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LLParser.h (200581) LLParser.h (201360)
1//===-- LLParser.h - Parser Class -------------------------------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines the parser class for .ll files.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_ASMPARSER_LLPARSER_H
15#define LLVM_ASMPARSER_LLPARSER_H
16
17#include "LLLexer.h"
18#include "llvm/Module.h"
19#include "llvm/Type.h"
1//===-- LLParser.h - Parser Class -------------------------------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines the parser class for .ll files.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_ASMPARSER_LLPARSER_H
15#define LLVM_ASMPARSER_LLPARSER_H
16
17#include "LLLexer.h"
18#include "llvm/Module.h"
19#include "llvm/Type.h"
20#include "llvm/Support/ValueHandle.h"
20#include <map>
21
22namespace llvm {
23 class Module;
24 class OpaqueType;
25 class Function;
26 class Value;
27 class BasicBlock;

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40 enum {
41 t_LocalID, t_GlobalID, // ID in UIntVal.
42 t_LocalName, t_GlobalName, // Name in StrVal.
43 t_APSInt, t_APFloat, // Value in APSIntVal/APFloatVal.
44 t_Null, t_Undef, t_Zero, // No value.
45 t_EmptyArray, // No value: []
46 t_Constant, // Value in ConstantVal.
47 t_InlineAsm, // Value in StrVal/StrVal2/UIntVal.
21#include <map>
22
23namespace llvm {
24 class Module;
25 class OpaqueType;
26 class Function;
27 class Value;
28 class BasicBlock;

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41 enum {
42 t_LocalID, t_GlobalID, // ID in UIntVal.
43 t_LocalName, t_GlobalName, // Name in StrVal.
44 t_APSInt, t_APFloat, // Value in APSIntVal/APFloatVal.
45 t_Null, t_Undef, t_Zero, // No value.
46 t_EmptyArray, // No value: []
47 t_Constant, // Value in ConstantVal.
48 t_InlineAsm, // Value in StrVal/StrVal2/UIntVal.
48 t_Metadata // Value in MetadataVal.
49 t_MDNode, // Value in MDNodeVal.
50 t_MDString // Value in MDStringVal.
49 } Kind;
50
51 LLLexer::LocTy Loc;
52 unsigned UIntVal;
53 std::string StrVal, StrVal2;
54 APSInt APSIntVal;
55 APFloat APFloatVal;
56 Constant *ConstantVal;
51 } Kind;
52
53 LLLexer::LocTy Loc;
54 unsigned UIntVal;
55 std::string StrVal, StrVal2;
56 APSInt APSIntVal;
57 APFloat APFloatVal;
58 Constant *ConstantVal;
57 MetadataBase *MetadataVal;
59 MDNode *MDNodeVal;
60 MDString *MDStringVal;
58 ValID() : APFloatVal(0.0) {}
59
60 bool operator<(const ValID &RHS) const {
61 if (Kind == t_LocalID || Kind == t_GlobalID)
62 return UIntVal < RHS.UIntVal;
63 assert((Kind == t_LocalName || Kind == t_GlobalName) &&
64 "Ordering not defined for this ValID kind yet");
65 return StrVal < RHS.StrVal;

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73 LLVMContext& Context;
74 LLLexer Lex;
75 Module *M;
76
77 // Type resolution handling data structures.
78 std::map<std::string, std::pair<PATypeHolder, LocTy> > ForwardRefTypes;
79 std::map<unsigned, std::pair<PATypeHolder, LocTy> > ForwardRefTypeIDs;
80 std::vector<PATypeHolder> NumberedTypes;
61 ValID() : APFloatVal(0.0) {}
62
63 bool operator<(const ValID &RHS) const {
64 if (Kind == t_LocalID || Kind == t_GlobalID)
65 return UIntVal < RHS.UIntVal;
66 assert((Kind == t_LocalName || Kind == t_GlobalName) &&
67 "Ordering not defined for this ValID kind yet");
68 return StrVal < RHS.StrVal;

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76 LLVMContext& Context;
77 LLLexer Lex;
78 Module *M;
79
80 // Type resolution handling data structures.
81 std::map<std::string, std::pair<PATypeHolder, LocTy> > ForwardRefTypes;
82 std::map<unsigned, std::pair<PATypeHolder, LocTy> > ForwardRefTypeIDs;
83 std::vector<PATypeHolder> NumberedTypes;
81 /// MetadataCache - This map keeps track of parsed metadata constants.
82 std::map<unsigned, WeakVH> MetadataCache;
83 std::map<unsigned, std::pair<WeakVH, LocTy> > ForwardRefMDNodes;
84 SmallVector<std::pair<unsigned, MDNode *>, 2> MDsOnInst;
84 std::vector<TrackingVH<MDNode> > NumberedMetadata;
85 std::map<unsigned, std::pair<TrackingVH<MDNode>, LocTy> > ForwardRefMDNodes;
85 struct UpRefRecord {
86 /// Loc - This is the location of the upref.
87 LocTy Loc;
88
89 /// NestingLevel - The number of nesting levels that need to be popped
90 /// before this type is resolved.
91 unsigned NestingLevel;
92

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164 bool ParseOptionalAttrs(unsigned &Attrs, unsigned AttrKind);
165 bool ParseOptionalLinkage(unsigned &Linkage, bool &HasLinkage);
166 bool ParseOptionalLinkage(unsigned &Linkage) {
167 bool HasLinkage; return ParseOptionalLinkage(Linkage, HasLinkage);
168 }
169 bool ParseOptionalVisibility(unsigned &Visibility);
170 bool ParseOptionalCallingConv(CallingConv::ID &CC);
171 bool ParseOptionalAlignment(unsigned &Alignment);
86 struct UpRefRecord {
87 /// Loc - This is the location of the upref.
88 LocTy Loc;
89
90 /// NestingLevel - The number of nesting levels that need to be popped
91 /// before this type is resolved.
92 unsigned NestingLevel;
93

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165 bool ParseOptionalAttrs(unsigned &Attrs, unsigned AttrKind);
166 bool ParseOptionalLinkage(unsigned &Linkage, bool &HasLinkage);
167 bool ParseOptionalLinkage(unsigned &Linkage) {
168 bool HasLinkage; return ParseOptionalLinkage(Linkage, HasLinkage);
169 }
170 bool ParseOptionalVisibility(unsigned &Visibility);
171 bool ParseOptionalCallingConv(CallingConv::ID &CC);
172 bool ParseOptionalAlignment(unsigned &Alignment);
172 bool ParseOptionalCustomMetadata();
173 bool ParseOptionalInfo(unsigned &Alignment);
174 bool ParseIndexList(SmallVectorImpl<unsigned> &Indices);
173 bool ParseInstructionMetadata(SmallVectorImpl<std::pair<unsigned,
174 MDNode *> > &);
175 bool ParseOptionalCommaAlign(unsigned &Alignment, bool &AteExtraComma);
176 bool ParseIndexList(SmallVectorImpl<unsigned> &Indices,bool &AteExtraComma);
177 bool ParseIndexList(SmallVectorImpl<unsigned> &Indices) {
178 bool AteExtraComma;
179 if (ParseIndexList(Indices, AteExtraComma)) return true;
180 if (AteExtraComma)
181 return TokError("expected index");
182 return false;
183 }
175
176 // Top-Level Entities
177 bool ParseTopLevelEntities();
178 bool ValidateEndOfModule();
179 bool ParseTargetDefinition();
180 bool ParseDepLibs();
181 bool ParseModuleAsm();
182 bool ParseUnnamedType();

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187 bool ParseGlobalType(bool &IsConstant);
188 bool ParseUnnamedGlobal();
189 bool ParseNamedGlobal();
190 bool ParseGlobal(const std::string &Name, LocTy Loc, unsigned Linkage,
191 bool HasLinkage, unsigned Visibility);
192 bool ParseAlias(const std::string &Name, LocTy Loc, unsigned Visibility);
193 bool ParseStandaloneMetadata();
194 bool ParseNamedMetadata();
184
185 // Top-Level Entities
186 bool ParseTopLevelEntities();
187 bool ValidateEndOfModule();
188 bool ParseTargetDefinition();
189 bool ParseDepLibs();
190 bool ParseModuleAsm();
191 bool ParseUnnamedType();

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196 bool ParseGlobalType(bool &IsConstant);
197 bool ParseUnnamedGlobal();
198 bool ParseNamedGlobal();
199 bool ParseGlobal(const std::string &Name, LocTy Loc, unsigned Linkage,
200 bool HasLinkage, unsigned Visibility);
201 bool ParseAlias(const std::string &Name, LocTy Loc, unsigned Visibility);
202 bool ParseStandaloneMetadata();
203 bool ParseNamedMetadata();
195 bool ParseMDString(MetadataBase *&S);
196 bool ParseMDNode(MetadataBase *&N);
204 bool ParseMDString(MDString *&Result);
205 bool ParseMDNodeID(MDNode *&Result);
197
198 // Type Parsing.
199 bool ParseType(PATypeHolder &Result, bool AllowVoid = false);
200 bool ParseType(PATypeHolder &Result, LocTy &Loc, bool AllowVoid = false) {
201 Loc = Lex.getLoc();
202 return ParseType(Result, AllowVoid);
203 }
204 bool ParseTypeRec(PATypeHolder &H);
205 bool ParseStructType(PATypeHolder &H, bool Packed);
206 bool ParseArrayVectorType(PATypeHolder &H, bool isVector);
207 bool ParseFunctionType(PATypeHolder &Result);
208 PATypeHolder HandleUpRefs(const Type *Ty);
209
210 // Constants.
211 bool ParseValID(ValID &ID);
212 bool ConvertGlobalValIDToValue(const Type *Ty, ValID &ID, Constant *&V);
206
207 // Type Parsing.
208 bool ParseType(PATypeHolder &Result, bool AllowVoid = false);
209 bool ParseType(PATypeHolder &Result, LocTy &Loc, bool AllowVoid = false) {
210 Loc = Lex.getLoc();
211 return ParseType(Result, AllowVoid);
212 }
213 bool ParseTypeRec(PATypeHolder &H);
214 bool ParseStructType(PATypeHolder &H, bool Packed);
215 bool ParseArrayVectorType(PATypeHolder &H, bool isVector);
216 bool ParseFunctionType(PATypeHolder &Result);
217 PATypeHolder HandleUpRefs(const Type *Ty);
218
219 // Constants.
220 bool ParseValID(ValID &ID);
221 bool ConvertGlobalValIDToValue(const Type *Ty, ValID &ID, Constant *&V);
222 bool ConvertGlobalOrMetadataValIDToValue(const Type *Ty, ValID &ID,
223 Value *&V);
213 bool ParseGlobalValue(const Type *Ty, Constant *&V);
214 bool ParseGlobalTypeAndValue(Constant *&V);
215 bool ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts);
216 bool ParseMDNodeVector(SmallVectorImpl<Value*> &);
217
218
219 // Function Semantic Analysis.
220 class PerFunctionState {

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275 }
276 bool ParseTypeAndBasicBlock(BasicBlock *&BB, LocTy &Loc,
277 PerFunctionState &PFS);
278 bool ParseTypeAndBasicBlock(BasicBlock *&BB, PerFunctionState &PFS) {
279 LocTy Loc;
280 return ParseTypeAndBasicBlock(BB, Loc, PFS);
281 }
282
224 bool ParseGlobalValue(const Type *Ty, Constant *&V);
225 bool ParseGlobalTypeAndValue(Constant *&V);
226 bool ParseGlobalValueVector(SmallVectorImpl<Constant*> &Elts);
227 bool ParseMDNodeVector(SmallVectorImpl<Value*> &);
228
229
230 // Function Semantic Analysis.
231 class PerFunctionState {

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286 }
287 bool ParseTypeAndBasicBlock(BasicBlock *&BB, LocTy &Loc,
288 PerFunctionState &PFS);
289 bool ParseTypeAndBasicBlock(BasicBlock *&BB, PerFunctionState &PFS) {
290 LocTy Loc;
291 return ParseTypeAndBasicBlock(BB, Loc, PFS);
292 }
293
283 bool ParseInlineMetadata(Value *&V, PerFunctionState &PFS);
284
285 struct ParamInfo {
286 LocTy Loc;
287 Value *V;
288 unsigned Attrs;
289 ParamInfo(LocTy loc, Value *v, unsigned attrs)
290 : Loc(loc), V(v), Attrs(attrs) {}
291 };
292 bool ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList,

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302 : Loc(L), Type(Ty), Attrs(Attr), Name(N) {}
303 };
304 bool ParseArgumentList(std::vector<ArgInfo> &ArgList,
305 bool &isVarArg, bool inType);
306 bool ParseFunctionHeader(Function *&Fn, bool isDefine);
307 bool ParseFunctionBody(Function &Fn);
308 bool ParseBasicBlock(PerFunctionState &PFS);
309
294 struct ParamInfo {
295 LocTy Loc;
296 Value *V;
297 unsigned Attrs;
298 ParamInfo(LocTy loc, Value *v, unsigned attrs)
299 : Loc(loc), V(v), Attrs(attrs) {}
300 };
301 bool ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList,

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311 : Loc(L), Type(Ty), Attrs(Attr), Name(N) {}
312 };
313 bool ParseArgumentList(std::vector<ArgInfo> &ArgList,
314 bool &isVarArg, bool inType);
315 bool ParseFunctionHeader(Function *&Fn, bool isDefine);
316 bool ParseFunctionBody(Function &Fn);
317 bool ParseBasicBlock(PerFunctionState &PFS);
318
310 // Instruction Parsing.
311 bool ParseInstruction(Instruction *&Inst, BasicBlock *BB,
312 PerFunctionState &PFS);
319 // Instruction Parsing. Each instruction parsing routine can return with a
320 // normal result, an error result, or return having eaten an extra comma.
321 enum InstResult { InstNormal = 0, InstError = 1, InstExtraComma = 2 };
322 int ParseInstruction(Instruction *&Inst, BasicBlock *BB,
323 PerFunctionState &PFS);
313 bool ParseCmpPredicate(unsigned &Pred, unsigned Opc);
314
324 bool ParseCmpPredicate(unsigned &Pred, unsigned Opc);
325
315 bool ParseRet(Instruction *&Inst, BasicBlock *BB, PerFunctionState &PFS);
326 int ParseRet(Instruction *&Inst, BasicBlock *BB, PerFunctionState &PFS);
316 bool ParseBr(Instruction *&Inst, PerFunctionState &PFS);
317 bool ParseSwitch(Instruction *&Inst, PerFunctionState &PFS);
318 bool ParseIndirectBr(Instruction *&Inst, PerFunctionState &PFS);
319 bool ParseInvoke(Instruction *&Inst, PerFunctionState &PFS);
320
321 bool ParseArithmetic(Instruction *&I, PerFunctionState &PFS, unsigned Opc,
322 unsigned OperandType);
323 bool ParseLogical(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
324 bool ParseCompare(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
325 bool ParseCast(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
326 bool ParseSelect(Instruction *&I, PerFunctionState &PFS);
327 bool ParseVA_Arg(Instruction *&I, PerFunctionState &PFS);
328 bool ParseExtractElement(Instruction *&I, PerFunctionState &PFS);
329 bool ParseInsertElement(Instruction *&I, PerFunctionState &PFS);
330 bool ParseShuffleVector(Instruction *&I, PerFunctionState &PFS);
327 bool ParseBr(Instruction *&Inst, PerFunctionState &PFS);
328 bool ParseSwitch(Instruction *&Inst, PerFunctionState &PFS);
329 bool ParseIndirectBr(Instruction *&Inst, PerFunctionState &PFS);
330 bool ParseInvoke(Instruction *&Inst, PerFunctionState &PFS);
331
332 bool ParseArithmetic(Instruction *&I, PerFunctionState &PFS, unsigned Opc,
333 unsigned OperandType);
334 bool ParseLogical(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
335 bool ParseCompare(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
336 bool ParseCast(Instruction *&I, PerFunctionState &PFS, unsigned Opc);
337 bool ParseSelect(Instruction *&I, PerFunctionState &PFS);
338 bool ParseVA_Arg(Instruction *&I, PerFunctionState &PFS);
339 bool ParseExtractElement(Instruction *&I, PerFunctionState &PFS);
340 bool ParseInsertElement(Instruction *&I, PerFunctionState &PFS);
341 bool ParseShuffleVector(Instruction *&I, PerFunctionState &PFS);
331 bool ParsePHI(Instruction *&I, PerFunctionState &PFS);
342 int ParsePHI(Instruction *&I, PerFunctionState &PFS);
332 bool ParseCall(Instruction *&I, PerFunctionState &PFS, bool isTail);
343 bool ParseCall(Instruction *&I, PerFunctionState &PFS, bool isTail);
333 bool ParseAlloc(Instruction *&I, PerFunctionState &PFS,
344 int ParseAlloc(Instruction *&I, PerFunctionState &PFS,
334 BasicBlock *BB = 0, bool isAlloca = true);
335 bool ParseFree(Instruction *&I, PerFunctionState &PFS, BasicBlock *BB);
345 BasicBlock *BB = 0, bool isAlloca = true);
346 bool ParseFree(Instruction *&I, PerFunctionState &PFS, BasicBlock *BB);
336 bool ParseLoad(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
337 bool ParseStore(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
347 int ParseLoad(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
348 int ParseStore(Instruction *&I, PerFunctionState &PFS, bool isVolatile);
338 bool ParseGetResult(Instruction *&I, PerFunctionState &PFS);
349 bool ParseGetResult(Instruction *&I, PerFunctionState &PFS);
339 bool ParseGetElementPtr(Instruction *&I, PerFunctionState &PFS);
340 bool ParseExtractValue(Instruction *&I, PerFunctionState &PFS);
341 bool ParseInsertValue(Instruction *&I, PerFunctionState &PFS);
350 int ParseGetElementPtr(Instruction *&I, PerFunctionState &PFS);
351 int ParseExtractValue(Instruction *&I, PerFunctionState &PFS);
352 int ParseInsertValue(Instruction *&I, PerFunctionState &PFS);
342
343 bool ResolveForwardRefBlockAddresses(Function *TheFn,
344 std::vector<std::pair<ValID, GlobalValue*> > &Refs,
345 PerFunctionState *PFS);
346 };
347} // End llvm namespace
348
349#endif
353
354 bool ResolveForwardRefBlockAddresses(Function *TheFn,
355 std::vector<std::pair<ValID, GlobalValue*> > &Refs,
356 PerFunctionState *PFS);
357 };
358} // End llvm namespace
359
360#endif