working on the debugger mode
This commit is contained in:
cozis
+26
-145
@@ -2,7 +2,7 @@
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "debug.h"
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#include "compiler/parse.h"
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#include "compiler/serialize.h"
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#include "compiler/compile.h"
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@@ -22,6 +22,8 @@ typedef struct {
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const char *input, *output;
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} Options;
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_Bool debug_callback(Runtime *runtime, void *userp);
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static int parse_args(Options *opts, int argc, char **argv, Error *error)
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{
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assert(argc >= 0);
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@@ -102,148 +104,6 @@ static int parse_args(Options *opts, int argc, char **argv, Error *error)
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return i;
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}
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static _Bool debug_callback(Runtime *runtime, void *userp)
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{
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assert(runtime != NULL);
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assert(userp == NULL);
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#define ANSI_COLOR_RED "\x1b[31m"
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#define ANSI_COLOR_GREEN "\x1b[32m"
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#define ANSI_COLOR_YELLOW "\x1b[33m"
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#define ANSI_COLOR_BLUE "\x1b[34m"
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#define ANSI_COLOR_MAGENTA "\x1b[35m"
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#define ANSI_COLOR_CYAN "\x1b[36m"
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#define ANSI_COLOR_RESET "\x1b[0m"
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char buffer[256];
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int length;
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int argc;
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char *argv[32];
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do {
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fprintf(stderr, ANSI_COLOR_GREEN "> " ANSI_COLOR_RESET);
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{
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length = 0;
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char c;
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while((c = getc(stdin)) != '\n')
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{
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if(length < (int) sizeof(buffer)-1)
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buffer[length] = c;
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length += 1;
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}
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if(length > (int) sizeof(buffer)-1)
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{
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fprintf(stdout,
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"Command is too long. The internal buffer can only contain %ld bytes.\n"
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"Try inserting another command.\n",
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sizeof(buffer)-1);
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continue;
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}
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buffer[length] = '\0';
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}
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// Now split the buffer into words in the (argc, argv) style.
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{
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argc = 0;
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_Bool again = 0;
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int curs = 0;
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while(1)
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{
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// Skip whitespace.
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while(isspace(buffer[curs]))
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curs += 1;
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if(buffer[curs] == '\0')
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break;
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int offset = curs;
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while(!isspace(buffer[curs]) && buffer[curs] != '\0')
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curs += 1;
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int length = curs - offset;
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assert(length > 0);
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{
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int max_argc = sizeof(argv) / sizeof(argv[0]);
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if(argc == max_argc)
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{
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fprintf(stdout,
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"Command has too many words. The internal buffer can only contain %d words.\n"
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"Try inserting another command.\n",
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max_argc);
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again = 1;
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break;
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}
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argv[argc++] = buffer + offset;
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}
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if(buffer[curs] == '\0')
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break;
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assert(isspace(buffer[curs]));
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buffer[curs] = '\0';
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curs += 1; // Consume the space that ended the word (not overwritten by a zero byte).
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}
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if(again)
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continue;
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}
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if(argc == 0)
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continue;
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{
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if(!strcmp(argv[0], "help"))
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{
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fprintf(stderr,
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"help ...................... Show this message\n"
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"step ...................... Run an instruction\n"
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"quit ...................... Stop execution\n"
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"continue .................. Run until a breakpoint or the end of the code is reached\n"
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"breakpoint <file> <line> .. Add a breakpoint\n");
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}
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else if(!strcmp(argv[0], "breakpoint"))
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{
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fprintf(stderr, "Not implemented yet.\n");
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}
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else if(!strcmp(argv[0], "continue"))
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{
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fprintf(stderr, "Not implemented yet.\n");
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}
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else if(!strcmp(argv[0], "step"))
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{
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break;
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}
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else if(!strcmp(argv[0], "quit"))
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{
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return 0;
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}
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else
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{
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fprintf(stdout, "Unknown command \"%s\". Type \"help\" is you need help.\n", argv[0]);
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}
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}
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} while(1);
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return 1;
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}
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int main(int argc, char **argv)
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{
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Error error;
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@@ -328,11 +188,30 @@ int main(int argc, char **argv)
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// Execute
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{
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Runtime *runtime = Runtime_New(-1, -1);
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Debug *dbg = NULL;
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Runtime *runtime;
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if(opts.debug)
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{
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dbg = Debug_New();
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if(dbg == NULL)
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{
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fprintf(stderr, "Couldn't initialize debug state.\n");
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Executable_Free(exe);
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Source_Free(src);
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return 1;
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}
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runtime = Runtime_New(-1, -1, dbg, Debug_Callback);
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}
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else
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runtime = Runtime_New(-1, -1, NULL, NULL);
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if(runtime == NULL)
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{
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fprintf(stderr, "Couldn't initialize runtime.\n");
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Debug_Free(dbg);
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Executable_Free(exe);
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Source_Free(src);
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return 1;
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@@ -341,7 +220,7 @@ int main(int argc, char **argv)
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RuntimeError error;
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RuntimeError_Init(&error, runtime);
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Object *result = run(runtime, (Error*) &error, exe, 0, NULL, 0, NULL, opts.debug ? debug_callback : NULL);
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Object *result = run(runtime, (Error*) &error, exe, 0, NULL, 0);
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if(result == NULL || !Object_Print(result, stderr, (Error*) &error))
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{
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@@ -352,6 +231,7 @@ int main(int argc, char **argv)
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else
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fprintf(stderr, "No snapshot available.\n");
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Debug_Free(dbg);
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Source_Free(src);
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Executable_Free(exe);
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RuntimeError_Free(&error);
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@@ -361,6 +241,7 @@ int main(int argc, char **argv)
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fprintf(stderr, "\n");
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Runtime_Free(runtime);
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Debug_Free(dbg);
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}
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Executable_Free(exe);
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