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py, compiler: Fix compiling of keyword args following named star.

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This commit is contained in:
Damien George 2014-04-11 23:25:34 +01:00
parent 1184094839
commit 8b19db00aa
1 changed files with 19 additions and 14 deletions
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33
py/compile.c
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@ -52,7 +52,7 @@ typedef struct _compiler_t {
uint16_t n_arg_keyword;
uint8_t star_flags;
uint8_t have_bare_star;
uint8_t have_star;
uint16_t num_dict_params;
uint16_t num_default_params;
@ -858,13 +858,18 @@ void close_over_variables_etc(compiler_t *comp, scope_t *this_scope, int n_pos_d
void compile_funcdef_param(compiler_t *comp, mp_parse_node_t pn) {
if (MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_typedargslist_star)) {
comp->have_star = true;
/* don't need to distinguish bare from named star
mp_parse_node_struct_t *pns = (mp_parse_node_struct_t*)pn;
if (MP_PARSE_NODE_IS_NULL(pns->nodes[0])) {
// bare star
comp->have_bare_star = true;
} else {
// named star
}
*/
} else if (MP_PARSE_NODE_IS_STRUCT_KIND(pn, PN_typedargslist_dbl_star)) {
// named double star
// TODO do we need to do anything with this?
} else {
@ -896,7 +901,7 @@ void compile_funcdef_param(compiler_t *comp, mp_parse_node_t pn) {
// this parameter does not have a default value
// check for non-default parameters given after default parameters (allowed by parser, but not syntactically valid)
if (!comp->have_bare_star && comp->num_default_params != 0) {
if (!comp->have_star && comp->num_default_params != 0) {
compile_syntax_error(comp, pn, "non-default argument follows default argument");
return;
}
@ -905,7 +910,7 @@ void compile_funcdef_param(compiler_t *comp, mp_parse_node_t pn) {
// this parameter has a default value
// in CPython, None (and True, False?) as default parameters are loaded with LOAD_NAME; don't understandy why
if (comp->have_bare_star) {
if (comp->have_star) {
comp->num_dict_params += 1;
#if !MICROPY_EMIT_CPYTHON
// in Micro Python we put the default dict parameters into a dictionary using the bytecode
@ -942,12 +947,12 @@ qstr compile_funcdef_helper(compiler_t *comp, mp_parse_node_struct_t *pns, uint
}
// save variables (probably don't need to do this, since we can't have nested definitions..?)
uint old_have_bare_star = comp->have_bare_star;
uint old_have_star = comp->have_star;
uint old_num_dict_params = comp->num_dict_params;
uint old_num_default_params = comp->num_default_params;
// compile default parameters
comp->have_bare_star = false;
comp->have_star = false;
comp->num_dict_params = 0;
comp->num_default_params = 0;
apply_to_single_or_list(comp, pns->nodes[1], PN_typedargslist, compile_funcdef_param);
@ -970,7 +975,7 @@ qstr compile_funcdef_helper(compiler_t *comp, mp_parse_node_struct_t *pns, uint
close_over_variables_etc(comp, fscope, comp->num_default_params, comp->num_dict_params);
// restore variables
comp->have_bare_star = old_have_bare_star;
comp->have_star = old_have_star;
comp->num_dict_params = old_num_dict_params;
comp->num_default_params = old_num_default_params;
@ -2742,7 +2747,7 @@ void compile_scope_func_lambda_param(compiler_t *comp, mp_parse_node_t pn, pn_ki
mp_parse_node_t pn_annotation = MP_PARSE_NODE_NULL;
if (MP_PARSE_NODE_IS_ID(pn)) {
param_name = MP_PARSE_NODE_LEAF_ARG(pn);
if (comp->have_bare_star) {
if (comp->have_star) {
// comes after a bare star, so doesn't count as a parameter
} else {
comp->scope_cur->num_params += 1;
@ -2763,30 +2768,30 @@ void compile_scope_func_lambda_param(compiler_t *comp, mp_parse_node_t pn, pn_ki
/* this is obsolete now that num dict/default params are calculated in compile_funcdef_param
if (!MP_PARSE_NODE_IS_NULL(pns->nodes[node_index])) {
// this parameter has a default value
if (comp->have_bare_star) {
if (comp->have_star) {
comp->scope_cur->num_dict_params += 1;
} else {
comp->scope_cur->num_default_params += 1;
}
}
*/
if (comp->have_bare_star) {
if (comp->have_star) {
// comes after a bare star, so doesn't count as a parameter
} else {
comp->scope_cur->num_params += 1;
}
} else if (MP_PARSE_NODE_STRUCT_KIND(pns) == pn_star) {
comp->have_star = true;
if (MP_PARSE_NODE_IS_NULL(pns->nodes[0])) {
// bare star
// TODO see http://www.python.org/dev/peps/pep-3102/
comp->have_bare_star = true;
//assert(comp->scope_cur->num_dict_params == 0);
} else if (MP_PARSE_NODE_IS_ID(pns->nodes[0])) {
// named star
comp->scope_cur->scope_flags |= MP_SCOPE_FLAG_VARARGS;
param_name = MP_PARSE_NODE_LEAF_ARG(pns->nodes[0]);
} else if (allow_annotations && MP_PARSE_NODE_IS_STRUCT_KIND(pns->nodes[0], PN_tfpdef)) {
// named star with annotation
// named star with possible annotation
comp->scope_cur->scope_flags |= MP_SCOPE_FLAG_VARARGS;
pns = (mp_parse_node_struct_t*)pns->nodes[0];
param_name = MP_PARSE_NODE_LEAF_ARG(pns->nodes[0]);
@ -2951,7 +2956,7 @@ void compile_scope(compiler_t *comp, scope_t *scope, pass_kind_t pass) {
// work out number of parameters, keywords and default parameters, and add them to the id_info array
// must be done before compiling the body so that arguments are numbered first (for LOAD_FAST etc)
if (comp->pass == PASS_1) {
comp->have_bare_star = false;
comp->have_star = false;
apply_to_single_or_list(comp, pns->nodes[1], PN_typedargslist, compile_scope_func_param);
}
@ -2971,7 +2976,7 @@ void compile_scope(compiler_t *comp, scope_t *scope, pass_kind_t pass) {
// work out number of parameters, keywords and default parameters, and add them to the id_info array
// must be done before compiling the body so that arguments are numbered first (for LOAD_FAST etc)
if (comp->pass == PASS_1) {
comp->have_bare_star = false;
comp->have_star = false;
apply_to_single_or_list(comp, pns->nodes[0], PN_varargslist, compile_scope_lambda_param);
}