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jsauermann |
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#include
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#include
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#include "Node.hh"
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enum Size
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{
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SIZE_CHAR = 1,
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SIZE_SHORT = 2,
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SIZE_LONG = 4,
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SIZE_INT = SIZE_SHORT,
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SIZE_POINTER = SIZE_INT
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};
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extern FILE * out;
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class Backend
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{
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public:
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static int check_size(int size, const char * function);
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static int check_size(SUW suw, const char * function);
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static void file_header();
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static void file_footer();
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static void load_rr_string(int snum, int offset);
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static void load_ll_string(int snum, int offset);
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static void load_rr_constant(int constant);
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static void load_ll_constant(int constant);
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static void load_rr_var(const char * name, SUW suw);
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static void load_ll_var(const char * name, SUW suw);
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static void load_rr_var(const char * name, int sp_offset, SUW suw);
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static void load_ll_var(const char * name, int sp_offset, SUW suw);
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static void store_rr_var(const char * name, SUW suw);
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static void store_rr_var(const char * name, int sp_offset, SUW suw);
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static void load_address(const char * name);
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static void add_address(const char * name);
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static void load_address(const char * name, int sp_offset);
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static void assign(int size);
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static void call(const char * name);
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static void call_ptr();
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static void ret(int autosize);
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static void push_rr(SUW suw);
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static void pop_rr (SUW suw);
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static void pop_ll (SUW suw);
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static void pop(int pushed);
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static void pop_return(int ret_bytes);
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static int push_return(int ret_bytes);
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static void push_zero(int bytes);
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static void move_rr_to_ll();
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static void compute_unary(int what, const char * pretty);
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static void compute_binary(int what, bool uns, const char * pretty);
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static void compute_binary(int what, bool uns, const char * pretty,
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int value);
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static void mult_shift(int value, bool negative);
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static void div_shift(int value, bool negative, bool uns);
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static void mod_and(int value, bool negative, bool uns);
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static void compute_binary(int what, bool uns, int value,
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const char * pretty);
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static void content(SUW suw);
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static void scale_rr(int size);
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static void unscale_rr(int size, bool uns);
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static void asmbl(const char * asm_string);
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static void asm_adjust(const char * asm_line);
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static void label(int lab);
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static void label(const char * name);
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static void label(const char * name, int loop);
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static void label(const char * name, int loop, int value);
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static void branch(int lab);
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static void branch(const char * name, int loop);
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static void branch(const char * name);
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static void branch_true(const char * name, int loop, int size);
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static void branch_false(const char * name, int lab, int size);
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static void branch_case(const char * name, int loop, int size, int value);
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static int GetSP() { return stack_pointer; };
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static int get_label() { return label_num++; };
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static int new_function(const char * fname);
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private:
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static int stack_pointer;
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static int label_num;
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static int function_num;
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};
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