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Added file name + line number to symbols and use it for reasonable error handling now, added a version number to the compiled grammer

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Nathan Braswell
2016-04-05 03:14:56 -04:00
parent 0e9fff705b
commit 38ec4abc01
7 changed files with 111 additions and 54 deletions
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34
kraken.krak
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@@ -21,6 +21,7 @@ fun main(argc: int, argv: **char):int {
println(file_name)
var compiled_name = file_name + string(".comp_new")
var compiled_version = 1
var file_contents = read_file(file_name)
var loaded_and_valid = false
@@ -29,23 +30,20 @@ fun main(argc: int, argv: **char):int {
var pos = 0
var binary = read_file_binary(compiled_name)
println("read file!")
var cached_contents = string()
unpack(cached_contents, pos) = unserialize<string>(binary, pos)
if (cached_contents == file_contents) {
println("loaded_and_valid, using cached version!")
loaded_and_valid = true
/*unpack(gram, pos) = unserialize<grammer>(binary, pos)*/
// skip unnecessary copies this way
pos = gram.unserialize(binary, pos)
println("finished unserializeing!!")
} else {
/*println("file contents do not match:")*/
/*println("CACHED:")*/
/*println(cached_contents)*/
/*println("REAL:")*/
/*println(file_contents)*/
/*println("END")*/
}
var saved_version = 0
unpack(saved_version, pos) = unserialize<int>(binary, pos)
if (saved_version == compiled_version) {
var cached_contents = string()
unpack(cached_contents, pos) = unserialize<string>(binary, pos)
if (cached_contents == file_contents) {
println("loaded_and_valid, using cached version!")
loaded_and_valid = true
/*unpack(gram, pos) = unserialize<grammer>(binary, pos)*/
// skip unnecessary copies this way
pos = gram.unserialize(binary, pos)
println("finished unserializeing!!")
} else println("contents different")
} else println("version number different")
} else {
println("cached file does not exist")
}
@@ -59,7 +57,7 @@ fun main(argc: int, argv: **char):int {
println("grammer loaded, calculate_state_automaton")
gram.calculate_state_automaton()
println("calculated, writing out")
write_file_binary(compiled_name, serialize(file_contents) + serialize(gram))
write_file_binary(compiled_name, serialize(compiled_version) + serialize(file_contents) + serialize(gram))
println("done writing")
}