blog-static/code/compiler/13/global_scope.cpp

77 lines
2.5 KiB
C++

#include "global_scope.hpp"
#include "ast.hpp"
void global_function::compile() {
env_ptr new_env = env_ptr(new env_offset(0, nullptr));
for(auto it = params.rbegin(); it != params.rend(); it++) {
new_env = env_ptr(new env_var(*it, new_env));
}
body->compile(new_env, instructions);
instructions.push_back(instruction_ptr(new instruction_update(params.size())));
instructions.push_back(instruction_ptr(new instruction_pop(params.size())));
}
void global_function::declare_llvm(llvm_context& ctx) {
generated_function = ctx.create_custom_function(name, params.size());
}
void global_function::generate_llvm(llvm_context& ctx) {
ctx.get_builder().SetInsertPoint(&generated_function->getEntryBlock());
for(auto& instruction : instructions) {
instruction->gen_llvm(ctx, generated_function);
}
ctx.get_builder().CreateRetVoid();
}
void global_constructor::generate_llvm(llvm_context& ctx) {
auto new_function =
ctx.create_custom_function(name, arity);
std::vector<instruction_ptr> instructions;
instructions.push_back(instruction_ptr(new instruction_pack(tag, arity)));
instructions.push_back(instruction_ptr(new instruction_update(0)));
ctx.get_builder().SetInsertPoint(&new_function->getEntryBlock());
for (auto& instruction : instructions) {
instruction->gen_llvm(ctx, new_function);
}
ctx.get_builder().CreateRetVoid();
}
global_function& global_scope::add_function(
const std::string& n,
std::vector<std::string> ps,
ast_ptr b) {
auto name = mng->new_mangled_name(n);
global_function* new_function =
new global_function(std::move(name), std::move(ps), std::move(b));
functions.push_back(global_function_ptr(new_function));
return *new_function;
}
global_constructor& global_scope::add_constructor(
const std::string& n,
int8_t t,
size_t a) {
auto name = mng->new_mangled_name(n);
global_constructor* new_constructor = new global_constructor(name, t, a);
constructors.push_back(global_constructor_ptr(new_constructor));
return *new_constructor;
}
void global_scope::compile() {
for(auto& function : functions) {
function->compile();
}
}
void global_scope::generate_llvm(llvm_context& ctx) {
for(auto& constructor : constructors) {
constructor->generate_llvm(ctx);
}
for(auto& function : functions) {
function->declare_llvm(ctx);
}
for(auto& function : functions) {
function->generate_llvm(ctx);
}
}