static void findMakeTags (void) { stringList *identifiers = stringListNew (); boolean newline = TRUE; boolean in_define = FALSE; boolean in_rule = FALSE; boolean variable_possible = TRUE; int c; while ((c = nextChar ()) != EOF) { if (newline) { if (in_rule) { if (c == '\t' || (c = skipToNonWhite (c)) == '#') { skipLine (); /* skip rule or comment */ c = nextChar (); } else if (c != '\n') in_rule = FALSE; } stringListClear (identifiers); variable_possible = (boolean)(!in_rule); newline = FALSE; } if (c == '\n') newline = TRUE; else if (isspace (c)) continue; else if (c == '#') skipLine (); else if (variable_possible && c == '?') { c = nextChar (); ungetcToInputFile (c); variable_possible = (c == '='); } else if (variable_possible && c == ':' && stringListCount (identifiers) > 0) { c = nextChar (); ungetcToInputFile (c); if (c != '=') { unsigned int i; for (i = 0; i < stringListCount (identifiers); i++) newTarget (stringListItem (identifiers, i)); stringListClear (identifiers); in_rule = TRUE; } } else if (variable_possible && c == '=' && stringListCount (identifiers) == 1) { newMacro (stringListItem (identifiers, 0)); skipLine (); in_rule = FALSE; } else if (variable_possible && isIdentifier (c)) { vString *name = vStringNew (); readIdentifier (c, name); stringListAdd (identifiers, name); if (stringListCount (identifiers) == 1) { if (in_define && ! strcmp (vStringValue (name), "endef")) in_define = FALSE; else if (in_define) skipLine (); else if (! strcmp (vStringValue (name), "define")) { in_define = TRUE; c = skipToNonWhite (nextChar ()); vStringClear (name); /* all remaining characters on the line are the name -- even spaces */ while (c != EOF && c != '\n') { vStringPut (name, c); c = nextChar (); } if (c == '\n') ungetcToInputFile (c); vStringTerminate (name); vStringStripTrailing (name); newMacro (name); } else if (! strcmp (vStringValue (name), "export")) stringListClear (identifiers); else if (! strcmp (vStringValue (name), "include") || ! strcmp (vStringValue (name), "sinclude") || ! strcmp (vStringValue (name), "-include")) { boolean optional = (vStringValue (name)[0] == 'i')? FALSE: TRUE; while (1) { c = skipToNonWhite (nextChar ()); readIdentifier (c, name); vStringStripTrailing (name); if (isAcceptableAsInclude(name)) newInclude (name, optional); /* non-space characters after readIdentifier() may * be rejected by the function: * e.g. * include $* * * Here, remove such characters from input stream. */ do c = nextChar (); while (c != EOF && c != '\n' && (!isspace (c))); if (c == '\n') ungetcToInputFile (c); if (c == EOF || c == '\n') break; } } } } else variable_possible = FALSE; } stringListDelete (identifiers); }
static void findMakeTags (void) { stringList *identifiers = stringListNew (); boolean newline = TRUE; boolean in_define = FALSE; boolean in_rule = FALSE; boolean variable_possible = TRUE; int c; while ((c = nextChar ()) != EOF) { if (newline) { if (in_rule) { if (c == '\t' || (c = skipToNonWhite (c)) == '#') { skipLine (); /* skip rule or comment */ c = nextChar (); } else if (c != '\n') in_rule = FALSE; } stringListClear (identifiers); variable_possible = (boolean)(!in_rule); newline = FALSE; } if (c == '\n') newline = TRUE; else if (isspace (c)) continue; else if (c == '#') skipLine (); else if (variable_possible && c == '?') { c = nextChar (); fileUngetc (c); variable_possible = (c == '='); } else if (variable_possible && c == ':' && stringListCount (identifiers) > 0) { c = nextChar (); fileUngetc (c); if (c != '=') { unsigned int i; for (i = 0; i < stringListCount (identifiers); i++) newTarget (stringListItem (identifiers, i)); stringListClear (identifiers); in_rule = TRUE; } } else if (variable_possible && c == '=' && stringListCount (identifiers) == 1) { newMacro (stringListItem (identifiers, 0)); skipLine (); in_rule = FALSE; } else if (variable_possible && isIdentifier (c)) { vString *name = vStringNew (); readIdentifier (c, name); stringListAdd (identifiers, name); if (stringListCount (identifiers) == 1) { if (in_define && ! strcmp (vStringValue (name), "endef")) in_define = FALSE; else if (in_define) skipLine (); else if (! strcmp (vStringValue (name), "define")) { in_define = TRUE; c = skipToNonWhite (nextChar ()); vStringClear (name); /* all remaining characters on the line are the name -- even spaces */ while (c != EOF && c != '\n') { vStringPut (name, c); c = nextChar (); } if (c == '\n') fileUngetc (c); vStringTerminate (name); vStringStripTrailing (name); newMacro (name); } else if (! strcmp (vStringValue (name), "export")) stringListClear (identifiers); } } else variable_possible = FALSE; } stringListDelete (identifiers); }