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@ -13,59 +13,39 @@ |
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#include <inttypes.h> |
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include "upb_def.h" |
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#include "upb_msg.h" |
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#include "upb_glue.h" |
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#include "upb_strstream.h" |
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#include "upb_decoder.h" |
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#include "upb/bytestream.h" |
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#include "upb/def.h" |
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#include "upb/msg.h" |
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#include "upb/pb/glue.h" |
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/* These are in-place string transformations that do not change the length of
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* the string (and thus never need to re-allocate). */ |
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// Convert to C identifier: foo.bar.Baz -> foo_bar_Baz.
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static void to_cident(upb_string *str) |
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{ |
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upb_strlen_t len = upb_string_len(str); |
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char *buf = upb_string_getrwbuf(str, len); |
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for(int32_t i = 0; i < len; i++) |
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if(buf[i] == '.' || buf[i] == '/') |
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buf[i] = '_'; |
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static void to_cident(char *str) { |
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for (; *str; ++str) { |
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if(*str == '.' || *str == '/') *str = '_'; |
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} |
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} |
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// Convert to C proprocessor identifier: foo.bar.Baz -> FOO_BAR_BAZ.
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static void to_preproc(upb_string *str) |
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{ |
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static void to_preproc(char *str) { |
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to_cident(str); |
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upb_strlen_t len = upb_string_len(str); |
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char *buf = upb_string_getrwbuf(str, len); |
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for(int32_t i = 0; i < len; i++) |
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buf[i] = toupper(buf[i]); |
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} |
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static int my_memrchr(const char *data, char c, size_t len) |
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{ |
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int off = len-1; |
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while(off > 0 && data[off] != c) --off; |
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return off; |
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for (; *str; ++str) *str = toupper(*str); |
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} |
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/* The _const.h file defines the constants (enums) defined in the .proto
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* file. */ |
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static void write_const_h(upb_def *defs[], int num_entries, char *outfile_name, |
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FILE *stream) |
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{ |
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FILE *stream) { |
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/* Header file prologue. */ |
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upb_string *include_guard_name = upb_strdupc(outfile_name); |
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char *include_guard_name = strdup(outfile_name); |
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to_preproc(include_guard_name); |
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/* A bit cheesy, but will do the job. */ |
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upb_strlen_t len = upb_string_len(include_guard_name); |
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char *buf = upb_string_getrwbuf(include_guard_name, len); |
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buf[len-1] = 'C'; |
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fputs("/* This file was generated by upbc (the upb compiler). " |
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"Do not edit. */\n\n", stream), |
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fprintf(stream, "#ifndef " UPB_STRFMT "\n", UPB_STRARG(include_guard_name)); |
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fprintf(stream, "#define " UPB_STRFMT "\n\n", UPB_STRARG(include_guard_name)); |
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fprintf(stream, "#ifndef %s\n", include_guard_name); |
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fprintf(stream, "#define %s\n\n", include_guard_name); |
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fputs("#ifdef __cplusplus\n", stream); |
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fputs("extern \"C\" {\n", stream); |
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fputs("#endif\n\n", stream); |
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@ -75,34 +55,29 @@ static void write_const_h(upb_def *defs[], int num_entries, char *outfile_name, |
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for(int i = 0; i < num_entries; i++) { /* Foreach enum */ |
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if(defs[i]->type != UPB_DEF_ENUM) continue; |
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upb_enumdef *enumdef = upb_downcast_enumdef(defs[i]); |
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upb_string *enum_name = upb_strdup(UPB_UPCAST(enumdef)->fqname); |
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upb_string *enum_val_prefix = upb_strdup(enum_name); |
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char *enum_name = strdup(upb_def_fqname(UPB_UPCAST(enumdef))); |
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char *enum_val_prefix = strdup(enum_name); |
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to_cident(enum_name); |
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const char *data = upb_string_getrobuf(enum_val_prefix); |
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upb_strlen_t len = upb_string_len(enum_val_prefix); |
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upb_strlen_t lastsep = my_memrchr(data, UPB_SYMBOL_SEPARATOR, len); |
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upb_string_getrwbuf(enum_val_prefix, lastsep + 1); |
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to_preproc(enum_val_prefix); |
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fprintf(stream, "typedef enum " UPB_STRFMT " {\n", UPB_STRARG(enum_name)); |
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fprintf(stream, "typedef enum %s {\n", enum_name); |
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bool first = true; |
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/* Foreach enum value. */ |
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for (upb_enum_iter iter = upb_enum_begin(enumdef); |
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!upb_enum_done(iter); |
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iter = upb_enum_next(enumdef, iter)) { |
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upb_string *value_name = upb_strdup(upb_enum_iter_name(iter)); |
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char *value_name = strdup(upb_enum_iter_name(iter)); |
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uint32_t value = upb_enum_iter_number(iter); |
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to_preproc(value_name); |
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/* " GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_UINT32 = 13," */ |
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/* " GOOGLE_PROTOBUF_FIELDDESCRIPTORPROTO_TYPE_TYPE_UINT32 = 13," */ |
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if (!first) fputs(",\n", stream); |
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first = false; |
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fprintf(stream, " " UPB_STRFMT UPB_STRFMT " = %" PRIu32, |
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UPB_STRARG(enum_val_prefix), UPB_STRARG(value_name), upb_enum_iter_number(iter)); |
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upb_string_unref(value_name); |
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fprintf(stream, " %s_%s = %" PRIu32, enum_val_prefix, value_name, value); |
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free(value_name); |
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} |
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fprintf(stream, "\n} " UPB_STRFMT ";\n\n", UPB_STRARG(enum_name)); |
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upb_string_unref(enum_name); |
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upb_string_unref(enum_val_prefix); |
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fprintf(stream, "\n} %s;\n\n", enum_name); |
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free(enum_name); |
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free(enum_val_prefix); |
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} |
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/* Constants for field names and numbers. */ |
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@ -110,30 +85,32 @@ static void write_const_h(upb_def *defs[], int num_entries, char *outfile_name, |
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for(int i = 0; i < num_entries; i++) { /* Foreach enum */ |
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upb_msgdef *m = upb_dyncast_msgdef(defs[i]); |
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if(!m) continue; |
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upb_string *msg_name = upb_strdup(UPB_UPCAST(m)->fqname); |
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upb_string *msg_val_prefix = upb_strdup(msg_name); |
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char *msg_name = strdup(upb_def_fqname(UPB_UPCAST(m))); |
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char *msg_val_prefix = strdup(msg_name); |
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to_preproc(msg_val_prefix); |
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upb_msg_iter i; |
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for(i = upb_msg_begin(m); !upb_msg_done(i); i = upb_msg_next(m, i)) { |
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upb_fielddef *f = upb_msg_iter_field(i); |
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upb_string *preproc_field_name = upb_strdup(f->name); |
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char *preproc_field_name = strdup(f->name); |
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to_preproc(preproc_field_name); |
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fprintf(stream, "#define " UPB_STRFMT "_" UPB_STRFMT "_FIELDNUM %d\n", |
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UPB_STRARG(msg_val_prefix), UPB_STRARG(preproc_field_name), f->number); |
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fprintf(stream, "#define " UPB_STRFMT "_" UPB_STRFMT "_FIELDNAME \"" |
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UPB_STRFMT "\"\n", UPB_STRARG(msg_val_prefix), UPB_STRARG(preproc_field_name), UPB_STRARG(f->name)); |
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upb_string_unref(preproc_field_name); |
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fprintf(stream, "#define %s_%s__FIELDNUM %d\n", |
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msg_val_prefix, preproc_field_name, upb_fielddef_number(f)); |
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fprintf(stream, "#define %s_%s__FIELDNAME \"%s\"\n", |
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msg_val_prefix, preproc_field_name, f->name); |
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fprintf(stream, "#define %s_%s__FIELDTYPE %d\n\n", |
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msg_val_prefix, preproc_field_name, f->type); |
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free(preproc_field_name); |
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} |
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upb_string_unref(msg_val_prefix); |
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upb_string_unref(msg_name); |
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free(msg_val_prefix); |
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free(msg_name); |
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} |
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/* Epilogue. */ |
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fputs("#ifdef __cplusplus\n", stream); |
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fputs("} /* extern \"C\" */\n", stream); |
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fputs("#endif\n\n", stream); |
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fprintf(stream, "#endif /* " UPB_STRFMT " */\n", UPB_STRARG(include_guard_name)); |
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upb_string_unref(include_guard_name); |
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fprintf(stream, "#endif /* %s */\n", include_guard_name); |
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free(include_guard_name); |
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} |
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const char usage[] = |
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@ -146,15 +123,13 @@ const char usage[] = |
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" of using the input file as a basename.\n" |
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; |
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void usage_err(char *err) |
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{ |
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void usage_err(char *err) { |
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fprintf(stderr, "upbc: %s\n\n", err); |
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fputs(usage, stderr); |
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exit(1); |
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} |
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void error(char *err, ...) |
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{ |
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void error(char *err, ...) { |
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va_list args; |
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va_start(args, err); |
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fprintf(stderr, "upbc: "); |
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@ -163,8 +138,7 @@ void error(char *err, ...) |
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exit(1); |
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} |
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int main(int argc, char *argv[]) |
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{ |
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int main(int argc, char *argv[]) { |
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/* Parse arguments. */ |
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char *outfile_base = NULL, *input_file = NULL; |
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for(int i = 1; i < argc; i++) { |
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@ -184,7 +158,8 @@ int main(int argc, char *argv[]) |
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if(!outfile_base) outfile_base = input_file; |
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// Read and parse input file.
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upb_string *descriptor = upb_strreadfile(input_file); |
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size_t len; |
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char *descriptor = upb_readfile(input_file, &len); |
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if(!descriptor) |
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error("Couldn't read input file."); |
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@ -192,9 +167,9 @@ int main(int argc, char *argv[]) |
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// importing descriptor.proto.
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upb_symtab *s = upb_symtab_new(); |
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upb_status status = UPB_STATUS_INIT; |
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upb_parsedesc(s, descriptor, &status); |
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upb_read_descriptor(s, descriptor, len, &status); |
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if(!upb_ok(&status)) { |
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upb_printerr(&status); |
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upb_status_print(&status, stderr); |
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error("Failed to parse input file descriptor\n"); |
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} |
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upb_status_uninit(&status); |
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@ -213,7 +188,7 @@ int main(int argc, char *argv[]) |
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write_const_h(defs, symcount, h_const_filename, h_const_file); |
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for (int i = 0; i < symcount; i++) upb_def_unref(defs[i]); |
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free(defs); |
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upb_string_unref(descriptor); |
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free(descriptor); |
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upb_symtab_unref(s); |
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fclose(h_const_file); |
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