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|
@q pprbexpr.w @>
@q Created by Laurence Finston Mon Nov 7 19:41:56 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) parabola expressions. @>
@** parabola expressions.
\initials{LDF 2005.11.07.}
\LOG
\initials{LDF 2005.11.07.}
Created this file.
\ENDLOG
@q * (1) parabola_primary. @>
@* \parabola primary>.
\initials{LDF 2005.11.07.}
\LOG
\initials{LDF 2005.11.07.}
Added this type declaration.
\ENDLOG
@<Type declarations for non-terminal symbols@>=
@=%type <pointer_value> parabola_primary@>@/
@q ** (2) parabola_primary --> parabola_variable.@>
@*1 \parabola primary> $\longrightarrow$ \parabola variable>.
\LOG
\initials{LDF 2005.11.07.}
Added this rule.
\ENDLOG
@q *** (3) Definition.@>
@<Define rules@>=
@=parabola_primary: parabola_variable@>@/
{
@<Common declarations for rules@>@;
#if DEBUG_COMPILE
DEBUG = false; /* |true| */ @;
if (DEBUG)
{
cerr_strm << thread_name
<< "*** Parser: `parabola_primary --> parabola_variable'.";
log_message(cerr_strm);
cerr_message(cerr_strm);
cerr_strm.str("");
}
#endif /* |DEBUG_COMPILE| */@;
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<Parabola>(
static_cast<Parabola*>(
entry->object)));
};
@q ** (2) parabola_primary --> LEFT_PARENTHESIS parabola_expression @>
@q ** (2) RIGHT_PARENTHESIS @>
@*1 \parabola primary> $\longrightarrow$ \.{\LP}
\parabola expression> \.{\RP}.
\LOG
\initials{LDF 2005.11.07.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=parabola_primary: LEFT_PARENTHESIS parabola_expression RIGHT_PARENTHESIS@>@/
{
@<Common declarations for rules@>@;
#if DEBUG_COMPILE
DEBUG = false; /* |true| */ @;
if (DEBUG)
{
cerr_strm << thread_name
<< "*** Parser: 'parabola_primary --> "
<< "LEFT_PARENTHESIS parabola_expression RIGHT_PARENTHESIS'.";
log_message(cerr_strm);
cerr_message(cerr_strm);
cerr_strm.str("");
}
#endif /* |DEBUG_COMPILE| */@;
@=$$@> = @=$2@>;
};
@q ***** (5) parabola_primary --> LAST @>
@q ***** (5) parabola_vector_expression.@>
@*4 \parabola primary> $\longrightarrow$
\.{LAST} \parabola vector expression>.
\initials{LDF 2005.11.07.}
\LOG
\initials{LDF 2005.11.07.}
Added this rule.
\ENDLOG
@q ****** (6) Definition.@>
@<Define rules@>=
@=parabola_primary: LAST parabola_vector_expression@>@/
{
@<Common declarations for rules@>@;
#if DEBUG_COMPILE
DEBUG = false; /* |true| */ @;
if (DEBUG)
{
cerr_strm << thread_name << "*** Parser: `parabola_primary "
<< "--> LAST parabola_vector_expression'.";
log_message(cerr_strm);
cerr_message(cerr_strm);
cerr_strm.str("");
}
#endif /* |DEBUG_COMPILE| */
@q ******* (7) @>
Parabola* c;
try
{
c = create_new<Parabola>(0);
}
catch (bad_alloc)
{
cerr_strm << thread_name << "ERROR! In `yyparse()', rule "
<< "`parabola_primary "
<< "--> LAST parabola_vector_expression':"
<< endl << "`create_new<Parabola>()' failed. "
<< "Rethrowing `bad_alloc'.";
log_message(cerr_strm);
cerr_message(cerr_strm, error_stop_value);
cerr_strm.str("");
throw;
} /* |catch (bad_alloc)| */
@q ******* (7) @>
Pointer_Vector<Parabola>* pv
= static_cast<Pointer_Vector<Parabola>*>(@=$2@>);
@q ******* (7) Error handling: |pv == 0|.@>
@ Error handling: |pv == 0|.
\initials{LDF 2005.11.07.}
@<Define rules@>=
if (pv == static_cast<Pointer_Vector<Parabola>*>(0))
{
cerr_strm << thread_name
<< "ERROR! In `yyparse()', rule "
<< endl
<< "`parabola_primary "
<< "--> LAST parabola_vector_expression':"
<< endl << "Invalid `parabola_vector_expression'. "
<< "Setting `parabola_primary' to 0"
<< endl << "and will try to continue.";
log_message(cerr_strm);
cerr_message(cerr_strm, error_stop_value);
cerr_strm.str("");
delete c;
@=$$@> = static_cast<void*>(0);
} /* |if (pv == 0)| */
@q ******* (7) Error handling: |pv->ctr == 0|.@>
@ Error handling: |pv->ctr == 0|.
\initials{LDF 2005.11.07.}
@<Define rules@>=
else if (pv->ctr == 0)
{
cerr_strm << thread_name
<< "ERROR! In `yyparse()', rule "
<< endl
<< "`parabola_primary "
<< "--> LAST parabola_vector_expression':"
<< endl << "`parabola_vector_expression' is empty. "
<< "Setting `parabola_primary' to 0"
<< endl << "and will try to continue.";
log_message(cerr_strm);
cerr_message(cerr_strm, error_stop_value);
cerr_strm.str("");
delete c;
@=$$@> = static_cast<void*>(0);
} /* |else if (pv->ctr == 0)| */
@q ******* (7) |pv != 0 && pv->ctr > 0|.@>
@ |pv != 0 && pv->ctr > 0|. Set |@=$$@>| to |*(pv->v[pv->ctr - 1])|.
\initials{LDF 2005.11.07.}
@<Define rules@>=
else
{
*c = *(pv->v[pv->ctr - 1]);
@=$$@> = static_cast<void*>(c);
}
@q ******* (7) @>
};
@q ** (2) parabola_primary --> GET_PARABOLA point_vector_primary@>
@*1 \parabola primary> $\longrightarrow$ \.{GET\_PARABOLA}
\point vector primary>.
\initials{LDF 2007.07.03.}
\LOG
\initials{LDF 2007.07.03.}
Added this rule.
\ENDLOG
@q *** (3) Definition.@>
@<Define rules@>=
@=parabola_primary: GET_PARABOLA point_vector_primary numeric_primary@>@/
{
@=$$@> = get_conic_section_func<Parabola>(
static_cast<Pointer_Vector<Point>*>(@=$2@>),
static_cast<int>(@=$3@>),
Shape::PARABOLA_TYPE,
static_cast<Parabola*>(0),
parameter);
};
@q ** (2) parabola_primary --> GET_PARABOLA conic_section_lattice_expression@>
@*1 \parabola primary> $\longrightarrow$ \.{GET\_PARABOLA}
\conic section lattice expression>.
\initials{LDF 2007.09.26.}
\LOG
\initials{LDF 2007.09.26.}
Added this rule.
\ENDLOG
@q *** (3) Definition.@>
@<Define rules@>=
@=parabola_primary: GET_PARABOLA conic_section_lattice_expression@>@/
{
Conic_Section_Lattice* c = static_cast<Conic_Section_Lattice*>(@=$2@>);
@=$$@> = (c) ? c->get_parabola(static_cast<Scanner_Node>(parameter))
: @=$$@> = static_cast<void*>(0);
};
@q * (1) parabola_secondary. @>
@* \parabola secondary>.
\initials{LDF 2005.11.07.}
\LOG
\initials{LDF 2005.11.07.}
Added this type declaration.
\ENDLOG
@<Type declarations for non-terminal symbols@>=
@=%type <pointer_value> parabola_secondary@>
@q ** (2) parabola secondary --> parabola_primary.@>
@*1 \parabola secondary> $\longrightarrow$ \parabola primary>.
\LOG
\initials{LDF 2005.11.07.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=parabola_secondary: parabola_primary@>@/
{
#if DEBUG_COMPILE
bool DEBUG = false; /* |true| */ @;
if (DEBUG)
{
cerr << "\n*** Parser: parabola_secondary --> parabola_primary "
<< endl;
}
#endif /* |DEBUG_COMPILE| */@;
@=$$@> = @=$1@>;
};
@q ** (2) parabola secondary --> parabola_secondary transformer. @>
@*1 \parabola secondary> $\longrightarrow$ \parabola secondary>
\transformer>.
\LOG
\initials{LDF 2005.11.07.}
Added this rule.
\initials{LDF 2006.01.20.}
@:BUG FIX@> BUG FIX: Now deleting |Transform* t|.
\ENDLOG
@<Define rules@>=
@=parabola_secondary: parabola_secondary transformer@>@/
{
Parabola* p = static_cast<Parabola*>(@=$1@>);
Transform* t = static_cast<Transform*>(@=$2@>);
*p *= *t;
delete t;
@=$$@> = static_cast<void*>(p);
};
@q * (1) parabola tertiary.@>
@* \parabola tertiary>.
\initials{LDF 2005.11.07.}
\LOG
\initials{LDF 2005.11.07.}
Added this type declaration.
\ENDLOG
@<Type declarations for non-terminal symbols@>=
@=%type <pointer_value> parabola_tertiary@>
@q ** (2) parabola tertiary --> parabola_secondary. @>
@*1 \parabola tertiary> $\longrightarrow$ \parabola secondary>.
\initials{LDF 2005.11.07.}
\LOG
\initials{LDF 2005.11.07.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=parabola_tertiary: parabola_secondary@>@/
{
@<Common declarations for rules@>@;
#if DEBUG_COMPILE
DEBUG = false; /* |true| */ @;
if (DEBUG)
{
cerr_strm << thread_name
<< "*** Parser: `parabola_tertiary --> parabola_secondary'.";
log_message(cerr_strm);
cerr_message(cerr_strm);
cerr_strm.str();
}
#endif /* |DEBUG_COMPILE| */@;
@=$$@> = @=$1@>;
};
@q * (1) parabola expression.@>
@* \parabola expression>.
\initials{LDF 2005.11.07.}
\LOG
\initials{LDF 2005.11.07.}
Added this type declaration.
\ENDLOG
@<Type declarations for non-terminal symbols@>=
@=%type <pointer_value> parabola_expression@>
@q ** (2) parabola expression --> parabola_tertiary. @>
@*1 \parabola expression> $\longrightarrow$ \parabola tertiary>.
\LOG
\initials{LDF 2005.11.07.}
Added this rule.
\ENDLOG
@<Define rules@>=
@=parabola_expression: parabola_tertiary@>@/
{
@<Common declarations for rules@>@;
#if DEBUG_COMPILE
DEBUG = false; /* |true| */ @;
if (DEBUG)
{
cerr_strm << thread_name
<< "*** Parser: `parabola_expression --> parabola_tertiary'.";
log_message(cerr_strm);
cerr_message(cerr_strm);
cerr_strm.str();
}
#endif /* |DEBUG_COMPILE| */@;
@=$$@> = @=$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 70)) @>
@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:70 @>
@q run-cweave-on-file:"3DLDFprg.web" @>
@q End: @>
|
