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