Commit eefa7b6f6111c27ae104e69c08ecdba654c9a55f
1 parent
1ff8269e79
Exists in
master
well
Showing 2 changed files with 44 additions and 2 deletions Side-by-side Diff
ast_stmt.cc
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eefa7b6
| ... | ... | @@ -215,7 +215,38 @@ |
| 215 | 215 | return NULL; |
| 216 | 216 | } |
| 217 | 217 | //while statement |
| 218 | +llvm::Value * WhileStmt::Emit(){ | |
| 219 | + pushScope(); | |
| 220 | + llvm::LLVMContext * context = irgen.GetContext(); | |
| 221 | + llvm::Function * f = irgen.GetFunction(); | |
| 222 | + llvm::Value * cond; | |
| 218 | 223 | |
| 224 | + llvm::BasicBlock * headBlock = llvm::BasicBlock::Create(*context, "headBlock", f); | |
| 225 | + llvm::BasicBlock * footBlock = llvm::BasicBlock::Create(*context, "footBlock", f); | |
| 226 | + llvm::BasicBlock * bodyBlock = llvm::BasicBlock::Create(*context, "bodyBlock", f); | |
| 227 | + llvm::BranchInst::Create(headBlock, irgen.GetBasicBlock()); | |
| 228 | + | |
| 229 | + irgen.SetBasicBlock(headBlock); | |
| 230 | + cond = test->Emit(); | |
| 231 | + if(!irgen.GetBasicBlock()->getTerminator()) | |
| 232 | + { | |
| 233 | + llvm::BranchInst::Create(bodyBlock, footBlock, cond, irgen.GetBasicBlock()); // given in the slides | |
| 234 | + } | |
| 235 | + | |
| 236 | + irgen.SetBasicBlock(bodyBlock); | |
| 237 | + body->Emit(); | |
| 238 | + if(!irgen.GetBasicBlock()->getTerminator()) | |
| 239 | + { | |
| 240 | + llvm::BranchInst::Create(headBlock, irgen.GetBasicBlock()); // given in the slides | |
| 241 | + } | |
| 242 | + | |
| 243 | + | |
| 244 | + irgen.SetBasicBlock(footBlock); | |
| 245 | + popScope(); | |
| 246 | + return NULL; | |
| 247 | +} | |
| 248 | + | |
| 249 | + | |
| 219 | 250 | //if statement |
| 220 | 251 | llvm::Value * IfStmt::Emit(){ |
| 221 | 252 | llvm::LLVMContext * context = irgen.GetContext(); |
| 222 | 253 | |
| ... | ... | @@ -258,11 +289,19 @@ |
| 258 | 289 | } |
| 259 | 290 | |
| 260 | 291 | llvm::Value * BreakStmt::Emit(){ |
| 261 | - return NULL; | |
| 292 | + llvm::Value * val; | |
| 293 | + llvm::LLVMContext * context = irgen.GetContext(); | |
| 294 | + llvm::Function * func = irgen.GetFunction(); | |
| 295 | + llvm::BasicBlock * breakBlock = llvm::BasicBlock::Create(*context, "breakBlock", func); | |
| 296 | + val=llvm::Create (breakBlock, irgen.GetBasicBlock()); | |
| 262 | 297 | } |
| 263 | 298 | |
| 264 | 299 | llvm::Value * ContinueStmt::Emit(){ |
| 265 | - return NULL; | |
| 300 | + llvm::Value * val; | |
| 301 | + llvm::LLVMContext * context = irgen.GetContext(); | |
| 302 | + llvm::Function * func = irgen.GetFunction(); | |
| 303 | + llvm::BasicBlock * contBlock = llvm::BasicBlock::Create(*context, "contBlock", func); | |
| 304 | + val=llvm::Create (breakBlock, irgen.GetBasicBlock()); | |
| 266 | 305 | } |
| 267 | 306 | |
| 268 | 307 | //Not sure |
| 269 | 308 | |
| ... | ... | @@ -286,9 +325,11 @@ |
| 286 | 325 | for (int i = 0; i < cases->NumElements(); i++){ |
| 287 | 326 | //cases->Nth(i)->Emit(); |
| 288 | 327 | |
| 328 | + //llvm::BasicBlock * headBlock = llvm::BasicBlock::Create(*context, "headBlock", func); | |
| 289 | 329 | } |
| 290 | 330 | //Emit of expression |
| 291 | 331 | llvm::Value * exprVal=expr->Emit(); |
| 332 | + | |
| 292 | 333 | //create switch instruction |
| 293 | 334 | //val=llvm::SwitchInst::Create(Value *Value, BasicBlock *Default, unsigned NumCases, BasicBlock *InsertAtEnd); |
| 294 | 335 | //for each case 'addCase to switch stmt', EMIT for stmt in case, create terminator instruction |