static unsigned get_expression_precedence(expression_kind_t kind)
{
static const unsigned prec[] = {
- [EXPR_ERROR] = 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
+ [EXPR_ERROR] = PREC_PRIMARY,
+ [EXPR_REFERENCE] = PREC_PRIMARY,
+ [EXPR_ENUM_CONSTANT] = PREC_PRIMARY,
+ [EXPR_LITERAL_INTEGER] = PREC_PRIMARY,
+ [EXPR_LITERAL_FLOATINGPOINT] = 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];
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:
+ case EXPR_LITERAL_INTEGER:
print_stringrep(&literal->value);
- if (literal->suffix.size > 0)
- print_stringrep(&literal->suffix);
+ print_stringrep(&literal->suffix);
return;
+
case EXPR_LITERAL_WIDE_CHARACTER:
print_char('L');
/* FALLTHROUGH */
print_string("__builtin_va_start(");
print_assignment_expression(expression->ap);
print_string(", ");
- print_string(expression->parameter->base.base.symbol->string);
+ print_assignment_expression(expression->parameter);
print_char(')');
}
print_char(')');
}
+static bool needs_parentheses(expression_t const *const expr, unsigned const top_prec)
+{
+ if (expr->base.parenthesized)
+ return true;
+
+ if (top_prec > get_expression_precedence(expr->base.kind))
+ return true;
+
+ if (print_parenthesis && top_prec != PREC_BOTTOM) {
+ switch (expr->kind) {
+ case EXPR_ENUM_CONSTANT:
+ case EXPR_FUNCNAME:
+ case EXPR_LITERAL_CASES:
+ case EXPR_REFERENCE:
+ case EXPR_STRING_LITERAL:
+ case EXPR_WIDE_STRING_LITERAL:
+ /* Do not print () around subexpressions consisting of a single token. */
+ return false;
+
+ default:
+ return true;
+ }
+ }
+
+ return false;
+}
+
/**
* Prints an expression with parenthesis if needed.
*
expr = expr->unary.value;
}
- bool parenthesized =
- expr->base.parenthesized ||
- (print_parenthesis && top_prec != PREC_BOTTOM) ||
- top_prec > get_expression_precedence(expr->base.kind);
+ bool const parenthesized = needs_parentheses(expr, top_prec);
if (parenthesized)
print_char('(');
case EXPR_LITERAL_CASES: print_literal( &expr->literal); break;
case EXPR_OFFSETOF: print_offsetof_expression( &expr->offsetofe); break;
case EXPR_REFERENCE:
- case EXPR_REFERENCE_ENUM_VALUE: print_reference_expression( &expr->reference); break;
+ case EXPR_ENUM_CONSTANT: print_reference_expression( &expr->reference); break;
case EXPR_SELECT: print_select( &expr->select); break;
case EXPR_STATEMENT: print_statement_expression( &expr->statement); break;
case EXPR_STRING_LITERAL:
print_char(';');
}
+/**
+ * Print a computed goto statement.
+ *
+ * @param statement the computed goto statement
+ */
+static void print_computed_goto_statement(computed_goto_statement_t const *const stmt)
+{
+ print_string("goto *");
+ print_expression(stmt->expression);
+ print_char(';');
+}
+
/**
* Print a goto statement.
*
static void print_goto_statement(const goto_statement_t *statement)
{
print_string("goto ");
- if (statement->expression != NULL) {
- print_char('*');
- print_expression(statement->expression);
- } else {
- print_string(statement->label->base.symbol->string);
- }
+ print_string(statement->label->base.symbol->string);
print_char(';');
}
void print_statement(statement_t const *const stmt)
{
switch (stmt->kind) {
- case STATEMENT_ASM: print_asm_statement( &stmt->asms); break;
- case STATEMENT_BREAK: print_string("break;"); break;
- case STATEMENT_CASE_LABEL: print_case_label( &stmt->case_label); break;
- case STATEMENT_COMPOUND: print_compound_statement( &stmt->compound); break;
- case STATEMENT_CONTINUE: print_string("continue;"); break;
- case STATEMENT_DECLARATION: print_declaration_statement(&stmt->declaration); break;
- case STATEMENT_DO_WHILE: print_do_while_statement( &stmt->do_while); break;
- case STATEMENT_EMPTY: print_char(';'); break;
- case STATEMENT_ERROR: print_string("$error statement$"); break;
- case STATEMENT_EXPRESSION: print_expression_statement( &stmt->expression); break;
- case STATEMENT_FOR: print_for_statement( &stmt->fors); break;
- case STATEMENT_GOTO: print_goto_statement( &stmt->gotos); break;
- case STATEMENT_IF: print_if_statement( &stmt->ifs); break;
- case STATEMENT_LABEL: print_label_statement( &stmt->label); break;
- case STATEMENT_LEAVE: print_leave_statement( &stmt->leave); break;
- 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;
+ case STATEMENT_ASM: print_asm_statement( &stmt->asms); break;
+ case STATEMENT_BREAK: print_string("break;"); break;
+ case STATEMENT_CASE_LABEL: print_case_label( &stmt->case_label); break;
+ case STATEMENT_COMPOUND: print_compound_statement( &stmt->compound); break;
+ case STATEMENT_COMPUTED_GOTO: print_computed_goto_statement(&stmt->computed_goto); break;
+ case STATEMENT_CONTINUE: print_string("continue;"); break;
+ case STATEMENT_DECLARATION: print_declaration_statement( &stmt->declaration); break;
+ case STATEMENT_DO_WHILE: print_do_while_statement( &stmt->do_while); break;
+ case STATEMENT_EMPTY: print_char(';'); break;
+ case STATEMENT_ERROR: print_string("$error statement$"); break;
+ case STATEMENT_EXPRESSION: print_expression_statement( &stmt->expression); break;
+ case STATEMENT_FOR: print_for_statement( &stmt->fors); break;
+ case STATEMENT_GOTO: print_goto_statement( &stmt->gotos); break;
+ case STATEMENT_IF: print_if_statement( &stmt->ifs); break;
+ case STATEMENT_LABEL: print_label_statement( &stmt->label); break;
+ case STATEMENT_LEAVE: print_leave_statement( &stmt->leave); break;
+ 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;
}
}
case EXPR_ALIGNOF:
case EXPR_BUILTIN_CONSTANT_P:
case EXPR_BUILTIN_TYPES_COMPATIBLE_P:
- case EXPR_REFERENCE_ENUM_VALUE:
+ case EXPR_ENUM_CONSTANT:
return EXPR_CLASS_CONSTANT;
case EXPR_SIZEOF: {
projects / cparser / blobdiff