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Add chapter 8 starting code for compiler series

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This commit is contained in:
Danila Fedorin
2019-11-02 16:38:11 -07:00
parent 37097d3a40
commit 9531f4d8e3
28 changed files with 1612 additions and 0 deletions
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23
code/compiler/08/env.cpp Normal file
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#include "env.hpp"
int env_var::get_offset(const std::string& name) const {
if(name == this->name) return 0;
if(parent) return parent->get_offset(name) + 1;
throw 0;
}
bool env_var::has_variable(const std::string& name) const {
if(name == this->name) return true;
if(parent) return parent->has_variable(name);
return false;
}
int env_offset::get_offset(const std::string& name) const {
if(parent) return parent->get_offset(name) + offset;
throw 0;
}
bool env_offset::has_variable(const std::string& name) const {
if(parent) return parent->has_variable(name);
return false;
}