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#if 0
gcc gen_inl.c -o gen_inl && ./gen_inl
exit
#endif
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char const *const SOURCES[] = {
"./source/kit/status.h", "./source/kit/allocator.h",
"./source/kit/array_ref.h", "./source/kit/dynamic_array.h",
"./source/kit/string_ref.h", "./source/kit/file.h",
"./source/kit/allocator.c", "./source/kit/array_ref.c",
"./source/kit/dynamic_array.c", "./source/kit/file.c"
};
char const *repeat(int n, char c) {
static char buf[200];
for (int i = 0; i < n && i < 199; i++) buf[i] = c;
buf[n] = '\0';
return buf;
}
int skip_whitespaces(char const *const line, int i) {
while (line[i] == ' ') i++;
return i;
}
int skip(char const *const line, int i, char const *const s) {
int j = 0;
while (s[j] != '\0') {
if (line[i] != s[j])
return -1;
i++;
j++;
}
return i;
}
int is_local_include(char const *const line) {
if (line[0] != '#')
return 0;
int i = skip_whitespaces(line, 1);
i = skip(line, i, "include");
if (i == -1)
return 0;
i = skip_whitespaces(line, i);
if (line[i] != '"')
return 0;
return 1;
}
int is_empty_line(char const *const line) {
int i = skip_whitespaces(line, 0);
return line[i] == '\0' || line[i] == '\n';
}
int write_file(FILE *out, char const *const source) {
assert(out != NULL);
assert(source != NULL);
FILE *in = fopen(source, "rt");
if (in == NULL) {
fprintf(stderr, "File not found: %s\n", source);
return 1;
}
fprintf(out, "/*%s*\n", repeat(70, '*'));
fprintf(out, " *%s*\n", repeat(70, ' '));
fprintf(out, " *%s*\n", repeat(70, ' '));
fprintf(out, " * FILE: %s%s*\n", source,
repeat(58 - strlen(source), ' '));
fprintf(out, " *%s*\n", repeat(70, ' '));
fprintf(out, " *%s*\n", repeat(70, ' '));
fprintf(out, " *%s*/\n", repeat(70, '*'));
char line[200];
char buf[400];
int prev_empty = 0;
while (fgets(line, 199, in) != NULL) {
int empty = is_empty_line(line) || is_local_include(line);
if (empty) {
if (!prev_empty)
fprintf(out, "\n");
} else {
int j = 0;
for (int i = 0; line[i] != '\0'; i++) {
if (line[i] == '\t') {
buf[j++] = ' ';
buf[j++] = ' ';
} else if (line[i] != '\n' && line[i] != '\r')
buf[j++] = line[i];
}
buf[j] = '\0';
fprintf(out, "%s\n", buf);
}
prev_empty = empty;
}
fclose(in);
fprintf(out, "\n");
return 0;
}
int main(int argc, char **argv) {
char const *const out_file = "./include/kit.inl.h";
FILE *out = fopen(out_file, "wt");
if (out == NULL) {
fprintf(stderr, "Can't write: %s\n", out_file);
return 1;
}
fprintf(out, "#ifndef KIT_INL_H\n");
fprintf(out, "#define KIT_INL_H\n");
fprintf(out, "\n");
for (int i = 0; i < sizeof SOURCES / sizeof *SOURCES; i++)
if (write_file(out, SOURCES[i]) != 0) {
fclose(out);
return 1;
}
fprintf(out, "\n");
fprintf(out, "#endif\n");
fclose(out);
return 0;
}
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