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Revert "The case statement requires constant-expression (C, C++, C# and Java." 

This reverts commit 5879fe419d.
This commit is contained in:
seb777 2011-09-11 00:44:40 +02:00
parent 5879fe419d
commit 8ed0e3a239
2 changed files with 8 additions and 3 deletions
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6
lib/tokenize.cpp
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@ -7832,14 +7832,14 @@ bool Tokenizer::simplifyCalculations()
ret = true;
}
else if (Token::Match(tok->previous(), "[=([,] 0 [+|]") ||
Token::Match(tok->previous(), "return 0 [+|]"))
Token::Match(tok->previous(), "return|case 0 [+|]"))
{
tok->deleteThis();
tok->deleteThis();
ret = true;
}
else if (Token::Match(tok->previous(), "[=[(,] 0 * %any% ,|]|)|;|=|%op%") ||
Token::Match(tok->previous(), "return 0 * %any% ,|;|=|%op%"))
Token::Match(tok->previous(), "return|case 0 * %any% ,|:|;|=|%op%"))
{
tok->deleteNext();
if (tok->next()->str() == "(")
@ -7942,7 +7942,7 @@ bool Tokenizer::simplifyCalculations()
Token::Match(tok, "<< %num% [+-*/] %num% <<") ||
Token::Match(tok, "[(,[] %num% [|&^] %num% [];,);]") ||
Token::Match(tok, "(|%op% %num% [+-*/] %num% )|%op%") ||
Token::Match(tok,"return %num% [+-*/] %num% ;|,|=|%op%"))
Token::Match(tok,"return|case %num% [+-*/] %num% ;|,|=|:|%op%"))
{
tok = tok->next();

5
test/testtokenize.cpp
View File

@ -5687,6 +5687,11 @@ private:
tokenizeAndStringify("int f() { return a * 1; }", true));
ASSERT_EQUALS("int f ( int a ) { return 0 ; }",
tokenizeAndStringify("int f(int a) { return 0 * a; }", true));
ASSERT_EQUALS("bool f ( int i ) { switch ( i ) { case 15 : ; return true ; } }",
tokenizeAndStringify("bool f(int i) { switch (i) { case 10 + 5: return true; } }", true));
TODO_ASSERT_EQUALS("bool f ( int i ) { ; switch ( i ) { case 15 : ; return true ; } }",
"bool f ( int i ) { int a ; a = 10 ; int b ; b = 5 ; switch ( i ) { case a + b : return true ; } }",
tokenizeAndStringify("bool f(int i) { int a = 10; int b = 5; switch (i) { case a + b: return true; } }", true));
}
void simplifyCompoundAssignment()