core: Refactor display.
This commit is contained in:
Jan (janneke) Nieuwenhuizen
parent
f746db72c5
commit
e0da734c8b
190
src/display.c
190
src/display.c
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@ -25,6 +25,83 @@
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int g_depth;
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void
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fdwrite_char (char v, int fd)
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{
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if (v == '\0')
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fdputs ("\\nul", fd);
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else if (v == '\a')
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fdputs ("\\alarm", fd);
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else if (v == '\b')
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fdputs ("\\backspace", fd);
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else if (v == '\t')
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fdputs ("\\tab", fd);
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else if (v == '\n')
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fdputs ("\\newline", fd);
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else if (v == '\v')
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fdputs ("\\vtab", fd);
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else if (v == '\f')
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fdputs ("\\page", fd);
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//Nyacc bug
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// else if (v == '\r') fdputs ("return", fd);
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else if (v == 13)
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fdputs ("\\return", fd);
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else if (v == ' ')
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fdputs ("\\space", fd);
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else
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{
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if (v >= 32 && v <= 127)
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fdputc ('\\', fd);
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fdputc (v, fd);
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}
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}
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void
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fdwrite_string_char (char v, int fd)
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{
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if (v == '\0')
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fdputs ("\\0", fd);
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else if (v == '\a')
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fdputs ("\\a", fd);
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else if (v == '\b')
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fdputs ("\\b", fd);
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else if (v == '\t')
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fdputs ("\\t", fd);
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else if (v == '\v')
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fdputs ("\\v", fd);
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else if (v == '\n')
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fdputs ("\\n", fd);
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else if (v == '\f')
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fdputs ("\\f", fd);
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#if 1 //__MESC__
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//Nyacc bug
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else if (v == 13)
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fdputs ("\\r", fd);
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else if (v == 27)
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fdputs ("\\e", fd);
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#else
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//else if (v == '\r') fdputs ("\\r", fd);
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//Nyacc crash
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//else if (v == '\e') fdputs ("\\e", fd);
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#endif
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else if (v == '\\')
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fdputs ("\\\\", fd);
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else if (v == '"')
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fdputs ("\\\"", fd);
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else
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fdputc (v, fd);
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}
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void
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fdwrite_string (char *s, int length, int fd)
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{
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int i;
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for (i = 0; i < length; i = i + 1)
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fdwrite_string_char (s[i], fd);
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}
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SCM display_helper (SCM x, int cont, char *sep, int fd, int write_p);
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SCM
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display_helper (SCM x, int cont, char *sep, int fd, int write_p)
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{
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@ -38,36 +115,10 @@ display_helper (SCM x, int cont, char *sep, int fd, int write_p)
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{
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if (write_p == 0)
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fdputc (VALUE (x), fd);
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else
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else if (1)
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{
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fdputs ("#", fd);
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long v = VALUE (x);
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if (v == '\0')
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fdputs ("\\nul", fd);
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else if (v == '\a')
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fdputs ("\\alarm", fd);
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else if (v == '\b')
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fdputs ("\\backspace", fd);
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else if (v == '\t')
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fdputs ("\\tab", fd);
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else if (v == '\n')
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fdputs ("\\newline", fd);
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else if (v == '\v')
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fdputs ("\\vtab", fd);
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else if (v == '\f')
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fdputs ("\\page", fd);
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//Nyacc bug
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// else if (v == '\r') fdputs ("return", fd);
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else if (v == 13)
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fdputs ("\\return", fd);
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else if (v == ' ')
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fdputs ("\\space", fd);
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else
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{
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if (v >= 32 && v <= 127)
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fdputc ('\\', fd);
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fdputc (VALUE (x), fd);
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}
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fdwrite_char (VALUE (x), fd);
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}
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}
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else if (t == TCLOSURE)
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@ -131,64 +182,35 @@ display_helper (SCM x, int cont, char *sep, int fd, int write_p)
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if (cont == 0)
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fdputs (")", fd);
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}
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else if (t == TKEYWORD || t == TPORT || t == TSPECIAL || t == TSTRING || t == TSYMBOL)
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else if (t == TPORT)
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{
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if (t == TPORT)
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{
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fdputs ("#<port ", fd);
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fdputs (itoa (PORT (x)), fd);
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fdputs (" ", fd);
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x = STRING (x);
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}
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if (t == TKEYWORD)
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fdputs ("#:", fd);
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if ((write_p && t == TSTRING) || t == TPORT)
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fdputc ('"', fd);
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char const *s = CSTRING (x);
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size_t length = LENGTH (x);
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size_t i;
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for (i = 0; i < length; i = i + 1)
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{
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long v = -1;
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if (write_p != 0)
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v = s[i];
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if (v == '\0')
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fdputs ("\\0", fd);
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else if (v == '\a')
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fdputs ("\\a", fd);
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else if (v == '\b')
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fdputs ("\\b", fd);
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else if (v == '\t')
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fdputs ("\\t", fd);
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else if (v == '\v')
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fdputs ("\\v", fd);
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else if (v == '\n')
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fdputs ("\\n", fd);
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else if (v == '\f')
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fdputs ("\\f", fd);
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#if 1 //__MESC__
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//Nyacc bug
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else if (v == 13)
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fdputs ("\\r", fd);
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else if (v == 27)
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fdputs ("\\e", fd);
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#else
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//else if (v == '\r') fdputs ("\\r", fd);
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//Nyacc crash
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//else if (v == '\e') fdputs ("\\e", fd);
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#endif
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else if (v == '\\')
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fdputs ("\\\\", fd);
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else if (v == '"')
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fdputs ("\\\"", fd);
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else
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fdputc (s[i], fd);
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}
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if ((write_p && t == TSTRING) || t == TPORT)
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fdputc ('"', fd);
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if (t == TPORT)
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fdputs (">", fd);
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fdputs ("#<port ", fd);
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fdputs (itoa (PORT (x)), fd);
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fdputs (" ", fd);
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x = STRING (x);
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fdputc ('"', fd);
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fdwrite_string (CSTRING (x), LENGTH (x), fd);
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fdputc ('"', fd);
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fdputs (">", fd);
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}
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else if (t == TKEYWORD)
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{
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fdputs ("#:", fd);
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fdwrite_string (CSTRING (x), LENGTH (x), fd);
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}
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else if (t == TSTRING)
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{
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if (write_p == 1)
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{
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fdputc ('"', fd);
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fdwrite_string (CSTRING (x), LENGTH (x), fd);
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fdputc ('"', fd);
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}
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else
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fdputs (CSTRING (x), fd);
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}
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else if (t == TSPECIAL || t == TSYMBOL)
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fdwrite_string (CSTRING (x), LENGTH (x), fd);
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else if (t == TREF)
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fdisplay_ (REF (x), fd, write_p);
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else if (t == TSTRUCT)
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