Eliminate tabs and trailing spaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21441 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 177 insertions, 177 deletions

diff --git a/utils/Burg/lex.c b/utils/Burg/lex.c
index 85eb8a7..4fec1bf 100644
--- a/utils/Burg/lex.c
+++ b/utils/Burg/lex.c
@@ -23,237 +23,237 @@ static void ReadOldComment ARGS((ReadFn));
 static char *
 StrCopy(s) char *s;
 {
-	char *t = (char *)zalloc(strlen(s) + 1);
-	strcpy(t,s);
-	return t;
+  char *t = (char *)zalloc(strlen(s) + 1);
+  strcpy(t,s);
+  return t;
 }
 
 static int
 simple_get()
 {
-	int ch;
-	if ((ch = getchar()) == '\n') {
-		yyline++;
-	}
-	return ch;
+  int ch;
+  if ((ch = getchar()) == '\n') {
+    yyline++;
+  }
+  return ch;
 }
 
 static int
 code_get()
 {
-	int ch;
-	if ((ch = getchar()) == '\n') {
-		yyline++;
-	}
-	if (ch != EOF) {
-		fputc(ch, outfile);
-	}
-	return ch;
+  int ch;
+  if ((ch = getchar()) == '\n') {
+    yyline++;
+  }
+  if (ch != EOF) {
+    fputc(ch, outfile);
+  }
+  return ch;
 }
 
 void
 yypurge()
 {
-	while (code_get() != EOF) ;
+  while (code_get() != EOF) ;
 }
 
 
 static void
 ReadCharString(rdfn, which) ReadFn rdfn; int which;
 {
-	int ch;
-	int backslash = 0;
-	int firstline = yyline;
+  int ch;
+  int backslash = 0;
+  int firstline = yyline;
 
-	while ((ch = rdfn()) != EOF) {
-		if (ch == which && !backslash) {
-			return;
-		}
-		if (ch == '\\' && !backslash) {
-			backslash = 1;
-		} else {
-			backslash = 0;
-		}
-	}
-	yyerror1("Unexpected EOF in string on line ");
-	fprintf(stderr, "%d\n", firstline);
-	exit(1);
+  while ((ch = rdfn()) != EOF) {
+    if (ch == which && !backslash) {
+      return;
+    }
+    if (ch == '\\' && !backslash) {
+      backslash = 1;
+    } else {
+      backslash = 0;
+    }
+  }
+  yyerror1("Unexpected EOF in string on line ");
+  fprintf(stderr, "%d\n", firstline);
+  exit(1);
 }
 
 static void
 ReadOldComment(rdfn) ReadFn rdfn;
 {
-	/* will not work for comments delimiter in string */
+  /* will not work for comments delimiter in string */
 
-	int ch;
-	int starred = 0;
-	int firstline = yyline;
+  int ch;
+  int starred = 0;
+  int firstline = yyline;
 
-	while ((ch = rdfn()) != EOF) {
-		if (ch == '*') {
-			starred = 1;
-		} else if (ch == '/' && starred) {
-			return;
-		} else {
-			starred = 0;
-		}
-	}
-	yyerror1("Unexpected EOF in comment on line ");
-	fprintf(stderr, "%d\n", firstline);
-	exit(1);
+  while ((ch = rdfn()) != EOF) {
+    if (ch == '*') {
+      starred = 1;
+    } else if (ch == '/' && starred) {
+      return;
+    } else {
+      starred = 0;
+    }
+  }
+  yyerror1("Unexpected EOF in comment on line ");
+  fprintf(stderr, "%d\n", firstline);
+  exit(1);
 }
 
 static void
 ReadCodeBlock()
 {
-	int ch;
-	int firstline = yyline;
+  int ch;
+  int firstline = yyline;
 
-	while ((ch = getchar()) != EOF) {
-		if (ch == '%') {
-			ch = getchar();
-			if (ch != '}') {
-				yyerror("bad %%");
-			}
-			return;
-		}
-		fputc(ch, outfile);
-		if (ch == '\n') {
-			yyline++;
-		}
-		if (ch == '"' || ch == '\'') {
-			ReadCharString(code_get, ch);
-		} else if (ch == '/') {
-			ch = getchar();
-			if (ch == '*') {
-				fputc(ch, outfile);
-				ReadOldComment(code_get);
-				continue;
-			} else {
-				ungetc(ch, stdin);
-			}
-		}
-	}
-	yyerror1("Unclosed block of C code started on line ");
-	fprintf(stderr, "%d\n", firstline);
-	exit(1);
+  while ((ch = getchar()) != EOF) {
+    if (ch == '%') {
+      ch = getchar();
+      if (ch != '}') {
+        yyerror("bad %%");
+      }
+      return;
+    }
+    fputc(ch, outfile);
+    if (ch == '\n') {
+      yyline++;
+    }
+    if (ch == '"' || ch == '\'') {
+      ReadCharString(code_get, ch);
+    } else if (ch == '/') {
+      ch = getchar();
+      if (ch == '*') {
+        fputc(ch, outfile);
+        ReadOldComment(code_get);
+        continue;
+      } else {
+        ungetc(ch, stdin);
+      }
+    }
+  }
+  yyerror1("Unclosed block of C code started on line ");
+  fprintf(stderr, "%d\n", firstline);
+  exit(1);
 }
 
 static int done;
 void
 yyfinished()
 {
-	done = 1;
+  done = 1;
 }
 
 int
 yylex()
 {
-	int ch;
-	char *ptr = buf;
+  int ch;
+  char *ptr = buf;
 
-	if (done) return 0;
-	while ((ch = getchar()) != EOF) {
-		switch (ch) {
-		case ' ':
-		case '\f':
-		case '\t':
-			continue;
-		case '\n':
-			yyline++;
-			continue;
-		case '(':
-		case ')':
-		case ',':
-		case ':':
-		case ';':
-		case '=':
-			return(ch);
-		case '/':
-			ch = getchar();
-			if (ch == '*') {
-				ReadOldComment(simple_get);
-				continue;
-			} else {
-				ungetc(ch, stdin);
-				yyerror("illegal char /");
-				continue;
-			}
-		case '%':
-			ch = getchar();
-			switch (ch) {
-			case '%':
-				return (K_PPERCENT);
-			case '{':
-				ReadCodeBlock();
-				continue;
-			case 's':
-			case 'g':
-			case 't':
-				do {
-					if (ptr >= &buf[BUFSIZ]) {
-						yyerror("ID too long");
-						return(ERROR);
-					} else {
-						*ptr++ = ch;
-					}
-					ch = getchar();
-				} while (isalpha(ch) || isdigit(ch) || ch == '_');
-				ungetc(ch, stdin);
-				*ptr = '\0';
-				if (!strcmp(buf, "term")) return K_TERM;
-				if (!strcmp(buf, "start")) return K_START;
-				if (!strcmp(buf, "gram")) return K_GRAM;
-				yyerror("illegal character after %%");
-				continue;
-			default:
-				yyerror("illegal character after %%");
-				continue;
-			}
-		default:
-			if (isalpha(ch) ) {
-				do {
-					if (ptr >= &buf[BUFSIZ]) {
-						yyerror("ID too long");
-						return(ERROR);
-					} else {
-						*ptr++ = ch;
-					}
-					ch = getchar();
-				} while (isalpha(ch) || isdigit(ch) || ch == '_');
-				ungetc(ch, stdin);
-				*ptr = '\0';
-				yylval.y_string = StrCopy(buf);
-				return(ID);
-			} 
-			if (isdigit(ch)) {
-				int val=0;
-				do {
-					val *= 10;
-					val += (ch - '0');
-					ch = getchar();
-				} while (isdigit(ch));
-				ungetc(ch, stdin);
-				yylval.y_int = val;
-				return(INT);
-			}
-			yyerror1("illegal char ");
-			fprintf(stderr, "(\\%03o)\n", ch);
-			exit(1);
-		}
-	}
-	return(0);
+  if (done) return 0;
+  while ((ch = getchar()) != EOF) {
+    switch (ch) {
+    case ' ':
+    case '\f':
+    case '\t':
+      continue;
+    case '\n':
+      yyline++;
+      continue;
+    case '(':
+    case ')':
+    case ',':
+    case ':':
+    case ';':
+    case '=':
+      return(ch);
+    case '/':
+      ch = getchar();
+      if (ch == '*') {
+        ReadOldComment(simple_get);
+        continue;
+      } else {
+        ungetc(ch, stdin);
+        yyerror("illegal char /");
+        continue;
+      }
+    case '%':
+      ch = getchar();
+      switch (ch) {
+      case '%':
+        return (K_PPERCENT);
+      case '{':
+        ReadCodeBlock();
+        continue;
+      case 's':
+      case 'g':
+      case 't':
+        do {
+          if (ptr >= &buf[BUFSIZ]) {
+            yyerror("ID too long");
+            return(ERROR);
+          } else {
+            *ptr++ = ch;
+          }
+          ch = getchar();
+        } while (isalpha(ch) || isdigit(ch) || ch == '_');
+        ungetc(ch, stdin);
+        *ptr = '\0';
+        if (!strcmp(buf, "term")) return K_TERM;
+        if (!strcmp(buf, "start")) return K_START;
+        if (!strcmp(buf, "gram")) return K_GRAM;
+        yyerror("illegal character after %%");
+        continue;
+      default:
+        yyerror("illegal character after %%");
+        continue;
+      }
+    default:
+      if (isalpha(ch) ) {
+        do {
+          if (ptr >= &buf[BUFSIZ]) {
+            yyerror("ID too long");
+            return(ERROR);
+          } else {
+            *ptr++ = ch;
+          }
+          ch = getchar();
+        } while (isalpha(ch) || isdigit(ch) || ch == '_');
+        ungetc(ch, stdin);
+        *ptr = '\0';
+        yylval.y_string = StrCopy(buf);
+        return(ID);
+      }
+      if (isdigit(ch)) {
+        int val=0;
+        do {
+          val *= 10;
+          val += (ch - '0');
+          ch = getchar();
+        } while (isdigit(ch));
+        ungetc(ch, stdin);
+        yylval.y_int = val;
+        return(INT);
+      }
+      yyerror1("illegal char ");
+      fprintf(stderr, "(\\%03o)\n", ch);
+      exit(1);
+    }
+  }
+  return(0);
 }
 
 void yyerror1(const char *str)
 {
-	fprintf(stderr, "line %d: %s", yyline, str);
+  fprintf(stderr, "line %d: %s", yyline, str);
 }
 
 void
 yyerror(const char *str)
 {
-	yyerror1(str);
-	fprintf(stderr, "\n");
-	exit(1);
+  yyerror1(str);
+  fprintf(stderr, "\n");
+  exit(1);
 }