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Major cleanup of comments

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@128 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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Dave Beazley 2000-01-20 05:45:58 +00:00
commit fc2fb1ff98
25 changed files with 769 additions and 853 deletions
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56
SWIG/Source/Preprocessor/expr.c
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@ -1,31 +1,19 @@
/****************************************************************************
* Simplified Wrapper and Interface Generator (SWIG)
*
* Author : David Beazley
*
* Department of Computer Science
* University of Chicago
* 1100 E 58th Street
* Chicago, IL 60637
* beazley@cs.uchicago.edu
*
* Please read the file LICENSE for the copyright and terms by which SWIG
* can be used and distributed.
****************************************************************************/
#include "preprocessor.h"
/* -----------------------------------------------------------------------------
/* -----------------------------------------------------------------------------
* expr.c
*
* This is your basic ol' integer arithmetic expression evaluator. Could have
* used yacc for this, but it generates something like 1000 lines of code
* (whereas this implementation is much smaller).
* Integer arithmetic expression evaluator used to handle expressions
* encountered during preprocessing.
*
* Author(s) : David Beazley (beazley@cs.uchicago.edu)
*
* This module is primarily for use by the preprocessor and any other parts of
* the compiler that need to perform compile-time expression evaluation.
* Copyright (C) 1999-2000. The University of Chicago
* See the file LICENSE for information on usage and redistribution.
* ----------------------------------------------------------------------------- */
static char cvsroot[] = "$Header$";
#include "preprocessor.h"
static SwigScanner *scan = 0;
typedef struct {
@ -172,23 +160,25 @@ static void reduce_op() {
}
/* -----------------------------------------------------------------------------
* void Preprocessor_expr_init()
* Preprocessor_expr_init()
*
* Initialize the expression evaluator
* ----------------------------------------------------------------------------- */
void Preprocessor_expr_init() {
void
Preprocessor_expr_init() {
if (!expr_init) init_precedence();
if (!scan) scan = NewSwigScanner();
}
/* -----------------------------------------------------------------------------
* int Preprocessor_expr(DOH *s, int *error)
* Preprocessor_expr()
*
* Evaluates an arithmetic expression in s.
* Evaluates an arithmetic expression. Returns the result and sets an error code.
* ----------------------------------------------------------------------------- */
int Preprocessor_expr(DOH *s, int *error) {
int
Preprocessor_expr(DOH *s, int *error) {
int token = 0;
int op = 0;
@ -328,8 +318,14 @@ int Preprocessor_expr(DOH *s, int *error) {
return 0;
}
/* Return the expression error message */
char *Preprocessor_expr_error() {
/* -----------------------------------------------------------------------------
* Preprocessor_expr_error()
*
* Return error message set by the evaluator (if any)
* ----------------------------------------------------------------------------- */
char *
Preprocessor_expr_error() {
return errmsg;
}