1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
//===--- ParseAST.cpp - Provide the clang::ParseAST method ----------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the clang::ParseAST method.
//
//===----------------------------------------------------------------------===//
#include "clang/Sema/ParseAST.h"
#include "Sema.h"
#include "clang/Sema/SemaConsumer.h"
#include "clang/Sema/ExternalSemaSource.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/ExternalASTSource.h"
#include "clang/AST/Stmt.h"
#include "clang/Parse/Parser.h"
#include "llvm/ADT/OwningPtr.h"
using namespace clang;
//===----------------------------------------------------------------------===//
// Public interface to the file
//===----------------------------------------------------------------------===//
/// ParseAST - Parse the entire file specified, notifying the ASTConsumer as
/// the file is parsed. This inserts the parsed decls into the translation unit
/// held by Ctx.
///
void clang::ParseAST(Preprocessor &PP, ASTConsumer *Consumer,
ASTContext &Ctx, bool PrintStats,
bool CompleteTranslationUnit) {
// Collect global stats on Decls/Stmts (until we have a module streamer).
if (PrintStats) {
Decl::CollectingStats(true);
Stmt::CollectingStats(true);
}
Sema S(PP, Ctx, *Consumer, CompleteTranslationUnit);
Parser P(PP, S);
PP.EnterMainSourceFile();
// Initialize the parser.
P.Initialize();
Consumer->Initialize(Ctx);
if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer))
SC->InitializeSema(S);
if (ExternalASTSource *External = Ctx.getExternalSource()) {
if (ExternalSemaSource *ExternalSema =
dyn_cast<ExternalSemaSource>(External))
ExternalSema->InitializeSema(S);
External->StartTranslationUnit(Consumer);
}
Parser::DeclGroupPtrTy ADecl;
while (!P.ParseTopLevelDecl(ADecl)) { // Not end of file.
// If we got a null return and something *was* parsed, ignore it. This
// is due to a top-level semicolon, an action override, or a parse error
// skipping something.
if (ADecl)
Consumer->HandleTopLevelDecl(ADecl.getAsVal<DeclGroupRef>());
};
Consumer->HandleTranslationUnit(Ctx);
if (PrintStats) {
fprintf(stderr, "\nSTATISTICS:\n");
P.getActions().PrintStats();
Ctx.PrintStats();
Decl::PrintStats();
Stmt::PrintStats();
Consumer->PrintStats();
Decl::CollectingStats(false);
Stmt::CollectingStats(false);
}
}
|
