105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
#ifndef SK_STATE_H
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#define SK_STATE_H
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#include "commons.h"
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#include "value.h"
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#define SK size_t
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#define SK_NO_ID (-1)
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struct local
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{
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int id;
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size_t addr;
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};
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struct stack_value
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{
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size_t addr;
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struct value* value;
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};
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struct frame
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{
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struct vec stack_values;
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struct vec locals;
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struct vec stack;
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};
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struct state
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{
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struct vec frames;
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size_t addr;
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struct vec globals;
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};
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void stack_value_init(struct stack_value* self,
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size_t addr,
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struct value* new_value);
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void stack_value_free(struct stack_value* self);
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void frame_init(struct frame* self);
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void frame_free(struct frame* self);
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void state_init(struct state* self);
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void state_free(struct state* self);
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SK state_make_ref(struct state* self);
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struct value* state_try_deref(struct state* self, size_t ref);
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struct frame* state_frame(struct state* self);
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void state_push_frame(struct state* self);
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void state_pop_frame(struct state* self);
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bool state_has_top(struct state* self);
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SK state_top(struct state* self);
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struct value* state_try_get_value(struct state* self, SK value);
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SK state_pop(struct state* self);
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SK state_push(struct state* self,
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TypeKind type,
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union val val,
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int line);
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SK state_push_int(struct state* self, int integer, int line);
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SK state_push_bool(struct state* self, bool boolean, int line);
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SK state_push_float(struct state* self, double real, int line);
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SK state_push_string(struct state* self, char const* str, int line);
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SK state_push_fun(struct state* self, struct fun* fun, int line);
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SK state_push_ref(struct state* self, size_t ref, int line);
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struct local* state_try_get_local(struct state* self, int id);
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SK state_local_store(struct state* self,
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int id);
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void state_local_load(struct state* self,
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int id);
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TypeKind state_common_num_type(struct state* self, SK lhs, SK rhs);
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TypeKind state_type(struct state* self, SK value);
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double state_as_real(struct state* self, SK lhs);
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int state_line(struct state* self, SK lhs);
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SK state_add(struct state* self);
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SK state_sub(struct state* self);
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SK state_usub(struct state* self);
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SK state_mul(struct state* self);
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SK state_div(struct state* self);
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SK state_mod(struct state* self);
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SK state_pow(struct state* self);
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SK state_and(struct state* self);
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SK state_or(struct state* self);
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SK state_not(struct state* self);
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SK state_lt(struct state* self);
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SK state_gt(struct state* self);
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SK state_eq(struct state* self);
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void state_call(struct state* self);
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void state_ret(struct state* self);
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#endif
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