(out, "(\"%s\")",
+ declaration->deprecated_string);
}
- if(modifiers & DM_RESTRICT) {
+ if (modifiers & DM_RESTRICT) {
fputs(next, out); next = ", "; fputs("restrict", out);
}
- if(modifiers & DM_NOALIAS) {
+ if (modifiers & DM_NOALIAS) {
fputs(next, out); next = ", "; fputs("noalias", out);
}
- if(declaration->get_property_sym != NULL || declaration->put_property_sym != NULL) {
- char *comma = "";
- fputs(next, out); next = ", "; fprintf(out, "property(");
- if(declaration->get_property_sym != NULL) {
- fprintf(out, "get=%s", declaration->get_property_sym->string);
- comma = ", ";
- }
- if(declaration->put_property_sym != NULL)
- fprintf(out, "%sput=%s", comma, declaration->put_property_sym->string);
- fputc(')', out);
- }
+ }
+
+ if (ds_shown)
fputs(") ", out);
+}
+
+static void print_scope(const scope_t *scope)
+{
+ const entity_t *entity = scope->entities;
+ for ( ; entity != NULL; entity = entity->base.next) {
+ print_indent();
+ print_entity(entity);
+ fputs("\n", out);
}
}
+static void print_namespace(const namespace_t *namespace)
+{
+ fputs("namespace ", out);
+ if (namespace->base.symbol != NULL) {
+ fputs(namespace->base.symbol->string, out);
+ fputc(' ', out);
+ }
+
+ fputs("{\n", out);
+ ++indent;
+
+ print_scope(&namespace->members);
+
+ --indent;
+ print_indent();
+ fputs("}\n", out);
+}
+
/**
- * Print a declaration in the NORMAL namespace.
- *
- * @param declaration the declaration
+ * Print a variable or function declaration
*/
-static void print_normal_declaration(const declaration_t *declaration)
-{
- print_storage_class((storage_class_tag_t) declaration->declared_storage_class);
- if(declaration->is_inline) {
- if(declaration->modifiers & DM_FORCEINLINE)
- fputs("__forceinline ", out);
- else {
- if(declaration->modifiers & DM_MICROSOFT_INLINE)
+void print_declaration(const entity_t *entity)
+{
+ assert(is_declaration(entity));
+ const declaration_t *declaration = &entity->declaration;
+
+ print_storage_class((storage_class_tag_t)declaration->declared_storage_class);
+ if (entity->kind == ENTITY_FUNCTION) {
+ function_t *function = (function_t*)declaration;
+ if (function->is_inline) {
+ if (declaration->modifiers & DM_FORCEINLINE) {
+ fputs("__forceinline ", out);
+ } else if (declaration->modifiers & DM_MICROSOFT_INLINE) {
fputs("__inline ", out);
- else
+ } else {
fputs("inline ", out);
+ }
}
}
print_ms_modifiers(declaration);
- print_type_ext(declaration->type, declaration->symbol,
- &declaration->scope);
+ switch (entity->kind) {
+ case ENTITY_FUNCTION:
+ print_type_ext(entity->declaration.type, entity->base.symbol,
+ &entity->function.parameters);
+
+ if (entity->function.statement != NULL) {
+ fputc('\n', out);
+ print_indent();
+ print_statement(entity->function.statement);
+ return;
+ }
+ break;
- if(declaration->type->kind == 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_initializer(declaration->init.initializer);
+ case ENTITY_VARIABLE:
+ if (entity->variable.thread_local)
+ fputs("__thread ", out);
+ print_type_ext(declaration->type, declaration->base.symbol, NULL);
+ if (entity->variable.initializer != NULL) {
+ fputs(" = ", out);
+ print_initializer(entity->variable.initializer);
+ }
+ break;
+
+ default:
+ print_type_ext(declaration->type, declaration->base.symbol, NULL);
+ break;
}
fputc(';', out);
}
*
* @param expression the expression
*/
-void print_expression(const expression_t *expression) {
+void print_expression(const expression_t *expression)
+{
print_expression_prec(expression, PREC_BOTTOM);
}
*
* @param declaration the declaration
*/
-void print_declaration(const declaration_t *declaration)
+void print_entity(const entity_t *entity)
{
- if(declaration->namespc != NAMESPACE_NORMAL &&
- declaration->symbol == NULL)
+ if (entity->base.namespc != NAMESPACE_NORMAL && entity->base.symbol == NULL)
return;
- switch(declaration->namespc) {
- case NAMESPACE_NORMAL:
- print_normal_declaration(declaration);
- break;
- case NAMESPACE_STRUCT:
+ switch ((entity_kind_tag_t)entity->kind) {
+ case ENTITY_VARIABLE:
+ case ENTITY_PARAMETER:
+ case ENTITY_COMPOUND_MEMBER:
+ print_declaration(entity);
+ return;
+ case ENTITY_FUNCTION:
+ print_declaration(entity);
+ return;
+ case ENTITY_TYPEDEF:
+ print_typedef(entity);
+ return;
+ case ENTITY_STRUCT:
fputs("struct ", out);
- fputs(declaration->symbol->string, out);
- fputc(' ', out);
- print_compound_definition(declaration);
+ fputs(entity->base.symbol->string, out);
+ if (entity->structe.complete) {
+ fputc(' ', out);
+ print_compound_definition(&entity->structe);
+ }
fputc(';', out);
- break;
- case NAMESPACE_UNION:
+ return;
+ case ENTITY_UNION:
fputs("union ", out);
- fputs(declaration->symbol->string, out);
- fputc(' ', out);
- print_compound_definition(declaration);
+ fputs(entity->base.symbol->string, out);
+ if (entity->unione.complete) {
+ fputc(' ', out);
+ print_compound_definition(&entity->unione);
+ }
fputc(';', out);
- break;
- case NAMESPACE_ENUM:
+ return;
+ case ENTITY_ENUM:
fputs("enum ", out);
- fputs(declaration->symbol->string, out);
+ fputs(entity->base.symbol->string, out);
fputc(' ', out);
- print_enum_definition(declaration);
+ print_enum_definition(&entity->enume);
fputc(';', out);
+ return;
+ case ENTITY_NAMESPACE:
+ print_namespace(&entity->namespacee);
+ return;
+ case ENTITY_LABEL:
+ case ENTITY_ENUM_VALUE:
+ case ENTITY_LOCAL_LABEL:
+ panic("print_entity used on unexpected entity type");
+ case ENTITY_INVALID:
break;
}
+ panic("Invalid entity type encountered");
}
/**
{
inc_type_visited();
- declaration_t *declaration = unit->scope.declarations;
- for( ; declaration != NULL; declaration = declaration->next) {
- if(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY)
+ entity_t *entity = unit->scope.entities;
+ for ( ; entity != NULL; entity = entity->base.next) {
+ if (entity->kind == ENTITY_ENUM_VALUE)
continue;
- if(declaration->namespc != NAMESPACE_NORMAL &&
- declaration->symbol == NULL)
+ if (entity->base.namespc != NAMESPACE_NORMAL
+ && entity->base.symbol == NULL)
+ continue;
+ if (is_generated_entity(entity))
continue;
print_indent();
- print_declaration(declaration);
+ print_entity(entity);
fputc('\n', out);
}
}
bool is_constant_initializer(const initializer_t *initializer)
{
- switch(initializer->kind) {
+ switch (initializer->kind) {
case INITIALIZER_STRING:
case INITIALIZER_WIDE_STRING:
case INITIALIZER_DESIGNATOR:
return is_constant_expression(initializer->value.value);
case INITIALIZER_LIST:
- for(size_t i = 0; i < initializer->list.len; ++i) {
+ for (size_t i = 0; i < initializer->list.len; ++i) {
initializer_t *sub_initializer = initializer->list.initializers[i];
- if(!is_constant_initializer(sub_initializer))
+ if (!is_constant_initializer(sub_initializer))
return false;
}
return true;
static bool is_object_with_linker_constant_address(const expression_t *expression)
{
- switch(expression->kind) {
+ switch (expression->kind) {
case EXPR_UNARY_DEREFERENCE:
return is_address_constant(expression->unary.value);
case EXPR_SELECT: {
- if(is_type_pointer(expression->select.compound->base.type)) {
+ type_t *base_type = skip_typeref(expression->select.compound->base.type);
+ if (is_type_pointer(base_type)) {
/* it's a -> */
return is_address_constant(expression->select.compound);
} else {
&& is_address_constant(expression->array_access.array_ref);
case EXPR_REFERENCE: {
- declaration_t *declaration = expression->reference.declaration;
- switch((storage_class_tag_t) declaration->storage_class) {
- case STORAGE_CLASS_NONE:
- case STORAGE_CLASS_EXTERN:
- case STORAGE_CLASS_STATIC:
- return true;
- default:
- return false;
+ entity_t *entity = expression->reference.entity;
+ if (is_declaration(entity)) {
+ switch ((storage_class_tag_t)entity->declaration.storage_class) {
+ case STORAGE_CLASS_NONE:
+ case STORAGE_CLASS_EXTERN:
+ case STORAGE_CLASS_STATIC:
+ return
+ entity->kind != ENTITY_VARIABLE ||
+ !entity->variable.thread_local;
+
+ case STORAGE_CLASS_REGISTER:
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_AUTO:
+ break;
+ }
}
+ return false;
}
default:
bool is_address_constant(const expression_t *expression)
{
- switch(expression->kind) {
+ switch (expression->kind) {
case EXPR_UNARY_TAKE_ADDRESS:
return is_object_with_linker_constant_address(expression->unary.value);
type_t *real_type
= revert_automatic_type_conversion(expression->unary.value);
/* dereferencing a function is a NOP */
- if(is_type_function(real_type)) {
+ if (is_type_function(real_type)) {
return is_address_constant(expression->unary.value);
}
-
- /* fallthrough */
+ /* FALLTHROUGH */
}
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()))))
+ 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())
+ ))
return false;
return (is_constant_expression(expression->unary.value)
expression_t *left = expression->binary.left;
expression_t *right = expression->binary.right;
- if(is_type_pointer(skip_typeref(left->base.type))) {
+ if (is_type_pointer(skip_typeref(left->base.type))) {
return is_address_constant(left) && is_constant_expression(right);
- } else if(is_type_pointer(skip_typeref(right->base.type))) {
+ } else if (is_type_pointer(skip_typeref(right->base.type))) {
return is_constant_expression(left) && is_address_constant(right);
}
}
case EXPR_REFERENCE: {
- declaration_t *declaration = expression->reference.declaration;
- type_t *type = skip_typeref(declaration->type);
- if(is_type_function(type))
+ entity_t *entity = expression->reference.entity;
+ if (!is_declaration(entity))
+ return false;
+
+ type_t *type = skip_typeref(entity->declaration.type);
+ if (is_type_function(type))
return true;
- if(is_type_array(type)) {
+ if (is_type_array(type)) {
return is_object_with_linker_constant_address(expression);
}
+ /* Prevent stray errors */
+ if (!is_type_valid(type))
+ return true;
return false;
}
+ case EXPR_ARRAY_ACCESS: {
+ type_t *const type =
+ skip_typeref(revert_automatic_type_conversion(expression));
+ return
+ is_type_array(type) &&
+ is_constant_expression(expression->array_access.index) &&
+ is_address_constant(expression->array_access.array_ref);
+ }
+
default:
return false;
}
switch (symbol->ID) {
case T___builtin_huge_val:
+ case T___builtin_inf:
+ case T___builtin_inff:
+ case T___builtin_infl:
case T___builtin_nan:
case T___builtin_nanf:
- case T___builtin_nand:
+ case T___builtin_nanl:
return true;
}
return true;
switch (expression->kind) {
- case EXPR_SELECT:
- return is_constant_pointer(expression->select.compound);
case EXPR_UNARY_CAST:
return is_constant_pointer(expression->unary.value);
default:
static bool is_object_with_constant_address(const expression_t *expression)
{
- switch(expression->kind) {
+ switch (expression->kind) {
case EXPR_SELECT: {
expression_t *compound = expression->select.compound;
type_t *compound_type = compound->base.type;
compound_type = skip_typeref(compound_type);
- if(is_type_pointer(compound_type)) {
+ if (is_type_pointer(compound_type)) {
return is_constant_pointer(compound);
} else {
return is_object_with_constant_address(compound);
}
}
- case EXPR_ARRAY_ACCESS:
- return is_constant_pointer(expression->array_access.array_ref)
- && is_constant_expression(expression->array_access.index);
+
+ case EXPR_ARRAY_ACCESS: {
+ array_access_expression_t const* const array_access =
+ &expression->array_access;
+ return
+ is_constant_expression(array_access->index) && (
+ is_object_with_constant_address(array_access->array_ref) ||
+ is_constant_pointer(array_access->array_ref)
+ );
+ }
+
case EXPR_UNARY_DEREFERENCE:
return is_constant_pointer(expression->unary.value);
default:
bool is_constant_expression(const expression_t *expression)
{
- switch(expression->kind) {
+ switch (expression->kind) {
case EXPR_CONST:
case EXPR_CHARACTER_CONSTANT:
case EXPR_WIDE_CHARACTER_CONSTANT:
case EXPR_STRING_LITERAL:
case EXPR_WIDE_STRING_LITERAL:
- case EXPR_SIZEOF:
case EXPR_CLASSIFY_TYPE:
case EXPR_FUNCNAME:
case EXPR_OFFSETOF:
case EXPR_ALIGNOF:
case EXPR_BUILTIN_CONSTANT_P:
+ case EXPR_LABEL_ADDRESS:
+ case EXPR_REFERENCE_ENUM_VALUE:
return true;
+ case EXPR_SIZEOF: {
+ type_t *type = expression->typeprop.type;
+ if (type == NULL)
+ type = expression->typeprop.tp_expression->base.type;
+
+ type = skip_typeref(type);
+ if (is_type_array(type) && type->array.is_vla)
+ return false;
+ return true;
+ }
+
case EXPR_BUILTIN_SYMBOL:
case EXPR_BUILTIN_PREFETCH:
case EXPR_SELECT:
case EXPR_VA_START:
case EXPR_VA_ARG:
case EXPR_STATEMENT:
+ case EXPR_REFERENCE:
case EXPR_UNARY_POSTFIX_INCREMENT:
case EXPR_UNARY_POSTFIX_DECREMENT:
case EXPR_UNARY_PREFIX_INCREMENT:
case EXPR_UNARY_PREFIX_DECREMENT:
case EXPR_UNARY_ASSUME: /* has VOID type */
case EXPR_UNARY_DEREFERENCE:
+ case EXPR_UNARY_DELETE:
+ case EXPR_UNARY_DELETE_ARRAY:
+ case EXPR_UNARY_THROW:
case EXPR_BINARY_ASSIGN:
case EXPR_BINARY_MUL_ASSIGN:
case EXPR_BINARY_DIV_ASSIGN:
case EXPR_BINARY_BITWISE_XOR_ASSIGN:
case EXPR_BINARY_BITWISE_OR_ASSIGN:
case EXPR_BINARY_COMMA:
+ case EXPR_ARRAY_ACCESS:
return false;
case EXPR_UNARY_TAKE_ADDRESS:
case EXPR_BINARY_LOGICAL_OR:
case EXPR_BINARY_SHIFTLEFT:
case EXPR_BINARY_SHIFTRIGHT:
- case EXPR_BINARY_BUILTIN_EXPECT:
case EXPR_BINARY_ISGREATER:
case EXPR_BINARY_ISGREATEREQUAL:
case EXPR_BINARY_ISLESS:
case EXPR_CONDITIONAL: {
expression_t *condition = expression->conditional.condition;
- if(!is_constant_expression(condition))
+ if (!is_constant_expression(condition))
return false;
long val = fold_constant(condition);
- if(val != 0)
+ if (val != 0)
return is_constant_expression(expression->conditional.true_expression);
else
return is_constant_expression(expression->conditional.false_expression);
}
- case EXPR_ARRAY_ACCESS:
- return is_constant_expression(expression->array_access.array_ref)
- && is_constant_expression(expression->array_access.index);
-
- case EXPR_REFERENCE: {
- declaration_t *declaration = expression->reference.declaration;
- if(declaration->storage_class == STORAGE_CLASS_ENUM_ENTRY)
- return true;
-
- return false;
- }
-
case EXPR_INVALID:
return true;
projects / cparser / blobdiff