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@q porgexpr.w @>
@q Created by Laurence Finston Do Feb 3 17:51:02 CET 2005 @>
@q * (0) Copyright and License.@>
@q This file is part of GNU 3DLDF, a package for three-dimensional drawing. @>
@q Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, @>
@q 2011, 2012, 2013 The Free Software Foundation @>
@q GNU 3DLDF is free software; you can redistribute it and/or modify @>
@q it under the terms of the GNU General Public License as published by @>
@q the Free Software Foundation; either version 3 of the License, or @>
@q (at your option) any later version. @>
@q GNU 3DLDF is distributed in the hope that it will be useful, @>
@q but WITHOUT ANY WARRANTY; without even the implied warranty of @>
@q MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the @>
@q GNU General Public License for more details. @>
@q You should have received a copy of the GNU General Public License @>
@q along with GNU 3DLDF; if not, write to the Free Software @>
@q Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA @>
@q GNU 3DLDF is a GNU package. @>
@q It is part of the GNU Project of the @>
@q Free Software Foundation @>
@q and is published under the GNU General Public License. @>
@q See the website http://www.gnu.org @>
@q for more information. @>
@q GNU 3DLDF is available for downloading from @>
@q http://www.gnu.org/software/3dldf/LDF.html. @>
@q (``@@'' stands for a single at-sign in the following paragraph.) @>
@q Please send bug reports to Laurence.Finston@@gmx.de @>
@q The mailing list help-3dldf@@gnu.org is available for people to @>
@q ask other users for help. @>
@q The mailing list info-3dldf@@gnu.org is for sending @>
@q announcements to users. To subscribe to these mailing lists, send an @>
@q email with ``subscribe <email-address>'' as the subject. @>
@q The author can be contacted at: @>
@q Laurence D. Finston @>
@q c/o Free Software Foundation, Inc. @>
@q 51 Franklin St, Fifth Floor @>
@q Boston, MA 02110-1301 @>
@q USA @>
@q Laurence.Finston@@gmx.de (@@ stands for a single ``at'' sign.)@>
@q * (0) origami_figure expressions. @>
@** \origami figure expressions>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Created this file.
\ENDLOG
@q * (1) origami_figure primary. @>
@* \origami figure primary>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this type declaration.
\ENDLOG
@<Type declarations for non-terminal symbols@>=
@=%type <pointer_value> origami_figure_primary@>@/
@q ** (2) origami_figure_primary --> origami_figure_variable.@>
@*1 \origami figure primary> $\longrightarrow$ \origami figure variable>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=origami_figure_primary: origami_figure_variable@>@/
{
Id_Map_Entry_Node entry = static_cast<Id_Map_Entry_Node>(@=$1@>);
if (entry == static_cast<Id_Map_Entry_Node>(0) || entry->object == static_cast<void*>(0))
{
@=$$@> = static_cast<void*>(0);
} /* |if (entry == 0 || entry->object == 0)| */
else /* |entry != 0 && entry->object != 0| */
@=$$@> = static_cast<void*>(create_new<Origami_Figure>(
static_cast<Origami_Figure*>(
entry->object)));
};
@q ** (2) origami_figure_primary --> LEFT_PARENTHESIS origami_figure_expression @>
@q ** (2) RIGHT_PARENTHESIS. @>
@*1 \origami figure primary> $\longrightarrow$ \.{LEFT\_PARENTHESIS}
\origami figure expression> \.{RIGHT\_PARENTHESIS}.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=origami_figure_primary: LEFT_PARENTHESIS origami_figure_expression RIGHT_PARENTHESIS@>@/
{
@=$$@> = @=$2@>;
};
@q ** (2) origami_figure_primary --> LAST @>
@q ** (2) origami_figure_vector_expression.@>
@*1 \origami figure primary> $\longrightarrow$
\.{LAST} \origami figure vector expression>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this rule.
\ENDLOG
@q ****** (6) Definition.@>
@<Define rules@>=
@=origami_figure_primary: LAST origami_figure_vector_expression@>@/
{
Origami_Figure* r;
r = create_new<Origami_Figure>(0);
Pointer_Vector<Origami_Figure>* pv
= static_cast<Pointer_Vector<Origami_Figure>*>(@=$2@>);
@q ******* (7) Error handling: |pv == 0|.@>
@ Error handling: |pv == 0|.
\initials{LDF 2005.02.03.}
@<Define rules@>=
if (pv == static_cast<Pointer_Vector<Origami_Figure>*>(0))
{
delete r;
@=$$@> = static_cast<void*>(0);
} /* |if (pv == 0)| */
@q ******* (7) Error handling: |pv->ctr == 0|.@>
@ Error handling: |pv->ctr == 0|.
\initials{LDF 2005.02.03.}
@<Define rules@>=
else if (pv->ctr == 0)
{
delete r;
@=$$@> = static_cast<void*>(0);
} /* |else if (pv->ctr == 0)| */
@q ******* (7) |pv != 0 && pv->ctr > 0|.@>
@ |pv != 0 && pv->ctr > 0|. Set |@=$$@>| to |*(pv->v[pv->ctr - 1])|.
\initials{LDF 2005.02.03.}
@<Define rules@>=
else
{
*r = *(pv->v[pv->ctr - 1]);
@=$$@> = static_cast<void*>(r);
}
@q ******* (7) @>
};
@q * (1) origami_figure secondary.@>
@* \origami figure secondary>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this type declaration.
\ENDLOG
@<Type declarations for non-terminal symbols@>=
@=%type <pointer_value> origami_figure_secondary@>
@q ** (2) origami_figure secondary --> origami_figure_primary.@>
@*1 \origami figure secondary> $\longrightarrow$ \origami figure primary>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=origami_figure_secondary: origami_figure_primary@>@/
{
@=$$@> = @=$1@>;
};
@q ** (2) origami_figure secondary --> origami_figure_secondary transformer.@>
@*1 \origami figure secondary> $\longrightarrow$
\origami figure secondary> \transformer>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this rule.
\initials{LDF 2005.02.04.}
Removed code from this rule, because it caused a compiler error.
This rule is now non-functional; it simply sets the
\origami figure secondary> on the left-hand side to the one on the right-hand
side.
\initials{LDF 2006.01.20.}
@:BUG FIX@> BUG FIX: Now deleting |Transform* t|.
\ENDLOG
@<Define rules@>=
@=origami_figure_secondary: origami_figure_secondary transformer@>@/
{
Transform* t = static_cast<Transform*>(@=$2@>);
delete t;
@=$$@> = static_cast<void*>(@=$1@>);
};
@q * (1) origami_figure tertiary.@>
@* \origami figure tertiary>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this type declaration.
\ENDLOG
@<Type declarations for non-terminal symbols@>=
@=%type <pointer_value> origami_figure_tertiary@>
@q ** (2) origami_figure tertiary --> origami_figure_secondary. @>
@*1 \origami figure tertiary> $\longrightarrow$ \origami figure secondary>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=origami_figure_tertiary: origami_figure_secondary@>@/
{
@=$$@> = @=$1@>;
};
@q * (1) origami_figure expression. @>
@* \origami figure expression>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this type declaration.
\ENDLOG
@<Type declarations for non-terminal symbols@>=
@=%type <pointer_value> origami_figure_expression@>
@q ** (2) origami_figure expression --> origami_figure_tertiary. @>
@*1 \origami figure expression> $\longrightarrow$ \origami figure tertiary>.
\initials{LDF 2005.02.03.}
\LOG
\initials{LDF 2005.02.03.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=origami_figure_expression: origami_figure_tertiary@>@/
{
@=$$@> = @=$1@>;
};
@q * Emacs-Lisp code for use in indirect buffers when using the @>
@q GNU Emacs editor. The local variable list is not evaluated when an @>
@q indirect buffer is visited, so it's necessary to evaluate the @>
@q following s-expression in order to use the facilities normally @>
@q accessed via the local variables list. @>
@q \initials{LDF 2004.02.12}. @>
@q (progn (cweb-mode) (outline-minor-mode t) (setq fill-column 80)) @>
@q Local Variables: @>
@q mode:CWEB @>
@q eval:(outline-minor-mode t) @>
@q abbrev-file-name:"~/.abbrev_defs" @>
@q eval:(read-abbrev-file) @>
@q fill-column:80 @>
@q run-cweave-on-file:"3DLDFprg.web" @>
@q End: @>
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