#include "walk_statements.h"
-static void walk_expression(expression_t const *const expr, statement_callback const callback, void *const env)
+static void walk_expression(expression_t const *const expr,
+ statement_callback const callback, void *const env)
{
switch (expr->base.kind) {
- case EXPR_STATEMENT:
- walk_statements(expr->statement.statement, callback, env);
- return;
+ case EXPR_STATEMENT:
+ walk_statements(expr->statement.statement, callback, env);
+ return;
- EXPR_BINARY_CASES
- walk_expression(expr->binary.left, callback, env);
- walk_expression(expr->binary.right, callback, env);
- return;
+ EXPR_BINARY_CASES
+ walk_expression(expr->binary.left, callback, env);
+ walk_expression(expr->binary.right, callback, env);
+ return;
- EXPR_UNARY_CASES_OPTIONAL
- if (expr->unary.value == NULL)
- return;
- /* FALLTHROUGH */
- EXPR_UNARY_CASES_MANDATORY
- walk_expression(expr->unary.value, callback, env);
+ EXPR_UNARY_CASES_OPTIONAL
+ if (expr->unary.value == NULL)
return;
+ /* FALLTHROUGH */
+ EXPR_UNARY_CASES_MANDATORY
+ walk_expression(expr->unary.value, callback, env);
+ return;
- case EXPR_CALL:
- for (call_argument_t *arg = expr->call.arguments; arg != NULL; arg = arg->next) {
- walk_expression(arg->expression, callback, env);
- }
- return;
+ case EXPR_CALL:
+ for (call_argument_t *arg = expr->call.arguments; arg != NULL;
+ arg = arg->next) {
+ walk_expression(arg->expression, callback, env);
+ }
+ return;
- case EXPR_UNKNOWN:
- case EXPR_INVALID:
- panic("unexpected expr kind");
+ case EXPR_UNKNOWN:
+ case EXPR_INVALID:
+ panic("unexpected expr kind");
- case EXPR_COMPOUND_LITERAL:
- /* TODO... */
- break;
+ case EXPR_COMPOUND_LITERAL:
+ /* TODO... */
+ break;
- case EXPR_CONDITIONAL:
- walk_expression(expr->conditional.condition, callback, env);
+ case EXPR_CONDITIONAL:
+ walk_expression(expr->conditional.condition, callback, env);
+ /* may be NULL because of gnu extension */
+ if (expr->conditional.true_expression != NULL)
walk_expression(expr->conditional.true_expression, callback, env);
- walk_expression(expr->conditional.false_expression, callback, env);
- return;
+ walk_expression(expr->conditional.false_expression, callback, env);
+ return;
- case EXPR_BUILTIN_PREFETCH:
- walk_expression(expr->builtin_prefetch.adr, callback, env);
- walk_expression(expr->builtin_prefetch.rw, callback, env);
- walk_expression(expr->builtin_prefetch.locality, callback, env);
- return;
+ case EXPR_BUILTIN_PREFETCH:
+ walk_expression(expr->builtin_prefetch.adr, callback, env);
+ walk_expression(expr->builtin_prefetch.rw, callback, env);
+ walk_expression(expr->builtin_prefetch.locality, callback, env);
+ return;
- case EXPR_BUILTIN_CONSTANT_P:
- walk_expression(expr->builtin_constant.value, callback, env);
- return;
+ case EXPR_BUILTIN_CONSTANT_P:
+ walk_expression(expr->builtin_constant.value, callback, env);
+ return;
- case EXPR_SELECT:
- walk_expression(expr->select.compound, callback, env);
- return;
+ case EXPR_SELECT:
+ walk_expression(expr->select.compound, callback, env);
+ return;
- case EXPR_ARRAY_ACCESS:
- walk_expression(expr->array_access.array_ref, callback, env);
- walk_expression(expr->array_access.index, callback, env);
- return;
+ case EXPR_ARRAY_ACCESS:
+ walk_expression(expr->array_access.array_ref, callback, env);
+ walk_expression(expr->array_access.index, callback, env);
+ return;
- case EXPR_CLASSIFY_TYPE:
- walk_expression(expr->classify_type.type_expression, callback, env);
- return;
+ case EXPR_CLASSIFY_TYPE:
+ walk_expression(expr->classify_type.type_expression, callback, env);
+ return;
- case EXPR_SIZEOF:
- case EXPR_ALIGNOF: {
- expression_t *tp_expression = expr->typeprop.tp_expression;
- if (tp_expression != NULL) {
- walk_expression(tp_expression, callback, env);
- }
- return;
+ case EXPR_SIZEOF:
+ case EXPR_ALIGNOF: {
+ expression_t *tp_expression = expr->typeprop.tp_expression;
+ if (tp_expression != NULL) {
+ walk_expression(tp_expression, callback, env);
}
+ return;
+ }
- case EXPR_OFFSETOF:
- case EXPR_REFERENCE:
- case EXPR_REFERENCE_ENUM_VALUE:
- case EXPR_CONST:
- case EXPR_CHARACTER_CONSTANT:
- case EXPR_WIDE_CHARACTER_CONSTANT:
- case EXPR_STRING_LITERAL:
- case EXPR_WIDE_STRING_LITERAL:
- case EXPR_FUNCNAME:
- case EXPR_BUILTIN_SYMBOL:
- case EXPR_VA_START:
- case EXPR_VA_ARG:
- case EXPR_LABEL_ADDRESS:
- break;
+ case EXPR_OFFSETOF:
+ case EXPR_REFERENCE:
+ case EXPR_REFERENCE_ENUM_VALUE:
+ case EXPR_CONST:
+ case EXPR_CHARACTER_CONSTANT:
+ case EXPR_WIDE_CHARACTER_CONSTANT:
+ case EXPR_STRING_LITERAL:
+ case EXPR_WIDE_STRING_LITERAL:
+ case EXPR_FUNCNAME:
+ case EXPR_BUILTIN_SYMBOL:
+ case EXPR_VA_START:
+ case EXPR_VA_ARG:
+ case EXPR_LABEL_ADDRESS:
+ break;
}
/* TODO FIXME: implement all the missing expressions here */