111 lines
3.6 KiB
Plaintext
111 lines
3.6 KiB
Plaintext
#define PERL_NO_GET_CONTEXT
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#include "EXTERN.h"
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#include "perl.h"
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#include "XSUB.h"
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#include "duktape.h"
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#include "duk_config.h"
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#include "javascript_builtins.h"
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MODULE = Peertube::DL::Javascript PACKAGE = Peertube::DL::Javascript
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PROTOTYPES: ENABLE
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SV *
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_duk_create_heap_default()
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CODE:
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duk_context *context = duk_create_heap_default();
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if (context) {
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duk_push_c_function(context, js_builtin_print, 1);
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duk_put_global_string(context, "print");
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RETVAL = newSVuv((size_t)context);
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} else {
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RETVAL = &PL_sv_undef;
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}
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OUTPUT:
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RETVAL
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SV *
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_duk_eval_wrapper(SV *, SV *)
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CODE:
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if (!ST(0)) {
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croak("Javascript context undefined.", 0);
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}
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duk_context *context = (duk_context *) SvUV(ST(0));
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if (!context) {
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croak("Javascript context null on function call.");
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}
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duk_idx_t top_index;
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if ( (top_index = duk_get_top_index(context)) != DUK_INVALID_INDEX) {
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duk_pop_n(context, top_index + 1);
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}
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duk_require_stack(context, 2);
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if (!ST(1)) {
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croak("Code to eval is undef.");
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}
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STRLEN code_len;
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char *code = SvPV(ST(1), code_len);
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duk_push_lstring(context, code, strlen(code));
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if ( duk_peval(context) != 0 ) {
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croak("Eval failed:\n%s\n%s\n", duk_safe_to_string(context, -1), duk_to_stacktrace(context, -1));
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}
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duk_size_t *lstring_len;
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const char * lstring = duk_get_lstring(context, -1, lstring_len);
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RETVAL = newSVpv(lstring, (size_t) lstring_len);
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top_index = duk_get_top_index(context);
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duk_pop_n(context, top_index+1);
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OUTPUT:
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RETVAL
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SV *
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_duk_call_function(SV *, SV *, ...)
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CODE:
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if (!ST(0)) {
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croak("Context is undef.");
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}
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duk_context *context = (duk_context *) SvUV(ST(0));
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if (!context) {
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croak("Javascript context null on function call.");
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}
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STRLEN function_name_len;
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if (!ST(1)) {
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croak("Function name must be defined.");
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}
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char * function_name = SvPV(ST(1), function_name_len);
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if ( function_name_len == 0 ) {
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croak("Function name cannot be empty.");
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}
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duk_idx_t top_index;
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if ( (top_index = duk_get_top_index(context)) != DUK_INVALID_INDEX ) {
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duk_pop_n(context, top_index+1);
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}
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duk_require_stack(context, items+1);
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(void) duk_get_global_lstring(context, function_name, strlen(function_name));
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if (items > 2) {
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for ( int i = 2; i < items; i++) {
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SV *argument_SV = ST(i);
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if (!argument_SV) {
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croak("Argument %d undefined.", i);
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}
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STRLEN argument_len;
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char *argument = SvPV(argument_SV, argument_len);
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duk_push_lstring(context, argument, strlen(argument));
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}
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}
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duk_size_t *lstring_len;
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duk_call(context, 1);
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const char * return_value = duk_get_lstring(context, -1, lstring_len);
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if ( (top_index = duk_get_top_index(context)) != DUK_INVALID_INDEX ) {
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duk_pop_n(context, top_index+1);
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}
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RETVAL = newSVpv(return_value, (size_t) lstring_len);
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OUTPUT:
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RETVAL
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void
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_duk_destroy_heap(SV *)
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CODE:
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duk_context *context = (duk_context *) SvUV(ST(0));
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if (!context) {
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croak("Cannot destroy something that is not a context.");
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}
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duk_destroy_heap(context);
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