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49 lines
810 B
C
49 lines
810 B
C
#ifndef OPCODE_H
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#define OPCODE_H
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#include <assert.h>
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typedef enum {
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#define OP(name, imm, in, out) name,
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#include "opcode_list.h"
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#undef OP
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} opcode;
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enum {
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NUM_OPCODES =
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#define OP(name, imm, in, out) +1
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#include "opcode_list.h"
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#undef OP
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};
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enum {
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OP_HAS_CONSTANT = 2,
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OP_HAS_VARIABLE = 4,
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OP_HAS_BRANCH = 8,
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OP_HAS_SYMBOL = 16,
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OP_HAS_CFUNC = 32,
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OP_HAS_UFUNC = 64,
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OP_IS_CALL_PSEUDO = 128,
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OP_HAS_VARIABLE_LENGTH_ARGLIST = 256,
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OP_HAS_BLOCK = 512,
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OP_HAS_BINDING = 1024,
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};
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struct opcode_description {
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opcode op;
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const char* name;
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int flags;
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// length in 16-bit units
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int length;
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int stack_in, stack_out;
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};
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const struct opcode_description* opcode_describe(opcode op);
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static inline int opcode_length(opcode op) {
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return opcode_describe(op)->length;
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}
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#endif
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