CodeWarrior C 、C++、汇编语言 编程指南 参考手册

CodeWarrior

®

C, C++, and Assembly

Language Reference

Because of last-minute changes to CodeWarrior, some of the

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Overview of the C/C++/ASM Reference . . . . . . . . . . 13

Conventions Used in This Manual . . . . . . . . . . . . . 14

The C/C++ Project Settings Panels . . . . . . . . . . . . . 14

What’s New . . . . . . . . . . . . . . . . . . . . . . . 17

The long long type . . . . . . . . . . . . . . . . . . 17

Turning off register coloring in the 68K compiler . . . . . 17

More information on enumerated types. . . . . . . . . 17

New pragmas . . . . . . . . . . . . . . . . . . . . 17

New intrinsic functions . . . . . . . . . . . . . . . . 18

The sizeof() operator . . . . . . . . . . . . . . . . . . 22

Register variables . . . . . . . . . . . . . . . . . . . 23

Register coloring. . . . . . . . . . . . . . . . . . . 24

Volatile variables . . . . . . . . . . . . . . . . . . . . 25

Limits on variable sizes . . . . . . . . . . . . . . . . . 26

Declaration specifiers . . . . . . . . . . . . . . . . . . 27

Enumerated types . . . . . . . . . . . . . . . . . . . 28

Number Formats . . . . . . . . . . . . . . . . . . . . . 30

68K Macintosh integer formats . . . . . . . . . . . . . . 30

68K Macintosh floating-point formats . . . . . . . . . . . 32

PowerPC calling conventions . . . . . . . . . . . . . . 36

Magic Cap calling conventions . . . . . . . . . . . . . . 39

Win32/x86 calling conventions. . . . . . . . . . . . . . 39

ANSI extensions you can’t disable . . . . . . . . . . . . 42

Disabling trigraph characters . . . . . . . . . . . . . . 49

Additional keywords . . . . . . . . . . . . . . . . . . 50

Enumerated constants of any size . . . . . . . . . . . . 51

Chars always unsigned . . . . . . . . . . . . . . . . . 52

Inlining functions . . . . . . . . . . . . . . . . . . . 52

Treat warnings as errors . . . . . . . . . . . . . . . . . 60

Illegal pragmas . . . . . . . . . . . . . . . . . . . . 60

Empty declarations . . . . . . . . . . . . . . . . . . . 61

Unused variables. . . . . . . . . . . . . . . . . . . . 62

Unused arguments . . . . . . . . . . . . . . . . . . . 63

Extra commas . . . . . . . . . . . . . . . . . . . . . 64

Extended type checking . . . . . . . . . . . . . . . . . 65

Calling MPW Functions . . . . . . . . . . . . . . . . . . 72

Adding an MPW library to a CodeWarrior project . . . . . 73

Declaring MPW C functions (Macintosh Only) . . . . . . . 75

Using MPW C newlines . . . . . . . . . . . . . . . . . 76

Calling Macintosh Toolbox Functions (Macintosh Only) . . . . 77

Passing string arguments . . . . . . . . . . . . . . . . 78

Using the pascal keyword in PowerPC code . . . . . . . . 79

Intrinsic PowerPC Functions (Macintosh Only) . . . . . . . . 80

Low-level processor synchronization . . . . . . . . . . . 80

Floating-point functions. . . . . . . . . . . . . . . . . 81

Unsupported Extensions. . . . . . . . . . . . . . . . . . 86

Metrowerks Implementation of C++ . . . . . . . . . . . . 86

Which keywords to put first . . . . . . . . . . . . . . . 87

Additional keywords . . . . . . . . . . . . . . . . . . 87

Conversions in the conditional operator . . . . . . . . . . 87

Default arguments in member functions. . . . . . . . . . 88

Local class declarations with inline functions. . . . . . . . 89

Copying and constructing class objects . . . . . . . . . . 89