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Merge pull request #214 from pfalcon/compile-mem-leaks 

Memory leaks in lexer/compiler
This commit is contained in:
Damien George 2014-01-23 14:27:40 -08:00
parent 3257d3543b fd31358505
commit d552db426b
4 changed files with 15 additions and 2 deletions
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10
py/compile.c
View File

@ -3156,6 +3156,12 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, bool is_repl) {
bool had_error = comp->had_error;
m_del_obj(compiler_t, comp);
uint unique_code_id = module_scope->unique_code_id;
for (scope_t *s = module_scope; s;) {
scope_t *next = s->next;
scope_free(s);
s = next;
}
if (had_error) {
// TODO return a proper error message
@ -3163,11 +3169,11 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, bool is_repl) {
} else {
#if MICROPY_EMIT_CPYTHON
// can't create code, so just return true
(void)module_scope; // to suppress warning that module_scope is unused
(void)unique_code_id; // to suppress warning that module_scope is unused
return mp_const_true;
#else
// return function that executes the outer module
return rt_make_function_from_id(module_scope->unique_code_id);
return rt_make_function_from_id(unique_code_id);
#endif
}
}

1
py/lexer.c
View File

@ -691,6 +691,7 @@ void mp_lexer_free(mp_lexer_t *lex) {
lex->stream_close(lex->stream_data);
}
vstr_clear(&lex->vstr);
m_del(uint16_t, lex->indent_level, lex->alloc_indent_level);
m_del_obj(mp_lexer_t, lex);
}
}

5
py/scope.c
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@ -60,6 +60,11 @@ scope_t *scope_new(scope_kind_t kind, mp_parse_node_t pn, qstr source_file, uint
return scope;
}
void scope_free(scope_t *scope) {
m_del(id_info_t, scope->id_info, scope->id_info_alloc);
m_del(scope_t, scope, 1);
}
id_info_t *scope_find_or_add_id(scope_t *scope, qstr qstr, bool *added) {
for (int i = 0; i < scope->id_info_len; i++) {
if (scope->id_info[i].qstr == qstr) {

1
py/scope.h
View File

@ -56,6 +56,7 @@ typedef struct _scope_t {
} scope_t;
scope_t *scope_new(scope_kind_t kind, mp_parse_node_t pn, qstr source_file, uint unique_code_id, uint emit_options);
void scope_free(scope_t *scope);
id_info_t *scope_find_or_add_id(scope_t *scope, qstr qstr, bool *added);
id_info_t *scope_find(scope_t *scope, qstr qstr);
id_info_t *scope_find_global(scope_t *scope, qstr qstr);