diff options
Diffstat (limited to 'erts/etc/common')
| -rw-r--r-- | erts/etc/common/Makefile.in | 11 | ||||
| -rw-r--r-- | erts/etc/common/typer.c | 455 |
2 files changed, 464 insertions, 2 deletions
diff --git a/erts/etc/common/Makefile.in b/erts/etc/common/Makefile.in index f656eebc46..b4fa0d4c79 100644 --- a/erts/etc/common/Makefile.in +++ b/erts/etc/common/Makefile.in @@ -143,7 +143,7 @@ MC_OUTPUTS=$(OBJDIR)/erlsrv_logmess.h $(OBJDIR)/erlsrv_logmess.res MT_FLAG="-MD" endif INET_GETHOST = $(BINDIR)/inet_gethost.exe -INSTALL_EMBEDDED_PROGS += $(BINDIR)/dialyzer.exe $(BINDIR)/erlc.exe $(BINDIR)/start_erl.exe $(BINDIR)/escript.exe $(BINDIR)/ct_run.exe +INSTALL_EMBEDDED_PROGS += $(BINDIR)/typer.exe $(BINDIR)/dialyzer.exe $(BINDIR)/erlc.exe $(BINDIR)/start_erl.exe $(BINDIR)/escript.exe $(BINDIR)/ct_run.exe INSTALL_SRC = $(WINETC)/start_erl.c $(WINETC)/Nmakefile.start_erl ERLEXECDIR=. INSTALL_LIBS = @@ -176,7 +176,7 @@ ENTRY_OBJ= ERLSRV_OBJECTS= MC_OUTPUTS= INET_GETHOST = $(BINDIR)/inet_gethost@EXEEXT@ -INSTALL_EMBEDDED_PROGS += $(BINDIR)/dialyzer@EXEEXT@ \ +INSTALL_EMBEDDED_PROGS += $(BINDIR)/typer@EXEEXT@ $(BINDIR)/dialyzer@EXEEXT@ \ $(BINDIR)/erlc@EXEEXT@ $(BINDIR)/escript@EXEEXT@ $(BINDIR)/ct_run@EXEEXT@ \ $(BINDIR)/run_erl $(BINDIR)/to_erl $(BINDIR)/dyn_erl INSTALL_EMBEDDED_DATA = $(UXETC)/start.src $(UXETC)/start_erl.src @@ -238,6 +238,7 @@ endif rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/reclaim.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/run_erl.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/to_erl.o + rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/typer.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/dyn_erl.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/safe_string.o rm -f $(ERL_TOP)/erts/obj*/$(TARGET)/run_erl.o @@ -432,6 +433,12 @@ $(BINDIR)/dialyzer@EXEEXT@: $(OBJDIR)/dialyzer.o $(ERTS_LIB) $(OBJDIR)/dialyzer.o: dialyzer.c $(RC_GENERATED) $(V_CC) $(CFLAGS) -o $@ -c dialyzer.c +$(BINDIR)/typer@EXEEXT@: $(OBJDIR)/typer.o $(ERTS_LIB) + $(ld_verbose)$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/typer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) + +$(OBJDIR)/typer.o: typer.c $(RC_GENERATED) + $(V_CC) $(CFLAGS) -o $@ -c typer.c + $(BINDIR)/escript@EXEEXT@: $(OBJDIR)/escript.o $(ERTS_LIB) $(ld_verbose)$(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/escript.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) diff --git a/erts/etc/common/typer.c b/erts/etc/common/typer.c new file mode 100644 index 0000000000..77a95ccded --- /dev/null +++ b/erts/etc/common/typer.c @@ -0,0 +1,455 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2006-2016. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * %CopyrightEnd% + */ +/* + * Purpose: Typer front-end. + */ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "sys.h" +#ifdef __WIN32__ +#include <winbase.h> +#endif + +#include <ctype.h> + +#define NO 0 +#define YES 1 + +#define ASIZE(a) (sizeof(a)/sizeof(a[0])) + +static int debug = 0; /* Bit flags for debug printouts. */ + +static char** eargv_base; /* Base of vector. */ +static char** eargv; /* First argument for erl. */ + +static int eargc; /* Number of arguments in eargv. */ + +#ifdef __WIN32__ +# define QUOTE(s) possibly_quote(s) +# define IS_DIRSEP(c) ((c) == '/' || (c) == '\\') +# define ERL_NAME "erl.exe" +#else +# define QUOTE(s) s +# define IS_DIRSEP(c) ((c) == '/') +# define ERL_NAME "erl" +#endif + +#define UNSHIFT(s) eargc++, eargv--; eargv[0] = QUOTE(s) +#define PUSH(s) eargv[eargc++] = QUOTE(s) +#define PUSH2(s, t) PUSH(s); PUSH(t) +#define PUSH3(s, t, u) PUSH2(s, t); PUSH(u) + +/* + * Local functions. + */ + +static void error(char* format, ...); +static void* emalloc(size_t size); +static char* strsave(char* string); +static void push_words(char* src); +static int run_erlang(char* name, char** argv); +static char* get_default_emulator(char* progname); +#ifdef __WIN32__ +static char* possibly_quote(char* arg); +static void* erealloc(void *p, size_t size); +#endif + +/* + * Supply a strerror() function if libc doesn't. + */ +#ifndef HAVE_STRERROR + +extern int sys_nerr; + +#ifndef SYS_ERRLIST_DECLARED +extern const char * const sys_errlist[]; +#endif /* !SYS_ERRLIST_DECLARED */ + +char *strerror(int errnum) +{ + static char *emsg[1024]; + + if (errnum != 0) { + if (errnum > 0 && errnum < sys_nerr) + sprintf((char *) &emsg[0], "(%s)", sys_errlist[errnum]); + else + sprintf((char *) &emsg[0], "errnum = %d ", errnum); + } + else { + emsg[0] = '\0'; + } + return (char *) &emsg[0]; +} +#endif /* !HAVE_STRERROR */ + +#ifdef __WIN32__ +int wmain(int argc, wchar_t **wcargv) +{ + char** argv; +#else +int +main(int argc, char** argv) +{ +#endif + int eargv_size; + int eargc_base; /* How many arguments in the base of eargv. */ + char* emulator; + int need_shell = 0; + +#ifdef __WIN32__ + int i; + int len; + /* Convert argv to utf8 */ + argv = emalloc((argc+1) * sizeof(char*)); + for (i=0; i<argc; i++) { + len = WideCharToMultiByte(CP_UTF8, 0, wcargv[i], -1, NULL, 0, NULL, NULL); + argv[i] = emalloc(len*sizeof(char)); + WideCharToMultiByte(CP_UTF8, 0, wcargv[i], -1, argv[i], len, NULL, NULL); + } + argv[argc] = NULL; +#endif + + emulator = get_default_emulator(argv[0]); + + /* + * Allocate the argv vector to be used for arguments to Erlang. + * Arrange for starting to pushing information in the middle of + * the array, to allow easy addition of commands in the beginning. + */ + + eargv_size = argc*4+100; + eargv_base = (char **) emalloc(eargv_size*sizeof(char*)); + eargv = eargv_base; + eargc = 0; + push_words(emulator); + eargc_base = eargc; + eargv = eargv + eargv_size/2; + eargc = 0; + + /* + * Push initial arguments. + */ + + if (argc > 1 && strcmp(argv[1], "-smp") == 0) { + PUSH("-smpauto"); + argc--, argv++; + } + + PUSH("+B"); + PUSH2("-boot", "start_clean"); + PUSH3("-run", "typer", "start"); + PUSH("-extra"); + + /* + * Push everything except --shell. + */ + + while (argc > 1) { + if (strcmp(argv[1], "--shell") == 0) { + need_shell = 1; + } else { + PUSH(argv[1]); + } + argc--, argv++; + } + + if (!need_shell) { + UNSHIFT("-noinput"); + } + + /* + * Move up the commands for invoking the emulator and adjust eargv + * accordingly. + */ + + while (--eargc_base >= 0) { + UNSHIFT(eargv_base[eargc_base]); + } + + /* + * Invoke Erlang with the collected options. + */ + + PUSH(NULL); + return run_erlang(eargv[0], eargv); +} + +static void +push_words(char* src) +{ + char sbuf[MAXPATHLEN]; + char* dst; + + dst = sbuf; + while ((*dst++ = *src++) != '\0') { + if (isspace((int)*src)) { + *dst = '\0'; + PUSH(strsave(sbuf)); + dst = sbuf; + do { + src++; + } while (isspace((int)*src)); + } + } + if (sbuf[0]) + PUSH(strsave(sbuf)); +} +#ifdef __WIN32__ +wchar_t *make_commandline(char **argv) +{ + static wchar_t *buff = NULL; + static int siz = 0; + int num = 0, len; + char **arg; + wchar_t *p; + + if (*argv == NULL) { + return L""; + } + for (arg = argv; *arg != NULL; ++arg) { + num += strlen(*arg)+1; + } + if (!siz) { + siz = num; + buff = (wchar_t *) emalloc(siz*sizeof(wchar_t)); + } else if (siz < num) { + siz = num; + buff = (wchar_t *) erealloc(buff,siz*sizeof(wchar_t)); + } + p = buff; + num=0; + for (arg = argv; *arg != NULL; ++arg) { + len = MultiByteToWideChar(CP_UTF8, 0, *arg, -1, p, siz); + p+=(len-1); + *p++=L' '; + } + *(--p) = L'\0'; + + if (debug) { + printf("Processed command line:%S\n",buff); + } + return buff; +} + +int my_spawnvp(char **argv) +{ + STARTUPINFOW siStartInfo; + PROCESS_INFORMATION piProcInfo; + DWORD ec; + + memset(&siStartInfo,0,sizeof(STARTUPINFOW)); + siStartInfo.cb = sizeof(STARTUPINFOW); + siStartInfo.dwFlags = STARTF_USESTDHANDLES; + siStartInfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE); + siStartInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE); + siStartInfo.hStdError = GetStdHandle(STD_ERROR_HANDLE); + + if (!CreateProcessW(NULL, + make_commandline(argv), + NULL, + NULL, + TRUE, + 0, + NULL, + NULL, + &siStartInfo, + &piProcInfo)) { + return -1; + } + CloseHandle(piProcInfo.hThread); + + WaitForSingleObject(piProcInfo.hProcess,INFINITE); + if (!GetExitCodeProcess(piProcInfo.hProcess,&ec)) { + return 0; + } + return (int) ec; +} +#endif /* __WIN32__ */ + + +static int +run_erlang(char* progname, char** argv) +{ +#ifdef __WIN32__ + int status; +#endif + + if (debug) { + int i = 0; + while (argv[i] != NULL) + printf(" %s", argv[i++]); + printf("\n"); + } + +#ifdef __WIN32__ + /* + * Alas, we must wait here for the program to finish. + * Otherwise, the shell from which we were executed will think + * we are finished and print a prompt and read keyboard input. + */ + + status = my_spawnvp(argv)/*_spawnvp(_P_WAIT,progname,argv)*/; + if (status == -1) { + fprintf(stderr, "typer: Error executing '%s': %d", progname, + GetLastError()); + } + return status; +#else + execvp(progname, argv); + error("Error %d executing \'%s\'.", errno, progname); + return 2; +#endif +} + +static void +error(char* format, ...) +{ + char sbuf[1024]; + va_list ap; + + va_start(ap, format); + erts_vsnprintf(sbuf, sizeof(sbuf), format, ap); + va_end(ap); + fprintf(stderr, "typer: %s\n", sbuf); + exit(1); +} + +static void* +emalloc(size_t size) +{ + void *p = malloc(size); + if (p == NULL) + error("Insufficient memory"); + return p; +} + +#ifdef __WIN32__ +static void * +erealloc(void *p, size_t size) +{ + void *res = realloc(p, size); + if (res == NULL) + error("Insufficient memory"); + return res; +} +#endif + +static char* +strsave(char* string) +{ + char* p = emalloc(strlen(string)+1); + strcpy(p, string); + return p; +} + +static int +file_exists(char *progname) +{ +#ifdef __WIN32__ + wchar_t wcsbuf[MAXPATHLEN]; + MultiByteToWideChar(CP_UTF8, 0, progname, -1, wcsbuf, MAXPATHLEN); + return (_waccess(wcsbuf, 0) != -1); +#else + return (access(progname, 1) != -1); +#endif +} + +static char* +get_default_emulator(char* progname) +{ + char sbuf[MAXPATHLEN]; + char* s; + + if (strlen(progname) >= sizeof(sbuf)) + return ERL_NAME; + + strcpy(sbuf, progname); + for (s = sbuf+strlen(sbuf); s >= sbuf; s--) { + if (IS_DIRSEP(*s)) { + strcpy(s+1, ERL_NAME); + if(file_exists(sbuf)) + return strsave(sbuf); + break; + } + } + return ERL_NAME; +} + +#ifdef __WIN32__ +static char* +possibly_quote(char* arg) +{ + int mustQuote = NO; + int n = 0; + char* s; + char* narg; + + if (arg == NULL) { + return arg; + } + + /* + * Scan the string to find out if it needs quoting and return + * the original argument if not. + */ + + for (s = arg; *s; s++, n++) { + switch(*s) { + case ' ': + mustQuote = YES; + continue; + case '"': + mustQuote = YES; + n++; + continue; + case '\\': + if(s[1] == '"') + n++; + continue; + default: + continue; + } + } + if (!mustQuote) { + return arg; + } + + /* + * Insert the quotes and put a backslash in front of every quote + * inside the string. + */ + + s = narg = emalloc(n+2+1); + for (*s++ = '"'; *arg; arg++, s++) { + if (*arg == '"' || (*arg == '\\' && arg[1] == '"')) { + *s++ = '\\'; + } + *s = *arg; + } + if (s[-1] == '\\') { + *s++ ='\\'; + } + *s++ = '"'; + *s = '\0'; + return narg; +} +#endif /* __WIN32__ */ |