Split work
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@@ -9,6 +9,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED True)
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set(SOURCES
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src/main.cpp
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src/toBFListener.cpp
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lib/generated/bfLexer.cpp
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lib/generated/bfParser.cpp
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lib/generated/bfBaseVisitor.cpp
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@@ -21,9 +22,9 @@ add_executable(main.out ${SOURCES})
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target_link_libraries(main.out ${PROJECT_SOURCE_DIR}/lib/antlr4/lib/libantlr4-runtime.a)
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target_include_directories(main.out
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PRIVATE
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PUBLIC
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${PROJECT_SOURCE_DIR}/lib/generated
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${PROJECT_SOURCE_DIR}/include
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${PROJECT_SOURCE_DIR}/lib/antlr4/include
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${PROJECT_SOURCE_DIR}/lib/generated
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)
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@@ -1,10 +1,12 @@
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#pragma once
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#include<string>
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#include "bfLexer.h"
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#include "bfParser.h"
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#include "bfBaseListener.h"
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class expressionPrintingListener : public bfBaseListener {
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class toBFListener : public bfBaseListener {
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protected:
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std::vector<std::string> printStack;
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public:
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62
src/main.cpp
62
src/main.cpp
@@ -2,70 +2,14 @@
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#include <vector>
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#include <string>
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#include <antlr4-common.h>
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#include "main.hpp"
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#include "bfLexer.h"
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#include "bfParser.h"
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#include "bfBaseListener.h"
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#include "toBFListener.hpp"
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// #include "bfBaseVisitor.h"
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using namespace antlr4;
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void expressionPrintingListener::enterProgram(bfParser::ProgramContext *ctx)
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{
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printStack.push_back("");
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}
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void expressionPrintingListener::exitProgram(bfParser::ProgramContext *ctx)
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{
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std::cout << printStack.front() << std::endl;
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}
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void expressionPrintingListener::enterPtrIncr(bfParser::PtrIncrContext *ctx)
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{
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printStack.back() += "+";
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}
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void expressionPrintingListener::enterPtrDecr(bfParser::PtrDecrContext *ctx)
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{
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printStack.back() += ("-");
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}
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void expressionPrintingListener::enterPtrLeft(bfParser::PtrLeftContext *ctx)
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{
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printStack.back() += ("<");
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}
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void expressionPrintingListener::enterPtrRight(bfParser::PtrRightContext *ctx)
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{
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printStack.back() += (">");
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}
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void expressionPrintingListener::enterNumberedStmt(bfParser::NumberedStmtContext *ctx)
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{
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printStack.push_back("");
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}
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void expressionPrintingListener::exitNumberedStmt(bfParser::NumberedStmtContext *ctx)
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{
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std::string s = printStack.back();
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printStack.pop_back();
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int n = stoi(ctx->NUMBER()->getText());
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for (int i = 0; i < n; i++)
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{
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printStack.back() += s;
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}
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}
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void expressionPrintingListener::enterLoopStmt(bfParser::LoopStmtContext *ctx){
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printStack.push_back("");
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}
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void expressionPrintingListener::exitLoopStmt(bfParser::LoopStmtContext *ctx){
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std::string s = printStack.back();
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printStack.pop_back();
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printStack.back()+= "["+s+"]";
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}
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void expressionPrintingListener::enterGroupedStmt(bfParser::GroupedStmtContext *ctx){
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printStack.push_back("");
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}
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void expressionPrintingListener::exitGroupedStmt(bfParser::GroupedStmtContext *ctx){
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std::string s = printStack.back();
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printStack.pop_back();
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printStack.back()+=(s);
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}
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int main(int argc, const char *argv[])
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{
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std::ifstream stream;
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@@ -82,7 +26,7 @@ int main(int argc, const char *argv[])
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bfParser parser(&tokens);
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tree::ParseTree *tree = parser.program();
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expressionPrintingListener listener;
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toBFListener listener;
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tree::ParseTreeWalker::DEFAULT.walk(&listener, tree);
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return 0;
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63
src/toBFListener.cpp
Normal file
63
src/toBFListener.cpp
Normal file
@@ -0,0 +1,63 @@
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#pragma once
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#include "bfParser.h"
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#include "bfBaseListener.h"
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#include "toBFListener.hpp"
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// #include "bfBaseVisitor.h"
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using namespace antlr4;
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void toBFListener::enterProgram(bfParser::ProgramContext *ctx)
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{
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printStack.push_back("");
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}
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void toBFListener::exitProgram(bfParser::ProgramContext *ctx)
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{
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std::cout << printStack.front() << std::endl;
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}
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void toBFListener::enterPtrIncr(bfParser::PtrIncrContext *ctx)
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{
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printStack.back() += "+";
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}
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void toBFListener::enterPtrDecr(bfParser::PtrDecrContext *ctx)
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{
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printStack.back() += ("-");
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}
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void toBFListener::enterPtrLeft(bfParser::PtrLeftContext *ctx)
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{
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printStack.back() += ("<");
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}
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void toBFListener::enterPtrRight(bfParser::PtrRightContext *ctx)
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{
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printStack.back() += (">");
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}
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void toBFListener::enterNumberedStmt(bfParser::NumberedStmtContext *ctx)
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{
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printStack.push_back("");
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}
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void toBFListener::exitNumberedStmt(bfParser::NumberedStmtContext *ctx)
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{
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std::string s = printStack.back();
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printStack.pop_back();
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int n = stoi(ctx->NUMBER()->getText());
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for (int i = 0; i < n; i++)
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{
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printStack.back() += s;
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}
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}
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void toBFListener::enterLoopStmt(bfParser::LoopStmtContext *ctx){
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printStack.push_back("");
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}
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void toBFListener::exitLoopStmt(bfParser::LoopStmtContext *ctx){
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std::string s = printStack.back();
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printStack.pop_back();
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printStack.back()+= "["+s+"]";
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}
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void toBFListener::enterGroupedStmt(bfParser::GroupedStmtContext *ctx){
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printStack.push_back("");
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}
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void toBFListener::exitGroupedStmt(bfParser::GroupedStmtContext *ctx){
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std::string s = printStack.back();
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printStack.pop_back();
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printStack.back()+=(s);
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}
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