X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/b6d0605d27499279414e2433fae470302c99c110..697d6fd2b2bf66a1f0bf1f28de0ced96fc14cbfc:/Console.cpp

diff --git a/Console.cpp b/Console.cpp
index 25f624e..7f97963 100644
--- a/Console.cpp
+++ b/Console.cpp
@@ -37,9 +37,6 @@
 */
 /* }}} */
 
-#define _GNU_SOURCE
-
-#include <substrate.h>
 #include "cycript.hpp"
 
 #include <cstdio>
@@ -66,23 +63,74 @@
 #include <netinet/in.h>
 #include <sys/un.h>
 
+#include <apr_getopt.h>
+
+static volatile enum {
+    Working,
+    Parsing,
+    Running,
+    Sending,
+    Waiting,
+} mode_;
+
 static jmp_buf ctrlc_;
 
 static void sigint(int) {
-    longjmp(ctrlc_, 1);
+    switch (mode_) {
+        case Working:
+            return;
+        case Parsing:
+            longjmp(ctrlc_, 1);
+        case Running:
+            throw "*** Ctrl-C";
+        case Sending:
+            return;
+        case Waiting:
+            return;
+    }
+}
+
+#if YYDEBUG
+static bool bison_;
+#endif
+static bool strict_;
+static bool pretty_;
+
+void Setup(CYDriver &driver, cy::parser &parser) {
+#if YYDEBUG
+    if (bison_)
+        parser.set_debug_level(1);
+#endif
+    if (strict_)
+        driver.strict_ = true;
 }
 
-void Run(int socket, const char *data, size_t size, FILE *fout, bool expand = false) {
+void Setup(CYOutput &out, CYDriver &driver) {
+    out.pretty_ = pretty_;
+
+    CYContext context(driver.pool_);
+    driver.program_->Replace(context);
+}
+
+void Run(int socket, const char *data, size_t size, FILE *fout = NULL, bool expand = false) {
     CYPool pool;
 
     const char *json;
     if (socket == -1) {
+        mode_ = Running;
+#ifdef CY_EXECUTE
         json = CYExecute(pool, data);
+#else
+        json = NULL;
+#endif
+        mode_ = Working;
         if (json != NULL)
             size = strlen(json);
     } else {
+        mode_ = Sending;
         CYSendAll(socket, &size, sizeof(size));
         CYSendAll(socket, data, size);
+        mode_ = Waiting;
         CYRecvAll(socket, &size, sizeof(size));
         if (size == _not(size_t))
             json = NULL;
@@ -92,6 +140,7 @@ void Run(int socket, const char *data, size_t size, FILE *fout, bool expand = fa
             temp[size] = '\0';
             json = temp;
         }
+        mode_ = Working;
     }
 
     if (json != NULL && fout != NULL) {
@@ -120,7 +169,7 @@ void Run(int socket, const char *data, size_t size, FILE *fout, bool expand = fa
     }
 }
 
-void Run(int socket, std::string &code, FILE *fout, bool expand = false) {
+void Run(int socket, std::string &code, FILE *fout = NULL, bool expand = false) {
     Run(socket, code.c_str(), code.size(), fout, expand);
 }
 
@@ -147,13 +196,16 @@ static void Console(int socket) {
         const char *prompt("cy# ");
 
         if (setjmp(ctrlc_) != 0) {
+            mode_ = Working;
             fputs("\n", fout);
             fflush(fout);
             goto restart;
         }
 
       read:
+        mode_ = Parsing;
         char *line(readline(prompt));
+        mode_ = Working;
         if (line == NULL)
             break;
 
@@ -179,8 +231,17 @@ static void Console(int socket) {
             }
         }
 
-        lines.push_back(line);
         command += line;
+
+        char *begin(line), *end(line + strlen(line));
+        while (char *nl = reinterpret_cast<char *>(memchr(begin, '\n', end - begin))) {
+            *nl = '\0';
+            lines.push_back(begin);
+            begin = nl + 1;
+        }
+
+        lines.push_back(begin);
+
         free(line);
 
         std::string code;
@@ -190,6 +251,7 @@ static void Console(int socket) {
         else {
             CYDriver driver("");
             cy::parser parser(driver);
+            Setup(driver, parser);
 
             driver.data_ = command.c_str();
             driver.size_ = command.size();
@@ -197,22 +259,26 @@ static void Console(int socket) {
             if (parser.parse() != 0 || !driver.errors_.empty()) {
                 for (CYDriver::Errors::const_iterator error(driver.errors_.begin()); error != driver.errors_.end(); ++error) {
                     cy::position begin(error->location_.begin);
-                    if (begin.line != lines.size() || begin.column - 1 != lines.back().size()) {
+                    if (begin.line != lines.size() || begin.column - 1 != lines.back().size() || error->warning_) {
                         cy::position end(error->location_.end);
+
                         if (begin.line != lines.size()) {
                             std::cerr << "  | ";
                             std::cerr << lines[begin.line - 1] << std::endl;
                         }
-                        std::cerr << "  | ";
+
+                        std::cerr << "....";
                         for (size_t i(0); i != begin.column - 1; ++i)
                             std::cerr << '.';
-                        if (begin.line != end.line)
+                        if (begin.line != end.line || begin.column == end.column)
                             std::cerr << '^';
                         else for (size_t i(0), e(end.column - begin.column); i != e; ++i)
                             std::cerr << '^';
                         std::cerr << std::endl;
+
                         std::cerr << "  | ";
                         std::cerr << error->message_ << std::endl;
+
                         add_history(command.c_str());
                         goto restart;
                     }
@@ -225,14 +291,16 @@ static void Console(int socket) {
                 goto read;
             }
 
-            if (driver.source_ == NULL)
+            if (driver.program_ == NULL)
                 goto restart;
 
             if (socket != -1)
                 code = command;
             else {
                 std::ostringstream str;
-                driver.source_->Show(str);
+                CYOutput out(str);
+                Setup(out, driver);
+                out << *driver.program_;
                 code = str.str();
             }
         }
@@ -266,46 +334,131 @@ static void *Map(const char *path, size_t *psize) {
     return base;
 }
 
-int main(int argc, char *argv[]) {
+int main(int argc, char const * const argv[], char const * const envp[]) {
+    _aprcall(apr_app_initialize(&argc, &argv, &envp));
+
+    bool tty(isatty(STDIN_FILENO));
+    bool compile(false);
+
+#ifdef CY_ATTACH
     pid_t pid(_not(pid_t));
+#endif
 
-    for (;;) switch (getopt(argc, argv, "p:")) {
-        case -1:
-            goto getopt;
-        case '?':
-            fprintf(stderr, "usage: cycript [-p <pid>] [<script> [<arg>...]]\n");
-            return 1;
-
-        case 'p': {
-            size_t size(strlen(optarg));
-            char *end;
-            pid = strtoul(optarg, &end, 0);
-            if (optarg + size != end) {
-                fprintf(stderr, "invalid pid for -p\n");
+    CYPool pool;
+    apr_getopt_t *state;
+    _aprcall(apr_getopt_init(&state, pool, argc, argv));
+
+    for (;;) {
+        char opt;
+        const char *arg;
+
+        apr_status_t status(apr_getopt(state,
+            "cg:n:"
+#ifdef CY_ATTACH
+            "p:"
+#endif
+            "s"
+        , &opt, &arg));
+
+        switch (status) {
+            case APR_EOF:
+                goto getopt;
+            case APR_BADCH:
+            case APR_BADARG:
+                fprintf(stderr,
+                    "usage: cycript [-c]"
+#ifdef CY_ATTACH
+                    " [-p <pid>]"
+#endif
+                    " [<script> [<arg>...]]\n"
+                );
                 return 1;
-            }
-        } break;
+            default:
+                _aprcall(status);
+        }
+
+        switch (opt) {
+            case 'c':
+                compile = true;
+            break;
+
+            case 'g':
+                if (false);
+#if YYDEBUG
+                else if (strcmp(arg, "bison") == 0)
+                    bison_ = true;
+#endif
+                else {
+                    fprintf(stderr, "invalid name for -g\n");
+                    return 1;
+                }
+            break;
+
+            case 'n':
+                if (false);
+                else if (strcmp(arg, "minify") == 0)
+                    pretty_ = true;
+                else {
+                    fprintf(stderr, "invalid name for -n\n");
+                    return 1;
+                }
+            break;
+
+#ifdef CY_ATTACH
+            case 'p': {
+                size_t size(strlen(arg));
+                char *end;
+                pid = strtoul(arg, &end, 0);
+                if (arg + size != end) {
+                    fprintf(stderr, "invalid pid for -p\n");
+                    return 1;
+                }
+            } break;
+#endif
+
+            case 's':
+                strict_ = true;
+            break;
+        }
     } getopt:;
 
     const char *script;
+    int ind(state->ind);
 
-    if (optind < argc - 1 && pid != _not(pid_t)) {
+#ifdef CY_ATTACH
+    if (pid != _not(pid_t) && ind < argc - 1) {
         fprintf(stderr, "-p cannot set argv\n");
         return 1;
     }
 
-    if (optind == argc)
+    if (pid != _not(pid_t) && compile) {
+        fprintf(stderr, "-p conflicts with -c\n");
+        return 1;
+    }
+#endif
+
+    if (ind == argc)
         script = NULL;
     else {
+#ifdef CY_EXECUTE
         // XXX: const_cast?! wtf gcc :(
-        CYSetArgs(argc - optind - 1, const_cast<const char **>(argv + optind + 1));
-        script = argv[optind];
+        CYSetArgs(argc - ind - 1, const_cast<const char **>(argv + ind + 1));
+#endif
+        script = argv[ind];
         if (strcmp(script, "-") == 0)
             script = NULL;
     }
 
+#ifdef CY_ATTACH
+    if (pid != _not(pid_t) && script == NULL && !tty) {
+        fprintf(stderr, "non-terminal attaching to remote console\n");
+        return 1;
+    }
+#endif
+
     int socket;
 
+#ifdef CY_ATTACH
     if (pid == _not(pid_t))
         socket = -1;
     else {
@@ -318,40 +471,58 @@ int main(int argc, char *argv[]) {
 
         _syscall(connect(socket, reinterpret_cast<sockaddr *>(&address), SUN_LEN(&address)));
     }
+#else
+    socket = -1;
+#endif
 
-    if (script == NULL)
+    if (script == NULL && tty)
         Console(socket);
     else {
-        CYDriver driver(script);
+        CYDriver driver(script ?: "<stdin>");
         cy::parser parser(driver);
+        Setup(driver, parser);
 
-        size_t size;
-        char *start(reinterpret_cast<char *>(Map(script, &size)));
-        char *end(start + size);
+        char *start, *end;
 
-        if (size >= 2 && start[0] == '#' && start[1] == '!') {
-            start += 2;
+        if (script == NULL) {
+            start = NULL;
+            end = NULL;
 
-            if (void *line = memchr(start, '\n', end - start))
-                start = reinterpret_cast<char *>(line);
-            else
-                start = end;
-        }
+            driver.file_ = stdin;
+        } else {
+            size_t size;
+            start = reinterpret_cast<char *>(Map(script, &size));
+            end = start + size;
+
+            if (size >= 2 && start[0] == '#' && start[1] == '!') {
+                start += 2;
 
-        driver.data_ = start;
-        driver.size_ = end - start;
+                if (void *line = memchr(start, '\n', end - start))
+                    start = reinterpret_cast<char *>(line);
+                else
+                    start = end;
+            }
+
+            driver.data_ = start;
+            driver.size_ = end - start;
+        }
 
         if (parser.parse() != 0 || !driver.errors_.empty()) {
             for (CYDriver::Errors::const_iterator i(driver.errors_.begin()); i != driver.errors_.end(); ++i)
                 std::cerr << i->location_.begin << ": " << i->message_ << std::endl;
-        } else if (driver.source_ != NULL)
+        } else if (driver.program_ != NULL)
             if (socket != -1)
                 Run(socket, start, end - start, stdout);
             else {
                 std::ostringstream str;
-                driver.source_->Show(str);
+                CYOutput out(str);
+                Setup(out, driver);
+                out << *driver.program_;
                 std::string code(str.str());
-                Run(socket, code, stdout);
+                if (compile)
+                    std::cout << code;
+                else
+                    Run(socket, code, stdout);
             }
     }