#include <stdlib.h>
#include <ctype.h>
-#ifdef __INTEL_COMPILER
+#if defined(__INTEL_COMPILER)
#include <mathimf.h>
+#elif defined(__CYGWIN__)
+#include "win32/cygwin_math_ext.h"
#else
#include <math.h>
#endif
#include "adt/error.h"
+#include "adt/util.h"
struct obstack ast_obstack;
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_SYMBOL] = PREC_PRIMARY,
- [EXPR_BUILTIN_CONSTANT_P] = PREC_PRIMARY,
- [EXPR_BUILTIN_PREFETCH] = PREC_PRIMARY,
- [EXPR_OFFSETOF] = PREC_PRIMARY,
- [EXPR_VA_START] = PREC_PRIMARY,
- [EXPR_VA_ARG] = PREC_PRIMARY,
- [EXPR_STATEMENT] = PREC_PRIMARY,
- [EXPR_LABEL_ADDRESS] = PREC_PRIMARY,
-
- [EXPR_UNARY_NEGATE] = PREC_UNARY,
- [EXPR_UNARY_PLUS] = PREC_UNARY,
- [EXPR_UNARY_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_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_SYMBOL] = 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_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
};
- assert((unsigned)kind < (sizeof(prec)/sizeof(prec[0])));
+ assert((size_t)kind < lengthof(prec));
unsigned res = prec[kind];
assert(res != PREC_BOTTOM);
fputc(border, out);
const char *end = string->begin + string->size - skip;
for (const char *c = string->begin; c != end; ++c) {
- if (*c == border) {
+ unsigned char const tc = *c;
+ if (tc == border) {
fputc('\\', out);
}
- switch (*c) {
+ switch (tc) {
case '\\': fputs("\\\\", out); break;
case '\a': fputs("\\a", out); break;
case '\b': fputs("\\b", out); break;
}
/* FALLTHROUGH */
default:
- if (!isprint(*c)) {
- fprintf(out, "\\%03o", (unsigned)*c);
- break;
+ if (tc < 0x80 && !isprint(tc)) {
+ fprintf(out, "\\%03o", (unsigned)tc);
+ } else {
+ fputc(tc, out);
}
- fputc(*c, out);
break;
}
}
default: {
const unsigned tc = *c;
if (tc < 0x80U) {
- if (!isprint(*c)) {
- fprintf(out, "\\%03o", (char)*c);
- } else {
+ if (isprint(*c)) {
fputc(*c, out);
+ } else {
+ fprintf(out, "\\%03o", tc);
}
} else if (tc < 0x800) {
fputc(0xC0 | (tc >> 6), out);
print_initializer(expression->initializer);
}
+static void print_assignment_expression(const expression_t *const expr)
+{
+ print_expression_prec(expr, PREC_ASSIGNMENT);
+}
+
/**
* Prints a call expression.
*
} else {
first = 0;
}
- print_expression_prec(argument->expression, PREC_ASSIGNMENT);
+ print_assignment_expression(argument->expression);
argument = argument->next;
}
break;
case EXPR_UNARY_ASSUME:
fputs("__assume(", out);
- print_expression_prec(unexpr->value, PREC_ASSIGNMENT);
+ print_assignment_expression(unexpr->value);
fputc(')', out);
return;
fputs("__alignof__", out);
}
if (expression->tp_expression != NULL) {
- /* always print the '()' here, sizeof x is right but unusual */
- fputc('(', out);
- print_expression(expression->tp_expression);
- fputc(')', out);
+ /* PREC_TOP: always print the '()' here, sizeof x is right but unusual */
+ print_expression_prec(expression->tp_expression, PREC_TOP);
} else {
fputc('(', out);
print_type(expression->type);
static void print_builtin_constant(const builtin_constant_expression_t *expression)
{
fputs("__builtin_constant_p(", out);
- print_expression_prec(expression->value, PREC_ASSIGNMENT);
+ print_assignment_expression(expression->value);
fputc(')', out);
}
/**
- * Prints a builtin prefetch expression.
+ * Prints a builtin types compatible expression.
*
- * @param expression the builtin prefetch expression
+ * @param expression the builtin types compatible expression
*/
-static void print_builtin_prefetch(const builtin_prefetch_expression_t *expression)
+static void print_builtin_types_compatible(
+ const builtin_types_compatible_expression_t *expression)
{
- fputs("__builtin_prefetch(", out);
- print_expression_prec(expression->adr, PREC_ASSIGNMENT);
- if (expression->rw) {
- fputc(',', out);
- print_expression_prec(expression->rw, PREC_ASSIGNMENT);
- }
- if (expression->locality) {
- fputc(',', out);
- print_expression_prec(expression->locality, PREC_ASSIGNMENT);
- }
+ fputs("__builtin_types_compatible_p(", out);
+ print_type(expression->left);
+ fputs(", ", out);
+ print_type(expression->right);
fputc(')', out);
}
static void print_va_start(const va_start_expression_t *const expression)
{
fputs("__builtin_va_start(", out);
- print_expression_prec(expression->ap, PREC_ASSIGNMENT);
+ print_assignment_expression(expression->ap);
fputs(", ", out);
fputs(expression->parameter->base.base.symbol->string, out);
fputc(')', out);
static void print_va_arg(const va_arg_expression_t *expression)
{
fputs("__builtin_va_arg(", out);
- print_expression_prec(expression->ap, PREC_ASSIGNMENT);
+ print_assignment_expression(expression->ap);
fputs(", ", out);
print_type(expression->base.type);
fputc(')', out);
const classify_type_expression_t *const expr)
{
fputs("__builtin_classify_type(", out);
- print_expression_prec(expr->type_expression, PREC_ASSIGNMENT);
+ print_assignment_expression(expr->type_expression);
fputc(')', out);
}
if (expression->kind == EXPR_UNARY_CAST_IMPLICIT && !print_implicit_casts) {
expression = expression->unary.value;
}
- unsigned prec = get_expression_precedence(expression->base.kind);
- if (print_parenthesis && top_prec != PREC_BOTTOM)
- top_prec = PREC_TOP;
- if (top_prec > prec)
+
+ bool parenthesized =
+ expression->base.parenthesized ||
+ (print_parenthesis && top_prec != PREC_BOTTOM) ||
+ top_prec > get_expression_precedence(expression->base.kind);
+
+ if (parenthesized)
fputc('(', out);
switch (expression->kind) {
case EXPR_UNKNOWN:
case EXPR_BUILTIN_CONSTANT_P:
print_builtin_constant(&expression->builtin_constant);
break;
- case EXPR_BUILTIN_PREFETCH:
- print_builtin_prefetch(&expression->builtin_prefetch);
+ case EXPR_BUILTIN_TYPES_COMPATIBLE_P:
+ print_builtin_types_compatible(&expression->builtin_types_compatible);
break;
case EXPR_CONDITIONAL:
print_conditional(&expression->conditional);
fprintf(out, "some expression of type %d", (int)expression->kind);
break;
}
- if (top_prec > prec)
+ if (parenthesized)
fputc(')', out);
}
}
--indent;
print_indent();
- fputs("}\n", out);
+ fputs(block->stmt_expr ? "}" : "}\n", out);
}
/**
}
}
-static void print_local_label(const local_label_statement_t *statement)
-{
- fputs("__label__ ", out);
-
- bool first = true;
- entity_t *entity = statement->labels_begin;
- for (;
- entity != statement->labels_end->base.next;
- entity = entity->base.next) {
- if (!first) {
- fputs(", ", out);
- } else {
- first = false;
- }
- fputs(entity->base.symbol->string, out);
- }
- fputs(";\n", out);
-}
-
static void print_typedef(const entity_t *entity)
{
fputs("typedef ", out);
entity_t *const end = statement->declarations_end->base.next;
for (; entity != end; entity = entity->base.next) {
- if (!is_declaration(entity) && entity->kind != ENTITY_TYPEDEF)
+ if (entity->kind == ENTITY_ENUM_VALUE)
continue;
if (is_generated_entity(entity))
continue;
first = false;
}
- if (entity->kind == ENTITY_TYPEDEF) {
- print_typedef(entity);
- } else {
- assert(is_declaration(entity));
- print_declaration(entity);
- }
-
+ print_entity(entity);
fputc('\n', out);
}
}
static void print_for_statement(const for_statement_t *statement)
{
fputs("for (", out);
- entity_t *entity = statement->scope.entities;
- while (entity != NULL && is_generated_entity(entity))
- entity = entity->base.next;
-
- if (entity != NULL) {
- assert(statement->initialisation == NULL);
- assert(is_declaration(entity));
- print_declaration(entity);
- if (entity->base.next != NULL) {
- panic("multiple declarations in for statement not supported yet");
- }
- fputc(' ', out);
+ if (statement->initialisation != NULL) {
+ print_expression(statement->initialisation);
+ fputc(';', out);
} else {
- if (statement->initialisation) {
- print_expression(statement->initialisation);
+ 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);
}
- fputs("; ", out);
}
if (statement->condition != NULL) {
+ fputc(' ', out);
print_expression(statement->condition);
}
- fputs("; ", out);
+ fputc(';', out);
if (statement->step != NULL) {
+ fputc(' ', out);
print_expression(statement->step);
}
fputs(") ", out);
case STATEMENT_LABEL:
print_label_statement(&statement->label);
break;
- case STATEMENT_LOCAL_LABEL:
- print_local_label(&statement->local_label);
- break;
case STATEMENT_GOTO:
print_goto_statement(&statement->gotos);
break;
*/
static void print_storage_class(storage_class_tag_t storage_class)
{
- const char *text;
switch (storage_class) {
case STORAGE_CLASS_NONE: return;
- case STORAGE_CLASS_TYPEDEF: text = "typedef "; break;
- case STORAGE_CLASS_EXTERN: text = "extern "; break;
- case STORAGE_CLASS_STATIC: text = "static "; break;
- case STORAGE_CLASS_AUTO: text = "auto "; break;
- case STORAGE_CLASS_REGISTER: text = "register "; break;
+ 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;
}
- fputs(text, out);
+ panic("invalid storage class");
}
/**
switch (initializer->kind) {
case INITIALIZER_VALUE: {
const initializer_value_t *value = &initializer->value;
- print_expression(value->value);
+ print_assignment_expression(value->value);
return;
}
case INITIALIZER_LIST: {
case ENTITY_VARIABLE:
case ENTITY_PARAMETER:
case ENTITY_COMPOUND_MEMBER:
- print_declaration(entity);
- return;
case ENTITY_FUNCTION:
print_declaration(entity);
return;
case ENTITY_NAMESPACE:
print_namespace(&entity->namespacee);
return;
+ case ENTITY_LOCAL_LABEL:
+ fprintf(out, "__label__ %s;", entity->base.symbol->string);
+ return;
case ENTITY_LABEL:
case ENTITY_ENUM_VALUE:
- case ENTITY_LOCAL_LABEL:
panic("print_entity used on unexpected entity type");
case ENTITY_INVALID:
break;
case EXPR_OFFSETOF:
case EXPR_ALIGNOF:
case EXPR_BUILTIN_CONSTANT_P:
+ case EXPR_BUILTIN_TYPES_COMPATIBLE_P:
case EXPR_LABEL_ADDRESS:
case EXPR_REFERENCE_ENUM_VALUE:
return true;
}
case EXPR_BUILTIN_SYMBOL:
- case EXPR_BUILTIN_PREFETCH:
case EXPR_SELECT:
case EXPR_VA_START:
case EXPR_VA_ARG:
case EXPR_BINARY_BITWISE_AND:
case EXPR_BINARY_BITWISE_OR:
case EXPR_BINARY_BITWISE_XOR:
- case EXPR_BINARY_LOGICAL_AND:
- case EXPR_BINARY_LOGICAL_OR:
case EXPR_BINARY_SHIFTLEFT:
case EXPR_BINARY_SHIFTRIGHT:
case EXPR_BINARY_ISGREATER:
return is_constant_expression(expression->binary.left)
&& is_constant_expression(expression->binary.right);
+ case EXPR_BINARY_LOGICAL_AND: {
+ expression_t const *const left = expression->binary.left;
+ if (!is_constant_expression(left))
+ return false;
+ if (fold_constant(left) == 0)
+ return true;
+ 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(left) != 0)
+ return true;
+ return is_constant_expression(expression->binary.right);
+ }
+
case EXPR_COMPOUND_LITERAL:
return is_constant_initializer(expression->compound_literal.initializer);
return false;
long val = fold_constant(condition);
- if (val != 0)
- return is_constant_expression(expression->conditional.true_expression);
- else
+ if (val != 0) {
+ expression_t const *const t = expression->conditional.true_expression;
+ return t == NULL || is_constant_expression(t);
+ } else {
return is_constant_expression(expression->conditional.false_expression);
+ }
}
case EXPR_INVALID:
projects / cparser / blobdiff