OVMS3/OVMS.V3/components/duktape/extras/module-node/test.c

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#include <stdio.h>
#include <string.h>
#include "duktape.h"
#include "duk_module_node.h"
static duk_ret_t cb_resolve_module(duk_context *ctx) {
const char *module_id;
const char *parent_id;
module_id = duk_require_string(ctx, 0);
parent_id = duk_require_string(ctx, 1);
duk_push_sprintf(ctx, "%s.js", module_id);
printf("resolve_cb: id:'%s', parent-id:'%s', resolve-to:'%s'\n",
module_id, parent_id, duk_get_string(ctx, -1));
return 1;
}
static duk_ret_t cb_load_module(duk_context *ctx) {
const char *filename;
const char *module_id;
module_id = duk_require_string(ctx, 0);
duk_get_prop_string(ctx, 2, "filename");
filename = duk_require_string(ctx, -1);
printf("load_cb: id:'%s', filename:'%s'\n", module_id, filename);
if (strcmp(module_id, "pig.js") == 0) {
duk_push_sprintf(ctx, "module.exports = 'you\\'re about to get eaten by %s';",
module_id);
} else if (strcmp(module_id, "cow.js") == 0) {
duk_push_string(ctx, "module.exports = require('pig');");
} else if (strcmp(module_id, "ape.js") == 0) {
duk_push_string(ctx, "module.exports = { module: module, __filename: __filename, wasLoaded: module.loaded };");
} else if (strcmp(module_id, "badger.js") == 0) {
duk_push_string(ctx, "exports.foo = 123; exports.bar = 234;");
} else if (strcmp(module_id, "comment.js") == 0) {
duk_push_string(ctx, "exports.foo = 123; exports.bar = 234; // comment");
} else if (strcmp(module_id, "shebang.js") == 0) {
duk_push_string(ctx, "#!ignored\nexports.foo = 123; exports.bar = 234;");
} else {
(void) duk_type_error(ctx, "cannot find module: %s", module_id);
}
return 1;
}
static duk_ret_t handle_print(duk_context *ctx) {
printf("%s\n", duk_safe_to_string(ctx, 0));
return 0;
}
static duk_ret_t handle_assert(duk_context *ctx) {
if (duk_to_boolean(ctx, 0)) {
return 0;
}
(void) duk_generic_error(ctx, "assertion failed: %s", duk_safe_to_string(ctx, 1));
return 0;
}
int main(int argc, char *argv[]) {
duk_context *ctx;
int i;
int exitcode = 0;
ctx = duk_create_heap_default();
if (!ctx) {
return 1;
}
duk_push_c_function(ctx, handle_print, 1);
duk_put_global_string(ctx, "print");
duk_push_c_function(ctx, handle_assert, 2);
duk_put_global_string(ctx, "assert");
duk_push_object(ctx);
duk_push_c_function(ctx, cb_resolve_module, DUK_VARARGS);
duk_put_prop_string(ctx, -2, "resolve");
duk_push_c_function(ctx, cb_load_module, DUK_VARARGS);
duk_put_prop_string(ctx, -2, "load");
duk_module_node_init(ctx);
printf("top after init: %ld\n", (long) duk_get_top(ctx));
for (i = 1; i < argc; i++) {
printf("Evaling: %s\n", argv[i]);
if (duk_peval_string(ctx, argv[i]) != 0) {
if (duk_get_prop_string(ctx, -1, "stack")) {
duk_replace(ctx, -2);
} else {
duk_pop(ctx);
}
exitcode = 1;
}
printf("--> %s\n", duk_safe_to_string(ctx, -1));
duk_pop(ctx);
}
printf("Done\n");
duk_destroy_heap(ctx);
return exitcode;
}