33 lines
899 B
C
33 lines
899 B
C
/**
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* This file is part of the Fun programming language.
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* https://fun-lang.xyz/
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*
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* Copyright 2025 Johannes Findeisen <you@hanez.org>
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* Licensed under the terms of the Apache-2.0 license.
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* https://opensource.org/license/apache-2-0
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*/
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case OP_THROW: {
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Value err = pop_value(vm);
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/* if there is a handler in this frame, jump to it and push err for catch */
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if (f->try_sp >= 0) {
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int try_idx = f->try_stack[f->try_sp--];
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int target = f->fn->instructions[try_idx].operand;
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/* push error for catch block */
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push_value(vm, err); /* transfer ownership to stack */
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f->ip = target;
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break;
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}
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/* Unhandled: print error and terminate */
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char *s = value_to_string_alloc(&err);
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if (s) {
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fprintf(stdout, "%s\n", s);
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free(s);
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} else {
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fprintf(stdout, "<error>\n");
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}
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free_value(err);
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/* clear frames to stop execution */
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vm->fp = -1;
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break;
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}
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