125 lines
3.1 KiB
C
125 lines
3.1 KiB
C
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#include "ikarus.h"
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#include <stdio.h>
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#include <stdlib.h>
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static void print(FILE* fh, ikp x);
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void ik_fprint(FILE* fh, ikp x){
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print(fh, x);
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}
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void ik_print(ikp x){
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print(stdout, x);
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fprintf(stdout, "\n");
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}
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static char* char_string[128] = {
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"#\\nul","#\\soh","#\\stx","#\\etx","#\\eot","#\\enq","#\\ack","#\\bel",
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"#\\bs", "#\\tab","#\\newline", "#\\vt", "#\\ff", "#\\return", "#\\so",
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"#\\si",
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"#\\dle","#\\dc1","#\\dc2","#\\dc3","#\\dc4","#\\nak","#\\syn","#\\etb",
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"#\\can","#\\em", "#\\sub","#\\esc","#\\fs", "#\\gs", "#\\rs", "#\\us",
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"#\\space","#\\!","#\\\"","#\\#","#\\$","#\\%","#\\&","#\\'",
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"#\\(","#\\)","#\\*","#\\+","#\\,","#\\-","#\\.","#\\/",
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"#\\0","#\\1","#\\2","#\\3","#\\4","#\\5","#\\6","#\\7",
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"#\\8","#\\9","#\\:","#\\;","#\\<","#\\=","#\\>","#\\?",
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"#\\@","#\\A","#\\B","#\\C","#\\D","#\\E","#\\F","#\\G",
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"#\\H","#\\I","#\\J","#\\K","#\\L","#\\M","#\\N","#\\O",
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"#\\P","#\\Q","#\\R","#\\S","#\\T","#\\U","#\\V","#\\W",
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"#\\X","#\\Y","#\\Z","#\\[","#\\\\","#\\]","#\\^","#\\_",
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"#\\`","#\\a","#\\b","#\\c","#\\d","#\\e","#\\f","#\\g",
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"#\\h","#\\i","#\\j","#\\k","#\\l","#\\m","#\\n","#\\o",
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"#\\p","#\\q","#\\r","#\\s","#\\t","#\\u","#\\v","#\\w",
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"#\\x","#\\y","#\\z","#\\{","#\\|","#\\}","#\\~","#\\del"};
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static void
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print(FILE* fh, ikp x){
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if(IK_FIXNUMP(x)){
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fprintf(fh, "%d", IK_UNFIX(x));
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}
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else if(x == IK_FALSE_OBJECT){
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fprintf(fh, "#f");
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}
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else if(x == IK_TRUE_OBJECT){
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fprintf(fh, "#t");
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}
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else if(x == IK_NULL_OBJECT){
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fprintf(fh, "()");
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}
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else if(IK_CHARP(x)){
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fprintf(fh, "%s", char_string[IK_CHAR_VAL(x)]);
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}
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else if(tagof(x) == symbol_tag){
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ikp str = ref(x, off_symbol_string);
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fprintf(fh, "%s", str+off_string_data);
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}
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else if(tagof(x) == vector_tag){
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ikp len = ref(x, off_vector_length);
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if(len == 0){
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fprintf(fh, "#()");
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} else {
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fprintf(fh, "#(");
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ikp data = x + off_vector_data;
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print(fh, ref(data, 0));
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ikp i = (ikp)wordsize;
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while(i<len){
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fprintf(fh, " ");
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print(fh, ref(data,i));
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i += wordsize;
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}
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fprintf(fh, ")");
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}
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}
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else if(is_closure(x)){
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fprintf(fh, "#<procedure>");
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}
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else if(IK_PAIRP(x)){
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fprintf(fh, "(");
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print(fh, REF(x, IK_OFF_CAR));
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ikp d = REF(x, IK_OFF_CDR);
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fprintf(stderr, "d=0x%08x\n", (int)d);
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while(1){
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if(IK_PAIRP(d)){
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fprintf(fh, " ");
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print(fh, REF(d, IK_OFF_CAR));
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d = REF(d, IK_OFF_CDR);
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}
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else if(d == IK_NULL_OBJECT){
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fprintf(fh, ")");
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return;
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}
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else {
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fprintf(fh, " . ");
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print(fh, d);
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fprintf(fh, ")");
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return;
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}
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}
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}
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else if(tagof(x) == string_tag){
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ikp fxlen = ref(x, off_string_length);
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int len = unfix(fxlen);
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char* data = string_data(x);
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fprintf(fh, "\"");
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int i;
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for(i=0; i<len; i++){
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char c = data[i];
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if((c == '\\') || (c == '"')){
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fprintf(fh, "\\");
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}
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fprintf(fh, "%c", c);
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}
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fprintf(fh, "\"");
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}
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else {
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fprintf(fh, "#<unknown>");
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}
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}
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