71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
/*
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* vm_stack.h - Unlambda VM segmented stacks definitions
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*
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* Copyright (C) 2020 CismonX <admin@cismon.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef U6A_VM_STACK_H_
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#define U6A_VM_STACK_H_
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#include "common.h"
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#include "vm_defs.h"
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#include <stdint.h>
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#include <stdbool.h>
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bool
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u6a_vm_stack_init(uint32_t stack_seg_len, const char* err_stage);
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struct u6a_vm_var_fn
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u6a_vm_stack_top();
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bool
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u6a_vm_stack_push1(struct u6a_vm_var_fn v0);
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bool
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u6a_vm_stack_push2(struct u6a_vm_var_fn v0, struct u6a_vm_var_fn v1);
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// Functions push3 and push4 are made for the s2 function to alleviate overhead caused by hot split
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bool
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u6a_vm_stack_push3(struct u6a_vm_var_fn v0, struct u6a_vm_var_tuple v12);
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bool
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u6a_vm_stack_push4(struct u6a_vm_var_fn v0, struct u6a_vm_var_fn v1, struct u6a_vm_var_tuple v23);
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bool
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u6a_vm_stack_pop();
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struct u6a_vm_var_fn
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u6a_vm_stack_xch(struct u6a_vm_var_fn v1);
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void*
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u6a_vm_stack_save();
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void*
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u6a_vm_stack_dup(void* ptr);
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void
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u6a_vm_stack_resume(void* ptr);
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void
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u6a_vm_stack_discard(void* ptr);
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void
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u6a_vm_stack_destroy();
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#endif
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