git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@651 626c5289-ae23-0410-ae9c-e8d60b6d4f22
1026 lines
26 KiB
C++
1026 lines
26 KiB
C++
/* -----------------------------------------------------------------------------
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* scanner.cxx
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*
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* SWIG1.1 tokenizer.
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*
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* Author(s) : David Beazley (beazley@cs.uchicago.edu)
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*
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* Copyright (C) 1998-2000. The University of Chicago
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* Copyright (C) 1995-1998. The University of Utah and The Regents of the
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* University of California.
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*
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* See the file LICENSE for information on usage and redistribution.
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* ----------------------------------------------------------------------------- */
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static char cvsroot[] = "$Header$";
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#include "internal.h"
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#include "parser.h"
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#include <string.h>
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#include <ctype.h>
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extern "C" {
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#include "swig.h"
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}
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#define YYBSIZE 8192
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struct InFile {
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DOHFile *f;
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int line_number;
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char *in_file;
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int extern_mode;
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int force_extern;
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int inline_mode;
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struct InFile *prev;
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};
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InFile *in_head;
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DOHFile *LEX_in = 0;
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static DOHString *header = 0;
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static DOHString *comment = 0;
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DOHString *CCode = 0; // String containing C code
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static char *yybuffer = 0;
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static char yytext[YYBSIZE];
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static int yylen = 0;
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int line_number = 1;
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char *input_file;
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int start_line = 0;
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static int comment_start;
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static int scan_init = 0;
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static int num_brace = 0;
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static int last_brace = 0;
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extern int Error;
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/**************************************************************
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* scanner_init()
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*
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* Initialize buffers
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**************************************************************/
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void scanner_init() {
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yybuffer = (char *) malloc(YYBSIZE);
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scan_init = 1;
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header = NewString("");
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comment = NewString("");
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CCode = NewString("");
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}
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/**************************************************************
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* scanner_file(FILE *f)
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*
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* Start reading from new file
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**************************************************************/
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void scanner_file(DOHFile *f) {
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InFile *in;
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in = (InFile *) malloc(sizeof(InFile));
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in->f = f;
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in->in_file = input_file;
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in->extern_mode = WrapExtern;
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in->force_extern = ForceExtern;
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in->inline_mode = 0;
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if (!in_head) in->prev = 0;
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else in->prev = in_head;
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in_head = in;
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LEX_in = f;
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line_number = 1;
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}
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/**************************************************************
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* scanner_close()
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*
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* Close current input file and go to next
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**************************************************************/
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void scanner_close() {
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InFile *p;
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if (!in_head) return;
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if (in_head->inline_mode) {
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Delete(LEX_in);
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}
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p = in_head->prev;
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if (p != 0) {
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LEX_in = p->f;
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line_number = p->line_number;
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input_file = p->in_file;
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WrapExtern = p->extern_mode;
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ForceExtern = p->force_extern;
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Inline = p->inline_mode;
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} else {
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LEX_in = 0;
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}
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free(in_head);
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in_head = p;
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}
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/**************************************************************
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* char nextchar()
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*
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* gets next character from input.
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* If we're in inlining mode, we actually retrieve a character
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* from inline_yybuffer instead.
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**************************************************************/
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char nextchar() {
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int c = 0;
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while (LEX_in) {
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c = Getc(LEX_in);
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if (c == EOF) {
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scanner_close();
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} else {
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break;
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}
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}
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if (!LEX_in) return 0;
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if (yylen >= YYBSIZE) {
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Printf(stderr,"** FATAL ERROR. Buffer overflow in scanner.cxx.\nReport this to swig-dev@cs.uchicago.edu.\n");
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SWIG_exit(1);
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}
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yytext[yylen] = c;
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yylen++;
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if (c == '\n') {
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line_number++;
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}
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return(c);
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}
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void retract(int n) {
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int i;
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for (i = 0; i < n; i++) {
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yylen--;
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if (yylen >= 0) {
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Ungetc(yytext[yylen],LEX_in);
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if (yytext[yylen] == '\n') {
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line_number--;
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}
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}
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}
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if (yylen < 0) yylen = 0;
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}
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/**************************************************************
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* start_inline(char *text, int line)
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*
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* This grabs a chunk of text and tries to inline it into
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* the current file. (This is kind of wild, but cool when
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* it works).
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*
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* If we're already in inlining mode, we will save the code
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* as a new fragment.
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**************************************************************/
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void start_inline(char *text, int line) {
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InFile *in;
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in = (InFile *) malloc(sizeof(InFile));
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in->f = NewString(text);
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Seek(in->f,0,SEEK_SET);
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in->in_file = Swig_copy_string(input_file);
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in->line_number = line;
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in->extern_mode = WrapExtern;
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in->force_extern = ForceExtern;
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in->inline_mode = 1;
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in->prev = in_head;
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in_head = in;
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LEX_in = in->f;
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line_number = line;
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Inline = 1;
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}
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/**************************************************************
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* yycomment(char *, int line)
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*
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* Inserts a comment into a documentation entry.
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**************************************************************/
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void yycomment(char *, int, int) {
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}
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/**************************************************************
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* void skip_brace(void)
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*
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* Found a {.
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* Skip all characters until we find a matching closed }.
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*
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* This function is used to skip over inlined C code and other
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* garbage found in interface files.
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***************************************************************/
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void skip_brace(void) {
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char c;
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Clear(CCode);
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Putc('{',CCode);
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while (num_brace > last_brace) {
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if ((c = nextchar()) == 0) {
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Printf(stderr,"%s : Line %d. Missing '}'. Reached end of input.\n",
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input_file, line_number);
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FatalError();
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return;
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}
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Putc(c,CCode);
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if (c == '{') num_brace++;
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if (c == '}') num_brace--;
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yylen = 0;
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}
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}
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/**************************************************************
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* void skip_template(void)
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*
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* Found a <.
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* Skip all characters until we find a matching closed >.
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*
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* This function is used to skip over C++ templated types
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* and objective-C protocols.
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***************************************************************/
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void skip_template(void) {
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char c;
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Clear(CCode);
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Putc('<',CCode);
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int num_lt = 1;
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while (num_lt > 0) {
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if ((c = nextchar()) == 0) {
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Printf(stderr,"%s : Line %d. Missing '>'. Reached end of input.\n",
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input_file, line_number);
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FatalError();
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return;
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}
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Putc(c,CCode);
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if (c == '<') num_lt++;
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if (c == '>') num_lt--;
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yylen = 0;
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}
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}
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/**************************************************************
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* void skip_to_end(void)
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*
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* Skips to the @end directive in a Objective-C definition
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**************************************************************/
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void skip_to_end(void) {
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char c;
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int state = 0;
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yylen = 0;
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while ((c = nextchar())){
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switch(state) {
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case 0:
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if (c == '@') state = 1;
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else yylen = 0;
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break;
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case 1:
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if (isspace(c)) {
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if (strncmp(yytext,"@end",4) == 0) return;
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else {
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yylen = 0;
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state = 0;
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}
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} else {
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state = 1;
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}
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break;
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}
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}
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Printf(stderr,"%s : EOF. Missing @end. Reached end of input.\n",
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input_file);
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FatalError();
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return;
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}
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/**************************************************************
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* void skip_decl(void)
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*
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* This tries to skip over an entire declaration. For example
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*
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* friend ostream& operator<<(ostream&, const char *s);
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*
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* or
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* friend ostream& operator<<(ostream&, const char *s) { };
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*
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**************************************************************/
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void skip_decl(void) {
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char c;
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int done = 0;
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while (!done) {
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if ((c = nextchar()) == 0) {
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Printf(stderr,"%s : Line %d. Missing semicolon. Reached end of input.\n",
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input_file, line_number);
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FatalError();
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return;
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}
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if (c == '{') {
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last_brace = num_brace;
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num_brace++;
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break;
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}
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yylen = 0;
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if (c == ';') done = 1;
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}
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if (!done) {
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while (num_brace > last_brace) {
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if ((c = nextchar()) == 0) {
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Printf(stderr,"%s : Line %d. Missing '}'. Reached end of input.\n",
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input_file, line_number);
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FatalError();
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return;
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}
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if (c == '{') num_brace++;
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if (c == '}') num_brace--;
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yylen = 0;
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}
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}
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}
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/**************************************************************
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* int yylook()
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*
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* Lexical scanner.
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* See Aho,Sethi, and Ullman, pg. 106
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**************************************************************/
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int yylook(void) {
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int state;
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char c = 0;
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state = 0;
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yylen = 0;
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while(1) {
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/* printf("State = %d\n", state); */
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switch(state) {
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case 0 :
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if((c = nextchar()) == 0) return(0);
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/* Process delimeters */
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if (c == '\n') {
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state = 0;
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yylen = 0;
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} else if (isspace(c)) {
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state = 0;
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yylen = 0;
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}
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/* Look for single character symbols */
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else if (c == '(') return (LPAREN);
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else if (c == ')') return (RPAREN);
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else if (c == ';') return (SEMI);
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else if (c == ',') return (COMMA);
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else if (c == '*') return (STAR);
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else if (c == '}') {
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num_brace--;
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if (num_brace < 0) {
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Printf(stderr,"%s : Line %d. Error. Extraneous '}' (Ignored)\n",
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input_file, line_number);
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state = 0;
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num_brace = 0;
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} else {
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return (RBRACE);
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}
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}
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else if (c == '{') {
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last_brace = num_brace;
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num_brace++;
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return (LBRACE);
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}
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else if (c == '=') return (EQUAL);
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else if (c == '+') return (PLUS);
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else if (c == '-') return (MINUS);
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else if (c == '&') return (AND);
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else if (c == '|') return (OR);
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else if (c == '^') return (XOR);
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else if (c == '<') state = 60;
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else if (c == '>') state = 61;
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else if (c == '~') return (NOT);
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else if (c == '!') return (LNOT);
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else if (c == '\\') {
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state = 99;
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}
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else if (c == '[') return (LBRACKET);
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else if (c == ']') return (RBRACKET);
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|
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/* Look for multi-character sequences */
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else if (c == '/') state = 1; // Comment (maybe)
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else if (c == '\"') state = 2; // Possibly a string
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else if (c == '#') state = 3; // CPP
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else if (c == '%') state = 4; // Directive
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else if (c == '@') state = 4; // Objective C keyword
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else if (c == ':') state = 5; // maybe double colon
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else if (c == '0') state = 83; // An octal or hex value
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else if (c == '\'') state = 9; // A character constant
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else if (c == '.') state = 100; // Maybe a number, maybe just a period
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else if (c == '`') {
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state = 200; // Back-tick type
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yylen = 0;
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}
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else if (isdigit(c)) state = 8; // A numerical value
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else if ((isalpha(c)) || (c == '_') || (c == '$')) state = 7;
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else state = 99;
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break;
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case 1: /* Comment block */
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if ((c = nextchar()) == 0) return(0);
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if (c == '/') {
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comment_start = line_number;
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Clear(comment);
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Printf(comment," ");
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state = 10; // C++ style comment
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} else if (c == '*') {
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comment_start = line_number;
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Clear(comment);
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Printf(comment," ");
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state = 11; // C style comment
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} else {
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retract(1);
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return(SLASH);
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}
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break;
|
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case 10: /* C++ style comment */
|
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if ((c = nextchar()) == 0) {
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Printf(stderr,"%s : EOF. Unterminated comment detected.\n",input_file);
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FatalError();
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return 0;
|
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}
|
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if (c == '\n') {
|
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Putc(c,comment);
|
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// Add the comment to documentation
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// yycomment(Char(comment),comment_start, column_start);
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yylen = 0;
|
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state = 0;
|
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} else {
|
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state = 10;
|
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Putc(c,comment);
|
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yylen = 0;
|
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}
|
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break;
|
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case 11: /* C style comment block */
|
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if ((c = nextchar()) == 0) {
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Printf(stderr,"%s : EOF. Unterminated comment detected.\n", input_file);
|
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FatalError();
|
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return 0;
|
|
}
|
|
if (c == '*') {
|
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state = 12;
|
|
} else {
|
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Putc(c,comment);
|
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yylen = 0;
|
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state = 11;
|
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}
|
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break;
|
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case 12: /* Still in C style comment */
|
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if ((c = nextchar()) == 0) {
|
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Printf(stderr,"%s : EOF. Unterminated comment detected.\n", input_file);
|
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FatalError();
|
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return 0;
|
|
}
|
|
if (c == '*') {
|
|
Putc(c,comment);
|
|
state = 12;
|
|
} else if (c == '/') {
|
|
Printf(comment," \n");
|
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// yycomment(Char(comment),comment_start,column_start);
|
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yylen = 0;
|
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state = 0;
|
|
} else {
|
|
Putc('*',comment);
|
|
Putc(c,comment);
|
|
yylen = 0;
|
|
state = 11;
|
|
}
|
|
break;
|
|
|
|
case 2: /* Processing a string */
|
|
if ((c = nextchar()) == 0) {
|
|
Printf(stderr,"%s : EOF. Unterminated string detected.\n", input_file);
|
|
FatalError();
|
|
return 0;
|
|
}
|
|
if (c == '\"') {
|
|
yytext[yylen-1] = 0;
|
|
yylval.id = Swig_copy_string(yytext+1);
|
|
return(STRING);
|
|
} else if (c == '\\') {
|
|
state = 21; /* Possibly an escape sequence. */
|
|
break;
|
|
} else state = 2;
|
|
break;
|
|
case 21: /* An escape sequence. get next character, then go
|
|
back to processing strings */
|
|
|
|
if ((c = nextchar()) == 0) return 0;
|
|
state = 2;
|
|
break;
|
|
|
|
case 3: /* a CPP directive */
|
|
if (( c= nextchar()) == 0) return 0;
|
|
if (c == '\n') {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = yytext;
|
|
return(POUND);
|
|
}
|
|
break;
|
|
|
|
case 4: /* A wrapper generator directive (maybe) */
|
|
if (( c= nextchar()) == 0) return 0;
|
|
if (c == '{') {
|
|
state = 40; /* Include block */
|
|
Clear(header);
|
|
start_line = line_number;
|
|
}
|
|
else if ((isalpha(c)) || (c == '_')) state = 7;
|
|
else {
|
|
retract(1);
|
|
state = 99;
|
|
}
|
|
break;
|
|
|
|
case 40: /* Process an include block */
|
|
if ((c = nextchar()) == 0) {
|
|
Printf(stderr,"%s : EOF. Unterminated include block detected.\n", input_file);
|
|
FatalError();
|
|
return 0;
|
|
}
|
|
yylen = 0;
|
|
if (c == '%') state = 41;
|
|
else {
|
|
Putc(c,header);
|
|
yylen = 0;
|
|
state = 40;
|
|
}
|
|
break;
|
|
case 41: /* Still processing include block */
|
|
if ((c = nextchar()) == 0) {
|
|
Printf(stderr,"%s : EOF. Unterminated include block detected.\n", input_file);
|
|
FatalError();
|
|
return 0;
|
|
}
|
|
if (c == '}') {
|
|
yylval.id = Char(header);
|
|
return(HBLOCK);
|
|
} else {
|
|
Putc('%',header);
|
|
Putc(c,header);
|
|
yylen = 0;
|
|
state = 40;
|
|
}
|
|
break;
|
|
|
|
case 5: /* Maybe a double colon */
|
|
|
|
if (( c= nextchar()) == 0) return 0;
|
|
if ( c == ':') return DCOLON;
|
|
else {
|
|
retract(1);
|
|
return COLON;
|
|
}
|
|
|
|
|
|
case 60: /* shift operators */
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if (c == '<') return LSHIFT;
|
|
else {
|
|
retract(1);
|
|
return LESSTHAN;
|
|
}
|
|
break;
|
|
case 61:
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if (c == '>') return RSHIFT;
|
|
else {
|
|
retract(1);
|
|
return GREATERTHAN;
|
|
}
|
|
break;
|
|
case 7: /* Identifier */
|
|
if ((c = nextchar()) == 0) return(0);
|
|
if (isalnum(c) || (c == '_') || (c == '.') || (c == '$')) {
|
|
state = 7;
|
|
} else {
|
|
retract(1);
|
|
return(ID);
|
|
}
|
|
break;
|
|
case 8: /* A numerical digit */
|
|
if ((c = nextchar()) == 0) return(0);
|
|
if (c == '.') {state = 81;}
|
|
else if ((c == 'e') || (c == 'E')) {state = 86;}
|
|
else if ((c == 'f') || (c == 'F')) {
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_FLOAT);
|
|
}
|
|
else if (isdigit(c)) { state = 8;}
|
|
else if ((c == 'l') || (c == 'L')) {
|
|
state = 87;
|
|
} else if ((c == 'u') || (c == 'U')) {
|
|
state = 88;
|
|
} else {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_INT);
|
|
}
|
|
break;
|
|
case 81: /* A floating pointer number of some sort */
|
|
if ((c = nextchar()) == 0) return(0);
|
|
if (isdigit(c)) state = 81;
|
|
else if ((c == 'e') || (c == 'E')) state = 82;
|
|
else if ((c == 'f') || (c == 'F') || (c == 'l') || (c == 'L')) {
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_FLOAT);
|
|
} else {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_FLOAT);
|
|
}
|
|
break;
|
|
case 82:
|
|
if ((c = nextchar()) == 0) return(0);
|
|
if ((isdigit(c)) || (c == '-') || (c == '+')) state = 86;
|
|
else {
|
|
retract(2);
|
|
yytext[yylen-1] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_INT);
|
|
}
|
|
break;
|
|
case 83:
|
|
/* Might be a hexidecimal or octal number */
|
|
if ((c = nextchar()) == 0) return(0);
|
|
if (isdigit(c)) state = 84;
|
|
else if ((c == 'x') || (c == 'X')) state = 85;
|
|
else if (c == '.') state = 81;
|
|
else if ((c == 'l') || (c == 'L')) {
|
|
state = 87;
|
|
} else if ((c == 'u') || (c == 'U')) {
|
|
state = 88;
|
|
} else {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_INT);
|
|
}
|
|
break;
|
|
case 84:
|
|
/* This is an octal number */
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if (isdigit(c)) state = 84;
|
|
else if ((c == 'l') || (c == 'L')) {
|
|
state = 87;
|
|
} else if ((c == 'u') || (c == 'U')) {
|
|
state = 88;
|
|
} else {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_INT);
|
|
}
|
|
break;
|
|
case 85:
|
|
/* This is an hex number */
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if ((isdigit(c)) || (c=='a') || (c=='b') || (c=='c') ||
|
|
(c=='d') || (c=='e') || (c=='f') || (c=='A') ||
|
|
(c=='B') || (c=='C') || (c=='D') || (c=='E') ||
|
|
(c=='F'))
|
|
state = 85;
|
|
else if ((c == 'l') || (c == 'L')) {
|
|
state = 87;
|
|
} else if ((c == 'u') || (c == 'U')) {
|
|
state = 88;
|
|
} else {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_INT);
|
|
}
|
|
break;
|
|
|
|
case 86:
|
|
/* Rest of floating point number */
|
|
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if (isdigit(c)) state = 86;
|
|
else if ((c == 'f') || (c == 'F') || (c == 'l') || (c == 'L')) {
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_FLOAT);
|
|
} else {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_FLOAT);
|
|
}
|
|
/* Parse a character constant. ie. 'a' */
|
|
break;
|
|
|
|
case 87 :
|
|
/* A long integer of some sort */
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if ((c == 'u') || (c == 'U')) {
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_ULONG);
|
|
} else {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_LONG);
|
|
}
|
|
|
|
case 88:
|
|
/* An unsigned integer of some sort */
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if ((c == 'l') || (c == 'L')) {
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_ULONG);
|
|
} else {
|
|
retract(1);
|
|
yytext[yylen] = 0;
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(NUM_UNSIGNED);
|
|
}
|
|
|
|
case 9:
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if (c == '\\') state = 91;
|
|
else if (c == '\'') {
|
|
yytext[yylen-1] = 0;
|
|
yylval.id = Swig_copy_string(yytext+1);
|
|
return(CHARCONST);
|
|
}
|
|
break;
|
|
case 91:
|
|
if ((c = nextchar()) == 0) return 0;
|
|
state = 9;
|
|
break;
|
|
|
|
|
|
case 100:
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if (isdigit(c)) state = 81;
|
|
else {
|
|
retract(1);
|
|
return(PERIOD);
|
|
}
|
|
break;
|
|
case 200:
|
|
if ((c = nextchar()) == 0) return (0);
|
|
if (c == '`') {
|
|
yytext[yylen-1] = 0;
|
|
yylval.type = NewString(yytext);
|
|
return(TYPE_RAW);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
if (!Error) {
|
|
Printf(stderr,"%s : Line %d ::Illegal character '%c'=%d.\n",input_file, line_number,c,c);
|
|
FatalError();
|
|
}
|
|
state = 0;
|
|
Error = 1;
|
|
return(ILLEGAL);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int check_typedef = 0;
|
|
|
|
void scanner_check_typedef() {
|
|
check_typedef = 1;
|
|
}
|
|
|
|
void scanner_ignore_typedef() {
|
|
check_typedef = 0;
|
|
}
|
|
|
|
|
|
/**************************************************************
|
|
* int yylex()
|
|
*
|
|
* Gets the lexene and returns tokens.
|
|
*************************************************************/
|
|
|
|
extern "C" int yylex(void) {
|
|
|
|
int l;
|
|
|
|
if (!scan_init) {
|
|
scanner_init();
|
|
// if (LEX_in == NULL) LEX_in = stdin;
|
|
// scanner_file(LEX_in);
|
|
}
|
|
|
|
l = yylook();
|
|
|
|
/* We got some sort of non-white space object. We set the start_line
|
|
variable unless it has already been set */
|
|
|
|
if (!start_line) {
|
|
start_line = line_number;
|
|
}
|
|
|
|
/* Copy the lexene */
|
|
|
|
yytext[yylen] = 0;
|
|
|
|
switch(l) {
|
|
|
|
case ID:
|
|
|
|
/* Look for keywords now */
|
|
|
|
if (strcmp(yytext,"int") == 0) {
|
|
yylval.type = NewSwigType(T_INT);
|
|
return(TYPE_INT);
|
|
}
|
|
if (strcmp(yytext,"double") == 0) {
|
|
yylval.type = NewSwigType(T_DOUBLE);
|
|
return(TYPE_DOUBLE);
|
|
}
|
|
if (strcmp(yytext,"void") == 0) {
|
|
yylval.type = NewSwigType(T_VOID);
|
|
return(TYPE_VOID);
|
|
}
|
|
if (strcmp(yytext,"char") == 0) {
|
|
yylval.type = NewSwigType(T_CHAR);
|
|
return(TYPE_CHAR);
|
|
}
|
|
if (strcmp(yytext,"short") == 0) {
|
|
yylval.type = NewSwigType(T_SHORT);
|
|
return(TYPE_SHORT);
|
|
}
|
|
if (strcmp(yytext,"long") == 0) {
|
|
yylval.type = NewSwigType(T_LONG);
|
|
return(TYPE_LONG);
|
|
}
|
|
if (strcmp(yytext,"float") == 0) {
|
|
yylval.type = NewSwigType(T_FLOAT);
|
|
return(TYPE_FLOAT);
|
|
}
|
|
if (strcmp(yytext,"signed") == 0) {
|
|
yylval.type = NewSwigType(T_INT);
|
|
return(TYPE_SIGNED);
|
|
}
|
|
if (strcmp(yytext,"unsigned") == 0) {
|
|
yylval.type = NewSwigType(T_UINT);
|
|
return(TYPE_UNSIGNED);
|
|
}
|
|
if (strcmp(yytext,"bool") == 0) {
|
|
yylval.type = NewSwigType(T_BOOL);
|
|
return(TYPE_BOOL);
|
|
}
|
|
// C++ keywords
|
|
|
|
if (CPlusPlus) {
|
|
if (strcmp(yytext,"class") == 0) return(CLASS);
|
|
if (strcmp(yytext,"private") == 0) return(PRIVATE);
|
|
if (strcmp(yytext,"public") == 0) return(PUBLIC);
|
|
if (strcmp(yytext,"protected") == 0) return(PROTECTED);
|
|
if (strcmp(yytext,"friend") == 0) return(FRIEND);
|
|
if (strcmp(yytext,"virtual") == 0) return(VIRTUAL);
|
|
if (strcmp(yytext,"operator") == 0) return(OPERATOR);
|
|
if (strcmp(yytext,"throw") == 0) return(THROW);
|
|
if (strcmp(yytext,"inline") == 0) return(yylex());
|
|
if (strcmp(yytext,"mutable") == 0) return(yylex());
|
|
if (strcmp(yytext,"template") == 0) return(TEMPLATE);
|
|
}
|
|
|
|
// Objective-C keywords
|
|
if ((ObjC) && (yytext[0] == '@')) {
|
|
if (strcmp(yytext,"@interface") == 0) return (OC_INTERFACE);
|
|
if (strcmp(yytext,"@end") == 0) return (OC_END);
|
|
if (strcmp(yytext,"@public") == 0) return (OC_PUBLIC);
|
|
if (strcmp(yytext,"@private") == 0) return (OC_PRIVATE);
|
|
if (strcmp(yytext,"@protected") == 0) return (OC_PROTECTED);
|
|
if (strcmp(yytext,"@class") == 0) return(OC_CLASS);
|
|
if (strcmp(yytext,"@implementation") == 0) return(OC_IMPLEMENT);
|
|
if (strcmp(yytext,"@protocol") == 0) return(OC_PROTOCOL);
|
|
}
|
|
|
|
// Misc keywords
|
|
|
|
if (strcmp(yytext,"static") == 0) return(STATIC);
|
|
if (strcmp(yytext,"extern") == 0) return(EXTERN);
|
|
if (strcmp(yytext,"const") == 0) return(CONST);
|
|
if (strcmp(yytext,"struct") == 0) return(STRUCT);
|
|
if (strcmp(yytext,"union") == 0) return(UNION);
|
|
if (strcmp(yytext,"enum") == 0) return(ENUM);
|
|
if (strcmp(yytext,"sizeof") == 0) return(SIZEOF);
|
|
|
|
if (strcmp(yytext,"typedef") == 0) {
|
|
yylval.ivalue = 0;
|
|
return(TYPEDEF);
|
|
}
|
|
|
|
// Ignored keywords
|
|
|
|
if (strcmp(yytext,"volatile") == 0) return(yylex());
|
|
|
|
// SWIG directives
|
|
|
|
if (yytext[0] == '%') {
|
|
if (strcmp(yytext,"%module") == 0) return(MODULE);
|
|
if (strcmp(yytext,"%init") == 0) return(INIT);
|
|
if (strcmp(yytext,"%wrapper") == 0) return(WRAPPER);
|
|
if (strcmp(yytext,"%readonly") == 0) return(READONLY);
|
|
if (strcmp(yytext,"%readwrite") == 0) return(READWRITE);
|
|
if (strcmp(yytext,"%name") == 0) return(NAME);
|
|
if (strcmp(yytext,"%rename") == 0) return(RENAME);
|
|
if (strcmp(yytext,"%includefile") == 0) return(INCLUDE);
|
|
if (strcmp(yytext,"%externfile") == 0) return(WEXTERN);
|
|
if (strcmp(yytext,"%val") == 0) {
|
|
Printf(stderr,"%s:%d %%val directive deprecated (ignored).\n", input_file, line_number);
|
|
return (yylex());
|
|
}
|
|
if (strcmp(yytext,"%out") == 0) {
|
|
Printf(stderr,"%s:%d %%out directive deprecated (ignored).\n", input_file, line_number);
|
|
return(yylex());
|
|
}
|
|
if (strcmp(yytext,"%constant") == 0) return(CONSTANT);
|
|
if (strcmp(yytext,"%macro") == 0) return(SWIGMACRO);
|
|
|
|
if (strcmp(yytext,"%section") == 0) {
|
|
yylval.ivalue = line_number;
|
|
return(SECTION);
|
|
}
|
|
if (strcmp(yytext,"%subsection") == 0) {
|
|
yylval.ivalue = line_number;
|
|
return(SUBSECTION);
|
|
}
|
|
if (strcmp(yytext,"%subsubsection") == 0) {
|
|
yylval.ivalue = line_number;
|
|
return (SUBSUBSECTION);
|
|
}
|
|
if (strcmp(yytext,"%title") == 0) {
|
|
yylval.ivalue = line_number;
|
|
return(TITLE);
|
|
}
|
|
if (strcmp(yytext,"%style") == 0) return(STYLE);
|
|
if (strcmp(yytext,"%localstyle") == 0) return(LOCALSTYLE);
|
|
if (strcmp(yytext,"%typedef") == 0) {
|
|
yylval.ivalue = 1;
|
|
return(TYPEDEF);
|
|
}
|
|
if (strcmp(yytext,"%alpha") == 0) return(ALPHA_MODE);
|
|
if (strcmp(yytext,"%raw") == 0) return(RAW_MODE);
|
|
if (strcmp(yytext,"%text") == 0) return(TEXT);
|
|
if (strcmp(yytext,"%native") == 0) return(NATIVE);
|
|
if (strcmp(yytext,"%disabledoc") == 0) return(DOC_DISABLE);
|
|
if (strcmp(yytext,"%enabledoc") == 0) return(DOC_ENABLE);
|
|
if (strcmp(yytext,"%pragma") == 0) return(PRAGMA);
|
|
if (strcmp(yytext,"%addmethods") == 0) return(ADDMETHODS);
|
|
if (strcmp(yytext,"%inline") == 0) return(INLINE);
|
|
if (strcmp(yytext,"%typemap") == 0) return(TYPEMAP);
|
|
if (strcmp(yytext,"%except") == 0) return(EXCEPT);
|
|
if (strcmp(yytext,"%importfile") == 0) return(IMPORT);
|
|
if (strcmp(yytext,"%echo") == 0) return(ECHO);
|
|
if (strcmp(yytext,"%new") == 0) return(NEW);
|
|
if (strcmp(yytext,"%apply") == 0) return(APPLY);
|
|
if (strcmp(yytext,"%clear") == 0) return(CLEAR);
|
|
if (strcmp(yytext,"%doconly") == 0) return(DOCONLY);
|
|
}
|
|
// Have an unknown identifier, as a last step, we'll
|
|
// do a typedef lookup on it.
|
|
|
|
if (check_typedef) {
|
|
if (SwigType_istypedef(yytext)) {
|
|
yylval.type = NewString(yytext);
|
|
return(TYPE_TYPEDEF);
|
|
}
|
|
}
|
|
|
|
yylval.id = Swig_copy_string(yytext);
|
|
return(ID);
|
|
default:
|
|
return(l);
|
|
}
|
|
}
|
|
|
|
// --------------------------------------------------------------
|
|
// scanner_clear_start()
|
|
//
|
|
// Clears the start of a declaration
|
|
// --------------------------------------------------------------
|
|
|
|
void scanner_clear_start() {
|
|
start_line = 0;
|
|
}
|