cpp.h File Reference

Go to the source code of this file.

Classes
struct	cpp_macro_t

Functions
static	TAG_CALLBACK (cpp_default)
static	TAG_CALLBACK (cpp_error)
static	TAG_CALLBACK (cpp_warning)
static	TAG_CALLBACK (cpp_if)
static	TAG_CALLBACK (cpp_ifdef)
static	TAG_CALLBACK (cpp_else)
static	TAG_CALLBACK (cpp_ifndef)
static void	cpp_macro_add (char *name, char *args, char *body)
static	PUT_CALLBACK (cpp_fputs)
static	TAG_CALLBACK (cpp_define)
static	TAG_CALLBACK (cpp_endif)
static	TAG_CALLBACK (cpp_include)
static	ARG_CALLBACK (cpp_arg_i)
static	ARG_CALLBACK (cpp_arg_d)

Variables
static struct cpp_macro_t	cpp_macros [10]
static int	cpp_macros_n = 0
DLL_LOCAL struct Tag	cpp_tags []
static struct Arg	cpp_args []
DLL_LOCAL struct Proc	cpp_proc

Function Documentation

ARG_CALLBACK() [1/2]

static ARG_CALLBACK ( cpp_arg_d  )

static

Definition at line 145 of file cpp.h.

                               {
    // TODO: handle rz_sys_setenv==-1
    char *eq = strchr (arg, '=');
    if (eq) {
        *eq = '\0';
        rz_sys_setenv (arg, eq + 1);
    } else {
        rz_sys_setenv (arg, "");
    }
    return 0;
}

References eq, and rz_sys_setenv().

ARG_CALLBACK() [2/2]

static ARG_CALLBACK ( cpp_arg_i  )

static

Definition at line 140 of file cpp.h.

                               {
    printf("INCLUDEDIR(%s)\n", arg);
    return 0;
}

References printf().

cpp_macro_add()

static void cpp_macro_add ( char *  name, char *  args, char *  body  )

static

Definition at line 63 of file cpp.h.

                                                              {
    char *ptr;
    cpp_macros[cpp_macros_n].args = strdup(args);
    cpp_macros[cpp_macros_n].body = strdup(body);
    ptr = strchr (name, '(');
    if (ptr) {
        ptr[1] = '\0';
    }
    cpp_macros[cpp_macros_n].name = strdup(name);
    cpp_macros_n++;
}

References args, cpp_macro_t::args, cpp_macro_t::body, cpp_macros, cpp_macros_n, cpp_macro_t::name, and strdup().

Referenced by TAG_CALLBACK().

PUT_CALLBACK()

static PUT_CALLBACK ( cpp_fputs  )

static

Definition at line 75 of file cpp.h.

                               {
    int i;
    for (i = 0; i < cpp_macros_n; i++) {
        if (strstr(buf, cpp_macros[i].name)) {
            fprintf (stderr, "MACRO (%s) HIT\n",
                cpp_macros[i].name);
        }
    }
    out_printf (out, "%s", buf);
    return 0;
}

References cpp_macros, cpp_macros_n, i, out, and out_printf().

TAG_CALLBACK() [1/10]

static TAG_CALLBACK ( cpp_default  )

static

Definition at line 3 of file cpp.h.

                                 {
    out_printf (out, "DEFAULT: (%s)\n", buf);
    return 0;
}

References out, and out_printf().

TAG_CALLBACK() [2/10]

static TAG_CALLBACK ( cpp_define  )

static

Definition at line 87 of file cpp.h.

                                {
    char *eq = strchr (buf, ' ');
    if (eq) {
        char *ptr = eq + 1;
        char *macro = strchr(buf, '(');
        *eq = '\0';
        if (macro) {
            /*macro[0]='\0'; */
            ptr = strchr (macro + 1, ')');
            if (!ptr) {
                fprintf(stderr, "Invalid syntax\n");
                return 1;
            }
            ptr = ptr + 1;
            fprintf(stderr, "REGISTER MACRO:\n");
            fprintf(stderr, "  name: %s\n", buf);
            fprintf(stderr, "  args: %s\n", macro);
            fprintf(stderr, "  body: %s\n", ptr+1);
            cpp_macro_add(buf,macro,ptr+1);
            /* TODO: Name is "BUF(". for funny strstr */
        }
        rz_sys_setenv (buf, ptr);
    } else rz_sys_setenv (buf, "");
    return 0;
}

References cpp_macro_add(), eq, and rz_sys_setenv().

TAG_CALLBACK() [3/10]

static TAG_CALLBACK ( cpp_else  )

static

Definition at line 44 of file cpp.h.

                              {
    state->echo[state->ifl] = state->echo[state->ifl]? 0: 1;
    return 0;
}

TAG_CALLBACK() [4/10]

static TAG_CALLBACK ( cpp_endif  )

static

Definition at line 113 of file cpp.h.

                               {
    return -1;
}

TAG_CALLBACK() [5/10]

static TAG_CALLBACK ( cpp_error  )

static

Definition at line 8 of file cpp.h.

                               {
    out_printf (out, "\n");
    if (state->echo[state->ifl] && buf) {
        out_printf (out, "ERROR: %s (line=%d)\n", buf, state->lineno);
        return -1;
    }
    return 0;
}

References out, and out_printf().

TAG_CALLBACK() [6/10]

static TAG_CALLBACK ( cpp_if  )

static

Definition at line 25 of file cpp.h.

                            {
    char *var = getenv (buf + ((*buf == '!') ? 1 : 0));
    if (var && *var == '1') {
        state->echo[state->ifl + 1] = 1;
    } else {
        state->echo[state->ifl + 1] = 0;
    }
    if (*buf == '!') {
        state->echo[state->ifl + 1] = !!!state->echo[state->ifl + 1];
    }
    return 1;
}

References getenv().

TAG_CALLBACK() [7/10]

static TAG_CALLBACK ( cpp_ifdef  )

static

Definition at line 38 of file cpp.h.

                               {
    char *var = getenv (buf);
    state->echo[state->ifl + 1] = var? 1: 0;
    return 1;
}

References getenv().

TAG_CALLBACK() [8/10]

static TAG_CALLBACK ( cpp_ifndef  )

static

Definition at line 49 of file cpp.h.

                                {
    cpp_ifdef (state, out, buf);
    cpp_else (state, out, buf);
    return 1;
}

References out.

TAG_CALLBACK() [9/10]

static TAG_CALLBACK ( cpp_include  )

static

Definition at line 117 of file cpp.h.

                                 {
    if (state->echo[state->ifl]) {
        spp_file (buf, out);
    }
    return 0;
}

References out, and spp_file().

TAG_CALLBACK() [10/10]

static TAG_CALLBACK ( cpp_warning  )

static

Definition at line 17 of file cpp.h.

                                 {
    out_printf (out,"\n");
    if (state->echo[state->ifl] && buf != NULL) {
        out_printf (out, "WARNING: line %d: %s\n", state->lineno, buf);
    }
    return 0;
}

References NULL, out, and out_printf().

Variable Documentation

cpp_args

struct Arg cpp_args[]

static

Initial value:

= {
    { "-I", "add include directory", 1, cpp_arg_i },
    { "-D", "define value of variable", 1, cpp_arg_d },
    { NULL }
}

Definition at line 145 of file cpp.h.

cpp_macros

struct cpp_macro_t cpp_macros[10]

static

Referenced by cpp_macro_add(), and PUT_CALLBACK().

cpp_macros_n

int cpp_macros_n = 0

static

Definition at line 61 of file cpp.h.

Referenced by cpp_macro_add(), and PUT_CALLBACK().

cpp_proc

DLL_LOCAL struct Proc cpp_proc

Initial value:

= {
    .name = "cpp",
    .tags = (struct Tag **)cpp_tags,
    .args = (struct Arg **)cpp_args,
    .token = " ",
    .eof = NULL,
    .tag_pre = "#",
    .tag_post = "\n",
    .multiline = "\\\n",
    .default_echo = 1,
    .fputs = cpp_fputs,
    .chop = 0,
    .tag_begin = 1,
}

Definition at line 163 of file cpp.h.

cpp_tags

DLL_LOCAL struct Tag cpp_tags[]

Initial value:

= {
    { "ifdef", cpp_ifdef },
    { "ifndef", cpp_ifndef },
    { "endif", cpp_endif },
    { "if", cpp_if },
    { "else", cpp_else },
    { "include", cpp_include },
    { "define", cpp_define },
    { "error", cpp_error },
    { "warning", cpp_warning },
    { NULL, cpp_default },
    { NULL }
}

Definition at line 124 of file cpp.h.