Frontend optimization

-15 export issue

@@ -0,0 +1,238 @@
+
+                   SSUUMMMMAARRYY OOFF LLEESSSS CCOOMMMMAANNDDSS
+
+      Commands marked with * may be preceded by a number, _N.
+      Notes in parentheses indicate the behavior if _N is given.
+      A key preceded by a caret indicates the Ctrl key; thus ^K is ctrl-K.
+
+  h  H                 Display this help.
+  q  :q  Q  :Q  ZZ     Exit.
+ ---------------------------------------------------------------------------
+
+                           MMOOVVIINNGG
+
+  e  ^E  j  ^N  CR  *  Forward  one line   (or _N lines).
+  y  ^Y  k  ^K  ^P  *  Backward one line   (or _N lines).
+  f  ^F  ^V  SPACE  *  Forward  one window (or _N lines).
+  b  ^B  ESC-v      *  Backward one window (or _N lines).
+  z                 *  Forward  one window (and set window to _N).
+  w                 *  Backward one window (and set window to _N).
+  ESC-SPACE         *  Forward  one window, but don't stop at end-of-file.
+  d  ^D             *  Forward  one half-window (and set half-window to _N).
+  u  ^U             *  Backward one half-window (and set half-window to _N).
+  ESC-)  RightArrow *  Right one half screen width (or _N positions).
+  ESC-(  LeftArrow  *  Left  one half screen width (or _N positions).
+  ESC-}  ^RightArrow   Right to last column displayed.
+  ESC-{  ^LeftArrow    Left  to first column.
+  F                    Forward forever; like "tail -f".
+  ESC-F                Like F but stop when search pattern is found.
+  r  ^R  ^L            Repaint screen.
+  R                    Repaint screen, discarding buffered input.
+        ---------------------------------------------------
+        Default "window" is the screen height.
+        Default "half-window" is half of the screen height.
+ ---------------------------------------------------------------------------
+
+                          SSEEAARRCCHHIINNGG
+
+  /_p_a_t_t_e_r_n          *  Search forward for (_N-th) matching line.
+  ?_p_a_t_t_e_r_n          *  Search backward for (_N-th) matching line.
+  n                 *  Repeat previous search (for _N-th occurrence).
+  N                 *  Repeat previous search in reverse direction.
+  ESC-n             *  Repeat previous search, spanning files.
+  ESC-N             *  Repeat previous search, reverse dir. & spanning files.
+  ESC-u                Undo (toggle) search highlighting.
+  &_p_a_t_t_e_r_n          *  Display only matching lines
+        ---------------------------------------------------
+        A search pattern may be preceded by one or more of:
+        ^N or !  Search for NON-matching lines.
+        ^E or *  Search multiple files (pass thru END OF FILE).
+        ^F or @  Start search at FIRST file (for /) or last file (for ?).
+        ^K       Highlight matches, but don't move (KEEP position).
+        ^R       Don't use REGULAR EXPRESSIONS.
+ ---------------------------------------------------------------------------
+
+                           JJUUMMPPIINNGG
+
+  g  <  ESC-<       *  Go to first line in file (or line _N).
+  G  >  ESC->       *  Go to last line in file (or line _N).
+  p  %              *  Go to beginning of file (or _N percent into file).
+  t                 *  Go to the (_N-th) next tag.
+  T                 *  Go to the (_N-th) previous tag.
+  {  (  [           *  Find close bracket } ) ].
+  }  )  ]           *  Find open bracket { ( [.
+  ESC-^F _<_c_1_> _<_c_2_>  *  Find close bracket _<_c_2_>.
+  ESC-^B _<_c_1_> _<_c_2_>  *  Find open bracket _<_c_1_> 
+        ---------------------------------------------------
+        Each "find close bracket" command goes forward to the close bracket 
+          matching the (_N-th) open bracket in the top line.
+        Each "find open bracket" command goes backward to the open bracket 
+          matching the (_N-th) close bracket in the bottom line.
+
+  m_<_l_e_t_t_e_r_>            Mark the current top line with <letter>.
+  M_<_l_e_t_t_e_r_>            Mark the current bottom line with <letter>.
+  '_<_l_e_t_t_e_r_>            Go to a previously marked position.
+  ''                   Go to the previous position.
+  ^X^X                 Same as '.
+  ESC-M_<_l_e_t_t_e_r_>        Clear a mark.
+        ---------------------------------------------------
+        A mark is any upper-case or lower-case letter.
+        Certain marks are predefined:
+             ^  means  beginning of the file
+             $  means  end of the file
+ ---------------------------------------------------------------------------
+
+                        CCHHAANNGGIINNGG FFIILLEESS
+
+  :e [_f_i_l_e]            Examine a new file.
+  ^X^V                 Same as :e.
+  :n                *  Examine the (_N-th) next file from the command line.
+  :p                *  Examine the (_N-th) previous file from the command line.
+  :x                *  Examine the first (or _N-th) file from the command line.
+  :d                   Delete the current file from the command line list.
+  =  ^G  :f            Print current file name.
+ ---------------------------------------------------------------------------
+
+                    MMIISSCCEELLLLAANNEEOOUUSS CCOOMMMMAANNDDSS
+
+  -_<_f_l_a_g_>              Toggle a command line option [see OPTIONS below].
+  --_<_n_a_m_e_>             Toggle a command line option, by name.
+  __<_f_l_a_g_>              Display the setting of a command line option.
+  ___<_n_a_m_e_>             Display the setting of an option, by name.
+  +_c_m_d                 Execute the less cmd each time a new file is examined.
+
+  !_c_o_m_m_a_n_d             Execute the shell command with $SHELL.
+  |XX_c_o_m_m_a_n_d            Pipe file between current pos & mark XX to shell command.
+  s _f_i_l_e               Save input to a file.
+  v                    Edit the current file with $VISUAL or $EDITOR.
+  V                    Print version number of "less".
+ ---------------------------------------------------------------------------
+
+                           OOPPTTIIOONNSS
+
+        Most options may be changed either on the command line,
+        or from within less by using the - or -- command.
+        Options may be given in one of two forms: either a single
+        character preceded by a -, or a name preceded by --.
+
+  -?  ........  --help
+                  Display help (from command line).
+  -a  ........  --search-skip-screen
+                  Search skips current screen.
+  -A  ........  --SEARCH-SKIP-SCREEN
+                  Search starts just after target line.
+  -b [_N]  ....  --buffers=[_N]
+                  Number of buffers.
+  -B  ........  --auto-buffers
+                  Don't automatically allocate buffers for pipes.
+  -c  ........  --clear-screen
+                  Repaint by clearing rather than scrolling.
+  -d  ........  --dumb
+                  Dumb terminal.
+  -D [_x_n_._n]  .  --color=_x_n_._n
+                  Set screen colors. (MS-DOS only)
+  -e  -E  ....  --quit-at-eof  --QUIT-AT-EOF
+                  Quit at end of file.
+  -f  ........  --force
+                  Force open non-regular files.
+  -F  ........  --quit-if-one-screen
+                  Quit if entire file fits on first screen.
+  -g  ........  --hilite-search
+                  Highlight only last match for searches.
+  -G  ........  --HILITE-SEARCH
+                  Don't highlight any matches for searches.
+  -h [_N]  ....  --max-back-scroll=[_N]
+                  Backward scroll limit.
+  -i  ........  --ignore-case
+                  Ignore case in searches that do not contain uppercase.
+  -I  ........  --IGNORE-CASE
+                  Ignore case in all searches.
+  -j [_N]  ....  --jump-target=[_N]
+                  Screen position of target lines.
+  -J  ........  --status-column
+                  Display a status column at left edge of screen.
+  -k [_f_i_l_e]  .  --lesskey-file=[_f_i_l_e]
+                  Use a lesskey file.
+  -K            --quit-on-intr
+                  Exit less in response to ctrl-C.
+  -L  ........  --no-lessopen
+                  Ignore the LESSOPEN environment variable.
+  -m  -M  ....  --long-prompt  --LONG-PROMPT
+                  Set prompt style.
+  -n  -N  ....  --line-numbers  --LINE-NUMBERS
+                  Don't use line numbers.
+  -o [_f_i_l_e]  .  --log-file=[_f_i_l_e]
+                  Copy to log file (standard input only).
+  -O [_f_i_l_e]  .  --LOG-FILE=[_f_i_l_e]
+                  Copy to log file (unconditionally overwrite).
+  -p [_p_a_t_t_e_r_n]  --pattern=[_p_a_t_t_e_r_n]
+                  Start at pattern (from command line).
+  -P [_p_r_o_m_p_t]   --prompt=[_p_r_o_m_p_t]
+                  Define new prompt.
+  -q  -Q  ....  --quiet  --QUIET  --silent --SILENT
+                  Quiet the terminal bell.
+  -r  -R  ....  --raw-control-chars  --RAW-CONTROL-CHARS
+                  Output "raw" control characters.
+  -s  ........  --squeeze-blank-lines
+                  Squeeze multiple blank lines.
+  -S  ........  --chop-long-lines
+                  Chop (truncate) long lines rather than wrapping.
+  -t [_t_a_g]  ..  --tag=[_t_a_g]
+                  Find a tag.
+  -T [_t_a_g_s_f_i_l_e] --tag-file=[_t_a_g_s_f_i_l_e]
+                  Use an alternate tags file.
+  -u  -U  ....  --underline-special  --UNDERLINE-SPECIAL
+                  Change handling of backspaces.
+  -V  ........  --version
+                  Display the version number of "less".
+  -w  ........  --hilite-unread
+                  Highlight first new line after forward-screen.
+  -W  ........  --HILITE-UNREAD
+                  Highlight first new line after any forward movement.
+  -x [_N[,...]]  --tabs=[_N[,...]]
+                  Set tab stops.
+  -X  ........  --no-init
+                  Don't use termcap init/deinit strings.
+  -y [_N]  ....  --max-forw-scroll=[_N]
+                  Forward scroll limit.
+  -z [_N]  ....  --window=[_N]
+                  Set size of window.
+  -" [_c[_c]]  .  --quotes=[_c[_c]]
+                  Set shell quote characters.
+  -~  ........  --tilde
+                  Don't display tildes after end of file.
+  -# [_N]  ....  --shift=[_N]
+                  Horizontal scroll amount (0 = one half screen width)
+      ........  --no-keypad
+                  Don't send termcap keypad init/deinit strings.
+      ........  --follow-name
+                  The F command changes files if the input file is renamed.
+      ........  --use-backslash
+                  Subsequent options use backslash as escape char.
+
+
+ ---------------------------------------------------------------------------
+
+                          LLIINNEE EEDDIITTIINNGG
+
+        These keys can be used to edit text being entered 
+        on the "command line" at the bottom of the screen.
+
+ RightArrow ..................... ESC-l ... Move cursor right one character.
+ LeftArrow ...................... ESC-h ... Move cursor left one character.
+ ctrl-RightArrow  ESC-RightArrow  ESC-w ... Move cursor right one word.
+ ctrl-LeftArrow   ESC-LeftArrow   ESC-b ... Move cursor left one word.
+ HOME ........................... ESC-0 ... Move cursor to start of line.
+ END ............................ ESC-$ ... Move cursor to end of line.
+ BACKSPACE ................................ Delete char to left of cursor.
+ DELETE ......................... ESC-x ... Delete char under cursor.
+ ctrl-BACKSPACE   ESC-BACKSPACE ........... Delete word to left of cursor.
+ ctrl-DELETE .... ESC-DELETE .... ESC-X ... Delete word under cursor.
+ ctrl-U ......... ESC (MS-DOS only) ....... Delete entire line.
+ UpArrow ........................ ESC-k ... Retrieve previous command line.
+ DownArrow ...................... ESC-j ... Retrieve next command line.
+ TAB ...................................... Complete filename & cycle.
+ SHIFT-TAB ...................... ESC-TAB   Complete filename & reverse cycle.
+ ctrl-L ................................... Complete filename, list all.
+
+

build.gradle

@@ -38,7 +38,7 @@ plugins {
 }
 
 group 'cafe'
-version '0.4.1'
+version '0.4.2'
 
 sourceCompatibility = '1.8'
 targetCompatibility = '1.8'

src/main/java/compiler/ir/DeclarativeAssignmentStatement.java

@@ -64,6 +64,10 @@ public SymbolReference getSymbolReference() {
         return symbolReference;
     }
 
+    @Override
+    public String getName(){
+        return symbolReference.getName();
+    }
     @Override
     public List<CafeElement<?>> children() {
         return Collections.singletonList(expressionStatement);

src/main/java/compiler/ir/ExpressionStatement.java

@@ -38,4 +38,7 @@ public static ExpressionStatement<?> of(Object expr) {
 
         throw cantConvert("ExpressionStatement", expr);
     }
+    public String getName(){
+        return null;
+    }
 }

src/main/java/compiler/ir/FunctionInvocation.java

@@ -47,7 +47,7 @@ public ExpressionStatement<?> getReference() {
         return ref;
     }
 
-    public static FunctionInvocation create(Object ref, List<Object> args) {
+    public static FunctionInvocation create(Object ref, List<ExpressionStatement<?>> args) {
         List<CafeElement<?>> arguments = new LinkedList<>();
         for (Object arg : args) {
             if (arg instanceof CafeElement<?>) {

src/main/java/compiler/ir/MethodInvocation.java

@@ -41,7 +41,7 @@ private MethodInvocation(ExpressionStatement<?> invokedUpon, List<CafeElement<?>
         this.arguments = arguments;
     }
 
-    public static MethodInvocation create(Object invokedOn, List<Object> args) {
+    public static MethodInvocation create(Object invokedOn, List<ExpressionStatement<?>> args) {
         List<CafeElement<?>> arguments = new LinkedList<>();
         for (Object arg : args) {
             if (arg instanceof CafeElement) {

src/main/java/compiler/ir/OperatorType.java

@@ -38,6 +38,7 @@ public enum OperatorType {
     TIMES("*"),
     DIVIDE("/"),
     MODULO("%"),
+    TILDE("~"),
 
     POW("**"),
     FLOOR("//"),

src/main/java/compiler/ir/PropertyAccess.java

@@ -29,8 +29,16 @@
 
 package compiler.ir;
 
+import compiler.parser.Tokens;
+import compiler.util.Position;
+
 public class PropertyAccess extends ExpressionStatement<PropertyAccess> {
     private String name;
+    private Tokens.Token firstToken;
+
+    public void setFirstToken(Tokens.Token firstToken) {
+        this.firstToken = firstToken;
+    }
 
     private PropertyAccess(String name) {
         this.name = name;

src/main/java/compiler/ir/ReferenceLookup.java

@@ -29,10 +29,17 @@
 
 package compiler.ir;
 
+import compiler.parser.Tokens;
+import compiler.util.Position;
+
 public class ReferenceLookup extends ExpressionStatement<ReferenceLookup> {
 
     private final String name;
+    private Tokens.Token firstToken;
 
+    public void setFirstToken(Tokens.Token firstToken) {
+        this.firstToken = firstToken;
+    }
     public ReferenceLookup(String name) {
         this.name = name;
     }

src/main/java/compiler/main/CafeCompiler.java

@@ -31,8 +31,6 @@
 
 import compiler.analyzer.SemanticsChecker;
 import compiler.ast.Node;
-import compiler.ast.Node.ProgramNode;
-import compiler.gen.ASTToCafeIrVisitor;
 import compiler.gen.ClosureReferenceVisitor;
 import compiler.gen.JVMByteCodeGenVisitor;
 import compiler.gen.SymbolReferenceAssignmentVisitor;
@@ -86,8 +84,8 @@ public CafeCompiler(String sourceFile) {
     enum Phase {
         INIT,
         PARSE,
-        ANALYZE,
         IR,
+        //     ANALYZE,
         GEN
     }
 
@@ -115,16 +113,17 @@ public CompilerResult compile() {
                     fileManager.setSourceFile(sourceFile);
                     break;
                 case PARSE:
-                    parser = parserFactory.newParser(ParserType.MAINPARSER, fileManager.asCharList());
-                    programNode = parser.parse();
-                    break;
-                case ANALYZE:
-//                    System.out.println((char) 27 + "[33m" + "\nPrettyPrint");
-//                    new PrettyPrinter().prettyPrint(programNode);
-                    analyzer.visitProgram((ProgramNode) programNode);
+                    parser = parserFactory.newParser(ParserType.IRParser, fileManager.asCharList());
+                    module = parser.parse(moduleName);
+                    System.out.println("Success " + module);
                     break;
+//                case ANALYZE:
+////                    System.out.println((char) 27 + "[33m" + "\nPrettyPrint");
+////                    new PrettyPrinter().prettyPrint(programNode);
+////                    analyzer.visitProgram((ProgramNode) programNode);
+//                    break;
                 case IR:
-                    module = new ASTToCafeIrVisitor().transform((ProgramNode) programNode, moduleName);
+//                    module = new ASTToCafeIrVisitor().transform((ProgramNode) programNode, moduleName);
                     module.accept(new ClosureReferenceVisitor());
                     module.accept(new SymbolReferenceAssignmentVisitor());
                     break;