1 | /**************************************** |
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2 | * Computer Algebra System SINGULAR * |
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3 | ****************************************/ |
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4 | /* |
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5 | * ABSTRACT: interpreter: LIB and help |
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6 | */ |
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7 | |
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8 | #include "kernel/mod2.h" |
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9 | |
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10 | #include "Singular/tok.h" |
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11 | #include "misc/options.h" |
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12 | #include "Singular/ipid.h" |
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13 | #include "polys/monomials/ring.h" |
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14 | #include "Singular/subexpr.h" |
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15 | #include "Singular/ipid.h" |
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16 | #include "Singular/ipshell.h" |
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17 | #include "Singular/fevoices.h" |
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18 | #include "Singular/lists.h" |
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19 | |
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20 | #include <ctype.h> |
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21 | |
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22 | #if SIZEOF_LONG == 8 |
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23 | #define SI_MAX_NEST 500 |
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24 | #elif defined(__CYGWIN__) |
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25 | #define SI_MAX_NEST 480 |
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26 | #else |
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27 | #define SI_MAX_NEST 1000 |
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28 | #endif |
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29 | |
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30 | #if defined(ix86Mac_darwin) || defined(x86_64Mac_darwin) || defined(ppcMac_darwin) |
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31 | # define MODULE_SUFFIX bundle |
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32 | #elif defined(__CYGWIN__) |
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33 | # define MODULE_SUFFIX dll |
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34 | #else |
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35 | # define MODULE_SUFFIX so |
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36 | #endif |
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37 | |
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38 | #define MODULE_SUFFIX_STRING EXPANDED_STRINGIFY(MODULE_SUFFIX) |
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39 | |
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40 | |
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41 | #ifdef HAVE_DYNAMIC_LOADING |
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42 | BOOLEAN load_modules(const char *newlib, char *fullname, BOOLEAN autoexport); |
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43 | #endif |
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44 | |
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45 | #ifdef HAVE_LIBPARSER |
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46 | # include "libparse.h" |
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47 | #else /* HAVE_LIBPARSER */ |
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48 | procinfo *iiInitSingularProcinfo(procinfov pi, const char *libname, |
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49 | const char *procname, int line, long pos, BOOLEAN pstatic=FALSE); |
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50 | #endif /* HAVE_LIBPARSER */ |
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51 | |
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52 | extern int iiArithAddCmd(const char *szName, short nAlias, short nTokval, |
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53 | short nToktype, short nPos); |
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54 | |
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55 | #include "Singular/mod_lib.h" |
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56 | |
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57 | #ifdef HAVE_LIBPARSER |
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58 | void yylprestart (FILE *input_file ); |
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59 | int current_pos(int i=0); |
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60 | EXTERN_VAR int yylp_errno; |
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61 | EXTERN_VAR int yylplineno; |
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62 | extern const char *yylp_errlist[]; |
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63 | void print_init(); |
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64 | VAR libstackv library_stack; |
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65 | #endif |
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66 | |
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67 | //int IsCmd(char *n, int tok); |
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68 | char mytolower(char c); |
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69 | |
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70 | /*2 |
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71 | * return TRUE if the libray libname is already loaded |
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72 | */ |
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73 | BOOLEAN iiGetLibStatus(const char *lib) |
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74 | { |
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75 | idhdl hl; |
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76 | |
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77 | char *plib = iiConvName(lib); |
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78 | hl = basePack->idroot->get(plib,0); |
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79 | omFree(plib); |
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80 | if((hl==NULL) ||(IDTYP(hl)!=PACKAGE_CMD)) |
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81 | { |
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82 | return FALSE; |
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83 | } |
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84 | if ((IDPACKAGE(hl)->language!=LANG_C)&&(IDPACKAGE(hl)->libname!=NULL)) |
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85 | return (strcmp(lib,IDPACKAGE(hl)->libname)==0); |
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86 | return FALSE; |
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87 | } |
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88 | |
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89 | /*2 |
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90 | * given a line 'proc[ ]+{name}[ \t]*' |
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91 | * return a pointer to name and set the end of '\0' |
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92 | * changes the input! |
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93 | * returns: e: pointer to 'end of name' |
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94 | * ct: changed char at the end of s |
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95 | */ |
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96 | char* iiProcName(char *buf, char & ct, char* &e) |
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97 | { |
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98 | char *s=buf+5; |
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99 | while (*s==' ') s++; |
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100 | e=s+1; |
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101 | while ((*e>' ') && (*e!='(')) e++; |
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102 | ct=*e; |
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103 | *e='\0'; |
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104 | return s; |
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105 | } |
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106 | |
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107 | /*2 |
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108 | * given a line with args, return the argstr |
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109 | */ |
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110 | char * iiProcArgs(char *e,BOOLEAN withParenth) |
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111 | { |
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112 | while ((*e==' ') || (*e=='\t') || (*e=='(')) e++; |
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113 | if (*e<' ') |
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114 | { |
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115 | if (withParenth) |
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116 | { |
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117 | // no argument list, allow list # |
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118 | return omStrDup("parameter list #;"); |
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119 | } |
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120 | else |
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121 | { |
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122 | // empty list |
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123 | return omStrDup(""); |
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124 | } |
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125 | } |
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126 | BOOLEAN in_args; |
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127 | BOOLEAN args_found; |
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128 | char *s; |
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129 | char *argstr=(char *)omAlloc(127); // see ../omalloc/omTables.inc |
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130 | int argstrlen=127; |
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131 | *argstr='\0'; |
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132 | int par=0; |
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133 | do |
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134 | { |
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135 | args_found=FALSE; |
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136 | s=e; // set s to the starting point of the arg |
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137 | // and search for the end |
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138 | // skip leading spaces: |
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139 | loop |
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140 | { |
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141 | if ((*s==' ')||(*s=='\t')) |
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142 | s++; |
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143 | else if ((*s=='\n')&&(*(s+1)==' ')) |
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144 | s+=2; |
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145 | else // start of new arg or \0 or ) |
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146 | break; |
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147 | } |
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148 | e=s; |
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149 | while ((*e!=',') |
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150 | &&((par!=0) || (*e!=')')) |
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151 | &&(*e!='\0')) |
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152 | { |
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153 | if (*e=='(') par++; |
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154 | else if (*e==')') par--; |
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155 | args_found=args_found || (*e>' '); |
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156 | e++; |
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157 | } |
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158 | in_args=(*e==','); |
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159 | if (args_found) |
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160 | { |
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161 | *e='\0'; |
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162 | // check for space: |
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163 | if ((int)strlen(argstr)+12 /* parameter + ;*/ +(int)strlen(s)>= argstrlen) |
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164 | { |
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165 | argstrlen*=2; |
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166 | char *a=(char *)omAlloc( argstrlen); |
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167 | strcpy(a,argstr); |
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168 | omFree((ADDRESS)argstr); |
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169 | argstr=a; |
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170 | } |
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171 | // copy the result to argstr |
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172 | if(strncmp(s,"alias ",6)!=0) |
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173 | { |
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174 | strcat(argstr,"parameter "); |
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175 | } |
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176 | strcat(argstr,s); |
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177 | strcat(argstr,"; "); |
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178 | e++; // e was pointing to ',' |
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179 | } |
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180 | } while (in_args); |
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181 | return argstr; |
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182 | } |
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183 | |
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184 | /*2 |
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185 | * locate `procname` in lib `libname` and find the part `part`: |
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186 | * part=0: help, between, but excluding the line "proc ..." and "{...": |
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187 | * => return |
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188 | * part=1: body, between "{ ..." and "}", including the 1. line, w/o "{" |
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189 | * => set pi->data.s.body, return NULL |
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190 | * part=2: example, between, but excluding the line "exapmle {..." and "}": |
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191 | * => return |
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192 | */ |
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193 | char* iiGetLibProcBuffer(procinfo *pi, int part ) |
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194 | { |
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195 | char buf[256], *s = NULL, *p; |
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196 | long procbuflen; |
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197 | |
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198 | FILE * fp = feFopen( pi->libname, "rb", NULL, TRUE ); |
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199 | if (fp==NULL) |
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200 | { |
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201 | return NULL; |
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202 | } |
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203 | |
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204 | fseek(fp, pi->data.s.proc_start, SEEK_SET); |
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205 | if(part==0) |
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206 | { // load help string |
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207 | int i, offset=0; |
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208 | long head = pi->data.s.def_end - pi->data.s.proc_start; |
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209 | procbuflen = pi->data.s.help_end - pi->data.s.help_start; |
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210 | if (procbuflen<5) |
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211 | { |
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212 | fclose(fp); |
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213 | return NULL; // help part does not exist |
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214 | } |
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215 | //Print("Help=%ld-%ld=%d\n", pi->data.s.body_start, |
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216 | // pi->data.s.proc_start, procbuflen); |
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217 | s = (char *)omAlloc(procbuflen+head+3); |
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218 | myfread(s, head, 1, fp); |
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219 | s[head] = '\n'; |
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220 | fseek(fp, pi->data.s.help_start, SEEK_SET); |
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221 | myfread(s+head+1, procbuflen, 1, fp); |
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222 | fclose(fp); |
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223 | s[procbuflen+head+1] = '\n'; |
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224 | s[procbuflen+head+2] = '\0'; |
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225 | offset=0; |
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226 | for(i=0;i<=procbuflen+head+2; i++) |
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227 | { |
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228 | if(s[i]=='\\' && |
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229 | (s[i+1]=='"' || s[i+1]=='{' || s[i+1]=='}' || s[i+1]=='\\')) |
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230 | { |
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231 | i++; |
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232 | offset++; |
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233 | } |
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234 | if(offset>0) s[i-offset] = s[i]; |
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235 | } |
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236 | return(s); |
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237 | } |
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238 | else if(part==1) |
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239 | { // load proc part - must exist |
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240 | procbuflen = pi->data.s.def_end - pi->data.s.proc_start; |
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241 | char *ss=(char *)omAlloc(procbuflen+2); |
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242 | //fgets(buf, sizeof(buf), fp); |
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243 | myfread( ss, procbuflen, 1, fp); |
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244 | char ct; |
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245 | char *e; |
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246 | s=iiProcName(ss,ct,e); |
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247 | char *argstr=NULL; |
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248 | *e=ct; |
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249 | argstr=iiProcArgs(e,TRUE); |
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250 | |
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251 | assume(pi->data.s.body_end > pi->data.s.body_start); |
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252 | |
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253 | procbuflen = pi->data.s.body_end - pi->data.s.body_start; |
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254 | pi->data.s.body = (char *)omAlloc( strlen(argstr)+procbuflen+15+ |
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255 | strlen(pi->libname) ); |
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256 | //Print("Body=%ld-%ld=%d\n", pi->data.s.body_end, |
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257 | // pi->data.s.body_start, procbuflen); |
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258 | assume(pi->data.s.body != NULL); |
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259 | fseek(fp, pi->data.s.body_start, SEEK_SET); |
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260 | strcpy(pi->data.s.body,argstr); |
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261 | myfread( pi->data.s.body+strlen(argstr), procbuflen, 1, fp); |
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262 | fclose( fp ); |
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263 | procbuflen+=strlen(argstr); |
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264 | omFree(argstr); |
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265 | omFree(ss); |
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266 | pi->data.s.body[procbuflen] = '\0'; |
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267 | strcat( pi->data.s.body+procbuflen, "\n;return();\n\n" ); |
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268 | strcat( pi->data.s.body+procbuflen+13,pi->libname); |
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269 | s=(char *)strchr(pi->data.s.body,'{'); |
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270 | if (s!=NULL) *s=' '; |
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271 | return NULL; |
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272 | } |
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273 | else if(part==2) |
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274 | { // example |
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275 | if ( pi->data.s.example_lineno == 0) |
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276 | return NULL; // example part does not exist |
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277 | // load example |
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278 | fseek(fp, pi->data.s.example_start, SEEK_SET); |
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279 | /*char *dummy=*/ (void) fgets(buf, sizeof(buf), fp); // skip line with "example" |
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280 | procbuflen = pi->data.s.proc_end - pi->data.s.example_start - strlen(buf); |
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281 | //Print("Example=%ld-%ld=%d\n", pi->data.s.proc_end, |
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282 | // pi->data.s.example_start, procbuflen); |
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283 | s = (char *)omAlloc(procbuflen+14); |
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284 | myfread(s, procbuflen, 1, fp); |
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285 | s[procbuflen] = '\0'; |
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286 | strcat(s+procbuflen-3, "\n;return();\n\n" ); |
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287 | p=(char *)strchr(s,'{'); |
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288 | if (p!=NULL) *p=' '; |
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289 | return(s); |
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290 | } |
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291 | return NULL; |
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292 | } |
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293 | |
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294 | BOOLEAN iiAllStart(procinfov pi, const char *p, feBufferTypes t, int l) |
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295 | { |
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296 | // see below: |
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297 | BITSET save1=si_opt_1; |
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298 | BITSET save2=si_opt_2; |
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299 | newBuffer( omStrDup(p /*pi->data.s.body*/), t /*BT_proc*/, |
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300 | pi, l ); |
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301 | BOOLEAN err=yyparse(); |
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302 | if (sLastPrinted.rtyp!=0) |
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303 | { |
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304 | sLastPrinted.CleanUp(); |
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305 | } |
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306 | // the access to optionStruct and verboseStruct do not work |
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307 | // on x86_64-Linux for pic-code |
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308 | if ((TEST_V_ALLWARN) && |
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309 | (t==BT_proc) && |
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310 | ((save1!=si_opt_1)||(save2!=si_opt_2)) && |
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311 | (pi->libname!=NULL) && (pi->libname[0]!='\0')) |
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312 | { |
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313 | if ((pi->libname!=NULL) && (pi->libname[0]!='\0')) |
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314 | Warn("option changed in proc %s from %s",pi->procname,pi->libname); |
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315 | else |
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316 | Warn("option changed in proc %s",pi->procname); |
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317 | int i; |
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318 | for (i=0; optionStruct[i].setval!=0; i++) |
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319 | { |
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320 | if ((optionStruct[i].setval & si_opt_1) |
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321 | && (!(optionStruct[i].setval & save1))) |
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322 | { |
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323 | Print(" +%s",optionStruct[i].name); |
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324 | } |
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325 | if (!(optionStruct[i].setval & si_opt_1) |
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326 | && ((optionStruct[i].setval & save1))) |
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327 | { |
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328 | Print(" -%s",optionStruct[i].name); |
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329 | } |
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330 | } |
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331 | for (i=0; verboseStruct[i].setval!=0; i++) |
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332 | { |
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333 | if ((verboseStruct[i].setval & si_opt_2) |
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334 | && (!(verboseStruct[i].setval & save2))) |
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335 | { |
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336 | Print(" +%s",verboseStruct[i].name); |
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337 | } |
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338 | if (!(verboseStruct[i].setval & si_opt_2) |
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339 | && ((verboseStruct[i].setval & save2))) |
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340 | { |
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341 | Print(" -%s",verboseStruct[i].name); |
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342 | } |
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343 | } |
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344 | PrintLn(); |
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345 | } |
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346 | return err; |
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347 | } |
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348 | /*2 |
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349 | * start a proc |
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350 | * parameters are built as exprlist |
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351 | * TODO:interrupt |
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352 | * return FALSE on success, TRUE if an error occurs |
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353 | */ |
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354 | BOOLEAN iiPStart(idhdl pn, leftv v) |
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355 | { |
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356 | procinfov pi=NULL; |
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357 | int old_echo=si_echo; |
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358 | BOOLEAN err=FALSE; |
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359 | char save_flags=0; |
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360 | |
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361 | /* init febase ======================================== */ |
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362 | /* we do not enter this case if filename != NULL !! */ |
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363 | if (pn!=NULL) |
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364 | { |
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365 | pi = IDPROC(pn); |
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366 | if(pi!=NULL) |
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367 | { |
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368 | save_flags=pi->trace_flag; |
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369 | if( pi->data.s.body==NULL ) |
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370 | { |
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371 | iiGetLibProcBuffer(pi); |
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372 | if (pi->data.s.body==NULL) return TRUE; |
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373 | } |
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374 | // omUpdateInfo(); |
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375 | // int m=om_Info.UsedBytes; |
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376 | // Print("proc %s, mem=%d\n",IDID(pn),m); |
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377 | } |
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378 | } |
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379 | else return TRUE; |
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380 | /* generate argument list ======================================*/ |
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381 | //iiCurrArgs should be NULL here, as the assignment for the parameters |
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382 | // of the prevouis call are already done befor calling another routine |
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383 | if (v!=NULL) |
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384 | { |
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385 | iiCurrArgs=(leftv)omAllocBin(sleftv_bin); |
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386 | memcpy(iiCurrArgs,v,sizeof(sleftv)); // keeps track of v->next etc. |
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387 | memset(v,0,sizeof(sleftv)); |
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388 | } |
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389 | else |
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390 | { |
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391 | iiCurrArgs=NULL; |
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392 | } |
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393 | iiCurrProc=pn; |
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394 | /* start interpreter ======================================*/ |
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395 | myynest++; |
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396 | if (myynest > SI_MAX_NEST) |
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397 | { |
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398 | WerrorS("nesting too deep"); |
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399 | err=TRUE; |
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400 | } |
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401 | else |
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402 | { |
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403 | err=iiAllStart(pi,pi->data.s.body,BT_proc,pi->data.s.body_lineno-(v!=NULL)); |
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404 | |
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405 | if (iiLocalRing[myynest-1] != currRing) |
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406 | { |
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407 | if (iiRETURNEXPR.RingDependend()) |
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408 | { |
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409 | //idhdl hn; |
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410 | const char *n; |
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411 | const char *o; |
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412 | idhdl nh=NULL, oh=NULL; |
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413 | if (iiLocalRing[myynest-1]!=NULL) |
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414 | oh=rFindHdl(iiLocalRing[myynest-1],NULL); |
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415 | if (oh!=NULL) o=oh->id; |
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416 | else o="none"; |
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417 | if (currRing!=NULL) |
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418 | nh=rFindHdl(currRing,NULL); |
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419 | if (nh!=NULL) n=nh->id; |
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420 | else n="none"; |
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421 | Werror("ring change during procedure call %s: %s -> %s (level %d)",pi->procname,o,n,myynest); |
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422 | iiRETURNEXPR.CleanUp(); |
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423 | err=TRUE; |
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424 | } |
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425 | currRing=iiLocalRing[myynest-1]; |
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426 | } |
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427 | if ((currRing==NULL) |
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428 | && (currRingHdl!=NULL)) |
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429 | currRing=IDRING(currRingHdl); |
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430 | else |
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431 | if ((currRing!=NULL) && |
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432 | ((currRingHdl==NULL)||(IDRING(currRingHdl)!=currRing) |
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433 | ||(IDLEV(currRingHdl)>=myynest-1))) |
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434 | { |
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435 | rSetHdl(rFindHdl(currRing,NULL)); |
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436 | iiLocalRing[myynest-1]=NULL; |
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437 | } |
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438 | //Print("kill locals for %s (level %d)\n",IDID(pn),myynest); |
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439 | killlocals(myynest); |
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440 | #ifndef SING_NDEBUG |
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441 | checkall(); |
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442 | #endif |
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443 | //Print("end kill locals for %s (%d)\n",IDID(pn),myynest); |
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444 | } |
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445 | myynest--; |
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446 | si_echo=old_echo; |
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447 | if (pi!=NULL) |
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448 | pi->trace_flag=save_flags; |
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449 | // omUpdateInfo(); |
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450 | // int m=om_Info.UsedBytes; |
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451 | // Print("exit %s, mem=%d\n",IDID(pn),m); |
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452 | return err; |
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453 | } |
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454 | |
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455 | VAR ring *iiLocalRing; |
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456 | INST_VAR sleftv iiRETURNEXPR; |
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457 | VAR int iiRETURNEXPR_len=0; |
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458 | |
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459 | #ifdef RDEBUG |
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460 | static void iiShowLevRings() |
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461 | { |
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462 | int i; |
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463 | for (i=0;i<=myynest;i++) |
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464 | { |
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465 | Print("lev %d:",i); |
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466 | if (iiLocalRing[i]==NULL) PrintS("NULL"); |
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467 | else Print("%lx",(long)iiLocalRing[i]); |
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468 | PrintLn(); |
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469 | } |
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470 | if (currRing==NULL) PrintS("curr:NULL\n"); |
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471 | else Print ("curr:%lx\n",(long)currRing); |
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472 | } |
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473 | #endif /* RDEBUG */ |
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474 | |
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475 | static void iiCheckNest() |
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476 | { |
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477 | if (myynest >= iiRETURNEXPR_len-1) |
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478 | { |
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479 | iiLocalRing=(ring *)omreallocSize(iiLocalRing, |
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480 | iiRETURNEXPR_len*sizeof(ring), |
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481 | (iiRETURNEXPR_len+16)*sizeof(ring)); |
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482 | memset(&(iiLocalRing[iiRETURNEXPR_len]),0,16*sizeof(ring)); |
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483 | iiRETURNEXPR_len+=16; |
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484 | } |
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485 | } |
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486 | BOOLEAN iiMake_proc(idhdl pn, package pack, leftv args) |
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487 | { |
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488 | int err; |
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489 | procinfov pi = IDPROC(pn); |
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490 | if(pi->is_static && myynest==0) |
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491 | { |
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492 | Werror("'%s::%s()' is a local procedure and cannot be accessed by an user.", |
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493 | pi->libname, pi->procname); |
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494 | return TRUE; |
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495 | } |
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496 | iiCheckNest(); |
---|
497 | iiLocalRing[myynest]=currRing; |
---|
498 | //Print("currRing(%d):%s(%x) in %s\n",myynest,IDID(currRingHdl),currRing,IDID(pn)); |
---|
499 | iiRETURNEXPR.Init(); |
---|
500 | procstack->push(pi->procname); |
---|
501 | if ((traceit&TRACE_SHOW_PROC) |
---|
502 | || (pi->trace_flag&TRACE_SHOW_PROC)) |
---|
503 | { |
---|
504 | if (traceit&TRACE_SHOW_LINENO) PrintLn(); |
---|
505 | Print("entering%-*.*s %s (level %d)\n",myynest*2,myynest*2," ",IDID(pn),myynest); |
---|
506 | } |
---|
507 | #ifdef RDEBUG |
---|
508 | if (traceit&TRACE_SHOW_RINGS) iiShowLevRings(); |
---|
509 | #endif |
---|
510 | switch (pi->language) |
---|
511 | { |
---|
512 | default: |
---|
513 | case LANG_NONE: |
---|
514 | WerrorS("undefined proc"); |
---|
515 | err=TRUE; |
---|
516 | break; |
---|
517 | |
---|
518 | case LANG_SINGULAR: |
---|
519 | if ((pi->pack!=NULL)&&(currPack!=pi->pack)) |
---|
520 | { |
---|
521 | currPack=pi->pack; |
---|
522 | iiCheckPack(currPack); |
---|
523 | currPackHdl=packFindHdl(currPack); |
---|
524 | //Print("set pack=%s\n",IDID(currPackHdl)); |
---|
525 | } |
---|
526 | else if ((pack!=NULL)&&(currPack!=pack)) |
---|
527 | { |
---|
528 | currPack=pack; |
---|
529 | iiCheckPack(currPack); |
---|
530 | currPackHdl=packFindHdl(currPack); |
---|
531 | //Print("set pack=%s\n",IDID(currPackHdl)); |
---|
532 | } |
---|
533 | err=iiPStart(pn,args); |
---|
534 | break; |
---|
535 | case LANG_C: |
---|
536 | leftv res = (leftv)omAlloc0Bin(sleftv_bin); |
---|
537 | err = (pi->data.o.function)(res, args); |
---|
538 | memcpy(&iiRETURNEXPR,res,sizeof(iiRETURNEXPR)); |
---|
539 | omFreeBin((ADDRESS)res, sleftv_bin); |
---|
540 | break; |
---|
541 | } |
---|
542 | if ((traceit&TRACE_SHOW_PROC) |
---|
543 | || (pi->trace_flag&TRACE_SHOW_PROC)) |
---|
544 | { |
---|
545 | if (traceit&TRACE_SHOW_LINENO) PrintLn(); |
---|
546 | Print("leaving %-*.*s %s (level %d)\n",myynest*2,myynest*2," ",IDID(pn),myynest); |
---|
547 | } |
---|
548 | //const char *n="NULL"; |
---|
549 | //if (currRingHdl!=NULL) n=IDID(currRingHdl); |
---|
550 | //Print("currRing(%d):%s(%x) after %s\n",myynest,n,currRing,IDID(pn)); |
---|
551 | #ifdef RDEBUG |
---|
552 | if (traceit&TRACE_SHOW_RINGS) iiShowLevRings(); |
---|
553 | #endif |
---|
554 | if (err) |
---|
555 | { |
---|
556 | iiRETURNEXPR.CleanUp(); |
---|
557 | //iiRETURNEXPR.Init(); //done by CleanUp |
---|
558 | } |
---|
559 | if (iiCurrArgs!=NULL) |
---|
560 | { |
---|
561 | if (!err) Warn("too many arguments for %s",IDID(pn)); |
---|
562 | iiCurrArgs->CleanUp(); |
---|
563 | omFreeBin((ADDRESS)iiCurrArgs, sleftv_bin); |
---|
564 | iiCurrArgs=NULL; |
---|
565 | } |
---|
566 | procstack->pop(); |
---|
567 | if (err) |
---|
568 | return TRUE; |
---|
569 | return FALSE; |
---|
570 | } |
---|
571 | static void iiCallLibProcBegin() |
---|
572 | { |
---|
573 | idhdl tmp_ring=NULL; |
---|
574 | if (currRing!=NULL) |
---|
575 | { |
---|
576 | if ((currRingHdl!=NULL) && (IDRING(currRingHdl)!=currRing)) |
---|
577 | { |
---|
578 | // clean up things depending on currRingHdl: |
---|
579 | sLastPrinted.CleanUp(IDRING(currRingHdl)); |
---|
580 | sLastPrinted.Init(); |
---|
581 | } |
---|
582 | // need to define a ring-hdl for currRingHdl |
---|
583 | tmp_ring=enterid(" tmpRing",myynest,RING_CMD,&IDROOT,FALSE); |
---|
584 | IDRING(tmp_ring)=currRing; |
---|
585 | currRing->ref++; |
---|
586 | rSetHdl(tmp_ring); |
---|
587 | } |
---|
588 | } |
---|
589 | static void iiCallLibProcEnd(idhdl save_ringhdl, ring save_ring) |
---|
590 | { |
---|
591 | if ((currRing!=NULL) |
---|
592 | &&(currRing!=save_ring)) |
---|
593 | { |
---|
594 | currRing->ref--; |
---|
595 | idhdl hh=IDROOT; |
---|
596 | idhdl prev=NULL; |
---|
597 | while((hh!=currRingHdl) && (hh!=NULL)) { prev=hh; hh=hh->next; } |
---|
598 | if (hh!=NULL) |
---|
599 | { |
---|
600 | if (prev==NULL) IDROOT=hh->next; |
---|
601 | else prev->next=hh->next; |
---|
602 | omFree((ADDRESS)IDID(hh)); |
---|
603 | omFreeBin((ADDRESS)hh, idrec_bin); |
---|
604 | } |
---|
605 | } |
---|
606 | currRingHdl=save_ringhdl; |
---|
607 | currRing=save_ring; |
---|
608 | } |
---|
609 | |
---|
610 | void* iiCallLibProc1(const char*n, void *arg, int arg_type, BOOLEAN &err) |
---|
611 | { |
---|
612 | idhdl h=ggetid(n); |
---|
613 | if ((h==NULL) |
---|
614 | || (IDTYP(h)!=PROC_CMD)) |
---|
615 | { |
---|
616 | err=2; |
---|
617 | return NULL; |
---|
618 | } |
---|
619 | // ring handling |
---|
620 | idhdl save_ringhdl=currRingHdl; |
---|
621 | ring save_ring=currRing; |
---|
622 | iiCallLibProcBegin(); |
---|
623 | // argument: |
---|
624 | sleftv tmp; |
---|
625 | tmp.Init(); |
---|
626 | tmp.data=arg; |
---|
627 | tmp.rtyp=arg_type; |
---|
628 | // call proc |
---|
629 | err=iiMake_proc(h,currPack,&tmp); |
---|
630 | // clean up ring |
---|
631 | iiCallLibProcEnd(save_ringhdl,save_ring); |
---|
632 | // return |
---|
633 | if (err==FALSE) |
---|
634 | { |
---|
635 | void*r=iiRETURNEXPR.data; |
---|
636 | iiRETURNEXPR.data=NULL; |
---|
637 | iiRETURNEXPR.CleanUp(); |
---|
638 | return r; |
---|
639 | } |
---|
640 | return NULL; |
---|
641 | } |
---|
642 | |
---|
643 | // return NULL on failure |
---|
644 | ideal ii_CallProcId2Id(const char *lib,const char *proc, ideal arg, const ring R) |
---|
645 | { |
---|
646 | char *plib = iiConvName(lib); |
---|
647 | idhdl h=ggetid(plib); |
---|
648 | omFree(plib); |
---|
649 | if (h==NULL) |
---|
650 | { |
---|
651 | BOOLEAN bo=iiLibCmd(omStrDup(lib),TRUE,TRUE,FALSE); |
---|
652 | if (bo) return NULL; |
---|
653 | } |
---|
654 | ring oldR=currRing; |
---|
655 | rChangeCurrRing(R); |
---|
656 | BOOLEAN err; |
---|
657 | ideal I=(ideal)iiCallLibProc1(proc,idCopy(arg),IDEAL_CMD,err); |
---|
658 | rChangeCurrRing(oldR); |
---|
659 | if (err) return NULL; |
---|
660 | return I; |
---|
661 | } |
---|
662 | |
---|
663 | int ii_CallProcId2Int(const char *lib,const char *proc, ideal arg, const ring R) |
---|
664 | { |
---|
665 | char *plib = iiConvName(lib); |
---|
666 | idhdl h=ggetid(plib); |
---|
667 | omFree(plib); |
---|
668 | if (h==NULL) |
---|
669 | { |
---|
670 | BOOLEAN bo=iiLibCmd(omStrDup(lib),TRUE,TRUE,FALSE); |
---|
671 | if (bo) return 0; |
---|
672 | } |
---|
673 | BOOLEAN err; |
---|
674 | ring oldR=currRing; |
---|
675 | rChangeCurrRing(R); |
---|
676 | int I=(int)(long)iiCallLibProc1(proc,idCopy(arg),IDEAL_CMD,err); |
---|
677 | rChangeCurrRing(oldR); |
---|
678 | if (err) return 0; |
---|
679 | return I; |
---|
680 | } |
---|
681 | |
---|
682 | /// args: NULL terminated array of arguments |
---|
683 | /// arg_types: 0 terminated array of corresponding types |
---|
684 | leftv ii_CallLibProcM(const char*n, void **args, int* arg_types, const ring R, BOOLEAN &err) |
---|
685 | { |
---|
686 | idhdl h=ggetid(n); |
---|
687 | if ((h==NULL) |
---|
688 | || (IDTYP(h)!=PROC_CMD)) |
---|
689 | { |
---|
690 | err=2; |
---|
691 | return NULL; |
---|
692 | } |
---|
693 | // ring handling |
---|
694 | idhdl save_ringhdl=currRingHdl; |
---|
695 | ring save_ring=currRing; |
---|
696 | rChangeCurrRing(R); |
---|
697 | iiCallLibProcBegin(); |
---|
698 | // argument: |
---|
699 | if (arg_types[0]!=0) |
---|
700 | { |
---|
701 | sleftv tmp; |
---|
702 | leftv tt=&tmp; |
---|
703 | int i=1; |
---|
704 | tmp.Init(); |
---|
705 | tmp.data=args[0]; |
---|
706 | tmp.rtyp=arg_types[0]; |
---|
707 | while(arg_types[i]!=0) |
---|
708 | { |
---|
709 | tt->next=(leftv)omAlloc0Bin(sleftv_bin); |
---|
710 | tt=tt->next; |
---|
711 | tt->rtyp=arg_types[i]; |
---|
712 | tt->data=args[i]; |
---|
713 | i++; |
---|
714 | } |
---|
715 | // call proc |
---|
716 | err=iiMake_proc(h,currPack,&tmp); |
---|
717 | } |
---|
718 | else |
---|
719 | // call proc |
---|
720 | err=iiMake_proc(h,currPack,NULL); |
---|
721 | // clean up ring |
---|
722 | iiCallLibProcEnd(save_ringhdl,save_ring); |
---|
723 | // return |
---|
724 | if (err==FALSE) |
---|
725 | { |
---|
726 | leftv h=(leftv)omAllocBin(sleftv_bin); |
---|
727 | memcpy(h,&iiRETURNEXPR,sizeof(sleftv)); |
---|
728 | memset(&iiRETURNEXPR,0,sizeof(sleftv)); |
---|
729 | return h; |
---|
730 | } |
---|
731 | return NULL; |
---|
732 | } |
---|
733 | /*2 |
---|
734 | * start an example (as a proc), |
---|
735 | * destroys the string 'example' |
---|
736 | */ |
---|
737 | BOOLEAN iiEStart(char* example, procinfo *pi) |
---|
738 | { |
---|
739 | BOOLEAN err; |
---|
740 | int old_echo=si_echo; |
---|
741 | |
---|
742 | iiCheckNest(); |
---|
743 | procstack->push(example); |
---|
744 | iiLocalRing[myynest]=currRing; |
---|
745 | if (traceit&TRACE_SHOW_PROC) |
---|
746 | { |
---|
747 | if (traceit&TRACE_SHOW_LINENO) printf("\n"); |
---|
748 | printf("entering example (level %d)\n",myynest); |
---|
749 | } |
---|
750 | myynest++; |
---|
751 | |
---|
752 | err=iiAllStart(pi,example,BT_example,(pi != NULL ? pi->data.s.example_lineno: 0)); |
---|
753 | |
---|
754 | killlocals(myynest); |
---|
755 | myynest--; |
---|
756 | si_echo=old_echo; |
---|
757 | if (traceit&TRACE_SHOW_PROC) |
---|
758 | { |
---|
759 | if (traceit&TRACE_SHOW_LINENO) printf("\n"); |
---|
760 | printf("leaving -example- (level %d)\n",myynest); |
---|
761 | } |
---|
762 | if (iiLocalRing[myynest] != currRing) |
---|
763 | { |
---|
764 | if (iiLocalRing[myynest]!=NULL) |
---|
765 | { |
---|
766 | rSetHdl(rFindHdl(iiLocalRing[myynest],NULL)); |
---|
767 | iiLocalRing[myynest]=NULL; |
---|
768 | } |
---|
769 | else |
---|
770 | { |
---|
771 | currRingHdl=NULL; |
---|
772 | currRing=NULL; |
---|
773 | } |
---|
774 | } |
---|
775 | procstack->pop(); |
---|
776 | return err; |
---|
777 | } |
---|
778 | |
---|
779 | |
---|
780 | extern "C" |
---|
781 | { |
---|
782 | # define SI_GET_BUILTIN_MOD_INIT0(name) int SI_MOD_INIT0(name)(SModulFunctions*); |
---|
783 | SI_FOREACH_BUILTIN(SI_GET_BUILTIN_MOD_INIT0) |
---|
784 | # undef SI_GET_BUILTIN_MOD_INIT0 |
---|
785 | }; |
---|
786 | |
---|
787 | |
---|
788 | SModulFunc_t |
---|
789 | iiGetBuiltinModInit(const char* libname) |
---|
790 | { |
---|
791 | # define SI_GET_BUILTIN_MOD_INIT(name) if (strcmp(libname, #name ".so") == 0){ return SI_MOD_INIT0(name); } |
---|
792 | SI_FOREACH_BUILTIN(SI_GET_BUILTIN_MOD_INIT) |
---|
793 | # undef SI_GET_BUILTIN_MOD_INIT |
---|
794 | |
---|
795 | return NULL; |
---|
796 | } |
---|
797 | |
---|
798 | |
---|
799 | |
---|
800 | |
---|
801 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
802 | BOOLEAN iiTryLoadLib(leftv v, const char *id) |
---|
803 | { |
---|
804 | BOOLEAN LoadResult = TRUE; |
---|
805 | char libnamebuf[1024]; |
---|
806 | char *libname = (char *)omAlloc(strlen(id)+5); |
---|
807 | const char *suffix[] = { "", ".lib", ".so", ".sl", NULL }; |
---|
808 | int i = 0; |
---|
809 | // FILE *fp; |
---|
810 | // package pack; |
---|
811 | // idhdl packhdl; |
---|
812 | lib_types LT; |
---|
813 | for(i=0; suffix[i] != NULL; i++) |
---|
814 | { |
---|
815 | sprintf(libname, "%s%s", id, suffix[i]); |
---|
816 | *libname = mytolower(*libname); |
---|
817 | if((LT = type_of_LIB(libname, libnamebuf)) > LT_NOTFOUND) |
---|
818 | { |
---|
819 | char *s=omStrDup(libname); |
---|
820 | #ifdef HAVE_DYNAMIC_LOADING |
---|
821 | char libnamebuf[1024]; |
---|
822 | #endif |
---|
823 | |
---|
824 | if (LT==LT_SINGULAR) |
---|
825 | LoadResult = iiLibCmd(s, FALSE, FALSE,TRUE); |
---|
826 | #ifdef HAVE_DYNAMIC_LOADING |
---|
827 | else if ((LT==LT_ELF) || (LT==LT_HPUX)) |
---|
828 | LoadResult = load_modules(s,libnamebuf,FALSE); |
---|
829 | #endif |
---|
830 | else if (LT==LT_BUILTIN) |
---|
831 | { |
---|
832 | LoadResult=load_builtin(s,FALSE, iiGetBuiltinModInit(s)); |
---|
833 | } |
---|
834 | if(!LoadResult ) |
---|
835 | { |
---|
836 | v->name = iiConvName(libname); |
---|
837 | break; |
---|
838 | } |
---|
839 | } |
---|
840 | } |
---|
841 | omFree(libname); |
---|
842 | return LoadResult; |
---|
843 | } |
---|
844 | |
---|
845 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
846 | /* check, if library lib has already been loaded |
---|
847 | if yes, writes filename of lib into where and returns TRUE, |
---|
848 | no, returns FALSE |
---|
849 | */ |
---|
850 | BOOLEAN iiLocateLib(const char* lib, char* where) |
---|
851 | { |
---|
852 | char *plib = iiConvName(lib); |
---|
853 | idhdl pl = basePack->idroot->get(plib,0); |
---|
854 | if( (pl!=NULL) && (IDTYP(pl)==PACKAGE_CMD) && |
---|
855 | (IDPACKAGE(pl)->language == LANG_SINGULAR)) |
---|
856 | { |
---|
857 | strncpy(where,IDPACKAGE(pl)->libname,127); |
---|
858 | return TRUE; |
---|
859 | } |
---|
860 | else |
---|
861 | return FALSE;; |
---|
862 | } |
---|
863 | |
---|
864 | BOOLEAN iiLibCmd( char *newlib, BOOLEAN autoexport, BOOLEAN tellerror, BOOLEAN force ) |
---|
865 | { |
---|
866 | char libnamebuf[1024]; |
---|
867 | // procinfov pi; |
---|
868 | // idhdl h; |
---|
869 | idhdl pl; |
---|
870 | // idhdl hl; |
---|
871 | // long pos = 0L; |
---|
872 | char *plib = iiConvName(newlib); |
---|
873 | FILE * fp = feFopen( newlib, "r", libnamebuf, tellerror ); |
---|
874 | // int lines = 1; |
---|
875 | BOOLEAN LoadResult = TRUE; |
---|
876 | |
---|
877 | if (fp==NULL) |
---|
878 | { |
---|
879 | return TRUE; |
---|
880 | } |
---|
881 | pl = basePack->idroot->get(plib,0); |
---|
882 | if (pl==NULL) |
---|
883 | { |
---|
884 | pl = enterid( plib,0, PACKAGE_CMD, |
---|
885 | &(basePack->idroot), TRUE ); |
---|
886 | IDPACKAGE(pl)->language = LANG_SINGULAR; |
---|
887 | IDPACKAGE(pl)->libname=omStrDup(newlib); |
---|
888 | } |
---|
889 | else |
---|
890 | { |
---|
891 | if(IDTYP(pl)!=PACKAGE_CMD) |
---|
892 | { |
---|
893 | WarnS("not of type package."); |
---|
894 | fclose(fp); |
---|
895 | return TRUE; |
---|
896 | } |
---|
897 | if (!force) return FALSE; |
---|
898 | } |
---|
899 | LoadResult = iiLoadLIB(fp, libnamebuf, newlib, pl, autoexport, tellerror); |
---|
900 | omFree((ADDRESS)newlib); |
---|
901 | |
---|
902 | if(!LoadResult) IDPACKAGE(pl)->loaded = TRUE; |
---|
903 | omFree((ADDRESS)plib); |
---|
904 | |
---|
905 | return LoadResult; |
---|
906 | } |
---|
907 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
908 | static void iiCleanProcs(idhdl &root) |
---|
909 | { |
---|
910 | idhdl prev=NULL; |
---|
911 | loop |
---|
912 | { |
---|
913 | if (root==NULL) return; |
---|
914 | if (IDTYP(root)==PROC_CMD) |
---|
915 | { |
---|
916 | procinfo *pi=(procinfo*)IDDATA(root); |
---|
917 | if ((pi->language == LANG_SINGULAR) |
---|
918 | && (pi->data.s.body_start == 0L)) |
---|
919 | { |
---|
920 | // procinfo data incorrect: |
---|
921 | // - no proc body can start at the beginning of the file |
---|
922 | killhdl(root); |
---|
923 | if (prev==NULL) |
---|
924 | root=IDROOT; |
---|
925 | else |
---|
926 | { |
---|
927 | root=prev; |
---|
928 | prev=NULL; |
---|
929 | } |
---|
930 | continue; |
---|
931 | } |
---|
932 | } |
---|
933 | prev=root; |
---|
934 | root=IDNEXT(root); |
---|
935 | } |
---|
936 | } |
---|
937 | static void iiRunInit(package p) |
---|
938 | { |
---|
939 | idhdl h=p->idroot->get("mod_init",0); |
---|
940 | if (h==NULL) return; |
---|
941 | if (IDTYP(h)==PROC_CMD) |
---|
942 | { |
---|
943 | int save=yylineno; |
---|
944 | myynest++; |
---|
945 | // procinfo *pi=(procinfo*)IDDATA(h); |
---|
946 | //PrintS("mod_init found\n"); |
---|
947 | iiMake_proc(h,p,NULL); |
---|
948 | myynest--; |
---|
949 | yylineno=save; |
---|
950 | } |
---|
951 | } |
---|
952 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
953 | BOOLEAN iiLoadLIB(FILE *fp, const char *libnamebuf, const char*newlib, |
---|
954 | idhdl pl, BOOLEAN autoexport, BOOLEAN tellerror) |
---|
955 | { |
---|
956 | EXTERN_VAR FILE *yylpin; |
---|
957 | libstackv ls_start = library_stack; |
---|
958 | lib_style_types lib_style; |
---|
959 | |
---|
960 | yylpin = fp; |
---|
961 | #if YYLPDEBUG > 1 |
---|
962 | print_init(); |
---|
963 | #endif |
---|
964 | EXTERN_VAR int lpverbose; |
---|
965 | if (BVERBOSE(V_DEBUG_LIB)) lpverbose=1; |
---|
966 | else lpverbose=0; |
---|
967 | // yylplex sets also text_buffer |
---|
968 | if (text_buffer!=NULL) *text_buffer='\0'; |
---|
969 | yylplex(newlib, libnamebuf, &lib_style, pl, autoexport); |
---|
970 | if(yylp_errno) |
---|
971 | { |
---|
972 | Werror("Library %s: ERROR occurred: in line %d, %d.", newlib, yylplineno, |
---|
973 | current_pos(0)); |
---|
974 | if(yylp_errno==YYLP_BAD_CHAR) |
---|
975 | { |
---|
976 | Werror(yylp_errlist[yylp_errno], *text_buffer, yylplineno); |
---|
977 | omFree((ADDRESS)text_buffer); |
---|
978 | text_buffer=NULL; |
---|
979 | } |
---|
980 | else |
---|
981 | Werror(yylp_errlist[yylp_errno], yylplineno); |
---|
982 | WerrorS("Cannot load library,... aborting."); |
---|
983 | reinit_yylp(); |
---|
984 | fclose( yylpin ); |
---|
985 | iiCleanProcs(IDROOT); |
---|
986 | return TRUE; |
---|
987 | } |
---|
988 | if (BVERBOSE(V_LOAD_LIB)) |
---|
989 | Print( "// ** loaded %s %s\n", libnamebuf, text_buffer); |
---|
990 | if( (lib_style == OLD_LIBSTYLE) && (BVERBOSE(V_LOAD_LIB))) |
---|
991 | { |
---|
992 | Warn( "library %s has old format. This format is still accepted,", newlib); |
---|
993 | WarnS( "but for functionality you may wish to change to the new"); |
---|
994 | WarnS( "format. Please refer to the manual for further information."); |
---|
995 | } |
---|
996 | reinit_yylp(); |
---|
997 | fclose( yylpin ); |
---|
998 | fp = NULL; |
---|
999 | iiRunInit(IDPACKAGE(pl)); |
---|
1000 | |
---|
1001 | { |
---|
1002 | libstackv ls; |
---|
1003 | for(ls = library_stack; (ls != NULL) && (ls != ls_start); ) |
---|
1004 | { |
---|
1005 | if(ls->to_be_done) |
---|
1006 | { |
---|
1007 | ls->to_be_done=FALSE; |
---|
1008 | iiLibCmd(ls->get(),autoexport,tellerror,FALSE); |
---|
1009 | ls = ls->pop(newlib); |
---|
1010 | } |
---|
1011 | } |
---|
1012 | #if 0 |
---|
1013 | PrintS("--------------------\n"); |
---|
1014 | for(ls = library_stack; ls != NULL; ls = ls->next) |
---|
1015 | { |
---|
1016 | Print("%s: LIB-stack:(%d), %s %s\n", newlib, ls->cnt, ls->get(), |
---|
1017 | ls->to_be_done ? "not loaded" : "loaded"); |
---|
1018 | } |
---|
1019 | PrintS("--------------------\n"); |
---|
1020 | #endif |
---|
1021 | } |
---|
1022 | |
---|
1023 | if(fp != NULL) fclose(fp); |
---|
1024 | return FALSE; |
---|
1025 | } |
---|
1026 | |
---|
1027 | |
---|
1028 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1029 | procinfo *iiInitSingularProcinfo(procinfov pi, const char *libname, |
---|
1030 | const char *procname, int, long pos, BOOLEAN pstatic) |
---|
1031 | { |
---|
1032 | memset(pi,0,sizeof(*pi)); |
---|
1033 | pi->libname = omStrDup(libname); |
---|
1034 | pi->procname = omStrDup(procname); |
---|
1035 | pi->language = LANG_SINGULAR; |
---|
1036 | pi->ref = 1; |
---|
1037 | pi->is_static = pstatic; |
---|
1038 | pi->data.s.proc_start = pos; |
---|
1039 | return(pi); |
---|
1040 | } |
---|
1041 | |
---|
1042 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1043 | int iiAddCproc(const char *libname, const char *procname, BOOLEAN pstatic, |
---|
1044 | BOOLEAN(*func)(leftv res, leftv v)) |
---|
1045 | { |
---|
1046 | procinfov pi; |
---|
1047 | idhdl h; |
---|
1048 | |
---|
1049 | #ifndef SING_NDEBUG |
---|
1050 | int dummy; |
---|
1051 | if (IsCmd(procname,dummy)) |
---|
1052 | { |
---|
1053 | Werror(">>%s< is a reserved name",procname); |
---|
1054 | return 0; |
---|
1055 | } |
---|
1056 | #endif |
---|
1057 | |
---|
1058 | h=IDROOT->get(procname,0); |
---|
1059 | if ((h!=NULL) |
---|
1060 | && (IDTYP(h)==PROC_CMD)) |
---|
1061 | { |
---|
1062 | pi = IDPROC(h); |
---|
1063 | #if 0 |
---|
1064 | if ((pi->language == LANG_SINGULAR) |
---|
1065 | &&(BVERBOSE(V_REDEFINE))) |
---|
1066 | Warn("extend `%s`",procname); |
---|
1067 | #endif |
---|
1068 | } |
---|
1069 | else |
---|
1070 | { |
---|
1071 | h = enterid(procname,0, PROC_CMD, &IDROOT, TRUE); |
---|
1072 | } |
---|
1073 | if ( h!= NULL ) |
---|
1074 | { |
---|
1075 | pi = IDPROC(h); |
---|
1076 | if((pi->language == LANG_SINGULAR) |
---|
1077 | ||(pi->language == LANG_NONE)) |
---|
1078 | { |
---|
1079 | omfree(pi->libname); |
---|
1080 | pi->libname = omStrDup(libname); |
---|
1081 | omfree(pi->procname); |
---|
1082 | pi->procname = omStrDup(procname); |
---|
1083 | pi->language = LANG_C; |
---|
1084 | pi->ref = 1; |
---|
1085 | pi->is_static = pstatic; |
---|
1086 | pi->data.o.function = func; |
---|
1087 | } |
---|
1088 | else if(pi->language == LANG_C) |
---|
1089 | { |
---|
1090 | if(pi->data.o.function == func) |
---|
1091 | { |
---|
1092 | pi->ref++; |
---|
1093 | } |
---|
1094 | else |
---|
1095 | { |
---|
1096 | omfree(pi->libname); |
---|
1097 | pi->libname = omStrDup(libname); |
---|
1098 | omfree(pi->procname); |
---|
1099 | pi->procname = omStrDup(procname); |
---|
1100 | pi->language = LANG_C; |
---|
1101 | pi->ref = 1; |
---|
1102 | pi->is_static = pstatic; |
---|
1103 | pi->data.o.function = func; |
---|
1104 | } |
---|
1105 | } |
---|
1106 | else |
---|
1107 | Warn("internal error: unknown procedure type %d",pi->language); |
---|
1108 | if (currPack->language==LANG_SINGULAR) currPack->language=LANG_MIX; |
---|
1109 | return(1); |
---|
1110 | } |
---|
1111 | else |
---|
1112 | { |
---|
1113 | WarnS("iiAddCproc: failed."); |
---|
1114 | } |
---|
1115 | return(0); |
---|
1116 | } |
---|
1117 | |
---|
1118 | int iiAddCprocTop(const char *libname, const char *procname, BOOLEAN pstatic, |
---|
1119 | BOOLEAN(*func)(leftv res, leftv v)) |
---|
1120 | { |
---|
1121 | int r=iiAddCproc(libname,procname,pstatic,func); |
---|
1122 | package s=currPack; |
---|
1123 | currPack=basePack; |
---|
1124 | if (r) r=iiAddCproc(libname,procname,pstatic,func); |
---|
1125 | currPack=s; |
---|
1126 | return r; |
---|
1127 | } |
---|
1128 | |
---|
1129 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1130 | #ifdef HAVE_DYNAMIC_LOADING |
---|
1131 | #include <map> |
---|
1132 | #include <string> |
---|
1133 | #include <pthread.h> |
---|
1134 | |
---|
1135 | THREAD_VAR std::map<std::string, void *> *dyn_modules; |
---|
1136 | |
---|
1137 | bool registered_dyn_module(char *fullname) { |
---|
1138 | if (dyn_modules == NULL) |
---|
1139 | return false; |
---|
1140 | std::string fname = fullname; |
---|
1141 | return dyn_modules->count(fname) != 0; |
---|
1142 | } |
---|
1143 | |
---|
1144 | void register_dyn_module(char *fullname, void * handle) { |
---|
1145 | std::string fname = fullname; |
---|
1146 | if (dyn_modules == NULL) |
---|
1147 | dyn_modules = new std::map<std::string, void *>(); |
---|
1148 | dyn_modules->insert(std::pair<std::string, void *>(fname, handle)); |
---|
1149 | } |
---|
1150 | |
---|
1151 | void close_all_dyn_modules() { |
---|
1152 | for (std::map<std::string, void *>::iterator it = dyn_modules->begin(); |
---|
1153 | it != dyn_modules->end(); |
---|
1154 | it++) |
---|
1155 | { |
---|
1156 | dynl_close(it->second); |
---|
1157 | } |
---|
1158 | delete dyn_modules; |
---|
1159 | dyn_modules = NULL; |
---|
1160 | } |
---|
1161 | BOOLEAN load_modules_aux(const char *newlib, char *fullname, BOOLEAN autoexport) |
---|
1162 | { |
---|
1163 | #ifdef HAVE_STATIC |
---|
1164 | WerrorS("mod_init: static version can not load modules"); |
---|
1165 | return TRUE; |
---|
1166 | #else |
---|
1167 | /* |
---|
1168 | typedef int (*fktn_t)(int(*iiAddCproc)(const char *libname, const char *procname, |
---|
1169 | BOOLEAN pstatic, |
---|
1170 | BOOLEAN(*func)(leftv res, leftv v))); |
---|
1171 | */ |
---|
1172 | SModulFunc_t fktn; |
---|
1173 | idhdl pl; |
---|
1174 | char *plib = iiConvName(newlib); |
---|
1175 | BOOLEAN RET=TRUE; |
---|
1176 | int token; |
---|
1177 | char FullName[256]; |
---|
1178 | |
---|
1179 | memset(FullName,0,256); |
---|
1180 | |
---|
1181 | if( *fullname != '/' && *fullname != '.' ) |
---|
1182 | sprintf(FullName, "./%s", newlib); |
---|
1183 | else strncpy(FullName, fullname,255); |
---|
1184 | |
---|
1185 | |
---|
1186 | if(IsCmd(plib, token)) |
---|
1187 | { |
---|
1188 | Werror("'%s' is resered identifier\n", plib); |
---|
1189 | goto load_modules_end; |
---|
1190 | } |
---|
1191 | pl = basePack->idroot->get(plib,0); /* packages only in top level |
---|
1192 | (see enterid) */ |
---|
1193 | if ((pl!=NULL) |
---|
1194 | &&(IDTYP(pl)==PACKAGE_CMD)) |
---|
1195 | { |
---|
1196 | if(IDPACKAGE(pl)->language==LANG_C) |
---|
1197 | { |
---|
1198 | if (BVERBOSE(V_LOAD_LIB)) Warn( "%s already loaded as package", newlib); |
---|
1199 | omFree(plib); |
---|
1200 | return FALSE; |
---|
1201 | } |
---|
1202 | else if(IDPACKAGE(pl)->language==LANG_MIX) |
---|
1203 | { |
---|
1204 | if (BVERBOSE(V_LOAD_LIB)) Warn( "%s contain binary parts, cannot load", newlib); |
---|
1205 | omFree(plib); |
---|
1206 | return FALSE; |
---|
1207 | } |
---|
1208 | } |
---|
1209 | else |
---|
1210 | { |
---|
1211 | pl = enterid( plib,0, PACKAGE_CMD, &IDROOT, TRUE ); |
---|
1212 | omFree(plib); /* enterid copied plib*/ |
---|
1213 | IDPACKAGE(pl)->libname=omStrDup(newlib); |
---|
1214 | } |
---|
1215 | IDPACKAGE(pl)->language = LANG_C; |
---|
1216 | if (dynl_check_opened(FullName)) |
---|
1217 | { |
---|
1218 | if (BVERBOSE(V_LOAD_LIB)) Warn( "%s already loaded as C library", fullname); |
---|
1219 | return FALSE; |
---|
1220 | } |
---|
1221 | if((IDPACKAGE(pl)->handle=dynl_open(FullName))==(void *)NULL) |
---|
1222 | { |
---|
1223 | Werror("dynl_open failed:%s", dynl_error()); |
---|
1224 | Werror("%s not found", newlib); |
---|
1225 | killhdl2(pl,&(basePack->idroot),NULL); // remove package |
---|
1226 | goto load_modules_end; |
---|
1227 | } |
---|
1228 | else |
---|
1229 | { |
---|
1230 | SModulFunctions sModulFunctions; |
---|
1231 | |
---|
1232 | package s=currPack; |
---|
1233 | currPack=IDPACKAGE(pl); |
---|
1234 | fktn = (SModulFunc_t)dynl_sym(IDPACKAGE(pl)->handle, "mod_init"); |
---|
1235 | if( fktn!= NULL) |
---|
1236 | { |
---|
1237 | sModulFunctions.iiArithAddCmd = iiArithAddCmd; |
---|
1238 | if (autoexport) sModulFunctions.iiAddCproc = iiAddCprocTop; |
---|
1239 | else sModulFunctions.iiAddCproc = iiAddCproc; |
---|
1240 | int ver=(*fktn)(&sModulFunctions); |
---|
1241 | if (ver==MAX_TOK) |
---|
1242 | { |
---|
1243 | if (BVERBOSE(V_LOAD_LIB)) Print( "// ** loaded %s\n", fullname); |
---|
1244 | } |
---|
1245 | else |
---|
1246 | { |
---|
1247 | Warn("loaded %s for a different version of Singular(expected MAX_TOK: %d, got %d)",fullname,MAX_TOK,ver); |
---|
1248 | } |
---|
1249 | currPack->loaded=1; |
---|
1250 | currPack=s; /* reset currPack to previous */ |
---|
1251 | register_dyn_module(fullname, IDPACKAGE(pl)->handle); |
---|
1252 | RET=FALSE; |
---|
1253 | } |
---|
1254 | else |
---|
1255 | { |
---|
1256 | Werror("mod_init not found:: %s\nThis is probably not a dynamic module for Singular!\n", dynl_error()); |
---|
1257 | errorreported=0; |
---|
1258 | if(IDPACKAGE(pl)->idroot==NULL) |
---|
1259 | killhdl2(pl,&(basePack->idroot),NULL); // remove package |
---|
1260 | } |
---|
1261 | } |
---|
1262 | |
---|
1263 | load_modules_end: |
---|
1264 | return RET; |
---|
1265 | #endif /*STATIC */ |
---|
1266 | } |
---|
1267 | |
---|
1268 | BOOLEAN load_modules(const char *newlib, char *fullname, BOOLEAN autoexport) { |
---|
1269 | GLOBAL_VAR static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; |
---|
1270 | pthread_mutex_lock(&mutex); |
---|
1271 | BOOLEAN r = load_modules_aux(newlib, fullname, autoexport); |
---|
1272 | pthread_mutex_unlock(&mutex); |
---|
1273 | return r; |
---|
1274 | } |
---|
1275 | #endif /* HAVE_DYNAMIC_LOADING */ |
---|
1276 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1277 | BOOLEAN load_builtin(const char *newlib, BOOLEAN autoexport, SModulFunc_t init) |
---|
1278 | { |
---|
1279 | int iiAddCproc(const char *libname, const char *procname, BOOLEAN pstatic, |
---|
1280 | BOOLEAN(*func)(leftv res, leftv v)); |
---|
1281 | /* |
---|
1282 | typedef int (*fktn_t)(int(*iiAddCproc)(const char *libname, const char *procname, |
---|
1283 | BOOLEAN pstatic, |
---|
1284 | BOOLEAN(*func)(leftv res, leftv v))); |
---|
1285 | */ |
---|
1286 | // SModulFunc_t fktn; |
---|
1287 | idhdl pl; |
---|
1288 | char *plib = iiConvName(newlib); |
---|
1289 | // BOOLEAN RET=TRUE; |
---|
1290 | // int token; |
---|
1291 | |
---|
1292 | pl = basePack->idroot->get(plib,0); // search PACKAGE only in Top |
---|
1293 | if ((pl!=NULL) |
---|
1294 | &&(IDTYP(pl)==PACKAGE_CMD)) |
---|
1295 | { |
---|
1296 | if(IDPACKAGE(pl)->language==LANG_C) |
---|
1297 | { |
---|
1298 | if (BVERBOSE(V_LOAD_LIB)) Warn( "(builtin) %s already loaded", newlib); |
---|
1299 | omFree(plib); |
---|
1300 | return FALSE; |
---|
1301 | } |
---|
1302 | } |
---|
1303 | else |
---|
1304 | { |
---|
1305 | pl = enterid( plib,0, PACKAGE_CMD, &IDROOT, TRUE ); |
---|
1306 | IDPACKAGE(pl)->libname=omStrDup(newlib); |
---|
1307 | } |
---|
1308 | IDPACKAGE(pl)->language = LANG_C; |
---|
1309 | |
---|
1310 | IDPACKAGE(pl)->handle=(void *)NULL; |
---|
1311 | SModulFunctions sModulFunctions; |
---|
1312 | |
---|
1313 | package s=currPack; |
---|
1314 | currPack=IDPACKAGE(pl); |
---|
1315 | if( init!= NULL) |
---|
1316 | { |
---|
1317 | sModulFunctions.iiArithAddCmd = iiArithAddCmd; |
---|
1318 | if (autoexport) sModulFunctions.iiAddCproc = iiAddCprocTop; |
---|
1319 | else sModulFunctions.iiAddCproc = iiAddCproc; |
---|
1320 | (*init)(&sModulFunctions); |
---|
1321 | } |
---|
1322 | if (BVERBOSE(V_LOAD_LIB)) Print( "// ** loaded (builtin) %s \n", newlib); |
---|
1323 | currPack->loaded=1; |
---|
1324 | currPack=s; |
---|
1325 | |
---|
1326 | return FALSE; |
---|
1327 | } |
---|
1328 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1329 | void module_help_main(const char *newlib,const char *help) |
---|
1330 | { |
---|
1331 | char *plib = iiConvName(newlib); |
---|
1332 | idhdl pl = basePack->idroot->get(plib,0); |
---|
1333 | if ((pl==NULL)||(IDTYP(pl)!=PACKAGE_CMD)) |
---|
1334 | Werror(">>%s<< is not a package (trying to add package help)",plib); |
---|
1335 | else |
---|
1336 | { |
---|
1337 | package s=currPack; |
---|
1338 | currPack=IDPACKAGE(pl); |
---|
1339 | idhdl h=enterid("info",0,STRING_CMD,&IDROOT,FALSE); |
---|
1340 | IDSTRING(h)=omStrDup(help); |
---|
1341 | currPack=s; |
---|
1342 | } |
---|
1343 | } |
---|
1344 | void module_help_proc(const char *newlib,const char *p, const char *help) |
---|
1345 | { |
---|
1346 | char *plib = iiConvName(newlib); |
---|
1347 | idhdl pl = basePack->idroot->get(plib,0); |
---|
1348 | if ((pl==NULL)||(IDTYP(pl)!=PACKAGE_CMD)) |
---|
1349 | Werror(">>%s<< is not a package(trying to add help for %s)",plib,p); |
---|
1350 | else |
---|
1351 | { |
---|
1352 | package s=currPack; |
---|
1353 | currPack=IDPACKAGE(pl); |
---|
1354 | char buff[256]; |
---|
1355 | buff[255]='\0'; |
---|
1356 | strncpy(buff,p,255); |
---|
1357 | strncat(buff,"_help",255-strlen(p)); |
---|
1358 | idhdl h=enterid(buff,0,STRING_CMD,&IDROOT,FALSE); |
---|
1359 | IDSTRING(h)=omStrDup(help); |
---|
1360 | currPack=s; |
---|
1361 | } |
---|
1362 | } |
---|
1363 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1364 | |
---|
1365 | #ifdef HAVE_DYNAMIC_LOADING |
---|
1366 | // loads a dynamic module from the binary path and returns a named function |
---|
1367 | // returns NULL, if something fails |
---|
1368 | void* binary_module_function(const char* newlib, const char* funcname) |
---|
1369 | { |
---|
1370 | void* result = NULL; |
---|
1371 | |
---|
1372 | const char* bin_dir = feGetResource('b'); |
---|
1373 | if (!bin_dir) { return NULL; } |
---|
1374 | |
---|
1375 | char path_name[MAXPATHLEN]; |
---|
1376 | sprintf(path_name, "%s%s%s.%s", bin_dir, DIR_SEPP, newlib, MODULE_SUFFIX_STRING); |
---|
1377 | |
---|
1378 | void* openlib = dynl_open(path_name); |
---|
1379 | if(!openlib) |
---|
1380 | { |
---|
1381 | Werror("dynl_open of %s failed:%s", path_name, dynl_error()); |
---|
1382 | return NULL; |
---|
1383 | } |
---|
1384 | result = dynl_sym(openlib, funcname); |
---|
1385 | if (!result) Werror("%s: %s\n", funcname, dynl_error()); |
---|
1386 | |
---|
1387 | return result; |
---|
1388 | } |
---|
1389 | #endif |
---|
1390 | |
---|
1391 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1392 | char mytoupper(char c) |
---|
1393 | { |
---|
1394 | if(c>=97 && c<=(97+26)) c-=32; |
---|
1395 | return(c); |
---|
1396 | } |
---|
1397 | |
---|
1398 | char mytolower(char c) |
---|
1399 | { |
---|
1400 | if(c>=65 && c<=(65+26)) c+=32; |
---|
1401 | return(c); |
---|
1402 | } |
---|
1403 | |
---|
1404 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1405 | //#if defined(WINNT) |
---|
1406 | //# define FS_SEP '\\' |
---|
1407 | //#else |
---|
1408 | //# define FS_SEP '/' |
---|
1409 | //#endif |
---|
1410 | |
---|
1411 | char *iiConvName(const char *libname) |
---|
1412 | { |
---|
1413 | char *tmpname = omStrDup(libname); |
---|
1414 | char *p = strrchr(tmpname, DIR_SEP); |
---|
1415 | char *r; |
---|
1416 | if(p==NULL) p = tmpname; else p++; |
---|
1417 | // p is now the start of the file name (without path) |
---|
1418 | r=p; |
---|
1419 | while(isalnum(*r)||(*r=='_')) r++; |
---|
1420 | // r point the the end of the main part of the filename |
---|
1421 | *r = '\0'; |
---|
1422 | r = omStrDup(p); |
---|
1423 | *r = mytoupper(*r); |
---|
1424 | // printf("iiConvName: '%s' '%s' => '%s'\n", libname, tmpname, r); |
---|
1425 | omFree((ADDRESS)tmpname); |
---|
1426 | |
---|
1427 | return(r); |
---|
1428 | } |
---|
1429 | |
---|
1430 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1431 | #if 0 /* debug only */ |
---|
1432 | void piShowProcList() |
---|
1433 | { |
---|
1434 | idhdl h; |
---|
1435 | procinfo *proc; |
---|
1436 | char *name; |
---|
1437 | |
---|
1438 | Print( "%-15s %20s %s,%s %s,%s %s,%s\n", "Library", "function", |
---|
1439 | "line", "start", "line", "body", "line", "example"); |
---|
1440 | for(h = IDROOT; h != NULL; h = IDNEXT(h)) |
---|
1441 | { |
---|
1442 | if(IDTYP(h) == PROC_CMD) |
---|
1443 | { |
---|
1444 | proc = IDPROC(h); |
---|
1445 | if(strcmp(proc->procname, IDID(h))!=0) |
---|
1446 | { |
---|
1447 | name = (char *)omAlloc(strlen(IDID(h))+strlen(proc->procname)+4); |
---|
1448 | sprintf(name, "%s -> %s", IDID(h), proc->procname); |
---|
1449 | Print( "%d %-15s %20s ", proc->is_static ? 1 : 0, proc->libname, name); |
---|
1450 | omFree((ADDRESS)name); |
---|
1451 | } |
---|
1452 | else |
---|
1453 | Print( "%d %-15s %20s ", proc->is_static ? 1 : 0, proc->libname, |
---|
1454 | proc->procname); |
---|
1455 | if(proc->language==LANG_SINGULAR) |
---|
1456 | Print("line %-5ld %4d,%-5ld %4d,%-5ld\n", |
---|
1457 | proc->data.s.proc_start, |
---|
1458 | proc->data.s.body_lineno, proc->data.s.body_start, |
---|
1459 | proc->data.s.example_lineno, proc->data.s.example_start); |
---|
1460 | else if(proc->language==LANG_C) |
---|
1461 | PrintS("type: object\n"); |
---|
1462 | } |
---|
1463 | } |
---|
1464 | } |
---|
1465 | #endif |
---|
1466 | |
---|
1467 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1468 | //char *iiLineNo(char *procname, int lineno) |
---|
1469 | //{ |
---|
1470 | // char buf[256]; |
---|
1471 | // idhdl pn = ggetid(procname); |
---|
1472 | // procinfo *pi = IDPROC(pn); |
---|
1473 | // |
---|
1474 | // sprintf(buf, "%s %3d\0", procname, lineno); |
---|
1475 | // //sprintf(buf, "%s::%s %3d\0", pi->libname, pi->procname, |
---|
1476 | // // lineno + pi->data.s.body_lineno); |
---|
1477 | // return(buf); |
---|
1478 | //} |
---|
1479 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|
1480 | #ifdef HAVE_LIBPARSER |
---|
1481 | void libstack::push(const char */*p*/, char *libn) |
---|
1482 | { |
---|
1483 | libstackv lp; |
---|
1484 | if( !iiGetLibStatus(libn)) |
---|
1485 | { |
---|
1486 | for(lp = this;lp!=NULL;lp=lp->next) |
---|
1487 | { |
---|
1488 | if(strcmp(lp->get(), libn)==0) break; |
---|
1489 | } |
---|
1490 | if(lp==NULL) |
---|
1491 | { |
---|
1492 | libstackv ls = (libstack *)omAlloc0Bin(libstack_bin); |
---|
1493 | ls->next = this; |
---|
1494 | ls->libname = omStrDup(libn); |
---|
1495 | ls->to_be_done = TRUE; |
---|
1496 | if(library_stack != NULL) ls->cnt = library_stack->cnt+1; else ls->cnt = 0; |
---|
1497 | library_stack = ls; |
---|
1498 | } |
---|
1499 | } |
---|
1500 | } |
---|
1501 | |
---|
1502 | libstackv libstack::pop(const char */*p*/) |
---|
1503 | { |
---|
1504 | libstackv ls = this; |
---|
1505 | //omFree((ADDRESS)ls->libname); |
---|
1506 | library_stack = ls->next; |
---|
1507 | omFreeBin((ADDRESS)ls, libstack_bin); |
---|
1508 | return(library_stack); |
---|
1509 | } |
---|
1510 | |
---|
1511 | #endif /* HAVE_LIBPARSER */ |
---|
1512 | /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/ |
---|