91 lines
1.4 KiB
C
91 lines
1.4 KiB
C
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#include <debug.h>
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#include "../defines/BUILTIN_PARAMETER_DECLARATION.h"
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#include <gc/dec_external_refcount.h>
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#include <value/struct.h>
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#include "ifelse.h"
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struct value* builtin_ifelse(
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BUILTIN_PARAMETER_DECLARATION)
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{
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ENTER;
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if (arguments->kind != vk_list)
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{
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TODO;
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exit(1);
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}
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struct list_value* arguments_lv = &arguments->subclass.list;
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struct value* first = arguments_lv->first;
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struct value* rest = arguments_lv->rest;
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if (rest->kind != vk_list)
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{
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TODO;
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exit(1);
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}
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struct value* second = rest->subclass.list.first;
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struct value* restrest = rest->subclass.list.rest;
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if (restrest->kind != vk_list)
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{
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TODO;
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exit(1);
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}
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struct value* third = restrest->subclass.list.first;
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struct value* restrestrest = restrest->subclass.list.rest;
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if (restrestrest->kind != vk_null)
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{
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TODO;
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exit(1);
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}
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struct value* conditional = evalfunc(first, environment, gc);
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if (conditional->kind != vk_boolean)
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{
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TODO;
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exit(1);
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}
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struct value* result = evalfunc(
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/* expression: */ conditional->subclass.boolean.value ? second : third,
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/* environment: */ environment,
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/* garbage collection: */ gc);
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gc_dec_external_refcount(gc, conditional);
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EXIT;
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return result;
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}
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