int
main(int argc, char *argv[])
{
char *program_name, *compiler_name, *other_wrappers, *sysroot;
struct args *compiler_args, *cmd;
compiler_args = args_init(argc, argv);
/* check if we were called directly. */
program_name = basename(compiler_args->argv[0]);
args_remove_first(compiler_args);
if (str_eq(program_name, MYNAME)) {
/* the first argument should be a compiler */
if (compiler_args->argc < 1 || compiler_args->argv[0][0] == '-') {
fprintf(stderr, "%s", USAGE_TEXT);
exit(1);
}
compiler_name = x_strdup(compiler_args->argv[0]);
args_remove_first(compiler_args);
} else {
compiler_name = x_strdup(program_name);
}
free(program_name);
other_wrappers = getenv(MYNAME "_OTHER_WRAPPERS");
if (!other_wrappers) {
other_wrappers = "ccache distcc";
}
cmd = find_all_executables(compiler_name, MYNAME, other_wrappers);
if (!cmd) {
fatal("No valid executables named %s found!", compiler_name);
}
free(compiler_name);
sysroot = getenv("SYSROOT");
if (sysroot) {
args_add(cmd, "--sysroot");
args_add(cmd, sysroot);
}
args_extend(cmd, compiler_args);
args_free(compiler_args);
execute(cmd->argv);
return 1;
}
/*
* Process the compiler options into options suitable for passing to the
* preprocessor and the real compiler. The preprocessor options don't include
* -E; this is added later. Returns true on success, otherwise false.
*/
bool
armcc_process_args(struct args *orig_args, struct args **preprocessor_args,
struct args **compiler_args)
{
int i;
bool found_c_opt = false;
bool found_S_opt = false;
bool found_pch = false;
bool found_fpch_preprocess = false;
const char *actual_language; /* Language to actually use. */
const char *input_charset = NULL;
struct stat st;
/* is the dependency makefile name overridden with --depend? */
bool dependency_filename_specified = false;
/* is the dependency makefile target name specified ? */
bool dependency_target_specified = false;
char *dep_file = NULL, *dep_dir = NULL;
struct args *stripped_args = NULL, *dep_args = NULL;
int argc = orig_args->argc;
char **argv = orig_args->argv;
bool result = true;
/* 0: Choose preprocessor type by the file extension.
* 1: Use c preprocessor.
* 2: Use c++ preprocessor.*/
unsigned force_preprocessor_type = 0;
stripped_args = args_init(0, NULL);
dep_args = args_init(0, NULL);
args_add(stripped_args, argv[0]);
for (i = 1; i < argc; i++) {
/* The user knows best: just swallow the next arg */
if (str_eq(argv[i], "--ccache-skip")) {
i++;
if (i == argc) {
cc_log("--ccache-skip lacks an argument");
result = false;
goto out;
}
args_add(stripped_args, argv[i]);
continue;
}
/* Special case for -E. */
if (str_eq(argv[i], "-E")) {
stats_update(STATS_PREPROCESSING);
result = false;
goto out;
}
/* These are always too hard. */
if (compopt_too_hard(argv[i])
|| str_startswith(argv[i], "@")
|| str_startswith(argv[i], "-fdump-")) {
cc_log("Compiler option %s is unsupported", argv[i]);
stats_update(STATS_UNSUPPORTED);
result = false;
goto out;
}
/* These are too hard in direct mode. */
if (enable_direct) {
if (compopt_too_hard_for_direct_mode(argv[i])) {
cc_log("Unsupported compiler option for direct mode: %s", argv[i]);
enable_direct = false;
}
}
/* we must have -c */
if (str_eq(argv[i], "-c")) {
args_add(stripped_args, argv[i]);
found_c_opt = true;
continue;
}
/* -S changes the default extension */
if (str_eq(argv[i], "-S")) {
args_add(stripped_args, argv[i]);
found_S_opt = true;
continue;
}
/* we need to work out where the output was meant to go */
if (str_eq(argv[i], "-o")) {
if (i == argc-1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
output_obj = argv[i+1];
i++;
continue;
}
/* alternate form of -o, with no space */
if (str_startswith(argv[i], "-o")) {
output_obj = &argv[i][2];
continue;
}
/* If multiple source type options are there, the armcc will use the last one. */
if (str_eq(argv[i], "--cpp")) {
force_preprocessor_type = 2;
continue;
}
else if (str_eq(argv[i], "--c90") || str_eq(argv[i], "--c99")) {
force_preprocessor_type = 1;
continue;
}
if (str_eq(argv[i], "--md")) {
generating_dependencies = true;
continue;
}
/* The rvct started supporting --depend_target from 4.0.
* And there is a bug when using -E and --depend together with rvct which version is earlier than 4.0_697.
* That is too hard to support "--depend" for the earlier version of rvct.*/
if (str_startswith(argv[i], "--depend_dir")) {
/* We just concat the dir and the filename and pass the result
* to --depend. */
if (i >= argc - 1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
dep_dir= x_strdup(argv[i+1]);
i++;
continue;
}
else if (str_startswith(argv[i], "--depend_target")) {
if (i >= argc - 1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
dependency_target_specified = true;
args_add(dep_args, argv[i]);
args_add(dep_args, argv[i+1]);
i++;
continue;
}
else if (str_startswith(argv[i], "--depend")) {
dependency_filename_specified = true;
generating_dependencies = true;
if (i >= argc - 1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
dep_file = x_strdup(argv[i + 1]);
i++;
continue;
}
/*
* Options taking an argument that that we may want to rewrite
* to relative paths to get better hit rate. A secondary effect
* is that paths in the standard error output produced by the
* compiler will be normalized.
*/
if (compopt_takes_path(argv[i])) {
char *relpath;
char *pchpath;
if (i == argc-1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
args_add(stripped_args, argv[i]);
relpath = make_relative_path(x_strdup(argv[i+1]));
args_add(stripped_args, relpath);
/* Try to be smart about detecting precompiled headers */
pchpath = format("%s.gch", argv[i+1]);
if (stat(pchpath, &st) == 0) {
cc_log("Detected use of precompiled header: %s", pchpath);
found_pch = true;
}
free(pchpath);
free(relpath);
i++;
continue;
}
/* Same as above but options with concatenated argument. */
if (compopt_short(compopt_takes_path, argv[i])) {
char *relpath;
char *option;
relpath = make_relative_path(x_strdup(argv[i] + 2));
option = format("-%c%s", argv[i][1], relpath);
args_add(stripped_args, option);
free(relpath);
free(option);
continue;
}
/* options that take an argument */
if (compopt_takes_arg(argv[i])) {
if (i == argc-1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
args_add(stripped_args, argv[i]);
args_add(stripped_args, argv[i+1]);
i++;
continue;
}
/* other options */
if (argv[i][0] == '-') {
args_add(stripped_args, argv[i]);
continue;
}
/* if an argument isn't a plain file then assume its
an option, not an input file. This allows us to
cope better with unusual compiler options */
if (stat(argv[i], &st) != 0 || !S_ISREG(st.st_mode)) {
cc_log("%s is not a regular file, not considering as input file",
argv[i]);
args_add(stripped_args, argv[i]);
continue;
}
if (input_file) {
if (language_for_file(argv[i])) {
cc_log("Multiple input files: %s and %s", input_file, argv[i]);
stats_update(STATS_MULTIPLE);
} else if (!found_c_opt) {
cc_log("Called for link with %s", argv[i]);
if (strstr(argv[i], "conftest.")) {
stats_update(STATS_CONFTEST);
} else {
stats_update(STATS_LINK);
}
} else {
cc_log("Unsupported source extension: %s", argv[i]);
stats_update(STATS_SOURCELANG);
}
result = false;
goto out;
}
/* Rewrite to relative to increase hit rate. */
input_file = make_relative_path(x_strdup(argv[i]));
}
if (!input_file) {
cc_log("No input file found");
stats_update(STATS_NOINPUT);
result = false;
goto out;
}
if (found_pch || found_fpch_preprocess) {
using_precompiled_header = true;
if (!(sloppiness & SLOPPY_TIME_MACROS)) {
cc_log("You have to specify \"time_macros\" sloppiness when using"
" precompiled headers to get direct hits");
cc_log("Disabling direct mode");
stats_update(STATS_CANTUSEPCH);
result = false;
goto out;
}
}
if(force_preprocessor_type == 0) {
actual_language = language_for_file(input_file);
}
else if(force_preprocessor_type == 2) {
actual_language = "c++";
}
else {
actual_language = "c";
}
output_is_precompiled_header =
actual_language && strstr(actual_language, "-header") != NULL;
if (!found_c_opt && !output_is_precompiled_header) {
cc_log("No -c option found");
/* I find that having a separate statistic for autoconf tests is useful,
as they are the dominant form of "called for link" in many cases */
if (strstr(input_file, "conftest.")) {
stats_update(STATS_CONFTEST);
} else {
stats_update(STATS_LINK);
}
result = false;
goto out;
}
if (!actual_language) {
cc_log("Unsupported source extension: %s", input_file);
stats_update(STATS_SOURCELANG);
result = false;
goto out;
}
direct_i_file = language_is_preprocessed(actual_language);
if (output_is_precompiled_header) {
/* It doesn't work to create the .gch from preprocessed source. */
cc_log("Creating precompiled header; not compiling preprocessed code");
compile_preprocessed_source_code = false;
}
/* don't try to second guess the compilers heuristics for stdout handling */
if (output_obj && str_eq(output_obj, "-")) {
stats_update(STATS_OUTSTDOUT);
cc_log("Output file is -");
result = false;
goto out;
}
if (!output_obj) {
if (output_is_precompiled_header) {
output_obj = format("%s.gch", input_file);
} else {
char *p;
output_obj = x_strdup(input_file);
if ((p = strrchr(output_obj, '/'))) {
output_obj = p+1;
}
p = strrchr(output_obj, '.');
if (!p || !p[1]) {
cc_log("Badly formed object filename");
stats_update(STATS_ARGS);
result = false;
goto out;
}
p[1] = found_S_opt ? 's' : 'o';
p[2] = 0;
}
}
/* cope with -o /dev/null */
if (!str_eq(output_obj,"/dev/null")
&& stat(output_obj, &st) == 0
&& !S_ISREG(st.st_mode)) {
cc_log("Not a regular file: %s", output_obj);
stats_update(STATS_DEVICE);
result = false;
goto out;
}
/*
* Some options shouldn't be passed to the real compiler when it compiles
* preprocessed code:
*
* -finput-charset=XXX (otherwise conversion happens twice)
* -x XXX (otherwise the wrong language is selected)
*/
*preprocessor_args = args_copy(stripped_args);
if (input_charset) {
args_add(*preprocessor_args, input_charset);
}
if (found_pch) {
args_add(*preprocessor_args, "-fpch-preprocess");
}
/*
* Add flags for dependency generation only to the preprocessor command line.
*/
if (generating_dependencies) {
char *dep_path;
if(!dependency_filename_specified)
{
char *base_name;
base_name = remove_extension(output_obj);
dep_file = format("%s.d", base_name);
free(base_name);
}
if (!dependency_target_specified) {
args_add(dep_args, "--depend_target");
args_add(dep_args, output_obj);
}
free(output_dep);
if(dep_dir)
{
#ifdef _WIN32
dep_path = make_relative_path(format("%s\\%s", dep_dir, dep_file));
#else
dep_path = make_relative_path(format("%s/%s", dep_dir, dep_file));
#endif
}
else
{
dep_path = x_strdup(dep_file);
}
args_add(dep_args, "--depend");
args_add(dep_args, dep_path);
/* dep_path will be free in make_relative_path */
output_dep = make_relative_path(x_strdup(dep_path));
}
if (compile_preprocessed_source_code) {
*compiler_args = args_copy(stripped_args);
} else {
*compiler_args = args_copy(*preprocessor_args);
}
i_extension = getenv("CCACHE_EXTENSION");
if (!i_extension) {
const char *p_language = p_language_for_language(actual_language);
i_extension = extension_for_language(p_language) + 1;
}
/* Patch for preprocessed file extension for armcc 3.1.
* armcc 3.1 cannot recognize "i" or "ii" as the preprocessed source file
* without --compile_all_input. */
args_add(*compiler_args, "--compile_all_input");
if (str_eq(i_extension, "ii")) {
args_add(*compiler_args, "--cpp");
}
/*
* Only pass dependency arguments to the preprocesor since Intel's C++
* compiler doesn't produce a correct .d file when compiling preprocessed
* source.
*/
args_extend(*preprocessor_args, dep_args);
out:
free(dep_file);
free(dep_dir);
args_free(stripped_args);
args_free(dep_args);
return result;
}
/*
* Process the compiler options into options suitable for passing to the
* preprocessor and the real compiler. The preprocessor options don't include
* -E; this is added later. Returns true on success, otherwise false.
*/
bool
c166_process_args(struct args *orig_args, struct args **preprocessor_args,
struct args **compiler_args)
{
int i;
bool found_c_opt = false;
bool found_S_opt = false;
bool found_H_opt = false;
/* 0: Choose preprocessor type by the file extension.
* 1: Use c preprocessor.
* 2: Use c++ preprocessor.*/
unsigned force_preprocessor_type = 0;
const char *actual_language; /* Language to actually use. */
struct stat st;
/* is the dependency makefile name overridden with -MF? */
bool dependency_filename_specified = false;
/* is the dependency makefile target name specified with -MT or -MQ? */
bool dependency_target_specified = false;
struct args *stripped_args = NULL, *dep_args = NULL, *h_args;
int argc = orig_args->argc;
char **argv = orig_args->argv;
bool result = true;
stripped_args = args_init(0, NULL);
dep_args = args_init(0, NULL);
h_args = args_init(0, NULL);
args_add(stripped_args, argv[0]);
for (i = 1; i < argc; i++) {
/* The user knows best: just swallow the next arg */
if (str_eq(argv[i], "--ccache-skip")) {
i++;
if (i == argc) {
cc_log("--ccache-skip lacks an argument");
result = false;
goto out;
}
args_add(stripped_args, argv[i]);
continue;
}
/* Special case for -E. */
if (str_eq(argv[i], "-E")) {
stats_update(STATS_PREPROCESSING);
result = false;
goto out;
}
/* These are always too hard. */
if (compopt_too_hard(argv[i])) {
cc_log("Compiler option %s is unsupported", argv[i]);
stats_update(STATS_UNSUPPORTED);
result = false;
goto out;
}
/* These are too hard in direct mode. */
if (enable_direct) {
if (compopt_too_hard_for_direct_mode(argv[i])) {
cc_log("Unsupported compiler option for direct mode: %s", argv[i]);
enable_direct = false;
}
}
/* we must have -c */
if (str_eq(argv[i], "-c")) {
args_add(stripped_args, argv[i]);
found_c_opt = true;
continue;
}
/* -S changes the default extension */
/* TODO: Check this -S out!
if (str_eq(argv[i], "-S")) {
args_add(stripped_args, argv[i]);
found_S_opt = true;
continue;
}
*/
/* we need to work out where the output was meant to go */
if (str_eq(argv[i], "-o")) {
if (i == argc-1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
output_obj = argv[i+1];
i++;
continue;
}
/* alternate form of -o, with no space */
if (str_startswith(argv[i], "-o")) {
output_obj = &argv[i][2];
continue;
}
/* debugging is handled specially, so that we know if we
can strip line number info
*/
if (str_startswith(argv[i], "-g")) {
args_add(stripped_args, argv[i]);
if (enable_unify) {
cc_log("%s used; disabling unify mode", argv[i]);
enable_unify = false;
}
continue;
}
if (str_startswith(argv[i], "-H")) {
cc_log("Detected -H %s", argv[i]);
args_add(h_args, argv[i]);
found_H_opt = true;
continue;
}
/*
* Options taking an argument that that we may want to rewrite
* to relative paths to get better hit rate. A secondary effect
* is that paths in the standard error output produced by the
* compiler will be normalized.
*/
if (compopt_takes_path(argv[i])) {
char *relpath;
if (i == argc-1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
args_add(stripped_args, argv[i]);
relpath = make_relative_path(x_strdup(argv[i+1]));
args_add(stripped_args, relpath);
free(relpath);
i++;
continue;
}
/* Same as above but options with concatenated argument. */
if (compopt_short(compopt_takes_path, argv[i])) {
char *relpath;
char *option;
relpath = make_relative_path(x_strdup(argv[i] + 2));
option = format("-%c%s", argv[i][1], relpath);
args_add(stripped_args, option);
free(relpath);
free(option);
continue;
}
/* options that take an argument */
if (compopt_takes_arg(argv[i])) {
if (i == argc-1) {
cc_log("Missing argument to %s", argv[i]);
stats_update(STATS_ARGS);
result = false;
goto out;
}
args_add(stripped_args, argv[i]);
args_add(stripped_args, argv[i+1]);
i++;
continue;
}
if (str_eq(argv[i], "-c++")) {
force_preprocessor_type = 2;
args_add(stripped_args, argv[i]);
continue;
}
if (str_eq(argv[i], "-noc++")) {
force_preprocessor_type = 1;
args_add(stripped_args, argv[i]);
continue;
}
/* other options */
if (argv[i][0] == '-') {
args_add(stripped_args, argv[i]);
continue;
}
/* if an argument isn't a plain file then assume its
an option, not an input file. This allows us to
cope better with unusual compiler options */
if (stat(argv[i], &st) != 0 || !S_ISREG(st.st_mode)) {
cc_log("%s is not a regular file, not considering as input file",
argv[i]);
args_add(stripped_args, argv[i]);
continue;
}
if (input_file) {
if (language_for_file(argv[i])) {
cc_log("Multiple input files: %s and %s", input_file, argv[i]);
stats_update(STATS_MULTIPLE);
} else if (!found_c_opt) {
cc_log("Called for link with %s", argv[i]);
if (strstr(argv[i], "conftest.")) {
stats_update(STATS_CONFTEST);
} else {
stats_update(STATS_LINK);
}
} else {
cc_log("Unsupported source extension: %s", argv[i]);
stats_update(STATS_SOURCELANG);
}
result = false;
goto out;
}
/* Rewrite to relative to increase hit rate. */
input_file = make_relative_path(x_strdup(argv[i]));
}
if (!input_file) {
cc_log("No input file found");
stats_update(STATS_NOINPUT);
result = false;
goto out;
}
if(force_preprocessor_type == 0) {
actual_language = language_for_file(input_file);
}
else if(force_preprocessor_type == 2) {
actual_language = "c++";
}
else {
actual_language = "c";
}
output_is_precompiled_header =
actual_language && strstr(actual_language, "-header") != NULL;
if (!found_c_opt && !output_is_precompiled_header) {
cc_log("No -c option found");
/* I find that having a separate statistic for autoconf tests is useful,
as they are the dominant form of "called for link" in many cases */
if (strstr(input_file, "conftest.")) {
stats_update(STATS_CONFTEST);
} else {
stats_update(STATS_LINK);
}
result = false;
goto out;
}
if (!actual_language) {
cc_log("Unsupported source extension: %s", input_file);
stats_update(STATS_SOURCELANG);
result = false;
goto out;
}
direct_i_file = language_is_preprocessed(actual_language);
if (output_is_precompiled_header) {
/* It doesn't work to create the .gch from preprocessed source. */
cc_log("Creating precompiled header; not compiling preprocessed code");
compile_preprocessed_source_code = false;
}
i_extension = getenv("CCACHE_EXTENSION");
if (!i_extension) {
const char *p_language = p_language_for_language(actual_language);
if(str_eq(p_language, "c++-cpp-output")) {
/* Dirty fix for preprocessed file extension for cc166.
* The cp166 cannot handle cpp files with extension ii.*/
i_extension = "ii.cpp";
}
else {
i_extension = extension_for_language(p_language) + 1;
}
}
/* don't try to second guess the compilers heuristics for stdout handling */
if (output_obj && str_eq(output_obj, "-")) {
stats_update(STATS_OUTSTDOUT);
cc_log("Output file is -");
result = false;
goto out;
}
if (!output_obj) {
if (output_is_precompiled_header) {
output_obj = format("%s.gch", input_file);
} else {
char *p;
output_obj = x_strdup(input_file);
if ((p = strrchr(output_obj, '/'))) {
output_obj = p+1;
}
p = strrchr(output_obj, '.');
if (!p || !p[1]) {
cc_log("Badly formed object filename");
stats_update(STATS_ARGS);
result = false;
goto out;
}
*p = 0;
p = output_obj;
if(found_S_opt)
{
output_obj = format("%s.s", p);
}
else
{ /*The default extension of object file is obj for c166.*/
output_obj = format("%s.obj", p);
}
free(p);
}
}
/* cope with -o /dev/null */
if (!str_eq(output_obj,"/dev/null")
&& stat(output_obj, &st) == 0
&& !S_ISREG(st.st_mode)) {
cc_log("Not a regular file: %s", output_obj);
stats_update(STATS_DEVICE);
result = false;
goto out;
}
/*
* Some options shouldn't be passed to the real compiler when it compiles
* preprocessed code:
*/
*preprocessor_args = args_copy(stripped_args);
/* Args with -H has been already preprocessed.
* If it passed to the compiler again, some type redefined error will pop up.*/
if (found_H_opt) {
args_extend(*preprocessor_args, h_args);
}
/*
* Add flags for dependency generation only to the preprocessor command line.
*/
if (generating_dependencies) {
if (!dependency_filename_specified) {
char *default_depfile_name;
char *base_name;
base_name = remove_extension(output_obj);
default_depfile_name = format("%s.d", base_name);
free(base_name);
args_add(dep_args, "-MF");
args_add(dep_args, default_depfile_name);
output_dep = make_relative_path(x_strdup(default_depfile_name));
}
if (!dependency_target_specified) {
args_add(dep_args, "-MQ");
args_add(dep_args, output_obj);
}
}
if (compile_preprocessed_source_code) {
*compiler_args = args_copy(stripped_args);
} else {
*compiler_args = args_copy(*preprocessor_args);
}
/* Due to bugs or cc166 v8.6r3, the behaviours of c/c++ preprocessor
* are quite different.
* When using cpp preprocessor, the output will be directly send to stdout like gcc.
* When using c preprocessor, the output will be written to filename.i even without "-o".*/
if(str_eq(actual_language, "c"))
{
#ifdef _WIN32
#error Never test this in Windows.
#else
args_add(*preprocessor_args, "-o/dev/stdout");
#endif
}
/*
* Only pass dependency arguments to the preprocesor since Intel's C++
* compiler doesn't produce a correct .d file when compiling preprocessed
* source.
*/
args_extend(*preprocessor_args, dep_args);
out:
args_free(stripped_args);
args_free(dep_args);
args_free(h_args);
return result;
}
static int
setup_parameters_complex(rb_thread_t * const th, const rb_iseq_t * const iseq,
struct rb_calling_info *const calling,
const struct rb_call_info *ci,
VALUE * const locals, const enum arg_setup_type arg_setup_type)
{
const int min_argc = iseq->body->param.lead_num + iseq->body->param.post_num;
const int max_argc = (iseq->body->param.flags.has_rest == FALSE) ? min_argc + iseq->body->param.opt_num : UNLIMITED_ARGUMENTS;
int opt_pc = 0;
int given_argc;
struct args_info args_body, *args;
VALUE keyword_hash = Qnil;
VALUE * const orig_sp = th->cfp->sp;
unsigned int i;
/*
* Extend SP for GC.
*
* [pushed values] [uninitialized values]
* <- ci->argc -->
* <- iseq->body->param.size------------>
* ^ locals ^ sp
*
* =>
* [pushed values] [initialized values ]
* <- ci->argc -->
* <- iseq->body->param.size------------>
* ^ locals ^ sp
*/
for (i=calling->argc; i<iseq->body->param.size; i++) {
locals[i] = Qnil;
}
th->cfp->sp = &locals[i];
/* setup args */
args = &args_body;
given_argc = args->argc = calling->argc;
args->argv = locals;
if (ci->flag & VM_CALL_KWARG) {
args->kw_arg = ((struct rb_call_info_with_kwarg *)ci)->kw_arg;
if (iseq->body->param.flags.has_kw) {
int kw_len = args->kw_arg->keyword_len;
/* copy kw_argv */
args->kw_argv = ALLOCA_N(VALUE, kw_len);
args->argc -= kw_len;
given_argc -= kw_len;
MEMCPY(args->kw_argv, locals + args->argc, VALUE, kw_len);
}
else {
args->kw_argv = NULL;
given_argc = args_kw_argv_to_hash(args);
}
}
else {
args->kw_arg = NULL;
args->kw_argv = NULL;
}
if (ci->flag & VM_CALL_ARGS_SPLAT) {
args->rest = locals[--args->argc];
args->rest_index = 0;
given_argc += RARRAY_LENINT(args->rest) - 1;
}
else {
args->rest = Qfalse;
}
switch (arg_setup_type) {
case arg_setup_method:
break; /* do nothing special */
case arg_setup_block:
if (given_argc == 1 &&
(min_argc > 0 || iseq->body->param.opt_num > 1 ||
iseq->body->param.flags.has_kw || iseq->body->param.flags.has_kwrest) &&
!iseq->body->param.flags.ambiguous_param0 &&
args_check_block_arg0(args, th)) {
given_argc = RARRAY_LENINT(args->rest);
}
break;
case arg_setup_lambda:
if (given_argc == 1 &&
given_argc != iseq->body->param.lead_num &&
!iseq->body->param.flags.has_rest &&
args_check_block_arg0(args, th)) {
given_argc = RARRAY_LENINT(args->rest);
}
}
/* argc check */
if (given_argc < min_argc) {
if (given_argc == min_argc - 1 && args->kw_argv) {
args_stored_kw_argv_to_hash(args);
given_argc = args_argc(args);
}
else {
if (arg_setup_type == arg_setup_block) {
CHECK_VM_STACK_OVERFLOW(th->cfp, min_argc);
given_argc = min_argc;
args_extend(args, min_argc);
}
else {
argument_arity_error(th, iseq, given_argc, min_argc, max_argc);
}
}
}
if (given_argc > min_argc &&
(iseq->body->param.flags.has_kw || iseq->body->param.flags.has_kwrest) &&
args->kw_argv == NULL) {
if (args_pop_keyword_hash(args, &keyword_hash, th)) {
given_argc--;
}
}
if (given_argc > max_argc && max_argc != UNLIMITED_ARGUMENTS) {
if (arg_setup_type == arg_setup_block) {
/* truncate */
args_reduce(args, given_argc - max_argc);
given_argc = max_argc;
}
else {
argument_arity_error(th, iseq, given_argc, min_argc, max_argc);
}
}
if (iseq->body->param.flags.has_lead) {
args_setup_lead_parameters(args, iseq->body->param.lead_num, locals + 0);
}
if (iseq->body->param.flags.has_post) {
args_setup_post_parameters(args, iseq->body->param.post_num, locals + iseq->body->param.post_start);
}
if (iseq->body->param.flags.has_opt) {
int opt = args_setup_opt_parameters(args, iseq->body->param.opt_num, locals + iseq->body->param.lead_num);
opt_pc = (int)iseq->body->param.opt_table[opt];
}
if (iseq->body->param.flags.has_rest) {
args_setup_rest_parameter(args, locals + iseq->body->param.rest_start);
}
if (iseq->body->param.flags.has_kw) {
VALUE * const klocals = locals + iseq->body->param.keyword->bits_start - iseq->body->param.keyword->num;
if (args->kw_argv != NULL) {
const struct rb_call_info_kw_arg *kw_arg = args->kw_arg;
args_setup_kw_parameters(args->kw_argv, kw_arg->keyword_len, kw_arg->keywords, iseq, klocals);
}
else if (!NIL_P(keyword_hash)) {
int kw_len = rb_long2int(RHASH_SIZE(keyword_hash));
struct fill_values_arg arg;
/* copy kw_argv */
arg.keys = args->kw_argv = ALLOCA_N(VALUE, kw_len * 2);
arg.vals = arg.keys + kw_len;
arg.argc = 0;
rb_hash_foreach(keyword_hash, fill_keys_values, (VALUE)&arg);
VM_ASSERT(arg.argc == kw_len);
args_setup_kw_parameters(arg.vals, kw_len, arg.keys, iseq, klocals);
}
else {
VM_ASSERT(args_argc(args) == 0);
args_setup_kw_parameters(NULL, 0, NULL, iseq, klocals);
}
}
else if (iseq->body->param.flags.has_kwrest) {
args_setup_kw_rest_parameter(keyword_hash, locals + iseq->body->param.keyword->rest_start);
}
if (iseq->body->param.flags.has_block) {
args_setup_block_parameter(th, calling, locals + iseq->body->param.block_start);
}
#if 0
{
int i;
for (i=0; i<iseq->body->param.size; i++) {
fprintf(stderr, "local[%d] = %p\n", i, (void *)locals[i]);
}
}
#endif
th->cfp->sp = orig_sp;
return opt_pc;
}