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49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
#ifndef VM_WRITER_H
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#define VM_WRITER_H
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#include <stdio.h>
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/* VM segments */
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typedef enum {
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SEG_CONST,
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SEG_ARG,
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SEG_LOCAL,
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SEG_STATIC,
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SEG_THIS,
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SEG_THAT,
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SEG_POINTER,
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SEG_TEMP
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} Segment;
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/* VM arithmetic commands */
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typedef enum {
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CMD_ADD,
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CMD_SUB,
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CMD_NEG,
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CMD_EQ,
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CMD_GT,
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CMD_LT,
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CMD_AND,
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CMD_OR,
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CMD_NOT
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} Command;
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/* VM writer structure */
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typedef struct {
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FILE* file;
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} VMWriter;
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/* Function prototypes */
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VMWriter* vm_writer_new(const char* filename);
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void vm_writer_close(VMWriter* writer);
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void vm_writer_write_push(VMWriter* writer, Segment segment, int index);
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void vm_writer_write_pop(VMWriter* writer, Segment segment, int index);
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void vm_writer_write_arithmetic(VMWriter* writer, Command command);
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void vm_writer_write_label(VMWriter* writer, const char* label);
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void vm_writer_write_goto(VMWriter* writer, const char* label);
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void vm_writer_write_if(VMWriter* writer, const char* label);
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void vm_writer_write_call(VMWriter* writer, const char* name, int nArgs);
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void vm_writer_write_function(VMWriter* writer, const char* name, int nLocals);
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void vm_writer_write_return(VMWriter* writer);
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#endif |