| //===- unittest/Tooling/SourceCodeTest.cpp --------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "TestVisitor.h" |
| #include "clang/Basic/Diagnostic.h" |
| #include "clang/Tooling/Refactoring/SourceCode.h" |
| |
| using namespace clang; |
| |
| using tooling::getText; |
| using tooling::getExtendedText; |
| |
| namespace { |
| |
| struct CallsVisitor : TestVisitor<CallsVisitor> { |
| bool VisitCallExpr(CallExpr *Expr) { |
| OnCall(Expr, Context); |
| return true; |
| } |
| |
| std::function<void(CallExpr *, ASTContext *Context)> OnCall; |
| }; |
| |
| TEST(SourceCodeTest, getText) { |
| CallsVisitor Visitor; |
| |
| Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) { |
| EXPECT_EQ("foo(x, y)", getText(*CE, *Context)); |
| }; |
| Visitor.runOver("void foo(int x, int y) { foo(x, y); }"); |
| |
| Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) { |
| EXPECT_EQ("APPLY(foo, x, y)", getText(*CE, *Context)); |
| }; |
| Visitor.runOver("#define APPLY(f, x, y) f(x, y)\n" |
| "void foo(int x, int y) { APPLY(foo, x, y); }"); |
| } |
| |
| TEST(SourceCodeTest, getTextWithMacro) { |
| CallsVisitor Visitor; |
| |
| Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) { |
| EXPECT_EQ("F OO", getText(*CE, *Context)); |
| Expr *P0 = CE->getArg(0); |
| Expr *P1 = CE->getArg(1); |
| EXPECT_EQ("", getText(*P0, *Context)); |
| EXPECT_EQ("", getText(*P1, *Context)); |
| }; |
| Visitor.runOver("#define F foo(\n" |
| "#define OO x, y)\n" |
| "void foo(int x, int y) { F OO ; }"); |
| |
| Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) { |
| EXPECT_EQ("", getText(*CE, *Context)); |
| Expr *P0 = CE->getArg(0); |
| Expr *P1 = CE->getArg(1); |
| EXPECT_EQ("x", getText(*P0, *Context)); |
| EXPECT_EQ("y", getText(*P1, *Context)); |
| }; |
| Visitor.runOver("#define FOO(x, y) (void)x; (void)y; foo(x, y);\n" |
| "void foo(int x, int y) { FOO(x,y) }"); |
| } |
| |
| TEST(SourceCodeTest, getExtendedText) { |
| CallsVisitor Visitor; |
| |
| Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) { |
| EXPECT_EQ("foo(x, y);", |
| getExtendedText(*CE, tok::TokenKind::semi, *Context)); |
| |
| Expr *P0 = CE->getArg(0); |
| Expr *P1 = CE->getArg(1); |
| EXPECT_EQ("x", getExtendedText(*P0, tok::TokenKind::semi, *Context)); |
| EXPECT_EQ("x,", getExtendedText(*P0, tok::TokenKind::comma, *Context)); |
| EXPECT_EQ("y", getExtendedText(*P1, tok::TokenKind::semi, *Context)); |
| }; |
| Visitor.runOver("void foo(int x, int y) { foo(x, y); }"); |
| Visitor.runOver("void foo(int x, int y) { if (true) foo(x, y); }"); |
| Visitor.runOver("int foo(int x, int y) { if (true) return 3 + foo(x, y); }"); |
| Visitor.runOver("void foo(int x, int y) { for (foo(x, y);;) ++x; }"); |
| Visitor.runOver( |
| "bool foo(int x, int y) { for (;foo(x, y);) x = 1; return true; }"); |
| |
| Visitor.OnCall = [](CallExpr *CE, ASTContext *Context) { |
| EXPECT_EQ("foo()", getExtendedText(*CE, tok::TokenKind::semi, *Context)); |
| }; |
| Visitor.runOver("bool foo() { if (foo()) return true; return false; }"); |
| Visitor.runOver("void foo() { int x; for (;; foo()) ++x; }"); |
| Visitor.runOver("int foo() { return foo() + 3; }"); |
| } |
| |
| } // end anonymous namespace |