29 lines
572 B
C++
29 lines
572 B
C++
#include "CodeGenVisitor.h"
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antlrcpp::Any CodeGenVisitor::visitProg(ifccParser::ProgContext *ctx)
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{
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#ifdef __APPLE__
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std::cout<< ".globl _main\n" ;
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std::cout<< " _main: \n" ;
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#else
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std::cout<< ".globl main\n" ;
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std::cout<< " main: \n" ;
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#endif
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this->visit( ctx->return_stmt() );
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std::cout << " ret\n";
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return 0;
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}
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antlrcpp::Any CodeGenVisitor::visitReturn_stmt(ifccParser::Return_stmtContext *ctx)
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{
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int retval = stoi(ctx->CONST()->getText());
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std::cout << " movl $"<<retval<<", %eax\n" ;
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return 0;
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}
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