Split work

This commit is contained in:
2020-09-30 20:26:38 +05:30
parent 86359ebc54
commit 63e8acf141
4 changed files with 72 additions and 62 deletions

View File

@@ -9,6 +9,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED True)
set(SOURCES set(SOURCES
src/main.cpp src/main.cpp
src/toBFListener.cpp
lib/generated/bfLexer.cpp lib/generated/bfLexer.cpp
lib/generated/bfParser.cpp lib/generated/bfParser.cpp
lib/generated/bfBaseVisitor.cpp lib/generated/bfBaseVisitor.cpp
@@ -21,9 +22,9 @@ add_executable(main.out ${SOURCES})
target_link_libraries(main.out ${PROJECT_SOURCE_DIR}/lib/antlr4/lib/libantlr4-runtime.a) target_link_libraries(main.out ${PROJECT_SOURCE_DIR}/lib/antlr4/lib/libantlr4-runtime.a)
target_include_directories(main.out target_include_directories(main.out
PRIVATE PUBLIC
${PROJECT_SOURCE_DIR}/lib/generated
${PROJECT_SOURCE_DIR}/include ${PROJECT_SOURCE_DIR}/include
${PROJECT_SOURCE_DIR}/lib/antlr4/include ${PROJECT_SOURCE_DIR}/lib/antlr4/include
${PROJECT_SOURCE_DIR}/lib/generated
) )

View File

@@ -1,10 +1,12 @@
#pragma once #pragma once
#include<string> #include<string>
#include "bfLexer.h"
#include "bfParser.h"
#include "bfBaseListener.h" #include "bfBaseListener.h"
class expressionPrintingListener : public bfBaseListener { class toBFListener : public bfBaseListener {
protected: protected:
std::vector<std::string> printStack; std::vector<std::string> printStack;
public: public:

View File

@@ -2,70 +2,14 @@
#include <vector> #include <vector>
#include <string> #include <string>
#include <antlr4-common.h> #include <antlr4-common.h>
#include "main.hpp"
#include "bfLexer.h" #include "bfLexer.h"
#include "bfParser.h" #include "bfParser.h"
#include "bfBaseListener.h" #include "toBFListener.hpp"
// #include "bfBaseVisitor.h" // #include "bfBaseVisitor.h"
using namespace antlr4; using namespace antlr4;
void expressionPrintingListener::enterProgram(bfParser::ProgramContext *ctx)
{
printStack.push_back("");
}
void expressionPrintingListener::exitProgram(bfParser::ProgramContext *ctx)
{
std::cout << printStack.front() << std::endl;
}
void expressionPrintingListener::enterPtrIncr(bfParser::PtrIncrContext *ctx)
{
printStack.back() += "+";
}
void expressionPrintingListener::enterPtrDecr(bfParser::PtrDecrContext *ctx)
{
printStack.back() += ("-");
}
void expressionPrintingListener::enterPtrLeft(bfParser::PtrLeftContext *ctx)
{
printStack.back() += ("<");
}
void expressionPrintingListener::enterPtrRight(bfParser::PtrRightContext *ctx)
{
printStack.back() += (">");
}
void expressionPrintingListener::enterNumberedStmt(bfParser::NumberedStmtContext *ctx)
{
printStack.push_back("");
}
void expressionPrintingListener::exitNumberedStmt(bfParser::NumberedStmtContext *ctx)
{
std::string s = printStack.back();
printStack.pop_back();
int n = stoi(ctx->NUMBER()->getText());
for (int i = 0; i < n; i++)
{
printStack.back() += s;
}
}
void expressionPrintingListener::enterLoopStmt(bfParser::LoopStmtContext *ctx){
printStack.push_back("");
}
void expressionPrintingListener::exitLoopStmt(bfParser::LoopStmtContext *ctx){
std::string s = printStack.back();
printStack.pop_back();
printStack.back()+= "["+s+"]";
}
void expressionPrintingListener::enterGroupedStmt(bfParser::GroupedStmtContext *ctx){
printStack.push_back("");
}
void expressionPrintingListener::exitGroupedStmt(bfParser::GroupedStmtContext *ctx){
std::string s = printStack.back();
printStack.pop_back();
printStack.back()+=(s);
}
int main(int argc, const char *argv[]) int main(int argc, const char *argv[])
{ {
std::ifstream stream; std::ifstream stream;
@@ -82,7 +26,7 @@ int main(int argc, const char *argv[])
bfParser parser(&tokens); bfParser parser(&tokens);
tree::ParseTree *tree = parser.program(); tree::ParseTree *tree = parser.program();
expressionPrintingListener listener; toBFListener listener;
tree::ParseTreeWalker::DEFAULT.walk(&listener, tree); tree::ParseTreeWalker::DEFAULT.walk(&listener, tree);
return 0; return 0;

63
src/toBFListener.cpp Normal file
View File

@@ -0,0 +1,63 @@
#pragma once
#include "bfParser.h"
#include "bfBaseListener.h"
#include "toBFListener.hpp"
// #include "bfBaseVisitor.h"
using namespace antlr4;
void toBFListener::enterProgram(bfParser::ProgramContext *ctx)
{
printStack.push_back("");
}
void toBFListener::exitProgram(bfParser::ProgramContext *ctx)
{
std::cout << printStack.front() << std::endl;
}
void toBFListener::enterPtrIncr(bfParser::PtrIncrContext *ctx)
{
printStack.back() += "+";
}
void toBFListener::enterPtrDecr(bfParser::PtrDecrContext *ctx)
{
printStack.back() += ("-");
}
void toBFListener::enterPtrLeft(bfParser::PtrLeftContext *ctx)
{
printStack.back() += ("<");
}
void toBFListener::enterPtrRight(bfParser::PtrRightContext *ctx)
{
printStack.back() += (">");
}
void toBFListener::enterNumberedStmt(bfParser::NumberedStmtContext *ctx)
{
printStack.push_back("");
}
void toBFListener::exitNumberedStmt(bfParser::NumberedStmtContext *ctx)
{
std::string s = printStack.back();
printStack.pop_back();
int n = stoi(ctx->NUMBER()->getText());
for (int i = 0; i < n; i++)
{
printStack.back() += s;
}
}
void toBFListener::enterLoopStmt(bfParser::LoopStmtContext *ctx){
printStack.push_back("");
}
void toBFListener::exitLoopStmt(bfParser::LoopStmtContext *ctx){
std::string s = printStack.back();
printStack.pop_back();
printStack.back()+= "["+s+"]";
}
void toBFListener::enterGroupedStmt(bfParser::GroupedStmtContext *ctx){
printStack.push_back("");
}
void toBFListener::exitGroupedStmt(bfParser::GroupedStmtContext *ctx){
std::string s = printStack.back();
printStack.pop_back();
printStack.back()+=(s);
}