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main.c
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main.c
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/*
* $Id$
*
* Intermediate Code Compiler for Parrot.
*
* Copyright (C) 2002 Melvin Smith <melvin.smith@mindspring.com>
* Copyright (C) 2003-2009, Parrot Foundation.
*/
/*
=head1 NAME
compilers/imcc/main.c
=head1 DESCRIPTION
IMCC helpers.
=head2 Functions
=over 4
=cut
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "imc.h"
#include "parrot/embed.h"
#include "parrot/longopt.h"
#include "parrot/imcc.h"
#include "parrot/runcore_api.h"
#include "pbc.h"
#include "parser.h"
extern int yydebug;
/* HEADERIZER HFILE: none */
/* HEADERIZER BEGIN: static */
/* Don't modify between HEADERIZER BEGIN / HEADERIZER END. Your changes will be lost. */
static void compile_to_bytecode(PARROT_INTERP,
ARGIN(const char * const sourcefile),
ARGIN_NULLOK(const char * const output_file))
__attribute__nonnull__(1)
__attribute__nonnull__(2);
static void determine_input_file_type(PARROT_INTERP,
ARGIN(const char * const sourcefile))
__attribute__nonnull__(1)
__attribute__nonnull__(2);
static void determine_output_file_type(PARROT_INTERP,
ARGMOD(int *obj_file),
ARGIN(const char *output_file))
__attribute__nonnull__(1)
__attribute__nonnull__(2)
__attribute__nonnull__(3)
FUNC_MODIFIES(*obj_file);
static void do_pre_process(PARROT_INTERP)
__attribute__nonnull__(1);
static void help(void);
static void help_debug(void);
static void imcc_get_optimization_description(
const PARROT_INTERP,
int opt_level,
ARGMOD(char *opt_desc))
__attribute__nonnull__(3)
FUNC_MODIFIES(*opt_desc);
static void imcc_run_pbc(PARROT_INTERP,
int obj_file,
ARGIN_NULLOK(const char *output_file),
int argc,
ARGIN(char **argv))
__attribute__nonnull__(1)
__attribute__nonnull__(5);
static void imcc_write_pbc(PARROT_INTERP, ARGIN(const char *output_file))
__attribute__nonnull__(1)
__attribute__nonnull__(2);
PARROT_WARN_UNUSED_RESULT
PARROT_PURE_FUNCTION
static int is_all_hex_digits(ARGIN(const char *s))
__attribute__nonnull__(1);
static void Parrot_version(PARROT_INTERP)
__attribute__nonnull__(1);
static void usage(ARGMOD(FILE *fp))
__attribute__nonnull__(1)
FUNC_MODIFIES(*fp);
#define ASSERT_ARGS_compile_to_bytecode __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(sourcefile))
#define ASSERT_ARGS_determine_input_file_type __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(sourcefile))
#define ASSERT_ARGS_determine_output_file_type __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(obj_file) \
, PARROT_ASSERT_ARG(output_file))
#define ASSERT_ARGS_do_pre_process __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp))
#define ASSERT_ARGS_help __attribute__unused__ int _ASSERT_ARGS_CHECK = (0)
#define ASSERT_ARGS_help_debug __attribute__unused__ int _ASSERT_ARGS_CHECK = (0)
#define ASSERT_ARGS_imcc_get_optimization_description \
__attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(opt_desc))
#define ASSERT_ARGS_imcc_run_pbc __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(argv))
#define ASSERT_ARGS_imcc_write_pbc __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp) \
, PARROT_ASSERT_ARG(output_file))
#define ASSERT_ARGS_is_all_hex_digits __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(s))
#define ASSERT_ARGS_Parrot_version __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(interp))
#define ASSERT_ARGS_usage __attribute__unused__ int _ASSERT_ARGS_CHECK = (\
PARROT_ASSERT_ARG(fp))
/* Don't modify between HEADERIZER BEGIN / HEADERIZER END. Your changes will be lost. */
/* HEADERIZER END: static */
/*
=item C<static void usage(FILE *fp)>
Outputs usage error message.
=cut
*/
static void
usage(ARGMOD(FILE *fp))
{
ASSERT_ARGS(usage)
fprintf(fp,
"parrot -[acEGhprtvVwy.] [-d [FLAGS]] [-D [FLAGS]]"
"[-O [level]] [-R runcore] [-o FILE] <file>\n");
}
/*
=item C<static void help_debug(void)>
Print out list of debugging flag values.
=cut
*/
static void
help_debug(void)
{
ASSERT_ARGS(help_debug)
/* split printf for C89 compliance on string length */
printf(
"--imcc-debug -d [Flags] ...\n"
" 0002 lexer\n"
" 0004 parser\n"
" 0008 imc\n"
" 0010 CFG\n"
" 0020 optimization 1\n"
" 0040 optimization 2\n"
" 0100 AST\n"
" 1000 PBC\n"
" 2000 PBC constants\n"
" 4000 PBC fixups\n"
"\n");
printf(
"--parrot-debug -D [Flags] ...\n"
" 0001 memory statistics\n"
" 0002 print backtrace on exception\n"
" 0004 JIT debugging\n"
" 0008 interpreter startup\n"
" 0010 thread debugging\n"
" 0020 eval/compile\n"
" 0040 fill I, N registers with garbage\n"
" 0080 show when a context is destroyed\n"
"\n"
"--trace -t [Flags] ...\n"
" 0001 opcodes\n"
" 0002 find_method\n"
" 0004 function calls\n");
}
/*
=item C<static void help(void)>
Print out "help" list of options.
=cut
*/
static void
help(void)
{
ASSERT_ARGS(help)
/* split printf for C89 compliance on string length */
printf(
"parrot [Options] <file>\n"
" Options:\n"
" -h --help\n"
" -V --version\n"
" -I --include add path to include search\n"
" -L --library add path to library search\n"
" -X --dynext add path to dynamic extension search\n"
" <Run core options>\n"
" -R --runcore slow|bounds|fast|cgoto|cgp\n"
" -R --runcore switch|trace|profiling|gcdebug\n"
" -t --trace [flags]\n"
" <VM options>\n"
" -D --parrot-debug[=HEXFLAGS]\n"
" --help-debug\n");
printf(
" -w --warnings\n"
" -G --no-gc\n"
" --gc-debug\n"
" --leak-test|--destroy-at-end\n"
" -. --wait Read a keystroke before starting\n"
" --runtime-prefix\n"
" <Compiler options>\n"
" -d --imcc-debug[=HEXFLAGS]\n"
" -v --verbose\n"
" -E --pre-process-only\n"
" -o --output=FILE\n"
" --output-pbc\n"
" -O --optimize[=LEVEL]\n"
" -a --pasm\n"
" -c --pbc\n"
" -r --run-pbc\n"
" -y --yydebug\n"
" <Language options>\n"
"see docs/running.pod for more\n");
}
/*
=item C<static void Parrot_version(PARROT_INTERP)>
Print out parrot version number.
=cut
*/
static void
Parrot_version(PARROT_INTERP)
{
ASSERT_ARGS(Parrot_version)
printf("This is Parrot version " PARROT_VERSION);
printf(" built for " PARROT_ARCHNAME ".\n");
printf("Copyright (C) 2001-2009, Parrot Foundation.\n\
\n\
This code is distributed under the terms of the Artistic License 2.0.\
\n\
For more details, see the full text of the license in the LICENSE file\
\n\
included in the Parrot source tree.\n\n");
Parrot_exit(interp, 0);
}
#define SET_FLAG(flag) Parrot_set_flag(interp, (flag))
#define SET_DEBUG(flag) Parrot_set_debug(interp, (flag))
#define SET_TRACE(flag) Parrot_set_trace(interp, (flag))
#define OPT_GC_DEBUG 128
#define OPT_DESTROY_FLAG 129
#define OPT_HELP_DEBUG 130
#define OPT_PBC_OUTPUT 131
#define OPT_RUNTIME_PREFIX 132
static struct longopt_opt_decl options[] = {
{ '.', '.', (OPTION_flags)0, { "--wait" } },
{ 'D', 'D', OPTION_optional_FLAG, { "--parrot-debug" } },
{ 'E', 'E', (OPTION_flags)0, { "--pre-process-only" } },
{ 'G', 'G', (OPTION_flags)0, { "--no-gc" } },
{ 'I', 'I', OPTION_required_FLAG, { "--include" } },
{ 'L', 'L', OPTION_required_FLAG, { "--library" } },
{ 'O', 'O', OPTION_optional_FLAG, { "--optimize" } },
{ 'R', 'R', OPTION_required_FLAG, { "--runcore" } },
{ 'V', 'V', (OPTION_flags)0, { "--version" } },
{ 'X', 'X', OPTION_required_FLAG, { "--dynext" } },
{ '\0', OPT_DESTROY_FLAG, (OPTION_flags)0,
{ "--leak-test", "--destroy-at-end" } },
{ '\0', OPT_GC_DEBUG, (OPTION_flags)0, { "--gc-debug" } },
{ 'a', 'a', (OPTION_flags)0, { "--pasm" } },
{ 'c', 'c', (OPTION_flags)0, { "--pbc" } },
{ 'd', 'd', OPTION_optional_FLAG, { "--imcc-debug" } },
{ '\0', OPT_HELP_DEBUG, (OPTION_flags)0, { "--help-debug" } },
{ 'h', 'h', (OPTION_flags)0, { "--help" } },
{ 'o', 'o', OPTION_required_FLAG, { "--output" } },
{ '\0', OPT_PBC_OUTPUT, (OPTION_flags)0, { "--output-pbc" } },
{ 'r', 'r', (OPTION_flags)0, { "--run-pbc" } },
{ '\0', OPT_RUNTIME_PREFIX, (OPTION_flags)0, { "--runtime-prefix" } },
{ 't', 't', OPTION_optional_FLAG, { "--trace" } },
{ 'v', 'v', (OPTION_flags)0, { "--verbose" } },
{ 'w', 'w', (OPTION_flags)0, { "--warnings" } },
{ 'y', 'y', (OPTION_flags)0, { "--yydebug" } },
{ 0, 0, (OPTION_flags)0, { NULL } }
};
/*
=item C<static int is_all_hex_digits(const char *s)>
Tests all characters in a string are hexadecimal digits.
Returns 1 if true, 0 as soon as a non-hex found
=cut
*/
PARROT_WARN_UNUSED_RESULT
PARROT_PURE_FUNCTION
static int
is_all_hex_digits(ARGIN(const char *s))
{
ASSERT_ARGS(is_all_hex_digits)
for (; *s; s++)
if (!isxdigit(*s))
return 0;
return 1;
}
/*
=item C<const char * parseflags(PARROT_INTERP, int *argc, char **argv[])>
Parse Parrot's command line for options and set appropriate flags.
=cut
*/
PARROT_WARN_UNUSED_RESULT
PARROT_CAN_RETURN_NULL
const char *
parseflags(PARROT_INTERP, int *argc, char **argv[])
{
struct longopt_opt_info opt = LONGOPT_OPT_INFO_INIT;
INTVAL core = 0;
int status;
if (*argc == 1) {
usage(stderr);
exit(EXIT_SUCCESS);
}
SET_STATE_RUN_PBC(interp);
while ((status = longopt_get(interp, *argc, (const char **)*argv, options,
&opt)) > 0) {
switch (opt.opt_id) {
case 'R':
if (STREQ(opt.opt_arg, "slow") || STREQ(opt.opt_arg, "bounds"))
core = PARROT_SLOW_CORE;
else if (STREQ(opt.opt_arg, "fast") || STREQ(opt.opt_arg, "function"))
core = PARROT_FAST_CORE;
else if (STREQ(opt.opt_arg, "switch"))
core = PARROT_SWITCH_CORE;
else if (STREQ(opt.opt_arg, "cgp"))
core = PARROT_CGP_CORE;
else if (STREQ(opt.opt_arg, "cgoto"))
core = PARROT_CGOTO_CORE;
else if (STREQ(opt.opt_arg, "jit"))
core = PARROT_FAST_CORE;
else if (STREQ(opt.opt_arg, "cgp-jit"))
core = PARROT_CGP_CORE;
else if (STREQ(opt.opt_arg, "switch-jit"))
core = PARROT_SWITCH_CORE;
else if (STREQ(opt.opt_arg, "exec"))
core = PARROT_EXEC_CORE;
else if (STREQ(opt.opt_arg, "trace"))
core = PARROT_SLOW_CORE;
else if (STREQ(opt.opt_arg, "profiling"))
core = PARROT_PROFILING_CORE;
else if (STREQ(opt.opt_arg, "gcdebug"))
core = PARROT_GC_DEBUG_CORE;
else
Parrot_ex_throw_from_c_args(interp, NULL, 1,
"main: Unrecognized runcore '%s' specified."
"\n\nhelp: parrot -h\n", opt.opt_arg);
break;
case 't':
if (opt.opt_arg && is_all_hex_digits(opt.opt_arg))
SET_TRACE(strtoul(opt.opt_arg, NULL, 16));
else
SET_TRACE(PARROT_TRACE_OPS_FLAG);
break;
case 'd':
if (opt.opt_arg && is_all_hex_digits(opt.opt_arg)) {
IMCC_INFO(interp)->debug = strtoul(opt.opt_arg, NULL, 16);
}
else {
IMCC_INFO(interp)->debug++;
}
break;
case 'D':
if (opt.opt_arg && is_all_hex_digits(opt.opt_arg)) {
SET_DEBUG(strtoul(opt.opt_arg, NULL, 16));
}
else
SET_DEBUG(PARROT_MEM_STAT_DEBUG_FLAG);
break;
case 'w':
Parrot_setwarnings(interp, PARROT_WARNINGS_ALL_FLAG);
IMCC_INFO(interp)->imcc_warn = 1;
break;
case 'G':
IMCC_INFO(interp)->gc_off = 1;
break;
case '.': /* Give Windows Parrot hackers an opportunity to
* attach a debuggger. */
fgetc(stdin);
break;
case 'a':
SET_STATE_PASM_FILE(interp);
break;
case 'h':
help();
exit(EX_USAGE);
break;
case OPT_HELP_DEBUG:
help_debug();
exit(EX_USAGE);
break;
case OPT_RUNTIME_PREFIX:
Parrot_io_printf(interp, "%Ss\n",
Parrot_get_runtime_path(interp));
exit(EXIT_SUCCESS);
case 'V':
Parrot_version(interp);
break;
case 'r':
if (STATE_RUN_PBC(interp))
SET_STATE_RUN_FROM_FILE(interp);
SET_STATE_RUN_PBC(interp);
break;
case 'c':
SET_STATE_LOAD_PBC(interp);
break;
case 'v':
IMCC_INFO(interp)->verbose++;
break;
case 'y':
yydebug = 1;
break;
case 'E':
SET_STATE_PRE_PROCESS(interp);
break;
case 'o':
UNSET_STATE_RUN_PBC(interp);
interp->output_file = opt.opt_arg;
break;
case OPT_PBC_OUTPUT:
UNSET_STATE_RUN_PBC(interp);
SET_STATE_WRITE_PBC(interp);
if (!interp->output_file)
interp->output_file = "-";
break;
case 'O':
if (!opt.opt_arg) {
IMCC_INFO(interp)->optimizer_level |= OPT_PRE;
break;
}
if (strchr(opt.opt_arg, 'p'))
IMCC_INFO(interp)->optimizer_level |= OPT_PASM;
if (strchr(opt.opt_arg, 'c'))
IMCC_INFO(interp)->optimizer_level |= OPT_SUB;
IMCC_INFO(interp)->allocator = IMCC_GRAPH_ALLOCATOR;
/* currently not ok due to different register allocation */
if (strchr(opt.opt_arg, '1')) {
IMCC_INFO(interp)->optimizer_level |= OPT_PRE;
}
if (strchr(opt.opt_arg, '2')) {
IMCC_INFO(interp)->optimizer_level |= (OPT_PRE | OPT_CFG);
}
if (strchr(opt.opt_arg, 't')) {
#ifdef HAVE_COMPUTED_GOTO
core = PARROT_CGP_CORE;
#else
core = PARROT_SWITCH_CORE;
#endif
}
break;
case OPT_GC_DEBUG:
#if DISABLE_GC_DEBUG
Parrot_warn(interp, PARROT_WARNINGS_ALL_FLAG,
"PARROT_GC_DEBUG is set but the binary was "
"compiled with DISABLE_GC_DEBUG.");
#endif
SET_FLAG(PARROT_GC_DEBUG_FLAG);
break;
case OPT_DESTROY_FLAG:
SET_FLAG(PARROT_DESTROY_FLAG);
break;
case 'I':
Parrot_lib_add_path_from_cstring(interp, opt.opt_arg,
PARROT_LIB_PATH_INCLUDE);
break;
case 'L':
Parrot_lib_add_path_from_cstring(interp, opt.opt_arg,
PARROT_LIB_PATH_LIBRARY);
break;
case 'X':
Parrot_lib_add_path_from_cstring(interp, opt.opt_arg,
PARROT_LIB_PATH_DYNEXT);
break;
default:
Parrot_ex_throw_from_c_args(interp, NULL, 1,
"main: Invalid flag '%s' used.\n\nhelp: parrot -h\n",
(*argv)[0]);
}
}
if (status == -1) {
fprintf(stderr, "%s\n", opt.opt_error);
usage(stderr);
exit(EX_USAGE);
}
/* reached the end of the option list and consumed all of argv */
if (*argc == opt.opt_index) {
if (interp->output_file) {
fprintf(stderr, "Missing program name or argument for -o\n");
}
else {
/* We are not looking at an option, so it must be a program name */
fprintf(stderr, "Missing program name\n");
}
usage(stderr);
exit(EX_USAGE);
}
*argc -= opt.opt_index;
*argv += opt.opt_index;
Parrot_set_run_core(interp, (Parrot_Run_core_t) core);
return (*argv)[0];
}
/*
=item C<static void do_pre_process(PARROT_INTERP)>
Pre-processor step. Turn parser's output codes into Parrot instructions.
=cut
*/
static void
do_pre_process(PARROT_INTERP)
{
ASSERT_ARGS(do_pre_process)
int c;
YYSTYPE val;
const yyscan_t yyscanner = IMCC_INFO(interp)->yyscanner;
IMCC_push_parser_state(interp);
c = yylex(&val, yyscanner, interp); /* is reset at end of while loop */
while (c) {
switch (c) {
case EMIT: printf(".emit\n"); break;
case EOM: printf(".eom\n"); break;
case LOCAL: printf(".local "); break;
case ARG: printf(".set_arg "); break;
case SUB: printf(".sub "); break;
case ESUB: printf(".end"); break;
case RESULT: printf(".result "); break;
case RETURN: printf(".return "); break;
case NAMESPACE: printf(".namespace "); break;
case CONST: printf(".const "); break;
case PARAM: printf(".param "); break;
/* RT#46147: print out more information about the macro */
/* case MACRO: yylex(&val, interp, yyscanner);
break; */ /* swallow nl */
case MACRO: printf(".macro "); break;
case GOTO: printf("goto ");break;
case IF: printf("if ");break;
case UNLESS: printf("unless ");break;
case INC: printf("inc ");break;
case DEC: printf("dec ");break;
case INTV: printf("int ");break;
case FLOATV: printf("float ");break;
case STRINGV: printf("string ");break;
case PMCV: printf("pmc ");break;
case NEW: printf("new ");break;
case SHIFT_LEFT: printf(" << ");break;
case SHIFT_RIGHT: printf(" >> ");break;
case SHIFT_RIGHT_U: printf(" >>> ");break;
case LOG_AND: printf(" && ");break;
case LOG_OR: printf(" || ");break;
case LOG_XOR: printf(" ~~ ");break;
case RELOP_LT: printf(" < ");break;
case RELOP_LTE: printf(" <= ");break;
case RELOP_GT: printf(" > ");break;
case RELOP_GTE: printf(" >= ");break;
case RELOP_EQ: printf(" == ");break;
case RELOP_NE: printf(" != ");break;
case POW: printf(" ** ");break;
case COMMA: printf(", ");break;
case LABEL: printf("%s:\t", val.s); break;
case PCC_BEGIN: printf(".begin_call "); break;
case PCC_END: printf(".end_call"); break;
case PCC_SUB: printf(".pccsub "); break;
case PCC_CALL: printf(".call "); break;
case PCC_BEGIN_RETURN: printf(".begin_return"); break;
case PCC_END_RETURN: printf(".end_return"); break;
case PCC_BEGIN_YIELD: printf(".begin_yield"); break;
case PCC_END_YIELD: printf(".end_yield"); break;
case FILECOMMENT: printf("setfile \"%s\"\n", val.s); break;
case LINECOMMENT: printf("setline %d\n", val.t); break;
case PLUS_ASSIGN: printf("+= ");break;
case MINUS_ASSIGN: printf("-= ");break;
case MUL_ASSIGN: printf("*= ");break;
case DIV_ASSIGN: printf("/= ");break;
case MOD_ASSIGN: printf("%%= ");break;
case FDIV_ASSIGN: printf("//= ");break;
case BAND_ASSIGN: printf("&= ");break;
case BOR_ASSIGN: printf("|= ");break;
case BXOR_ASSIGN: printf("~= ");break;
case SHR_ASSIGN: printf(">>= ");break;
case SHL_ASSIGN: printf("<<= ");break;
case SHR_U_ASSIGN: printf(">>>= ");break;
case CONCAT_ASSIGN: printf(".= ");break;
case MAIN: printf(":main");break;
case LOAD: printf(":load");break;
case INIT: printf(":init");break;
case IMMEDIATE: printf(":immediate");break;
case POSTCOMP: printf(":postcomp");break;
case ANON: printf(":anon");break;
case OUTER: printf(":outer");break;
case NEED_LEX: printf(":lex");break;
case METHOD: printf(":method");break;
case UNIQUE_REG: printf(":unique_reg");break;
case ADV_FLAT: printf(":flat");break;
case ADV_SLURPY: printf(":slurpy");break;
case ADV_OPTIONAL: printf(":optional");break;
case ADV_OPT_FLAG: printf(":opt_flag");break;
case ADV_NAMED: printf(":named");break;
case ADV_ARROW: printf("=>");break;
default:
if (c < 255)
printf("%c", c);
else
printf("%s ", val.s);
break;
}
c = yylex(&val, yyscanner, interp);
}
printf("\n");
fflush(stdout);
return;
}
/*
=item C<static void imcc_get_optimization_description(const PARROT_INTERP, int
opt_level, char *opt_desc)>
Create list (opt_desc[]) describing optimisation flags.
=cut
*/
static void
imcc_get_optimization_description(const PARROT_INTERP, int opt_level, ARGMOD(char *opt_desc))
{
ASSERT_ARGS(imcc_get_optimization_description)
int i = 0;
if (opt_level & (OPT_PRE | OPT_CFG))
opt_desc[i++] = '2';
else
if (opt_level & OPT_PRE)
opt_desc[i++] = '1';
if (opt_level & OPT_PASM)
opt_desc[i++] = 'p';
if (opt_level & OPT_SUB)
opt_desc[i++] = 'c';
if (PARROT_RUNCORE_JIT_OPS_TEST(interp->run_core))
opt_desc[i++] = 'j';
if (PARROT_RUNCORE_PREDEREF_OPS_TEST(interp->run_core))
opt_desc[i++] = 't';
opt_desc[i] = '\0';
return;
}
/*
=item C<void imcc_initialize(PARROT_INTERP)>
Initialise interpreter and set optimisation level.
=cut
*/
void
imcc_initialize(PARROT_INTERP)
{
yyscan_t yyscanner = IMCC_INFO(interp)->yyscanner;
do_yylex_init(interp, &yyscanner);
Parrot_block_GC_mark(interp);
Parrot_block_GC_sweep(interp);
IMCC_INFO(interp)->yyscanner = yyscanner;
IMCC_INFO(interp)->allocator = IMCC_VANILLA_ALLOCATOR;
/* Default optimization level is zero; see optimizer.c, imc.h */
if (!IMCC_INFO(interp)->optimizer_level) {
#if 1
IMCC_INFO(interp)->optimizer_level = 0;
#else
/* won't even make with this: something with Data::Dumper and
* set_i_p_i*/
IMCC_INFO(interp)->optimizer_level = OPT_PRE;
#endif
}
}
/*
=item C<static void imcc_run_pbc(PARROT_INTERP, int obj_file, const char
*output_file, int argc, char **argv)>
Write out or run Parrot bytecode.
=cut
*/
static void
imcc_run_pbc(PARROT_INTERP, int obj_file, ARGIN_NULLOK(const char *output_file),
int argc, ARGIN(char **argv))
{
ASSERT_ARGS(imcc_run_pbc)
if (IMCC_INFO(interp)->imcc_warn)
PARROT_WARNINGS_on(interp, PARROT_WARNINGS_ALL_FLAG);
else
PARROT_WARNINGS_off(interp, PARROT_WARNINGS_ALL_FLAG);
if (!IMCC_INFO(interp)->gc_off) {
Parrot_unblock_GC_mark(interp);
Parrot_unblock_GC_sweep(interp);
}
if (obj_file)
IMCC_info(interp, 1, "Writing %s\n", output_file);
else
IMCC_info(interp, 1, "Running...\n");
/* runs :init functions */
PackFile_fixup_subs(interp, PBC_MAIN, NULL);
Parrot_runcode(interp, argc, argv);
}
/*
=item C<static void imcc_write_pbc(PARROT_INTERP, const char *output_file)>
Output packed bytecode file.
=cut
*/
static void
imcc_write_pbc(PARROT_INTERP, ARGIN(const char *output_file))
{
ASSERT_ARGS(imcc_write_pbc)
size_t size;
opcode_t *packed;
FILE *fp;
IMCC_info(interp, 1, "Writing %s\n", output_file);
size = PackFile_pack_size(interp, interp->code->base.pf) *
sizeof (opcode_t);
IMCC_info(interp, 1, "packed code %d bytes\n", size);
packed = (opcode_t*) mem_sys_allocate(size);
PackFile_pack(interp, interp->code->base.pf, packed);
if (STREQ(output_file, "-"))
fp = stdout;
else if ((fp = fopen(output_file, "wb")) == NULL)
IMCC_fatal_standalone(interp, EXCEPTION_EXTERNAL_ERROR,
"Couldn't open %s\n", output_file);
if ((1 != fwrite(packed, size, 1, fp)))
IMCC_fatal_standalone(interp, EXCEPTION_EXTERNAL_ERROR,
"Couldn't write %s\n", output_file);
fclose(fp);
IMCC_info(interp, 1, "%s written.\n", output_file);
free(packed);
}
/*
=item C<static void determine_input_file_type(PARROT_INTERP, const char * const
sourcefile)>
Read in the source and determine whether it's Parrot bytecode or PASM
=cut
*/
static void
determine_input_file_type(PARROT_INTERP, ARGIN(const char * const sourcefile))
{
ASSERT_ARGS(determine_input_file_type)
yyscan_t yyscanner = IMCC_INFO(interp)->yyscanner;
/* Read in the source and check the file extension for the input type;
a file extension .pbc means it's parrot bytecode;
a file extension .pasm means it's parrot assembly (PASM);
otherwise, it's assumed to be PIR.
*/
if (STREQ(sourcefile, "-")) {
imc_yyin_set(stdin, yyscanner);
}
else {
const char * const ext = strrchr(sourcefile, '.');
if (ext && (STREQ(ext, ".pbc"))) { /* a PBC file */
SET_STATE_LOAD_PBC(interp);
UNSET_STATE_WRITE_PBC(interp);
}
else if (!STATE_LOAD_PBC(interp)) {
if (!(imc_yyin_set(fopen(sourcefile, "r"), yyscanner))) {
IMCC_fatal_standalone(interp, EXCEPTION_EXTERNAL_ERROR,
"Error reading source file %s.\n",
sourcefile);
}
if (ext && STREQ(ext, ".pasm"))
SET_STATE_PASM_FILE(interp);
}
}
}
/*
=item C<static void determine_output_file_type(PARROT_INTERP, int *obj_file,
const char *output_file)>
Decide what kind of file we are to output.
=cut
*/
static void
determine_output_file_type(PARROT_INTERP,
ARGMOD(int *obj_file), ARGIN(const char *output_file))
{
ASSERT_ARGS(determine_output_file_type)
const char * const ext = strrchr(output_file, '.');
if (ext) {
if (STREQ(ext, ".pbc"))
SET_STATE_WRITE_PBC(interp);
else if (STREQ(ext, PARROT_OBJ_EXT)) {
UNUSED(obj_file);
IMCC_fatal_standalone(interp, 1, "main: can't produce object file");
}
}
}
/*
=item C<static void compile_to_bytecode(PARROT_INTERP, const char * const
sourcefile, const char * const output_file)>
Compile source code into bytecode (or die trying).
=cut
*/
static void
compile_to_bytecode(PARROT_INTERP,
ARGIN(const char * const sourcefile),
ARGIN_NULLOK(const char * const output_file))
{
ASSERT_ARGS(compile_to_bytecode)
PackFile *pf;
yyscan_t yyscanner = IMCC_INFO(interp)->yyscanner;
const int per_pbc = (STATE_WRITE_PBC(interp) | STATE_RUN_PBC(interp)) !=0;
const int opt_level = IMCC_INFO(interp)->optimizer_level;
/* Shouldn't be more than five, but five extra is cheap */
char opt_desc[10];
imcc_get_optimization_description(interp, opt_level, opt_desc);
IMCC_info(interp, 1, "using optimization '-O%s' (%x) \n",
opt_desc, opt_level);
pf = PackFile_new(interp, 0);
Parrot_pbc_load(interp, pf);
IMCC_push_parser_state(interp);
IMCC_INFO(interp)->state->file = mem_sys_strdup(sourcefile);
emit_open(interp, per_pbc, per_pbc ? NULL : (void*)output_file);
IMCC_info(interp, 1, "Starting parse...\n");
IMCC_INFO(interp)->state->pasm_file = STATE_PASM_FILE(interp) ? 1 : 0;
IMCC_TRY(IMCC_INFO(interp)->jump_buf,
IMCC_INFO(interp)->error_code) {
if (yyparse(yyscanner, interp))
exit(EXIT_FAILURE);
imc_compile_all_units(interp);
}
IMCC_CATCH(IMCC_FATAL_EXCEPTION) {
char * const error_str = Parrot_str_to_cstring(interp,
IMCC_INFO(interp)->error_message);
IMCC_INFO(interp)->error_code=IMCC_FATAL_EXCEPTION;
fprintf(stderr, "error:imcc:%s", error_str);
IMCC_print_inc(interp);
Parrot_str_free_cstring(error_str);
Parrot_exit(interp, IMCC_FATAL_EXCEPTION);
}
IMCC_CATCH(IMCC_FATALY_EXCEPTION) {
char * const error_str = Parrot_str_to_cstring(interp,
IMCC_INFO(interp)->error_message);
IMCC_INFO(interp)->error_code=IMCC_FATALY_EXCEPTION;
fprintf(stderr, "error:imcc:%s", error_str);
IMCC_print_inc(interp);
Parrot_str_free_cstring(error_str);
Parrot_exit(interp, IMCC_FATALY_EXCEPTION);
}
IMCC_END_TRY;
imc_cleanup(interp, yyscanner);
fclose(imc_yyin_get(yyscanner));
IMCC_info(interp, 1, "%ld lines compiled.\n", IMCC_INFO(interp)->line);
if (per_pbc)
PackFile_fixup_subs(interp, PBC_POSTCOMP, NULL);
}
/*
=item C<int imcc_run(PARROT_INTERP, const char *sourcefile, int argc, char
**argv)>
Entry point of IMCC, as invoked by Parrot's main function.
Compile source code (if required), write bytecode file (if required)
and run. This function always returns 0.
=cut
*/
int