diff options
Diffstat (limited to 'cli/pure-run.c')
| -rw-r--r-- | cli/pure-run.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/cli/pure-run.c b/cli/pure-run.c new file mode 100644 index 0000000..cfc3b5c --- /dev/null +++ b/cli/pure-run.c @@ -0,0 +1,196 @@ +#define _POSIX_C_SOURCE 200809L +#include "module-store.h" +#include "store.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +/* Test host for a verified module: reads commands from stdin and prints one + * JSON snapshot per command. Not a product interface. With --store the app's + * states live in that tree store: it starts from them, and frame changes are + * saved at the end of input or by save. --batch N defers saving and saves + * every N commands (and at the end), so N events share one commit. + * down NAME | up NAME | frame [N] | type NAME HEX|- | tick NAME | time MS | replace PATH | save | show + * Text states and text views print as JSON strings; cursors as byte positions; + * lists as arrays of objects; indices as positions; a table view as an array + * with an object of its columns per row. A failed view or cell is null. */ +static const char *const fault_names[] = {"none", "divide", "non_finite", "clamp", "limit", "not_found", "encoding", "exists"}; +/* time MS sets the time events see (milliseconds since 1970); tick NAME is a timer's tick. */ + +static bool load(const char *path, PureModule *module) { + char error[160]; + if (pure_module_read(path, module, error, sizeof(error)) == PURE_OK) return true; + fprintf(stderr, "%s: %s\n", path, error); + return false; +} + +static bool json_span(void *context, PureSpan span) { + (void)context; + for (size_t i = 0; i < span.size; ++i) { + unsigned char c = span.data[i]; + if (c == '"' || c == '\\') printf("\\%c", c); + else if (c < 0x20) printf("\\u%04x", c); + else putchar(c); + } + return true; +} + +/* A text view is collected first: it may fail after some bytes. */ +typedef struct { unsigned char bytes[1 << 16]; size_t used; bool fits; } Collected; + +static bool collect(void *context, PureSpan span) { + Collected *c = context; + c->fits = c->fits && span.size <= sizeof(c->bytes) - c->used; + if (c->fits && span.size) memcpy(c->bytes + c->used, span.data, span.size); + if (c->fits) c->used += span.size; + return true; +} + +static void show_list(const PureModule *m, const PureList *list, const PureRecord *record) { + putchar('['); + for (size_t at = 0; at < pure_list_count(list); ++at) { + printf("%s{", at ? "," : ""); + for (unsigned f = 0; f < record->count; ++f) { + PureCell cell = pure_list_get(list, at, f); + printf("%s\"%s\":", f ? "," : "", m->record_field_names[record->first + f]); + if (!m->record_field_text[record->first + f]) printf("%.17g", cell.num); + else { + putchar('"'); + json_span(NULL, (PureSpan){cell.text, cell.size}); + putchar('"'); + } + } + putchar('}'); + } + putchar(']'); +} + +/* A number or text view, or a column at a row. */ +static void show_value(PureApp *app, uint32_t view, size_t row) { + const PureModule *m = app->module; + static Collected text; + text.used = 0; + text.fits = true; + double value; + bool column = m->view_table[view]; + if (m->view_type[view] == PURE_VIEW_TEXT) { + PureResult result = column ? pure_app_cell_text(app, view, row, collect, &text) + : pure_app_view_text(app, view, collect, &text); + if (result != PURE_OK || !text.fits) printf("null"); + else { + putchar('"'); + json_span(NULL, (PureSpan){text.bytes, text.used}); + putchar('"'); + } + } else if (column ? pure_app_cell(app, view, row, &value) : pure_app_view(app, view, &value)) printf("%.17g", value); + else printf("null"); +} + +static void show(PureApp *app, const char *failure) { + const PureModule *m = app->module; + printf("{\"states\":{"); + for (uint32_t i = 0; i < m->states; ++i) { + printf("%s\"%s\":", i ? "," : "", m->state_names[i]); + if (m->state_type[i] == PURE_STATE_TEXT) { + putchar('"'); + pure_draft_read(app->texts[i], 0, pure_draft_size(app->texts[i]), json_span, NULL); + putchar('"'); + } else if (m->state_type[i] == PURE_STATE_LIST) show_list(m, app->lists[i], &m->record[m->state_ref[i]]); + else printf("%.17g", app->values[i]); + } + printf("},\"views\":{"); + bool first = true; + for (uint32_t i = 0; i < m->views; ++i) { + if (m->view_table[i]) continue; + printf("%s\"%s\":", first ? "" : ",", m->view_names[i]); + first = false; + if (m->view_type[i] != PURE_VIEW_TABLE) { show_value(app, i, 0); continue; } + putchar('['); + for (size_t row = 0; row < pure_app_rows(app, i); ++row) { + printf("%s{", row ? "," : ""); + for (uint32_t c = 0, shown = 0; c < m->views; ++c) { + if (m->view_table[c] != i + 1) continue; + printf("%s\"%s\":", shown++ ? "," : "", m->view_names[c]); + show_value(app, c, row); + } + putchar('}'); + } + putchar(']'); + } + printf("},\"tick\":%llu,\"successfulEvents\":%llu,\"fault\":\"%s\",\"error\":%s%s%s}\n", + (unsigned long long)app->ticks, (unsigned long long)app->events, fault_names[app->fault], + failure ? "\"" : "", failure ? failure : "null", failure ? "\"" : ""); +} + +static int hex(char c) { + return c >= '0' && c <= '9' ? c - '0' : c >= 'a' && c <= 'f' ? c - 'a' + 10 : -1; +} + +int main(int argc, char **argv) { + static PureModule modules[2]; + bool stored = argc >= 4 && !strcmp(argv[2], "--store"); + long batch = argc == 6 && stored && !strcmp(argv[4], "--batch") ? strtol(argv[5], NULL, 10) : 0; + bool usage = argc != 2 && !(stored && argc == 4) && !(batch > 0 && batch <= 100000); + if (usage || !load(argv[1], &modules[0])) { + if (usage) fputs("pure-run MODULE [--store PATH [--batch N]] < commands\n", stderr); + return 2; + } + if (stored && pure_store_init(argv[3]) != PURE_OK) { fprintf(stderr, "cannot open store %s\n", argv[3]); return 2; } + unsigned active = 0; + PureApp app; + PureResult started = pure_app_start(&app, &modules[active], stored ? pure_tree_data(argv[3]) : (PureData){0}); + if (started != PURE_OK) { fprintf(stderr, "cannot start (%d)\n", (int)started); return 2; } + if (batch && !pure_app_defer(&app, true)) { fputs("cannot defer saving\n", stderr); return 2; } + long unsaved = 0; + static char line[1 << 16]; + static unsigned char text[1 << 15]; + int status = 0; + while (fgets(line, sizeof(line), stdin)) { + char command[16] = "", argument[256] = "", data[sizeof(line)] = ""; + const char *failure = NULL; + line[strcspn(line, "\r\n")] = 0; + if (sscanf(line, "%15s %255s %65535s", command, argument, data) < 1) continue; + if (!strcmp(command, "down") || !strcmp(command, "up")) { + int input = pure_module_input(app.module, argument); + if (input < 0) failure = "unknown input"; + else if (pure_app_input(&app, (uint32_t)input, command[0] == 'd' ? PURE_EDGE_DOWN : PURE_EDGE_UP) != PURE_OK) + failure = "event failed"; + } else if (!strcmp(command, "type")) { + int input = pure_module_input(app.module, argument); + size_t length = strcmp(data, "-") ? strlen(data) / 2 : 0; + for (size_t i = 0; i < length && length * 2 == strlen(data); ++i) + text[i] = (unsigned char)(hex(data[2 * i]) << 4 | hex(data[2 * i + 1])); + if (input < 0) failure = "unknown input"; + else if (pure_app_text(&app, (uint32_t)input, (PureSpan){text, length}) != PURE_OK) failure = "event failed"; + } else if (!strcmp(command, "tick")) { + int input = pure_module_input(app.module, argument); + if (input < 0) failure = "unknown input"; + else if (pure_app_tick(&app, (uint32_t)input) != PURE_OK) failure = "event failed"; + } else if (!strcmp(command, "time")) { + char *end; + double now = strtod(argument, &end); + if (!*argument || *end || !(now >= 0 && now < 1e15)) failure = "time"; + else app.now = now; + } else if (!strcmp(command, "frame")) { + long count = *argument ? strtol(argument, NULL, 10) : 1; + if (count < 1 || count > 600) failure = "frame count"; + for (long i = 0; !failure && i < count; ++i) + if (pure_app_frame(&app) != PURE_OK) failure = "event failed"; + } else if (!strcmp(command, "replace")) { + if (!load(argument, &modules[!active])) failure = "invalid module"; + else if (pure_app_replace(&app, &modules[!active]) != PURE_OK) failure = "replace failed"; + else active = !active; + } else if (!strcmp(command, "save")) { + if (pure_app_save(&app) != PURE_OK) failure = "save failed"; + } else if (strcmp(command, "show")) failure = "unknown command"; + if (batch && strcmp(command, "show") && ++unsaved == batch) { + unsaved = 0; + if (pure_app_save(&app) != PURE_OK) failure = "save failed"; + } + if (failure) status = 1; + show(&app, failure); + } + if (pure_app_save(&app) != PURE_OK) { fputs("cannot save\n", stderr); status = 1; } + pure_app_stop(&app); + return status; +} |
