1 | /**************************************** |
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2 | * Computer Algebra System SINGULAR * |
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3 | ****************************************/ |
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4 | /* $Id: febase.cc,v 1.99 2003-08-26 13:28:44 Singular Exp $ */ |
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5 | /* |
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6 | * ABSTRACT: i/o system |
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7 | */ |
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8 | |
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9 | #include "mod2.h" |
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10 | |
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11 | /* I need myfread in standalone_parser */ |
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12 | #ifndef STANDALONE_PARSER |
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13 | |
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14 | #include <stdlib.h> |
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15 | #include <stdio.h> |
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16 | #include <mylimits.h> |
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17 | #include <stdarg.h> |
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18 | #include <sys/stat.h> |
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19 | #include <ctype.h> |
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20 | #ifndef __MWERKS__ |
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21 | #include <unistd.h> |
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22 | #endif |
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23 | #ifdef NeXT |
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24 | #include <sys/file.h> |
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25 | #endif |
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26 | #ifdef ix86_Linux_libc5 |
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27 | #undef stdin |
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28 | extern FILE *stdin; |
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29 | #endif |
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30 | |
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31 | #ifdef HAVE_PWD_H |
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32 | #include "pwd.h" |
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33 | #endif |
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34 | |
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35 | #include "tok.h" |
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36 | #include "febase.h" |
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37 | #include "omalloc.h" |
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38 | #include "subexpr.h" |
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39 | #include "ipshell.h" |
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40 | #include "dError.h" |
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41 | #include "sdb.h" |
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42 | |
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43 | #define fePutChar(c) fputc((uchar)(c),stdout) |
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44 | /*0 implementation */ |
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45 | |
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46 | char fe_promptstr[] |
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47 | #ifdef macintosh |
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48 | =" \n"; |
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49 | #else |
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50 | =" "; |
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51 | #endif |
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52 | |
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53 | #define INITIAL_PRINT_BUFFER 24*1024 |
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54 | static int feBufferLength=INITIAL_PRINT_BUFFER; |
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55 | static char * feBuffer=(char *)omAlloc(INITIAL_PRINT_BUFFER); |
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56 | |
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57 | int si_echo = 0; |
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58 | int printlevel = 0; |
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59 | #ifndef macintosh |
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60 | int pagelength = 24; |
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61 | #else |
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62 | int pagelength = -1; |
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63 | #endif |
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64 | int colmax = 80; |
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65 | char prompt_char = '>'; /*1 either '>' or '.'*/ |
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66 | extern "C" { |
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67 | BITSET verbose = 1 |
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68 | | Sy_bit(V_REDEFINE) |
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69 | | Sy_bit(V_LOAD_LIB) |
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70 | | Sy_bit(V_SHOW_USE) |
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71 | | Sy_bit(V_PROMPT) |
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72 | /* | Sy_bit(V_DEBUG_MEM) */ |
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73 | ;} |
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74 | BOOLEAN errorreported = FALSE; |
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75 | char * feErrors=NULL; |
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76 | int feErrorsLen=0; |
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77 | BOOLEAN feWarn = TRUE; |
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78 | BOOLEAN feOut = TRUE; |
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79 | |
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80 | #ifdef macintosh |
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81 | static int lines = 0; |
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82 | static int cols = 0; |
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83 | #endif |
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84 | |
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85 | const char feNotImplemented[]="not implemented"; |
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86 | |
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87 | BOOLEAN feProt = FALSE; |
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88 | FILE* feProtFile; |
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89 | BOOLEAN tclmode=FALSE; |
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90 | /* TCL-Protocoll (Singular -x): <char type>:<int length>:<string> \n |
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91 | * E:l:s error |
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92 | * W:l:s warning |
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93 | * N:l:s stdout |
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94 | * Q:0: quit |
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95 | * P:l: prompt > (ring defined) |
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96 | * U:l: prompt > (no ring defined) |
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97 | * P:l: prompt . |
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98 | * R:l:<ring-name> ring change |
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99 | * L:l:<lib name> library loaded |
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100 | * O:l:<list of options(space seperated)> option change |
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101 | * M:l:<mem-usage> output from "option(mem)" |
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102 | */ |
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103 | |
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104 | |
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105 | /************************************************************************** |
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106 | * handling of 'voices' |
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107 | **************************************************************************/ |
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108 | |
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109 | extern int blocknest; /* scaner.l internal */ |
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110 | |
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111 | int yy_noeof=0; // the scanner "state" |
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112 | int yy_blocklineno; // to get the lineno of the block start from scanner |
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113 | Voice *currentVoice = NULL; |
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114 | FILE *feFilePending; /*temp. storage for grammar.y */ |
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115 | |
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116 | static char * BT_name[]={"BT_none","BT_break","BT_proc","BT_example", |
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117 | "BT_file","BT_execute","BT_if","BT_else"}; |
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118 | /*2 |
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119 | * the name of the current 'Voice': the procname (or filename) |
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120 | */ |
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121 | const char * VoiceName() |
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122 | { |
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123 | if ((currentVoice!=NULL) |
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124 | && (currentVoice->filename!=NULL)) |
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125 | return currentVoice->filename; |
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126 | return sNoName; |
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127 | } |
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128 | |
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129 | /*2 |
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130 | * the calling chain of Voices |
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131 | */ |
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132 | void VoiceBackTrack() |
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133 | { |
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134 | Voice *p=currentVoice; |
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135 | while (p->prev!=NULL) |
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136 | { |
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137 | p=p->prev; |
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138 | char *s=p->filename; |
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139 | if (s==NULL) |
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140 | PrintS("-- called from ? --\n"); |
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141 | else |
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142 | Print("-- called from %s --\n",s); |
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143 | } |
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144 | } |
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145 | |
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146 | /*2 |
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147 | * init a new voice similiar to the current |
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148 | */ |
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149 | void Voice::Next() |
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150 | { |
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151 | Voice *p=new Voice; |
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152 | // OB: ??? |
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153 | // Hmm... when Singular is used as batch file |
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154 | // then this voice is never freed |
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155 | omMarkAsStaticAddr(p); |
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156 | if (currentVoice != NULL) |
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157 | { |
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158 | currentVoice->curr_lineno=yylineno; |
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159 | currentVoice->next=p; |
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160 | } |
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161 | p->prev=currentVoice; |
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162 | currentVoice=p; |
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163 | //Print("Next:"); |
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164 | } |
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165 | |
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166 | feBufferTypes Voice::Typ() |
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167 | { |
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168 | switch(typ) |
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169 | { |
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170 | case BT_proc: |
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171 | case BT_example: |
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172 | case BT_file: |
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173 | return typ; |
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174 | default: |
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175 | if (prev==NULL) return (feBufferTypes)0; |
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176 | return prev->Typ(); |
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177 | } |
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178 | } |
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179 | |
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180 | /*2 |
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181 | * start the file 'fname' (STDIN is stdin) as a new voice (cf.VFile) |
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182 | * return FALSE on success, TRUE if an error occurs (file cannot be opened) |
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183 | */ |
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184 | BOOLEAN newFile(char *fname,FILE* f) |
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185 | { |
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186 | currentVoice->Next(); |
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187 | //Print(":File%d(%s):%s(%x)\n", |
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188 | // currentVoice->typ,BT_name[currentVoice->typ],fname,currentVoice); |
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189 | currentVoice->filename = omStrDup(fname); |
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190 | omMarkAsStaticAddr(currentVoice->filename); |
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191 | if (strcmp(fname,"STDIN") == 0) |
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192 | { |
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193 | currentVoice->files = stdin; |
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194 | currentVoice->sw = BI_stdin; |
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195 | currentVoice->start_lineno = 1; |
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196 | } |
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197 | else |
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198 | { |
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199 | currentVoice->sw = BI_file; /* needed by exitVoice below */ |
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200 | if (f!=NULL) |
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201 | currentVoice->files = f; |
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202 | else |
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203 | { |
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204 | currentVoice->files = feFopen(fname,"r",NULL,TRUE); |
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205 | if (currentVoice->files==NULL) |
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206 | { |
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207 | exitVoice(); |
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208 | return TRUE; |
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209 | } |
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210 | } |
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211 | currentVoice->start_lineno = 0; |
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212 | } |
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213 | yylineno=currentVoice->start_lineno; |
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214 | //Voice *p=currentVoice; |
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215 | //Print("-----------------\ncurr:"); |
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216 | //do |
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217 | //{ |
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218 | //Print("voice fn:%s\n",p->filename); |
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219 | //p=p->prev; |
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220 | //} |
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221 | //while (p!=NULL); |
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222 | //Print("----------------\n"); |
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223 | return FALSE; |
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224 | } |
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225 | |
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226 | void newBuffer(char* s, feBufferTypes t, procinfo* pi, int lineno) |
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227 | { |
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228 | currentVoice->Next(); |
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229 | //Print(":Buffer%d(%s):%s(%x)\n", |
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230 | // t,BT_name[t],pname,currentVoice); |
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231 | if (pi!=NULL) |
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232 | { |
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233 | int l=strlen(pi->procname); |
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234 | if (pi->libname!=NULL) l+=strlen(pi->libname); |
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235 | currentVoice->filename = (char *)omAlloc(l+3); |
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236 | *currentVoice->filename='\0'; |
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237 | if (pi->libname!=NULL) strcat(currentVoice->filename,pi->libname); |
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238 | strcat(currentVoice->filename,"::"); |
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239 | strcat(currentVoice->filename,pi->procname); |
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240 | currentVoice->pi = pi; |
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241 | } |
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242 | else |
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243 | { |
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244 | currentVoice->filename = omStrDup(currentVoice->prev->filename); |
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245 | currentVoice->pi = currentVoice->prev->pi; |
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246 | } |
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247 | currentVoice->buffer = s; |
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248 | currentVoice->sw = BI_buffer; |
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249 | currentVoice->typ = t; |
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250 | switch (t) |
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251 | { |
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252 | case BT_execute: |
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253 | yylineno-=2; |
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254 | break; |
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255 | case BT_proc: |
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256 | case BT_example: |
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257 | currentVoice->oldb=myynewbuffer(); |
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258 | yylineno = lineno+1; |
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259 | break; |
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260 | case BT_if: |
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261 | case BT_else: |
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262 | case BT_break: |
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263 | yylineno = yy_blocklineno-1; |
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264 | break; |
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265 | //case BT_file: |
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266 | default: |
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267 | yylineno = 1; |
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268 | break; |
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269 | } |
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270 | //Print("start body (%s) at line %d\n",BT_name[t],yylineno); |
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271 | currentVoice->start_lineno = yylineno; |
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272 | //printf("start buffer typ %d\n",t); |
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273 | //Voice *p=currentVoice; |
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274 | //Print("-----------------\ncurr:"); |
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275 | //do |
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276 | //{ |
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277 | //Print("voice fn:%s\n",p->filename); |
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278 | //p=p->prev; |
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279 | //} |
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280 | //while (p!=NULL); |
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281 | //Print("----------------\n"); |
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282 | } |
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283 | |
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284 | /*2 |
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285 | * exit Buffer of type 'typ': |
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286 | * returns 1 if buffer type could not be found |
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287 | */ |
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288 | BOOLEAN exitBuffer(feBufferTypes typ) |
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289 | { |
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290 | //printf("exitBuffer: %d(%s),(%x)\n", |
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291 | // typ,BT_name[typ], currentVoice); |
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292 | //Voice *p=currentVoice; |
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293 | //Print("-----------------\ncurr:"); |
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294 | //do |
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295 | //{ |
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296 | //Print("voice fn:%s\n",p->filename); |
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297 | //p=p->prev; |
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298 | //} |
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299 | //while (p!=NULL); |
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300 | //Print("----------------\n"); |
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301 | if (typ == BT_break) // valid inside for, while. may skip if, else |
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302 | { |
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303 | /*4 first check for valid buffer type, skip if/else*/ |
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304 | Voice *p=currentVoice; |
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305 | loop |
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306 | { |
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307 | if ((p->typ != BT_if) |
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308 | &&(p->typ != BT_else)) |
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309 | { |
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310 | if (p->typ == BT_break /*typ*/) |
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311 | { |
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312 | while (p != currentVoice) |
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313 | { |
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314 | exitVoice(); |
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315 | } |
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316 | exitVoice(); |
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317 | return FALSE; |
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318 | } |
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319 | else return TRUE; |
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320 | } |
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321 | if (p->prev==NULL) break; |
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322 | p=p->prev; |
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323 | } |
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324 | /*4 break not inside a for/while: return an error*/ |
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325 | if (/*typ*/ BT_break != currentVoice->typ) return 1; |
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326 | return exitVoice(); |
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327 | } |
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328 | |
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329 | if ((typ == BT_proc) |
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330 | || (typ == BT_example)) |
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331 | { |
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332 | Voice *p=currentVoice; |
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333 | loop |
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334 | { |
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335 | if ((p->typ == BT_proc) |
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336 | || (p->typ == BT_example)) |
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337 | { |
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338 | while (p != currentVoice) |
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339 | { |
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340 | exitVoice(); |
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341 | } |
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342 | exitVoice(); |
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343 | return FALSE; |
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344 | } |
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345 | if (p->prev==NULL) break; |
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346 | p=p->prev; |
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347 | } |
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348 | } |
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349 | /*4 return not inside a proc: return an error*/ |
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350 | return TRUE; |
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351 | } |
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352 | |
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353 | /*2 |
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354 | * jump to the beginning of a buffer |
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355 | */ |
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356 | BOOLEAN contBuffer(feBufferTypes typ) |
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357 | { |
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358 | //printf("contBuffer: %d(%s),(%x)\n", |
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359 | // typ,BT_name[typ], currentVoice); |
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360 | if (typ == BT_break) // valid inside for, while. may skip if, else |
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361 | { |
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362 | // first check for valid buffer type |
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363 | Voice *p=currentVoice; |
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364 | loop |
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365 | { |
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366 | if ((p->typ != BT_if) |
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367 | &&(p->typ != BT_else)) |
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368 | { |
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369 | if (p->typ == BT_break /*typ*/) |
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370 | { |
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371 | while (p != currentVoice) |
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372 | { |
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373 | exitVoice(); |
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374 | } |
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375 | yylineno = currentVoice->start_lineno; |
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376 | currentVoice->fptr=0; |
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377 | return FALSE; |
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378 | } |
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379 | else return TRUE; |
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380 | } |
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381 | if (p->prev==NULL) break; |
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382 | p=p->prev; |
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383 | } |
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384 | } |
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385 | return TRUE; |
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386 | } |
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387 | |
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388 | /*2 |
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389 | * leave a voice: kill local variables |
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390 | * setup everything from the previous level |
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391 | * return 1 if leaving the top level, 0 otherwise |
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392 | */ |
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393 | BOOLEAN exitVoice() |
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394 | { |
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395 | //printf("exitVoice: %d(%s),(%x)\n", |
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396 | // currentVoice->typ,BT_name[currentVoice->typ], currentVoice); |
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397 | //{ |
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398 | //Voice *p=currentVoice; |
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399 | //Print("-----------------\ncurr:"); |
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400 | //do |
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401 | //{ |
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402 | //Print("voice fn:%s\n",p->filename); |
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403 | //p=p->prev; |
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404 | //} |
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405 | //while (p!=NULL); |
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406 | //Print("----------------\n"); |
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407 | //} |
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408 | if (currentVoice!=NULL) |
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409 | { |
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410 | if (currentVoice->oldb!=NULL) |
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411 | { |
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412 | myyoldbuffer(currentVoice->oldb); |
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413 | currentVoice->oldb=NULL; |
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414 | } |
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415 | if ((currentVoice->prev==NULL)&&(currentVoice->sw==BI_file)) |
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416 | { |
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417 | currentVoice->prev=feInitStdin(currentVoice); |
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418 | } |
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419 | if (currentVoice->prev!=NULL) |
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420 | { |
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421 | //printf("exitVoice typ %d(%s)\n", |
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422 | // currentVoice->typ,BT_name[currentVoice->typ]); |
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423 | if (currentVoice->typ==BT_if) |
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424 | { |
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425 | currentVoice->prev->ifsw=2; |
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426 | } |
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427 | else |
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428 | { |
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429 | currentVoice->prev->ifsw=0; |
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430 | } |
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431 | if ((currentVoice->sw == BI_file) |
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432 | && (currentVoice->files!=NULL)) |
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433 | { |
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434 | fclose(currentVoice->files); |
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435 | } |
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436 | if (currentVoice->filename!=NULL) |
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437 | { |
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438 | omFree((ADDRESS)currentVoice->filename); |
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439 | currentVoice->filename=NULL; |
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440 | } |
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441 | if (currentVoice->buffer!=NULL) |
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442 | { |
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443 | omFree((ADDRESS)currentVoice->buffer); |
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444 | currentVoice->buffer=NULL; |
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445 | } |
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446 | yylineno=currentVoice->prev->curr_lineno; |
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447 | currentVoice->prev->next=NULL; |
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448 | } |
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449 | Voice *p=currentVoice->prev; |
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450 | delete currentVoice; |
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451 | currentVoice=p; |
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452 | } |
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453 | return currentVoice==NULL; |
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454 | } |
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455 | |
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456 | /*2 |
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457 | * set prompt_char |
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458 | * only called with currentVoice->sw == BI_stdin |
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459 | */ |
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460 | static void feShowPrompt(void) |
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461 | { |
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462 | fe_promptstr[0]=prompt_char; |
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463 | #ifdef macintosh |
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464 | cols = 0; |
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465 | printf(fe_promptstr);mflush(); |
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466 | #endif |
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467 | } |
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468 | |
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469 | /*2 |
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470 | * print echo (si_echo or TRACE), set my_yylinebuf |
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471 | */ |
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472 | static int fePrintEcho(char *anf, char *b) |
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473 | { |
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474 | char *ss=strrchr(anf,'\n'); |
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475 | int len_s; |
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476 | if (ss==NULL) |
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477 | { |
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478 | len_s=strlen(anf); |
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479 | } |
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480 | else |
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481 | { |
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482 | len_s=ss-anf+1; |
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483 | } |
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484 | // my_yylinebuf: |
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485 | int mrc=min(len_s,79)-1; |
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486 | strcpy(my_yylinebuf,anf+(len_s-1)-mrc); |
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487 | if (my_yylinebuf[mrc] == '\n') my_yylinebuf[mrc] = '\0'; |
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488 | mrc--; |
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489 | // handle echo: |
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490 | if (((si_echo>myynest) |
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491 | && ((currentVoice->typ==BT_proc) |
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492 | || (currentVoice->typ==BT_example) |
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493 | || (currentVoice->typ==BT_file) |
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494 | || (currentVoice->typ==BT_none) |
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495 | ) |
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496 | && (strncmp(anf,";return();",10)!=0) |
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497 | ) |
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498 | || (traceit&TRACE_SHOW_LINE) |
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499 | || (traceit&TRACE_SHOW_LINE1)) |
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500 | { |
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501 | if (currentVoice->typ!=BT_example) |
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502 | { |
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503 | if (currentVoice->filename==NULL) |
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504 | Print("(none) %3d%c ",yylineno,prompt_char); |
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505 | else |
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506 | Print("%s %3d%c ",currentVoice->filename,yylineno,prompt_char); |
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507 | } |
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508 | #ifdef HAVE_TCL |
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509 | if(tclmode) |
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510 | { |
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511 | PrintTCL('N',len_s,anf); |
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512 | } |
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513 | else |
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514 | #endif |
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515 | { |
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516 | fwrite(anf,1,len_s,stdout); |
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517 | mflush(); |
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518 | } |
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519 | if (traceit&TRACE_SHOW_LINE) |
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520 | { |
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521 | #ifdef HAVE_TCL |
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522 | if(!tclmode) |
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523 | #endif |
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524 | while(fgetc(stdin)!='\n'); |
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525 | } |
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526 | } |
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527 | else if (traceit&TRACE_SHOW_LINENO) |
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528 | { |
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529 | Print("{%d}",yylineno); |
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530 | mflush(); |
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531 | } |
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532 | #ifdef HAVE_SDB |
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533 | if ((blocknest==0) |
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534 | && (currentVoice->pi!=NULL) |
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535 | && (currentVoice->pi->trace_flag!=0)) |
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536 | { |
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537 | sdb(currentVoice, anf, len_s); |
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538 | } |
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539 | #endif |
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540 | prompt_char = '.'; |
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541 | return len_s; |
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542 | } |
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543 | |
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544 | int feReadLine(char* b, int l) |
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545 | { |
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546 | char *s=NULL; |
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547 | int offset = 0; /* will not be used if s==NULL*/ |
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548 | // try to read from the buffer into b, max l chars |
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549 | if (currentVoice!=NULL) |
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550 | { |
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551 | if((currentVoice->buffer!=NULL) |
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552 | && (currentVoice->buffer[currentVoice->fptr]!='\0')) |
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553 | { |
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554 | NewBuff: |
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555 | register int i=0; |
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556 | long startfptr=currentVoice->fptr; |
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557 | long tmp_ptr=currentVoice->fptr; |
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558 | l--; |
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559 | loop |
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560 | { |
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561 | register char c= |
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562 | b[i]=currentVoice->buffer[tmp_ptr/*currentVoice->fptr*/]; |
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563 | i++; |
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564 | if (yy_noeof==noeof_block) |
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565 | { |
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566 | if (c<' ') yylineno++; |
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567 | else if (c=='}') break; |
---|
568 | } |
---|
569 | else |
---|
570 | { |
---|
571 | if ((c<' ') || |
---|
572 | (c==';') || |
---|
573 | (c==')') |
---|
574 | ) |
---|
575 | break; |
---|
576 | } |
---|
577 | if (i>=l) break; |
---|
578 | tmp_ptr++;/*currentVoice->fptr++;*/ |
---|
579 | if(currentVoice->buffer[tmp_ptr/*currentVoice->fptr*/]=='\0') break; |
---|
580 | } |
---|
581 | currentVoice->fptr=tmp_ptr; |
---|
582 | b[i]='\0'; |
---|
583 | if (currentVoice->sw==BI_buffer) |
---|
584 | { |
---|
585 | if (startfptr==0) |
---|
586 | { |
---|
587 | char *anf=currentVoice->buffer; |
---|
588 | char *ss=strchr(anf,'\n'); |
---|
589 | int len; |
---|
590 | if (ss==NULL) len=strlen(anf); |
---|
591 | else len=ss-anf; |
---|
592 | char *s=(char *)omAlloc(len+2); |
---|
593 | strncpy(s,anf,len+2); |
---|
594 | s[len+1]='\0'; |
---|
595 | fePrintEcho(s,b); |
---|
596 | omFree((ADDRESS)s); |
---|
597 | } |
---|
598 | else if (/*(startfptr>0) &&*/ |
---|
599 | (currentVoice->buffer[startfptr-1]=='\n')) |
---|
600 | { |
---|
601 | char *anf=currentVoice->buffer+startfptr; |
---|
602 | char *ss=strchr(anf,'\n'); |
---|
603 | int len; |
---|
604 | if (ss==NULL) len=strlen(anf); |
---|
605 | else len=ss-anf; |
---|
606 | char *s=(char *)omAlloc(len+2); |
---|
607 | strncpy(s,anf,len+2); |
---|
608 | s[len+1]='\0'; |
---|
609 | yylineno++; |
---|
610 | fePrintEcho(s,b); |
---|
611 | omFree((ADDRESS)s); |
---|
612 | } |
---|
613 | } |
---|
614 | currentVoice->fptr++; |
---|
615 | return i; |
---|
616 | } |
---|
617 | // no buffer there or e-o-buffer or eoln: |
---|
618 | if (currentVoice->sw!=BI_buffer) |
---|
619 | { |
---|
620 | currentVoice->fptr=0; |
---|
621 | if (currentVoice->buffer==NULL) |
---|
622 | { |
---|
623 | currentVoice->buffer=(char *)omAlloc(4096-sizeof(ADDRESS)); |
---|
624 | omMarkAsStaticAddr(currentVoice->buffer); |
---|
625 | } |
---|
626 | } |
---|
627 | offset=0; |
---|
628 | NewRead: |
---|
629 | yylineno++; |
---|
630 | if (currentVoice->sw==BI_stdin) |
---|
631 | { |
---|
632 | feShowPrompt(); |
---|
633 | s=fe_fgets_stdin(fe_promptstr, |
---|
634 | &(currentVoice->buffer[offset]), |
---|
635 | (4096-1-sizeof(ADDRESS))-offset); |
---|
636 | int i=0; |
---|
637 | if (s!=NULL) |
---|
638 | while((s[i]!='\0') && (i<4096)) {s[i] &= (char)127;i++;} |
---|
639 | } |
---|
640 | else if (currentVoice->sw==BI_file) |
---|
641 | { |
---|
642 | s=fgets(currentVoice->buffer+offset,(4096-1-sizeof(ADDRESS))-offset, |
---|
643 | currentVoice->files); |
---|
644 | } |
---|
645 | //else /* BI_buffer */ s==NULL => return 0 |
---|
646 | // done by the default return |
---|
647 | } |
---|
648 | if (s!=NULL) |
---|
649 | { |
---|
650 | // handle prot: |
---|
651 | if (feProt&PROT_I) |
---|
652 | { |
---|
653 | fputs(s,feProtFile); |
---|
654 | } |
---|
655 | int rc=fePrintEcho(s,b)+1; |
---|
656 | //s[strlen(s)+1]='\0'; add an second \0 at the end of the string |
---|
657 | s[rc]='\0'; |
---|
658 | // handel \\ : |
---|
659 | rc-=3; |
---|
660 | if ((s[rc]=='\\')&&(currentVoice->sw!=BI_buffer)) |
---|
661 | { |
---|
662 | s[rc]='\0'; |
---|
663 | offset+=rc; |
---|
664 | if (offset<(int)omSizeOfAddr(currentVoice->buffer)) goto NewRead; |
---|
665 | } |
---|
666 | goto NewBuff; |
---|
667 | } |
---|
668 | /* else if (s==NULL) */ |
---|
669 | { |
---|
670 | char *err; |
---|
671 | switch(yy_noeof) |
---|
672 | { |
---|
673 | case noeof_brace: |
---|
674 | case noeof_block: |
---|
675 | err="{...}"; |
---|
676 | break; |
---|
677 | case noeof_asstring: |
---|
678 | err="till `.`"; |
---|
679 | break; |
---|
680 | case noeof_string: |
---|
681 | err="string"; |
---|
682 | break; |
---|
683 | case noeof_bracket: |
---|
684 | err="(...)"; |
---|
685 | break; |
---|
686 | case noeof_procname: |
---|
687 | err="proc"; |
---|
688 | break; |
---|
689 | case noeof_comment: |
---|
690 | err="/*...*/"; |
---|
691 | break; |
---|
692 | default: |
---|
693 | return 0; |
---|
694 | } |
---|
695 | Werror("premature end of file while reading %s",err); |
---|
696 | return 0; |
---|
697 | } |
---|
698 | } |
---|
699 | |
---|
700 | #ifdef __MWERKS__ |
---|
701 | #ifdef __cplusplus |
---|
702 | extern "C" { |
---|
703 | #endif |
---|
704 | #ifdef macintosh |
---|
705 | int isatty(int filedes); |
---|
706 | #else |
---|
707 | int _isatty(int filedes); |
---|
708 | #define isatty _isatty |
---|
709 | #endif /* macintosh */ |
---|
710 | #ifdef __cplusplus |
---|
711 | } |
---|
712 | #endif |
---|
713 | #endif |
---|
714 | /*2 |
---|
715 | * init all data structures |
---|
716 | */ |
---|
717 | #ifndef STDIN_FILENO |
---|
718 | #define STDIN_FILENO 0 |
---|
719 | #endif |
---|
720 | Voice * feInitStdin(Voice *pp) |
---|
721 | { |
---|
722 | Voice *p = new Voice; |
---|
723 | p->files = stdin; |
---|
724 | #ifdef HAVE_TCL |
---|
725 | p->sw = (tclmode || isatty(STDIN_FILENO)) ? BI_stdin : BI_file; |
---|
726 | #else |
---|
727 | p->sw = (isatty(STDIN_FILENO)) ? BI_stdin : BI_file; |
---|
728 | #endif |
---|
729 | if ((pp!=NULL) && (pp->files==stdin)) |
---|
730 | { |
---|
731 | p->files=freopen("/dev/tty","r",stdin); |
---|
732 | //stdin=p->files; |
---|
733 | p->sw = BI_stdin; |
---|
734 | } |
---|
735 | p->filename = omStrDup("STDIN"); |
---|
736 | p->start_lineno = 1; |
---|
737 | omMarkAsStaticAddr(p); |
---|
738 | omMarkAsStaticAddr(p->filename); |
---|
739 | return p; |
---|
740 | } |
---|
741 | /***************************************************************** |
---|
742 | * |
---|
743 | * File handling |
---|
744 | * |
---|
745 | *****************************************************************/ |
---|
746 | |
---|
747 | FILE * feFopen(char *path, char *mode, char *where,int useWerror, |
---|
748 | int path_only) |
---|
749 | { |
---|
750 | char longpath[MAXPATHLEN]; |
---|
751 | if (path[0]=='~') |
---|
752 | { |
---|
753 | if (path[1] == DIR_SEP) |
---|
754 | { |
---|
755 | char* home = getenv("HOME"); |
---|
756 | #ifdef ix86_Win |
---|
757 | if ((home==NULL)||(!access(home,X_OK))) |
---|
758 | home = getenv("SINGHOME"); |
---|
759 | #endif |
---|
760 | if (home != NULL) |
---|
761 | { |
---|
762 | strcpy(longpath, home); |
---|
763 | strcat(longpath, &(path[1])); |
---|
764 | path = longpath; |
---|
765 | } |
---|
766 | } |
---|
767 | #if defined(HAVE_PWD_H) && defined(HAVE_GETPWNAM) |
---|
768 | else |
---|
769 | { |
---|
770 | char* dir_sep; |
---|
771 | struct passwd *pw_entry; |
---|
772 | strcpy (longpath, path); |
---|
773 | dir_sep = strchr(longpath, DIR_SEP); |
---|
774 | *dir_sep = '\0'; |
---|
775 | pw_entry = getpwnam(&longpath[1]); |
---|
776 | if (pw_entry != NULL) |
---|
777 | { |
---|
778 | strcpy(longpath, pw_entry->pw_dir); |
---|
779 | dir_sep = strchr(path, DIR_SEP); |
---|
780 | strcat(longpath, dir_sep); |
---|
781 | path = longpath; |
---|
782 | } |
---|
783 | } |
---|
784 | #endif |
---|
785 | } |
---|
786 | FILE * f=NULL; |
---|
787 | if (! path_only) |
---|
788 | { |
---|
789 | struct stat statbuf; |
---|
790 | if ((stat(path,&statbuf)==0) |
---|
791 | && (S_ISREG(statbuf.st_mode))) |
---|
792 | f = myfopen(path,mode); |
---|
793 | } |
---|
794 | if (where!=NULL) strcpy(where,path); |
---|
795 | if ((*mode=='r') && |
---|
796 | (path[0]!=DIR_SEP) && |
---|
797 | ! (path[0] == '.' && path[1] == DIR_SEP) && |
---|
798 | (f==NULL)) |
---|
799 | { |
---|
800 | char found = 0; |
---|
801 | char* spath = feResource('s'); |
---|
802 | char *s; |
---|
803 | |
---|
804 | if (where==NULL) s=(char *)omAlloc(250); |
---|
805 | else s=where; |
---|
806 | |
---|
807 | if (spath!=NULL) |
---|
808 | { |
---|
809 | char *p,*q; |
---|
810 | p = spath; |
---|
811 | while( (q=strchr(p, fePathSep)) != NULL) |
---|
812 | { |
---|
813 | *q = '\0'; |
---|
814 | strcpy(s,p); |
---|
815 | *q = fePathSep; |
---|
816 | strcat(s, DIR_SEPP); |
---|
817 | strcat(s, path); |
---|
818 | #ifndef macintosh |
---|
819 | if(!access(s, R_OK)) { found++; break; } |
---|
820 | #else |
---|
821 | f=fopen(s,mode); /* do not need myfopen: we test only the access */ |
---|
822 | if (f!=NULL) { found++; fclose(f); break; } |
---|
823 | #endif |
---|
824 | p = q+1; |
---|
825 | } |
---|
826 | if(!found) |
---|
827 | { |
---|
828 | strcpy(s,p); |
---|
829 | strcat(s, DIR_SEPP); |
---|
830 | strcat(s, path); |
---|
831 | } |
---|
832 | f=myfopen(s,mode); |
---|
833 | if (f!=NULL) |
---|
834 | { |
---|
835 | if (where==NULL) omFree((ADDRESS)s); |
---|
836 | return f; |
---|
837 | } |
---|
838 | } |
---|
839 | else |
---|
840 | { |
---|
841 | if (where!=NULL) strcpy(s/*where*/,path); |
---|
842 | f=myfopen(path,mode); |
---|
843 | } |
---|
844 | if (where==NULL) omFree((ADDRESS)s); |
---|
845 | } |
---|
846 | if ((f==NULL)&&(useWerror)) |
---|
847 | Werror("cannot open `%s`",path); |
---|
848 | return f; |
---|
849 | } |
---|
850 | |
---|
851 | static char * feBufferStart; |
---|
852 | /* only used in StringSet(S)/StringAppend(S)*/ |
---|
853 | char * StringAppend(char *fmt, ...) |
---|
854 | { |
---|
855 | va_list ap; |
---|
856 | char *s = feBufferStart; /*feBuffer + strlen(feBuffer);*/ |
---|
857 | int more, vs; |
---|
858 | va_start(ap, fmt); |
---|
859 | if ((more=feBufferStart-feBuffer+strlen(fmt)+100)>feBufferLength) |
---|
860 | { |
---|
861 | more = ((more + (4*1024-1))/(4*1024))*(4*1024); |
---|
862 | int l=s-feBuffer; |
---|
863 | feBuffer=(char *)omReallocSize((ADDRESS)feBuffer,feBufferLength, |
---|
864 | more); |
---|
865 | omMarkAsStaticAddr(feBuffer); |
---|
866 | feBufferLength=more; |
---|
867 | s=feBuffer+l; |
---|
868 | #ifndef BSD_SPRINTF |
---|
869 | feBufferStart=s; |
---|
870 | #endif |
---|
871 | } |
---|
872 | #ifdef BSD_SPRINTF |
---|
873 | vsprintf(s, fmt, ap); |
---|
874 | while (*s!='\0') s++; |
---|
875 | feBufferStart =s; |
---|
876 | #else |
---|
877 | #ifdef HAVE_VSNPRINTF |
---|
878 | vs = vsnprintf(s, feBufferLength - (feBufferStart - feBuffer), fmt, ap); |
---|
879 | if (vs == -1) |
---|
880 | { |
---|
881 | assume(0); |
---|
882 | feBufferStart = feBuffer + feBufferLength -1; |
---|
883 | } |
---|
884 | else |
---|
885 | { |
---|
886 | feBufferStart += vs; |
---|
887 | } |
---|
888 | #else |
---|
889 | feBufferStart += vsprintf(s, fmt, ap); |
---|
890 | #endif |
---|
891 | #endif |
---|
892 | omCheckAddrSize(feBuffer, feBufferLength); |
---|
893 | va_end(ap); |
---|
894 | return feBuffer; |
---|
895 | } |
---|
896 | |
---|
897 | char * StringAppendS(char *st) |
---|
898 | { |
---|
899 | /* feBufferStart is feBuffer + strlen(feBuffer);*/ |
---|
900 | int more,l; |
---|
901 | int ll=feBufferStart-feBuffer; |
---|
902 | if ((more=ll+2+(l=strlen(st)))>feBufferLength) |
---|
903 | { |
---|
904 | more = ((more + (4*1024-1))/(4*1024))*(4*1024); |
---|
905 | feBuffer=(char *)omReallocSize((ADDRESS)feBuffer,feBufferLength, |
---|
906 | more); |
---|
907 | feBufferLength=more; |
---|
908 | feBufferStart=feBuffer+ll; |
---|
909 | } |
---|
910 | strcat(feBufferStart, st); |
---|
911 | feBufferStart +=l; |
---|
912 | return feBuffer; |
---|
913 | } |
---|
914 | |
---|
915 | char * StringSetS(char *st) |
---|
916 | { |
---|
917 | int more,l; |
---|
918 | if ((l=strlen(st))>feBufferLength) |
---|
919 | { |
---|
920 | more = ((l + (4*1024-1))/(4*1024))*(4*1024); |
---|
921 | feBuffer=(char *)omReallocSize((ADDRESS)feBuffer,feBufferLength, |
---|
922 | more); |
---|
923 | feBufferLength=more; |
---|
924 | } |
---|
925 | strcpy(feBuffer,st); |
---|
926 | feBufferStart=feBuffer+l; |
---|
927 | return feBuffer; |
---|
928 | } |
---|
929 | |
---|
930 | #ifndef __MWERKS__ |
---|
931 | #ifdef HAVE_TCL |
---|
932 | extern "C" { |
---|
933 | void PrintTCLS(const char c, const char *s) |
---|
934 | { |
---|
935 | int l=strlen(s); |
---|
936 | if (l>0) PrintTCL(c,l,s); |
---|
937 | } |
---|
938 | } |
---|
939 | #endif |
---|
940 | #endif |
---|
941 | |
---|
942 | extern "C" { |
---|
943 | void WerrorS(const char *s) |
---|
944 | { |
---|
945 | #ifdef HAVE_MPSR |
---|
946 | if (fe_fgets_stdin==fe_fgets_dummy) |
---|
947 | { |
---|
948 | if (feErrors==NULL) |
---|
949 | { |
---|
950 | feErrors=(char *)omAlloc(256); |
---|
951 | feErrorsLen=256; |
---|
952 | *feErrors = '\0'; |
---|
953 | } |
---|
954 | else |
---|
955 | { |
---|
956 | if (((int)(strlen((char *)s)+ 20 +strlen(feErrors)))>=feErrorsLen) |
---|
957 | { |
---|
958 | feErrors=(char *)omReallocSize(feErrors,feErrorsLen,feErrorsLen+256); |
---|
959 | feErrorsLen+=256; |
---|
960 | } |
---|
961 | } |
---|
962 | strcat(feErrors, "Singular error: "); |
---|
963 | strcat(feErrors, (char *)s); |
---|
964 | } |
---|
965 | else |
---|
966 | #endif |
---|
967 | { |
---|
968 | #ifdef HAVE_TCL |
---|
969 | if (tclmode) |
---|
970 | { |
---|
971 | PrintTCLS('E',(char *)s); |
---|
972 | PrintTCLS('E',"\n"); |
---|
973 | } |
---|
974 | else |
---|
975 | #endif |
---|
976 | { |
---|
977 | fwrite(" ? ",1,5,stderr); |
---|
978 | fwrite((char *)s,1,strlen((char *)s),stderr); |
---|
979 | fwrite("\n",1,1,stderr); |
---|
980 | fflush(stderr); |
---|
981 | if (feProt&PROT_O) |
---|
982 | { |
---|
983 | fwrite(" ? ",1,5,feProtFile); |
---|
984 | fwrite((char *)s,1,strlen((char *)s),feProtFile); |
---|
985 | fwrite("\n",1,1,feProtFile); |
---|
986 | } |
---|
987 | } |
---|
988 | } |
---|
989 | errorreported = TRUE; |
---|
990 | } |
---|
991 | |
---|
992 | void Werror(char *fmt, ...) |
---|
993 | { |
---|
994 | va_list ap; |
---|
995 | va_start(ap, fmt); |
---|
996 | char *s=(char *)omAlloc(256); |
---|
997 | vsprintf(s, fmt, ap); |
---|
998 | WerrorS(s); |
---|
999 | omFreeSize(s,256); |
---|
1000 | va_end(ap); |
---|
1001 | } |
---|
1002 | |
---|
1003 | void WarnS(const char *s) |
---|
1004 | { |
---|
1005 | #define warn_str "// ** " |
---|
1006 | #ifdef HAVE_TCL |
---|
1007 | if (tclmode) |
---|
1008 | { |
---|
1009 | PrintTCLS('W',warn_str); |
---|
1010 | PrintTCLS('W',s); |
---|
1011 | PrintTCLS('W',"\n"); |
---|
1012 | } |
---|
1013 | else |
---|
1014 | #endif |
---|
1015 | if (feWarn) /* ignore warnings if option --no-warn was given */ |
---|
1016 | { |
---|
1017 | fwrite(warn_str,1,6,stdout); |
---|
1018 | fwrite(s,1,strlen(s),stdout); |
---|
1019 | fwrite("\n",1,1,stdout); |
---|
1020 | fflush(stdout); |
---|
1021 | if (feProt&PROT_O) |
---|
1022 | { |
---|
1023 | fwrite(warn_str,1,6,feProtFile); |
---|
1024 | fwrite(s,1,strlen(s),feProtFile); |
---|
1025 | fwrite("\n",1,1,feProtFile); |
---|
1026 | } |
---|
1027 | } |
---|
1028 | } |
---|
1029 | } /* end extern "C" */ |
---|
1030 | |
---|
1031 | void Warn(const char *fmt, ...) |
---|
1032 | { |
---|
1033 | va_list ap; |
---|
1034 | va_start(ap, fmt); |
---|
1035 | char *s=(char *)omAlloc(256); |
---|
1036 | vsprintf(s, fmt, ap); |
---|
1037 | WarnS(s); |
---|
1038 | omFreeSize(s,256); |
---|
1039 | va_end(ap); |
---|
1040 | } |
---|
1041 | |
---|
1042 | |
---|
1043 | #ifdef macintosh |
---|
1044 | static int lines = 0; |
---|
1045 | static int cols = 0; |
---|
1046 | |
---|
1047 | void mwrite(uchar c) |
---|
1048 | { |
---|
1049 | if (c == '\n') |
---|
1050 | { |
---|
1051 | cols = 0; |
---|
1052 | if (lines == pagelength) |
---|
1053 | { |
---|
1054 | lines = 0; |
---|
1055 | fputs("pause>\n",stderr); |
---|
1056 | uchar c = fgetc(stdin); |
---|
1057 | } |
---|
1058 | else |
---|
1059 | { |
---|
1060 | lines++; |
---|
1061 | fePutChar(c); |
---|
1062 | } |
---|
1063 | } |
---|
1064 | else |
---|
1065 | { |
---|
1066 | fePutChar(c); |
---|
1067 | cols++; |
---|
1068 | if (cols == colmax) |
---|
1069 | { |
---|
1070 | // cols = 0; //will be done by mwrite('\n'); |
---|
1071 | mwrite('\n'); |
---|
1072 | } |
---|
1073 | } |
---|
1074 | } |
---|
1075 | #endif |
---|
1076 | |
---|
1077 | // some routines which redirect the output of print to a string |
---|
1078 | static char* sprint = NULL; |
---|
1079 | void SPrintStart() |
---|
1080 | { |
---|
1081 | sprint = omStrDup(""); |
---|
1082 | } |
---|
1083 | |
---|
1084 | static void SPrintS(char* s) |
---|
1085 | { |
---|
1086 | omCheckAddr(sprint); |
---|
1087 | if (s == NULL) return; |
---|
1088 | int ls = strlen(s); |
---|
1089 | if (ls == 0) return; |
---|
1090 | |
---|
1091 | char* ns; |
---|
1092 | int l = strlen(sprint); |
---|
1093 | ns = (char*) omAlloc((l + ls + 1)*sizeof(char)); |
---|
1094 | if (l > 0) strcpy(ns, sprint); |
---|
1095 | |
---|
1096 | strcpy(&(ns[l]), s); |
---|
1097 | omFree(sprint); |
---|
1098 | sprint = ns; |
---|
1099 | omCheckAddr(sprint); |
---|
1100 | } |
---|
1101 | |
---|
1102 | char* SPrintEnd() |
---|
1103 | { |
---|
1104 | char* ns = sprint; |
---|
1105 | sprint = NULL; |
---|
1106 | omCheckAddr(ns); |
---|
1107 | return ns; |
---|
1108 | } |
---|
1109 | |
---|
1110 | // Print routines |
---|
1111 | extern "C" { |
---|
1112 | void PrintS(char *s) |
---|
1113 | { |
---|
1114 | if (sprint != NULL) |
---|
1115 | { |
---|
1116 | SPrintS(s); |
---|
1117 | return; |
---|
1118 | } |
---|
1119 | |
---|
1120 | if (feOut) /* do not print when option --no-out was given */ |
---|
1121 | { |
---|
1122 | |
---|
1123 | #ifdef macintosh |
---|
1124 | char c; |
---|
1125 | while ('\0' != (c = *s++)) |
---|
1126 | { |
---|
1127 | mwrite(c); |
---|
1128 | } |
---|
1129 | #else |
---|
1130 | #ifdef HAVE_TCL |
---|
1131 | if (tclmode) |
---|
1132 | { |
---|
1133 | PrintTCLS('N',s); |
---|
1134 | } |
---|
1135 | else |
---|
1136 | #endif |
---|
1137 | { |
---|
1138 | fwrite(s,1,strlen(s),stdout); |
---|
1139 | fflush(stdout); |
---|
1140 | if (feProt&PROT_O) |
---|
1141 | { |
---|
1142 | fwrite(s,1,strlen(s),feProtFile); |
---|
1143 | } |
---|
1144 | } |
---|
1145 | #endif |
---|
1146 | } |
---|
1147 | } |
---|
1148 | |
---|
1149 | void PrintLn() |
---|
1150 | { |
---|
1151 | PrintS("\n"); |
---|
1152 | } |
---|
1153 | |
---|
1154 | void Print(char *fmt, ...) |
---|
1155 | { |
---|
1156 | if (sprint != NULL) |
---|
1157 | { |
---|
1158 | int ls = strlen(fmt); |
---|
1159 | va_list ap; |
---|
1160 | va_start(ap, fmt); |
---|
1161 | omCheckAddr(sprint); |
---|
1162 | if (fmt != NULL && ls > 0) |
---|
1163 | { |
---|
1164 | char* ns; |
---|
1165 | int l = strlen(sprint); |
---|
1166 | ns = (char*) omAlloc(sizeof(char)*(ls + l + 256)); |
---|
1167 | if (l > 0) strcpy(ns, sprint); |
---|
1168 | |
---|
1169 | #ifdef HAVE_VSNPRINTF |
---|
1170 | l = vsnprintf(&(ns[l]), ls+255, fmt, ap); |
---|
1171 | assume(l != -1); |
---|
1172 | #else |
---|
1173 | vsprintf(&(ns[l]), fmt, ap); |
---|
1174 | #endif |
---|
1175 | omCheckAddr(ns); |
---|
1176 | omFree(sprint); |
---|
1177 | sprint = ns; |
---|
1178 | } |
---|
1179 | va_end(ap); |
---|
1180 | return; |
---|
1181 | } |
---|
1182 | if (feOut) |
---|
1183 | { |
---|
1184 | va_list ap; |
---|
1185 | va_start(ap, fmt); |
---|
1186 | #ifdef HAVE_TCL |
---|
1187 | if(tclmode) |
---|
1188 | #endif |
---|
1189 | #if (defined(HAVE_TCL) || defined(macintosh)) |
---|
1190 | { |
---|
1191 | char *s=(char *)omAlloc(strlen(fmt)+256); |
---|
1192 | vsprintf(s,fmt, ap); |
---|
1193 | #ifdef HAVE_TCL |
---|
1194 | PrintTCLS('N',s); |
---|
1195 | #endif |
---|
1196 | #ifdef macintosh |
---|
1197 | char c; |
---|
1198 | while ('\0' != (c = *s++)) |
---|
1199 | { |
---|
1200 | mwrite(c); |
---|
1201 | } |
---|
1202 | if (feProt&PROT_O) |
---|
1203 | { |
---|
1204 | vfprintf(feProtFile,fmt,ap); |
---|
1205 | } |
---|
1206 | #endif |
---|
1207 | } |
---|
1208 | #endif |
---|
1209 | #if !defined(macintosh) || defined(HAVE_TCL) |
---|
1210 | #ifdef HAVE_TCL |
---|
1211 | else |
---|
1212 | #endif |
---|
1213 | { |
---|
1214 | vfprintf(stdout, fmt, ap); |
---|
1215 | fflush(stdout); |
---|
1216 | if (feProt&PROT_O) |
---|
1217 | { |
---|
1218 | vfprintf(feProtFile,fmt,ap); |
---|
1219 | } |
---|
1220 | } |
---|
1221 | #endif |
---|
1222 | va_end(ap); |
---|
1223 | } |
---|
1224 | } |
---|
1225 | |
---|
1226 | /* end extern "C" */ |
---|
1227 | } |
---|
1228 | |
---|
1229 | void monitor(char* s, int mode) |
---|
1230 | { |
---|
1231 | if (feProt) |
---|
1232 | { |
---|
1233 | fclose(feProtFile); |
---|
1234 | feProt = 0; |
---|
1235 | } |
---|
1236 | if ((s!=NULL) && (*s!='\0')) |
---|
1237 | { |
---|
1238 | feProtFile = myfopen(s,"w"); |
---|
1239 | if (feProtFile==NULL) |
---|
1240 | { |
---|
1241 | Werror("cannot open %s",s); |
---|
1242 | feProt=0; |
---|
1243 | } |
---|
1244 | else |
---|
1245 | feProt = (BOOLEAN)mode; |
---|
1246 | } |
---|
1247 | } |
---|
1248 | |
---|
1249 | |
---|
1250 | char* eati(char *s, int *i) |
---|
1251 | { |
---|
1252 | int l=0; |
---|
1253 | |
---|
1254 | if (*s >= '0' && *s <= '9') |
---|
1255 | { |
---|
1256 | *i = 0; |
---|
1257 | while (*s >= '0' && *s <= '9') |
---|
1258 | { |
---|
1259 | *i *= 10; |
---|
1260 | *i += *s++ - '0'; |
---|
1261 | l++; |
---|
1262 | if ((l>=MAX_INT_LEN)||((*i) <0)) |
---|
1263 | { |
---|
1264 | s-=l; |
---|
1265 | Werror("`%s` greater than %d(max. integer representation)", |
---|
1266 | s,MAX_INT_VAL); |
---|
1267 | return s; |
---|
1268 | } |
---|
1269 | } |
---|
1270 | } |
---|
1271 | else *i = 1; |
---|
1272 | return s; |
---|
1273 | } |
---|
1274 | #else /* ! STANDALONE_PARSER */ |
---|
1275 | #include <stdio.h> |
---|
1276 | |
---|
1277 | #endif |
---|
1278 | |
---|
1279 | #ifdef ix86_Win |
---|
1280 | // Make sure that mode contains binary option |
---|
1281 | FILE* myfopen(char *path, char *mode) |
---|
1282 | { |
---|
1283 | char mmode[4]; |
---|
1284 | int i; |
---|
1285 | int done = 0; |
---|
1286 | |
---|
1287 | for (i=0;;i++) |
---|
1288 | { |
---|
1289 | mmode[i] = mode[i]; |
---|
1290 | if (mode[i] == '\0') break; |
---|
1291 | if (mode[i] == 'b') done = 1; |
---|
1292 | } |
---|
1293 | |
---|
1294 | if (! done) |
---|
1295 | { |
---|
1296 | mmode[i] = 'b'; |
---|
1297 | mmode[i+1] = '\0'; |
---|
1298 | } |
---|
1299 | return fopen(path, mmode); |
---|
1300 | } |
---|
1301 | #endif |
---|
1302 | // replace "\r\n" by " \n" and "\r" by "\n" |
---|
1303 | |
---|
1304 | size_t myfread(void *ptr, size_t size, size_t nmemb, FILE *stream) |
---|
1305 | { |
---|
1306 | size_t got = fread(ptr, size, nmemb, stream) * size; |
---|
1307 | size_t i; |
---|
1308 | |
---|
1309 | for (i=0; i<got; i++) |
---|
1310 | { |
---|
1311 | if ( ((char*) ptr)[i] == '\r') |
---|
1312 | { |
---|
1313 | if (i+1 < got && ((char*) ptr)[i+1] == '\n') |
---|
1314 | ((char*) ptr)[i] = ' '; |
---|
1315 | else |
---|
1316 | ((char*) ptr)[i] = '\n'; |
---|
1317 | } |
---|
1318 | } |
---|
1319 | return got; |
---|
1320 | } |
---|