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-rw-r--r--py/compile.c420
1 files changed, 17 insertions, 403 deletions
diff --git a/py/compile.c b/py/compile.c
index a124203e4..b7ec07029 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -49,7 +49,7 @@ typedef enum {
PN_const_object, // special node for a constant, generic Python object
} pn_kind_t;
-#define NEED_METHOD_TABLE (MICROPY_EMIT_CPYTHON || MICROPY_EMIT_NATIVE)
+#define NEED_METHOD_TABLE MICROPY_EMIT_NATIVE
#if NEED_METHOD_TABLE
@@ -323,23 +323,6 @@ STATIC mp_parse_node_t fold_constants(compiler_t *comp, mp_parse_node_t pn, mp_m
case PN_power:
if (0) {
-#if MICROPY_EMIT_CPYTHON
- } else if (MP_PARSE_NODE_IS_SMALL_INT(pns->nodes[0]) && MP_PARSE_NODE_IS_NULL(pns->nodes[1]) && !MP_PARSE_NODE_IS_NULL(pns->nodes[2])) {
- // int ** x
- // can overflow; enabled only to compare with CPython
- mp_parse_node_struct_t *pns2 = (mp_parse_node_struct_t*)pns->nodes[2];
- if (MP_PARSE_NODE_IS_SMALL_INT(pns2->nodes[0])) {
- int power = MP_PARSE_NODE_LEAF_SMALL_INT(pns2->nodes[0]);
- if (power >= 0) {
- int ans = 1;
- int base = MP_PARSE_NODE_LEAF_SMALL_INT(pns->nodes[0]);
- for (; power > 0; power--) {
- ans *= base;
- }
- pn = mp_parse_node_new_leaf(MP_PARSE_NODE_SMALL_INT, ans);
- }
- }
-#endif
#if MICROPY_COMP_MODULE_CONST
} else if (MP_PARSE_NODE_IS_ID(pns->nodes[0]) && MP_PARSE_NODE_IS_STRUCT_KIND(pns->nodes[1], PN_trailer_period) && MP_PARSE_NODE_IS_NULL(pns->nodes[2])) {
// id.id
@@ -464,163 +447,7 @@ STATIC void compile_delete_id(compiler_t *comp, qstr qst) {
}
}
-#if MICROPY_EMIT_CPYTHON
-STATIC bool cpython_c_tuple_is_const(mp_parse_node_t pn) {
- if (MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_string)) {
- return true;
- }
- if (MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_bytes)) {
- return true;
- }
- if (MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_const_object)) {
- return true;
- }
- if (!MP_PARSE_NODE_IS_LEAF(pn)) {
- return false;
- }
- if (MP_PARSE_NODE_IS_ID(pn)) {
- return false;
- }
- return true;
-}
-
-STATIC void cpython_c_print_quoted_str(vstr_t *vstr, const char *str, uint len, bool bytes) {
- bool has_single_quote = false;
- bool has_double_quote = false;
- for (int i = 0; i < len; i++) {
- if (str[i] == '\'') {
- has_single_quote = true;
- } else if (str[i] == '"') {
- has_double_quote = true;
- }
- }
- if (bytes) {
- vstr_printf(vstr, "b");
- }
- bool quote_single = false;
- if (has_single_quote && !has_double_quote) {
- vstr_printf(vstr, "\"");
- } else {
- quote_single = true;
- vstr_printf(vstr, "'");
- }
- for (int i = 0; i < len; i++) {
- if (str[i] == '\n') {
- vstr_printf(vstr, "\\n");
- } else if (str[i] == '\\') {
- vstr_printf(vstr, "\\\\");
- } else if (str[i] == '\'' && quote_single) {
- vstr_printf(vstr, "\\'");
- } else {
- vstr_printf(vstr, "%c", str[i]);
- }
- }
- if (has_single_quote && !has_double_quote) {
- vstr_printf(vstr, "\"");
- } else {
- vstr_printf(vstr, "'");
- }
-}
-
-STATIC void cpython_c_tuple_emit_const(compiler_t *comp, mp_parse_node_t pn, vstr_t *vstr) {
- if (MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_string) || MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_bytes)) {
- mp_parse_node_struct_t *pns = (mp_parse_node_struct_t*)pn;
- cpython_c_print_quoted_str(vstr, (const char*)pns->nodes[0], (mp_uint_t)pns->nodes[1], MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_bytes));
- return;
- }
-
- if (MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_const_object)) {
- mp_parse_node_struct_t *pns = (mp_parse_node_struct_t*)pn;
- mp_obj_print((mp_obj_t)pns->nodes[0], PRINT_REPR);
- return;
- }
-
- assert(MP_PARSE_NODE_IS_LEAF(pn));
- if (MP_PARSE_NODE_IS_SMALL_INT(pn)) {
- vstr_printf(vstr, INT_FMT, MP_PARSE_NODE_LEAF_SMALL_INT(pn));
- return;
- }
-
- mp_uint_t arg = MP_PARSE_NODE_LEAF_ARG(pn);
- switch (MP_PARSE_NODE_LEAF_KIND(pn)) {
- case MP_PARSE_NODE_ID: assert(0);
- case MP_PARSE_NODE_STRING:
- case MP_PARSE_NODE_BYTES: {
- mp_uint_t len;
- const byte *str = qstr_data(arg, &len);
- cpython_c_print_quoted_str(vstr, (const char*)str, len, MP_PARSE_NODE_LEAF_KIND(pn) == MP_PARSE_NODE_BYTES);
- break;
- }
- case MP_PARSE_NODE_TOKEN:
- switch (arg) {
- case MP_TOKEN_KW_FALSE: vstr_printf(vstr, "False"); break;
- case MP_TOKEN_KW_NONE: vstr_printf(vstr, "None"); break;
- case MP_TOKEN_KW_TRUE: vstr_printf(vstr, "True"); break;
- default: assert(0); // shouldn't happen
- }
- break;
- default: assert(0);
- }
-}
-
-STATIC void cpython_c_tuple(compiler_t *comp, mp_parse_node_t pn, mp_parse_node_struct_t *pns_list) {
- int n = 0;
- if (pns_list != NULL) {
- n = MP_PARSE_NODE_STRUCT_NUM_NODES(pns_list);
- }
- int total = n;
- bool is_const = true;
- if (!MP_PARSE_NODE_IS_NULL(pn)) {
- total += 1;
- if (!cpython_c_tuple_is_const(pn)) {
- is_const = false;
- }
- }
- for (int i = 0; i < n; i++) {
- if (!cpython_c_tuple_is_const(pns_list->nodes[i])) {
- is_const = false;
- break;
- }
- }
- if (total > 0 && is_const) {
- bool need_comma = false;
- vstr_t *vstr = vstr_new();
- vstr_printf(vstr, "(");
- if (!MP_PARSE_NODE_IS_NULL(pn)) {
- cpython_c_tuple_emit_const(comp, pn, vstr);
- need_comma = true;
- }
- for (int i = 0; i < n; i++) {
- if (need_comma) {
- vstr_printf(vstr, ", ");
- }
- cpython_c_tuple_emit_const(comp, pns_list->nodes[i], vstr);
- need_comma = true;
- }
- if (total == 1) {
- vstr_printf(vstr, ",)");
- } else {
- vstr_printf(vstr, ")");
- }
- EMIT_ARG(load_const_verbatim_strn, vstr_str(vstr), vstr_len(vstr));
- vstr_free(vstr);
- } else {
- if (!MP_PARSE_NODE_IS_NULL(pn)) {
- compile_node(comp, pn);
- }
- for (int i = 0; i < n; i++) {
- compile_node(comp, pns_list->nodes[i]);
- }
- EMIT_ARG(build_tuple, total);
- }
-}
-#endif
-
-// funnelling all tuple creations through this function is purely so we can optionally agree with CPython
STATIC void c_tuple(compiler_t *comp, mp_parse_node_t pn, mp_parse_node_struct_t *pns_list) {
-#if MICROPY_EMIT_CPYTHON
- cpython_c_tuple(comp, pn, pns_list);
-#else
int total = 0;
if (!MP_PARSE_NODE_IS_NULL(pn)) {
compile_node(comp, pn);
@@ -634,7 +461,6 @@ STATIC void c_tuple(compiler_t *comp, mp_parse_node_t pn, mp_parse_node_struct_t
total += n;
}
EMIT_ARG(build_tuple, total);
-#endif
}
STATIC void compile_generic_tuple(compiler_t *comp, mp_parse_node_struct_t *pns) {
@@ -652,66 +478,7 @@ STATIC bool node_is_const_true(mp_parse_node_t pn) {
|| (MP_PARSE_NODE_IS_SMALL_INT(pn) && MP_PARSE_NODE_LEAF_SMALL_INT(pn) != 0);
}
-#if MICROPY_EMIT_CPYTHON
-// the is_nested variable is purely to match with CPython, which doesn't fully optimise not's
-STATIC void cpython_c_if_cond(compiler_t *comp, mp_parse_node_t pn, bool jump_if, int label, bool is_nested) {
- if (node_is_const_false(pn)) {
- if (jump_if == false) {
- EMIT_ARG(jump, label);
- }
- return;
- } else if (node_is_const_true(pn)) {
- if (jump_if == true) {
- EMIT_ARG(jump, label);
- }
- return;
- } else if (MP_PARSE_NODE_IS_STRUCT(pn)) {
- mp_parse_node_struct_t *pns = (mp_parse_node_struct_t*)pn;
- int n = MP_PARSE_NODE_STRUCT_NUM_NODES(pns);
- if (MP_PARSE_NODE_STRUCT_KIND(pns) == PN_or_test) {
- if (jump_if == false) {
- uint label2 = comp_next_label(comp);
- for (int i = 0; i < n - 1; i++) {
- cpython_c_if_cond(comp, pns->nodes[i], true, label2, true);
- }
- cpython_c_if_cond(comp, pns->nodes[n - 1], false, label, true);
- EMIT_ARG(label_assign, label2);
- } else {
- for (int i = 0; i < n; i++) {
- cpython_c_if_cond(comp, pns->nodes[i], true, label, true);
- }
- }
- return;
- } else if (MP_PARSE_NODE_STRUCT_KIND(pns) == PN_and_test) {
- if (jump_if == false) {
- for (int i = 0; i < n; i++) {
- cpython_c_if_cond(comp, pns->nodes[i], false, label, true);
- }
- } else {
- uint label2 = comp_next_label(comp);
- for (int i = 0; i < n - 1; i++) {
- cpython_c_if_cond(comp, pns->nodes[i], false, label2, true);
- }
- cpython_c_if_cond(comp, pns->nodes[n - 1], true, label, true);
- EMIT_ARG(label_assign, label2);
- }
- return;
- } else if (!is_nested && MP_PARSE_NODE_STRUCT_KIND(pns) == PN_not_test_2) {
- cpython_c_if_cond(comp, pns->nodes[0], !jump_if, label, true);
- return;
- }
- }
-
- // nothing special, fall back to default compiling for node and jump
- compile_node(comp, pn);
- EMIT_ARG(pop_jump_if, jump_if, label);
-}
-#endif
-
STATIC void c_if_cond(compiler_t *comp, mp_parse_node_t pn, bool jump_if, int label) {
-#if MICROPY_EMIT_CPYTHON
- cpython_c_if_cond(comp, pn, jump_if, label, false);
-#else
if (node_is_const_false(pn)) {
if (jump_if == false) {
EMIT_ARG(jump, label);
@@ -773,7 +540,6 @@ STATIC void c_if_cond(compiler_t *comp, mp_parse_node_t pn, bool jump_if, int la
// nothing special, fall back to default compiling for node and jump
compile_node(comp, pn);
EMIT_ARG(pop_jump_if, jump_if, label);
-#endif
}
typedef enum { ASSIGN_STORE, ASSIGN_AUG_LOAD, ASSIGN_AUG_STORE } assign_kind_t;
@@ -992,8 +758,7 @@ STATIC void c_assign(compiler_t *comp, mp_parse_node_t pn, assign_kind_t assign_
compile_syntax_error(comp, pn, "illegal expression for augmented assignment");
}
-// stuff for lambda and comprehensions and generators
-// if we are not in CPython compatibility mode then:
+// stuff for lambda and comprehensions and generators:
// if n_pos_defaults > 0 then there is a tuple on the stack with the positional defaults
// if n_kw_defaults > 0 then there is a dictionary on the stack with the keyword defaults
// if both exist, the tuple is above the dictionary (ie the first pop gets the tuple)
@@ -1011,12 +776,8 @@ STATIC void close_over_variables_etc(compiler_t *comp, scope_t *this_scope, int
for (int j = 0; j < this_scope->id_info_len; j++) {
id_info_t *id2 = &this_scope->id_info[j];
if (id2->kind == ID_INFO_KIND_FREE && id->qst == id2->qst) {
-#if MICROPY_EMIT_CPYTHON
- EMIT_ARG(load_closure, id->qst, id->local_num);
-#else
// in Micro Python we load closures using LOAD_FAST
EMIT_LOAD_FAST(id->qst, id->local_num);
-#endif
nfree += 1;
}
}
@@ -1085,10 +846,6 @@ STATIC void compile_funcdef_param(compiler_t *comp, mp_parse_node_t pn) {
if (comp->have_star) {
comp->num_dict_params += 1;
-#if MICROPY_EMIT_CPYTHON
- EMIT_ARG(load_const_str, MP_PARSE_NODE_LEAF_ARG(pn_id));
- compile_node(comp, pn_equal);
-#else
// in Micro Python we put the default dict parameters into a dictionary using the bytecode
if (comp->num_dict_params == 1) {
// in Micro Python we put the default positional parameters into a tuple using the bytecode
@@ -1106,7 +863,6 @@ STATIC void compile_funcdef_param(compiler_t *comp, mp_parse_node_t pn) {
compile_node(comp, pn_equal);
EMIT_ARG(load_const_str, MP_PARSE_NODE_LEAF_ARG(pn_id));
EMIT(store_map);
-#endif
} else {
comp->num_default_params += 1;
compile_node(comp, pn_equal);
@@ -1143,14 +899,12 @@ STATIC qstr compile_funcdef_helper(compiler_t *comp, mp_parse_node_struct_t *pns
return MP_QSTR_NULL;
}
-#if !MICROPY_EMIT_CPYTHON
// in Micro Python we put the default positional parameters into a tuple using the bytecode
// the default keywords args may have already made the tuple; if not, do it now
if (comp->num_default_params > 0 && comp->num_dict_params == 0) {
EMIT_ARG(build_tuple, comp->num_default_params);
EMIT(load_null); // sentinel indicating empty default keyword args
}
-#endif
// get the scope for this function
scope_t *fscope = (scope_t*)pns->nodes[4];
@@ -1558,12 +1312,8 @@ STATIC void compile_import_from(compiler_t *comp, mp_parse_node_struct_t *pns) {
EMIT_ARG(load_const_small_int, import_level);
// build the "fromlist" tuple
-#if MICROPY_EMIT_CPYTHON
- EMIT_ARG(load_const_verbatim_strn, "('*',)", 6);
-#else
EMIT_ARG(load_const_str, MP_QSTR__star_);
EMIT_ARG(build_tuple, 1);
-#endif
// do the import
qstr dummy_q;
@@ -1576,31 +1326,6 @@ STATIC void compile_import_from(compiler_t *comp, mp_parse_node_struct_t *pns) {
// build the "fromlist" tuple
mp_parse_node_t *pn_nodes;
int n = mp_parse_node_extract_list(&pns->nodes[1], PN_import_as_names, &pn_nodes);
-#if MICROPY_EMIT_CPYTHON
- {
- vstr_t *vstr = vstr_new();
- vstr_printf(vstr, "(");
- for (int i = 0; i < n; i++) {
- assert(MP_PARSE_NODE_IS_STRUCT_KIND(pn_nodes[i], PN_import_as_name));
- mp_parse_node_struct_t *pns3 = (mp_parse_node_struct_t*)pn_nodes[i];
- qstr id2 = MP_PARSE_NODE_LEAF_ARG(pns3->nodes[0]); // should be id
- if (i > 0) {
- vstr_printf(vstr, ", ");
- }
- vstr_printf(vstr, "'");
- mp_uint_t len;
- const byte *str = qstr_data(id2, &len);
- vstr_add_strn(vstr, (const char*)str, len);
- vstr_printf(vstr, "'");
- }
- if (n == 1) {
- vstr_printf(vstr, ",");
- }
- vstr_printf(vstr, ")");
- EMIT_ARG(load_const_verbatim_strn, vstr_str(vstr), vstr_len(vstr));
- vstr_free(vstr);
- }
-#else
for (int i = 0; i < n; i++) {
assert(MP_PARSE_NODE_IS_STRUCT_KIND(pn_nodes[i], PN_import_as_name));
mp_parse_node_struct_t *pns3 = (mp_parse_node_struct_t*)pn_nodes[i];
@@ -1608,7 +1333,6 @@ STATIC void compile_import_from(compiler_t *comp, mp_parse_node_struct_t *pns) {
EMIT_ARG(load_const_str, id2);
}
EMIT_ARG(build_tuple, n);
-#endif
// do the import
qstr dummy_q;
@@ -1704,21 +1428,21 @@ STATIC void compile_if_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
uint l_end = comp_next_label(comp);
- // optimisation: don't emit anything when "if False" (not in CPython)
- if (MICROPY_EMIT_CPYTHON || !node_is_const_false(pns->nodes[0])) {
+ // optimisation: don't emit anything when "if False"
+ if (!node_is_const_false(pns->nodes[0])) {
uint l_fail = comp_next_label(comp);
c_if_cond(comp, pns->nodes[0], false, l_fail); // if condition
compile_node(comp, pns->nodes[1]); // if block
- // optimisation: skip everything else when "if True" (not in CPython)
- if (!MICROPY_EMIT_CPYTHON && node_is_const_true(pns->nodes[0])) {
+ // optimisation: skip everything else when "if True"
+ if (node_is_const_true(pns->nodes[0])) {
goto done;
}
if (
- // optimisation: don't jump over non-existent elif/else blocks (not in CPython)
- (MICROPY_EMIT_CPYTHON || !(MP_PARSE_NODE_IS_NULL(pns->nodes[2]) && MP_PARSE_NODE_IS_NULL(pns->nodes[3])))
+ // optimisation: don't jump over non-existent elif/else blocks
+ !(MP_PARSE_NODE_IS_NULL(pns->nodes[2]) && MP_PARSE_NODE_IS_NULL(pns->nodes[3]))
// optimisation: don't jump if last instruction was return
&& !EMIT(last_emit_was_return_value)
) {
@@ -1736,15 +1460,15 @@ STATIC void compile_if_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
assert(MP_PARSE_NODE_IS_STRUCT_KIND(pn_elif[i], PN_if_stmt_elif)); // should be
mp_parse_node_struct_t *pns_elif = (mp_parse_node_struct_t*)pn_elif[i];
- // optimisation: don't emit anything when "if False" (not in CPython)
- if (MICROPY_EMIT_CPYTHON || !node_is_const_false(pns_elif->nodes[0])) {
+ // optimisation: don't emit anything when "if False"
+ if (!node_is_const_false(pns_elif->nodes[0])) {
uint l_fail = comp_next_label(comp);
c_if_cond(comp, pns_elif->nodes[0], false, l_fail); // elif condition
compile_node(comp, pns_elif->nodes[1]); // elif block
- // optimisation: skip everything else when "elif True" (not in CPython)
- if (!MICROPY_EMIT_CPYTHON && node_is_const_true(pns_elif->nodes[0])) {
+ // optimisation: skip everything else when "elif True"
+ if (node_is_const_true(pns_elif->nodes[0])) {
goto done;
}
@@ -1781,23 +1505,6 @@ done:
STATIC void compile_while_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
START_BREAK_CONTINUE_BLOCK
- // compared to CPython, we have an optimised version of while loops
-#if MICROPY_EMIT_CPYTHON
- uint done_label = comp_next_label(comp);
- EMIT_ARG(setup_loop, break_label);
- EMIT_ARG(label_assign, continue_label);
- c_if_cond(comp, pns->nodes[0], false, done_label); // condition
- compile_node(comp, pns->nodes[1]); // body
- if (!EMIT(last_emit_was_return_value)) {
- EMIT_ARG(jump, continue_label);
- }
- EMIT_ARG(label_assign, done_label);
- // CPython does not emit POP_BLOCK if the condition was a constant; don't undertand why
- // this is a small hack to agree with CPython
- if (!node_is_const_true(pns->nodes[0])) {
- EMIT(pop_block);
- }
-#else
if (!node_is_const_false(pns->nodes[0])) { // optimisation: don't emit anything for "while False"
uint top_label = comp_next_label(comp);
if (!node_is_const_true(pns->nodes[0])) { // optimisation: don't jump to cond for "while True"
@@ -1808,7 +1515,6 @@ STATIC void compile_while_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
EMIT_ARG(label_assign, continue_label);
c_if_cond(comp, pns->nodes[0], true, top_label); // condition
}
-#endif
// break/continue apply to outer loop (if any) in the else block
END_BREAK_CONTINUE_BLOCK
@@ -1818,7 +1524,6 @@ STATIC void compile_while_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
EMIT_ARG(label_assign, break_label);
}
-#if !MICROPY_EMIT_CPYTHON
// This function compiles an optimised for-loop of the form:
// for <var> in range(<start>, <end>, <step>):
// <body>
@@ -1899,10 +1604,8 @@ STATIC void compile_for_stmt_optimised_range(compiler_t *comp, mp_parse_node_t p
EMIT(pop_top);
}
}
-#endif
STATIC void compile_for_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
-#if !MICROPY_EMIT_CPYTHON
// this bit optimises: for <x> in range(...), turning it into an explicitly incremented variable
// this is actually slower, but uses no heap memory
// for viper it will be much, much faster
@@ -1945,7 +1648,6 @@ STATIC void compile_for_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
}
}
}
-#endif
START_BREAK_CONTINUE_BLOCK
comp->break_label |= MP_EMIT_BREAK_FROM_FOR;
@@ -1953,11 +1655,6 @@ STATIC void compile_for_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
uint pop_label = comp_next_label(comp);
uint end_label = comp_next_label(comp);
- // I don't think our implementation needs SETUP_LOOP/POP_BLOCK for for-statements
-#if MICROPY_EMIT_CPYTHON
- EMIT_ARG(setup_loop, end_label);
-#endif
-
compile_node(comp, pns->nodes[1]); // iterator
EMIT(get_iter);
EMIT_ARG(label_assign, continue_label);
@@ -1973,10 +1670,6 @@ STATIC void compile_for_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
// break/continue apply to outer loop (if any) in the else block
END_BREAK_CONTINUE_BLOCK
-#if MICROPY_EMIT_CPYTHON
- EMIT(pop_block);
-#endif
-
compile_node(comp, pns->nodes[3]); // else (not tested)
EMIT_ARG(label_assign, break_label);
@@ -2233,7 +1926,7 @@ STATIC void compile_expr_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
&& MP_PARSE_NODE_IS_STRUCT_KIND(pns->nodes[0], PN_testlist_star_expr)
&& MP_PARSE_NODE_STRUCT_NUM_NODES((mp_parse_node_struct_t*)pns1->nodes[0]) == 2
&& MP_PARSE_NODE_STRUCT_NUM_NODES((mp_parse_node_struct_t*)pns->nodes[0]) == 2) {
- // optimisation for a, b = c, d; to match CPython's optimisation
+ // optimisation for a, b = c, d
mp_parse_node_struct_t *pns10 = (mp_parse_node_struct_t*)pns1->nodes[0];
mp_parse_node_struct_t *pns0 = (mp_parse_node_struct_t*)pns->nodes[0];
if (MP_PARSE_NODE_IS_STRUCT_KIND(pns0->nodes[0], PN_star_expr)
@@ -2251,7 +1944,7 @@ STATIC void compile_expr_stmt(compiler_t *comp, mp_parse_node_struct_t *pns) {
&& MP_PARSE_NODE_IS_STRUCT_KIND(pns->nodes[0], PN_testlist_star_expr)
&& MP_PARSE_NODE_STRUCT_NUM_NODES((mp_parse_node_struct_t*)pns1->nodes[0]) == 3
&& MP_PARSE_NODE_STRUCT_NUM_NODES((mp_parse_node_struct_t*)pns->nodes[0]) == 3) {
- // optimisation for a, b, c = d, e, f; to match CPython's optimisation
+ // optimisation for a, b, c = d, e, f
mp_parse_node_struct_t *pns10 = (mp_parse_node_struct_t*)pns1->nodes[0];
mp_parse_node_struct_t *pns0 = (mp_parse_node_struct_t*)pns->nodes[0];
if (MP_PARSE_NODE_IS_STRUCT_KIND(pns0->nodes[0], PN_star_expr)
@@ -2485,7 +2178,6 @@ STATIC void compile_power(compiler_t *comp, mp_parse_node_struct_t *pns) {
STATIC void compile_trailer_paren_helper(compiler_t *comp, mp_parse_node_t pn_arglist, bool is_method_call, int n_positional_extra) {
// function to call is on top of stack
-#if !MICROPY_EMIT_CPYTHON
// this is to handle special super() call
if (MP_PARSE_NODE_IS_NULL(pn_arglist) && comp->func_arg_is_super && comp->scope_cur->kind == SCOPE_FUNCTION) {
compile_load_id(comp, MP_QSTR___class__);
@@ -2501,7 +2193,6 @@ STATIC void compile_trailer_paren_helper(compiler_t *comp, mp_parse_node_t pn_ar
compile_syntax_error(comp, MP_PARSE_NODE_NULL, "super() call cannot find self"); // really a TypeError
return;
}
-#endif
// get the list of arguments
mp_parse_node_t *args;
@@ -3184,7 +2875,7 @@ STATIC void compile_scope_comp_iter(compiler_t *comp, mp_parse_node_t pn_iter, m
}
STATIC void check_for_doc_string(compiler_t *comp, mp_parse_node_t pn) {
-#if MICROPY_EMIT_CPYTHON || MICROPY_ENABLE_DOC_STRING
+#if MICROPY_ENABLE_DOC_STRING
// see http://www.python.org/dev/peps/pep-0257/
// look for the first statement
@@ -3240,12 +2931,6 @@ STATIC void compile_scope(compiler_t *comp, scope_t *scope, pass_kind_t pass) {
scope->exc_stack_size = 0;
}
-#if MICROPY_EMIT_CPYTHON
- if (comp->pass == MP_PASS_EMIT) {
- scope_print_info(scope);
- }
-#endif
-
// compile
if (MP_PARSE_NODE_IS_STRUCT_KIND(scope->pn, PN_eval_input)) {
assert(scope->kind == SCOPE_MODULE);
@@ -3331,11 +3016,7 @@ STATIC void compile_scope(compiler_t *comp, scope_t *scope, pass_kind_t pass) {
// CPython uses .0, but we should be able to use anything that won't
// clash with a user defined variable. Best to use an existing qstr,
// so we use the blank qstr.
-#if MICROPY_EMIT_CPYTHON
- qstr qstr_arg = QSTR_FROM_STR_STATIC(".0");
-#else
qstr qstr_arg = MP_QSTR_;
-#endif
if (comp->pass == MP_PASS_SCOPE) {
bool added;
id_info_t *id_info = scope_find_or_add_id(comp->scope_cur, qstr_arg, &added);
@@ -3395,11 +3076,7 @@ STATIC void compile_scope(compiler_t *comp, scope_t *scope, pass_kind_t pass) {
if (id->kind == ID_INFO_KIND_LOCAL) {
EMIT_ARG(load_const_tok, MP_TOKEN_KW_NONE);
} else {
-#if MICROPY_EMIT_CPYTHON
- EMIT_ARG(load_closure, MP_QSTR___class__, 0); // XXX check this is the correct local num
-#else
EMIT_LOAD_FAST(MP_QSTR___class__, id->local_num);
-#endif
}
EMIT(return_value);
}
@@ -3547,7 +3224,6 @@ STATIC void compile_scope_inline_asm(compiler_t *comp, scope_t *scope, pass_kind
#endif
STATIC void scope_compute_things(scope_t *scope) {
-#if !MICROPY_EMIT_CPYTHON
// in Micro Python we put the *x parameter after all other parameters (except **y)
if (scope->scope_flags & MP_SCOPE_FLAG_VARARGS) {
id_info_t *id_param = NULL;
@@ -3564,7 +3240,6 @@ STATIC void scope_compute_things(scope_t *scope) {
}
}
}
-#endif
// in functions, turn implicit globals into explicit globals
// compute the index of each local
@@ -3584,19 +3259,9 @@ STATIC void scope_compute_things(scope_t *scope) {
}
}
- // compute the index of cell vars (freevars[idx] in CPython)
-#if MICROPY_EMIT_CPYTHON
- int num_cell = 0;
-#endif
+ // compute the index of cell vars
for (int i = 0; i < scope->id_info_len; i++) {
id_info_t *id = &scope->id_info[i];
-#if MICROPY_EMIT_CPYTHON
- // in CPython the cells are numbered starting from 0
- if (id->kind == ID_INFO_KIND_CELL) {
- id->local_num = num_cell;
- num_cell += 1;
- }
-#else
// in Micro Python the cells come right after the fast locals
// parameters are not counted here, since they remain at the start
// of the locals, even if they are cell vars
@@ -3604,10 +3269,9 @@ STATIC void scope_compute_things(scope_t *scope) {
id->local_num = scope->num_locals;
scope->num_locals += 1;
}
-#endif
}
- // compute the index of free vars (freevars[idx] in CPython)
+ // compute the index of free vars
// make sure they are in the order of the parent scope
if (scope->parent != NULL) {
int num_free = 0;
@@ -3618,19 +3282,13 @@ STATIC void scope_compute_things(scope_t *scope) {
id_info_t *id2 = &scope->id_info[j];
if (id2->kind == ID_INFO_KIND_FREE && id->qst == id2->qst) {
assert(!(id2->flags & ID_FLAG_IS_PARAM)); // free vars should not be params
-#if MICROPY_EMIT_CPYTHON
- // in CPython the frees are numbered after the cells
- id2->local_num = num_cell + num_free;
-#else
// in Micro Python the frees come first, before the params
id2->local_num = num_free;
-#endif
num_free += 1;
}
}
}
}
-#if !MICROPY_EMIT_CPYTHON
// in Micro Python shift all other locals after the free locals
if (num_free > 0) {
for (int i = 0; i < scope->id_info_len; i++) {
@@ -3642,23 +3300,9 @@ STATIC void scope_compute_things(scope_t *scope) {
scope->num_pos_args += num_free; // free vars are counted as params for passing them into the function
scope->num_locals += num_free;
}
-#endif
}
// compute scope_flags
-
-#if MICROPY_EMIT_CPYTHON
- // these flags computed here are for CPython compatibility only
- if (scope->kind == SCOPE_FUNCTION || scope->kind == SCOPE_LAMBDA || scope->kind == SCOPE_LIST_COMP || scope->kind == SCOPE_DICT_COMP || scope->kind == SCOPE_SET_COMP || scope->kind == SCOPE_GEN_EXPR) {
- assert(scope->parent != NULL);
- scope->scope_flags |= MP_SCOPE_FLAG_NEWLOCALS;
- scope->scope_flags |= MP_SCOPE_FLAG_OPTIMISED;
- if ((SCOPE_FUNCTION <= scope->parent->kind && scope->parent->kind <= SCOPE_SET_COMP) || (scope->parent->kind == SCOPE_CLASS && scope->parent->parent->kind == SCOPE_FUNCTION)) {
- scope->scope_flags |= MP_SCOPE_FLAG_NESTED;
- }
- }
-#endif
-
int num_free = 0;
for (int i = 0; i < scope->id_info_len; i++) {
id_info_t *id = &scope->id_info[i];
@@ -3688,22 +3332,13 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
mp_map_deinit(&consts);
// create standard emitter; it's used at least for MP_PASS_SCOPE
- #if MICROPY_EMIT_CPYTHON
- emit_t *emit_cpython = emit_cpython_new();
- #else
emit_t *emit_bc = emit_bc_new();
- #endif
// compile pass 1
- #if MICROPY_EMIT_CPYTHON
- comp->emit = emit_cpython;
- comp->emit_method_table = &emit_cpython_method_table;
- #else
comp->emit = emit_bc;
#if MICROPY_EMIT_NATIVE
comp->emit_method_table = &emit_bc_method_table;
#endif
- #endif
#if MICROPY_EMIT_INLINE_THUMB
comp->emit_inline_asm = NULL;
comp->emit_inline_asm_method_table = NULL;
@@ -3731,21 +3366,15 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
}
// set max number of labels now that it's calculated
- #if MICROPY_EMIT_CPYTHON
- emit_cpython_set_max_num_labels(emit_cpython, max_num_labels);
- #else
emit_bc_set_max_num_labels(emit_bc, max_num_labels);
- #endif
// compile pass 2 and 3
-#if !MICROPY_EMIT_CPYTHON
#if MICROPY_EMIT_NATIVE
emit_t *emit_native = NULL;
#endif
#if MICROPY_EMIT_INLINE_THUMB
emit_inline_asm_t *emit_inline_thumb = NULL;
#endif
-#endif // !MICROPY_EMIT_CPYTHON
for (scope_t *s = comp->scope_head; s != NULL && comp->compile_error == MP_OBJ_NULL; s = s->next) {
if (false) {
// dummy
@@ -3770,10 +3399,6 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
// choose the emit type
-#if MICROPY_EMIT_CPYTHON
- comp->emit = emit_cpython;
- comp->emit_method_table = &emit_cpython_method_table;
-#else
switch (s->emit_options) {
#if MICROPY_EMIT_NATIVE
@@ -3812,7 +3437,6 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
#endif
break;
}
-#endif // !MICROPY_EMIT_CPYTHON
// need a pass to compute stack size
compile_scope(comp, s, MP_PASS_STACK_SIZE);
@@ -3840,9 +3464,6 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
// free the emitters
-#if MICROPY_EMIT_CPYTHON
- emit_cpython_free(emit_cpython);
-#else
emit_bc_free(emit_bc);
#if MICROPY_EMIT_NATIVE
if (emit_native != NULL) {
@@ -3862,7 +3483,6 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
emit_inline_thumb_free(emit_inline_thumb);
}
#endif
-#endif // MICROPY_EMIT_CPYTHON
// free the parse tree
mp_parse_node_free(module_scope->pn);
@@ -3882,13 +3502,7 @@ mp_obj_t mp_compile(mp_parse_node_t pn, qstr source_file, uint emit_opt, bool is
if (compile_error != MP_OBJ_NULL) {
nlr_raise(compile_error);
} else {
-#if MICROPY_EMIT_CPYTHON
- // can't create code, so just return true
- (void)outer_raw_code; // to suppress warning that outer_raw_code is unused
- return mp_const_true;
-#else
// return function that executes the outer module
return mp_make_function_from_raw_code(outer_raw_code, MP_OBJ_NULL, MP_OBJ_NULL);
-#endif
}
}