458 lines
10 KiB
C
458 lines
10 KiB
C
#include "ccm.h"
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#include "str.h"
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void ccm_init(ccm_t* self)
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{
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assert(self);
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vec_init(&self->values);
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vec_init(&self->stack);
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err_init(&self->err);
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}
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void ccm_free(ccm_t* self)
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{
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assert(self);
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err_free(&self->err);
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vec_free_elements(&self->values, (void*) value_free);
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vec_free(&self->values);
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vec_free(&self->stack);
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}
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size_t ccm_str(ccm_t* self, char* buffer, size_t size)
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{
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assert(self);
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assert(buffer);
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size_t sz = 0;
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for (size_t i=0; i<self->stack.size; i++)
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{
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value_t* val = self->values.data[(CCM) self->stack.data[i]];
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sz += value_str(val, buffer + sz, size - sz);
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sz += snprintf(buffer + sz, size - sz, "\n");
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}
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return sz;
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}
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CCM ccm_from_value(ccm_t* self, value_t* value)
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{
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assert(self);
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assert(value);
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switch (value->type)
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{
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case TYPE_NUM: {
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return ccm_to_num(self, value->data.num, value->line);
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} break;
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case TYPE_STR: {
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return ccm_to_str(self, value->data.str, value->line);
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} break;
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case TYPE_BOOLEAN: {
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return ccm_to_boolean(
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self,
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value->data.boolean,
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value->line
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);
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} break;
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case TYPE_TUPLE: {
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vec_t * vec = malloc(sizeof(vec_t));
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vec_init(vec);
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for (size_t i=0; i<value->data.tuple->size; i++)
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{
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vec_push(vec, value_new_clone(
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value->data.tuple->data[i]
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));
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}
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return ccm_to_tuple(
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self,
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vec,
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value->line
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);
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} break;
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default: {
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fprintf(stderr,
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"cannot convert value of type <%s> to CCM\n",
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TypeStr[value->type]);
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abort();
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} break;
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}
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}
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value_t* ccm_to_value(ccm_t* self, CCM value)
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{
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assert(self);
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assert(value < self->values.size);
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return (value_t*) self->values.data[value];
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}
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int ccm_is_num(ccm_t* self, CCM value)
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{
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value_t const* val = self->values.data[value];
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return val->type == TYPE_NUM;
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}
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double ccm_from_num(ccm_t* self, CCM value)
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{
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assert(self);
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assert(value < self->values.size);
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if (!ccm_is_num(self, value))
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{
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err_push(&self->err,
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((value_t*) self->values.data[value])->line,
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"not a num");
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return 0.0;
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}
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value_t* val = self->values.data[value];
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return val->data.num;
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}
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CCM ccm_to_num(ccm_t* self, double value, int line)
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{
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assert(self);
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value_t* val = malloc(sizeof(value_t));
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value_init_num(val, value, line);
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vec_push(&self->values, val);
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return self->values.size - 1;
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}
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int ccm_is_tuple(ccm_t* self, CCM value)
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{
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assert(self);
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value_t* val = self->values.data[value];
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assert(val);
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return val->type == TYPE_TUPLE;
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}
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vec_t* ccm_from_tuple(ccm_t* self, CCM value)
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{
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assert(self);
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value_t* val = self->values.data[value];
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if (!ccm_is_tuple(self, value))
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{
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err_push(&self->err, val->line, "not a tuple");
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return NULL;
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}
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return val->data.tuple;
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}
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CCM ccm_to_tuple(ccm_t* self, vec_t* values, int line)
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{
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assert(self);
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assert(values);
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value_t* value = malloc(sizeof(value_t));
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value_init_new_tuple(value, values, line);
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vec_push(&self->values, value);
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return self->values.size - 1;
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}
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int ccm_is_boolean(ccm_t* self, CCM value)
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{
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assert(self);
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return ((value_t*) self->values.data[value])->type
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== TYPE_BOOLEAN;
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}
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int ccm_from_boolean(ccm_t* self, CCM value)
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{
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assert(self);
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return ((value_t*) self->values.data[value])->data.boolean;
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}
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CCM ccm_to_boolean(ccm_t* self, int value, int line)
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{
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value_t* boolean = malloc(sizeof(value_t));
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value_init_boolean(boolean, value, line);
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vec_push(&self->values, boolean);
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return self->values.size - 1;
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}
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int ccm_is_str(ccm_t* self, CCM value)
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{
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assert(self);
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return ((value_t*) self->values.data[value])->type == TYPE_STR;
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}
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char* ccm_from_str(ccm_t* self, CCM value)
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{
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assert(self);
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return ((value_t*) self->values.data[value])->data.str;
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}
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CCM ccm_to_str(ccm_t* self, char* value, int line)
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{
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assert(self);
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assert(value);
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value_t* val = malloc(sizeof(value_t));
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value_init_str(val, value, line);
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vec_push(&self->values, val);
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return self->values.size - 1;
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}
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void ccm_push(ccm_t* self, CCM value)
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{
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assert(self);
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vec_push(&self->stack, (void*) value);
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}
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CCM ccm_pop(ccm_t* self)
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{
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assert(self);
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void* val = vec_pop(&self->stack);
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return (CCM) val;
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}
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CCM ccm_top(ccm_t* self, int depth)
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{
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assert(self);
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assert((size_t) depth < self->stack.size);
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return (CCM) self->stack.data[self->stack.size - 1 - depth];
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}
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void ccm_in(ccm_t* self)
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{
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assert(self);
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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if (!ccm_is_tuple(self, ccm_rhs))
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{
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err_push(&self->err, line, "cannot test membership");
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return;
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}
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vec_t* rhs = ccm_from_tuple(self, ccm_rhs);
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value_t* val = ((value_t*)self->values.data[ccm_lhs]);
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for (size_t i=0; i<rhs->size; i++)
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{
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if (value_equals(val, rhs->data[i]))
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{
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ccm_push(self, ccm_to_boolean(self, 1, line));
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return;
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}
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}
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ccm_push(self, ccm_to_boolean(self, 0, line));
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}
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void ccm_add(ccm_t* self)
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{
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assert(self);
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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if (ccm_is_str(self, ccm_rhs)
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&& ccm_is_str(self, ccm_lhs))
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{
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char const* lhs = ccm_from_str(self, ccm_lhs);
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char const* rhs = ccm_from_str(self, ccm_rhs);
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str_t s;
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str_init(&s);
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str_push_cstr(&s, lhs);
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str_push_cstr(&s, rhs);
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ccm_push(self, ccm_to_str(self, s.value, line));
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str_free(&s);
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return;
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}
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double rhs = ccm_from_num(self, ccm_rhs);
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double lhs = ccm_from_num(self, ccm_lhs);
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ccm_push(self, ccm_to_num(self, lhs + rhs, line));
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}
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void ccm_sub(ccm_t* self)
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{
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assert(self);
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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double rhs = ccm_from_num(self, ccm_rhs);
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double lhs = ccm_from_num(self, ccm_lhs);
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ccm_push(self, ccm_to_num(self, lhs - rhs, line));
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}
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void ccm_usub(ccm_t* self)
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{
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assert(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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double lhs = ccm_from_num(self, ccm_lhs);
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ccm_push(self, ccm_to_num(self, -lhs, line));
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}
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void ccm_mul(ccm_t* self)
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{
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assert(self);
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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if (ccm_is_str(self, ccm_rhs)
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&& ccm_is_num(self, ccm_lhs))
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{
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CCM tmp = ccm_lhs;
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ccm_lhs = ccm_rhs;
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ccm_rhs = tmp;
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}
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if (ccm_is_str(self, ccm_lhs)
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&& ccm_is_num(self, ccm_rhs))
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{
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int count = ccm_from_num(self, ccm_rhs);
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char const* val = ccm_from_str(self, ccm_lhs);
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str_t s;
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str_init(&s);
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for (int i=0; i<count; i++)
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{
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str_push_cstr(&s, val);
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}
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ccm_push(self, ccm_to_str(self, s.value, line));
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str_free(&s);
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return;
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}
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double rhs = ccm_from_num(self, ccm_rhs);
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double lhs = ccm_from_num(self, ccm_lhs);
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ccm_push(self, ccm_to_num(self, lhs * rhs, line));
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}
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void ccm_div(ccm_t* self)
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{
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assert(self);
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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double rhs = ccm_from_num(self, ccm_rhs);
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double lhs = ccm_from_num(self, ccm_lhs);
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ccm_push(self, ccm_to_num(self, lhs / rhs, line));
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}
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void ccm_mod(ccm_t* self)
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{
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assert(self);
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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double rhs = ccm_from_num(self, ccm_rhs);
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double lhs = ccm_from_num(self, ccm_lhs);
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ccm_push(self, ccm_to_num(self, fmod(lhs, rhs), line));
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}
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void ccm_pow(ccm_t* self)
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{
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assert(self);
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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double rhs = ccm_from_num(self, ccm_rhs);
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double lhs = ccm_from_num(self, ccm_lhs);
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ccm_push(self, ccm_to_num(self, powf(lhs, rhs), line));
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}
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void ccm_not(ccm_t* self)
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{
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assert(self);
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CCM ccm_lhs = ccm_pop(self);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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int lhs = ccm_from_boolean(self, ccm_lhs);
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ccm_push(self, ccm_to_boolean(self, !lhs, line));
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}
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void ccm_eq(ccm_t* self)
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{
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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value_t* lhs = ccm_to_value(self, ccm_lhs);
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value_t* rhs = ccm_to_value(self, ccm_rhs);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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int eq = value_equals(lhs, rhs);
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ccm_push(self, ccm_to_boolean(self, eq, line));
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}
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void ccm_ne(ccm_t* self)
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{
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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value_t* lhs = ccm_to_value(self, ccm_lhs);
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value_t* rhs = ccm_to_value(self, ccm_rhs);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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int eq = value_equals(lhs, rhs);
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ccm_push(self, ccm_to_boolean(self, !eq, line));
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}
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void ccm_lt(ccm_t* self)
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{
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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double lhs = ccm_from_num(self, ccm_lhs);
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double rhs = ccm_from_num(self, ccm_rhs);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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ccm_push(self, ccm_to_boolean(self, lhs < rhs, line));
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}
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void ccm_le(ccm_t* self)
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{
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ccm_gt(self);
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ccm_not(self);
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}
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void ccm_gt(ccm_t* self)
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{
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CCM ccm_rhs = ccm_pop(self);
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CCM ccm_lhs = ccm_pop(self);
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double lhs = ccm_from_num(self, ccm_lhs);
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double rhs = ccm_from_num(self, ccm_rhs);
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int line = ((value_t*) self->values.data[ccm_lhs])->line;
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ccm_push(self, ccm_to_boolean(self, lhs > rhs, line));
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}
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void ccm_ge(ccm_t* self)
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{
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ccm_lt(self);
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ccm_not(self);
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}
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