static unsigned get_expression_precedence(expression_kind_t kind)
{
static const unsigned prec[] = {
- [EXPR_ERROR] = PREC_PRIMARY,
- [EXPR_REFERENCE] = PREC_PRIMARY,
- [EXPR_ENUM_CONSTANT] = 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_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];
*
* @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,
- int skip)
+static void print_quoted_string(const string_t *const string, char border)
{
print_char(border);
- const char *end = string->begin + string->size - skip;
+ const char *end = string->begin + string->size;
for (const char *c = string->begin; c != end; ++c) {
const char tc = *c;
if (tc == border) {
static void print_string_literal(const string_literal_expression_t *literal)
{
- if (literal->base.kind == EXPR_WIDE_STRING_LITERAL) {
- print_char('L');
- }
- print_quoted_string(&literal->value, '"', 1);
+ print_string(get_string_encoding_prefix(literal->encoding));
+ print_quoted_string(&literal->value, '"');
}
static void print_literal(const literal_expression_t *literal)
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 */
case EXPR_LITERAL_CHARACTER:
- print_quoted_string(&literal->value, '\'', 0);
+ print_quoted_string(&literal->value, '\'');
return;
default:
break;
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:
+ /* 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_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:
- case EXPR_WIDE_STRING_LITERAL: print_string_literal( &expr->string_literal); break;
+ case EXPR_STRING_LITERAL: print_string_literal( &expr->string_literal); break;
case EXPR_UNARY_CASES: print_unary_expression( &expr->unary); break;
case EXPR_VA_ARG: print_va_arg( &expr->va_arge); break;
case EXPR_VA_COPY: print_va_copy( &expr->va_copye); break;
if (argument->symbol) {
print_format("[%s] ", argument->symbol->string);
}
- print_quoted_string(&argument->constraints, '"', 1);
+ print_quoted_string(&argument->constraints, '"');
print_string(" (");
print_expression(argument->expression);
print_char(')');
if (clobber != clobbers)
print_string(", ");
- print_quoted_string(&clobber->clobber, '"', 1);
+ print_quoted_string(&clobber->clobber, '"');
}
}
print_string("volatile ");
}
print_char('(');
- print_quoted_string(&statement->asm_text, '"', 1);
+ print_quoted_string(&statement->asm_text, '"');
if (statement->outputs == NULL &&
statement->inputs == NULL &&
statement->clobbers == NULL)
return;
}
case INITIALIZER_STRING:
- print_quoted_string(&initializer->string.string, '"', 1);
+ print_quoted_string(&initializer->string.string, '"');
return;
case INITIALIZER_WIDE_STRING:
- print_quoted_string(&initializer->string.string, '"', 1);
+ print_quoted_string(&initializer->string.string, '"');
return;
case INITIALIZER_DESIGNATOR:
print_designator(initializer->designator.designator);
{
switch (expression->kind) {
case EXPR_STRING_LITERAL:
- case EXPR_WIDE_STRING_LITERAL:
case EXPR_FUNCNAME:
case EXPR_LABEL_ADDRESS:
return EXPR_CLASS_CONSTANT;
}
case EXPR_STRING_LITERAL:
- case EXPR_WIDE_STRING_LITERAL:
case EXPR_FUNCNAME:
case EXPR_LABEL_ADDRESS:
case EXPR_SELECT:
projects / cparser / blobdiff