Move Cephelepod into deprecated_compiler, create captian.sh to handle bootstrapping kraken from backup or from Cephelepod

deprecated_compiler/src/StringReader.cpp

@@ -0,0 +1,166 @@
+#include "StringReader.h"
+#include <cassert>
+
+StringReader::StringReader()
+{
+    str_pos = 0;
+}
+
+StringReader::StringReader(std::string inputString)
+{
+    str_pos = 0;
+    setString(inputString);
+}
+
+StringReader::~StringReader()
+{
+    //dtor
+}
+
+void StringReader::setString(std::string inputString)
+{
+    rd_string = inputString;
+    end_reached = false;
+}
+
+std::string StringReader::word(bool truncateEnd)
+{
+    std::string result = getTokens(" \n\t", truncateEnd);
+    while (result == " " || result == "\n" || result == "\t")
+    {
+        result = getTokens(" \n\t", truncateEnd);
+    }
+    return(result);
+}
+
+std::string StringReader::line(bool truncateEnd)
+{
+    return getTokens("\n", truncateEnd);
+}
+
+std::string StringReader::getTokens(const char *stop_chars, bool truncateEnd)
+{
+    if (str_pos >= rd_string.size())
+        return "";
+    size_t found_pos = rd_string.find_first_of(stop_chars, str_pos);
+
+    if (rd_string[str_pos] == '\"') {
+        //Find the next quote
+        found_pos = rd_string.find("\"", str_pos+1);
+        //Check to see if the quote is escaped
+        int numBackslashes = 0;
+        int countBack = 1;
+        while (found_pos >= countBack && rd_string[found_pos-countBack] == '\\') {
+            numBackslashes++;
+            countBack++;
+        }
+        //While the quote is escaped
+        while (numBackslashes % 2 == 1) {
+            //find the next quote
+            found_pos = rd_string.find("\"", found_pos+1);
+            //Check to see if it's escaped
+            numBackslashes = 0;
+            countBack = 1;
+            while (found_pos >= countBack && rd_string[found_pos-countBack] == '\\') {
+                numBackslashes++;
+                countBack++;
+            }
+        }
+    }
+
+    if (found_pos == str_pos)                                   //We are at the endline
+    {
+        std::string stop_char(1, rd_string[str_pos]);
+        str_pos++;
+        return stop_char;
+    } else if (found_pos == std::string::npos)                         //We are at the end of the file
+    {
+        //End of String
+        end_reached = true;
+        //std::cout << "Reached end of file!\n";
+        return "";
+    } else {
+
+        if (truncateEnd)                                       //If we want to get rid of the delimiting character, which is the default, don't add the last char. Note we have to increase str_pos by one manually later
+            found_pos -= 1;
+
+        if (rd_string[str_pos] == '\"')
+            found_pos++;
+
+        std::string string_section = rd_string.substr(str_pos, found_pos - str_pos + 1);
+        str_pos = found_pos + 1;
+
+        if (truncateEnd)                                       //Ok, we didn't add the last char, but str_pos now points at that char. So we move it one ahead.
+            str_pos++;
+        return string_section;
+    }
+}
+
+void StringReader::test()
+{
+    {
+        StringReader reader("\"x\"");
+        assert(reader.word() == "\"x\"");
+        assert(reader.word() == "");
+    }
+
+    {
+        StringReader reader("\"y\" ;\n");
+        assert(reader.word() == "\"y\"");
+        assert(reader.word() == ";");
+        assert(reader.word() == "");
+    }
+
+    {
+        StringReader reader("Goal = greeting ;\n"
+                            "greeting = \"hello\" | greeting \"world\" ;\n");
+        assert(reader.word() == "Goal");
+        assert(reader.word() == "=");
+        assert(reader.word() == "greeting");
+        assert(reader.word() == ";");
+        assert(reader.word() == "greeting");
+        assert(reader.word() == "=");
+        assert(reader.word() == "\"hello\"");
+        assert(reader.word() == "|");
+        assert(reader.word() == "greeting");
+        assert(reader.word() == "\"world\"");
+        assert(reader.word() == ";");
+        assert(reader.word() == "");
+    }
+
+    {
+        StringReader reader("one   # pretend this is a comment\n"
+                            "    two\n");
+        assert(reader.word() == "one");
+        assert(reader.word() == "#");
+        assert(reader.line() == "pretend this is a comment");
+        assert(reader.word() == "two");
+        assert(reader.word() == "");
+    }
+
+    {
+        // Quoted strings can span lines.
+        StringReader reader("x = \"\n \" ;\n");
+        assert(reader.word() == "x");
+        assert(reader.word() == "=");
+        assert(reader.word() == "\"\n \"");
+        assert(reader.word() == ";");
+        assert(reader.word() == "");
+    }
+
+    {
+        // Strings may contain backslash-escaped quote characters.
+        StringReader reader(    "\"abc\\\"def\\\\\\\\\\\" \"\n");
+        assert(reader.word() == "\"abc\\\"def\\\\\\\\\\\" \"");
+        assert(reader.word() == "");
+    }
+
+    {
+        // A backslash-escaped backslash can be the last character in a string.
+        StringReader reader(    "\"\\\\\" \n");
+        assert(reader.word() == "\"\\\\\"");
+        assert(reader.word() == "");
+    }
+
+    std::cout << "StringReader tests pass\n";
+}