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print_code.cpp
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print_code.cpp
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#include <cassert>
#include "highlevel_formatter.h"
#include "print_instruction_seq.h"
#include "print_highlevel_code.h"
PrintCode::PrintCode()
: m_mode(NONE) {
}
PrintCode::~PrintCode() {
}
void PrintCode::collect_string_constant(const std::string &name, const std::string &strval) {
// FIXME: really, we should encode special characters in the string if there are any
set_mode(RODATA);
printf("\n%s: .string \"%s\"\n", name.c_str(), strval.c_str());
}
void PrintCode::collect_global_var(const std::string &name, const std::shared_ptr<Type> &type) {
set_mode(DATA);
printf("\n\t.globl %s\n", name.c_str());
printf("\t.align %u\n", type->get_alignment());
printf("%s: .space %u\n", name.c_str(), type->get_storage_size());
}
void PrintCode::collect_function(const std::string &name, const std::shared_ptr<InstructionSequence> &iseq) {
set_mode(CODE);
printf("\n\t.globl %s\n", name.c_str());
printf("%s:\n", name.c_str());
// print_instructions will be overridden by the concrete implementation
// class to use the appropriate kind of formatter
print_instructions(iseq);
}
void PrintCode::set_mode(Mode mode) {
if (mode == m_mode) return;
switch (mode) {
case RODATA:
printf("\t.section .rodata\n");
break;
case DATA:
printf("\t.section .data\n");
break;
case CODE:
printf("\t.section .text\n");
break;
default:
assert(false); // should not happen
}
m_mode = mode;
}