source: libcfa/prototypes.awk@ b1a6d6b

# http://llvm.org/svn/llvm-project/cfe/trunk/include/clang/Basic/Builtins.def

BEGIN {
    FS = "("
    # order so string search is longest string
    types[0]  = "UINTMAX";                      vtypes[0]  = "unsigned long int"
    types[1]  = "UINT16";                       vtypes[1]  = "short int"
    types[2]  = "UINT32";                       vtypes[2]  = "int"
    types[3]  = "UINT64";                       vtypes[3]  = "long long int"
    types[4]  = "UINT";                         vtypes[4]  = "unsigned int"
    types[5]  = "INTMAX";                       vtypes[5]  = "long int"
    types[6]  = "INTPTR";                       vtypes[6]  = "int *"
    types[7]  = "WINT";                         vtypes[7]  = "unsigned int"
    types[8]  = "INT";                          vtypes[8]  = "int"
    types[9]  = "ULONGLONG";                    vtypes[9]  = "unsigned long long"
    types[10] = "ULONG";                        vtypes[10] = "unsigned long"
    types[11] = "UNSIGNED";                     vtypes[11] = "unsigned"
    types[12] = "COMPLEX_LONGDOUBLE";           vtypes[12] = "_Complex long double"
    types[13] = "COMPLEX_DOUBLE";               vtypes[13] = "_Complex double"
    types[14] = "COMPLEX_FLOAT";                vtypes[14] = "_Complex float"
    types[15] = "LONGDOUBLEPTR";                vtypes[15] = "long double *"
    types[16] = "LONGDOUBLE";                   vtypes[16] = "long double"
    types[17] = "LONGLONG";                     vtypes[17] = "long long"
    types[18] = "LONG";                         vtypes[18] = "long"
    types[19] = "DFLOAT32";                     vtypes[19] = "_Decimal32"
    types[20] = "DFLOAT64";                     vtypes[20] = "_Decimal64"
    types[21] = "DFLOAT128";                    vtypes[21] = "_Decimal128"
    types[22] = "DOUBLEPTR";                    vtypes[22] = "double *"
    types[23] = "DOUBLE";                       vtypes[23] = "double"
    types[24] = "FLOATPTR";                     vtypes[24] = "float *"
    types[25] = "FLOAT";                        vtypes[25] = "float"
    types[26] = "CONST_PTR";                    vtypes[26] = "const void *"
    types[27] = "CONST_STRING";                 vtypes[27] = "const char *"
    types[28] = "PTR_FN_VOID_VAR_PTR_SIZE";     vtypes[28] = ""
    types[29] = "PTR_CONST_STRING";             vtypes[29] = "char *const"
    types[30] = "PTRMODE_PTR";                  vtypes[30] = ""
    types[31] = "PTRPTR";                       vtypes[31] = "void **"
    types[32] = "PTR";                          vtypes[32] = "void *"
    types[33] = "VOID";                         vtypes[33] = "void"
    types[34] = "STRING";                       vtypes[34] = "char *"
    types[35] = "FILEPTR";                      vtypes[35] = "struct _IO_FILE *"
    types[36] = "SIZE";                         vtypes[36] = "unsigned long"
    types[37] = "VAR";                          vtypes[37] = "..."
    types[38] = "VALIST_ARG";                   vtypes[38] = "void **"
    types[39] = "VALIST_REF";                   vtypes[39] = "void **"
    types[40] = "UNWINDWORD";                   vtypes[40] = "void *"
    types[41] = "WORD";                         vtypes[41] = ""
    types[42] = "SSIZE";                        vtypes[42] = "long int"
    types[43] = "PID";                          vtypes[43] = "int"
    N = 44
} # BEGIN

/^BT_/ { prototypes[$1] = $1 }

END {
    printf( "#define DEF_BUILTIN(ENUM, NAME, CLASS, TYPE, LIBTYPE, BOTH_P, FALLBACK_P, NONANSI_P, ATTRS, IMPLICIT, COND) TYPE(NAME)\n" );
    printf( "#define FUNC_SIMPLE(RETURN, NAME, ARGS...) RETURN NAME(ARGS);\n" );
    printf( "#define BT_LAST(NAME) FUNC_SIMPLE(void, NAME)\n\n" );

    # generate C types for macros names
    for ( i = 0; i < N; i += 1 ) {
        printf( "#define BT_%s %s\n", types[i], vtypes[i] )
    } # for
    printf( "\n" )

    for ( prototype in prototypes ) {
        if ( index( "BT_LAST", prototype ) == 1 ) {
            continue
        } # if

        printf( "#define %s(NAME) FUNC_SIMPLE(", prototype )

        if ( sub( "BT_FN_", "", prototype ) == 0 ) {
            printf( "\n********** BAD MACRO NAME \"%s\" **********\n", prototype )
            exit 0
        } # if

        # generate function return type as macro
        for ( t = 0; t < N; t += 1 ) {                  # find longest match 
            type = types[t];
            if ( index( prototype, type ) == 1 ) {      # found match
                printf( "BT_%s, NAME", type )
                sub( type, "", prototype )
                break;
            } # if
        } # for

        # generate function parameter types as macro
        if ( index( prototype, "VAR" ) != 2 ) {         # C-style empty parameters ?
            for ( p = 0; length( prototype ) > 0; p += 1 ) { # until all parameters types are removed
                sub( "_", "", prototype)                # remove "_"
                printf( ", ", type )
                temp = prototype
                for ( t = 0; t < N; t += 1 ) {          # find longest match
                    type = types[t];
                    if ( index( prototype, type ) == 1 ) { # found match
                        printf( "BT_%s", type )
                        sub( type, "", prototype )
                        break;
                    } # if
                } # for
                if ( temp == prototype ) {              # no match found for parameter in macro table
                    printf( "\n********** MISSING TYPE \"%s\" **********\n", prototype )
                    exit 0
                } # if
            } # for
        } # if
        printf( ")\n" )
    } # for

    # extras
    printf( "\n#include \"builtins.def\"\n\n" );
    printf( "typedef void ** __builtin_va_list;\n" );
    printf( "extern const char *__PRETTY_FUNCTION__;\n" );
    printf( "typedef int wchar_t;\n" );
} # END