diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/compile.c | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/Python/compile.c b/Python/compile.c index 5120916..537aaac 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -668,20 +668,21 @@ static void com_push(struct compiling *c, int n) { c->c_stacklevel += n; - if (c->c_stacklevel > c->c_maxstacklevel) + if (c->c_stacklevel > c->c_maxstacklevel) { c->c_maxstacklevel = c->c_stacklevel; + /* + fprintf(stderr, "%s:%s:%d max stack nexti=%d level=%d n=%d\n", + c->c_filename, c->c_name, c->c_lineno, + c->c_nexti, c->c_stacklevel, n); + */ + } } static void com_pop(struct compiling *c, int n) { - if (c->c_stacklevel < n) { - /* fprintf(stderr, - "%s:%d: underflow! nexti=%d, level=%d, n=%d\n", - c->c_filename, c->c_lineno, - c->c_nexti, c->c_stacklevel, n); */ + if (c->c_stacklevel < n) c->c_stacklevel = 0; - } else c->c_stacklevel -= n; } @@ -695,26 +696,26 @@ com_done(struct compiling *c) _PyString_Resize(&c->c_lnotab, c->c_lnotab_next); } +static int +com_check_size(PyObject **s, int offset) +{ + int len = PyString_GET_SIZE(*s); + if (offset >= len) + return _PyString_Resize(s, len * 2); + return 0; +} + static void com_addbyte(struct compiling *c, int byte) { - int len; /*fprintf(stderr, "%3d: %3d\n", c->c_nexti, byte);*/ assert(byte >= 0 && byte <= 255); - if (byte < 0 || byte > 255) { - com_error(c, PyExc_SystemError, - "com_addbyte: byte out of range"); - } - if (c->c_code == NULL) + assert(c->c_code); + if (com_check_size(&c->c_code, c->c_nexti)) { + c->c_errors++; return; - len = PyString_Size(c->c_code); - if (c->c_nexti >= len) { - if (_PyString_Resize(&c->c_code, len+1000) != 0) { - c->c_errors++; - return; - } } - PyString_AsString(c->c_code)[c->c_nexti++] = byte; + PyString_AS_STRING(c->c_code)[c->c_nexti++] = byte; } static void @@ -727,18 +728,14 @@ com_addint(struct compiling *c, int x) static void com_add_lnotab(struct compiling *c, int addr, int line) { - int size; char *p; if (c->c_lnotab == NULL) return; - size = PyString_Size(c->c_lnotab); - if (c->c_lnotab_next+2 > size) { - if (_PyString_Resize(&c->c_lnotab, size + 1000) < 0) { - c->c_errors++; - return; - } + if (com_check_size(&c->c_lnotab, c->c_lnotab_next + 2)) { + c->c_errors++; + return; } - p = PyString_AsString(c->c_lnotab) + c->c_lnotab_next; + p = PyString_AS_STRING(c->c_lnotab) + c->c_lnotab_next; *p++ = addr; *p++ = line; c->c_lnotab_next += 2; @@ -804,7 +801,7 @@ com_addfwref(struct compiling *c, int op, int *p_anchor) static void com_backpatch(struct compiling *c, int anchor) { - unsigned char *code = (unsigned char *) PyString_AsString(c->c_code); + unsigned char *code = (unsigned char *) PyString_AS_STRING(c->c_code); int target = c->c_nexti; int dist; int prev; @@ -2326,26 +2323,27 @@ com_test(struct compiling *c, node *n) { REQ(n, test); /* and_test ('or' and_test)* | lambdef */ if (NCH(n) == 1 && TYPE(CHILD(n, 0)) == lambdef) { - PyObject *co; + PyCodeObject *co; int i, closure; int ndefs = com_argdefs(c, CHILD(n, 0)); symtable_enter_scope(c->c_symtable, "lambda", lambdef, n->n_lineno); - co = (PyObject *) icompile(CHILD(n, 0), c); + co = icompile(CHILD(n, 0), c); if (co == NULL) { c->c_errors++; return; } symtable_exit_scope(c->c_symtable); - i = com_addconst(c, co); - closure = com_make_closure(c, (PyCodeObject *)co); - Py_DECREF(co); + i = com_addconst(c, (PyObject *)co); + closure = com_make_closure(c, co); com_addoparg(c, LOAD_CONST, i); com_push(c, 1); - if (closure) + if (closure) { com_addoparg(c, MAKE_CLOSURE, ndefs); - else + com_pop(c, PyTuple_GET_SIZE(co->co_freevars)); + } else com_addoparg(c, MAKE_FUNCTION, ndefs); + Py_DECREF(co); com_pop(c, ndefs); } else { @@ -3564,7 +3562,8 @@ static void com_classdef(struct compiling *c, node *n) { int i; - PyObject *co, *v; + PyObject *v; + PyCodeObject *co; char *name; REQ(n, classdef); @@ -3587,23 +3586,25 @@ com_classdef(struct compiling *c, node *n) com_bases(c, CHILD(n, 3)); name = STR(CHILD(n, 1)); symtable_enter_scope(c->c_symtable, name, TYPE(n), n->n_lineno); - co = (PyObject *)icompile(n, c); + co = icompile(n, c); symtable_exit_scope(c->c_symtable); if (co == NULL) c->c_errors++; else { - int closure = com_make_closure(c, (PyCodeObject *)co); - i = com_addconst(c, co); + int closure = com_make_closure(c, co); + i = com_addconst(c, (PyObject *)co); com_addoparg(c, LOAD_CONST, i); com_push(c, 1); - if (closure) + if (closure) { com_addoparg(c, MAKE_CLOSURE, 0); - else + com_pop(c, PyTuple_GET_SIZE(co->co_freevars)); + } else com_addoparg(c, MAKE_FUNCTION, 0); com_addoparg(c, CALL_FUNCTION, 0); com_addbyte(c, BUILD_CLASS); com_pop(c, 2); com_addop_varname(c, VAR_STORE, STR(CHILD(n, 1))); + com_pop(c, 1); Py_DECREF(co); } } @@ -4082,8 +4083,7 @@ jcompile(node *n, char *filename, struct compiling *base, if (base->c_nested || (sc.c_symtable->st_cur->ste_type == TYPE_FUNCTION)) sc.c_nested = 1; - sc.c_flags |= base->c_flags & (CO_GENERATOR_ALLOWED | - CO_FUTURE_DIVISION); + sc.c_flags |= base->c_flags & PyCF_MASK; } else { sc.c_private = NULL; sc.c_future = PyNode_Future(n, filename); |