public inbox for frysk-cvs@sourceware.org
help / color / mirror / Atom feed
* [SCM] master: Replace TabException with CompletionException; simplify.
@ 2007-11-16 17:07 cagney
0 siblings, 0 replies; only message in thread
From: cagney @ 2007-11-16 17:07 UTC (permalink / raw)
To: frysk-cvs
The branch, master has been updated
via c9bca79bdca4785a6ca8209aaab7ffcf8ea24d1c (commit)
from c0c08f0972f8bf58b60bad249421032b17e55f63 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email.
- Log -----------------------------------------------------------------
commit c9bca79bdca4785a6ca8209aaab7ffcf8ea24d1c
Author: Andrew Cagney <cagney@redhat.com>
Date: Fri Nov 16 12:03:25 2007 -0500
Replace TabException with CompletionException; simplify.
frysk-core/frysk/debuginfo/ChangeLog
2007-11-16 Andrew Cagney <cagney@redhat.com>
* DebugInfo.java (complete(DebugInfoFrame,String,int,List)): Catch
CompletionException instead of TabException. Do not attempt to
handle structures.
frysk-core/frysk/expr/ChangeLog
2007-11-16 Andrew Cagney <cagney@redhat.com>
* TabException.java: Delete.
* CExpr.g (bTabPressed): Delete.
(tab_expression): Delete.
(primary_expression): Fold into scope_expression; when IDENT_TAB
throw IncompleteIdentifierException.
(IDENT_TAB): Rename TAB.
* CompletionException.java: New.
* IncompleteTokenException.java: New.
* IncompleteIdentifierException.java: New.
* IncompleteMemberException.java: New.
-----------------------------------------------------------------------
Summary of changes:
frysk-core/frysk/debuginfo/ChangeLog | 6 ++
frysk-core/frysk/debuginfo/DebugInfo.java | 14 +---
frysk-core/frysk/expr/CExpr.g | 67 ++------------
frysk-core/frysk/expr/ChangeLog | 13 +++
.../frysk/expr/CompletionException.java | 41 ++++++---
.../frysk/expr/IncompleteIdentifierException.java | 18 ++--
.../frysk/expr/IncompleteMemberException.java | 18 ++--
.../frysk/expr/IncompleteTokenException.java | 18 ++--
frysk-core/frysk/expr/TabException.java | 93 --------------------
9 files changed, 81 insertions(+), 207 deletions(-)
copy frysk-sys/frysk/expunit/TerminationException.java => frysk-core/frysk/expr/CompletionException.java (76%)
copy frysk-sys/frysk/expunit/EofException.java => frysk-core/frysk/expr/IncompleteIdentifierException.java (90%)
copy frysk-sys/frysk/expunit/EofException.java => frysk-core/frysk/expr/IncompleteMemberException.java (90%)
copy frysk-sys/frysk/expunit/EofException.java => frysk-core/frysk/expr/IncompleteTokenException.java (90%)
delete mode 100644 frysk-core/frysk/expr/TabException.java
First 500 lines of diff:
diff --git a/frysk-core/frysk/debuginfo/ChangeLog b/frysk-core/frysk/debuginfo/ChangeLog
index 92762d1..ebf74ae 100644
--- a/frysk-core/frysk/debuginfo/ChangeLog
+++ b/frysk-core/frysk/debuginfo/ChangeLog
@@ -1,3 +1,9 @@
+2007-11-16 Andrew Cagney <cagney@redhat.com>
+
+ * DebugInfo.java (complete(DebugInfoFrame,String,int,List)): Catch
+ CompletionException instead of TabException. Do not attempt to
+ handle structures.
+
007-11-15 Sami Wagiaalla <swagiaal@redhat.com>
DwarfDie::getDataMemberLocation now throws DwAttributeNotFoundException
diff --git a/frysk-core/frysk/debuginfo/DebugInfo.java b/frysk-core/frysk/debuginfo/DebugInfo.java
index 34304af..cd17386 100644
--- a/frysk-core/frysk/debuginfo/DebugInfo.java
+++ b/frysk-core/frysk/debuginfo/DebugInfo.java
@@ -109,23 +109,17 @@ public class DebugInfo {
// FIXME: Why is this ignored?
} catch (antlr.TokenStreamException ignore) {
// FIXME: Why is this ignored?
- } catch (frysk.expr.TabException t) {
- token = t.getTabExpression().trim();
+ } catch (frysk.expr.CompletionException t) {
+ token = t.getText();
}
DwarfDie[] allDies = die.getScopes(pc - bias.bias);
List candidates_p = die.getScopeVarNames(allDies, token);
- boolean haveStruct = false;
- if (token.endsWith("."))
- haveStruct = true;
for (Iterator i = candidates_p.iterator(); i.hasNext();) {
- String sNext = (haveStruct ? "." : "") + (String) i.next();
+ String sNext = (String) i.next();
candidates.add(sNext);
}
-
- if (haveStruct)
- token = ".";
// XXX: This is a big kludge (but less of a kludge than
// .indexOf.
return buffer.lastIndexOf(token);
@@ -222,8 +216,6 @@ public class DebugInfo {
throw new RuntimeException(r);
} catch (antlr.TokenStreamException t) {
throw new RuntimeException(t);
- } catch (frysk.expr.TabException t) {
- throw new RuntimeException(t);
}
AST exprAST = parser.getAST();
diff --git a/frysk-core/frysk/expr/CExpr.g b/frysk-core/frysk/expr/CExpr.g
index 45f0a05..58a0dbc 100644
--- a/frysk-core/frysk/expr/CExpr.g
+++ b/frysk-core/frysk/expr/CExpr.g
@@ -90,20 +90,12 @@ options {
}
{
-/**
- * A member variable to keep track of TAB completions requests.
- * If this is true the normal course of action is to simply
- * bail out by throwing an exception
- */
- private boolean bTabPressed;
private int assign_stmt_RHS_found;
//private String sInputExpression;
protected CExprParser(TokenStream lexer, String sInput)
{
this(lexer);
- bTabPressed = false;
- //sInputExpression = sInput;
}
}
@@ -342,42 +334,17 @@ postfix_expression!
{ ## = #astPostExpr; }
;
+/**
+ * The TAB over here is not part of the C++ grammar.
+ * This enables auto-completion by allowing the user
+ * to press TAB whenever auto-completion is required
+ */
+
scope_expression
: identifier (SCOPE identifier)*
+ | IDENT_TAB { throw new IncompleteIdentifierException(#IDENT_TAB); }
| SCOPE identifier
| LPAREN! expressionList RPAREN!
- | tab_expression
- ;
-
-tab_expression
- { String sTabText; }
- // should subscript, component, call, post inc/dec be moved here?
- : post_expr1:primary_expression
- {
- if (bTabPressed) {
- // ??? Use antlr expressions instead of tree surgery.
- if (#post_expr1.getFirstChild() != null)
- if (#post_expr1.getFirstChild().getNextSibling() != null)
- sTabText = #post_expr1.getFirstChild().getNextSibling().getText();
- else
- sTabText = #post_expr1.getFirstChild().getText();
- else
- sTabText = #post_expr1.getText();
-
- throw new TabException(#post_expr1, sTabText);
- }
- }
- ;
-
-/**
- * The TAB over here is not part of the C++ grammar.
- * This enables auto-completion by allowing the user
- * to press TAB whenever auto-completion is required
- */
-primary_expression
- : TAB
- { bTabPressed = true;
- }
| constant
| "this"
;
@@ -409,22 +376,6 @@ constant
| "false"
;
-/***
- * TabException is raised everytime the TAB is pressed.
- * The parser thus bails out immediately and returns the
- * parse tree constructed so far.
- */
-/* ??? add (identifier | (TAB {bTabPressed = true;})) */
-/*DOT!
-( tb:TAB
- {
- bTabPressed = true;
- astPostExpr = #(#[MEMBER, "Member"], #astPostExpr, #tb);
- }
- | id_expr1:identifier
- { astPostExpr = #(#[MEMBER, "Member"], #astPostExpr, #id_expr1); }
-)*/
-
/*---------------------------------------------------------------------------
* The Lexer
*---------------------------------------------------------------------------*/
@@ -506,9 +457,9 @@ options {testLiterals = true;}
* but also when a TAB is hit after an incomplete identifier.
*/
-TAB
+IDENT_TAB
: '\t'
- | IDENT {$setType(IDENT);} ('\t' {$setType(TAB);})?
+ | IDENT {$setType(IDENT);} ('\t' {$setType(IDENT_TAB);})?
;
protected
diff --git a/frysk-core/frysk/expr/ChangeLog b/frysk-core/frysk/expr/ChangeLog
index 4a7ee21..1b9f728 100644
--- a/frysk-core/frysk/expr/ChangeLog
+++ b/frysk-core/frysk/expr/ChangeLog
@@ -1,3 +1,16 @@
+2007-11-16 Andrew Cagney <cagney@redhat.com>
+
+ * TabException.java: Delete.
+ * CExpr.g (bTabPressed): Delete.
+ (tab_expression): Delete.
+ (primary_expression): Fold into scope_expression; when IDENT_TAB
+ throw IncompleteIdentifierException.
+ (IDENT_TAB): Rename TAB.
+ * CompletionException.java: New.
+ * IncompleteTokenException.java: New.
+ * IncompleteIdentifierException.java: New.
+ * IncompleteMemberException.java: New.
+
2007-11-15 Andrew Cagney <cagney@redhat.com>
* TestArithmetics.java (eval(String)): Do not set setASTNodeClass.
diff --git a/frysk-sys/frysk/expunit/TerminationException.java b/frysk-core/frysk/expr/CompletionException.java
similarity index 76%
copy from frysk-sys/frysk/expunit/TerminationException.java
copy to frysk-core/frysk/expr/CompletionException.java
index 7c69c9f..19aa7a4 100644
--- a/frysk-sys/frysk/expunit/TerminationException.java
+++ b/frysk-core/frysk/expr/CompletionException.java
@@ -37,25 +37,36 @@
// version and license this file solely under the GPL without
// exception.
-package frysk.expunit;
+package frysk.expr;
-/**
- * Thrown an an end-of-file is encountered and nothing else matches.
+import antlr.collections.AST;
+
+/**
+ * An incomplete blah.
*/
-public class TerminationException
- extends RuntimeException
-{
+public class CompletionException extends RuntimeException {
static final long serialVersionUID = 1;
- static private String expecting (int expectedStatus)
- {
- if (expectedStatus >= 0)
- return " (expecting exit with status " + expectedStatus + ")";
- else
- return " (expecting kill with signal " + expectedStatus + ")";
+ private final AST ast;
+ CompletionException(AST ast) {
+ super("completing " + ast);
+ this.ast = ast;
+ }
+ /**
+ * Return the incomplete string (minus the tab).
+ */
+ public String getText() {
+ String text = ast.getText();
+ int tab = text.indexOf("\t");
+ if (tab < 0)
+ throw new RuntimeException("No tab found in " + ast);
+ return text.substring(0, tab);
+ }
+ // Useful?
+ public int getLine() {
+ return ast.getLine();
}
- TerminationException (int expectedStatus, String s)
- {
- super (s + expecting (expectedStatus));
+ public int getColumn() {
+ return ast.getColumn();
}
}
diff --git a/frysk-sys/frysk/expunit/EofException.java b/frysk-core/frysk/expr/IncompleteIdentifierException.java
similarity index 90%
copy from frysk-sys/frysk/expunit/EofException.java
copy to frysk-core/frysk/expr/IncompleteIdentifierException.java
index 19ec3fd..0d4fc82 100644
--- a/frysk-sys/frysk/expunit/EofException.java
+++ b/frysk-core/frysk/expr/IncompleteIdentifierException.java
@@ -37,18 +37,16 @@
// version and license this file solely under the GPL without
// exception.
-package frysk.expunit;
+package frysk.expr;
-/**
- * Thrown an an end-of-file is encountered and nothing else matches.
- */
+import antlr.collections.AST;
-public class EofException
- extends RuntimeException
-{
+/**
+ * An incomplete identifier; e.g.: foo<tab>
+ */
+class IncompleteIdentifierException extends CompletionException {
static final long serialVersionUID = 1;
- EofException ()
- {
- super ("End-of-file encountered");
+ IncompleteIdentifierException(AST identifier) {
+ super(identifier);
}
}
diff --git a/frysk-sys/frysk/expunit/EofException.java b/frysk-core/frysk/expr/IncompleteMemberException.java
similarity index 90%
copy from frysk-sys/frysk/expunit/EofException.java
copy to frysk-core/frysk/expr/IncompleteMemberException.java
index 19ec3fd..fc093d5 100644
--- a/frysk-sys/frysk/expunit/EofException.java
+++ b/frysk-core/frysk/expr/IncompleteMemberException.java
@@ -37,18 +37,16 @@
// version and license this file solely under the GPL without
// exception.
-package frysk.expunit;
+package frysk.expr;
-/**
- * Thrown an an end-of-file is encountered and nothing else matches.
- */
+import antlr.collections.AST;
-public class EofException
- extends RuntimeException
-{
+/**
+ * An incomplete field member; e.g.: structure.field<tab>
+ */
+class IncompleteMemberException extends CompletionException {
static final long serialVersionUID = 1;
- EofException ()
- {
- super ("End-of-file encountered");
+ IncompleteMemberException(AST member) {
+ super(member);
}
}
diff --git a/frysk-sys/frysk/expunit/EofException.java b/frysk-core/frysk/expr/IncompleteTokenException.java
similarity index 90%
copy from frysk-sys/frysk/expunit/EofException.java
copy to frysk-core/frysk/expr/IncompleteTokenException.java
index 19ec3fd..9c2a1cb 100644
--- a/frysk-sys/frysk/expunit/EofException.java
+++ b/frysk-core/frysk/expr/IncompleteTokenException.java
@@ -37,18 +37,16 @@
// version and license this file solely under the GPL without
// exception.
-package frysk.expunit;
+package frysk.expr;
-/**
- * Thrown an an end-of-file is encountered and nothing else matches.
- */
+import antlr.collections.AST;
-public class EofException
- extends RuntimeException
-{
+/**
+ * An incomplete token; e.g.: :<tab>
+ */
+class IncompleteTokenException extends CompletionException {
static final long serialVersionUID = 1;
- EofException ()
- {
- super ("End-of-file encountered");
+ IncompleteTokenException(AST token) {
+ super(token);
}
}
diff --git a/frysk-core/frysk/expr/TabException.java b/frysk-core/frysk/expr/TabException.java
deleted file mode 100644
index 2552f7d..0000000
--- a/frysk-core/frysk/expr/TabException.java
+++ /dev/null
@@ -1,93 +0,0 @@
-// This file is part of the program FRYSK.
-//
-// Copyright 2005, 2007, Red Hat Inc.
-// Copyright 2006 IBM Corp.
-//
-// FRYSK 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; version 2 of the License.
-//
-// FRYSK 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 FRYSK; if not, write to the Free Software Foundation,
-// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-//
-// In addition, as a special exception, Red Hat, Inc. gives You the
-// additional right to link the code of FRYSK with code not covered
-// under the GNU General Public License ("Non-GPL Code") and to
-// distribute linked combinations including the two, subject to the
-// limitations in this paragraph. Non-GPL Code permitted under this
-// exception must only link to the code of FRYSK through those well
-// defined interfaces identified in the file named EXCEPTION found in
-// the source code files (the "Approved Interfaces"). The files of
-// Non-GPL Code may instantiate templates or use macros or inline
-// functions from the Approved Interfaces without causing the
-// resulting work to be covered by the GNU General Public
-// License. Only Red Hat, Inc. may make changes or additions to the
-// list of Approved Interfaces. You must obey the GNU General Public
-// License in all respects for all of the FRYSK code and other code
-// used in conjunction with FRYSK except the Non-GPL Code covered by
-// this exception. If you modify this file, you may extend this
-// exception to your version of the file, but you are not obligated to
-// do so. If you do not wish to provide this exception without
-// modification, you must delete this exception statement from your
-// version and license this file solely under the GPL without
-// exception.
-
-package frysk.expr;
-
-import antlr.collections.AST;
-
-/**
- * An that should be thrown when a <TAB> key is pressed.
- *
- * The constructor takes an AST (abstract syntax tree) as
- * argument. This is the the partial AST generated thus far by the
- * parser.
- */
-
-public class TabException extends RuntimeException
-{
- static final long serialVersionUID = 1;
-
- private AST astExpression;
- private String sTabExpression;
-
- /**
- * The constructor takes an AST (abstract syntax tree) as
- * argument. This is the the partial AST generated thus far by the
- * parser. The second argument is the incomplete identifier that
- * the user may have typed in. It may or may not be null
- */
- public TabException(AST astPartial, String sTabExpression) {
- astExpression = astPartial;
- this.sTabExpression = sTabExpression;
- }
-
- /**
- * As the name suggests, this function returns the partial AST
- * associated with this Exception
- */
- public AST getAst() {
- return astExpression;
- }
-
- /**
- * Return the partial identifier that the user may have keyed in
- */
- public String getTabExpression() {
- return sTabExpression;
- }
-
-
- /**
- * Returns a lisp style representation of the AST
- */
- public String toString() {
- return astExpression.toStringList();
- }
-}
hooks/post-receive
--
frysk system monitor/debugger
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2007-11-16 17:07 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-11-16 17:07 [SCM] master: Replace TabException with CompletionException; simplify cagney
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).