31 lines
931 B
C
31 lines
931 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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/**
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* Implements OP_ECHO: print top-of-stack value without trailing newline.
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* Now stores the value into the VM's output buffer and marks it as partial,
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* so the CLI can render echo output together with following print output.
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*/
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case OP_ECHO: {
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Value v = pop_value(vm);
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Value snap = deep_copy_value(&v);
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free_value(v);
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if (vm->output_count < OUTPUT_SIZE) {
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int idx = vm->output_count;
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vm->output[idx] = snap;
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vm->output_is_partial[idx] = 1; // ECHO does not end the line
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vm->output_count++;
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} else {
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free_value(snap);
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fprintf(stderr, "Runtime error: output buffer overflow\n");
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exit(1);
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}
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break;
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}
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