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Start to cleanup layout and code

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This commit is contained in:
Jason Turner
2021-05-06 17:50:36 -06:00
parent 7a5926b5fd
commit 3f9fd79586
2 changed files with 227 additions and 202 deletions
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18
.clang-format
View File

@@ -1,25 +1,25 @@
AccessModifierOffset: -2 AccessModifierOffset: -2
AlignAfterOpenBracket: DontAlign AlignAfterOpenBracket: DontAlign
AlignConsecutiveAssignments: false AlignConsecutiveAssignments: Consecutive
AlignConsecutiveDeclarations: false AlignConsecutiveDeclarations: Consecutive
AlignEscapedNewlines: Left AlignEscapedNewlines: Left
AlignOperands: true AlignOperands: true
AlignTrailingComments: false AlignTrailingComments: false
AllowAllParametersOfDeclarationOnNextLine: false AllowAllParametersOfDeclarationOnNextLine: false
AllowShortBlocksOnASingleLine: true AllowShortBlocksOnASingleLine: Always
AllowShortCaseLabelsOnASingleLine: false AllowShortCaseLabelsOnASingleLine: true
AllowShortFunctionsOnASingleLine: All AllowShortFunctionsOnASingleLine: All
AllowShortIfStatementsOnASingleLine: true AllowShortIfStatementsOnASingleLine: WithoutElse
AllowShortLoopsOnASingleLine: true AllowShortLoopsOnASingleLine: true
AlwaysBreakAfterDefinitionReturnType: None AlwaysBreakAfterDefinitionReturnType: None
AlwaysBreakAfterReturnType: None AlwaysBreakAfterReturnType: None
AlwaysBreakBeforeMultilineStrings: true AlwaysBreakBeforeMultilineStrings: true
AlwaysBreakTemplateDeclarations: false AlwaysBreakTemplateDeclarations: MultiLine
BinPackArguments: false BinPackArguments: false
BinPackParameters: false BinPackParameters: false
BraceWrapping: BraceWrapping:
AfterCaseLabel: false
AfterClass: true AfterClass: true
AfterControlStatement: false
AfterEnum: false AfterEnum: false
AfterFunction: true AfterFunction: true
AfterNamespace: false AfterNamespace: false
@@ -79,7 +79,7 @@ ObjCSpaceAfterProperty: true
ObjCSpaceBeforeProtocolList: false ObjCSpaceBeforeProtocolList: false
PointerAlignment: Right PointerAlignment: Right
ReflowComments: true ReflowComments: true
SortIncludes: false SortIncludes: CaseInsensitive
SortUsingDeclarations: false SortUsingDeclarations: false
SpaceAfterCStyleCast: false SpaceAfterCStyleCast: false
SpaceAfterTemplateKeyword: false SpaceAfterTemplateKeyword: false
@@ -92,7 +92,7 @@ SpacesInCStyleCastParentheses: false
SpacesInContainerLiterals: true SpacesInContainerLiterals: true
SpacesInParentheses: false SpacesInParentheses: false
SpacesInSquareBrackets: false SpacesInSquareBrackets: false
Standard: Cpp11 Standard: c++20
TabWidth: 8 TabWidth: 8
UseTab: Never UseTab: Never

373
src/6502-c++.cpp
View File

@@ -1,12 +1,13 @@
#include <iostream>
#include <vector>
#include <set>
#include <string>
#include <regex>
#include <cassert> #include <cassert>
#include <map>
#include <cctype> #include <cctype>
#include <fstream> #include <fstream>
#include <iostream>
#include <map>
#include <regex>
#include <set>
#include <string>
#include <vector>
#include <fmt/format.h>
struct ASMLine struct ASMLine
{ {
@@ -101,43 +102,56 @@ struct mos6502 : ASMLine
{ {
enum class OpCode { enum class OpCode {
unknown, unknown,
lda,
adc,
AND,
asl, asl,
rol,
ldy, bcc,
tay, bcs,
tya, beq,
tax, bit,
txa, bmi,
bne,
bpl,
cpy, cpy,
cmp,
clc,
dec,
eor, eor,
inc,
jmp,
jsr,
lda,
ldy,
lsr,
ORA,
pha,
php,
pla,
plp,
rol,
ror,
rts,
sbc,
sec,
sta, sta,
sty, sty,
pha,
pla, tax,
php, tay,
plp, txa,
lsr, tya,
ror,
AND,
inc,
dec,
ORA,
cmp,
bne,
beq,
bmi,
bpl,
jmp,
adc,
sbc,
rts,
clc,
sec,
bit,
jsr,
bcc,
bcs
}; };
static bool get_is_branch(const OpCode o) static bool get_is_branch(const OpCode o)
@@ -150,37 +164,38 @@ struct mos6502 : ASMLine
case OpCode::bcc: case OpCode::bcc:
case OpCode::bcs: case OpCode::bcs:
return true; return true;
case OpCode::lda: case OpCode::adc:
case OpCode::ldy:
case OpCode::tay:
case OpCode::tya:
case OpCode::tax:
case OpCode::txa:
case OpCode::cpy:
case OpCode::eor:
case OpCode::sta:
case OpCode::sty:
case OpCode::pha:
case OpCode::pla:
case OpCode::php:
case OpCode::plp:
case OpCode::lsr:
case OpCode::ror:
case OpCode::AND: case OpCode::AND:
case OpCode::inc: case OpCode::asl:
case OpCode::dec: case OpCode::bit:
case OpCode::ORA: case OpCode::cpy:
case OpCode::cmp: case OpCode::cmp:
case OpCode::clc:
case OpCode::dec:
case OpCode::eor:
case OpCode::inc:
case OpCode::jmp: case OpCode::jmp:
case OpCode::jsr: case OpCode::jsr:
case OpCode::adc: case OpCode::lda:
case OpCode::sbc: case OpCode::ldy:
case OpCode::rts: case OpCode::lsr:
case OpCode::clc: case OpCode::ORA:
case OpCode::sec: case OpCode::pha:
case OpCode::bit: case OpCode::php:
case OpCode::asl: case OpCode::pla:
case OpCode::plp:
case OpCode::rol: case OpCode::rol:
case OpCode::ror:
case OpCode::rts:
case OpCode::sbc:
case OpCode::sec:
case OpCode::sta:
case OpCode::sty:
case OpCode::tax:
case OpCode::tay:
case OpCode::txa:
case OpCode::tya:
case OpCode::unknown: case OpCode::unknown:
break; break;
} }
@@ -190,44 +205,44 @@ struct mos6502 : ASMLine
static bool get_is_comparison(const OpCode o) static bool get_is_comparison(const OpCode o)
{ {
switch (o) { switch (o) {
case OpCode::bit:
case OpCode::cmp: case OpCode::cmp:
case OpCode::cpy: case OpCode::cpy:
case OpCode::bit:
return true; return true;
case OpCode::lda: case OpCode::adc:
case OpCode::ldy:
case OpCode::tay:
case OpCode::tya:
case OpCode::tax:
case OpCode::txa:
case OpCode::eor:
case OpCode::sta:
case OpCode::sty:
case OpCode::pha:
case OpCode::pla:
case OpCode::php:
case OpCode::plp:
case OpCode::lsr:
case OpCode::ror:
case OpCode::AND: case OpCode::AND:
case OpCode::inc: case OpCode::asl:
case OpCode::dec: case OpCode::beq:
case OpCode::ORA:
case OpCode::jmp:
case OpCode::jsr:
case OpCode::bne: case OpCode::bne:
case OpCode::bmi: case OpCode::bmi:
case OpCode::beq:
case OpCode::bpl: case OpCode::bpl:
case OpCode::bcs:
case OpCode::bcc: case OpCode::bcc:
case OpCode::adc: case OpCode::bcs:
case OpCode::sbc:
case OpCode::rts:
case OpCode::clc: case OpCode::clc:
case OpCode::sec: case OpCode::dec:
case OpCode::eor:
case OpCode::inc:
case OpCode::jmp:
case OpCode::jsr:
case OpCode::lda:
case OpCode::ldy:
case OpCode::lsr:
case OpCode::ORA:
case OpCode::pha:
case OpCode::php:
case OpCode::pla:
case OpCode::plp:
case OpCode::rol: case OpCode::rol:
case OpCode::asl: case OpCode::ror:
case OpCode::rts:
case OpCode::sbc:
case OpCode::sec:
case OpCode::sta:
case OpCode::sty:
case OpCode::tax:
case OpCode::tay:
case OpCode::txa:
case OpCode::tya:
case OpCode::unknown: case OpCode::unknown:
break; break;
} }
@@ -236,7 +251,7 @@ struct mos6502 : ASMLine
explicit mos6502(const OpCode o) explicit mos6502(const OpCode o)
: ASMLine(Type::Instruction, to_string(o)), opcode(o), is_branch(get_is_branch(o)), is_comparison(get_is_comparison(o)) : ASMLine(Type::Instruction, std::string{ to_string(o) }), opcode(o), is_branch(get_is_branch(o)), is_comparison(get_is_comparison(o))
{ {
} }
@@ -246,11 +261,11 @@ struct mos6502 : ASMLine
} }
mos6502(const OpCode o, Operand t_o) mos6502(const OpCode o, Operand t_o)
: ASMLine(Type::Instruction, to_string(o)), opcode(o), op(std::move(t_o)), is_branch(get_is_branch(o)), is_comparison(get_is_comparison(o)) : ASMLine(Type::Instruction, std::string{ to_string(o) }), opcode(o), op(std::move(t_o)), is_branch(get_is_branch(o)), is_comparison(get_is_comparison(o))
{ {
} }
static std::string to_string(const OpCode o) constexpr static std::string_view to_string(const OpCode o)
{ {
switch (o) { switch (o) {
case OpCode::lda: case OpCode::lda:
@@ -329,12 +344,12 @@ struct mos6502 : ASMLine
return "bcs"; return "bcs";
case OpCode::unknown: case OpCode::unknown:
return ""; return "";
}; }
return ""; return "";
} }
std::string to_string() const [[nodiscard]] std::string to_string() const
{ {
switch (type) { switch (type) {
case ASMLine::Type::Label: case ASMLine::Type::Label:
@@ -361,86 +376,95 @@ struct AVR : ASMLine
{ {
enum class OpCode { enum class OpCode {
unknown, unknown,
ldi,
sts, adc,
ret, add,
mov,
lsl,
rol,
rcall,
ld,
subi,
sbci,
st,
lds,
lsr,
andi, andi,
breq,
brlo,
brne,
brsh,
clr,
com,
cpc,
cpi,
cpse,
dec,
eor, eor,
ld,
ldi,
lds,
lsl,
lsr,
mov,
pop,
push,
rcall,
ret,
rjmp,
rol,
sbci,
sbiw,
sbrc, sbrc,
sbrs, sbrs,
brne, st,
rjmp, sts,
dec, subi,
sbiw,
push,
pop,
com,
swap, swap,
clr,
cpse,
cpi,
brlo,
add,
adc,
cpc,
brsh,
breq
}; };
static OpCode parse_opcode(Type t, const std::string &o) [[nodiscard]] static constexpr OpCode parse_opcode(Type t, std::string_view o)
{ {
switch (t) { switch (t) {
case Type::Label: case Type::Label:
case Type::Directive: case Type::Directive:
return OpCode::unknown; return OpCode::unknown;
case Type::Instruction: { case Type::Instruction: {
if (o == "ldi") return OpCode::ldi; if (o == "ldi") { return OpCode::ldi; }
if (o == "sts") return OpCode::sts; if (o == "sts") { return OpCode::sts; }
if (o == "ret") return OpCode::ret; if (o == "ret") { return OpCode::ret; }
if (o == "mov") return OpCode::mov; if (o == "mov") { return OpCode::mov; }
if (o == "lsl") return OpCode::lsl; if (o == "lsl") { return OpCode::lsl; }
if (o == "rol") return OpCode::rol; if (o == "rol") { return OpCode::rol;}
if (o == "rcall") return OpCode::rcall; if (o == "rcall") { return OpCode::rcall;}
if (o == "ld") return OpCode::ld; if (o == "ld") { return OpCode::ld;}
if (o == "subi") return OpCode::subi; if (o == "subi") { return OpCode::subi;}
if (o == "sbci") return OpCode::sbci; if (o == "sbci") { return OpCode::sbci;}
if (o == "st") return OpCode::st; if (o == "st") { return OpCode::st;}
if (o == "lds") return OpCode::lds; if (o == "lds") { return OpCode::lds;}
if (o == "lsr") return OpCode::lsr; if (o == "lsr") { return OpCode::lsr;}
if (o == "andi") return OpCode::andi; if (o == "andi") { return OpCode::andi;}
if (o == "eor") return OpCode::eor; if (o == "eor") { return OpCode::eor;}
if (o == "sbrc") return OpCode::sbrc; if (o == "sbrc") { return OpCode::sbrc;}
if (o == "rjmp") return OpCode::rjmp; if (o == "rjmp") { return OpCode::rjmp;}
if (o == "sbrs") return OpCode::sbrs; if (o == "sbrs") { return OpCode::sbrs;}
if (o == "brne") return OpCode::brne; if (o == "brne") { return OpCode::brne;}
if (o == "dec") return OpCode::dec; if (o == "dec") { return OpCode::dec;}
if (o == "sbiw") return OpCode::sbiw; if (o == "sbiw") { return OpCode::sbiw;}
if (o == "push") return OpCode::push; if (o == "push") { return OpCode::push;}
if (o == "pop") return OpCode::pop; if (o == "pop") { return OpCode::pop;}
if (o == "com") return OpCode::com; if (o == "com") { return OpCode::com;}
if (o == "swap") return OpCode::swap; if (o == "swap") { return OpCode::swap;}
if (o == "clr") return OpCode::clr; if (o == "clr") { return OpCode::clr;}
if (o == "cpse") return OpCode::cpse; if (o == "cpse") { return OpCode::cpse;}
if (o == "cpi") return OpCode::cpi; if (o == "cpi") { return OpCode::cpi;}
if (o == "brlo") return OpCode::brlo; if (o == "brlo") { return OpCode::brlo;}
if (o == "add") return OpCode::add; if (o == "add") { return OpCode::add;}
if (o == "adc") return OpCode::adc; if (o == "adc") { return OpCode::adc;}
if (o == "cpc") return OpCode::cpc; if (o == "cpc") { return OpCode::cpc;}
if (o == "brsh") return OpCode::brsh; if (o == "brsh") { return OpCode::brsh;}
if (o == "breq") return OpCode::breq; if (o == "breq") { return OpCode::breq;}
} }
} }
throw std::runtime_error("Unknown opcode: " + o); throw std::runtime_error(fmt::format("Unknown opcode: {}"));
} }
static int get_register_number(const char reg_name) static int get_register_number(const char reg_name)
@@ -536,7 +560,7 @@ struct AVR : ASMLine
} }
static Operand parse_operand(std::string o) static Operand parse_operand(std::string_view o)
{ {
if (o.empty()) { if (o.empty()) {
return Operand(); return Operand();
@@ -545,12 +569,12 @@ struct AVR : ASMLine
if (o[0] == 'r' && o.size() > 1) { if (o[0] == 'r' && o.size() > 1) {
return Operand(Operand::Type::reg, atoi(&o[1])); return Operand(Operand::Type::reg, atoi(&o[1]));
} else { } else {
return Operand(Operand::Type::literal, std::move(o)); return Operand(Operand::Type::literal, std::string{ o });
} }
} }
AVR(const int t_line_num, std::string t_line_text, Type t, std::string t_opcode, std::string o1 = "", std::string o2 = "") AVR(const int t_line_num, std::string_view t_line_text, Type t, std::string_view t_opcode, std::string_view o1 = "", std::string_view o2 = "")
: ASMLine(t, t_opcode), line_num(t_line_num), line_text(std::move(t_line_text)), : ASMLine(t, std::string(t_opcode)), line_num(t_line_num), line_text(std::string(t_line_text)),
opcode(parse_opcode(t, t_opcode)), operand1(parse_operand(o1)), operand2(parse_operand(o2)) opcode(parse_opcode(t, t_opcode)), operand1(parse_operand(o1)), operand2(parse_operand(o2))
{ {
} }
@@ -920,7 +944,7 @@ void log(LogLevel ll, const AVR &i, const std::string &message)
std::cerr << to_string(ll) << ": " << i.line_num << ": " << message << ": `" << i.line_text << "`\n"; std::cerr << to_string(ll) << ": " << i.line_num << ": " << message << ": `" << i.line_text << "`\n";
} }
void log(LogLevel ll, const int line_no, const std::string &line, const std::string &message) void log(LogLevel ll, const std::size_t line_no, const std::string &line, const std::string &message)
{ {
std::cerr << to_string(ll) << ": " << line_no << ": " << message << ": `" << line << "`\n"; std::cerr << to_string(ll) << ": " << line_no << ": " << message << ": `" << line << "`\n";
} }
@@ -1209,7 +1233,7 @@ void run(std::istream &input)
std::regex BinaryInstruction(R"(^\s+(\S+)\s+(\S+),\s*(\S+))"); std::regex BinaryInstruction(R"(^\s+(\S+)\s+(\S+),\s*(\S+))");
std::regex Instruction(R"(^\s+(\S+))"); std::regex Instruction(R"(^\s+(\S+))");
int lineno = 0; std::size_t lineno = 0;
std::vector<AVR> instructions; std::vector<AVR> instructions;
@@ -1220,18 +1244,19 @@ void run(std::istream &input)
try { try {
std::smatch match; std::smatch match;
if (std::regex_match(line, match, Label)) { if (std::regex_match(line, match, Label)) {
instructions.emplace_back(lineno, line, ASMLine::Type::Label, match[1]); instructions.emplace_back(lineno, line, ASMLine::Type::Label, match[1].str());
} else if (std::regex_match(line, match, Comment)) { } else if (std::regex_match(line, match, Comment)) {
// don't care about comments // don't care about comments
} else if (std::regex_match(line, match, Directive)) { } else if (std::regex_match(line, match, Directive)) {
instructions.emplace_back(lineno, line, ASMLine::Type::Directive, match[1]); instructions.emplace_back(lineno, line, ASMLine::Type::Directive, match[1].str());
} else if (std::regex_match(line, match, BinaryInstruction)) { } else if (std::regex_match(line, match, BinaryInstruction)) {
instructions.emplace_back(lineno, line, ASMLine::Type::Instruction, match[1], match[2], match[3]); instructions.emplace_back(lineno, line, ASMLine::Type::Instruction, match[1].str(), match[2].str(), match[3].str());
} else if (std::regex_match(line, match, UnaryInstruction)) { } else if (std::regex_match(line, match, UnaryInstruction)) {
instructions.emplace_back(lineno, line, ASMLine::Type::Instruction, match[1], match[2]); instructions.emplace_back(lineno, line, ASMLine::Type::Instruction, match[1].str(), match[2].str());
} else if (std::regex_match(line, match, Instruction)) { } else if (std::regex_match(line, match, Instruction)) {
instructions.emplace_back(lineno, line, ASMLine::Type::Instruction, match[1]); instructions.emplace_back(lineno, line, ASMLine::Type::Instruction, match[1].str());
} else if (line == "") { } else if (line.empty()) {
// skip empty lines
} }
} catch (const std::exception &e) { } catch (const std::exception &e) {
log(LogLevel::Error, lineno, line, e.what()); log(LogLevel::Error, lineno, line, e.what());