import java.math.*; import javax.imageio.*; import java.awt.image.*; import java.awt.event.*; import java.awt.*; import java.security.spec.*; import java.security.*; import java.lang.management.*; import java.lang.ref.*; import java.lang.reflect.*; import java.net.*; import java.io.*; import javax.swing.table.*; import javax.swing.text.*; import javax.swing.event.*; import javax.swing.*; import java.util.concurrent.atomic.*; import java.util.concurrent.*; import java.util.regex.*; import java.util.List; import java.util.zip.*; import java.util.*; public class main { static class Matches { String[] m; String get(int i) { return i < m.length ? m[i] : null; } String unq(int i) { return unquote(get(i)); } String fsi(int i) { return formatSnippetID(unq(i)); } String fsi() { return fsi(0); } String tlc(int i) { return unq(i).toLowerCase(); } boolean bool(int i) { return "true".equals(unq(i)); } String rest() { return m[m.length-1]; } // for matchStart int psi(int i) { return Integer.parseInt(unq(i)); } } // Matches /** * A class to compare vectors of objects. The result of comparison * is a list of change objects which form an * edit script. The objects compared are traditionally lines * of text from two files. Comparison options such as "ignore * whitespace" are implemented by modifying the equals * and hashcode methods for the objects compared. *

* The basic algorithm is described in:
* "An O(ND) Difference Algorithm and its Variations", Eugene Myers, * Algorithmica Vol. 1 No. 2, 1986, p 251. *

* This class outputs different results from GNU diff 1.15 on some * inputs. Our results are actually better (smaller change list, smaller * total size of changes), but it would be nice to know why. Perhaps * there is a memory overwrite bug in GNU diff 1.15. * * @author Stuart D. Gathman, translated from GNU diff 1.15 * Copyright (C) 2000 Business Management Systems, Inc. *

* This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 1, or (at your option) * any later version. *

* This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. *

* You should have received a copy of the * GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ static class EGDiff { /** * Prepare to find differences between two arrays. Each element of * the arrays is translated to an "equivalence number" based on * the result of equals. The original Object arrays * are no longer needed for computing the differences. They will * be needed again later to print the results of the comparison as * an edit script, if desired. */ public EGDiff(Object[] a, Object[] b) { Hashtable h = new Hashtable(a.length + b.length); filevec[0] = new file_data(a, h); filevec[1] = new file_data(b, h); } /** * 1 more than the maximum equivalence value used for this or its * sibling file. */ private int equiv_max = 1; /** * When set to true, the comparison uses a heuristic to speed it up. * With this heuristic, for files with a constant small density * of changes, the algorithm is linear in the file size. */ public boolean heuristic = false; /** * When set to true, the algorithm returns a guarranteed minimal * set of changes. This makes things slower, sometimes much slower. */ public boolean no_discards = false; private int[] xvec, yvec; /* Vectors being compared. */ private int[] fdiag; /* Vector, indexed by diagonal, containing the X coordinate of the point furthest along the given diagonal in the forward search of the edit matrix. */ private int[] bdiag; /* Vector, indexed by diagonal, containing the X coordinate of the point furthest along the given diagonal in the backward search of the edit matrix. */ private int fdiagoff, bdiagoff; private final file_data[] filevec = new file_data[2]; private int cost; /** * Find the midpoint of the shortest edit script for a specified * portion of the two files. *

* We scan from the beginnings of the files, and simultaneously from the ends, * doing a breadth-first search through the space of edit-sequence. * When the two searches meet, we have found the midpoint of the shortest * edit sequence. *

* The value returned is the number of the diagonal on which the midpoint lies. * The diagonal number equals the number of inserted lines minus the number * of deleted lines (counting only lines before the midpoint). * The edit cost is stored into COST; this is the total number of * lines inserted or deleted (counting only lines before the midpoint). *

* This function assumes that the first lines of the specified portions * of the two files do not match, and likewise that the last lines do not * match. The caller must trim matching lines from the beginning and end * of the portions it is going to specify. *

* Note that if we return the "wrong" diagonal value, or if * the value of bdiag at that diagonal is "wrong", * the worst this can do is cause suboptimal diff output. * It cannot cause incorrect diff output. */ private int diag(int xoff, int xlim, int yoff, int ylim) { final int[] fd = fdiag; // Give the compiler a chance. final int[] bd = bdiag; // Additional help for the compiler. final int[] xv = xvec; // Still more help for the compiler. final int[] yv = yvec; // And more and more . . . final int dmin = xoff - ylim; // Minimum valid diagonal. final int dmax = xlim - yoff; // Maximum valid diagonal. final int fmid = xoff - yoff; // Center diagonal of top-down search. final int bmid = xlim - ylim; // Center diagonal of bottom-up search. int fmin = fmid, fmax = fmid; // Limits of top-down search. int bmin = bmid, bmax = bmid; // Limits of bottom-up search. /* True if southeast corner is on an odd diagonal with respect to the northwest. */ final boolean odd = (fmid - bmid & 1) != 0; fd[fdiagoff + fmid] = xoff; bd[bdiagoff + bmid] = xlim; for (int c = 1; ; ++c) { int d; /* Active diagonal. */ boolean big_snake = false; /* Extend the top-down search by an edit step in each diagonal. */ if (fmin > dmin) fd[fdiagoff + --fmin - 1] = -1; else ++fmin; if (fmax < dmax) fd[fdiagoff + ++fmax + 1] = -1; else --fmax; for (d = fmax; d >= fmin; d -= 2) { int x, y, oldx, tlo = fd[fdiagoff + d - 1], thi = fd[fdiagoff + d + 1]; if (tlo >= thi) x = tlo + 1; else x = thi; oldx = x; y = x - d; while (x < xlim && y < ylim && xv[x] == yv[y]) { ++x; ++y; } if (x - oldx > 20) big_snake = true; fd[fdiagoff + d] = x; if (odd && bmin <= d && d <= bmax && bd[bdiagoff + d] <= fd[fdiagoff + d]) { cost = 2 * c - 1; return d; } } /* Similar extend the bottom-up search. */ if (bmin > dmin) bd[bdiagoff + --bmin - 1] = Integer.MAX_VALUE; else ++bmin; if (bmax < dmax) bd[bdiagoff + ++bmax + 1] = Integer.MAX_VALUE; else --bmax; for (d = bmax; d >= bmin; d -= 2) { int x, y, oldx, tlo = bd[bdiagoff + d - 1], thi = bd[bdiagoff + d + 1]; if (tlo < thi) x = tlo; else x = thi - 1; oldx = x; y = x - d; while (x > xoff && y > yoff && xv[x - 1] == yv[y - 1]) { --x; --y; } if (oldx - x > 20) big_snake = true; bd[bdiagoff + d] = x; if (!odd && fmin <= d && d <= fmax && bd[bdiagoff + d] <= fd[fdiagoff + d]) { cost = 2 * c; return d; } } /* Heuristic: check occasionally for a diagonal that has made lots of progress compared with the edit distance. If we have any such, find the one that has made the most progress and return it as if it had succeeded. With this heuristic, for files with a constant small density of changes, the algorithm is linear in the file size. */ if (c > 200 && big_snake && heuristic) { int best = 0; int bestpos = -1; for (d = fmax; d >= fmin; d -= 2) { int dd = d - fmid; if ((fd[fdiagoff + d] - xoff) * 2 - dd > 12 * (c + (dd > 0 ? dd : -dd))) { if (fd[fdiagoff + d] * 2 - dd > best && fd[fdiagoff + d] - xoff > 20 && fd[fdiagoff + d] - d - yoff > 20) { int k; int x = fd[fdiagoff + d]; /* We have a good enough best diagonal; now insist that it end with a significant snake. */ for (k = 1; k <= 20; k++) if (xvec[x - k] != yvec[x - d - k]) break; if (k == 21) { best = fd[fdiagoff + d] * 2 - dd; bestpos = d; } } } } if (best > 0) { cost = 2 * c - 1; return bestpos; } best = 0; for (d = bmax; d >= bmin; d -= 2) { int dd = d - bmid; if ((xlim - bd[bdiagoff + d]) * 2 + dd > 12 * (c + (dd > 0 ? dd : -dd))) { if ((xlim - bd[bdiagoff + d]) * 2 + dd > best && xlim - bd[bdiagoff + d] > 20 && ylim - (bd[bdiagoff + d] - d) > 20) { /* We have a good enough best diagonal; now insist that it end with a significant snake. */ int k; int x = bd[bdiagoff + d]; for (k = 0; k < 20; k++) if (xvec[x + k] != yvec[x - d + k]) break; if (k == 20) { best = (xlim - bd[bdiagoff + d]) * 2 + dd; bestpos = d; } } } } if (best > 0) { cost = 2 * c - 1; return bestpos; } } } } /** * Compare in detail contiguous subsequences of the two files * which are known, as a whole, to match each other. *

* The results are recorded in the vectors filevec[N].changed_flag, by * storing a 1 in the element for each line that is an insertion or deletion. *

* The subsequence of file 0 is [XOFF, XLIM) and likewise for file 1. *

* Note that XLIM, YLIM are exclusive bounds. * All line numbers are origin-0 and discarded lines are not counted. */ private void compareseq(int xoff, int xlim, int yoff, int ylim) { /* Slide down the bottom initial diagonal. */ while (xoff < xlim && yoff < ylim && xvec[xoff] == yvec[yoff]) { ++xoff; ++yoff; } /* Slide up the top initial diagonal. */ while (xlim > xoff && ylim > yoff && xvec[xlim - 1] == yvec[ylim - 1]) { --xlim; --ylim; } /* Handle simple cases. */ if (xoff == xlim) while (yoff < ylim) filevec[1].changed_flag[1 + filevec[1].realindexes[yoff++]] = true; else if (yoff == ylim) while (xoff < xlim) filevec[0].changed_flag[1 + filevec[0].realindexes[xoff++]] = true; else { /* Find a point of correspondence in the middle of the files. */ int d = diag(xoff, xlim, yoff, ylim); int c = cost; int b = bdiag[bdiagoff + d]; if (c == 1) { /* This should be impossible, because it implies that one of the two subsequences is empty, and that case was handled above without calling `diag'. Let's verify that this is true. */ throw new IllegalArgumentException("Empty subsequence"); } else { /* Use that point to split this problem into two subproblems. */ compareseq(xoff, b, yoff, b - d); /* This used to use f instead of b, but that is incorrect! It is not necessarily the case that diagonal d has a snake from b to f. */ compareseq(b, xlim, b - d, ylim); } } } /** * Discard lines from one file that have no matches in the other file. */ private void discard_confusing_lines() { filevec[0].discard_confusing_lines(filevec[1]); filevec[1].discard_confusing_lines(filevec[0]); } private boolean inhibit = false; /** * Adjust inserts/deletes of blank lines to join changes * as much as possible. */ private void shift_boundaries() { if (inhibit) return; filevec[0].shift_boundaries(filevec[1]); filevec[1].shift_boundaries(filevec[0]); } public interface ScriptBuilder { /** * Scan the tables of which lines are inserted and deleted, * producing an edit script. * * @param changed0 true for lines in first file which do not match 2nd * @param len0 number of lines in first file * @param changed1 true for lines in 2nd file which do not match 1st * @param len1 number of lines in 2nd file * @return a linked list of changes - or null */ public change build_script(boolean[] changed0, int len0, boolean[] changed1, int len1); } /** * Scan the tables of which lines are inserted and deleted, * producing an edit script in reverse order. */ static class ReverseScript implements ScriptBuilder { public change build_script(final boolean[] changed0, int len0, final boolean[] changed1, int len1) { change script = null; int i0 = 0, i1 = 0; while (i0 < len0 || i1 < len1) { if (changed0[1 + i0] || changed1[1 + i1]) { int line0 = i0, line1 = i1; /* Find # lines changed here in each file. */ while (changed0[1 + i0]) ++i0; while (changed1[1 + i1]) ++i1; /* Record this change. */ script = new change(line0, line1, i0 - line0, i1 - line1, script); } /* We have reached lines in the two files that match each other. */ i0++; i1++; } return script; } } static class ForwardScript implements ScriptBuilder { /** * Scan the tables of which lines are inserted and deleted, * producing an edit script in forward order. */ public change build_script(final boolean[] changed0, int len0, final boolean[] changed1, int len1) { change script = null; int i0 = len0, i1 = len1; while (i0 >= 0 || i1 >= 0) { if (changed0[i0] || changed1[i1]) { int line0 = i0, line1 = i1; /* Find # lines changed here in each file. */ while (changed0[i0]) --i0; while (changed1[i1]) --i1; /* Record this change. */ script = new change(i0, i1, line0 - i0, line1 - i1, script); } /* We have reached lines in the two files that match each other. */ i0--; i1--; } return script; } } /** * Standard ScriptBuilders. */ public final static ScriptBuilder forwardScript = new ForwardScript(), reverseScript = new ReverseScript(); /* Report the differences of two files. DEPTH is the current directory depth. */ public final change diff_2(final boolean reverse) { return diff(reverse ? reverseScript : forwardScript); } /** * Get the results of comparison as an edit script. The script * is described by a list of changes. The standard ScriptBuilder * implementations provide for forward and reverse edit scripts. * Alternate implementations could, for instance, list common elements * instead of differences. * * @param bld an object to build the script from change flags * @return the head of a list of changes */ public change diff(final ScriptBuilder bld) { /* Some lines are obviously insertions or deletions because they don't match anything. Detect them now, and avoid even thinking about them in the main comparison algorithm. */ discard_confusing_lines(); /* Now do the main comparison algorithm, considering just the undiscarded lines. */ xvec = filevec[0].undiscarded; yvec = filevec[1].undiscarded; int diags = filevec[0].nondiscarded_lines + filevec[1].nondiscarded_lines + 3; fdiag = new int[diags]; fdiagoff = filevec[1].nondiscarded_lines + 1; bdiag = new int[diags]; bdiagoff = filevec[1].nondiscarded_lines + 1; compareseq(0, filevec[0].nondiscarded_lines, 0, filevec[1].nondiscarded_lines); fdiag = null; bdiag = null; /* Modify the results slightly to make them prettier in cases where that can validly be done. */ shift_boundaries(); /* Get the results of comparison in the form of a chain of `struct change's -- an edit script. */ return bld.build_script(filevec[0].changed_flag, filevec[0].buffered_lines, filevec[1].changed_flag, filevec[1].buffered_lines); } /** * The result of comparison is an "edit script": a chain of change objects. * Each change represents one place where some lines are deleted * and some are inserted. *

* LINE0 and LINE1 are the first affected lines in the two files (origin 0). * DELETED is the number of lines deleted here from file 0. * INSERTED is the number of lines inserted here in file 1. *

* If DELETED is 0 then LINE0 is the number of the line before * which the insertion was done; vice versa for INSERTED and LINE1. */ public static class change { /** * Previous or next edit command. */ public change link; /** * # lines of file 1 changed here. */ public final int inserted; /** * # lines of file 0 changed here. */ public final int deleted; /** * Line number of 1st deleted line. */ public final int line0; /** * Line number of 1st inserted line. */ public final int line1; /** * Cons an additional entry onto the front of an edit script OLD. * LINE0 and LINE1 are the first affected lines in the two files (origin 0). * DELETED is the number of lines deleted here from file 0. * INSERTED is the number of lines inserted here in file 1. *

* If DELETED is 0 then LINE0 is the number of the line before * which the insertion was done; vice versa for INSERTED and LINE1. */ public change(int line0, int line1, int deleted, int inserted, change old) { this.line0 = line0; this.line1 = line1; this.inserted = inserted; this.deleted = deleted; this.link = old; //System.err.println(line0+","+line1+","+inserted+","+deleted); } } /** * Data on one input file being compared. */ class file_data { /** * Allocate changed array for the results of comparison. */ void clear() { /* Allocate a flag for each line of each file, saying whether that line is an insertion or deletion. Allocate an extra element, always zero, at each end of each vector. */ changed_flag = new boolean[buffered_lines + 2]; } /** * Return equiv_count[I] as the number of lines in this file * that fall in equivalence class I. * * @return the array of equivalence class counts. */ int[] equivCount() { int[] equiv_count = new int[equiv_max]; for (int i = 0; i < buffered_lines; ++i) ++equiv_count[equivs[i]]; return equiv_count; } /** * Discard lines that have no matches in another file. *

* A line which is discarded will not be considered by the actual * comparison algorithm; it will be as if that line were not in the file. * The file's `realindexes' table maps virtual line numbers * (which don't count the discarded lines) into real line numbers; * this is how the actual comparison algorithm produces results * that are comprehensible when the discarded lines are counted. *

* When we discard a line, we also mark it as a deletion or insertion * so that it will be printed in the output. * * @param f the other file */ void discard_confusing_lines(file_data f) { clear(); /* Set up table of which lines are going to be discarded. */ final byte[] discarded = discardable(f.equivCount()); /* Don't really discard the provisional lines except when they occur in a run of discardables, with nonprovisionals at the beginning and end. */ filterDiscards(discarded); /* Actually discard the lines. */ discard(discarded); } /** * Mark to be discarded each line that matches no line of another file. * If a line matches many lines, mark it as provisionally discardable. * * @param counts The count of each equivalence number for the other file. * @return 0=nondiscardable, 1=discardable or 2=provisionally discardable * for each line */ private byte[] discardable(final int[] counts) { final int end = buffered_lines; final byte[] discards = new byte[end]; final int[] equivs = this.equivs; int many = 5; int tem = end / 64; /* Multiply MANY by approximate square root of number of lines. That is the threshold for provisionally discardable lines. */ while ((tem = tem >> 2) > 0) many *= 2; for (int i = 0; i < end; i++) { int nmatch; if (equivs[i] == 0) continue; nmatch = counts[equivs[i]]; if (nmatch == 0) discards[i] = 1; else if (nmatch > many) discards[i] = 2; } return discards; } /** * Don't really discard the provisional lines except when they occur * in a run of discardables, with nonprovisionals at the beginning * and end. */ private void filterDiscards(final byte[] discards) { final int end = buffered_lines; for (int i = 0; i < end; i++) { /* Cancel provisional discards not in middle of run of discards. */ if (discards[i] == 2) discards[i] = 0; else if (discards[i] != 0) { /* We have found a nonprovisional discard. */ int j; int length; int provisional = 0; /* Find end of this run of discardable lines. Count how many are provisionally discardable. */ for (j = i; j < end; j++) { if (discards[j] == 0) break; if (discards[j] == 2) ++provisional; } /* Cancel provisional discards at end, and shrink the run. */ while (j > i && discards[j - 1] == 2) { discards[--j] = 0; --provisional; } /* Now we have the length of a run of discardable lines whose first and last are not provisional. */ length = j - i; /* If 1/4 of the lines in the run are provisional, cancel discarding of all provisional lines in the run. */ if (provisional * 4 > length) { while (j > i) if (discards[--j] == 2) discards[j] = 0; } else { int consec; int minimum = 1; int tem = length / 4; /* MINIMUM is approximate square root of LENGTH/4. A subrun of two or more provisionals can stand when LENGTH is at least 16. A subrun of 4 or more can stand when LENGTH >= 64. */ while ((tem = tem >> 2) > 0) minimum *= 2; minimum++; /* Cancel any subrun of MINIMUM or more provisionals within the larger run. */ for (j = 0, consec = 0; j < length; j++) if (discards[i + j] != 2) consec = 0; else if (minimum == ++consec) /* Back up to start of subrun, to cancel it all. */ j -= consec; else if (minimum < consec) discards[i + j] = 0; /* Scan from beginning of run until we find 3 or more nonprovisionals in a row or until the first nonprovisional at least 8 lines in. Until that point, cancel any provisionals. */ for (j = 0, consec = 0; j < length; j++) { if (j >= 8 && discards[i + j] == 1) break; if (discards[i + j] == 2) { consec = 0; discards[i + j] = 0; } else if (discards[i + j] == 0) consec = 0; else consec++; if (consec == 3) break; } /* I advances to the last line of the run. */ i += length - 1; /* Same thing, from end. */ for (j = 0, consec = 0; j < length; j++) { if (j >= 8 && discards[i - j] == 1) break; if (discards[i - j] == 2) { consec = 0; discards[i - j] = 0; } else if (discards[i - j] == 0) consec = 0; else consec++; if (consec == 3) break; } } } } } /** * Actually discard the lines. * * @param discards flags lines to be discarded */ private void discard(final byte[] discards) { final int end = buffered_lines; int j = 0; for (int i = 0; i < end; ++i) if (no_discards || discards[i] == 0) { undiscarded[j] = equivs[i]; realindexes[j++] = i; } else changed_flag[1 + i] = true; nondiscarded_lines = j; } file_data(Object[] data, Hashtable h) { buffered_lines = data.length; equivs = new int[buffered_lines]; undiscarded = new int[buffered_lines]; realindexes = new int[buffered_lines]; for (int i = 0; i < data.length; ++i) { Integer ir = (Integer) h.get(data[i]); if (ir == null) h.put(data[i], new Integer(equivs[i] = equiv_max++)); else equivs[i] = ir.intValue(); } } /** * Adjust inserts/deletes of blank lines to join changes * as much as possible. *

* We do something when a run of changed lines include a blank * line at one end and have an excluded blank line at the other. * We are free to choose which blank line is included. * `compareseq' always chooses the one at the beginning, * but usually it is cleaner to consider the following blank line * to be the "change". The only exception is if the preceding blank line * would join this change to other changes. * * @param f the file being compared against */ void shift_boundaries(file_data f) { final boolean[] changed = changed_flag; final boolean[] other_changed = f.changed_flag; int i = 0; int j = 0; int i_end = buffered_lines; int preceding = -1; int other_preceding = -1; for (; ;) { int start, end, other_start; /* Scan forwards to find beginning of another run of changes. Also keep track of the corresponding point in the other file. */ while (i < i_end && !changed[1 + i]) { while (other_changed[1 + j++]) /* Non-corresponding lines in the other file will count as the preceding batch of changes. */ other_preceding = j; i++; } if (i == i_end) break; start = i; other_start = j; for (; ;) { /* Now find the end of this run of changes. */ while (i < i_end && changed[1 + i]) i++; end = i; /* If the first changed line matches the following unchanged one, and this run does not follow right after a previous run, and there are no lines deleted from the other file here, then classify the first changed line as unchanged and the following line as changed in its place. */ /* You might ask, how could this run follow right after another? Only because the previous run was shifted here. */ if (end != i_end && equivs[start] == equivs[end] && !other_changed[1 + j] && end != i_end && !((preceding >= 0 && start == preceding) || (other_preceding >= 0 && other_start == other_preceding))) { changed[1 + end] = true; changed[1 + start++] = false; ++i; /* Since one line-that-matches is now before this run instead of after, we must advance in the other file to keep in synch. */ ++j; } else break; } preceding = i; other_preceding = j; } } /** * Number of elements (lines) in this file. */ final int buffered_lines; /** * Vector, indexed by line number, containing an equivalence code for * each line. It is this vector that is actually compared with that * of another file to generate differences. */ private final int[] equivs; /** * Vector, like the previous one except that * the elements for discarded lines have been squeezed out. */ final int[] undiscarded; /** * Vector mapping virtual line numbers (not counting discarded lines) * to real ones (counting those lines). Both are origin-0. */ final int[] realindexes; /** * Total number of nondiscarded lines. */ int nondiscarded_lines; /** * Array, indexed by real origin-1 line number, * containing true for a line that is an insertion or a deletion. * The results of comparison are stored here. */ boolean[] changed_flag; } } // EGDiff static class BlockDiff { public CopyBlock asCopyBlock() { return null; } public NewBlock asNewBlock () { return null; } } static class CopyBlock extends BlockDiff { int firstLine, lines; CopyBlock(int firstLine, int lines) { this.firstLine = firstLine; this.lines = lines; } public CopyBlock asCopyBlock() { return this; } public int getFirstLine() { return firstLine; } public int getLines() { return lines; } } static class NewBlock extends BlockDiff { int originalStart; List contents; NewBlock(int originalStart, List contents) { this.originalStart = originalStart; this.contents = contents; } public NewBlock asNewBlock () { return this; } public int getOriginalStart() { return originalStart; } public List getContents() { return contents; } } static class ExplodedLine { int type; String left, right; int leftIndex, rightIndex; ExplodedLine(int type, String left, String right, int leftIndex, int rightIndex) { this.type = type; this.left = left; this.right = right; this.leftIndex = leftIndex; this.rightIndex = rightIndex; } public int getType() { return type; } public String getLeft() { return left; } public String getRight() { return right; } public int getLeftIndex() { return leftIndex; } public int getRightIndex() { return rightIndex; } } static class BlockDiffer { public static final int IDENTICAL = 0; public static final int DIFFERENT = 1; public static final int LEFT_ONLY = 2; public static final int RIGHT_ONLY = 3; private static void printChange(EGDiff.change change) { if (change != null) { System.out.println("line0="+change.line0+", line1="+change.line1 +", inserted="+change.inserted+", deleted="+change.deleted); printChange(change.link); } } /** Generates the text content of a Unified-format context diff between 2 files * (NB the 'files-changed' header must be added separately). */ public static List generateUniDiff(List fileA, List fileB, int contextSize) { EGDiff diff = new EGDiff(fileA.toArray(), fileB.toArray()); EGDiff.change change = diff.diff_2(false); if (change != null) { int inserted, deleted; List hunkLines = new ArrayList(); int cumulExtraLinesBwrtA = 0; // Each hunk is generated with a header do { int line0 = change.line0, line1 = change.line1; int changeStart = ((line1 < line0) ? line1 : line0); int contextStart = ((changeStart > contextSize) ? changeStart - contextSize : 0); int headerPosn = hunkLines.size(); // Provide the first lines of context for (int i = contextStart; i < changeStart; i++) //System.out.println(" " + fileA.get(i)); hunkLines.add(" " + fileA.get(i)); boolean hunkFinish = false; // Step through each change giving the change lines and following context do { inserted = change.inserted; deleted = change.deleted; line0 = change.line0; line1 = change.line1; if (line1 < line0) // An insert comes earlier while (inserted-- > 0) hunkLines.add("+" + fileB.get(line1++)); while (deleted-- > 0) hunkLines.add("-" + fileA.get(line0++)); while (inserted-- > 0) hunkLines.add("+" + fileB.get(line1++)); // Lines following are trailing context, identical in fileA and fileB // The next change may overlap the context, so check and if so, form one hunk EGDiff.change nextChange = change.link; int nextChangeStart = fileA.size(); if (nextChange != null) nextChangeStart = ((nextChange.line1 < nextChange.line0) ? nextChange.line1 : nextChange.line0); if (nextChangeStart - line0 > contextSize * 2) { // A separate hunk nextChangeStart = line0 + contextSize; hunkFinish = true; } if (nextChangeStart > fileA.size()) nextChangeStart = fileA.size(); // Limit to file size while (line0 < nextChangeStart) { hunkLines.add(" " + fileA.get(line0++)); line1++; // Keep in sync with trailing context } change = change.link; } while (!hunkFinish && change != null); int hunkStartB = contextStart + cumulExtraLinesBwrtA; int hunkTotA = line0 - contextStart; int hunkTotB = line1 - hunkStartB; hunkLines.add(headerPosn, "@@ -" + (contextStart + 1) + ',' + hunkTotA + " +" + (hunkStartB + 1) + ',' + hunkTotB + " @@"); cumulExtraLinesBwrtA += hunkTotB - hunkTotA; } while (change != null); return hunkLines; } return null; } /* For testing: private static void printUniDiff(List fileA, List fileB, int contextSize) { List uniDiff = generateUniDiff(fileA, fileB, contextSize); if (uniDiff != null) for (int j = 0; j < uniDiff.size(); j++) System.out.println(uniDiff.get(j)); } */ public static List diffLines(List lines, List reference) { List diffs = new ArrayList(); EGDiff diff = new EGDiff(reference.toArray(), lines.toArray()); EGDiff.change change = diff.diff_2(false); //printChange(change); //printUniDiff(reference, lines, 3); int l0 = 0, l1 = 0; while (change != null) { if (change.line0 > l0 && change.line1 > l1) diffs.add(new CopyBlock(l0, change.line0-l0)); if (change.inserted != 0) diffs.add(new NewBlock(change.line1, lines.subList(change.line1, change.line1+change.inserted))); l0 = change.line0 + change.deleted; l1 = change.line1 + change.inserted; change = change.link; } if (l0 < reference.size()) diffs.add(new CopyBlock(l0, reference.size()-l0)); return diffs; } /** fills files with empty lines to align matching blocks * * @param file1 first file * @param file2 second file * @return an array with two lists */ public static List explode(List file1, List file2) { List lines = new ArrayList(); List diffs = BlockDiffer.diffLines(file2, file1); int lastLineCopied = 0, rightOnlyStart = -1, rightPosition = 0; for (int i = 0; i < diffs.size(); i++) { BlockDiff diff = diffs.get(i); if (diff instanceof CopyBlock) { CopyBlock copyBlock = (CopyBlock) diff; if (lastLineCopied < copyBlock.getFirstLine()) { if (rightOnlyStart >= 0) { int overlap = Math.min(lines.size()-rightOnlyStart, copyBlock.getFirstLine()-lastLineCopied); //lines.subList(rightOnlyStart, rightOnlyStart+overlap).clear(); convertRightOnlyToDifferent(lines, rightOnlyStart, overlap, file1, lastLineCopied); lastLineCopied += overlap; } addBlock(lines, LEFT_ONLY, file1, lastLineCopied, copyBlock.getFirstLine(), lastLineCopied, -1); } addBlock(lines, IDENTICAL, file1, copyBlock.getFirstLine(), copyBlock.getFirstLine()+copyBlock.getLines(), copyBlock.getFirstLine(), rightPosition); rightPosition += copyBlock.getLines(); lastLineCopied = copyBlock.getFirstLine()+copyBlock.getLines(); rightOnlyStart = -1; } else if (diff instanceof NewBlock) { NewBlock newBlock = (NewBlock) diff; /*if (nextDiff instanceof BlockDiffer.CopyBlock) { BlockDiffer.CopyBlock copyBlock = (BlockDiffer.CopyBlock) nextDiff; copyBlock.getFirstLine()-lastLineCopied*/ rightOnlyStart = lines.size(); addBlock(lines, RIGHT_ONLY, newBlock.getContents(), 0, newBlock.getContents().size(), -1, rightPosition); rightPosition += newBlock.getContents().size(); } } if (rightOnlyStart >= 0) { int overlap = Math.min(lines.size()-rightOnlyStart, file1.size()-lastLineCopied); //lines.subList(rightOnlyStart, rightOnlyStart+overlap).clear(); convertRightOnlyToDifferent(lines, rightOnlyStart, overlap, file1, lastLineCopied); lastLineCopied += overlap; } addBlock(lines, LEFT_ONLY, file1, lastLineCopied, file1.size(), lastLineCopied, -1); return lines; } private static void convertRightOnlyToDifferent(List lines, int start, int numLines, List leftLines, int leftStart) { for (int i = 0; i < numLines; i++) { ExplodedLine line = lines.get(start+i); lines.set(start+i, new ExplodedLine(DIFFERENT, leftLines.get(i+leftStart), line.getRight(), i+leftStart, line.getRightIndex())); } } private static void addBlock(List lines, int type, List srcLines, int start, int end, int leftStart, int rightStart) { for (int i = start; i < end; i++) lines.add(new ExplodedLine(type, type == RIGHT_ONLY ? "" : srcLines.get(i), type == LEFT_ONLY ? "" : srcLines.get(i), type == RIGHT_ONLY ? -1 : i - start + leftStart, type == LEFT_ONLY ? -1 : i - start + rightStart)); } public static List condense(List lines) { List result = new ArrayList(); for (Iterator i = lines.iterator(); i.hasNext();) { ExplodedLine line = i.next(); if (line.getType() == IDENTICAL) { if (result.isEmpty() || result.get(result.size()-1).getType() != IDENTICAL) result.add(new ExplodedLine(IDENTICAL, "[...]", "[...]", -1, -1)); } else result.add(line); } return result; } } // BlockDiffer static abstract class DialogIO { String line; boolean eos; abstract String readLineImpl(); abstract boolean isStillConnected(); abstract void sendLine(String line); abstract boolean isLocalConnection(); abstract Socket getSocket(); abstract void close(); int getPort() { return getSocket().getPort(); } boolean helloRead; String readLineNoBlock() { String l = line; line = null; return l; } boolean waitForLine() { try { if (line != null) return true; //print("Readline"); line = readLineImpl(); //print("Readline done: " + line); if (line == null) eos = true; return line != null; } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} String readLine() { waitForLine(); helloRead = true; return readLineNoBlock(); } String ask(String s, Object... args) { if (!helloRead) readLine(); if (args.length != 0) s = format3(s, args); sendLine(s); return readLine(); } String askLoudly(String s, Object... args) { if (!helloRead) readLine(); if (args.length != 0) s = format3(s, args); print("> " + s); sendLine(s); String answer = readLine(); print("< " + answer); return answer; } void pushback(String l) { if (line != null) fail(); line = l; helloRead = false; } } static abstract class DialogHandler { abstract void run(DialogIO io); } // DialoGIO static class IndexedList2 extends AbstractList { ArrayList l = new ArrayList(); MultiSet index = new MultiSet(false); // HashMap static boolean debug; static int instances; IndexedList2() { ++instances; } IndexedList2(List x) { this(); l.ensureCapacity(l(x)); addAll(x); } // required immutable list methods @Override public A get(int i) { return l.get(i); } @Override public int size() { return l.size(); } // required mutable list methods @Override public A set(int i, A a) { A prev = l.get(i); if (prev != a) { index.remove(prev); index.add(a); } l.set(i, a); return prev; } @Override public void add(int i, A a) { index.add(a); l.add(i, a); } @Override public A remove(int i) { A a = l.get(i); index.remove(a); l.remove(i); return a; } // speed up methods @Override protected void removeRange(int fromIndex, int toIndex) { for (int i = fromIndex; i < toIndex; i++) unindex(i); l.subList(fromIndex, toIndex).clear(); } @Override public int indexOf(Object a) { if (!contains(a)) return -1; return l.indexOf(a); } @Override public boolean contains(Object a) { boolean b = index.contains((A) a); if (debug) print("IndexedList2.contains " + a + " => " + b); return b; } @Override public void clear() { index.clear(); l.clear(); } @Override public boolean addAll(int i, Collection c) { index.addAll((Collection) c); return l.addAll(i, c); } // indexing methods void unindex(int i) { index.remove(l.get(i)); } void index(int i) { index.add(l.get(i)); } // static methods static IndexedList2 ensureIndexed(List l) { return l instanceof IndexedList2 ? (IndexedList2) l : new IndexedList2(l); } } // IndexedList2 //include #1001296 // MultiMap // Now uses TreeMap for nicer sorting (i.e., A must be a orderable type) static class MultiSet { Map map = new TreeMap(); public MultiSet(boolean useTreeMap) { if (!useTreeMap) map = new HashMap(); } public MultiSet() { } public MultiSet(Collection c) { addAll(c); } public void add(A key) { add(key, 1); } public void addAll(Collection c) { if (c != null) for (A a : c) add(a); } public void add(A key, int count) { if (map.containsKey(key)) map.put(key, map.get(key)+count); else map.put(key, count); } public int get(A key) { return key != null && map.containsKey(key) ? map.get(key) : 0; } public boolean contains(A key) { return map.containsKey(key); } public void remove(A key) { Integer i = map.get(key); if (i != null && i > 1) map.put(key, i - 1); else map.remove(key); } public List getTopTen() { return getTopTen(10); } public List getTopTen(int maxSize) { List list = getSortedListDescending(); return list.size() > maxSize ? list.subList(0, maxSize) : list; } public List getSortedListDescending() { List list = new ArrayList(map.keySet()); Collections.sort(list, new Comparator() { public int compare(A a, A b) { return map.get(b).compareTo(map.get(a)); } }); return list; } public int getNumberOfUniqueElements() { return map.size(); } public Set asSet() { return map.keySet(); } public A getMostPopularEntry() { int max = 0; A a = null; for (Map.Entry entry : map.entrySet()) { if (entry.getValue() > max) { max = entry.getValue(); a = entry.getKey(); } } return a; } public void removeAll(A key) { map.remove(key); } public int size() { int size = 0; for (int i : map.values()) size += i; return size; } public MultiSet mergeWith(MultiSet set) { MultiSet result = new MultiSet(); for (A a : set.asSet()) { result.add(a, set.get(a)); } return result; } public boolean isEmpty() { return map.isEmpty(); } public String toString() { return structure(this); } public void clear() { map.clear(); } } // MultiSet static boolean isTrue(Object o) { return booleanValue(o); } // isTrue static String standardClasses = "\n\n GifSequenceWriter/#1003673\n Gen/#1004023\n IndexedList/#1004042\n \n"; // Standard Classes List static int varCount; static Map snippetCache = new TreeMap(); static boolean useIndexedList = false, opt_javaTok = true; public static void main(String[] args) throws Exception { if (useIndexedList) findCodeTokens_debug = true; javaTok_opt = opt_javaTok; findCodeTokens_indexed = findCodeTokens_unindexed = 0; javaTok_n = javaTok_elements = 0; print("759 STARTING " + identityHashCode(main.class)); varCount = 0; List tok = jtok(loadMainJava()); List ts = findTranslators(toLines(join(tok))); print("Translators in source at start: " + structure(ts)); // "duplicate" statement List lines = toLines(join(tok)); call(getJavaX(), "findTranslators", lines); Matches m = new Matches(); if (match("duplicate *", fromLines(lines), m)) { // actual copying - unused // tok = jtok(loadSnippet(m.get(0))); // reference by include() tok = jtok("m { p { callMain(include(" + quote(m.get(0)) + ")); } }"); } // add m { } if (!hasCodeTokens(tok, "m", "{") && !hasCodeTokens(tok, "main", "{") && !hasCodeTokens(tok, "class", "main")) tok = jtok(moveImportsUp("m {\n" + join(tok) + "\n}")); // standard translate ts = findTranslators(toLines(join(tok))); print("Translators in source: " + structure(ts)); tok = jtok(defaultTranslate(join(tok))); print("end of default translate"); //print(join(tok)); tok = processIncludes(tok); // before standard functions earlyStuff(tok); int safety = 0; boolean same; do { String before = join(tok); tok = standardFunctions(tok); tok = stdstuff(tok); // standard functions and all the keywords String diff; long startTime = now(); //diff = unidiff(before, join(tok)); //print("unidiff: " + (now()-startTime) + " ms"); //same = eq(diff, ""); same = eq(before, join(tok)); // << could be sped up if (!same) { print("Not same " + safety + "."); //print(indent(2, diff)); } if (safety++ >= 10) fail("safety 10 error!"); } while (!same); // POST-PROCESSING after stdstuff loop tok = jtok(quicknew(join(tok))); tok = extendClasses(tok); libs(tok); sourceCodeLine(tok); throwFail(tok); tok = autoImports(tok); // faster to do it at the end if (useIndexedList) print("Indexed/unindexed lookups: " + findCodeTokens_indexed + "/" + findCodeTokens_unindexed + ", lists made: " + IndexedList2.instances); print("javaToks: " + javaTok_n + "/" + javaTok_elements); saveMainJava(tok); } static List stdstuff(List tok) { //if (++level >= 10) fail("woot? 10"); print("stdstuff!"); int i; if (jfind(tok, "!") >= 0) { List lines = toLines(join(tok)); List ts = findTranslators(lines); tok = jtok(fromLines(lines)); print("DROPPING TRANSLATORS: " + structure(ts)); } tok = quickmain(tok); tok = processIncludes(tok); earlyStuff(tok); tok = multilineStrings(tok); listComprehensions(tok); tok = replaceKeywordBlock(tok, "answer", "static S answer(S s) {\nMatches m = new Matches();\n", "\nret null;\n}"); tok = replaceKeywordBlock(tok, "loading", "{ JWindow _loading_window = showLoadingAnimation(); try {", "} finally { disposeWindow(_loading_window); }}"); tok = replaceKeywordBlock(tok, "html", "static O html(S uri, fMap params) {\n", "}"); // "static sync" => static synchronized jreplace(tok, "static sync", "static synchronized"); // "sclass" => static class jreplace(tok, "sclass", "static class"); // "asclass" => abstract static class jreplace(tok, "asclass", "abstract static class"); // "sinterface" => static interface jreplace(tok, "sinterface", "static interface"); // "ssynchronized" => static synchronized jreplace(tok, "ssynchronized", "static synchronized"); jreplace(tok, "ssvoid", "static synchronized void"); jreplace(tok, "svoid", "static void"); jreplace(tok, "sbool", "static bool"); jreplace(tok, "sint", "static int"); jreplace(tok, "snew", "static new"); jreplace(tok, "sv ", "static void $2"); jreplace(tok, "pvoid", "public void"); // "sS" => static S jreplace(tok, "sS", "static S"); // "sO" => static O jreplace(tok, "sO", "static O"); // "sL" => static L jreplace(tok, "sL", "static L"); // "toString {" => "public S toString() {" jreplace(tok, "toString {", "public S toString() {"); jreplace(tok, "Int", "Integer"); jreplace(tok, "Bool", "Boolean"); // "catch {" => "catch (Throwable _e) {" jreplace(tok, "catch {", "catch (Throwable _e) {"); // "catch X e {" => "catch (X e) {" jreplace(tok, "catch {", "catch ($2 $3) {"); // "catch e {" => "catch (Throwable e) {" (if e is lowercase) jreplace(tok, "catch {", "catch (Throwable $2) {", new Object() { boolean check(List tok, int i) { String word = tok.get(i+3); return startsWithLowerCase(word); } }); // some crazy fancy syntax jreplace(tok, "set ;", "$2 = true;"); // more shortening jreplace(tok, "fS", "final S"); jreplace(tok, "fO", "final O"); jreplace(tok, "fL", "final L"); jreplace(tok, "fMap", "final Map"); jreplace(tok, "fRunnable", "final Runnable"); jreplace(tok, "f int", "final int"); jreplace(tok, "new {", "new $2() {"); // "continue unless" while ((i = jfind(tok, "continue unless")) >= 0) { int j = scanOverExpression(tok, getBracketMap(tok), i+4, ";"); replaceTokens(tok, i, i+4, "{ if (!("); tok.set(j, ")) continue; }"); reTok(tok, i, j+1); } // "continue if" while ((i = jfind(tok, "continue if")) >= 0) { int j = scanOverExpression(tok, getBracketMap(tok), i+4, ";"); replaceTokens(tok, i, i+4, "{ if ("); tok.set(j, ") continue; }"); reTok(tok, i, j+1); } // shortened method declarations - hopefully that works jreplace(tok, "void {", "$1 $2() {"); jreplace(tok, "String {", "$1 $2() {"); jreplace(tok, "Object {", "$1 $2() {"); jreplace(tok, "List {", "$1 $2() {"); // "is a X" => instanceof X jreplace(tok, "is a ", "instanceof $3"); // !a instanceof X => !(a instanceof X) jreplace(tok, "! instanceof ", "!($2 instanceof $4)"); // func keyword for lambdas - now automatically quines toString() while ((i = jfind(tok, "func(")) >= 0) { int argsFrom = i+4, argsTo = findCodeTokens(tok, i, false, ")"); int idx = findCodeTokens(tok, argsTo, false, "{"); int j = findEndOfBracketPart(tok, idx+2); List contents = subList(tok, idx+1, j-1); replaceTokens(tok, i, j, "new O { O get(" + join(subList(tok, argsFrom, argsTo-1)) + ") { " + tok_addReturn(contents) + " }\n" + " public S toString() { ret " + quote(trim(join(contents))) + "; }}"); reTok(tok, i, j); } while ((i = jfind(tok, "voidfunc(")) >= 0) { int argsFrom = i+4, argsTo = findCodeTokens(tok, i, false, ")"); int idx = findCodeTokens(tok, argsTo, false, "{"); int j = findEndOfBracketPart(tok, idx+2); List contents = subList(tok, idx+1, j-1); replaceTokens(tok, i, j, "new O { void get(" + join(subList(tok, argsFrom, argsTo-1)) + ") { " + join(contents) + " }\n" + " public S toString() { ret " + quote(trim(join(contents))) + "; }}"); reTok(tok, i, j); } while ((i = jfind(tok, "func {")) >= 0) { int idx = findCodeTokens(tok, i, false, "{"); int j = findEndOfBracketPart(tok, idx+2); List contents = subList(tok, idx+1, j-1); replaceTokens(tok, i, j, "new O { O get() { " + tok_addReturn(contents) + " }\n" + " public S toString() { ret " + quote(trim(join(contents))) + "; }}"); reTok(tok, i, j); } /*tok = replaceKeywordBlock(tok, "func", "new O { O get() { ret", ";}}");*/ // * constructors if (hasCodeTokens(tok, "\\*", "(")) tok = expandStarConstructors(tok); // Do this BEFORE awt replacement! ("p-awt" contains "awt" token) tok = replaceKeywordBlock(tok, "p-substance", "p-awt { substance();", "}"); tok = replaceKeywordBlock(tok, "p-awt", "p { awt {", "}}"); tok = replaceKeywordBlock(tok, "awt", "swingLater(r {", "});"); // crazy stuff jreplace (tok, "for over :", "for (int $2 = 0; $2 < l($4); $2++)"); jreplace (tok, "for to :", "for (int $2 = 0; $2 < $4; $2++)"); // STANDARD CLASSES & INTERFACES for (String line : toLinesFullTrim(standardClasses)) { int idx = line.indexOf('/'); addLibraryClasses(tok, line.substring(0, idx), line.substring(idx+1)); } addLibraryClasses(tok, "Quine", "#1003601", "Var", "#1003550", "TableFinder", "#1000850", "Snippet", "#1003519", "GermanDateAdapter", "#1003510", "BF", "#1003489", "BotChat", "#1003499", "StrictTreeMap", "#1003482", "E", "#1003474", "Dialog", "#1003356", "OccTree2", "#1003407", "OccTree", "#1003331", "EGDiff", "#1000882", "BlockDiffer", "#1000883", "Q", "#1000934", "F", "#1003033", "LoadEnv", "#1002955", "CIString", "#1002873", "PersistentCIMap", "#1002872", "EvalTransform", "#1002867", "Prolog", "#1002884", // Yay! "IEngine", "#1002809", "Native", "#1002774", "ProgramScan", "#1000804", "SNLMatches", "#1002748", "SNLInfo", "#1002744", "Lisp", "#1002696", "Explain", "#1002529", "NanoHTTPD", "#1001651", "Source", "#1002461", "ShowBigText", "#1001425", "DialogIO", "#1001065", "Matches", "#1001496", "MultiMap", "#1001296", "MultiSet", "#1000988", "MultiHashSet", "#1003597", "PersistentLog", "#1001972", "PersistentMap", "#1002063", "PersistentTreeMap", "#1003529", "Rat", "#1002052", "DiskTextMap", "#1002087", "ImageSurface", "#1002470", "RGB", "#1002470", "RGBImage", "#1002470"); // the infamous missing functions (usually caused by class Matches) if (!hasCodeTokens(tok, "String", "unquote") && containsToken(tok, "unquote")) { print("Adding unquote"); tok = includeInMain(tok, "#1001735"); } if (!hasCodeTokens(tok, "String", "formatSnippetID") && containsToken(tok, "formatSnippetID")) { print("Adding formatSnippetID"); tok = includeInMain(tok, "#1000709"); } tok = expandShortTypes(tok); if (containsToken(tok, "cast")) { String s = join(tok); s = s.replaceAll("(\\w+<[\\w\\s,\\[\\]]+>|\\w+|\\w+\\[\\]|\\w+\\[\\]\\[\\])\\s+(\\w+)\\s*=\\s*cast(\\W[^;]*);", "$1 $2 = ($1) ($3);"); tok = jtok(s); } for (String keyword : ll("runnable", "r")) tok = replaceKeywordBlock(tok, keyword, "new Runnable() { public void run() { try {", "} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}}"); tok = replaceKeywordBlock(tok, "expectException", "{ bool __ok = false; try {", "} catch { __ok = true; } assertTrue(\"expected exception\", __ok); }"); while ((i = tok.indexOf("tex")) >= 0) { tok.set(i, "throws Exception"); tok = jtok(tok); } while ((i = findCodeTokens(tok, "while", "true")) >= 0) { tok.set(i+2, "(true)"); tok = jtok(tok); } // "null;" instead of "return null;" jreplace(tok, "{ null;", "$1 return null;"); jreplace(tok, "} null;", "$1 return null;"); jreplace(tok, "; null;", "$1 return null;"); jreplace(tok, ") null;", "$1 return null;"); // "false;" instead of "return false;" jreplace(tok, "{ false;", "{ return false;"); jreplace(tok, "} false;", "} return false;"); jreplace(tok, "; false;", "; return false;"); jreplace(tok, ") false;", ") return false;"); // "true;" instead of "return true;" jreplace(tok, "} true;", "} return true;"); jreplace(tok, "; true;", "; return true;"); jreplace(tok, ") true;", ") return true;"); // "myFunction;" instead of "myFunction();" - quite rough Object cond = new Object() { boolean check(List tok, int i) { String word = tok.get(i+3); //print("single word: " + word); return !litlist("break", "continue", "return").contains(word); } }; for (String pre : litlist("}", ";")) jreplace(tok, pre + " ;", "$1 $2();", cond); // shorter match syntax for answer methods jreplace(tok, "if ", "if (match($2, s, m))"); jreplace(tok, "if match ", "if (match($3, s, m))"); // extra commas ("litlist(1, 2,)") jreplace(tok, ",)", ")"); // additional translations (if necessary) if (hasCodeTokens(tok, "pcall", "{")) tok = replaceKeywordBlock(tok, "pcall", "try {", "} catch (Throwable __e) { printStackTrace(__e); }"); tok = dialogHandler(tok); tok = replaceKeywordBlock(tok, "exceptionToUser", "try {", "} catch (Throwable __e) { ret exceptionToUser(__e); }"); if (hasCodeTokens(tok, "twice", "{")) tok = replaceKeywordBlock(tok, "twice", "for (int __twice = 0; __twice < 2; __twice++) {", "}"); while ((i = findCodeTokens(tok, "repeat", "*", "{")) >= 0) { String v = makeVar("repeat"); tok.set(i, "for (int " + v + " = 0; " + v + " < " + tok.get(i+2) + "; " + v + "++)"); tok.set(i+2, ""); tok = jtok(tok); } tok = replaceKeywordBlockDyn(tok, "time", new Object() { String[] get() { String var = makeVar("startTime"); return new String[] { "{ long " + var + " = now(); try { ", "} finally { " + var + " = now()-" + var + "; saveTiming(" + var + "); } }"}; }}); if (hasCodeTokens(tok, "assertFail", "{")) { String var = makeVar("oops"); tok = replaceKeywordBlock(tok, "assertFail", "boolean " + var + " = false; try {", "\n" + var + " = true; } catch (Exception e) { /* ok */ } assertFalse(" + var + ");"); } tok = replaceKeywordBlock(tok, "yo", "try {", "} catch (Exception " + makeVar("e") + ") { ret false; }"); tok = replaceKeywordBlock(tok, "awtIfNecessary", "swingNowOrLater(r {", "});"); if (hasCodeTokens(tok, "ctex")) tok = ctex(tok); tok = replaceKeywordBlock(tok, "actionListener", "new java.awt.event.ActionListener() { " + "public void actionPerformed(java.awt.event.ActionEvent _evt) {", "}}"); namedThreads(tok); threads(tok); // try answer while ((i = findCodeTokens(tok, "try", "answer")) >= 0) { int j = findEndOfStatement(tok, i); String v = makeVar("a"); tok.set(i, "{ S " + v); tok.set(i+2, "="); tok.set(j-1, "; if (!empty(" + v + ")) ret " + v + "; }"); tok = jtok(tok); } tok = jtok(moveImportsUp(join(tok))); return tok; } static List multilineStrings(List tok) { for (int i = 1; i < tok.size(); i += 2) { String t = tok.get(i); if (t.startsWith("[") && isQuoted (t)) tok.set(i, quote(unquote(t))); } return tok; } static List quickmain(List tok) { int i = findCodeTokens(tok, "main", "{"); if (i < 0) i = findCodeTokens(tok, "m", "{"); if (i >= 0 && !(i-2 > 0 && tok.get(i-2).equals("class"))) tok.set(i, "public class main"); i = findCodeTokens(tok, "psvm", "{"); if (i < 0) i = findCodeTokens(tok, "p", "{"); if (i >= 0) tok.set(i, "public static void main(String[] args) throws Exception"); return jtok(tok); } static String makeVar(String name) { return "_" + name + "_" + varCount++; } static String makeVar() { return makeVar(""); } /*static L standardFunctions(L tok) { ret rtq(tok, "#1002474"); }*/ static List rtq(List tok, String id) { return runTranslatorQuick(tok, id); } static List expandShortTypes(List tok) { // replace with for (int i = 1; i+4 < tok.size(); i += 2) if (tok.get(i).equals("<") && litlist(">", ",").contains(tok.get(i+4))) { String type = tok.get(i+2); if (type.equals("int")) type = "Integer"; else if (type.equals("long")) type = "Long"; tok.set(i+2, type); } // O = Object, S = String, ret = return for (int i = 1; i < tok.size(); i += 2) { String t = tok.get(i); if (t.equals("O")) t = "Object"; if (t.equals("S")) t = "String"; else if (t.equals("L")) t = "List"; else if (t.equals("F")) t = "Function"; else if (t.equals("ret")) t = "return"; else if (t.equals("bool") && i+2 < tok.size() && neq(tok.get(i+2), "(")) t = "boolean"; // bool -> boolean if it's not a function name tok.set(i, t); } return tok; } static List autoImports(List tok) { String s = join(tok); List imports = findImports(s); StringBuilder buf = new StringBuilder(); for (String c : standardImportClasses) if (!(imports.contains(c))) buf.append("import " + c + ";\n"); if (buf.length() == 0) return tok; return jtok(buf+s); } static String[] standardImportClasses = { "java.util.*", "java.util.zip.*", "java.util.List", "java.util.regex.*", "java.util.concurrent.*", "java.util.concurrent.atomic.*", "javax.swing.*", "javax.swing.event.*", "javax.swing.text.*", "javax.swing.table.*", "java.io.*", "java.net.*", "java.lang.reflect.*", "java.lang.ref.*", "java.lang.management.*", "java.security.*", "java.security.spec.*", "java.awt.*", "java.awt.event.*", "java.awt.image.*", "javax.imageio.*", "java.math.*" }; static List expandStarConstructors(List tok) { mainLoop: for (int i = 3; i+6 < tok.size(); i += 2) { String t = tok.get(i), l = tok.get(i-2); if (!t.equals("*")) continue; if (!tok.get(i+2).equals("(")) continue; if (!eqOneOf(l, "}", "public", "private", "protected", ";", "{")) // is this correct...?? continue; // ok, it seems like a constructor declaration. // Now find class name by going backwards. int j = i, level = 1; while (j > 0 && level > 0) { t = tok.get(j); if (t.equals("}")) ++level; if (t.equals("{")) --level; j -= 2; } while (j > 0) { t = tok.get(j); if (t.equals("class")) { String className = tok.get(j+2); tok.set(i, className); // exchange constructor name! // now for the parameters. // Syntax: *(Learner *learner) { // We will surely add type inference here in time... :) j = i+2; while (!tok.get(j).equals("{")) j += 2; int block = j+1; for (int k = i+2; k < block-1; k += 2) if (tok.get(k).equals("*")) { tok.remove(k); tok.remove(k); block -= 2; String name = tok.get(k); tok.addAll(block, Arrays.asList(new String[] { "\n ", "this", "", ".", "", name, " ", "=", " ", name, "", ";" })); } continue mainLoop; } j -= 2; } } return tok; } static List processIncludes(List tok) { int safety = 0; while (hasCodeTokens(tok, "!", "include") && ++safety < 100) tok = processIncludesSingle(tok); return tok; } static List processIncludesSingle(List tok) { String s = join(tok); Matcher m = Pattern.compile("\n\\s*!include (#\\d+)").matcher(s); StringBuffer buf = new StringBuffer(); while (m.find()) { String includedSrc = loadSnippet(m.group(1)); m.appendReplacement(buf, m.quoteReplacement("\n" + includedSrc)); } m.appendTail(buf); return jtok(str(buf)); } static List ctex(List tok) { String s = join(tok); Pattern regex = Pattern.compile("\\s+(no\\s+exceptions|ctex|null on exception)\\s*\\{"); for (int i = 0; i < 100; i++) { Matcher matcher = regex.matcher(s); if (!matcher.find()) break; String kind = matcher.group(1); System.out.println("Iteration " + (i+1)); int start = matcher.start(), end = matcher.end(); int endOfBlock = ctex_findEndOfBlock(s, end); String catchBlock, catchWhat; if (kind.startsWith("null")) { catchBlock = "return null;"; catchWhat = "Throwable"; } else { catchBlock = "throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e);"; catchWhat = "Throwable"; } String tryBlock = " { try {\n " + s.substring(end, endOfBlock) + "\n} catch (" + catchWhat + " __e) { " + catchBlock + " }"; s = s.substring(0, start) + tryBlock + s.substring(endOfBlock); } return jtok(s); } // start is the index AFTER the opening bracket // returns index OF closing bracket static int ctex_findEndOfBlock(String s, int start) { int level = 1; for (int i = start; i < s.length(); i++) { if (s.charAt(i) == '{') ++level; else if (s.charAt(i) == '}') --level; if (level == 0) return i; } return s.length(); } static List dialogHandler(List tok) { return replaceKeywordBlock(tok, "dialogHandler", "new DialogHandler() {\n" + "public void run(final DialogIO io) {", "}}"); } /*static S defaultTrans(S s) { findTranslators... }*/ static String quicknew(String s) { // TODO: switch to tokenizing! s = s.replaceAll("new\\s+(\\w+)\\s+(\\w+);", "$1 $2 = new $1();"); s = s.replaceAll("new\\s+L<([\\w\\[\\]<>,\\s]+)>\\s+(\\w+);", "List<$1> $2 = new ArrayList<$1>();"); s = s.replaceAll("new\\s+List<([\\w\\[\\]<>,\\s]+)>\\s+(\\w+);", "List<$1> $2 = new ArrayList<$1>();"); s = s.replaceAll("new\\s+\\(Hash\\)Set<(\\w+)>\\s+(\\w+);", "Set<$1> $2 = new HashSet<$1>();"); s = s.replaceAll("new\\s+\\(Tree\\)Set<(\\w+)>\\s+(\\w+);", "Set<$1> $2 = new TreeSet<$1>();"); s = s.replaceAll("new\\s+Set<(\\w+)>\\s+(\\w+);", "Set<$1> $2 = new TreeSet<$1>();"); // TreeSet now default - pay attention to explicitly say HashSet if you need it. s = s.replaceAll("new\\s+\\(Hash\\)Map<([\\w\\s,]+)>\\s+(\\w+);", "Map<$1> $2 = new HashMap<$1>();"); s = s.replaceAll("new\\s+\\(Tree\\)Map<([\\w\\s,]+)>\\s+(\\w+);", "Map<$1> $2 = new TreeMap<$1>();"); // TreeMap when string as key s = s.replaceAll("new\\s+Map<(S,[\\w\\s,]+)>\\s+(\\w+);", "Map<$1> $2 = new TreeMap<$1>();"); s = s.replaceAll("new\\s+Map<(String,[\\w\\s,]+)>\\s+(\\w+);", "Map<$1> $2 = new TreeMap<$1>();"); // HashMap is default for everything else s = s.replaceAll("new\\s+Map<([\\w\\s,]+)>\\s+(\\w+);", "Map<$1> $2 = new HashMap<$1>();"); s = s.replaceAll("new\\s+(\\w+<[\\w\\s,]+>)\\s+(\\w+);", "$1 $2 = new $1();"); // Constructor calls without parantheses // So you can say something like: predictors.add(new P1()); s = s.replaceAll("new\\s+(\\w+)\\s*([,\\);:])", "new $1()$2"); // replace "new List" with "new ArrayList" s = s.replaceAll("new\\s+List\\s*\\(", "new ArrayList("); // for args s = s.replace("for (int i = 0; i < args.length; i++) { final String arg = args[i];", "for (int i = 0; i < args.length; i++) { final String arg = args[i];"); return s; } static List extendClasses(List tok) { int i; while ((i = jfind(tok, "extend {")) >= 0) { String className = tok.get(i+2); int idx = findCodeTokens(tok, i, false, "{"); int j = findEndOfBracketPart(tok, idx+2); String content = join(subList(tok, idx+1, j-1)); List c = findInnerClassOfMain(tok, className); clearTokens(tok.subList(i, j+1)); if (c == null) { print("Warning: Can't extend class " + className + ", not found"); continue; } int endOfClass = magicIndexOfSubList(tok, c) + l(c)-1; while (neq(tok.get(endOfClass), "}")) --endOfClass; tok.set(endOfClass, content + "\n" + tok.get(endOfClass)); reTok(tok); // changed in 2 places, let's retok it all } return tok; } static void listComprehensions(List tok) { int i; while ((i = jfind(tok, "[ in")) >= 0) { Map bracketMap = getBracketMap(tok); String type = tok.get(i+2), id = tok.get(i+4); int j = scanOverExpression(tok, bracketMap, i+8, "|"); String exp = join(tok.subList(i+8, j)); j += 2; int k = scanOverExpression(tok, bracketMap, j, "]"); String where = join(tok.subList(j, k)); ++k; String code = "filter(" + exp + ", func(" + type + " " + id + ") { " + where + " })"; replaceTokens(tok, i, k, code); reTok(tok, i, k); } } // lib 123 => !123 static void libs(List tok) { Set libs = new TreeSet(); int i; while ((i = jfind(tok, "lib ")) >= 0) { String id = tok.get(i+2); print("lib " + id); if (!libs.contains(id)) { libs.add(id); tok.set(i, "!"); tok.set(i+1, ""); } else { print("...ignoring (duplicate)"); clearAllTokens(tok, i, i+3); reTok(tok, i, i+3); } } } // sourceCodeLine() => 1234 static void sourceCodeLine(List tok) { int i ; while ((i = jfind(tok, "sourceCodeLine()")) >= 0) { replaceTokens(tok, i, i+5, str(countChar(join(subList(tok, 0, i)), '\n')+1)); reTok(tok, i, i+5); } } // done before any other processing static void earlyStuff(List tok) { int i; // Note: this makes the word "quine" a special operator // (unusable as a function name) while ((i = jfind(tok, "quine(")) >= 0) { int idx = findCodeTokens(tok, i, false, "("); int j = findEndOfBracketPart(tok, idx+2); tok.set(i, "new Quine"); tok.set(idx, "(" + quote(join(subList(tok, idx+1, j-1))) + ", "); reTok(tok, i, idx+1); } } static void throwFail(List tok) { boolean anyChange = false; for (int i = 1; i+2 < l(tok); i += 2) if (eq(get(tok, i+2), "fail") && !eqOneOf(get(tok, i), "throw", "RuntimeException", "return")) { tok.set(i+2, "throw fail"); anyChange = true; } if (anyChange) reTok(tok); } static void namedThreads(List tok) { for (int i = 0; i < 100; i++) { int idx = findCodeTokens(tok, "thread", "*", "{"); if (idx < 0) break; int j = findEndOfBracketPart(tok, idx+4); String tName = tok.get(idx+2); String var = "_t_" + i; String pre = "{ Thread " + var + " = new Thread(" + tName + ") {\n" + "public void run() {\n" + "try"; String post = "} catch (Exception _e) {\n" + " throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }\n};\n" + var + ".start(); }"; tok.set(idx, pre); tok.set(idx+2, ""); tok.set(j-1, post); reTok(tok, idx, j); } } static void threads(List tok) { for (boolean daemon : litlist(false, true)) for (int i = 0; i < 100; i++) { int idx = findCodeTokens(tok, daemon ? "daemon" : "thread", "{"); if (idx < 0) break; int j = findEndOfBracketPart(tok, idx+2); String var = "_t_" + i; String pre = "{ Thread " + var + " = new Thread() {\n" + "public void run() {\n" + "try"; String post = "} catch (Exception _e) {\n" + " throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }\n};\n" + (daemon ? var + ".setDaemon(true);\n" : "") + var + ".start(); }"; tok.set(idx, pre); tok.set(j-1, post); reTok(tok, idx, j); } } static Map sf; static List standardFunctions(List tok) { if (sf == null) { List standardFunctions = (List) loadVariableDefinition( loadSnippet("#761"), "standardFunctions"); sf = new HashMap(); for (String x : standardFunctions) { String[] f = x.split("/"); sf.put(f[1], f[0]); } } for (int i = 0; ; i++) { Set defd = new HashSet(findFunctions(tok)); // changes tok Set invocations = findFunctionInvocations(tok, sf); //print("Functions invoked: " + structure(invocations)); List needed = diff(invocations, defd); if (needed.isEmpty()) break; print("Adding functions: " + join(" " , needed)); List added = new ArrayList(); StringBuilder buf = new StringBuilder(); List preload = new ArrayList(); for (String x : needed) if (sf.containsKey(x)) preload.add(sf.get(x)); cachePreload(preload); for (String x : needed) { if (defd.contains(x)) continue; String id = sf.get(x); if (id == null) { print("Standard function " + x + " not found."); continue; } //print("Adding function: " + x + " (" + id + ")"); String function = cacheGet(id); if (("\n" + function).contains("\n!")) print("Warning: " + id + " contains translators."); buf.append(function).append("\n"); added.add(x); defd.addAll(findFunctionDefinitions(function)); } tok = includeInMainLoaded(tok, str(buf)); defd = new HashSet(findFunctions(tok)); //print("Functions added: " + structure(added)); for (String x : needed) if (!defd.contains(x)) { print(join(tok)); fail("Function not defined properly: " + x); } //print("Iteration " + (i+2)); if (i >= 1000) fail("Too many iterations"); } return tok; } static List findFunctions(List tok) { //ret findFunctionDefinitions(join(findMainClass(tok))); return findFunctionDefs(findMainClass(tok)); } static String cacheGet(String snippetID) { snippetID = formatSnippetID(snippetID); String text = snippetCache.get(snippetID); if (text == null) snippetCache.put(snippetID, text = loadSnippet(snippetID)); return text; } static void cachePreload(List ids) { List needed = new ArrayList(); for (String id : ids) if (!snippetCache.containsKey(formatSnippetID(id))) needed.add(formatSnippetID(id)); if (l(needed) > 1) { List texts = loadSnippets(needed); for (int i = 0; i < l(needed); i++) if (texts.get(i) != null) snippetCache.put(needed.get(i), texts.get(i)); } } static List jtok(List tok) { return jtok(join(tok)); } static List jtok(String s) { List l = javaTok(s); return useIndexedList ? new IndexedList2(l) : l; } /* static L loadClass(L tok, S className, S snippetID) { if (containsToken(tok, className) && !hasCodeTokens(tok, "class", className) && !hasCodeTokens(tok, "interface", className) && !tok_importsClassNamed(tok, className)) { snippetID = formatSnippetID(snippetID); S text = cacheGet(snippetID); tok = includeInMainLoaded(tok, text); } ret tok; } */ // works on Java level (no "sclass" etc) static void addLibraryClasses(List tok, String... data) { HashSet have = new HashSet(); for (List c : innerClassesOfMain(tok)) have.add(getClassDeclarationName(c)); have.addAll(tok_importedClassNames(tok)); List idx = IndexedList2.ensureIndexed(tok); for (int i = 0; i+1 < l(data); i++) { String className = data[i], snippetID = data[i+1]; if (idx.contains(className) && !have.contains(className)) { snippetID = formatSnippetID(snippetID); String text = cacheGet(snippetID); includeInMainLoaded(tok, text); } } } static ArrayList ll(A... a) { return litlist(a); } // i must point at the opening bracket (any of the 2 types, not type parameters) // index returned is index of closing bracket + 1 static int findEndOfBracketPart(List cnc, int i) { int j = i+2, level = 1; while (j < cnc.size()) { if (litlist("{", "(").contains(cnc.get(j))) ++level; else if (litlist("}", ")").contains(cnc.get(j))) --level; if (level == 0) return j+1; ++j; } return cnc.size(); } static String format3(String pat, Object... args) { if (args.length == 0) return pat; List tok = javaTokPlusPeriod(pat); int argidx = 0; for (int i = 1; i < tok.size(); i += 2) if (tok.get(i).equals("*")) tok.set(i, format3_formatArg(argidx < args.length ? args[argidx++] : "null")); return join(tok); } static String format3_formatArg(Object arg) { if (arg == null) return "null"; if (arg instanceof String) { String s = (String) arg; return isIdentifier(s) || isNonNegativeInteger(s) ? s : quote(s); } if (arg instanceof Integer || arg instanceof Long) return String.valueOf(arg); return quote(structure(arg)); } static Map getBracketMap(List tok) { Map map = new HashMap(); List stack = new ArrayList(); for (int i = 1; i < l(tok); i+= 2) { if (litlist("{", "(").contains(tok.get(i))) stack.add(i); else if (litlist("}", ")").contains(tok.get(i))) { if (!empty(stack)) map.put(liftLast(stack), i); } } return map; } static List> innerClassesOfMain(List tok) { return innerClasses(findTopLevelClass(tok, "main")); } static Class run(String progID, String... args) { Class main = hotwire(progID); callMain(main, args); return main; } static int countChar(String s, char c) { int n = 0, l = l(s); for (int i = 0; i < l; i++) if (s.charAt(i) == c) ++n; return n; } static int identityHashCode(Object o) { return System.identityHashCode(o); } static String quote(String s) { if (s == null) return "null"; return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\""; } static String quote(long l) { return quote("" + l); } static String quote(char c) { return quote("" + c); } static List includeInMain(List tok, String snippetID) { return includeInMainLoaded(tok, loadSnippet(snippetID)); } static String trim(String s) { return s == null ? null : s.trim(); } static String trim(StringBuilder buf) { return buf.toString().trim(); } static String trim(StringBuffer buf) { return buf.toString().trim(); } // supports the usual quotings (', ", variable length double brackets) static boolean isQuoted(String s) { if (s.startsWith("'") || s.startsWith("\"")) return true; if (!s.startsWith("[")) return false; int i = 1; while (i < s.length() && s.charAt(i) == '=') ++i; return i < s.length() && s.charAt(i) == '['; //return Pattern.compile("^\\[=*\\[").matcher(s).find(); } static void replaceTokens(List tok, int i, int j, String s) { clearAllTokens(subList(tok, i, j)); tok.set(i, s); } // Finds out the index of a sublist in the original list // Works with nested (grand-parent) sublists. // Does not work with lists not made with subList() static int magicIndexOfSubList(List list, List sublist) { Integer o1 = (Integer) ( getOpt(list, "offset")); int o2 = (int) ( get(sublist, "offset")); return o2-(o1 != null ? o1 : 0); } static Set findFunctionDefs_keywords = new HashSet(splitAtSpace("static svoid ssynchronized sbool sS sO sL")); static List findFunctionDefs(List tok) { int n = l(tok); List functions = new ArrayList(); for (int i = 1; i < n; i += 2) { String t = tok.get(i); if (findFunctionDefs_keywords.contains(t)) { int j = i+2; while (j < n && !eqOneOf(tok.get(j), ";", "=", "(", "{")) j += 2; if (eq(get(tok, j), "(") && isIdentifier(tok.get(j-2))) functions.add(tok.get(j-2)); } } return functions; } static String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } public static String join(String glue, Iterable strings) { StringBuilder buf = new StringBuilder(); Iterator i = strings.iterator(); if (i.hasNext()) { buf.append(i.next()); while (i.hasNext()) buf.append(glue).append(i.next()); } return buf.toString(); } public static String join(String glue, String[] strings) { return join(glue, Arrays.asList(strings)); } public static String join(Iterable strings) { return join("", strings); } public static String join(String[] strings) { return join("", strings); } static int findCodeTokens(List tok, String... tokens) { return findCodeTokens(tok, 1, false, tokens); } static int findCodeTokens(List tok, boolean ignoreCase, String... tokens) { return findCodeTokens(tok, 1, ignoreCase, tokens); } static int findCodeTokens(List tok, int startIdx, boolean ignoreCase, String... tokens) { return findCodeTokens(tok, startIdx, ignoreCase, tokens, null); } static List findCodeTokens_specials = litlist("*", "", "", "", "\\*"); static boolean findCodeTokens_debug; static int findCodeTokens_indexed, findCodeTokens_unindexed; static int findCodeTokens(List tok, int startIdx, boolean ignoreCase, String[] tokens, Object condition) { if (findCodeTokens_debug) { if (eq(getClassName(tok), "main$IndexedList2")) findCodeTokens_indexed++; else findCodeTokens_unindexed++; } // bail out early if first token not found (works great with IndexedList) if (!findCodeTokens_specials.contains(tokens[0]) && !tok.contains(tokens[0] /*, startIdx << no signature in List for this, unfortunately */)) return -1; outer: for (int i = startIdx | 1; i+tokens.length*2-2 < tok.size(); i += 2) { for (int j = 0; j < tokens.length; j++) { String p = tokens[j], t = tok.get(i+j*2); boolean match; if (eq(p, "*")) match = true; else if (eq(p, "")) match = isQuoted(t); else if (eq(p, "")) match = isIdentifier(t); else if (eq(p, "")) match = isInteger(t); else if (eq(p, "\\*")) match = eq("*", t); else match = ignoreCase ? eqic(p, t) : eq(p, t); if (!match) continue outer; } if (condition == null || checkCondition(condition, tok, i-1)) // pass N index return i; } return -1; } static boolean neq(Object a, Object b) { return !eq(a, b); } static boolean containsToken(List tok, String token) { return tok.contains(token); } static int indexOf(List l, A a, int startIndex) { if (l == null) return -1; for (int i = startIndex; i < l(l); i++) if (eq(l.get(i), a)) return i; return -1; } static int indexOf(List l, A a) { if (l == null) return -1; return l.indexOf(a); } static List findInnerClassOfMain(List tok, String className) { for (List c : innerClassesOfMain(tok)) { String name = getClassDeclarationName(c); if (eq(name, className)) return c; } return null; } static String getClassDeclarationName(List c) { for (int i = 1; i+2 < c.size(); i += 2) if (eqOneOf(c.get(i), "class", "interface")) return c.get(i+2); return null; } static List tok_importedClassNames(List tok) { List names = new ArrayList(); for (int i = 1; i < l(tok); i += 2) if (eq(tok.get(i), "import")) { int j = findEndOfStatement(tok, i); // index of ;+1 names.add(get(tok, j-3)); i = j-1; } return names; } static boolean eqOneOf(Object o, Object... l) { for (Object x : l) if (eq(o, x)) return true; return false; } static boolean findFunctionInvocations_debug; // these prefix tokens mark a non-invocation static Set findFunctionInvocations_pre = new HashSet(litlist(".", "void", "S", "String", "int")); // sf = set of functions to search for or null for any function static Set findFunctionInvocations(List tok, Map sf) { int i; Set l = new HashSet(); while ((i = jfind(tok, "please include function *.")) >= 0) { String fname = tok.get(i+6); l.add(fname); clearAllTokens(tok.subList(i, i+10)); } boolean result = false; for (i = 1; i+2 < tok.size(); i += 2) { String f = tok.get(i); if (!isIdentifier(f)) continue; if (findFunctionInvocations_debug) System.out.println("Testing identifier " + f); if (!tok.get(i+2).equals("(")) continue; if (i == 1 || !findFunctionInvocations_pre.contains(tok.get(i-2)) || eq(get(tok, i-2), ".") && eq(get(tok, i-4), "main")) { boolean inSF = sf == null || sf.containsKey(f); if (findFunctionInvocations_debug) System.out.println("Possible invocation: " + f + ", inSF: " + inSF); if (inSF) l.add(f); } } return l; } static int jfind(List tok, String in) { List tokin = javaTok(in); jfind_preprocess(tokin); return findCodeTokens(tok, false, toStringArray(codeTokensOnly(tokin))); } static void jfind_preprocess(List tok) { for (String type : litlist("quoted", "id", "int")) replaceSublist(tok, litlist("<", "", type, "", ">"), litlist("<" + type + ">")); } // keyword can comprise multiple tokens now (like "p-awt"} static List replaceKeywordBlock(List tok, String keyword, String beg, String end) { boolean change = false; for (int n = 0; n < 1000; n++) { int i = jfind(tok, keyword + " {"); if (i < 0) break; int idx = findCodeTokens(tok, i, false, "{"); int j = findEndOfBracketPart(tok, idx+2); change = true; tok.set(j-1, end); replaceTokens(tok, i, idx+1, beg); reTok(tok, i, j); } //if (change) reTok(tok); return tok; } static List diff(Collection a, Collection b) { Set set = asSet(b); List l = new ArrayList(); for (String s : a) if (!set.contains(s)) l.add(s); return l; } static boolean eq(Object a, Object b) { if (a == null) return b == null; if (a.equals(b)) return true; if (a instanceof BigInteger) { if (b instanceof Integer) return a.equals(BigInteger.valueOf((Integer) b)); if (b instanceof Long) return a.equals(BigInteger.valueOf((Long) b)); } return false; } static void clearTokens(List tok) { clearAllTokens(tok); } static void clearTokens(List tok, int i, int j) { clearAllTokens(tok, i, j); } static String str(Object o) { return String.valueOf(o); } static RuntimeException fail() { throw new RuntimeException("fail"); } static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); } static RuntimeException fail(String msg) { throw new RuntimeException(unnull(msg)); } // disabled for now to shorten some programs /*static RuntimeException fail(S msg, O... args) { throw new RuntimeException(format(msg, args)); }*/ // It's rough but should work if you don't make anonymous classes inside the statement or something... // Return value is index of semicolon+1 static int findEndOfStatement(List cnc, int i) { int j = indexOf(cnc, ";", i); return j < 0 ? l(cnc)-1 : j+1; } static List toLinesFullTrim(String s) { List l = toLines(s); for (ListIterator i = l.listIterator(); i.hasNext(); ) { String line = i.next().trim(); if (line.length() == 0) i.remove(); else i.set(line); } return l; } static String getType(Object o) { return getClassName(o); } static String defaultTranslate(String text) { Class javax = getJavaX(); File x = makeTempDir(); saveTextFile(new File(x, "main.java"), text); List libraries_out = new ArrayList(); File y = (File) call(javax, "defaultTranslate", x, libraries_out); if (y == null) return null; return loadTextFile(new File(y, "main.java")); } static boolean booleanValue(Object o) { return eq(true, o); } static boolean hasCodeTokens(List tok, String... tokens) { return findCodeTokens(tok, tokens) >= 0; } static void saveMainJava(String s) throws IOException { if (mainJava != null) mainJava = s; else saveTextFile("output/main.java", s); } static void saveMainJava(List tok) throws IOException { saveMainJava(join(tok)); } // returns index of endToken static int scanOverExpression(List tok, Map bracketMap, int i, String endToken) { while (i < l(tok)) { if (eq(endToken, tok.get(i))) return i; Integer j = bracketMap.get(i); if (j != null) i = j+1; else i++; } return i; } // optionally convert expression to return statement static String tok_addReturn(List tok) { String lastToken = get(tok, l(tok)-2); //print("addReturn: " + structure(tok) + ", lastToken: " + quote(lastToken)); if (eq(lastToken, "}") || eq(lastToken, ";")) return join(tok); return "ret " + join(tok) + ";"; } static String tok_addReturn(String s) { return tok_addReturn(javaTok(s)); } // replacement for class JavaTok // maybe incomplete, might want to add floating point numbers // todo also: extended multi-line strings static int javaTok_n, javaTok_elements; static boolean javaTok_opt; static List javaTok(String s) { return javaTok(s, null); } static List javaTok(String s, List existing) { ++javaTok_n; int nExisting = javaTok_opt && existing != null ? existing.size() : 0; List tok = existing != null ? new ArrayList(nExisting) : new ArrayList(); int l = s.length(); int i = 0, n = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } if (n < nExisting && javaTok_isCopyable(existing.get(n), s, i, j)) tok.add(existing.get(n)); else tok.add(quickSubstring(s, i, j)); ++n; i = j; if (i >= l) break; c = s.charAt(i); // cc is not needed in rest of loop body cc = s.substring(i, Math.min(i+2, l)); // scan for non-whitespace if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't" else if (Character.isDigit(c)) { do ++j; while (j < l && Character.isDigit(s.charAt(j))); if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L } else if (cc.equals("[[")) { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (cc.equals("[=") && i+2 < l && s.charAt(i+2) == '[') { do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]")); j = Math.min(j+3, l); } else ++j; if (n < nExisting && javaTok_isCopyable(existing.get(n), s, i, j)) tok.add(existing.get(n)); else tok.add(quickSubstring(s, i, j)); ++n; i = j; } if ((tok.size() % 2) == 0) tok.add(""); javaTok_elements += tok.size(); return tok; } static List javaTok(List tok) { return javaTok(join(tok), tok); } static boolean javaTok_isCopyable(String t, String s, int i, int j) { return t.length() == j-i && s.regionMatches(i, t, 0, j-i); // << could be left out, but that's brave } static boolean findFunctionDefinitions_debug; static List findFunctionDefinitions(String src) { Pattern pattern = Pattern.compile("(?:static|svoid|ssynchronized|sbool|^sS|^sO|^sL)[^={]*\\s+(\\w+)\\s*\\("); //System.out.println("Scanning for functions"); List functions = new ArrayList(); for (String line : toLines(src)) { Matcher matcher = pattern.matcher(line); if (matcher.find()) { String f = matcher.group(1); functions.add(f); if (findFunctionDefinitions_debug) System.out.println("Function found: " + f + " in line: " + line); } } return functions; } public static String fromLines(List lines) { StringBuilder buf = new StringBuilder(); if (lines != null) for (String line : lines) buf.append(line).append('\n'); return buf.toString(); } static boolean startsWithLowerCase(String s) { return nempty(s) && Character.isLowerCase(s.charAt(0)); } static Map runTranslatorQuick_cache = new TreeMap(); static synchronized String runTranslatorQuick(String text, String translatorID) { translatorID = formatSnippetID(translatorID); Class c = runTranslatorQuick_cache.get(translatorID); print("runTranslatorQuick " + programID() + " " + identityHashCode(main.class) + " CACHE " + identityHashCode(runTranslatorQuick_cache) + " " + structure(runTranslatorQuick_cache.keySet()) + " " + (c != null ? "CACHED" : "LOAD") + ": " + translatorID); if (c == null) { //printStackTrace(); c = hotwire(translatorID); print("runTranslatorQuick " + programID() + " " + identityHashCode(main.class) + " CACHE " + identityHashCode(runTranslatorQuick_cache) + " " + structure(runTranslatorQuick_cache.keySet()) + " STORE: " + translatorID + " " + identityHashCode(c)); runTranslatorQuick_cache.put(translatorID, c); } set(c, "mainJava", text); callMain(c); return (String) get(c, "mainJava"); } static List runTranslatorQuick(List tok, String translatorID) { return javaTok(runTranslatorQuick(join(tok), translatorID)); } static List findImports(String src) { List imports = new ArrayList(); for (String line : toLines(src)) { Matcher matcher = Pattern.compile("^\\s*import\\s+(.*?)\\s*;").matcher(line); if (matcher.find()) imports.add(matcher.group(1)); } return imports; } static ArrayList litlist(A... a) { return new ArrayList(Arrays.asList(a)); } // get purpose 1: access a list/array (safer version of x.get(y)) static A get(List l, int idx) { return idx >= 0 && idx < l(l) ? l.get(idx) : null; } static A get(A[] l, int idx) { return idx >= 0 && idx < l(l) ? l[idx] : null; } // get purpose 2: access a field by reflection or a map static Object get(Object o, String field) { if (o instanceof Class) return get((Class) o, field); if (o instanceof Map) return ((Map) o).get(field); if (o.getClass().getName().equals("main$DynamicObject")) return call(get_raw(o, "fieldValues"), "get", field); return get_raw(o, field); } static Object get_raw(Object o, String field) { try { Field f = get_findField(o.getClass(), field); f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field get_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static Field get_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static long now_virtualTime; static long now() { return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis(); } static List toLines(File f) { return toLines(loadTextFile(f)); } public static List toLines(String s) { List lines = new ArrayList(); if (s == null) return lines; int start = 0; while (true) { int i = toLines_nextLineBreak(s, start); if (i < 0) { if (s.length() > start) lines.add(s.substring(start)); break; } lines.add(s.substring(start, i)); if (s.charAt(i) == '\r' && i+1 < s.length() && s.charAt(i+1) == '\n') i += 2; else ++i; start = i; } return lines; } private static int toLines_nextLineBreak(String s, int start) { for (int i = start; i < s.length(); i++) { char c = s.charAt(i); if (c == '\r' || c == '\n') return i; } return -1; } static List loadSnippets(String... ids) { return loadSnippets(asList(ids)); } static List loadSnippets(List ids) { try { List texts = new ArrayList(); Map map = jsonDecodeMap(doPost( "ids=" + urlencode(join(" ", parseSnippetIDs(ids))), "http://tinybrain.de:8080/get-multi.php")); for (String id : ids) texts.add(lookupSnippetID(map, id)); return texts; } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static boolean preferCached = false; static boolean loadSnippet_debug = false; public static String loadSnippet(String snippetID) { try { return loadSnippet(parseSnippetID(snippetID), preferCached); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadSnippet(String snippetID, boolean preferCached) throws IOException { return loadSnippet(parseSnippetID(snippetID), preferCached); } public static String loadSnippet(long snippetID, boolean preferCached) throws IOException { String text; // boss bot disabled for now for shorter transpilations /*text = getSnippetFromBossBot(snippetID); if (text != null) return text;*/ initSnippetCache(); text = DiskSnippetCache_get(snippetID); if (preferCached && text != null) return text; try { if (loadSnippet_debug && text != null) System.err.println("md5: " + md5(text)); URL url = new URL("http://tinybrain.de:8080/getraw.php?id=" + snippetID + "&utf8=1"); text = loadPage(url); } catch (RuntimeException e) { e.printStackTrace(); throw new IOException("Snippet #" + snippetID + " not found or not public"); } try { initSnippetCache(); DiskSnippetCache_put(snippetID, text); } catch (IOException e) { System.err.println("Minor warning: Couldn't save snippet to cache (" + DiskSnippetCache_getDir() + ")"); } return text; } static File DiskSnippetCache_dir; public static void initDiskSnippetCache(File dir) { DiskSnippetCache_dir = dir; dir.mkdirs(); } public static synchronized String DiskSnippetCache_get(long snippetID) throws IOException { return loadTextFile(DiskSnippetCache_getFile(snippetID).getPath(), null); } private static File DiskSnippetCache_getFile(long snippetID) { return new File(DiskSnippetCache_dir, "" + snippetID); } public static synchronized void DiskSnippetCache_put(long snippetID, String snippet) throws IOException { saveTextFile(DiskSnippetCache_getFile(snippetID).getPath(), snippet); } public static File DiskSnippetCache_getDir() { return DiskSnippetCache_dir; } public static void initSnippetCache() { if (DiskSnippetCache_dir == null) initDiskSnippetCache(new File(System.getProperty("user.home"), ".tinybrain/snippet-cache")); } // func returns S[] {beg, end} static List replaceKeywordBlockDyn(List tok, String keyword, Object func) { for (int i = 0; i < 1000; i++) { int idx = findCodeTokens(tok, keyword, "{"); if (idx < 0) break; int j = findEndOfBracketPart(tok, idx+2); String[] be = (String[]) callF(func); tok.set(idx, be[0]); tok.set(idx+1, " "); tok.set(idx+2, ""); tok.set(j-1, be[1]); reTok(tok, idx, j); } return tok; } static Set asSet(Object[] array) { HashSet set = new HashSet(); for (Object o : array) if (o != null) set.add(o); return set; } static Set asSet(String[] array) { TreeSet set = new TreeSet(); for (String o : array) if (o != null) set.add(o); return set; } static Set asSet(Collection l) { TreeSet set = new TreeSet(); for (String o : l) if (o != null) set.add(o); return set; } static Object loadVariableDefinition(String varName) { return loadVariableDefinition(getProgramID(), varName); } // currently only works with string lists ("= litlist(...)") // and strings. static Object loadVariableDefinition(String progIDOrSrc, String varName) { if (isSnippetID(progIDOrSrc)) progIDOrSrc = loadSnippet(progIDOrSrc); List tok = javaTok(progIDOrSrc); int i = findCodeTokens(tok, varName, "="); if (i < 0) return null; i += 4; if (isQuoted(tok.get(i))) return unquote(tok.get(i)); if (eq(get(tok, i), "litlist") && eq(get(tok, i+2), "(")) { int opening = i+2; int closing = findEndOfBracketPart(tok, opening)-1; List l = new ArrayList(); for (i = opening+2; i < closing; i += 4) l.add(unquote(tok.get(i))); return l; } throw fail("Unknown variable type or no definition in source: " + shorten(progIDOrSrc, 100) + "/" + varName); } public static String unquote(String s) { if (s == null) return null; if (s.startsWith("[")) { int i = 1; while (i < s.length() && s.charAt(i) == '=') ++i; if (i < s.length() && s.charAt(i) == '[') { String m = s.substring(1, i); if (s.endsWith("]" + m + "]")) return s.substring(i+1, s.length()-i-1); } } if (s.startsWith("\"") /*&& s.endsWith("\"")*/ && s.length() > 1) { String st = s.substring(1, s.endsWith("\"") ? s.length()-1 : s.length()); StringBuilder sb = new StringBuilder(st.length()); for (int i = 0; i < st.length(); i++) { char ch = st.charAt(i); if (ch == '\\') { char nextChar = (i == st.length() - 1) ? '\\' : st .charAt(i + 1); // Octal escape? if (nextChar >= '0' && nextChar <= '7') { String code = "" + nextChar; i++; if ((i < st.length() - 1) && st.charAt(i + 1) >= '0' && st.charAt(i + 1) <= '7') { code += st.charAt(i + 1); i++; if ((i < st.length() - 1) && st.charAt(i + 1) >= '0' && st.charAt(i + 1) <= '7') { code += st.charAt(i + 1); i++; } } sb.append((char) Integer.parseInt(code, 8)); continue; } switch (nextChar) { case '\\': ch = '\\'; break; case 'b': ch = '\b'; break; case 'f': ch = '\f'; break; case 'n': ch = '\n'; break; case 'r': ch = '\r'; break; case 't': ch = '\t'; break; case '\"': ch = '\"'; break; case '\'': ch = '\''; break; // Hex Unicode: u???? case 'u': if (i >= st.length() - 5) { ch = 'u'; break; } int code = Integer.parseInt( "" + st.charAt(i + 2) + st.charAt(i + 3) + st.charAt(i + 4) + st.charAt(i + 5), 16); sb.append(Character.toChars(code)); i += 5; continue; default: ch = nextChar; // added by Stefan } i++; } sb.append(ch); } return sb.toString(); } else return s; // return original } static Class __javax; static Class getJavaX() { return __javax; } static String moveImportsUp(String s) { List l = toLines(s); List x = new ArrayList(); Pattern p = Pattern.compile("^\\s*import\\s"); for (ListIterator i = l.listIterator(); i.hasNext(); ) { String line = i.next(); if (p.matcher(line).find()) { x.add(line); i.remove(); } } x.addAll(l); return fromLines(x); } static List subList(List l, int startIndex) { return subList(l, startIndex, l(l)); } static List subList(List l, int startIndex, int endIndex) { startIndex = max(0, min(l(l), startIndex)); endIndex = max(0, min(l(l), endIndex)); if (startIndex > endIndex) return litlist(); return l.subList(startIndex, endIndex); } static void set(Object o, String field, Object value) { if (o instanceof Class) set((Class) o, field, value); else try { Field f = set_findField(o.getClass(), field); smartSet(f, o, value); } catch (Exception e) { throw new RuntimeException(e); } } static void set(Class c, String field, Object value) { try { Field f = set_findStaticField(c, field); smartSet(f, null, value); } catch (Exception e) { throw new RuntimeException(e); } } static Field set_findField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field)) return f; throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static Field set_findStaticField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static boolean isEmpty(Collection c) { return c == null || c.isEmpty(); } static boolean isEmpty(CharSequence s) { return s == null || s.length() == 0; } static boolean isEmpty(Object[] a) { return a == null || a.length == 0; } static boolean isEmpty(Map map) { return map == null || map.isEmpty(); } static boolean match(String pat, String s) { return match3(pat, s); } static boolean match(String pat, String s, Matches matches) { return match3(pat, s, matches); } static List reTok(List tok) { replaceCollection(tok, javaTok(tok)); return tok; } static List reTok(List tok, int i) { return reTok(tok, i, i+1); } static List reTok(List tok, int i, int j) { // extend i to an "N" token // and j to "C" (so j-1 is an "N" token) i = i & ~1; j = j | 1; List t = javaTok(join(subList(tok, i, j))); replaceListPart(tok, i, j, t); // fallback to safety // reTok(tok); return tok; } static List findTranslators(List lines) { List translators = new ArrayList(); Pattern pattern = Pattern.compile("^!([0-9# \t]+)"); Pattern pArgs = Pattern.compile("^\\s*\\((.*)\\)"); for (ListIterator iterator = lines.listIterator(); iterator.hasNext(); ) { String line = iterator.next(); line = line.trim(); Matcher matcher = pattern.matcher(line); if (matcher.find()) { String[] t = matcher.group(1).split("[ \t]+"); String rest = line.substring(matcher.end()); String arg = null; if (t.length == 1) { Matcher mArgs = pArgs.matcher(rest); if (mArgs.find()) arg = mArgs.group(1); } for (String transi : t) translators.add(new String[]{transi, arg}); iterator.remove(); } } return translators; } static BufferedReader readLine_reader; static String readLine() { return (String) call(getJavaX(), "readLine"); } static int l(Object[] array) { return array == null ? 0 : array.length; } static int l(byte[] array) { return array == null ? 0 : array.length; } static int l(int[] array) { return array == null ? 0 : array.length; } static int l(char[] array) { return array == null ? 0 : array.length; } static int l(Collection c) { return c == null ? 0 : c.size(); } static int l(Map m) { return m == null ? 0 : m.size(); } static int l(String s) { return s == null ? 0 : s.length(); } static int l(Object o) { return l((List) o); // incomplete } static void clearAllTokens(List tok) { for (int i = 0; i < tok.size(); i++) tok.set(i, ""); } static void clearAllTokens(List tok, int i, int j) { for (; i < j; i++) tok.set(i, ""); } static String structure(Object o) { return structure(o, 0); } // leave to false, unless unstructure() breaks static boolean structure_allowShortening = false; static String structure(Object o, int stringSizeLimit) { if (o == null) return "null"; String name = o.getClass().getName(); StringBuilder buf = new StringBuilder(); if (o instanceof HashSet) return "hashset" + structure(new ArrayList((Set) o), stringSizeLimit); if (o instanceof TreeSet) return "treeset" + structure(new ArrayList((Set) o), stringSizeLimit); if (o instanceof Collection) { for (Object x : (Collection) o) { if (buf.length() != 0) buf.append(", "); buf.append(structure(x, stringSizeLimit)); } return "[" + buf + "]"; } if (o instanceof Map) { for (Object e : ((Map) o).entrySet()) { if (buf.length() != 0) buf.append(", "); buf.append(structure(((Map.Entry) e).getKey(), stringSizeLimit)); buf.append("="); buf.append(structure(((Map.Entry) e).getValue(), stringSizeLimit)); } return (o instanceof HashMap ? "hashmap" : "") + "{" + buf + "}"; } if (o.getClass().isArray()) { int n = Array.getLength(o); for (int i = 0; i < n; i++) { if (buf.length() != 0) buf.append(", "); buf.append(structure(Array.get(o, i), stringSizeLimit)); } return "array{" + buf + "}"; } if (o instanceof String) return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o); if (o instanceof Class) return "class(" + quote(((Class) o).getName()) + ")"; if (o instanceof Throwable) return "exception(" + quote(((Throwable) o).getMessage()) + ")"; if (o instanceof BigInteger) return "bigint(" + o + ")"; if (o instanceof Double) return "d(" + quote(str(o)) + ")"; if (o instanceof Long) return o + "L"; // Need more cases? This should cover all library classes... if (name.startsWith("java.") || name.startsWith("javax.")) return String.valueOf(o); String shortName = o.getClass().getName().replaceAll("^main\\$", ""); if (shortName.equals("Lisp")) { buf.append("l(" + structure(getOpt(o, "head"))); List args = (List) ( getOpt(o, "args")); if (nempty(args)) for (int i = 0; i < l(args); i++) { buf.append(", "); Object arg = args.get(i); // sweet shortening if (arg != null && eq(arg.getClass().getName(), "main$Lisp") && isTrue(call(arg, "isEmpty"))) arg = get(arg, "head"); buf.append(structure(arg)); } buf.append(")"); return str(buf); } int numFields = 0; String fieldName = ""; if (shortName.equals("DynamicObject")) { shortName = (String) get(o, "className"); Map fieldValues = (Map) get(o, "fieldValues"); for (String _fieldName : fieldValues.keySet()) { fieldName = _fieldName; Object value = fieldValues.get(fieldName); if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure(value, stringSizeLimit)); } ++numFields; } } else { // regular class // TODO: go to superclasses too Field[] fields = o.getClass().getDeclaredFields(); for (Field field : fields) { if ((field.getModifiers() & Modifier.STATIC) != 0) continue; Object value; try { field.setAccessible(true); value = field.get(o); } catch (Exception e) { value = "?"; } fieldName = field.getName(); // put special cases here... if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure(value, stringSizeLimit)); } ++numFields; } } String b = buf.toString(); if (numFields == 1 && structure_allowShortening) b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one String s = shortName; if (buf.length() != 0) s += "(" + b + ")"; return s; } static Object call(Object o) { return callFunction(o); } // varargs assignment fixer for a single string array argument static Object call(Object o, String method, String[] arg) { return call(o, method, new Object[] {arg}); } static Object call(Object o, String method, Object... args) { try { if (o instanceof Class) { Method m = call_findStaticMethod((Class) o, method, args, false); m.setAccessible(true); return m.invoke(null, args); } else { Method m = call_findMethod(o, method, args, false); m.setAccessible(true); return m.invoke(o, args); } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName()); } static Method call_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && call_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName()); } private static boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static volatile StringBuffer local_log = new StringBuffer(); // not redirected static volatile StringBuffer print_log = local_log; // might be redirected, e.g. to main bot // in bytes - will cut to half that static volatile int print_log_max = 1024*1024; static volatile int local_log_max = 100*1024; static boolean print_silent; // total mute if set static void print() { print(""); } // slightly overblown signature to return original object... static A print(A o) { if (print_silent) return o; String s = String.valueOf(o) + "\n"; StringBuffer loc = local_log; StringBuffer buf = print_log; int loc_max = print_log_max; if (buf != loc && buf != null) { print_append(buf, s, print_log_max); loc_max = local_log_max; } if (loc != null) print_append(loc, s, loc_max); System.out.print(s); return o; } static void print(long l) { print(String.valueOf(l)); } static void print(char c) { print(String.valueOf(c)); } static void print_append(StringBuffer buf, String s, int max) { synchronized(buf) { buf.append(s); max /= 2; if (buf.length() > max) try { int newLength = max/2; int ofs = buf.length()-newLength; String newString = buf.substring(ofs); buf.setLength(0); buf.append("[...] ").append(newString); } catch (Exception e) { buf.setLength(0); } } } // leaves tok properly tokenized // returns true iff anything was replaced static boolean jreplace(List tok, String in, String out) { return jreplace(tok, in, out, false, true, null); } static boolean jreplace(List tok, String in, String out, Object condition) { return jreplace(tok, in, out, false, true, condition); } static boolean jreplace(List tok, String in, String out, boolean ignoreCase, boolean reTok, Object condition) { List tokin = javaTok(in); jfind_preprocess(tokin); boolean anyChange = false; for (int n = 0; n < 10000; n++) { int i = findCodeTokens(tok, 1, ignoreCase, toStringArray(codeTokensOnly(tokin)), condition); if (i < 0) return anyChange; List subList = tok.subList(i-1, i+l(tokin)-1); // N to N String expansion = jreplace_expandRefs(out, subList); int end = i+l(tokin)-2; clearAllTokens(tok, i, end); // C to C tok.set(i, expansion); if (reTok) // would this ever be false?? reTok(tok, i, end); anyChange = true; } throw fail("woot? 10000!"); } // "$1" is first code token, "$2" second code token etc. static String jreplace_expandRefs(String s, List tokref) { List tok = javaTok(s); /*if (jreplace_debug) print("jreplace_expandRefs: " + structure(tok) + " tokref: " + structure(tokref));*/ for (int i = 1; i < l(tok); i += 2) { if (tok.get(i).startsWith("$") && isInteger(tok.get(i).substring(1))) { String x = tokref.get(-1+parseInt(tok.get(i).substring(1))*2); tok.set(i, x); } } return join(tok); } static boolean jreplace_debug; // returns actual CNC static List findMainClass(List tok) { for (List c : reversedList(allClasses(tok))) { String name = getClassDeclarationName(c); if (eq(name, "main") || name.startsWith("x")) return c; } return findBlock("m {", tok); } static List includeInMainLoaded(List tok, String text) { List main = findMainClass(tok); int i = main.lastIndexOf("}"); main.set(i, "\n" + text + "\n}"); i += magicIndexOfSubList(tok, main); return reTok(tok, i, i+1); } static String unq(String s) { return unquote(s); } static String mainJava; static String loadMainJava() throws IOException { if (mainJava != null) return mainJava; return loadTextFile("input/main.java", ""); } static String urlencode(String x) { try { return URLEncoder.encode(unnull(x), "UTF-8"); } catch (UnsupportedEncodingException e) { throw new RuntimeException(e); } } static List splitAtSpace(String s) { return asList(s.split("\\s+")); } static Object callF(Object f, Object... args) { return callFunction(f, args); } static Object callFunction(Object f, Object... args) { if (f == null) return null; if (f instanceof Runnable) { ((Runnable) f).run(); return null; } else if (f instanceof String) return call(mc(), (String) f, args); else return call(f, "get", args); //else throw fail("Can't call a " + getClassName(f)); } static ArrayList asList(A[] a) { return new ArrayList(Arrays.asList(a)); } static ArrayList asList(int[] a) { ArrayList l = new ArrayList(); for (int i : a) l.add(i); return l; } static ArrayList asList(Collection s) { return s == null ? new ArrayList() : s instanceof ArrayList ? (ArrayList) s : new ArrayList(s); } static String shorten(String s, int max) { if (s == null) return ""; return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "..."; } static void replaceListPart(List l, int i, int j, List l2) { l.subList(i, j).clear(); l.addAll(i, l2); } public static List parseSnippetIDs(List snippetIDs) { List l = new ArrayList(); for (String id : snippetIDs) l.add(str(parseSnippetID(id))); return l; } static List replaceSublist(List l, List x, List y) { if (x == null) return l; int i = 0; while (true) { i = indexOfSubList(l, x, i); if (i < 0) break; // It's inefficient :D for (int j = 0; j < l(x); j++) l.remove(i); l.addAll(i, y); i += l(y); } return l; } static List codeTokensOnly(List tok) { List l = new ArrayList(); for (int i = 1; i < tok.size(); i += 2) l.add(tok.get(i)); return l; } static void replaceCollection(Collection dest, Collection src) { dest.clear(); dest.addAll(src); } static String doPost(Map urlParameters, String url) { return doPost(makePostData(urlParameters), url); } static String doPost(String urlParameters, String url) { try { URL _url = new URL(url); return doPost(urlParameters, _url.openConnection(), _url); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static String doPost(String urlParameters, URLConnection conn, URL url) { try { String computerID = getComputerID(); if (computerID != null) conn.setRequestProperty("X-ComputerID", computerID); print("Sending POST request: " + url); // connect and do POST conn.setDoOutput(true); OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream()); writer.write(urlParameters); writer.flush(); String contents = loadPage(conn, url); writer.close(); return contents; } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static String quickSubstring(String s, int i, int j) { if (i == j) return ""; return s.substring(i, j); } static A liftLast(List l) { if (l.isEmpty()) return null; int i = l(l)-1; A a = l.get(i); l.remove(i); return a; } static String programID; static String getProgramID() { return nempty(programID) ? formatSnippetID(programID) : "?"; } // TODO: ask JavaX instead static String getProgramID(Class c) { String id = (String) getOpt(c, "programID"); if (nempty(id)) return formatSnippetID(id); return "?"; } static String getProgramID(Object o) { return getProgramID(getMainClass(o)); } static String unnull(String s) { return s == null ? "" : s; } static List unnull(List l) { return l == null ? emptyList() : l; } static Object[] unnull(Object[] a) { return a == null ? new Object[0] : a; } static List findTopLevelClass(List tok, String className) { for (List c : allClasses(tok)) { String name = getClassDeclarationName(c); if (eq(name, className)) return c; } return null; } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } static List findBlock(String pat, List tok) { List tokpat = javaTok(pat); int i = findCodeTokens(tok, toStringArray(codeTokensOnly(tokpat))); //print("index of block " + quote(pat) + ": " + i); if (i < 0) return null; int bracketIdx = i+tokpat.size()-3; assertEquals("{", tok.get(bracketIdx)); int endIdx = findEndOfBlock(tok, bracketIdx); return tok.subList(i-1, endIdx+1); // make it actual CNC } static int min(int a, int b) { return Math.min(a, b); } static double min(double[] c) { double x = Double.MAX_VALUE; for (double d : c) x = Math.min(x, d); return x; } static byte min(byte[] c) { byte x = 127; for (byte d : c) if (d < x) x = d; return x; } static List reversedList(List l) { List x = cloneList(l); Collections.reverse(x); return x; } static int max(int a, int b) { return Math.max(a, b); } static long max(int a, long b) { return Math.max((long) a, b); } static long max(long a, long b) { return Math.max(a, b); } static double max(int a, double b) { return Math.max((double) a, b); } static int max(Collection c) { int x = Integer.MIN_VALUE; for (int i : c) x = max(x, i); return x; } static double max(double[] c) { if (c.length == 0) return Double.MIN_VALUE; double x = c[0]; for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]); return x; } static byte max(byte[] c) { byte x = -128; for (byte d : c) if (d > x) x = d; return x; } static ThreadLocal loadPage_charset = new ThreadLocal(); static boolean loadPage_allowGzip = true, loadPage_debug; static boolean loadPage_anonymous; // don't send computer ID static int loadPage_verboseness = 100000; public static String loadPageSilently(String url) { try { return loadPageSilently(new URL(loadPage_preprocess(url))); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadPageSilently(URL url) { try { IOException e = null; for (int tries = 0; tries < 60; tries++) try { URLConnection con = url.openConnection(); return loadPage(con, url); } catch (IOException _e) { e = _e; print("Retrying because of: " + e); sleepSeconds(1); } throw e; } catch (IOException e) { throw new RuntimeException(e); } } static String loadPage_preprocess(String url) { if (url.startsWith("tb/")) url = "tinybrain.de:8080/" + url; if (url.indexOf("://") < 0) url = "http://" + url; return url; } public static String loadPage(String url) { try { return loadPage(new URL(loadPage_preprocess(url))); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadPage(URL url) { print("Loading: " + url.toExternalForm()); return loadPageSilently(url); } public static String loadPage(URLConnection con, URL url) throws IOException { try { if (!loadPage_anonymous) { String computerID = getComputerID(); if (computerID != null) con.setRequestProperty("X-ComputerID", computerID); } if (loadPage_allowGzip) con.setRequestProperty("Accept-Encoding", "gzip"); } catch (Throwable e) {} // fails if within doPost String contentType = con.getContentType(); if (contentType == null) throw new IOException("Page could not be read: " + url); //print("Content-Type: " + contentType); String charset = loadPage_charset == null ? null : loadPage_charset.get(); if (charset == null) charset = loadPage_guessCharset(contentType); InputStream in = con.getInputStream(); if ("gzip".equals(con.getContentEncoding())) { if (loadPage_debug) print("loadPage: Using gzip."); in = new GZIPInputStream(in); } Reader r = new InputStreamReader(in, charset); StringBuilder buf = new StringBuilder(); int n = 0; while (true) { int ch = r.read(); if (ch < 0) break; buf.append((char) ch); ++n; if ((n % loadPage_verboseness) == 0) print(" " + n + " chars read"); } return buf.toString(); } static String loadPage_guessCharset(String contentType) { Pattern p = Pattern.compile("text/[a-z]+;\\s+charset=([^\\s]+)\\s*"); Matcher m = p.matcher(contentType); /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */ return m.matches() ? m.group(1) : "ISO-8859-1"; } static Map jsonDecodeMap(String s) { Object o = jsonDecode(s); if (o instanceof Map) return (Map) o; else throw fail("Not a JSON map: " + s); } static String[] toStringArray(List list) { return list.toArray(new String[list.size()]); } static String[] toStringArray(Object o) { if (o instanceof String[]) return (String[]) o; else if (o instanceof List) return toStringArray((List) o); else throw fail("Not a list or array: " + structure(o)); } static String md5(String text) { try { if (text == null) return "-"; return bytesToHex(md5_impl(text.getBytes("UTF-8"))); // maybe different than the way PHP does it... } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static String md5(byte[] data) { return bytesToHex(md5_impl(data)); } static byte[] md5_impl(byte[] data) { try { return MessageDigest.getInstance("MD5").digest(data); } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static String md5(File file) { try { return md5(loadBinaryFile(file)); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static boolean isIdentifier(String s) { return isJavaIdentifier(s); } // class Matches is added by #752 static boolean match3(String pat, String s) { return match3(pat, s, null); } static boolean match3(String pat, String s, Matches matches) { if (s == null) return false; return match3(pat, parse3(s), matches); } static boolean match3(String pat, List toks, Matches matches) { List tokpat = parse3(pat); return match3(tokpat,toks,matches); } static boolean match3(List tokpat, List toks, Matches matches) { String[] m = match2(tokpat, toks); //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m)); if (m == null) return false; else { if (matches != null) matches.m = m; return true; } } static void callMain(Object c, String... args) { callOpt(c, "main", new Object[] {args}); } // lists returned are actual CNC (N/C/N/.../C/N) - and connected to // original list // only returns the top level classes static List> allClasses(List tok) { List> l = new ArrayList(); for (int i = 1; i < tok.size(); i += 2) { if (eqOneOf(tok.get(i), "class", "interface") && (i == 1 || !tok.get(i-2).equals("."))) { int j = i; while (j < tok.size() && !tok.get(j).equals("{")) j += 2; j = findEndOfBlock(tok, j)+1; i = leftScanModifiers(tok, i); l.add(tok.subList(i-1, Math.min(tok.size(), j))); i = j-2; } } return l; } static List> allClasses(String text) { return allClasses(javaTok(text)); } static boolean empty(Collection c) { return isEmpty(c); } static boolean empty(String s) { return isEmpty(s); } static boolean empty(Map map) { return map == null || map.isEmpty(); } static boolean empty(Object[] o) { return o == null || o.length == 0; } static boolean empty(Object o) { if (o instanceof Collection) return empty((Collection) o); if (o instanceof String) return empty((String) o); if (o instanceof Map) return empty((Map) o); if (o instanceof Object[]) return empty((Object[]) o); throw fail("unknown type for 'empty': " + getType(o)); } static boolean isInteger(String s) { return s != null && Pattern.matches("\\-?\\d+", s); } // extended over Class.isInstance() to handle primitive types static boolean isInstanceX(Class type, Object arg) { if (type == boolean.class) return arg instanceof Boolean; if (type == int.class) return arg instanceof Integer; if (type == long.class) return arg instanceof Long; if (type == float.class) return arg instanceof Float; if (type == short.class) return arg instanceof Short; if (type == char.class) return arg instanceof Character; if (type == byte.class) return arg instanceof Byte; if (type == double.class) return arg instanceof Double; return type.isInstance(arg); } static boolean isNonNegativeInteger(String s) { return s != null && Pattern.matches("\\d+", s); } static boolean checkCondition(Object condition, Object... args) { return isTrue(call(condition, "check", args)); } /** writes safely (to temp file, then rename) */ public static void saveTextFile(String fileName, String contents) throws IOException { File file = new File(fileName); File parentFile = file.getParentFile(); if (parentFile != null) parentFile.mkdirs(); String tempFileName = fileName + "_temp"; if (contents != null) { FileOutputStream fileOutputStream = new FileOutputStream(tempFileName); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8"); PrintWriter printWriter = new PrintWriter(outputStreamWriter); printWriter.print(contents); printWriter.close(); } if (file.exists() && !file.delete()) throw new IOException("Can't delete " + fileName); if (contents != null) if (!new File(tempFileName).renameTo(file)) throw new IOException("Can't rename " + tempFileName + " to " + fileName); } public static void saveTextFile(File fileName, String contents) { try { saveTextFile(fileName.getPath(), contents); } catch (IOException e) { throw new RuntimeException(e); } } // This is made for NL parsing. // It's javaTok extended with "..." token, "$n" and "#n" and // special quotes (which are converted to normal ones). static List javaTokPlusPeriod(String s) { List tok = new ArrayList(); int l = s.length(); int i = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(s.substring(i, j)); i = j; if (i >= l) break; c = s.charAt(i); cc = s.substring(i, Math.min(i+2, l)); // scan for non-whitespace if (c == '\u201C' || c == '\u201D') c = '"'; // normalize quotes if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { char _c = s.charAt(j); if (_c == '\u201C' || _c == '\u201D') _c = '"'; // normalize quotes if (_c == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } if (j-1 >= i+1) { tok.add(opener + s.substring(i+1, j-1) + opener); i = j; continue; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // for things like "this one's" else if (Character.isDigit(c)) do ++j; while (j < l && Character.isDigit(s.charAt(j))); else if (cc.equals("[[")) { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (cc.equals("[=") && i+2 < l && s.charAt(i+2) == '[') { do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]")); j = Math.min(j+3, l); } else if (s.substring(j, Math.min(j+3, l)).equals("...")) j += 3; else if (c == '$' || c == '#') do ++j; while (j < l && Character.isDigit(s.charAt(j))); else ++j; tok.add(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static String getClassName(Object o) { return o == null ? "null" : o.getClass().getName(); } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) fail("0 is not a snippet ID"); return id; } static B lookupSnippetID(Map map, String id) { B b = map.get(formatSnippetID(id)); if (b != null) return b; return map.get("" + parseSnippetID(id)); } // compile JavaX source, load classes & return main class // src can be a snippet ID or actual source code // TODO: record injection? static Class hotwire(String src) { try { Class j = getJavaX(); synchronized(j) { // hopefully this goes well... List libraries = new ArrayList(); File srcDir = (File) call(j, "transpileMain", src, libraries); if (srcDir == null) fail("transpileMain returned null (src=" + quote(src) + ")"); Object androidContext = get(j, "androidContext"); if (androidContext != null) return (Class) call(j, "loadx2android", srcDir, src); File classesDir = (File) call(j, "TempDirMaker_make"); String javacOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir); System.out.println(javacOutput); URL[] urls = new URL[libraries.size()+1]; urls[0] = classesDir.toURI().toURL(); for (int i = 0; i < libraries.size(); i++) urls[i+1] = libraries.get(i).toURI().toURL(); // make class loader URLClassLoader classLoader = new URLClassLoader(urls); // load & return main class Class theClass = classLoader.loadClass("main"); callOpt(j, "registerSourceCode", theClass, loadTextFile(new File(srcDir, "main.java"))); call(j, "setVars", theClass, isSnippetID(src) ? src: null); if (isSnippetID(src)) callOpt(j, "addInstance", src, theClass); if (!_inCore()) hotwire_copyOver(theClass); return theClass; } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static String programID() { return getProgramID(); } public static String loadTextFile(String fileName) { try { return loadTextFile(fileName, null); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(String fileName, String defaultContents) throws IOException { if (!new File(fileName).exists()) return defaultContents; FileInputStream fileInputStream = new FileInputStream(fileName); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8"); return loadTextFile(inputStreamReader); } public static String loadTextFile(File fileName) { try { return loadTextFile(fileName, null); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(File fileName, String defaultContents) throws IOException { try { return loadTextFile(fileName.getPath(), defaultContents); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(Reader reader) throws IOException { StringBuilder builder = new StringBuilder(); try { char[] buffer = new char[1024]; int n; while (-1 != (n = reader.read(buffer))) builder.append(buffer, 0, n); } finally { reader.close(); } return builder.toString(); } static boolean nempty(Collection c) { return !isEmpty(c); } static boolean nempty(CharSequence s) { return !isEmpty(s); } static boolean nempty(Object[] o) { return !isEmpty(o); } static boolean eqic(String a, String b) { if ((a == null) != (b == null)) return false; if (a == null) return true; return a.equalsIgnoreCase(b); } static void smartSet(Field f, Object o, Object value) throws Exception { f.setAccessible(true); // take care of common case (long to int) if (f.getType() == int.class && value instanceof Long) value = ((Long) value).intValue(); f.set(o, value); } static int parseInt(String s) { return empty(s) ? 0 : Integer.parseInt(s); } static Object getOpt(Object o, String field) { if (o instanceof String) o = getBot ((String) o); if (o == null) return null; if (o instanceof Class) return getOpt((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return ((Map) getOpt_raw(o, "fieldValues")).get(field); if (o instanceof Map) return ((Map) o).get(field); return getOpt_raw(o, field); } static Object getOpt_raw(Object o, String field) { try { Field f = getOpt_findField(o.getClass(), field); if (f == null) return null; f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object getOpt(Class c, String field) { try { if (c == null) return null; Field f = getOpt_findStaticField(c, field); if (f == null) return null; f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field getOpt_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static Field getOpt_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static File makeTempDir() { return (File) call(getJavaX(), "TempDirMaker_make"); } static List> innerClasses(List tok) { if (tok == null) return emptyList(); int i = 1; while (i < tok.size() && !tok.get(i).equals("{")) i += 2; return allClasses(tok.subList(i+1, tok.size())); } static int leftScanModifiers(List tok, int i) { List mod = getJavaModifiers(); while (i > 1 && mod.contains(tok.get(i-2))) i -= 2; return i; } static Object getBot(String botID) { return callOpt(getMainBot(), "getBot", botID); } static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return "" + parseLong(snippetID); } static List cloneList(Collection l) { //O mutex = getOpt(l, "mutex"); /*if (mutex != null) synchronized(mutex) { ret new ArrayList(l); } else ret new ArrayList(l);*/ // assume mutex is equal to collection, which will be true unless you explicitly pass a mutex to synchronizedList() which no one ever does. synchronized(l) { return new ArrayList(l); } } static boolean isJavaIdentifier(String s) { if (s.length() == 0 || !Character.isJavaIdentifierStart(s.charAt(0))) return false; for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i))) return false; return true; } static boolean _inCore() { return false; } static String getComputerID() { try { return computerID(); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static List parse3(String s) { return dropPunctuation(javaTokPlusPeriod(s)); } static Class getMainClass() { try { return Class.forName("main"); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static Class getMainClass(Object o) { try { return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main"); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static A assertEquals(Object x, A y) { return assertEquals(null, x, y); } static A assertEquals(String msg, Object x, A y) { if (!(x == null ? y == null : x.equals(y))) fail((msg != null ? msg + ": " : "") + structure(x) + " != " + structure(y)); return y; } // match2 matches multiple "*" (matches a single token) wildcards and zero or one "..." wildcards (matches multiple tokens) static String[] match2(List pat, List tok) { // standard case (no ...) int i = pat.indexOf("..."); if (i < 0) return match2_match(pat, tok); pat = new ArrayList(pat); // We're modifying it, so copy first pat.set(i, "*"); while (pat.size() < tok.size()) { pat.add(i, "*"); pat.add(i+1, ""); // doesn't matter } return match2_match(pat, tok); } static String[] match2_match(List pat, List tok) { List result = new ArrayList(); if (pat.size() != tok.size()) { /*if (debug) print("Size mismatch: " + structure(pat) + " vs " + structure(tok));*/ return null; } for (int i = 1; i < pat.size(); i += 2) { String p = pat.get(i), t = tok.get(i); /*if (debug) print("Checking " + p + " against " + t);*/ if (eq(p, "*")) result.add(t); else if (!equalsIgnoreCase(unquote(p), unquote(t))) // bold change - match quoted and unquoted now return null; } return result.toArray(new String[result.size()]); } static void hotwire_copyOver(Class c) { synchronized(StringBuffer.class) { for (String field : litlist("print_log", "print_silent")) { Object o = get(mc(), field); if (o != null) setOpt(c, field, o); } Object mainBot = getMainBot(); if (mainBot != null) setOpt(c, "mainBot", mainBot); setOpt(c, "creator_class", new WeakReference(mc())); } } static Object jsonDecode(String text) { final List tok = jsonTok(text); class Y { int i = 1; Object parse() { String t = tok.get(i); if (t.startsWith("\"")) { String s = unquote(tok.get(i)); i += 2; return s; } if (t.equals("{")) return parseMap(); if (t.equals("[")) return parseList(); if (t.equals("null")) { i += 2; return null; } if (t.equals("false")) { i += 2; return false; } if (t.equals("true")) { i += 2; return true; } if (isInteger(t)) { i += 2; return parseInt(t); } if (t.equals("-")) { t = tok.get(i+2); i += 4; return -parseInt(t); } throw new RuntimeException("Unknown token " + (i+1) + ": " + t); } Object parseList() { consume("["); List list = new ArrayList(); while (!tok.get(i).equals("]")) { list.add(parse()); if (tok.get(i).equals(",")) i += 2; } consume("]"); return list; } Object parseMap() { consume("{"); Map map = new TreeMap(); while (!tok.get(i).equals("}")) { String key = unquote(tok.get(i)); i += 2; consume(":"); Object value = parse(); map.put(key, value); if (tok.get(i).equals(",")) i += 2; } consume("}"); return map; } void consume(String s) { if (!tok.get(i).equals(s)) { String prevToken = i-2 >= 0 ? tok.get(i-2) : ""; String nextTokens = join(tok.subList(i, Math.min(i+4, tok.size()))); fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")"); } i += 2; } } return new Y().parse(); } static int indexOfSubList(List x, List y, int i) { outer: for (; i+l(y) <= l(x); i++) { for (int j = 0; j < l(y); j++) if (neq(x.get(i+j), y.get(j))) continue outer; return i; } return -1; } public static String bytesToHex(byte[] bytes) { return bytesToHex(bytes, 0, bytes.length); } public static String bytesToHex(byte[] bytes, int ofs, int len) { StringBuilder stringBuilder = new StringBuilder(len*2); for (int i = 0; i < len; i++) { String s = "0" + Integer.toHexString(bytes[ofs+i]); stringBuilder.append(s.substring(s.length()-2, s.length())); } return stringBuilder.toString(); } static Class mc() { return getMainClass(); } static String makePostData(Map map) { List l = new ArrayList(); for (Map.Entry e : map.entrySet()) { String key = (String) ( e.getKey()); String value = structureOrText(e.getValue()); l.add(urlencode(key) + "=" + urlencode(value)); } return join("&", l); } static void sleepSeconds(double s) { if (s > 0) sleep(round(s*1000)); } static Object callOpt(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Method m = callOpt_findStaticMethod((Class) o, method, args, false); if (m == null) return null; m.setAccessible(true); return m.invoke(null, args); } else { Method m = callOpt_findMethod(o, method, args, false); if (m == null) return null; m.setAccessible(true); return m.invoke(o, args); } } catch (Exception e) { throw new RuntimeException(e); } } static Method callOpt_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & Modifier.STATIC) == 0 || !callOpt_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } return null; } static Method callOpt_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && callOpt_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } return null; } private static boolean callOpt_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static List emptyList() { return new ArrayList(); //ret Collections.emptyList(); } // i must point at the opening bracket ("{") // index returned is index of closing bracket + 1 static int findEndOfBlock(List cnc, int i) { int j = i+2, level = 1; while (j < cnc.size()) { if (cnc.get(j).equals("{")) ++level; else if (cnc.get(j).equals("}")) --level; if (level == 0) return j+1; ++j; } return cnc.size(); } public static byte[] loadBinaryFile(String fileName) throws IOException { if (!new File(fileName).exists()) return null; FileInputStream in = new FileInputStream(fileName); byte buf[] = new byte[1024]; ByteArrayOutputStream out = new ByteArrayOutputStream(); int l; while (true) { l = in.read(buf); if (l <= 0) break; out.write(buf, 0, l); } in.close(); return out.toByteArray(); } public static byte[] loadBinaryFile(File file) throws IOException { return loadBinaryFile(file.getPath()); } static boolean equalsIgnoreCase(String a, String b) { return a == null ? b == null : a.equalsIgnoreCase(b); } static Object mainBot; static Object getMainBot() { return mainBot; } static void sleep(long ms) { try { Thread.sleep(ms); } catch (Exception e) { throw new RuntimeException(e); } } static void sleep() { try { print("Sleeping."); synchronized(main.class) { main.class.wait(); } } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static long parseLong(String s) { if (s == null) return 0; return Long.parseLong(dropSuffix("L", s)); } static long parseLong(Object s) { return Long.parseLong((String) s); } static String _computerID; public static String computerID() { try { if (_computerID == null) { File file = new File(userHome(), ".tinybrain/computer-id"); _computerID = loadTextFile(file.getPath(), null); if (_computerID == null) { _computerID = makeRandomID(12); saveTextFile(file.getPath(), _computerID); } } return _computerID; } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static List getJavaModifiers_list = litlist("static", "abstract", "public", "private", "protected", "final", "native", "volatile", "synchronized", "transient"); static List getJavaModifiers() { return getJavaModifiers_list; } static List jsonTok(String s) { List tok = new ArrayList(); int l = s.length(); int i = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(s.substring(i, j)); i = j; if (i >= l) break; c = s.charAt(i); // cc is not needed in rest of loop body // scan for non-whitespace (json strings, "null" identifier, numbers. everything else automatically becomes a one character token.) if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { if (s.charAt(j) == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isLetter(c)) do ++j; while (j < l && Character.isLetter(s.charAt(j))); else if (Character.isDigit(c)) do ++j; while (j < l && Character.isDigit(s.charAt(j))); else ++j; tok.add(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static List dropPunctuation_keep = litlist("*", "<", ">"); static List dropPunctuation(List tok) { tok = new ArrayList(tok); for (int i = 1; i < tok.size(); i += 2) { String t = tok.get(i); if (t.length() == 1 && !Character.isLetter(t.charAt(0)) && !Character.isDigit(t.charAt(0)) && !dropPunctuation_keep.contains(t)) { tok.set(i-1, tok.get(i-1) + tok.get(i+1)); tok.remove(i); tok.remove(i); i -= 2; } } return tok; } static String dropPunctuation(String s) { return join(dropPunctuation(nlTok(s))); } static String structureOrText(Object o) { return o instanceof String ? (String) o : structure(o); } static void setOpt(Object o, String field, Object value) { if (o instanceof Class) setOpt((Class) o, field, value); else try { Field f = setOpt_findField(o.getClass(), field); if (f != null) smartSet(f, o, value); } catch (Exception e) { throw new RuntimeException(e); } } static void setOpt(Class c, String field, Object value) { try { Field f = setOpt_findStaticField(c, field); if (f != null) smartSet(f, null, value); } catch (Exception e) { throw new RuntimeException(e); } } static Field setOpt_findField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field)) return f; return null; } static Field setOpt_findStaticField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; return null; } static long round(double d) { return Math.round(d); } static String _userHome; static String userHome() { if (_userHome == null) { if (isAndroid()) _userHome = "/storage/sdcard0/"; else _userHome = System.getProperty("user.home"); //System.out.println("userHome: " + _userHome); } return _userHome; } static File userHome(String path) { return new File(userDir(), path); } static String dropSuffix(String suffix, String s) { return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s; } static String makeRandomID(int length) { Random random = new Random(); char[] id = new char[length]; for (int i = 0; i < id.length; i++) id[i] = (char) ((int) 'a' + random.nextInt(26)); return new String(id); } static List nlTok(String s) { return javaTokPlusPeriod(s); } static File userDir() { return new File(userHome()); } static File userDir(String path) { return new File(userHome(), path); } static boolean isAndroid() { return System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0; } }