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xlang
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cleanup

development
Thomas Lindner 2023-01-05 19:37:22 +01:00
parent 2b79d9bdb2
commit 577581f2ce
2 changed files with 3 additions and 6 deletions
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8
bootstrap/emit.cc
View File

@ -3,8 +3,6 @@
namespace xlang { namespace xlang {
class EmitFunctionVisitor : public xlangBaseVisitor {};
EmitVisitor::EmitVisitor(std::string_view outputfile) : output{outputfile} {} EmitVisitor::EmitVisitor(std::string_view outputfile) : output{outputfile} {}
std::any EmitVisitor::visitFile(xlangParser::FileContext *ctx) { std::any EmitVisitor::visitFile(xlangParser::FileContext *ctx) {
@ -33,7 +31,7 @@ std::any EmitVisitor::visitFunction(xlangParser::FunctionContext *ctx) {
std::any EmitVisitor::visitStatement(xlangParser::StatementContext *ctx) { std::any EmitVisitor::visitStatement(xlangParser::StatementContext *ctx) {
if (auto identifier = ctx->Identifier()) { if (auto identifier = ctx->Identifier()) {
tmpcount = 0; tmpcount = 0;
visitChildren(ctx); visitExpr(ctx->expr());
output << " %_" << identifier->getSymbol()->getText() << " = w copy %t" output << " %_" << identifier->getSymbol()->getText() << " = w copy %t"
<< tmpcount - 1 << std::endl; << tmpcount - 1 << std::endl;
return {}; return {};
@ -70,14 +68,14 @@ std::any EmitVisitor::visitStatement(xlangParser::StatementContext *ctx) {
} }
if (ctx->Return()) { if (ctx->Return()) {
tmpcount = 0; tmpcount = 0;
visitChildren(ctx); visitExpr(ctx->expr());
output << " ret %t" << tmpcount - 1 << std::endl; output << " ret %t" << tmpcount - 1 << std::endl;
output << "@dead" << blockcount++ << std::endl; output << "@dead" << blockcount++ << std::endl;
return {}; return {};
} }
if (ctx->Print()) { if (ctx->Print()) {
tmpcount = 0; tmpcount = 0;
visitChildren(ctx); visitExpr(ctx->expr());
output << " call $printf(l $printformat, ..., w %t" << tmpcount - 1 << ")" output << " call $printf(l $printformat, ..., w %t" << tmpcount - 1 << ")"
<< std::endl; << std::endl;
return {}; return {};

1
bootstrap/xlang.g4
View File

@ -9,7 +9,6 @@ statement : Identifier Assign expr Semicolon
| While expr block | While expr block
| Return expr Semicolon | Return expr Semicolon
| Print expr Semicolon | Print expr Semicolon
| expr Semicolon
; ;
expr : sum ((Less|LessEqual|Greater|GreaterEqual|Equal|NotEqual) sum) expr : sum ((Less|LessEqual|Greater|GreaterEqual|Equal|NotEqual) sum)
| sum | sum