/*
* This file is part of cparser.
- * 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
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
+ * Copyright (C) 2012 Matthias Braun <matze@braunis.de>
*/
#include <config.h>
#include "lang_features.h"
#include "entity_t.h"
#include "printer.h"
+#include "separator_t.h"
#include "types.h"
#include <assert.h>
[EXPR_UNARY_NEGATE] = PREC_UNARY,
[EXPR_UNARY_PLUS] = PREC_UNARY,
- [EXPR_UNARY_BITWISE_NEGATE] = PREC_UNARY,
+ [EXPR_UNARY_COMPLEMENT] = PREC_UNARY,
[EXPR_UNARY_NOT] = PREC_UNARY,
[EXPR_UNARY_DEREFERENCE] = PREC_UNARY,
[EXPR_UNARY_TAKE_ADDRESS] = PREC_UNARY,
[EXPR_UNARY_DELETE] = PREC_UNARY,
[EXPR_UNARY_DELETE_ARRAY] = PREC_UNARY,
[EXPR_UNARY_THROW] = PREC_ASSIGNMENT,
+ [EXPR_UNARY_IMAG] = PREC_UNARY,
+ [EXPR_UNARY_REAL] = PREC_UNARY,
[EXPR_BINARY_ADD] = PREC_ADDITIVE,
[EXPR_BINARY_SUB] = PREC_ADDITIVE,
{
print_expression_prec(call->function, PREC_POSTFIX);
print_char('(');
- char const *sep = "";
+ separator_t sep = { "", ", " };
for (call_argument_t const *arg = call->arguments; arg; arg = arg->next) {
- print_string(sep);
- sep = ", ";
+ print_string(sep_next(&sep));
print_assignment_expression(arg->expression);
}
print_char(')');
{
unsigned prec = get_expression_precedence(unexpr->base.kind);
switch (unexpr->base.kind) {
- 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_NEGATE: print_char ('-' ); break;
+ case EXPR_UNARY_PLUS: print_char ('+' ); break;
+ case EXPR_UNARY_NOT: print_char ('!' ); break;
+ case EXPR_UNARY_COMPLEMENT: 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_REAL: print_string("__real__ "); break;
+ case EXPR_UNARY_IMAG: print_string("__imag__ "); break;
case EXPR_UNARY_POSTFIX_INCREMENT:
print_expression_prec(unexpr->value, prec);
print_assignment_expression(unexpr->value);
print_char(')');
return;
-
case EXPR_UNARY_THROW:
if (unexpr->value == NULL) {
print_string("throw");
if (designator->symbol == NULL) {
print_char('[');
print_expression(designator->array_index);
+ if (designator->range_last) {
+ print_string(" ... ");
+ print_expression(designator->range_last);
+ }
print_char(']');
} else {
print_char('.');
}
}
-/**
- * Print a while statement.
- *
- * @param statement the statement
- */
-static void print_while_statement(const while_statement_t *statement)
-{
- print_string("while (");
- print_expression(statement->condition);
- print_char(')');
- print_inner_statement(statement->body);
-}
-
/**
* Print a do-while statement.
*
*/
static void print_for_statement(const for_statement_t *statement)
{
- print_string("for (");
- if (statement->initialisation != NULL) {
- print_expression(statement->initialisation);
+ if (statement->initialisation || statement->scope.entities || !statement->condition || statement->step) {
+ print_string("for (");
+ if (statement->initialisation != NULL) {
+ print_expression(statement->initialisation);
+ print_char(';');
+ } else {
+ entity_t const *entity = statement->scope.entities;
+ for (; entity != NULL; entity = entity->base.next) {
+ if (is_generated_entity(entity))
+ continue;
+ /* FIXME display of multiple declarations is wrong */
+ print_declaration(entity);
+ }
+ }
+ if (statement->condition != NULL) {
+ print_char(' ');
+ print_expression(statement->condition);
+ }
print_char(';');
- } else {
- entity_t const *entity = statement->scope.entities;
- for (; entity != NULL; entity = entity->base.next) {
- if (is_generated_entity(entity))
- continue;
- /* FIXME display of multiple declarations is wrong */
- print_declaration(entity);
+ if (statement->step != NULL) {
+ print_char(' ');
+ print_expression(statement->step);
}
- }
- if (statement->condition != NULL) {
- print_char(' ');
+ } else {
+ print_string("while (");
print_expression(statement->condition);
}
- print_char(';');
- if (statement->step != NULL) {
- print_char(' ');
- print_expression(statement->step);
- }
print_char(')');
print_inner_statement(statement->body);
}
*
* @param arguments the arguments
*/
-static void print_asm_arguments(asm_argument_t *arguments)
-{
- asm_argument_t *argument = arguments;
- for (; argument != NULL; argument = argument->next) {
- if (argument != arguments)
- print_string(", ");
-
- if (argument->symbol) {
- print_format("[%s] ", argument->symbol->string);
- }
- print_quoted_string(&argument->constraints, '"');
+static void print_asm_arguments(asm_argument_t const *const arguments)
+{
+ print_string(" :");
+ separator_t sep = { " ", ", " };
+ for (asm_argument_t const *i = arguments; i; i = i->next) {
+ print_string(sep_next(&sep));
+ if (i->symbol)
+ print_format("[%s] ", i->symbol->string);
+ print_quoted_string(&i->constraints, '"');
print_string(" (");
- print_expression(argument->expression);
+ print_expression(i->expression);
print_char(')');
}
}
*
* @param clobbers the clobbers
*/
-static void print_asm_clobbers(asm_clobber_t *clobbers)
+static void print_asm_clobbers(asm_clobber_t const *const clobbers)
{
- asm_clobber_t *clobber = clobbers;
- for (; clobber != NULL; clobber = clobber->next) {
- if (clobber != clobbers)
- print_string(", ");
+ print_string(" :");
+ separator_t sep = { " ", ", " };
+ for (asm_clobber_t const *i = clobbers; i; i = i->next) {
+ print_string(sep_next(&sep));
+ print_quoted_string(&i->clobber, '"');
+ }
+}
- print_quoted_string(&clobber->clobber, '"');
+static void print_asm_labels(asm_label_t const *const labels)
+{
+ print_string(" :");
+ separator_t sep = { " ", ", " };
+ for (asm_label_t const *i = labels; i; i = i->next) {
+ print_string(sep_next(&sep));
+ print_string(i->label->base.symbol->string);
}
}
/**
* Print an assembler statement.
*
- * @param statement the statement
+ * @param stmt the statement
*/
-static void print_asm_statement(const asm_statement_t *statement)
+static void print_asm_statement(asm_statement_t const *const stmt)
{
- print_string("asm ");
- if (statement->is_volatile) {
- print_string("volatile ");
- }
+ print_string("asm");
+ if (stmt->is_volatile) print_string(" volatile");
+ if (stmt->labels) print_string(" goto");
print_char('(');
- print_quoted_string(&statement->asm_text, '"');
- if (statement->outputs == NULL &&
- statement->inputs == NULL &&
- statement->clobbers == NULL)
- goto end_of_print_asm_statement;
-
- print_string(" : ");
- print_asm_arguments(statement->outputs);
- if (statement->inputs == NULL && statement->clobbers == NULL)
- goto end_of_print_asm_statement;
-
- print_string(" : ");
- print_asm_arguments(statement->inputs);
- if (statement->clobbers == NULL)
- goto end_of_print_asm_statement;
-
- print_string(" : ");
- print_asm_clobbers(statement->clobbers);
-
-end_of_print_asm_statement:
+ print_quoted_string(&stmt->asm_text, '"');
+
+ unsigned const n =
+ stmt->labels ? 4 :
+ stmt->clobbers ? 3 :
+ stmt->inputs ? 2 :
+ stmt->outputs ? 1 :
+ 0;
+ if (n >= 1) print_asm_arguments(stmt->outputs);
+ if (n >= 2) print_asm_arguments(stmt->inputs);
+ if (n >= 3) print_asm_clobbers( stmt->clobbers);
+ if (n >= 4) print_asm_labels( stmt->labels);
+
print_string(");");
}
case STATEMENT_MS_TRY: print_ms_try_statement( &stmt->ms_try); break;
case STATEMENT_RETURN: print_return_statement( &stmt->returns); break;
case STATEMENT_SWITCH: print_switch_statement( &stmt->switchs); break;
- case STATEMENT_WHILE: print_while_statement( &stmt->whiles); break;
}
}
decl_modifiers_t modifiers = declaration->modifiers;
- bool ds_shown = false;
- const char *next = "(";
+ separator_t sep = { "__declspec(", ", " };
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) {
- print_string("__declspec");
- ds_shown = true;
- }
-
if (variable->alignment != 0) {
- print_string(next); next = ", "; print_format("align(%u)", variable->alignment);
+ print_format("%salign(%u)", sep_next(&sep), variable->alignment);
}
if (variable->get_property_sym != NULL
|| variable->put_property_sym != NULL) {
char *comma = "";
- print_string(next); next = ", "; print_string("property(");
+ print_format("%sproperty(", sep_next(&sep));
if (variable->get_property_sym != NULL) {
print_format("get=%s", variable->get_property_sym->string);
comma = ", ";
/* DM_FORCEINLINE handled outside. */
if ((modifiers & ~DM_FORCEINLINE) != 0) {
- if (!ds_shown) {
- print_string("__declspec");
- ds_shown = true;
- }
if (modifiers & DM_DLLIMPORT) {
- print_string(next); next = ", "; print_string("dllimport");
+ print_format("%sdllimport", sep_next(&sep));
}
if (modifiers & DM_DLLEXPORT) {
- print_string(next); next = ", "; print_string("dllexport");
+ print_format("%sdllexport", sep_next(&sep));
}
if (modifiers & DM_THREAD) {
- print_string(next); next = ", "; print_string("thread");
+ print_format("%sthread", sep_next(&sep));
}
if (modifiers & DM_NAKED) {
- print_string(next); next = ", "; print_string("naked");
+ print_format("%snaked", sep_next(&sep));
}
if (modifiers & DM_THREAD) {
- print_string(next); next = ", "; print_string("thread");
+ print_format("%sthread", sep_next(&sep));
}
if (modifiers & DM_SELECTANY) {
- print_string(next); next = ", "; print_string("selectany");
+ print_format("%sselectany", sep_next(&sep));
}
if (modifiers & DM_NOTHROW) {
- print_string(next); next = ", "; print_string("nothrow");
+ print_format("%snothrow", sep_next(&sep));
}
if (modifiers & DM_NORETURN) {
- print_string(next); next = ", "; print_string("noreturn");
+ print_format("%snoreturn", sep_next(&sep));
}
if (modifiers & DM_NOINLINE) {
- print_string(next); next = ", "; print_string("noinline");
+ print_format("%snoinline", sep_next(&sep));
}
if (modifiers & DM_DEPRECATED) {
- print_string(next); next = ", "; print_string("deprecated");
+ print_format("%sdeprecated", sep_next(&sep));
if (declaration->deprecated_string != NULL)
print_format("(\"%s\")",
declaration->deprecated_string);
}
if (modifiers & DM_RESTRICT) {
- print_string(next); next = ", "; print_string("restrict");
+ print_format("%srestrict", sep_next(&sep));
}
if (modifiers & DM_NOALIAS) {
- print_string(next); next = ", "; print_string("noalias");
+ print_format("%snoalias", sep_next(&sep));
}
}
- if (ds_shown)
+ if (!sep_at_first(&sep))
print_string(") ");
}
#endif
print_type_ext(entity->declaration.type, entity->base.symbol,
&entity->function.parameters);
- if (entity->function.statement != NULL) {
+ if (entity->function.body != NULL) {
print_char('\n');
- print_indented_statement(entity->function.statement);
+ print_indented_statement(entity->function.body);
print_char('\n');
return;
}
case EXPR_UNARY_DEREFERENCE:
return is_linker_constant(expression->unary.value);
+ case EXPR_COMPOUND_LITERAL: {
+ const compound_literal_expression_t *literal
+ = &expression->compound_literal;
+ return literal->global_scope ||
+ ((literal->type->base.qualifiers & TYPE_QUALIFIER_CONST)
+ && is_constant_initializer(literal->initializer));
+ }
+
case EXPR_SELECT: {
type_t *base_type = skip_typeref(expression->select.compound->base.type);
if (is_type_pointer(base_type)) {
expression_classification_t is_constant_expression(const expression_t *expression)
{
switch (expression->kind) {
- case EXPR_LITERAL_CASES:
case EXPR_LITERAL_CHARACTER:
- case EXPR_CLASSIFY_TYPE:
- case EXPR_OFFSETOF:
- case EXPR_ALIGNOF:
- case EXPR_BUILTIN_CONSTANT_P:
case EXPR_BUILTIN_TYPES_COMPATIBLE_P:
case EXPR_ENUM_CONSTANT:
+ case EXPR_LITERAL_BOOLEAN:
+ case EXPR_LITERAL_MS_NOOP:
return EXPR_CLASS_CONSTANT;
- case EXPR_SIZEOF: {
- type_t *const type = skip_typeref(expression->typeprop.type);
- return
- !is_type_array(type) || !type->array.is_vla ? EXPR_CLASS_CONSTANT :
- EXPR_CLASS_VARIABLE;
+ {
+ type_t *type;
+ case EXPR_ALIGNOF:
+ type = skip_typeref(expression->typeprop.type);
+ goto check_type;
+
+ case EXPR_CLASSIFY_TYPE:
+ type = skip_typeref(expression->classify_type.type_expression->base.type);
+ goto check_type;
+
+ case EXPR_LITERAL_INTEGER:
+ case EXPR_LITERAL_FLOATINGPOINT:
+ type = skip_typeref(expression->base.type);
+ goto check_type;
+
+ case EXPR_OFFSETOF:
+ type = skip_typeref(expression->offsetofe.type);
+ goto check_type;
+
+ case EXPR_SIZEOF:
+ type = skip_typeref(expression->typeprop.type);
+ if (is_type_array(type) && type->array.is_vla)
+ return EXPR_CLASS_VARIABLE;
+ goto check_type;
+
+check_type:
+ return is_type_valid(type) ? EXPR_CLASS_CONSTANT : EXPR_CLASS_ERROR;
+ }
+
+ case EXPR_BUILTIN_CONSTANT_P: {
+ expression_classification_t const c = is_constant_expression(expression->builtin_constant.value);
+ return c != EXPR_CLASS_ERROR ? EXPR_CLASS_CONSTANT : EXPR_CLASS_ERROR;
}
case EXPR_STRING_LITERAL:
case EXPR_UNARY_NEGATE:
case EXPR_UNARY_PLUS:
- case EXPR_UNARY_BITWISE_NEGATE:
+ case EXPR_UNARY_COMPLEMENT:
case EXPR_UNARY_NOT:
return is_constant_expression(expression->unary.value);
+ case EXPR_UNARY_IMAG:
+ case EXPR_UNARY_REAL: {
+ type_t *type = skip_typeref(expression->base.type);
+ if (!is_type_valid(type))
+ return EXPR_CLASS_ERROR;
+ return is_constant_expression(expression->unary.value);
+ }
+
case EXPR_UNARY_CAST: {
type_t *const type = skip_typeref(expression->base.type);
if (is_type_scalar(type))
case EXPR_ERROR:
return EXPR_CLASS_ERROR;
}
- panic("invalid expression found (is constant expression)");
+ panic("invalid expression");
}
void init_ast(void)
projects / cparser / blobdiff