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Initial implementation of elaboration system tasks

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(IEEE1800-2017 section 20.11)
This PR allows us to use $info/$warning/$error/$fatal **at elaboration time** within a generate block.
This is very useful to stop a synthesis of a parametrized block when an
illegal combination of parameters is chosen.
This commit is contained in:
Udi Finkelstein 2019-05-03 03:10:43 +03:00
parent 98925f6c4b
commit ac10e7d96d
10 changed files with 107 additions and 5 deletions
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11
kernel/log.cc
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@ -278,6 +278,17 @@ void log_file_warning(const std::string &filename, int lineno,
va_end(ap);
}
void log_file_info(const std::string &filename, int lineno,
const char *format, ...)
{
va_list ap;
va_start(ap, format);
std::string prefix = stringf("%s:%d: Info: ",
filename.c_str(), lineno);
logv_warning_with_prefix(prefix.c_str(), format, ap);
va_end(ap);
}
YS_ATTRIBUTE(noreturn)
static void logv_error_with_prefix(const char *prefix,
const char *format, va_list ap)

1
kernel/log.h
View file

@ -80,6 +80,7 @@ void log_warning(const char *format, ...) YS_ATTRIBUTE(format(printf, 1, 2));
// Log with filename to report a problem in a source file.
void log_file_warning(const std::string &filename, int lineno, const char *format, ...) YS_ATTRIBUTE(format(printf, 3, 4));
void log_file_info(const std::string &filename, int lineno, const char *format, ...) YS_ATTRIBUTE(format(printf, 3, 4));
void log_warning_noprefix(const char *format, ...) YS_ATTRIBUTE(format(printf, 1, 2));
YS_NORETURN void log_error(const char *format, ...) YS_ATTRIBUTE(format(printf, 1, 2), noreturn);