32 lines
778 B
C++
32 lines
778 B
C++
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#include "ast/ast.h"
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#include "ast/call_expression_ast.h"
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#include "ast/error.h"
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llvm::Value *obelisk::CallExpressionAST::codegen()
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{
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// Look up the name in the global module table.
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llvm::Function *calleeF = TheModule->getFunction(callee_);
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if (!calleeF)
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{
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return LogErrorV("Unknown function referenced");
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}
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// If argument mismatch error.
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if (calleeF->arg_size() != args_.size())
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{
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return LogErrorV("Incorrect # arguments passed");
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}
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std::vector<llvm::Value *> argsV;
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for (unsigned i = 0, e = args_.size(); i != e; ++i)
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{
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argsV.push_back(args_[i]->codegen());
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if (!argsV.back())
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{
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return nullptr;
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}
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}
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return Builder->CreateCall(calleeF, argsV, "calltmp");
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}
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