/*
* This file is part of cparser.
- * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ * Copyright (C) 2007-2009 Matthias Braun <matze@braunis.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#include "parser.h"
#include "lang_features.h"
#include "entity_t.h"
+#include "printer.h"
+#include "types.h"
#include <assert.h>
#include <stdio.h>
struct obstack ast_obstack;
-static FILE *out;
-static int indent;
+static int indent;
+static int case_indent;
-/** If set, implicit casts are printed. */
bool print_implicit_casts = false;
-
-/** If set parenthesis are printed to indicate operator precedence. */
bool print_parenthesis = false;
static void print_statement(const statement_t *statement);
void print_indent(void)
{
for (int i = 0; i < indent; ++i)
- fputc('\t', out);
+ print_char('\t');
+}
+
+static void print_stringrep(const string_t *string)
+{
+ for (size_t i = 0; i < string->size; ++i) {
+ print_char(string->begin[i]);
+ }
}
/**
static int right_to_left(unsigned precedence)
{
switch (precedence) {
- case PREC_ASSIGNMENT:
- case PREC_CONDITIONAL:
- case PREC_UNARY:
- return 1;
+ case PREC_ASSIGNMENT:
+ case PREC_CONDITIONAL:
+ case PREC_UNARY:
+ return 1;
- default:
- return 0;
+ default:
+ return 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_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_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)) {
- 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)) {
- 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);
-}
-
/**
* 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)
{
- fputc(border, out);
+ print_char(border);
const char *end = string->begin + string->size - skip;
for (const char *c = string->begin; c != end; ++c) {
- unsigned char const tc = *c;
+ const char tc = *c;
if (tc == border) {
- fputc('\\', out);
+ print_char('\\');
}
switch (tc) {
- case '\\': fputs("\\\\", out); break;
- case '\a': fputs("\\a", out); break;
- case '\b': fputs("\\b", out); break;
- case '\f': fputs("\\f", out); break;
- case '\n': fputs("\\n", out); break;
- case '\r': fputs("\\r", out); break;
- case '\t': fputs("\\t", out); break;
- case '\v': fputs("\\v", out); break;
- case '\?': fputs("\\?", out); 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) {
- fputs("\\e", out); break;
+ print_string("\\e"); break;
}
/* FALLTHROUGH */
default:
- if (tc < 0x80 && !isprint(tc)) {
- fprintf(out, "\\%03o", (unsigned)tc);
+ if ((unsigned)tc < 0x80 && !isprint(tc)) {
+ print_format("\\%03o", (unsigned)tc);
} else {
- fputc(tc, out);
+ print_char(tc);
}
break;
}
}
- fputc(border, out);
-}
-
-/**
- * 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)
-{
- fputc('L', out);
- fputc(border, out);
- 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'\a': fputs("\\a", out); break;
- case L'\b': fputs("\\b", out); break;
- case L'\f': fputs("\\f", out); break;
- case L'\n': fputs("\\n", out); break;
- case L'\r': fputs("\\r", 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)) {
- fputc(*c, out);
- } else {
- fprintf(out, "\\%03o", tc);
- }
- } else if (tc < 0x800) {
- fputc(0xC0 | (tc >> 6), out);
- fputc(0x80 | (tc & 0x3F), out);
- } else if (tc < 0x10000) {
- fputc(0xE0 | ( tc >> 12), out);
- fputc(0x80 | ((tc >> 6) & 0x3F), out);
- fputc(0x80 | ( tc & 0x3F), out);
- } else {
- fputc(0xF0 | ( tc >> 18), out);
- fputc(0x80 | ((tc >> 12) & 0x3F), out);
- fputc(0x80 | ((tc >> 6) & 0x3F), out);
- fputc(0x80 | ( tc & 0x3F), out);
- }
- }
- }
- }
- fputc(border, out);
+ print_char(border);
}
-/**
- * Print a constant character expression.
- *
- * @param cnst the constant character expression
- */
-static void print_character_constant(const const_expression_t *cnst)
+static void print_string_literal(const string_literal_expression_t *literal)
{
- print_quoted_string(&cnst->v.character, '\'', 0);
+ if (literal->base.kind == EXPR_WIDE_STRING_LITERAL) {
+ print_char('L');
+ }
+ print_quoted_string(&literal->value, '"', 1);
}
-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.size > 0)
+ print_stringrep(&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");
}
/**
case FUNCNAME_FUNCSIG: s = "__FUNCSIG__"; break;
case FUNCNAME_FUNCDNAME: s = "__FUNCDNAME__"; break;
}
- fputs(s, out);
-}
-
-static void print_wide_string_literal(
- const wide_string_literal_expression_t *const wstr)
-{
- print_quoted_wide_string(&wstr->value, '"', 1);
+ print_string(s);
}
static void print_compound_literal(
const compound_literal_expression_t *expression)
{
- fputc('(', out);
+ print_char('(');
print_type(expression->type);
- fputc(')', out);
+ print_char(')');
print_initializer(expression->initializer);
}
static void print_call_expression(const call_expression_t *call)
{
print_expression_prec(call->function, PREC_POSTFIX);
- fputc('(', out);
+ print_char('(');
call_argument_t *argument = call->arguments;
int first = 1;
while (argument != NULL) {
if (!first) {
- fputs(", ", out);
+ print_string(", ");
} else {
first = 0;
}
argument = argument->next;
}
- fputc(')', out);
+ print_char(')');
}
/**
case EXPR_BINARY_SHIFTRIGHT_ASSIGN: op = " >>= "; break;
default: panic("invalid binexpression found");
}
- fputs(op, out);
+ print_string(op);
print_expression_prec(binexpr->right, prec + 1 - r2l);
}
{
unsigned prec = get_expression_precedence(unexpr->base.kind);
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_NEGATE: print_char ('-' ); break;
+ case EXPR_UNARY_PLUS: print_char ('+' ); break;
+ case EXPR_UNARY_NOT: print_char ('!' ); break;
+ case EXPR_UNARY_BITWISE_NEGATE: print_char ('~' ); break;
+ case EXPR_UNARY_PREFIX_INCREMENT: print_string("++"); break;
+ case EXPR_UNARY_PREFIX_DECREMENT: print_string("--"); break;
+ case EXPR_UNARY_DEREFERENCE: print_char ('*' ); break;
+ case EXPR_UNARY_TAKE_ADDRESS: print_char ('&' ); break;
+ case EXPR_UNARY_DELETE: print_string("delete "); break;
+ case EXPR_UNARY_DELETE_ARRAY: print_string("delete [] "); break;
case EXPR_UNARY_POSTFIX_INCREMENT:
print_expression_prec(unexpr->value, prec);
- fputs("++", out);
+ print_string("++");
return;
case EXPR_UNARY_POSTFIX_DECREMENT:
print_expression_prec(unexpr->value, prec);
- fputs("--", out);
+ print_string("--");
return;
- case EXPR_UNARY_CAST_IMPLICIT:
case EXPR_UNARY_CAST:
- fputc('(', out);
+ print_char('(');
print_type(unexpr->base.type);
- fputc(')', out);
+ print_char(')');
break;
case EXPR_UNARY_ASSUME:
- fputs("__assume(", out);
+ print_string("__assume(");
print_assignment_expression(unexpr->value);
- fputc(')', out);
+ print_char(')');
return;
case EXPR_UNARY_THROW:
if (unexpr->value == NULL) {
- fputs("throw", out);
+ print_string("throw");
return;
}
- fputs("throw ", out);
+ print_string("throw ");
break;
default:
*/
static void print_reference_expression(const reference_expression_t *ref)
{
- fputs(ref->entity->base.symbol->string, out);
+ print_string(ref->entity->base.symbol->string);
}
/**
*/
static void print_label_address_expression(const label_address_expression_t *le)
{
- fprintf(out, "&&%s", le->label->base.symbol->string);
+ print_format("&&%s", le->label->base.symbol->string);
}
/**
{
if (!expression->flipped) {
print_expression_prec(expression->array_ref, PREC_POSTFIX);
- fputc('[', out);
+ print_char('[');
print_expression(expression->index);
- fputc(']', out);
+ print_char(']');
} else {
print_expression_prec(expression->index, PREC_POSTFIX);
- fputc('[', out);
+ print_char('[');
print_expression(expression->array_ref);
- fputc(']', out);
+ print_char(']');
}
}
static void print_typeprop_expression(const typeprop_expression_t *expression)
{
if (expression->base.kind == EXPR_SIZEOF) {
- fputs("sizeof", out);
+ print_string("sizeof");
} else {
assert(expression->base.kind == EXPR_ALIGNOF);
- fputs("__alignof__", out);
+ print_string("__alignof__");
}
if (expression->tp_expression != NULL) {
/* PREC_TOP: always print the '()' here, sizeof x is right but unusual */
print_expression_prec(expression->tp_expression, PREC_TOP);
} else {
- fputc('(', out);
+ print_char('(');
print_type(expression->type);
- fputc(')', out);
+ print_char(')');
}
}
*/
static void print_builtin_constant(const builtin_constant_expression_t *expression)
{
- fputs("__builtin_constant_p(", out);
+ print_string("__builtin_constant_p(");
print_assignment_expression(expression->value);
- fputc(')', out);
+ print_char(')');
}
/**
static void print_builtin_types_compatible(
const builtin_types_compatible_expression_t *expression)
{
- fputs("__builtin_types_compatible_p(", out);
+ print_string("__builtin_types_compatible_p(");
print_type(expression->left);
- fputs(", ", out);
+ print_string(", ");
print_type(expression->right);
- fputc(')', out);
+ print_char(')');
}
/**
{
print_expression_prec(expression->condition, PREC_LOGICAL_OR);
if (expression->true_expression != NULL) {
- fputs(" ? ", out);
+ print_string(" ? ");
print_expression_prec(expression->true_expression, PREC_EXPRESSION);
- fputs(" : ", out);
+ print_string(" : ");
} else {
- fputs(" ?: ", out);
+ print_string(" ?: ");
}
precedence_t prec = c_mode & _CXX ? PREC_ASSIGNMENT : PREC_CONDITIONAL;
print_expression_prec(expression->false_expression, prec);
*/
static void print_va_start(const va_start_expression_t *const expression)
{
- fputs("__builtin_va_start(", out);
+ print_string("__builtin_va_start(");
print_assignment_expression(expression->ap);
- fputs(", ", out);
- fputs(expression->parameter->base.base.symbol->string, out);
- fputc(')', out);
+ print_string(", ");
+ print_string(expression->parameter->base.base.symbol->string);
+ print_char(')');
}
/**
*/
static void print_va_arg(const va_arg_expression_t *expression)
{
- fputs("__builtin_va_arg(", out);
+ print_string("__builtin_va_arg(");
print_assignment_expression(expression->ap);
- fputs(", ", out);
+ print_string(", ");
print_type(expression->base.type);
- fputc(')', out);
+ print_char(')');
}
/**
*/
static void print_va_copy(const va_copy_expression_t *expression)
{
- fputs("__builtin_va_copy(", out);
+ print_string("__builtin_va_copy(");
print_assignment_expression(expression->dst);
- fputs(", ", out);
+ print_string(", ");
print_assignment_expression(expression->src);
- fputc(')', out);
+ print_char(')');
}
/**
static void print_select(const select_expression_t *expression)
{
print_expression_prec(expression->compound, PREC_POSTFIX);
+ /* do not print anything for anonymous struct/union selects
+ * FIXME: if the anonymous select was a '->' this will print '.'
+ */
+ if (expression->compound_entry->base.symbol == NULL)
+ return;
+
if (is_type_pointer(skip_typeref(expression->compound->base.type))) {
- fputs("->", out);
+ print_string("->");
} else {
- fputc('.', out);
+ print_char('.');
}
- fputs(expression->compound_entry->base.symbol->string, out);
+ print_string(expression->compound_entry->base.symbol->string);
}
/**
static void print_classify_type_expression(
const classify_type_expression_t *const expr)
{
- fputs("__builtin_classify_type(", out);
+ print_string("__builtin_classify_type(");
print_assignment_expression(expr->type_expression);
- fputc(')', out);
+ print_char(')');
}
/**
{
for ( ; designator != NULL; designator = designator->next) {
if (designator->symbol == NULL) {
- fputc('[', out);
+ print_char('[');
print_expression(designator->array_index);
- fputc(']', out);
+ print_char(']');
} else {
- fputc('.', out);
- fputs(designator->symbol->string, out);
+ print_char('.');
+ print_string(designator->symbol->string);
}
}
}
*/
static void print_offsetof_expression(const offsetof_expression_t *expression)
{
- fputs("__builtin_offsetof(", out);
+ print_string("__builtin_offsetof(");
print_type(expression->type);
- fputc(',', out);
+ print_char(',');
print_designator(expression->designator);
- fputc(')', out);
+ print_char(')');
}
/**
*/
static void print_statement_expression(const statement_expression_t *expression)
{
- fputc('(', out);
+ print_char('(');
print_statement(expression->statement);
- fputc(')', out);
+ print_char(')');
}
/**
*/
static void print_expression_prec(const expression_t *expression, unsigned top_prec)
{
- if (expression->kind == EXPR_UNARY_CAST_IMPLICIT && !print_implicit_casts) {
+ if (expression->kind == EXPR_UNARY_CAST
+ && expression->base.implicit && !print_implicit_casts) {
expression = expression->unary.value;
}
top_prec > get_expression_precedence(expression->base.kind);
if (parenthesized)
- fputc('(', out);
+ print_char('(');
switch (expression->kind) {
- case EXPR_UNKNOWN:
- case EXPR_INVALID:
- fputs("$invalid expression$", out);
- break;
- case EXPR_CHARACTER_CONSTANT:
- print_character_constant(&expression->conste);
+ case EXPR_ERROR:
+ print_string("$error$");
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;
case EXPR_STATEMENT:
print_statement_expression(&expression->statement);
break;
+ }
+ if (parenthesized)
+ print_char(')');
+}
+
+static void print_indented_statement(statement_t const *const stmt)
+{
+ switch (stmt->kind) {
+ case STATEMENT_LABEL:
+ break;
+
+ case STATEMENT_CASE_LABEL:
+ for (int i = 0; i != case_indent; ++i)
+ print_char('\t');
+ break;
default:
- /* TODO */
- fprintf(out, "some expression of type %d", (int)expression->kind);
+ print_indent();
break;
}
- if (parenthesized)
- fputc(')', out);
+ print_statement(stmt);
}
/**
*/
static void print_compound_statement(const compound_statement_t *block)
{
- fputs("{\n", out);
+ print_string("{\n");
++indent;
statement_t *statement = block->statements;
while (statement != NULL) {
- if (statement->base.kind == STATEMENT_CASE_LABEL)
- --indent;
- if (statement->kind != STATEMENT_LABEL)
- print_indent();
- print_statement(statement);
+ print_indented_statement(statement);
+ print_char('\n');
statement = statement->base.next;
}
--indent;
print_indent();
- fputs(block->stmt_expr ? "}" : "}\n", out);
+ print_char('}');
}
/**
{
expression_t const *const val = statement->value;
if (val != NULL) {
- fputs("return ", out);
+ print_string("return ");
print_expression(val);
- fputs(";\n", out);
+ print_char(';');
} else {
- fputs("return;\n", out);
+ print_string("return;");
}
}
static void print_expression_statement(const expression_statement_t *statement)
{
print_expression(statement->expression);
- fputs(";\n", out);
+ print_char(';');
}
/**
*/
static void print_goto_statement(const goto_statement_t *statement)
{
- fputs("goto ", out);
+ print_string("goto ");
if (statement->expression != NULL) {
- fputc('*', out);
+ print_char('*');
print_expression(statement->expression);
} else {
- fputs(statement->label->base.symbol->string, out);
+ print_string(statement->label->base.symbol->string);
}
- fputs(";\n", out);
+ print_char(';');
}
/**
*/
static void print_label_statement(const label_statement_t *statement)
{
- fprintf(out, "%s:\n", statement->label->base.symbol->string);
- print_indent();
- print_statement(statement->statement);
+ print_format("%s:\n", statement->label->base.symbol->string);
+ print_indented_statement(statement->statement);
+}
+
+static void print_inner_statement(statement_t const *const stmt)
+{
+ if (stmt->kind == STATEMENT_COMPOUND) {
+ print_char(' ');
+ print_compound_statement(&stmt->compound);
+ } else {
+ print_char('\n');
+ ++indent;
+ print_indented_statement(stmt);
+ --indent;
+ }
+}
+
+static void print_after_inner_statement(statement_t const *const stmt)
+{
+ if (stmt->kind == STATEMENT_COMPOUND) {
+ print_char(' ');
+ } else {
+ print_char('\n');
+ print_indent();
+ }
}
/**
*/
static void print_if_statement(const if_statement_t *statement)
{
- fputs("if (", out);
+ print_string("if (");
print_expression(statement->condition);
- fputs(") ", out);
- print_statement(statement->true_statement);
-
- if (statement->false_statement != NULL) {
- print_indent();
- fputs("else ", out);
- print_statement(statement->false_statement);
+ print_char(')');
+ print_inner_statement(statement->true_statement);
+
+ statement_t const *const f = statement->false_statement;
+ if (f) {
+ print_after_inner_statement(statement->true_statement);
+ print_string("else");
+ if (f->kind == STATEMENT_IF) {
+ print_char(' ');
+ print_if_statement(&f->ifs);
+ } else {
+ print_inner_statement(f);
+ }
}
}
*/
static void print_switch_statement(const switch_statement_t *statement)
{
- fputs("switch (", out);
+ int const old_case_indent = case_indent;
+ case_indent = indent;
+
+ print_string("switch (");
print_expression(statement->expression);
- fputs(") ", out);
- print_statement(statement->body);
+ print_char(')');
+ print_inner_statement(statement->body);
+
+ case_indent = old_case_indent;
}
/**
static void print_case_label(const case_label_statement_t *statement)
{
if (statement->expression == NULL) {
- fputs("default:\n", out);
+ print_string("default:\n");
} else {
- fputs("case ", out);
+ print_string("case ");
print_expression(statement->expression);
if (statement->end_range != NULL) {
- fputs(" ... ", out);
+ print_string(" ... ");
print_expression(statement->end_range);
}
- fputs(":\n", out);
- }
- ++indent;
- if (statement->statement != NULL) {
- if (statement->statement->base.kind == STATEMENT_CASE_LABEL) {
- --indent;
- }
- print_indent();
- print_statement(statement->statement);
+ print_string(":\n");
}
+ print_indented_statement(statement->statement);
}
static void print_typedef(const entity_t *entity)
{
- fputs("typedef ", out);
+ print_string("typedef ");
print_type_ext(entity->typedefe.type, entity->base.symbol, NULL);
- fputc(';', out);
+ print_char(';');
}
/**
bool first = true;
entity_t *entity = statement->declarations_begin;
if (entity == NULL) {
- fputs("/* empty declaration statement */\n", out);
+ print_string("/* empty declaration statement */");
return;
}
continue;
if (!first) {
+ print_char('\n');
print_indent();
} else {
first = false;
}
print_entity(entity);
- fputc('\n', out);
}
}
*/
static void print_while_statement(const while_statement_t *statement)
{
- fputs("while (", out);
+ print_string("while (");
print_expression(statement->condition);
- fputs(") ", out);
- print_statement(statement->body);
+ print_char(')');
+ print_inner_statement(statement->body);
}
/**
*/
static void print_do_while_statement(const do_while_statement_t *statement)
{
- fputs("do ", out);
- print_statement(statement->body);
- print_indent();
- fputs("while (", out);
+ print_string("do");
+ print_inner_statement(statement->body);
+ print_after_inner_statement(statement->body);
+ print_string("while (");
print_expression(statement->condition);
- fputs(");\n", out);
+ print_string(");");
}
/**
*/
static void print_for_statement(const for_statement_t *statement)
{
- fputs("for (", out);
+ print_string("for (");
if (statement->initialisation != NULL) {
print_expression(statement->initialisation);
- fputc(';', out);
+ print_char(';');
} else {
entity_t const *entity = statement->scope.entities;
for (; entity != NULL; entity = entity->base.next) {
}
}
if (statement->condition != NULL) {
- fputc(' ', out);
+ print_char(' ');
print_expression(statement->condition);
}
- fputc(';', out);
+ print_char(';');
if (statement->step != NULL) {
- fputc(' ', out);
+ print_char(' ');
print_expression(statement->step);
}
- fputs(") ", out);
- print_statement(statement->body);
+ print_char(')');
+ print_inner_statement(statement->body);
}
/**
asm_argument_t *argument = arguments;
for (; argument != NULL; argument = argument->next) {
if (argument != arguments)
- fputs(", ", out);
+ print_string(", ");
if (argument->symbol) {
- fprintf(out, "[%s] ", argument->symbol->string);
+ print_format("[%s] ", argument->symbol->string);
}
print_quoted_string(&argument->constraints, '"', 1);
- fputs(" (", out);
+ print_string(" (");
print_expression(argument->expression);
- fputc(')', out);
+ print_char(')');
}
}
asm_clobber_t *clobber = clobbers;
for (; clobber != NULL; clobber = clobber->next) {
if (clobber != clobbers)
- fputs(", ", out);
+ print_string(", ");
print_quoted_string(&clobber->clobber, '"', 1);
}
*/
static void print_asm_statement(const asm_statement_t *statement)
{
- fputs("asm ", out);
+ print_string("asm ");
if (statement->is_volatile) {
- fputs("volatile ", out);
+ print_string("volatile ");
}
- fputc('(', out);
+ print_char('(');
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_string(" : ");
print_asm_arguments(statement->outputs);
if (statement->inputs == NULL && statement->clobbers == NULL)
goto end_of_print_asm_statement;
- fputs(" : ", out);
+ print_string(" : ");
print_asm_arguments(statement->inputs);
if (statement->clobbers == NULL)
goto end_of_print_asm_statement;
- fputs(" : ", out);
+ print_string(" : ");
print_asm_clobbers(statement->clobbers);
end_of_print_asm_statement:
- fputs(");\n", out);
+ print_string(");");
}
/**
*/
static void print_ms_try_statement(const ms_try_statement_t *statement)
{
- fputs("__try ", out);
- print_statement(statement->try_statement);
- print_indent();
+ print_string("__try");
+ print_inner_statement(statement->try_statement);
+ print_after_inner_statement(statement->try_statement);
if (statement->except_expression != NULL) {
- fputs("__except(", out);
+ print_string("__except(");
print_expression(statement->except_expression);
- fputs(") ", out);
+ print_char(')');
} else {
- fputs("__finally ", out);
+ print_string("__finally");
}
- print_statement(statement->final_statement);
+ print_inner_statement(statement->final_statement);
}
/**
static void print_leave_statement(const leave_statement_t *statement)
{
(void)statement;
- fputs("__leave;\n", out);
+ print_string("__leave;");
}
/**
{
switch (statement->kind) {
case STATEMENT_EMPTY:
- fputs(";\n", out);
+ print_char(';');
break;
case STATEMENT_COMPOUND:
print_compound_statement(&statement->compound);
print_goto_statement(&statement->gotos);
break;
case STATEMENT_CONTINUE:
- fputs("continue;\n", out);
+ print_string("continue;");
break;
case STATEMENT_BREAK:
- fputs("break;\n", out);
+ print_string("break;");
break;
case STATEMENT_IF:
print_if_statement(&statement->ifs);
case STATEMENT_LEAVE:
print_leave_statement(&statement->leave);
break;
- case STATEMENT_INVALID:
- fputs("$invalid statement$\n", out);
+ case STATEMENT_ERROR:
+ print_string("$error statement$");
break;
}
}
{
switch (storage_class) {
case STORAGE_CLASS_NONE: return;
- case STORAGE_CLASS_TYPEDEF: fputs("typedef ", out); return;
- case STORAGE_CLASS_EXTERN: fputs("extern ", out); return;
- case STORAGE_CLASS_STATIC: fputs("static ", out); return;
- case STORAGE_CLASS_AUTO: fputs("auto ", out); return;
- case STORAGE_CLASS_REGISTER: fputs("register ", out); return;
+ case STORAGE_CLASS_TYPEDEF: print_string("typedef "); return;
+ case STORAGE_CLASS_EXTERN: print_string("extern "); return;
+ case STORAGE_CLASS_STATIC: print_string("static "); return;
+ case STORAGE_CLASS_AUTO: print_string("auto "); return;
+ case STORAGE_CLASS_REGISTER: print_string("register "); return;
}
panic("invalid storage class");
}
void print_initializer(const initializer_t *initializer)
{
if (initializer == NULL) {
- fputs("{}", out);
+ print_string("{}");
return;
}
}
case INITIALIZER_LIST: {
assert(initializer->kind == INITIALIZER_LIST);
- fputs("{ ", out);
+ print_string("{ ");
const initializer_list_t *list = &initializer->list;
for (size_t i = 0 ; i < list->len; ++i) {
print_initializer(list->initializers[i]);
if (i < list->len-1) {
if (sub_init == NULL || sub_init->kind != INITIALIZER_DESIGNATOR)
- fputs(", ", out);
+ print_string(", ");
}
}
- fputs(" }", out);
+ print_string(" }");
return;
}
case INITIALIZER_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);
- fputs(" = ", out);
+ print_string(" = ");
return;
}
|| variable->get_property_sym != NULL
|| variable->put_property_sym != NULL) {
if (!ds_shown) {
- fputs("__declspec", out);
+ print_string("__declspec");
ds_shown = true;
}
if (variable->alignment != 0) {
- fputs(next, out); next = ", "; fprintf(out, "align(%u)", variable->alignment);
+ print_string(next); next = ", "; print_format("align(%u)", variable->alignment);
}
if (variable->get_property_sym != NULL
|| variable->put_property_sym != NULL) {
char *comma = "";
- fputs(next, out); next = ", "; fputs("property(", out);
+ print_string(next); next = ", "; print_string("property(");
if (variable->get_property_sym != NULL) {
- fprintf(out, "get=%s", variable->get_property_sym->string);
+ print_format("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);
+ print_format("%sput=%s", comma, variable->put_property_sym->string);
+ print_char(')');
}
}
}
/* DM_FORCEINLINE handled outside. */
if ((modifiers & ~DM_FORCEINLINE) != 0) {
if (!ds_shown) {
- fputs("__declspec", out);
+ print_string("__declspec");
ds_shown = true;
}
if (modifiers & DM_DLLIMPORT) {
- fputs(next, out); next = ", "; fputs("dllimport", out);
+ print_string(next); next = ", "; print_string("dllimport");
}
if (modifiers & DM_DLLEXPORT) {
- fputs(next, out); next = ", "; fputs("dllexport", out);
+ print_string(next); next = ", "; print_string("dllexport");
}
if (modifiers & DM_THREAD) {
- fputs(next, out); next = ", "; fputs("thread", out);
+ print_string(next); next = ", "; print_string("thread");
}
if (modifiers & DM_NAKED) {
- fputs(next, out); next = ", "; fputs("naked", out);
+ print_string(next); next = ", "; print_string("naked");
}
if (modifiers & DM_THREAD) {
- fputs(next, out); next = ", "; fputs("thread", out);
+ print_string(next); next = ", "; print_string("thread");
}
if (modifiers & DM_SELECTANY) {
- fputs(next, out); next = ", "; fputs("selectany", out);
+ print_string(next); next = ", "; print_string("selectany");
}
if (modifiers & DM_NOTHROW) {
- fputs(next, out); next = ", "; fputs("nothrow", out);
+ print_string(next); next = ", "; print_string("nothrow");
}
if (modifiers & DM_NORETURN) {
- fputs(next, out); next = ", "; fputs("noreturn", out);
+ print_string(next); next = ", "; print_string("noreturn");
}
if (modifiers & DM_NOINLINE) {
- fputs(next, out); next = ", "; fputs("noinline", out);
+ print_string(next); next = ", "; print_string("noinline");
}
if (modifiers & DM_DEPRECATED) {
- fputs(next, out); next = ", "; fputs("deprecated", out);
+ print_string(next); next = ", "; print_string("deprecated");
if (declaration->deprecated_string != NULL)
- fprintf(out, "(\"%s\")",
+ print_format("(\"%s\")",
declaration->deprecated_string);
}
if (modifiers & DM_RESTRICT) {
- fputs(next, out); next = ", "; fputs("restrict", out);
+ print_string(next); next = ", "; print_string("restrict");
}
if (modifiers & DM_NOALIAS) {
- fputs(next, out); next = ", "; fputs("noalias", out);
+ print_string(next); next = ", "; print_string("noalias");
}
}
if (ds_shown)
- fputs(") ", out);
+ print_string(") ");
}
#endif
for ( ; entity != NULL; entity = entity->base.next) {
print_indent();
print_entity(entity);
- fputs("\n", out);
+ print_char('\n');
}
}
static void print_namespace(const namespace_t *namespace)
{
- fputs("namespace ", out);
+ print_string("namespace ");
if (namespace->base.symbol != NULL) {
- fputs(namespace->base.symbol->string, out);
- fputc(' ', out);
+ print_string(namespace->base.symbol->string);
+ print_char(' ');
}
- fputs("{\n", out);
+ print_string("{\n");
++indent;
print_scope(&namespace->members);
--indent;
print_indent();
- fputs("}\n", out);
+ print_string("}\n");
}
/**
function_t *function = (function_t*)declaration;
if (function->is_inline) {
if (declaration->modifiers & DM_FORCEINLINE) {
- fputs("__forceinline ", out);
+ print_string("__forceinline ");
} else if (declaration->modifiers & DM_MICROSOFT_INLINE) {
- fputs("__inline ", out);
+ print_string("__inline ");
} else {
- fputs("inline ", out);
+ print_string("inline ");
}
}
}
&entity->function.parameters);
if (entity->function.statement != NULL) {
- fputc('\n', out);
- print_indent();
- print_statement(entity->function.statement);
+ print_char('\n');
+ print_indented_statement(entity->function.statement);
+ print_char('\n');
return;
}
break;
case ENTITY_VARIABLE:
if (entity->variable.thread_local)
- fputs("__thread ", out);
+ print_string("__thread ");
print_type_ext(declaration->type, declaration->base.symbol, NULL);
if (entity->variable.initializer != NULL) {
- fputs(" = ", out);
+ print_string(" = ");
print_initializer(entity->variable.initializer);
}
break;
+ case ENTITY_COMPOUND_MEMBER:
+ print_type_ext(declaration->type, declaration->base.symbol, NULL);
+ if (entity->compound_member.bitfield) {
+ print_format(" : %u", entity->compound_member.bit_size);
+ }
+ break;
+
default:
print_type_ext(declaration->type, declaration->base.symbol, NULL);
break;
}
- fputc(';', out);
+ print_char(';');
}
/**
case ENTITY_TYPEDEF:
print_typedef(entity);
return;
- case ENTITY_STRUCT:
- fputs("struct ", out);
- fputs(entity->base.symbol->string, out);
- if (entity->structe.complete) {
- fputc(' ', out);
- print_compound_definition(&entity->structe);
- }
- fputc(';', out);
+ case ENTITY_CLASS:
+ /* TODO */
+ print_string("class ");
+ print_string(entity->base.symbol->string);
+ print_string("; /* TODO */\n");
return;
+ case ENTITY_STRUCT:
+ print_string("struct ");
+ goto print_compound;
case ENTITY_UNION:
- fputs("union ", out);
- fputs(entity->base.symbol->string, out);
- if (entity->unione.complete) {
- fputc(' ', out);
- print_compound_definition(&entity->unione);
+ print_string("union ");
+print_compound:
+ print_string(entity->base.symbol->string);
+ if (entity->compound.complete) {
+ print_char(' ');
+ print_compound_definition(&entity->compound);
}
- fputc(';', out);
+ print_char(';');
return;
case ENTITY_ENUM:
- fputs("enum ", out);
- fputs(entity->base.symbol->string, out);
- fputc(' ', out);
+ print_string("enum ");
+ print_string(entity->base.symbol->string);
+ print_char(' ');
print_enum_definition(&entity->enume);
- fputc(';', out);
+ print_char(';');
return;
case ENTITY_NAMESPACE:
print_namespace(&entity->namespacee);
return;
case ENTITY_LOCAL_LABEL:
- fprintf(out, "__label__ %s;", entity->base.symbol->string);
+ print_string("__label__ ");
+ print_string(entity->base.symbol->string);
+ print_char(';');
return;
case ENTITY_LABEL:
case ENTITY_ENUM_VALUE:
panic("print_entity used on unexpected entity type");
- case ENTITY_INVALID:
- break;
}
panic("Invalid entity type encountered");
}
print_indent();
print_entity(entity);
- fputc('\n', out);
+ print_char('\n');
}
}
-bool is_constant_initializer(const initializer_t *initializer)
+expression_classification_t is_constant_initializer(const initializer_t *initializer)
{
switch (initializer->kind) {
case INITIALIZER_STRING:
case INITIALIZER_WIDE_STRING:
case INITIALIZER_DESIGNATOR:
- return true;
+ return EXPR_CLASS_CONSTANT;
case INITIALIZER_VALUE:
- return is_constant_expression(initializer->value.value);
+ return is_linker_constant(initializer->value.value);
- case INITIALIZER_LIST:
+ case INITIALIZER_LIST: {
+ expression_classification_t all = EXPR_CLASS_CONSTANT;
for (size_t i = 0; i < initializer->list.len; ++i) {
initializer_t *sub_initializer = initializer->list.initializers[i];
- if (!is_constant_initializer(sub_initializer))
- return false;
+ expression_classification_t const cur = is_constant_initializer(sub_initializer);
+ if (all > cur) {
+ all = cur;
+ }
}
- return true;
+ return all;
+ }
}
panic("invalid initializer kind found");
}
-static bool is_object_with_linker_constant_address(const expression_t *expression)
+/**
+ * Checks if an expression references an object with a constant/known location
+ * to the linker. Example:
+ * - "x", "*&x" with x being a global variable. The value of x need not be
+ * constant but the address of x is.
+ * - "a.b.c" when a has a constant/known location to the linker
+ */
+static expression_classification_t is_object_with_linker_constant_address(
+ const expression_t *expression)
{
switch (expression->kind) {
case EXPR_UNARY_DEREFERENCE:
- return is_address_constant(expression->unary.value);
+ return is_linker_constant(expression->unary.value);
case EXPR_SELECT: {
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);
+ return is_linker_constant(expression->select.compound);
} else {
return is_object_with_linker_constant_address(expression->select.compound);
}
}
- case EXPR_ARRAY_ACCESS:
- return is_constant_expression(expression->array_access.index)
- && is_address_constant(expression->array_access.array_ref);
+ case EXPR_ARRAY_ACCESS: {
+ expression_classification_t const ref = is_linker_constant(expression->array_access.array_ref);
+ expression_classification_t const idx = is_constant_expression(expression->array_access.index);
+ return ref < idx ? ref : idx;
+ }
case EXPR_REFERENCE: {
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;
- }
+ if (!is_declaration(entity))
+ return EXPR_CLASS_VARIABLE;
+
+ 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 ? EXPR_CLASS_CONSTANT :
+ EXPR_CLASS_VARIABLE;
+
+ case STORAGE_CLASS_REGISTER:
+ case STORAGE_CLASS_TYPEDEF:
+ case STORAGE_CLASS_AUTO:
+ break;
}
- return false;
+ return EXPR_CLASS_VARIABLE;
}
+ case EXPR_ERROR:
+ return EXPR_CLASS_ERROR;
+
default:
- return false;
+ return EXPR_CLASS_VARIABLE;
}
}
-bool is_address_constant(const expression_t *expression)
+expression_classification_t is_linker_constant(const expression_t *expression)
{
switch (expression->kind) {
case EXPR_STRING_LITERAL:
case EXPR_WIDE_STRING_LITERAL:
case EXPR_FUNCNAME:
case EXPR_LABEL_ADDRESS:
- return true;
+ return EXPR_CLASS_CONSTANT;
+
+ case EXPR_COMPOUND_LITERAL:
+ return is_constant_initializer(expression->compound_literal.initializer);
case EXPR_UNARY_TAKE_ADDRESS:
return is_object_with_linker_constant_address(expression->unary.value);
= revert_automatic_type_conversion(expression->unary.value);
/* dereferencing a function is a NOP */
if (is_type_function(real_type)) {
- return is_address_constant(expression->unary.value);
+ return is_linker_constant(expression->unary.value);
}
/* 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())
+ dest->kind != TYPE_ATOMIC ||
+ !(get_atomic_type_flags(dest->atomic.akind) & ATOMIC_TYPE_FLAG_INTEGER) ||
+ get_atomic_type_size(dest->atomic.akind) < get_type_size(type_void_ptr)
))
- return false;
+ return is_constant_expression(expression);
- return (is_constant_expression(expression->unary.value)
- || is_address_constant(expression->unary.value));
+ return is_linker_constant(expression->unary.value);
}
case EXPR_BINARY_ADD:
case EXPR_BINARY_SUB: {
- expression_t *left = expression->binary.left;
- expression_t *right = expression->binary.right;
-
- 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))) {
- return is_constant_expression(left) && is_address_constant(right);
+ expression_t *const left = expression->binary.left;
+ expression_t *const right = expression->binary.right;
+ type_t *const ltype = skip_typeref(left->base.type);
+ type_t *const rtype = skip_typeref(right->base.type);
+
+ if (is_type_pointer(ltype)) {
+ expression_classification_t const l = is_linker_constant(left);
+ expression_classification_t const r = is_constant_expression(right);
+ return l < r ? l : r;
+ } else if (is_type_pointer(rtype)) {
+ expression_classification_t const l = is_constant_expression(left);
+ expression_classification_t const r = is_linker_constant(right);
+ return l < r ? l : r;
+ } else if (!is_type_valid(ltype) || !is_type_valid(rtype)) {
+ return EXPR_CLASS_ERROR;
+ } else {
+ return is_constant_expression(expression);
}
-
- return false;
}
case EXPR_REFERENCE: {
entity_t *entity = expression->reference.entity;
if (!is_declaration(entity))
- return false;
+ return EXPR_CLASS_VARIABLE;
type_t *type = skip_typeref(entity->declaration.type);
if (is_type_function(type))
- return true;
+ return EXPR_CLASS_CONSTANT;
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;
+ return EXPR_CLASS_ERROR;
+ return EXPR_CLASS_VARIABLE;
}
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);
+ if (!is_type_array(type))
+ return EXPR_CLASS_VARIABLE;
+ return is_linker_constant(expression->array_access.array_ref);
+ }
+
+ case EXPR_CONDITIONAL: {
+ expression_t *const c = expression->conditional.condition;
+ expression_classification_t const cclass = is_constant_expression(c);
+ if (cclass != EXPR_CLASS_CONSTANT)
+ return cclass;
+
+ if (fold_constant_to_bool(c)) {
+ expression_t const *const t = expression->conditional.true_expression;
+ return is_linker_constant(t != NULL ? t : c);
+ } else {
+ return is_linker_constant(expression->conditional.false_expression);
+ }
+ }
+
+ case EXPR_SELECT: {
+ entity_t *entity = expression->select.compound_entry;
+ if (!is_declaration(entity))
+ return EXPR_CLASS_VARIABLE;
+ type_t *type = skip_typeref(entity->declaration.type);
+ if (is_type_array(type)) {
+ /* arrays automatically convert to their address */
+ expression_t *compound = expression->select.compound;
+ type_t *base_type = skip_typeref(compound->base.type);
+ if (is_type_pointer(base_type)) {
+ /* it's a -> */
+ return is_linker_constant(compound);
+ } else {
+ return is_object_with_linker_constant_address(compound);
+ }
+ }
+ return EXPR_CLASS_VARIABLE;
}
default:
- return false;
+ return is_constant_expression(expression);
}
}
* Check if the given expression is a call to a builtin function
* returning a constant result.
*/
-static bool is_builtin_const_call(const expression_t *expression)
+static expression_classification_t is_builtin_const_call(const expression_t *expression)
{
expression_t *function = expression->call.function;
if (function->kind != EXPR_REFERENCE)
- return false;
+ return EXPR_CLASS_VARIABLE;
reference_expression_t *ref = &function->reference;
if (ref->entity->kind != ENTITY_FUNCTION)
- return false;
+ return EXPR_CLASS_VARIABLE;
switch (ref->entity->function.btk) {
- case bk_gnu_builtin_huge_val:
- case bk_gnu_builtin_inf:
- case bk_gnu_builtin_inff:
- case bk_gnu_builtin_infl:
- case bk_gnu_builtin_nan:
- case bk_gnu_builtin_nanf:
- case bk_gnu_builtin_nanl:
- return true;
+ case BUILTIN_INF:
+ case BUILTIN_NAN:
+ return EXPR_CLASS_CONSTANT;
default:
- return false;
+ return EXPR_CLASS_VARIABLE;
}
}
-static bool is_constant_pointer(const expression_t *expression)
+static expression_classification_t is_constant_pointer(const expression_t *expression)
{
- if (is_constant_expression(expression))
- return true;
+ expression_classification_t const expr_class = is_constant_expression(expression);
+ if (expr_class != EXPR_CLASS_VARIABLE)
+ return expr_class;
switch (expression->kind) {
case EXPR_UNARY_CAST:
return is_constant_pointer(expression->unary.value);
default:
- return false;
+ return EXPR_CLASS_VARIABLE;
}
}
-static bool is_object_with_constant_address(const expression_t *expression)
+static expression_classification_t is_object_with_constant_address(const expression_t *expression)
{
switch (expression->kind) {
case EXPR_SELECT: {
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)
- );
+ expression_classification_t const idx_class = is_constant_expression(array_access->index);
+ if (idx_class != EXPR_CLASS_CONSTANT)
+ return idx_class;
+ expression_classification_t const ref_addr = is_object_with_constant_address(array_access->array_ref);
+ expression_classification_t const ref_ptr = is_constant_pointer(array_access->array_ref);
+ return ref_addr > ref_ptr ? ref_addr : ref_ptr;
}
case EXPR_UNARY_DEREFERENCE:
return is_constant_pointer(expression->unary.value);
+
+ case EXPR_ERROR:
+ return EXPR_CLASS_ERROR;
+
default:
- return false;
+ return EXPR_CLASS_VARIABLE;
}
}
-bool is_constant_expression(const expression_t *expression)
+expression_classification_t 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_BUILTIN_CONSTANT_P:
case EXPR_BUILTIN_TYPES_COMPATIBLE_P:
case EXPR_REFERENCE_ENUM_VALUE:
- return true;
+ return EXPR_CLASS_CONSTANT;
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;
+ type_t *const type = skip_typeref(expression->typeprop.type);
+ return
+ !is_type_array(type) || !type->array.is_vla ? EXPR_CLASS_CONSTANT :
+ EXPR_CLASS_VARIABLE;
}
case EXPR_STRING_LITERAL:
case EXPR_VA_ARG:
case EXPR_VA_COPY:
case EXPR_STATEMENT:
- case EXPR_REFERENCE:
case EXPR_UNARY_POSTFIX_INCREMENT:
case EXPR_UNARY_POSTFIX_DECREMENT:
case EXPR_UNARY_PREFIX_INCREMENT:
case EXPR_BINARY_BITWISE_OR_ASSIGN:
case EXPR_BINARY_COMMA:
case EXPR_ARRAY_ACCESS:
- return false;
+ return EXPR_CLASS_VARIABLE;
+
+ case EXPR_REFERENCE: {
+ type_t *const type = skip_typeref(expression->base.type);
+ return is_type_valid(type) ? EXPR_CLASS_VARIABLE : EXPR_CLASS_ERROR;
+ }
case EXPR_UNARY_TAKE_ADDRESS:
return is_object_with_constant_address(expression->unary.value);
case EXPR_UNARY_NOT:
return is_constant_expression(expression->unary.value);
- case EXPR_UNARY_CAST:
- case EXPR_UNARY_CAST_IMPLICIT:
- return is_type_arithmetic(skip_typeref(expression->base.type))
- && is_constant_expression(expression->unary.value);
+ case EXPR_UNARY_CAST: {
+ type_t *const type = skip_typeref(expression->base.type);
+ if (is_type_scalar(type))
+ return is_constant_expression(expression->unary.value);
+ if (!is_type_valid(type))
+ return EXPR_CLASS_ERROR;
+ return EXPR_CLASS_VARIABLE;
+ }
case EXPR_BINARY_ADD:
case EXPR_BINARY_SUB:
case EXPR_BINARY_ISLESS:
case EXPR_BINARY_ISLESSEQUAL:
case EXPR_BINARY_ISLESSGREATER:
- case EXPR_BINARY_ISUNORDERED:
- return is_constant_expression(expression->binary.left)
- && is_constant_expression(expression->binary.right);
+ case EXPR_BINARY_ISUNORDERED: {
+ expression_classification_t const l = is_constant_expression(expression->binary.left);
+ expression_classification_t const r = is_constant_expression(expression->binary.right);
+ return l < r ? l : r;
+ }
case EXPR_BINARY_LOGICAL_AND: {
- expression_t const *const left = expression->binary.left;
- if (!is_constant_expression(left))
- return false;
- if (fold_constant_to_bool(left) == false)
- return true;
+ expression_t const *const left = expression->binary.left;
+ expression_classification_t const lclass = is_constant_expression(left);
+ if (lclass != EXPR_CLASS_CONSTANT)
+ return lclass;
+ if (!fold_constant_to_bool(left))
+ return EXPR_CLASS_CONSTANT;
return is_constant_expression(expression->binary.right);
}
case EXPR_BINARY_LOGICAL_OR: {
- expression_t const *const left = expression->binary.left;
- if (!is_constant_expression(left))
- return false;
- if (fold_constant_to_bool(left) == true)
- return true;
+ expression_t const *const left = expression->binary.left;
+ expression_classification_t const lclass = is_constant_expression(left);
+ if (lclass != EXPR_CLASS_CONSTANT)
+ return lclass;
+ if (fold_constant_to_bool(left))
+ return EXPR_CLASS_CONSTANT;
return is_constant_expression(expression->binary.right);
}
return is_constant_initializer(expression->compound_literal.initializer);
case EXPR_CONDITIONAL: {
- expression_t *condition = expression->conditional.condition;
- if (!is_constant_expression(condition))
- return false;
+ expression_t *const condition = expression->conditional.condition;
+ expression_classification_t const cclass = is_constant_expression(condition);
+ if (cclass != EXPR_CLASS_CONSTANT)
+ return cclass;
- if (fold_constant_to_bool(condition) == true) {
+ if (fold_constant_to_bool(condition)) {
expression_t const *const t = expression->conditional.true_expression;
- return t == NULL || is_constant_expression(t);
+ return t == NULL ? EXPR_CLASS_CONSTANT : is_constant_expression(t);
} else {
return is_constant_expression(expression->conditional.false_expression);
}
}
- case EXPR_INVALID:
- return true;
-
- case EXPR_UNKNOWN:
- break;
+ case EXPR_ERROR:
+ return EXPR_CLASS_ERROR;
}
panic("invalid expression found (is constant expression)");
}
-/**
- * Initialize the AST construction.
- */
void init_ast(void)
{
obstack_init(&ast_obstack);
}
-/**
- * Free the AST.
- */
void exit_ast(void)
{
obstack_free(&ast_obstack, NULL);
}
-
-/**
- * Set the output stream for the AST printer.
- *
- * @param stream the output stream
- */
-void ast_set_output(FILE *stream)
-{
- out = stream;
- type_set_output(stream);
-}
-
-/**
- * Allocate an AST object of the given size.
- *
- * @param size the size of the object to allocate
- *
- * @return A new allocated object in the AST memeory space.
- */
-void *(allocate_ast)(size_t size)
-{
- return _allocate_ast(size);
-}