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infix.h
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infix.h
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! ==============================================================================
! INFIX: Support for the optional library debugger extension "Infix".
!
! Supplied for use with Inform 6 -- Release 6/12-beta1 -- Serial number 140724
!
! Copyright Graham Nelson 1993-2004 and David Griffith 2012-2014
!
! This code is licensed under either the traditional Inform license as
! described by the DM4 or the Artistic License version 2.0. See the
! file COPYING in the distribution archive or at
! https://github.com/DavidGriffith/inform6lib/
!
! This file is automatically Included in your game file by "Grammar" if you
! supply the -X compiler switch.
! ==============================================================================
System_file;
! ------------------------------------------------------------------------------
#Ifdef DEBUG;
Constant INFIXTT_NUMBER 0;
Constant INFIXTT_ARRAY 1;
Constant INFIXTT_ROUTINE 2;
Constant INFIXTT_CONSTANT 3;
Constant INFIXTT_DWORD 4;
Constant INFIXTT_ACTION 5;
Constant INFIXTT_ATTRIBUTE 6;
Constant INFIXTT_PROPERTY 7;
Constant INFIXTT_GLOBAL 8;
Constant INFIXTT_NAMEDOBJECT 9;
Constant INFIXTT_SYSFUN 10;
Constant INFIXTT_STATICSTRING 11;
Constant INFIXTT_LOGICAL 12;
Global infix_term_type;
Global infix_data1;
Global infix_data2;
Global infix_lvalue;
Global infix_parsed_lvalue;
Array infix_tolowercase -> 256;
#Ifdef VN_1630;
Array infix_text buffer 126;
#Ifnot;
Array infix_text -> 128;
#Endif; ! VN_
[ InfixPrintAttribute x; print (string) #attribute_names_array-->x; ];
[ InfixPrintProperty x; print (property) x; ];
#Ifdef TARGET_GLULX;
[ InfixPrintGIProperty x; print (property) x; ];
#Endif; ! TARGET_
[ InfixPrintGlobal x; print (string) #global_names_array-->x; ];
[ InfixPrintAction x; print (string) #action_names_array-->(x-#lowest_action_number); ];
[ InfixPrintRoutine x; print (string) #routine_names_array-->(x-#lowest_routine_number); ];
[ InfixPrintConstant x; print (string) #constant_names_array-->(x-#lowest_constant_number); ];
[ InfixPrintArray x; print (string) #array_names_array-->(x-#lowest_array_number); ];
[ InfixPrintFakeAction x;
print (string) #fake_action_names_array-->(x-#lowest_fake_action_number); ];
[ InfixPrintPA x n;
for (n=#lowest_routine_number : n<=#highest_routine_number : n++) {
if (x == Symb__Tab(INFIXTT_ROUTINE, n)) {
print (InfixPrintRoutine) n; return;
}
}
print "Routine(", x, ")";
];
[ InfixMatchPrule PrintingRule range1 range2 wa wl t i i2 it2 itlc j k plus;
itlc = infix_tolowercase;
if (itlc->255 == 0) {
for (j=0 : j<256 : j++) itlc->j = j;
itlc->'A' = 'a'; itlc->'B' = 'b';
itlc->'C' = 'c'; itlc->'D' = 'd';
itlc->'E' = 'e'; itlc->'F' = 'f';
itlc->'G' = 'g'; itlc->'H' = 'h';
itlc->'I' = 'i'; itlc->'J' = 'j';
itlc->'K' = 'k'; itlc->'L' = 'l';
itlc->'M' = 'm'; itlc->'N' = 'n';
itlc->'O' = 'o'; itlc->'P' = 'p';
itlc->'Q' = 'q'; itlc->'R' = 'r';
itlc->'S' = 's'; itlc->'T' = 't';
itlc->'U' = 'u'; itlc->'V' = 'v';
itlc->'W' = 'w'; itlc->'X' = 'x';
itlc->'Y' = 'y'; itlc->'Z' = 'z';
}
switch (PrintingRule) {
InfixPrintAttribute:
if (wa->0 == '~') { wl--; wa++; plus = 100; } ! A tilde
t = #attribute_names_array;
InfixPrintProperty: t = #property_names_array;
#Ifdef TARGET_GLULX;
InfixPrintGIProperty: t = #identifiers_table-->2;
#Endif; ! TARGET_
InfixPrintAction: t = #action_names_array;
InfixPrintFakeAction: t = #fake_action_names_array;
InfixPrintGlobal: t = #global_names_array;
InfixPrintRoutine: t = #routine_names_array;
InfixPrintAction: t = #constant_names_array;
InfixPrintArray: t = #array_names_array;
}
i2 = range2-range1; it2 = infix_text+WORDSIZE;
for (i=0 : i<=i2 : i++) {
#ifdef TARGET_ZCODE;
infix_text-->0 = 62; @output_stream 3 infix_text;
if (t) print (string) t-->i; else PrintingRule(i+range1);
@output_stream -3;
#ifnot; ! TARGET_GLULX
if (t) PrintToBuffer(infix_text, 62, t-->i);
else PrintToBuffer(infix_text, 62, PrintingRule, i+range1);
#endif; ! TARGET_
k = infix_text-->0;
if (k ~= wl) jump XL;
if (itlc->(it2->0) ~= itlc->(wa->0)) jump XL;
for (j=1 : j<k : j++)
if (itlc->(it2->j) ~= itlc->(wa->j)) jump XL;
parsed_number = i + range1 + plus;
rtrue;
.XL;
}
rfalse;
];
[ InfixActionToken;
if (InfixMatchPrule(InfixPrintAction, #lowest_action_number,
#highest_action_number, WordAddress(wn), WordLength(wn))) {
wn++; infix_lvalue = parsed_number; return 0;
}
if (InfixMatchPrule(InfixPrintFakeAction, #lowest_fake_action_number,
#highest_fake_action_number, WordAddress(wn), WordLength(wn))) {
wn++; infix_lvalue = parsed_number; return 0;
}
return -1;
];
[ InfixRvalueTerm n w i initial_wn wa wl sign base digit dcount;
initial_wn = wn;
infix_parsed_lvalue = -1;
infix_term_type = INFIXTT_NUMBER;
w = NextWordStopped();
if (w == -1) return -1;
wa = WordAddress(wn-1);
wl = WordLength(wn-1);
if (wa->0 == '-' or '$' or '0' or '1' or '2' or '3'
or '4' or '5' or '6' or '7' or '8' or '9') {
! Parse decimal, hex or binary number
sign = 1; base = 10; dcount = 0;
if (wa->0 == '-') { sign = -1; wl--; wa++; }
else {
if (wa->0 == '$') { base = 16; wl--; wa++; }
if (wa->0 == '$') { base = 2; wl--; wa++; }
}
if (wl == 0) return -1;
n = 0;
while (wl > 0) {
if (wa->0 >= 'a') digit = wa->0 - 'a' + 10;
else digit = wa->0 - '0';
dcount++;
#Ifdef TARGET_ZCODE;
switch (base) {
2:
if (dcount == 17) return -1;
10:
if (dcount == 6) return -1;
if (dcount == 5) {
if (n > 3276) return -1;
if (n == 3276) {
if (sign == 1 && digit > 7) return -1;
if (sign == -1 && digit > 8) return -1;
}
}
16:
if (dcount == 5) return -1;
}
#Ifnot; ! TARGET_GLULX
switch (base) {
2:
if (dcount == 33) return -1;
10:
if (dcount == 11) return -1;
if (dcount == 10) {
if (n > 214748363) return -1;
}
16:
if (dcount == 9) return -1;
}
#Endif; ! TARGET_
if (digit >= 0 && digit < base) n = base*n + digit;
else return -1;
wl--; wa++;
}
parsed_number = n*sign; return 1;
}
! Parse character constant 'a'
if (wl == 3 && wa->0 == ''' && wa->2 == ''') {
parsed_number = wa->1; return 1;
}
! ##Action, 'dword'
switch (w) {
'##':
infix_term_type = INFIXTT_ACTION;
w = NextWordStopped(); if (w == -1) return -1;
wn--;
if (InfixActionToken() == 0) return 1;
return -1;
'^^':
infix_term_type = INFIXTT_DWORD;
w = NextWordStopped(); if (w == -1) return -1;
parsed_number = w; return 1;
}
! Test for attribute, property, class name, variable name, array name, routine
! name, constant name
wn--;
if ((wa->0 >= 'a' && wa->0 <= 'z') ||
(wa->0 >= 'A' && wa->0 <= 'Z') ||
wa->0 == '_') {
infix_term_type = INFIXTT_ATTRIBUTE;
if (InfixMatchPrule(InfixPrintAttribute, #lowest_attribute_number,
#highest_attribute_number, wa, wl)) {
wn++; return 1; }
infix_term_type = INFIXTT_PROPERTY;
#Ifdef TARGET_ZCODE;
if (InfixMatchPrule(InfixPrintProperty, #lowest_property_number,
#highest_property_number, wa, wl)) {
wn++; return 1;
}
#Ifnot; ! TARGET_
if (InfixMatchPrule(InfixPrintProperty, #lowest_property_number,
#identifiers_table-->1 - 1, wa, wl)) {
wn++; return 1;
}
if (InfixMatchPrule(InfixPrintGIProperty, INDIV_PROP_START,
#highest_property_number, wa, wl)) {
wn++; return 1;
}
#Endif; ! TARGET_
infix_term_type = INFIXTT_GLOBAL;
if (InfixMatchPrule(InfixPrintGlobal, #lowest_global_number,
#highest_global_number, wa, wl)) {
infix_parsed_lvalue = parsed_number-16;
parsed_number = #globals_array-->infix_parsed_lvalue;
wn++; return 1;
}
infix_term_type = INFIXTT_ARRAY;
if (InfixMatchPrule(InfixPrintArray, #lowest_array_number,
#highest_array_number, wa, wl)) {
infix_parsed_lvalue = parsed_number;
parsed_number = Symb__Tab(INFIXTT_ARRAY,parsed_number);
infix_data1 = temp__global3;
infix_data2 = temp__global2;
wn++; return 1;
}
infix_term_type = INFIXTT_ROUTINE;
if (InfixMatchPrule(InfixPrintRoutine, #lowest_routine_number,
#highest_routine_number, wa, wl)) {
infix_parsed_lvalue = parsed_number;
parsed_number = Symb__Tab(INFIXTT_ROUTINE,parsed_number);
infix_data1 = temp__global3;
infix_data2 = temp__global2;
wn++; return 1;
}
infix_term_type = INFIXTT_CONSTANT;
if (InfixMatchPrule(InfixPrintConstant, #lowest_constant_number,
#highest_constant_number, wa, wl)) {
infix_parsed_lvalue = parsed_number;
parsed_number = Symb__Tab(INFIXTT_CONSTANT,parsed_number);
infix_data1 = temp__global3;
infix_data2 = temp__global2;
wn++; return 1;
}
switch (w) {
'parent', 'child', 'children',
'random', 'metaclass', 'sibling':
parsed_number = w;
infix_parsed_lvalue = INFIXTT_SYSFUN;
wn++; return 1;
}
}
infix_term_type = INFIXTT_NAMEDOBJECT;
wn = initial_wn; i = ParseToken(SCOPE_TT, InfixBigScope);
if (i == GPR_REPARSE) return i;
if (i > GPR_MULTIPLE) {
print "(", (name) i, " (", i, "))^";
parsed_number = i; return 1;
}
return -1;
]; ! end of InfixRvalueTerm
[ InfixBigScope x;
if (scope_stage == 1) return false; ! No multiples here
if (scope_stage == 2) {
objectloop (x ofclass Object) PlaceInScope(x);
return true; ! That's the whole scope
}
print "; I'm unable to make any sense of that term.^";
];
[ InfixCheckLineSpaced wa wl i force altered;
for (i=1 : i<=NumberWords() : i++) {
wa = WordAddress(i);
wl = WordLength(i);
if (wl > 3 && wa->0 == ''' && wa->(wl-1) == ''') {
wa->(wl-1) = ' ';
if (wa->(wl-2) == '/' && wa->(wl-3) == '/') {
wa->(wl-2) = ' ';
wa->(wl-3) = ' ';
}
LTI_Insert(wa-buffer, ''');
LTI_Insert(wa-buffer + 2, ' ');
altered = true; break;
}
}
for (i=WORDSIZE : i<GetKeyBufLength() + WORDSIZE : i++) {
#Ifdef TARGET_GLULX;
buffer->i = LowerCase(buffer->i);
#Endif; ! TARGET_
force = false;
if (buffer->i == '-' && buffer->(i+1) == '-' && buffer->(i+2) == '>')
force = true;
if (force) {
if (i>WORDSIZE && buffer->(i-1) ~= ' ') {
LTI_Insert(i++, ' '); altered = true;
}
if (buffer->(i+3) ~= ' ') {
LTI_Insert(i+3, ' '); i++; altered = true;
}
i = i + 2; continue;
}
if (buffer->i == ':' && buffer->(i+1) == ':') force = true;
if (buffer->i == '-' && buffer->(i+1) == '>') force = true;
if (buffer->i == '.' && buffer->(i+1) == '&') {
buffer->i = ']'; force = true;
}
if (buffer->i == '.' && buffer->(i+1) == '#') {
buffer->i = ']'; force = true;
}
if (buffer->i == ']' && buffer->(i+1) == '&') force = true;
if (buffer->i == ']' && buffer->(i+1) == '#') force = true;
if (buffer->i == '+' && buffer->(i+1) == '+') force = true;
if (buffer->i == '-' && buffer->(i+1) == '-') force = true;
if (buffer->i == '&' && buffer->(i+1) == '&') force = true;
if (buffer->i == '|' && buffer->(i+1) == '|') force = true;
if (buffer->i == '~' && buffer->(i+1) == '~') force = true;
if (buffer->i == '=' && buffer->(i+1) == '=') force = true;
if (buffer->i == '~' && buffer->(i+1) == '=') force = true;
if (buffer->i == '>' && buffer->(i+1) == '=') force = true;
if (buffer->i == '<' && buffer->(i+1) == '=') force = true;
if (buffer->i == '#' && buffer->(i+1) == '#') force = true;
if (force) {
if (i > WORDSIZE && buffer->(i-1) ~= ' ') {
LTI_Insert(i++, ' '); altered = true;
}
if (buffer->(i+2) ~= ' ') {
LTI_Insert(i+2, ' '); i++; altered = true;
}
i = i + 1; continue;
}
if (buffer->i == '+') force = true;
if (buffer->i == '-') force = true;
if (buffer->i == '*') force = true;
if (buffer->i == '/') force = true;
if (buffer->i == '%') force = true;
if (buffer->i == '(') force = true;
if (buffer->i == ')') force = true;
if (buffer->i == '<' && buffer->(i-1) ~= ';') force = true;
if (buffer->i == '>') force = true;
if (buffer->i == ',') force = true;
if (buffer->i == '.') force = true;
if (buffer->i == '&') force = true;
if (buffer->i == '|') force = true;
if (buffer->i == '~') force = true;
if (buffer->i == '=') force = true;
if (force) {
if (i > WORDSIZE && buffer->(i-1) ~= ' ') {
LTI_Insert(i++, ' '); altered = true;
}
if (buffer->(i+1) ~= ' ') {
LTI_Insert(i+1, ' '); i++; altered = true;
}
}
}
for (i=WORDSIZE : i<GetKeyBufLength() + WORDSIZE : i++)
if (buffer->i == '~') { buffer->i = '['; altered = true; }
return altered;
]; ! end of InfixCheckLineSpaced
Array InfixRV_rvals --> 32;
Array InfixRV_lvals --> 32;
Array InfixRV_op --> 32;
Array InfixRV_lop --> 32;
Array InfixRV_rop --> 32;
Array InfixRV_types --> 32;
Array InfixRV_commas --> 32;
[ InfixInBounds addr index n;
if (addr < #array__start || addr > #array__end)
rtrue;
for (n=#lowest_array_number : n<=#highest_array_number : n++) {
if (addr == Symb__Tab(INFIXTT_ARRAY, n)) {
if (temp__global3 == 1 or 3)
temp__global2=temp__global2*WORDSIZE+WORDSIZE-1;
if (index > temp__global2) {
print "Array index out of range";
rfalse;
}
}
}
rtrue;
];
[ InfixRvalue acc w i n flag base expecting_term max maxi lop rop lvalside
a b sysfun_f;
if (InfixCheckLineSpaced()) return GPR_REPARSE;
! w = wn; for (i=0 : i<10 : i++) { wn = w; InfixRvalueTerm(); print i, "^"; }
! wn = w;
expecting_term = true; base = 0;
do {
w = NextWordStopped();
if (expecting_term) {
switch (w) {
'-//':
InfixRV_rvals-->n = 'unary-'; InfixRV_types-->n = base + 8;
'[//':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 6;
'[[':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 2;
'++':
InfixRV_rvals-->n = 'pre++'; InfixRV_types-->n = base + 9;
'--':
InfixRV_rvals-->n = 'pre--'; InfixRV_types-->n = base + 9;
'(//':
InfixRV_rvals-->n = w; InfixRV_types-->n = -3; base=base+100;
')//':
InfixRV_rvals-->n = w; InfixRV_types-->n = -3; base=base-100;
if (base < 0) { wn--; flag = true; }
-1:
flag = true;
default:
wn--;
if (InfixRValueTerm() == 1) {
InfixRV_rvals-->n = parsed_number;
InfixRV_lvals-->n = infix_parsed_lvalue;
InfixRV_types-->n = -1;
expecting_term = false;
}
else flag = true;
}
}
else {
expecting_term = true;
switch (w) {
comma_word:
InfixRV_rvals-->n = w; InfixRV_types-->n = base;
'=//':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 1;
'&&', '||':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 2;
'==', '[=', '>//', '>=', '<//', '<=', 'has', 'hasnt',
'in', 'notin', 'ofclass', 'provides':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 3;
'or':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 4;
'+//', '-//':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 5;
'*//', '@{2f}//', '%//', '&//', '|//':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 6;
'->', '-->':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 7;
']&', ']#':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 10;
THEN1__WD:
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 12;
'::':
InfixRV_rvals-->n = w; InfixRV_types-->n = base + 13;
'(//':
InfixRV_rvals-->n = '(rcall';
InfixRV_types-->n = base + 11; base = base + 100;
')//':
InfixRV_rvals-->n = w; InfixRV_types-->n = -3;
base = base - 100;
if (base < 0) { wn--; flag = true; }
expecting_term = false;
'++':
InfixRV_rvals-->n = 'post++'; InfixRV_types-->n = base + 9;
expecting_term = false;
'--':
InfixRV_rvals-->n = 'post--'; InfixRV_types-->n = base + 9;
expecting_term = false;
default:
flag = true;
}
}
n++;
} until (flag || n == 32);
if (base > 0) return -1;
n--; if (n == 0) return -1;
wn--;
for (i=0 : i<n : i++) {
acc = 0; if (InfixRV_types-->i ~= -3) acc = InfixRV_rvals-->i;
InfixRV_op-->i = acc;
}
for (::) {
! for (i=0 : i<n : i++) {
! if (InfixRV_types-->i == -1) print InfixRV_rvals-->i, " ";
! else if (InfixRV_types-->i == -3) print " # ";
! else if (InfixRV_types-->i == -2) print " ## ";
! else print (address) InfixRV_rvals-->i, "_", InfixRV_types-->i, " ";
! }
! new_line;
max = -2;
for (i=0 : i<n : i++) if (InfixRV_types-->i > max) {
max = InfixRV_types-->i; maxi = i; }
if (max == -1) { parsed_number = InfixRV_rvals-->maxi; return 1; }
lop = maxi-1; rop = maxi+1;
while (lop >= 0 && InfixRV_types-->lop < -1) lop--;
while (rop < n && InfixRV_types-->rop < -1) rop++;
if (lop >= 0) InfixRV_lop-->maxi = InfixRV_rvals-->lop;
if (rop < n) InfixRV_rop-->maxi = InfixRV_rvals-->rop;
flag = false;
infix_term_type = INFIXTT_NUMBER;
switch (InfixRV_rvals-->maxi) {
comma_word:
acc = (InfixRV_rvals-->rop);
'=//', 'pre++', 'post++', 'pre--', 'post--':
lvalside = lop;
switch (InfixRV_rvals-->maxi) {
'=//': acc = (InfixRV_rvals-->rop);
'pre++': acc = (InfixRV_rvals-->rop) + 1; lvalside = rop;
'pre--': acc = (InfixRV_rvals-->rop) - 1; lvalside = rop;
'post++': acc = (InfixRV_rvals-->lop) + 1;
'post--': acc = (InfixRV_rvals-->lop) - 1;
}
switch (InfixRV_op-->lvalside) {
THEN1__WD:
(InfixRV_lop-->lvalside).(InfixRV_rop-->lvalside) = acc;
'->':
if (InfixInBounds(InfixRV_lop-->lvalside, InfixRV_rop-->lvalside))
(InfixRV_lop-->lvalside)->(InfixRV_rop-->lvalside) = acc;
'-->':
if (InfixInBounds(InfixRV_lop-->lvalside, WORDSIZE * InfixRV_rop-->lvalside))
(InfixRV_lop-->lvalside)-->(InfixRV_rop-->lvalside) = acc;
default:
w = InfixRV_lvals-->lvalside; if (w == -1) return -1;
#ifdef TARGET_ZCODE;
@storew #globals_array w acc;
#ifnot;
@astore #globals_array w acc;
#endif;
}
switch(InfixRV_rvals-->maxi) {
'post++': acc--;
'post--': acc++;
}
'(rcall':
sysfun_f = false;
switch (InfixRV_op-->lop) {
THEN1__WD:
a = InfixRV_lop-->lop; b = InfixRV_rop-->lop;
default:
a = InfixRV_rvals-->lop; b = call;
if (InfixRV_lvals-->lop == INFIXTT_SYSFUN)
sysfun_f = true;
}
w = 0;
i = maxi + 1; base = 100;
if (InfixRV_types-->i == -1 && InfixRV_rvals-->i == ')//') {
if (sysfun_f) return -1;
acc = a.b();
}
else {
while (base > 0) {
if (InfixRV_types-->i == -3 && InfixRV_rvals-->i == ')//') base = base - 100;
if (InfixRV_types-->i == -3 && InfixRV_rvals-->i == '(//') base = base + 100;
if (InfixRV_op-->i == '(rcall') base = base + 100;
if (base == 100 && InfixRV_op-->i == comma_word) {
InfixRV_commas-->(w++) = i;
! print "Comma found at ", i, "^";
}
i++;
}
! print "Num args = ", w + 1, "^";
! for (i=0 : i<w : i++)
! print "arg: ", InfixRV_lop-->(InfixRV_commas-->i), "^";
! print "arg: ", InfixRV_rvals-->rop, "^";
switch (w+1) {
1:
if (sysfun_f) {
b = InfixRV_rvals-->rop;
infix_term_type = INFIXTT_NAMEDOBJECT;
switch(a) {
'metaclass':
acc = metaclass(b);
'parent':
acc = parent(b);
'child':
acc = child(b);
'children':
acc = children(b);
infix_term_type = INFIXTT_NUMBER;
'random':
acc = random(b);
infix_term_type = INFIXTT_NUMBER;
'sibling':
acc = sibling(b);
}
}
else
acc = a.b(InfixRV_rvals-->rop);
2:
if (sysfun_f) return -1;
acc = a.b(InfixRV_lop-->(InfixRV_commas-->0),
InfixRV_rvals-->rop);
3:
if (sysfun_f) return -1;
acc = a.b(InfixRV_lop-->(InfixRV_commas-->0),
InfixRV_lop-->(InfixRV_commas-->1),
InfixRV_rvals-->rop);
4:
if (sysfun_f) return -1;
acc = a.b(InfixRV_lop-->(InfixRV_commas-->0),
InfixRV_lop-->(InfixRV_commas-->1),
InfixRV_lop-->(InfixRV_commas-->2),
InfixRV_rvals-->rop);
5:
if (sysfun_f) return -1;
acc = a.b(InfixRV_lop-->(InfixRV_commas-->0),
InfixRV_lop-->(InfixRV_commas-->1),
InfixRV_lop-->(InfixRV_commas-->2),
InfixRV_lop-->(InfixRV_commas-->3),
InfixRV_rvals-->rop);
default:
return -1;
}
}
'+//': acc = (InfixRV_rvals-->lop) + (InfixRV_rvals-->rop);
'-//': acc = (InfixRV_rvals-->lop) - (InfixRV_rvals-->rop);
'*//': acc = (InfixRV_rvals-->lop) * (InfixRV_rvals-->rop);
'@{2f}//': acc = (InfixRV_rvals-->lop) / (InfixRV_rvals-->rop);
'%//': acc = (InfixRV_rvals-->lop) % (InfixRV_rvals-->rop);
THEN1__WD: acc = (InfixRV_rvals-->lop) . (InfixRV_rvals-->rop);
'->': acc = (InfixRV_rvals-->lop) -> (InfixRV_rvals-->rop);
'-->': acc = (InfixRV_rvals-->lop) --> (InfixRV_rvals-->rop);
']&': acc = (InfixRV_rvals-->lop) .& (InfixRV_rvals-->rop);
']#': acc = (InfixRV_rvals-->lop) .# (InfixRV_rvals-->rop);
'::': acc = (InfixRV_rvals-->lop) :: (InfixRV_rvals-->rop);
'&//': acc = (InfixRV_rvals-->lop) & (InfixRV_rvals-->rop);
'|//': acc = (InfixRV_rvals-->lop) | (InfixRV_rvals-->rop);
'&&': acc = (InfixRV_rvals-->lop) && (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'||': acc = (InfixRV_rvals-->lop) || (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'<//': acc = (InfixRV_rvals-->lop) < (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'<=': acc = (InfixRV_rvals-->lop) <= (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'>//': acc = (InfixRV_rvals-->lop) > (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'>=': acc = (InfixRV_rvals-->lop) >= (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'==': acc = (InfixRV_rvals-->lop) == (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'[=': acc = (InfixRV_rvals-->lop) ~= (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'has': acc = (InfixRV_rvals-->lop) has (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'hasnt': acc = (InfixRV_rvals-->lop) hasnt (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'in': acc = (InfixRV_rvals-->lop) in (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'notin': acc = (InfixRV_rvals-->lop) notin (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'provides': acc = (InfixRV_rvals-->lop) provides (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'ofclass': acc = (InfixRV_rvals-->lop) ofclass (InfixRV_rvals-->rop);
infix_term_type = INFIXTT_LOGICAL;
'[[': acc = ~~ (InfixRV_rvals-->rop); flag = true;
'[//': acc = ~ (InfixRV_rvals-->rop); flag = true;
'unary-': acc = - (InfixRV_rvals-->rop); flag = true;
} ! end of switch(InfixRV_rvals-->maxi)
InfixRV_rvals-->maxi = acc;
InfixRV_types-->maxi = -1;
if (rop < n) InfixRV_types-->rop = -2;
if (flag == false && lop >= 0) InfixRV_types-->lop = -2;
} ! end of for (::)
]; ! end of InfixRvalue
! ------------------------------------------------------------------------
[ InfixWelcomeSub;
print "; Welcome to the ~Infix~ debugger (1/040828), which makes the
following verbs available:^^
~; <expression>~: evaluates this Inform expression: e.g.
~; location~ will print the value of the variable ~location~,
~; 3*5+1~ will print 16, ~; children(old cloth bag)~ will tell you
how many items are in it. (You can name objects either by their
names inside the source code, such as ~d_obj~, or by typing the
names by which the game's parser would normally know them, such
as ~floor~: the effect is the same.)^
Any expression is allowed except that you can't use double-quoted
strings of text: but you can send messages, call routines or
assign values to variables, properties and array entries.
^ ~; score++~ is one way to get on in the world.
^ ~; deadflag = true~ is one way to get out of it.
^ ~; StopDaemon(nasty little dwarf)~ will keep you from being pestered.^
Conditions like ~; score>20~ are also allowed and print
either 1 (if true) or 0 (if false).^^";
print "~;examine <something>~ or ~;x <something>~ gives full details
of whatever it is. For instance, ~;x ##Take~ describes the Take
action; ~;x Class~ the class Class; ~;x 'drop'~ the dictionary
word ~drop~ and so on for numbers, routines, arrays and of course
objects. ~;xo~ examines something as an object, so for instance
~;x location~ tells you about the variable ~location~, but ~;xo
location~ tells you what object it refers to.^^";
print "~;give~, ~;remove~ and ~;move~ work like the corresponding
Inform statements.^^";
print "~;<~ causes an action: for instance, ~;< Eat cheese~.^^";
print "~;watch~ or ~;w~ can set a watch on various activities:
type just ~;w~ for details.^^";
print "~;inventory~ or ~;i~ describes the contents of this story file.^";
];
[ InfixEvalSub; InfixExamineP(true); ];
[ InfixActionSub;
print "; <", (InfixPrintAction) infix_lvalue;
if (noun) print " (", (the) noun, ")";
if (second) print " (", (the) second, ")";
print ">^";
if (second) <<(infix_lvalue) noun second>>;
if (noun) <<(infix_lvalue) noun>>;
<<(infix_lvalue)>>;
];
[ InfixGiveSub f t;
print "; give (", (the) noun, ") ";
if (second < 0) { second = ~second; f=true; }
#Ifdef VN_1630;
t = NUM_ATTR_BYTES * 8;
#Ifnot;
t = 48;
#Endif; ! VN_
if (second < 0 || second >= t) "<No such attribute>";
if (f) print "@@126";
print (DebugAttribute) second;
#Ifdef TARGET_ZCODE;
if (f) @clear_attr noun second;
else @set_attr noun second;
#Ifnot; ! TARGET_GLULX
t = second + 8;
if (f) @astorebit noun t 0; ! give noun ~second;
else @astorebit noun t 1; ! give noun second;
#Endif; ! TARGET_
if (t); ! quell unused n variable warning
];
[ InfixMoveSub;
print "; move (", (the) noun, ") to (", (the) second, ")";
move noun to second;
];
[ InfixRemoveSub;
print "; remove (", (the) noun, ")";
remove noun;
];
[ InfixHex x y;
#Ifdef TARGET_ZCODE;
y = (x & $7f00) / $100;
if (x < 0) y = y + $80;
#Ifnot; ! TARGET_GLULX
y = (x & $7f000000) / $1000000;
if (x < 0) y = y + $80;
print (Infixhexdigit) y/$10, (Infixhexdigit) y;
y = x & $ff0000 / $10000;
print (Infixhexdigit) y/$10, (Infixhexdigit) y;
y = (x & $ff00) / $100;
#Endif; ! TARGET_
x = x & $ff;
print (Infixhexdigit) y/$10, (Infixhexdigit) y, (Infixhexdigit) x/$10, (Infixhexdigit) x;
];
[ Infixhexdigit x; x = x % $10; if (x < 10) print x; else print (char) 'a'+x-10; ];
[ InfixExamineOSub;
infix_data1 = metaclass(noun);
#Ifdef TARGET_GLULX; ! different coding for Glulx
if (infix_data1 == Object) infix_data1 = 2;
if (infix_data1 == Class) infix_data1 = 1;
#Endif; ! TARGET_
infix_term_type = INFIXTT_CONSTANT;
InfixExamineP(false);
];
[ InfixExamineSSub;
infix_term_type = INFIXTT_STATICSTRING;
InfixExamineP(false);
];
[ InfixExamineSub; InfixExamineP(false); ];
[ InfixExamineP brief x a b w flag lines;
switch (infix_term_type) {
INFIXTT_NUMBER:
if (brief) "; == ", noun;
print "; The number ", noun, " == $", (InfixHex) noun;
if (noun >= 32 && noun < 127) print " == '", (char) noun, "'";
new_line;
INFIXTT_NAMEDOBJECT:
print "~", (name) noun, "~ (", noun, ")^"; if (brief) return;
<<Showobj noun>>;
INFIXTT_CONSTANT:
if (brief) "; == ", noun;
switch (infix_data1 & 15) {
nothing:
print "; Constant ", (InfixPrintConstant) infix_parsed_lvalue,
" == ", noun, "^";
2: <<Showobj noun>>;
1:
print "Class ", (name) noun, "^";
objectloop (a ofclass noun) {
if (flag) print ", "; else print "Contains: ";
print (name) a, " (", a, ")"; flag=true;
}
if (flag == false) "No object is of this class";
}
new_line;
INFIXTT_ATTRIBUTE:
if (brief) "; == ", noun;
if (noun >= 48 || noun < 0) "; No such attribute";
print "; Attribute ", (InfixPrintAttribute) noun,
" (numbered ", noun, ")^";
objectloop (x has noun) {
if (flag) print ", ";
else print "Each of these ~has ", (InfixPrintAttribute) noun, "~: ";
print (name) x, " (", x, ")"; flag = true;
}
if (flag == false) "No object ~has ", (InfixPrintAttribute) noun, "~";
new_line;
INFIXTT_PROPERTY:
if (brief) "; == ", noun;
print "; Property ", (property) noun, " (numbered ", noun, ")^";
objectloop (x provides noun) {
if (flag) print ", "; else print "Provided by: ";
print (name) x, " (", x, ")"; flag = true;
}
if (flag == false) "Which is not provided by any object";
new_line;
INFIXTT_DWORD:
if (brief) "; == ", noun;
if (noun == 0) "; This word is not in the dictionary";
a = noun->#dict_par1;
print "; Dictionary word '", (address) noun;
if (a & 4) print "//p";
print "' (address ", noun, ")";
if (a) {
print ": ";
if (a & 2) print "meta ";
if (a & 1) print "verb ";
if (a & 8) print "preposition ";
if (a & 4) print "pluralising ";
if (a & 128) print "noun ";
}
new_line;
if (a & 1) <<Showverb noun>>;
INFIXTT_ROUTINE:
if (brief) "; == ", noun;
print "; Routine ", (InfixPrintRoutine) infix_parsed_lvalue, " (number ",
infix_parsed_lvalue, ", packed address ", noun, ")^";
INFIXTT_GLOBAL:
if (brief) "; == ", noun;
print "; Global ", (InfixPrintGlobal) infix_parsed_lvalue, " == ", noun, "^";
INFIXTT_ARRAY:
if (brief) "; == ", noun;
print "; Array ", (InfixPrintArray) infix_parsed_lvalue, " ";
infix_data1 = infix_data1 % 16;
switch (infix_data1) {
0: print "->"; a=0;
1: print "-->"; a=0;
2: print "string"; a=1;
3: print "table"; a=1;
4: print "buffer"; a=WORDSIZE;
}
print " ", infix_data2 + 1 - a, "^; == "; b = infix_data2;
for (w=b : w>=a : w--)
if (infix_data1 == 0 or 2 or 4) { if (noun->w) break; }
else { if (noun-->w) break; }
if (b-w < 5) w=b;
for (: x<=w : x++) {
if (infix_data1 == 0 or 2 or 4) print noun->x, " ";
else print noun-->x, " ";
if (x+1 == a) print ": ";
}
if (w < b) print "(then ", b-w, " zero entries)";
new_line;
INFIXTT_ACTION:
if (brief) "; == ", noun;
if (noun >= #lowest_fake_action_number && noun <= #highest_fake_action_number)
"; Fake action ", (InfixPrintFakeAction) noun,
" (numbered ", noun, ")^Is not generated by any grammar";
print "; Action ", (InfixPrintAction) noun,
" (numbered ", noun, ")^";
#Ifdef TARGET_ZCODE;
w = HDR_DICTIONARY-->0;
for (b=0 : b<(HDR_DICTIONARY-->0 + 5)-->0 : b++) {
w = HDR_DICTIONARY-->0 + 7 + b*9;
if ((w->#dict_par1) & 1) {
a = (HDR_STATICMEMORY-->0)-->($ff-(w->#dict_par2));
lines = a->0; a++;
for (: lines>0 : lines--) {
a = UnpackGrammarLine(a);
if (action_to_be == noun) {
print "'", (address) w, "' "; DebugGrammarLine();
new_line;
flag = true;
}
}
}
}
#Ifnot; ! TARGET_GLULX
for (b=0 : b < #dictionary_table-->0 : b++) {
w = #dictionary_table + WORDSIZE + b*(DICT_WORD_SIZE + 7);
if ((w->#dict_par1) & 1) {
a = (#grammar_table)-->($100-(w->#dict_par2));
lines = a->0; a++;
for (: lines>0 : lines--) {
a = UnpackGrammarLine(a);
if (action_to_be == noun) {
print "'", (address) w, "' "; DebugGrammarLine();
new_line;
flag = true;
}
}
}
}
#Endif; ! TARGET_
if (flag == 0) "Is not generated by any grammar";
INFIXTT_SYSFUN:
if (brief) "; == ", noun;
"; System function ~", (address) infix_parsed_lvalue, "~ has
not been overridden by any routine and so has its standard definition.";
INFIXTT_STATICSTRING:
if (brief) "; == ", noun;
if (metaclass(noun) ~= String) "; ", noun, " is not a string.";
print "~", (string) noun, "~^";
INFIXTT_LOGICAL:
if (noun == true) "; true"; if (noun == false) "; false";
"; ", noun;
}
]; ! end of InfixExamineP
[ InfixDescribeWatchSub x y z s flag aflag;
print "; The Infix ~;watch~ verb allows you to set a watch on any named