3 #include "walk_statements.h"
6 static void walk_expression(expression_t const *const expr, statement_callback const callback, void *const env)
8 switch (expr->base.kind) {
10 walk_statements(expr->statement.statement, callback, env);
14 walk_expression(expr->binary.left, callback, env);
15 walk_expression(expr->binary.right, callback, env);
19 walk_expression(expr->unary.value, callback, env);
23 for (call_argument_t *arg = expr->call.arguments; arg != NULL; arg = arg->next) {
24 walk_expression(arg->expression, callback, env);
30 panic("unexpected expr kind");
32 case EXPR_COMPOUND_LITERAL:
36 case EXPR_CONDITIONAL:
37 walk_expression(expr->conditional.condition, callback, env);
38 walk_expression(expr->conditional.true_expression, callback, env);
39 walk_expression(expr->conditional.false_expression, callback, env);
42 case EXPR_BUILTIN_PREFETCH:
43 walk_expression(expr->builtin_prefetch.adr, callback, env);
44 walk_expression(expr->builtin_prefetch.rw, callback, env);
45 walk_expression(expr->builtin_prefetch.locality, callback, env);
48 case EXPR_BUILTIN_CONSTANT_P:
49 walk_expression(expr->builtin_constant.value, callback, env);
53 walk_expression(expr->select.compound, callback, env);
56 case EXPR_ARRAY_ACCESS:
57 walk_expression(expr->array_access.array_ref, callback, env);
58 walk_expression(expr->array_access.index, callback, env);
61 case EXPR_CLASSIFY_TYPE:
62 walk_expression(expr->classify_type.type_expression, callback, env);
67 expression_t *tp_expression = expr->typeprop.tp_expression;
68 if (tp_expression != NULL) {
69 walk_expression(tp_expression, callback, env);
77 case EXPR_CHARACTER_CONSTANT:
78 case EXPR_WIDE_CHARACTER_CONSTANT:
79 case EXPR_STRING_LITERAL:
80 case EXPR_WIDE_STRING_LITERAL:
82 case EXPR_BUILTIN_SYMBOL:
85 case EXPR_LABEL_ADDRESS:
89 /* TODO FIXME: implement all the missing expressions here */
93 static void walk_declarations(const declaration_t * decl,
94 const declaration_t *const end,
95 statement_callback const callback,
98 for (; decl != end; decl = decl->next) {
99 if (decl->namespc != NAMESPACE_NORMAL)
102 const initializer_t *initializer = decl->init.initializer;
103 /* FIXME: should walk initializer hierarchies... */
104 if (initializer != NULL && initializer->kind == INITIALIZER_VALUE) {
105 walk_expression(initializer->value.value, callback, env);
111 void walk_statements(statement_t *const stmt, statement_callback const callback, void *const env)
115 switch (stmt->kind) {
116 case STATEMENT_COMPOUND:
117 for (statement_t *s = stmt->compound.statements; s != NULL; s = s->base.next) {
118 walk_statements(s, callback, env);
123 walk_declarations(stmt->fors.scope.declarations, NULL, callback, env);
124 if (stmt->fors.initialisation != NULL)
125 walk_expression(stmt->fors.initialisation, callback, env);
126 if (stmt->fors.condition != NULL)
127 walk_expression(stmt->fors.condition, callback, env);
128 if (stmt->fors.step != NULL)
129 walk_expression(stmt->fors.step, callback, env);
130 walk_statements(stmt->fors.body, callback, env);
134 walk_expression(stmt->ifs.condition, callback, env);
135 walk_statements(stmt->ifs.true_statement, callback, env);
136 if (stmt->ifs.false_statement != NULL)
137 walk_statements(stmt->ifs.false_statement, callback, env);
140 case STATEMENT_SWITCH:
141 walk_expression(stmt->switchs.expression, callback, env);
142 walk_statements(stmt->switchs.body, callback, env);
145 case STATEMENT_LABEL:
146 walk_statements(stmt->label.statement, callback, env);
149 case STATEMENT_CASE_LABEL:
150 walk_statements(stmt->case_label.statement, callback, env);
153 case STATEMENT_WHILE:
154 walk_expression(stmt->whiles.condition, callback, env);
155 walk_statements(stmt->whiles.body, callback, env);
158 case STATEMENT_DO_WHILE:
159 walk_statements(stmt->do_while.body, callback, env);
160 walk_expression(stmt->do_while.condition, callback, env);
163 case STATEMENT_EXPRESSION:
164 walk_expression(stmt->expression.expression, callback, env);
167 case STATEMENT_RETURN:
168 if (stmt->returns.value != NULL)
169 walk_expression(stmt->returns.value, callback, env);
172 case STATEMENT_DECLARATION:
173 walk_declarations(stmt->declaration.declarations_begin,
174 stmt->declaration.declarations_end->next,
178 case STATEMENT_MS_TRY:
179 walk_statements(stmt->ms_try.try_statement, callback, env);
180 walk_statements(stmt->ms_try.final_statement, callback, env);
183 case STATEMENT_INVALID:
184 case STATEMENT_EMPTY:
185 case STATEMENT_CONTINUE:
186 case STATEMENT_BREAK:
189 case STATEMENT_LEAVE:
193 panic("unhandled statement");