code / tomo

   1 // Built-in functions
   2 
   3 #pragma once
   4 
   5 #include <signal.h>
   6 #include <stdbool.h>
   7 #include <stdint.h>
   8 #include <stdio.h> // IWYU pragma: export
   9 
  10 #include "datatypes.h"
  11 #include "print.h"
  12 #include "stacktrace.h" // IWYU pragma: export
  13 #include "types.h"
  14 
  15 extern bool USE_COLOR;
  16 extern Text_t TOMO_VERSION_TEXT;
  17 
  18 void tomo_configure(void);
  19 void tomo_init(void);
  20 void tomo_at_cleanup(Closure_t fn);
  21 void tomo_cleanup(void);
  22 
  23 #define fail(...)                                                                                                      \
  24     ({                                                                                                                 \
  25         tomo_cleanup();                                                                                                \
  26         fflush(stdout);                                                                                                \
  27         if (USE_COLOR) fputs("\x1b[31;7m ==================== ERROR ==================== \033[m\n\n", stderr);         \
  28         else fputs("==================== ERROR ====================\n\n", stderr);                                     \
  29         print_stacktrace(stderr, 1);                                                                                   \
  30         if (USE_COLOR) fputs("\n\x1b[31;1m", stderr);                                                                  \
  31         else fputs("\n", stderr);                                                                                      \
  32         fprint_inline(stderr, "Error: ", __VA_ARGS__);                                                                 \
  33         if (USE_COLOR) fputs("\x1b[m\n", stderr);                                                                      \
  34         else fputs("\n", stderr);                                                                                      \
  35         fflush(stderr);                                                                                                \
  36         raise(SIGABRT);                                                                                                \
  37         exit(1);                                                                                                       \
  38     })
  39 
  40 #define fail_source(filename, start, end, message)                                                                     \
  41     ({                                                                                                                 \
  42         tomo_cleanup();                                                                                                \
  43         fflush(stdout);                                                                                                \
  44         if (USE_COLOR) fputs("\x1b[31;7m ==================== ERROR ==================== \n\n\x1b[0;1m", stderr);      \
  45         else fputs("==================== ERROR ====================\n\n", stderr);                                     \
  46         print_stacktrace(stderr, 0);                                                                                   \
  47         fputs("\n", stderr);                                                                                           \
  48         if (USE_COLOR) fputs("\x1b[31;1m", stderr);                                                                    \
  49         Text$print(stderr, message);                                                                                   \
  50         file_t *_file = (filename) ? load_file(filename) : NULL;                                                       \
  51         if ((filename) && _file) {                                                                                     \
  52             fputs("\n", stderr);                                                                                       \
  53             highlight_error(_file, _file->text + (start), _file->text + (end), "\x1b[31;1m", 1, USE_COLOR);            \
  54         }                                                                                                              \
  55         if (USE_COLOR) fputs("\x1b[m", stderr);                                                                        \
  56         fflush(stderr);                                                                                                \
  57         raise(SIGABRT);                                                                                                \
  58         exit(1);                                                                                                       \
  59     })
  60 
  61 _Noreturn void fail_text(Text_t message);
  62 Text_t builtin_last_err();
  63 __attribute__((nonnull)) void start_inspect(const char *filename, int64_t start, int64_t end);
  64 void end_inspect(const void *expr, const TypeInfo_t *type);
  65 #define inspect(type, expr, typeinfo, start, end)                                                                      \
  66     {                                                                                                                  \
  67         start_inspect(__SOURCE_FILE__, start, end);                                                                    \
  68         type _expr = expr;                                                                                             \
  69         end_inspect(&_expr, typeinfo);                                                                                 \
  70     }
  71 #define inspect_void(expr, typeinfo, start, end)                                                                       \
  72     {                                                                                                                  \
  73         start_inspect(__SOURCE_FILE__, start, end);                                                                    \
  74         expr;                                                                                                          \
  75         end_inspect(NULL, typeinfo);                                                                                   \
  76     }
  77 
  78 void say(Text_t text, bool newline);
  79 Text_t ask(Text_t prompt, bool bold, bool force_tty);
  80 _Noreturn void tomo_exit(Text_t text, int32_t status);
  81 
  82 Closure_t spawn(Closure_t fn);
  83 void sleep_seconds(double seconds);
  84 OptionalText_t getenv_text(Text_t name);
  85 void setenv_text(Text_t name, Text_t value);