159 lines
3.5 KiB
C
159 lines
3.5 KiB
C
#include "arena_alloc.h"
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#include "context.h"
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#include "interp.h"
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#include "strbuf.h"
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#include <arena.h>
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#include <debugconsole.h>
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#include <filereader.h>
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#include <in_gb.h>
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#include <in_input.h>
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#include <malloc.h>
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#include <minmax.h>
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#include <mprintf.h>
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#include <path.h>
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#include <printf.h>
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#include <process.h>
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#include <status.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#include <system.h>
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#define PROMPT "$ "
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bool print_commands = false;
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void* wmalloc (void* ctx, size_t size) {
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(void)ctx;
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return malloc (size);
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}
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void* wrealloc (void* ctx, void* mem, size_t old, size_t new) {
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(void)ctx, (void)old;
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return realloc (mem, new);
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}
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void wfree (void* ctx, void* mem) {
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(void)ctx;
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free (mem);
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}
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void* warena_malloc (void* ctx, size_t size) {
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struct arena* a = ctx;
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return arena_malloc (a, size);
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}
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void* warena_realloc (void* ctx, void* mem, size_t old, size_t new) {
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struct arena* a = ctx;
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return arena_realloc (a, mem, old, new);
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}
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void warena_free (void* ctx, void* mem) { (void)ctx, (void)mem; }
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struct edit_line {
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struct in_gb gb;
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size_t cursor;
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};
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static void exec_line (const char* line) {
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struct list_node_link* tokens = NULL;
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if (print_commands)
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mprintf ("+%s\n", line);
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tokenize (&tokens, line);
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if (tokens != NULL)
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parse_and_execute (tokens);
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}
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static bool split_lines_cb (void* ctx, const char* start, size_t len) {
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(void)ctx;
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char* line = malloc (len + 1);
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memcpy (line, start, len);
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line[len] = '\0';
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if (line[0] != '\0')
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exec_line (line);
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free (line);
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return true;
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}
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static bool split_args_cb (void* ctx, const char* start, size_t len) {
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(void)ctx;
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if (posvar_count >= POSVAR_MAX)
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return false;
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struct posvar* posvar = &posvars[posvar_count++];
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memset (posvar, 0, sizeof (*posvar));
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memcpy (posvar->buf, start, min (len, sizeof (posvar->buf) - 1));
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return true;
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}
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void app_main (void) {
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char scriptpathbuf[PATH_MAX];
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char posvarsbuf[2048];
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char printcmdsbuf[4];
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char line[1024];
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if (env_get (process_get_pgid (), "printcmds", (void*)printcmdsbuf, sizeof (printcmdsbuf)) ==
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ST_OK &&
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strcmp (printcmdsbuf, "yes") == 0) {
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print_commands = true;
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}
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memset (scriptpathbuf, 0, sizeof (scriptpathbuf));
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int has_script = env_get (process_get_pgid (), "s", (void*)scriptpathbuf, sizeof (scriptpathbuf));
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if (has_script == ST_OK) {
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if (env_get (process_get_pgid (), "args", (void*)posvarsbuf, sizeof (posvarsbuf)) == ST_OK) {
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strtokenize (posvarsbuf, ' ', NULL, &split_args_cb);
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}
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char volume[VOLUME_MAX];
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const char* path;
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int ret;
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if (!path_parse (scriptpathbuf, volume, &path)) {
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mprintf ("ERROR bad path '%s'\n", scriptpathbuf);
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return;
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}
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struct filereader fr;
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if ((ret = filereader_init (&fr, volume, path)) < 0) {
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mprintf ("ERROR could not initialize filereader for '%s:%s'\n", volume, path);
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return;
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}
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char* buffer = malloc (fr.file_size + 1);
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memset (buffer, 0, fr.file_size + 1);
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if ((ret = filereader_read (&fr, (uint8_t*)buffer, fr.file_size)) < 0) {
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mprintf ("ERROR could not read script: '%s:%s'\n", volume, path);
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free (buffer);
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filereader_fini (&fr);
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return;
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}
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str_split_lines (buffer, strlen (buffer), NULL, &split_lines_cb);
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free (buffer);
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} else {
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while (interp_is_running ()) {
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memset (line, 0, sizeof (line));
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in_stream_read_line (PROMPT, line, sizeof (line) - 1);
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if (line[0] != '\0')
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exec_line (line);
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}
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}
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}
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