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authorKartik Agaram <vc@akkartik.com>2019-08-31 23:56:24 -0700
committerKartik Agaram <vc@akkartik.com>2019-08-31 23:58:19 -0700
commit075354cd175fdf0c778fdf09b0d26fae5c8e959a (patch)
tree0e4b71e8ebc1d9e772a54eb08b828b042921b871 /apps
parent282681c729857026e3713d45e9027fdfccda0880 (diff)
downloadmu-075354cd175fdf0c778fdf09b0d26fae5c8e959a.tar.gz
5601
Diffstat (limited to 'apps')
-rw-r--r--apps/sigils.subx136
1 files changed, 68 insertions, 68 deletions
diff --git a/apps/sigils.subx b/apps/sigils.subx
index 53452f1e..94bc643d 100644
--- a/apps/sigils.subx
+++ b/apps/sigils.subx
@@ -1272,19 +1272,19 @@ test-convert-register-indirect-mode-with-sib-byte-negative-displacement:
     5d/pop-to-ebp
     c3/return
 
-# BEWARE: modifies 'word'
-emit-direct-mode:  # word : (address slice), out : (address buffered-file)
+# BEWARE: modifies 'word-slice'
+emit-direct-mode:  # word-slice : (address slice), out : (address buffered-file)
     # . prolog
     55/push-ebp
     89/copy                         3/mod/direct    5/rm32/ebp    .           .             .           4/r32/esp   .               .                 # copy esp to ebp
     # . save registers
     50/push-eax
-    # ++word->start
-    # . eax = word
+    # ++word-slice->start
+    # . eax = word-slice
     8b/copy                         1/mod/*+disp8   5/rm32/ebp    .           .             .           0/r32/eax   8/disp8         .                 # copy *(ebp+8) to eax
     # . ++(*eax)
     ff          0/subop/increment   0/mod/indirect  0/rm32/eax    .           .             .           .           .               .                 # increment *eax
-    # word = next-token-from-slice(word->start, word->end, "/")
+    # word-slice = next-token-from-slice(word-slice->start, word-slice->end, "/")
     # . . push args
     50/push-eax
     68/push  0x2f/imm32/slash
@@ -1294,7 +1294,7 @@ emit-direct-mode:  # word : (address slice), out : (address buffered-file)
     e8/call  next-token-from-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0x10/imm32        # add to esp
-    # reg-num/eax = get-slice(Registers, word, row-size=8)
+    # reg-num/eax = get-slice(Registers, word-slice, row-size=8)
     # . . push args
     68/push  "Registers"/imm32
     68/push  8/imm32/row-size
@@ -2105,52 +2105,52 @@ test-next-word-or-expression-returns-whole-expression:
 #   *(reg1+reg2<<s+disp)    -> 2/mod 4/rm32 reg1/base reg2/index s/scale disp/disp32
 # Intermediate structure: base, index, scale, disp
 # Default values: base: 0, index: 4 (none), scale: 0, disp: 0
-# BEWARE: modifies 'word'
-parse-effective-address:  # word : (address slice) -> base/eax, index/ecx, scale/edx, disp/ebx
+# BEWARE: modifies 'word-slice'
+parse-effective-address:  # word-slice : (address slice) -> base/eax, index/ecx, scale/edx, disp/ebx
     # pseudocode:
-    #   ++word->start to skip '*'
+    #   ++word-slice->start to skip '*'
     #   initialize defaults: base=0, index=4, scale=0, disp=0
-    #   if (*word->start != '(') {
-    #     word = next-token-from-slice(word->start, word->end, "/")
-    #     base = get-slice(Registers, word, row-size=8)
+    #   if (*word-slice->start != '(') {
+    #     word-slice = next-token-from-slice(word-slice->start, word-slice->end, "/")
+    #     base = get-slice(Registers, word-slice, row-size=8)
     #     return
     #   }
     #   # compound expressions
     #   skip whitespace
     #   read register into base
     #   skip whitespace
-    #   if (*word->start == ')') goto end
-    #   if (*word->start == '-') goto displacement
-    #   if (*word->start != '+') goto error1
-    #   ++word->start to skip '+'
+    #   if (*word-slice->start == ')') goto end
+    #   if (*word-slice->start == '-') goto displacement
+    #   if (*word-slice->start != '+') goto error1
+    #   ++word-slice->start to skip '+'
     #   skip whitespace
     #   if next 3 characters don't make a register, goto displacement
     #   read register into index
     #   skip whitespace
-    #   if (*word->start == ')') goto end
-    #   if (*word->start == '<') {
-    #     ++word->start to skip '<'
-    #     if (*word->start != '<') goto error2
-    #     ++word->start to skip '<'
+    #   if (*word-slice->start == ')') goto end
+    #   if (*word-slice->start == '<') {
+    #     ++word-slice->start to skip '<'
+    #     if (*word-slice->start != '<') goto error2
+    #     ++word-slice->start to skip '<'
     #     skip whitespace
     #     read integer into scale
     #     skip whitespace
-    #     if (*word->start == ')') goto end
+    #     if (*word-slice->start == ')') goto end
     #   }
-    #   if (*word->start not in '+' '-') goto error3
+    #   if (*word-slice->start not in '+' '-') goto error3
     # displacement:
     #   read integer into disp
     #   skip whitespace
-    #   if (*word->start != ')') goto error4
+    #   if (*word-slice->start != ')') goto error4
     # . prolog
     55/push-ebp
     89/copy                         3/mod/direct    5/rm32/ebp    .           .             .           4/r32/esp   .               .                 # copy esp to ebp
     # . save registers
     56/push-esi
     57/push-edi
-    # esi = word
+    # esi = word-slice
     8b/copy                         1/mod/*+disp8   5/rm32/ebp    .           .             .           6/r32/esi   8/disp8         .                 # copy *(ebp+8) to esi
-    # ++word->start to skip '*'
+    # ++word-slice->start to skip '*'
     ff          0/subop/increment   0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # increment *esi
     # initialize defaults
     # base is in edi; we'll move it to eax just before we return
@@ -2159,14 +2159,14 @@ parse-effective-address:  # word : (address slice) -> base/eax, index/ecx, scale
     ba/copy-to-edx  0/imm32/.scale
     bb/copy-to-ebx  0/imm32/disp
 $parse-effective-address:check-for-simple-register:
-    # if (*word->start == '(') goto compound expression
+    # if (*word-slice->start == '(') goto compound expression
     8b/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy *esi to eax
     8a/copy-byte                    0/mod/indirect  0/rm32/eax    .           .             .           0/r32/AL    .               .                 # copy byte at *eax to AL
     81          4/subop/and         3/mod/direct    0/rm32/eax    .           .             .           .           .               0xff/imm32        # bitwise and of eax
     3d/compare-eax-and  0x28/imm32/open-paren
     74/jump-if-equal  $parse-effective-address:compound-expression/disp8
 $parse-effective-address:simple-register:
-    # word = next-token-from-slice(word->start, word->end, "/")
+    # word-slice = next-token-from-slice(word-slice->start, word-slice->end, "/")
     # . . push args
     56/push-esi
     68/push  0x2f/imm32/slash
@@ -2176,8 +2176,8 @@ $parse-effective-address:simple-register:
     e8/call  next-token-from-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               0x10/imm32        # add to esp
-    # base = get-slice(Registers, word, row-size=8)
-    # . eax = get-slice(Registers, word, row-size=8)
+    # base = get-slice(Registers, word-slice, row-size=8)
+    # . eax = get-slice(Registers, word-slice, row-size=8)
     # . . push args
     68/push  "Registers"/imm32
     68/push  8/imm32/row-size
@@ -2192,10 +2192,10 @@ $parse-effective-address:simple-register:
     # return
     e9/jump  $parse-effective-address:end/disp32
 $parse-effective-address:compound-expression:
-    # ++word->start to skip '('
+    # ++word-slice->start to skip '('
     ff          0/subop/increment   0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # increment *esi
     # skip whitespace
-    # . eax = skip-chars-matching-whitespace-in-slice(word->start, word->end)
+    # . eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           4/disp8         .                 # push *(esi+4)
     ff          6/subop/push        0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # push *esi
@@ -2203,10 +2203,10 @@ $parse-effective-address:compound-expression:
     e8/call  skip-chars-matching-whitespace-in-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
-    # . word->start = eax
+    # . word-slice->start = eax
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy eax to *esi
     # read register into base
-    # . eax = next-register(word)
+    # . eax = next-register(word-slice)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
     # . . call
@@ -2216,7 +2216,7 @@ $parse-effective-address:compound-expression:
     # . edi = *eax
     8b/copy                         0/mod/indirect  0/rm32/eax    .           .             .           7/r32/edi   .               .                 # copy *eax to edi
     # skip whitespace
-    # . eax = skip-chars-matching-whitespace-in-slice(word->start, word->end)
+    # . eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           4/disp8         .                 # push *(esi+4)
     ff          6/subop/push        0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # push *esi
@@ -2224,24 +2224,24 @@ $parse-effective-address:compound-expression:
     e8/call  skip-chars-matching-whitespace-in-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
-    # . word->start = eax
+    # . word-slice->start = eax
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy eax to *esi
-    # if (*word->start == ')') goto end
+    # if (*word-slice->start == ')') goto end
     8a/copy-byte                    0/mod/indirect  0/rm32/eax    .           .             .           0/r32/AL    .               .                 # copy byte at *eax to AL
     81          4/subop/and         3/mod/direct    0/rm32/eax    .           .             .           .           .               0xff/imm32        # bitwise and of eax
     3d/compare-eax-and  0x29/imm32/close-paren
     0f 84/jump-if-equal  $parse-effective-address:end/disp32
-    # if (*word->start == '-') goto displacement
+    # if (*word-slice->start == '-') goto displacement
     3d/compare-eax-and  0x2d/imm32/minus
     0f 84/jump-if-equal  $parse-effective-address:displacement/disp32
-    # if (*word->start != '+') goto error1
+    # if (*word-slice->start != '+') goto error1
     3d/compare-eax-and  0x2b/imm32/plus
     0f 85/jump-if-not-equal  $parse-effective-address:error1/disp32
 $parse-effective-address:check-for-index:
-    # ++word->start to skip '+'
+    # ++word-slice->start to skip '+'
     ff          0/subop/increment   0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # increment *esi
     # skip whitespace
-    # . eax = skip-chars-matching-whitespace-in-slice(word->start, word->end)
+    # . eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           4/disp8         .                 # push *(esi+4)
     ff          6/subop/push        0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # push *esi
@@ -2249,16 +2249,16 @@ $parse-effective-address:check-for-index:
     e8/call  skip-chars-matching-whitespace-in-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
-    # . word->start = eax
+    # . word-slice->start = eax
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy eax to *esi
 $parse-effective-address:resolve-ambiguity:
     # if next 3 characters don't make a register, goto displacement
     # . spill ecx
     51/push-ecx
-    # . var tmp/ecx = {word->start, word->start+3}
-    # . . ecx = word->start
+    # . var tmp/ecx = {word-slice->start, word-slice->start+3}
+    # . . ecx = word-slice->start
     89/copy                         3/mod/direct    1/rm32/ecx    .           .             .           0/r32/eax   .               .                 # copy eax to ecx
-    # . . eax = word->start+3
+    # . . eax = word-slice->start+3
     05/add-to-eax  3/imm32
     # . . push
     50/push-eax
@@ -2283,7 +2283,7 @@ $parse-effective-address:resolve-ambiguity:
     0f 84/jump-if-equal  $parse-effective-address:displacement/disp32
 $parse-effective-address:index:
     # read register into index
-    # . eax = next-register(word)
+    # . eax = next-register(word-slice)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
     # . . call
@@ -2293,7 +2293,7 @@ $parse-effective-address:index:
     # . ecx = *eax
     8b/copy                         0/mod/indirect  0/rm32/eax    .           .             .           1/r32/ecx   .               .                 # copy *eax to ecx
     # skip whitespace
-    # . eax = skip-chars-matching-whitespace-in-slice(word->start, word->end)
+    # . eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           4/disp8         .                 # push *(esi+4)
     ff          6/subop/push        0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # push *esi
@@ -2301,29 +2301,29 @@ $parse-effective-address:index:
     e8/call  skip-chars-matching-whitespace-in-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
-    # . word->start = eax
+    # . word-slice->start = eax
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy eax to *esi
-    # if (*word->start == ')') goto end
+    # if (*word-slice->start == ')') goto end
     8a/copy-byte                    0/mod/indirect  0/rm32/eax    .           .             .           0/r32/AL    .               .                 # copy byte at *eax to AL
     81          4/subop/and         3/mod/direct    0/rm32/eax    .           .             .           .           .               0xff/imm32        # bitwise and of eax
     3d/compare-eax-and  0x29/imm32/close-paren
     0f 84/jump-if-equal  $parse-effective-address:end/disp32
 $parse-effective-address:check-for-scale:
-    # if (*word->start != '<') goto next check
+    # if (*word-slice->start != '<') goto next check
     3d/compare-eax-and  0x3c/imm32/less-than
     75/jump-if-not-equal  $parse-effective-address:check-for-displacement/disp8
-    # ++word->start to skip '<'
+    # ++word-slice->start to skip '<'
     ff          0/subop/increment   0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # increment *esi
-    # if (*word->start != '<') goto error2
+    # if (*word-slice->start != '<') goto error2
     8b/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy *esi to eax
     8a/copy-byte                    0/mod/indirect  0/rm32/eax    .           .             .           0/r32/AL    .               .                 # copy byte at *eax to AL
     81          4/subop/and         3/mod/direct    0/rm32/eax    .           .             .           .           .               0xff/imm32        # bitwise and of eax
     3d/compare-eax-and  0x3c/imm32/less-than
     0f 85/jump-if-not-equal  $parse-effective-address:error2/disp32
-    # ++word->start to skip '<'
+    # ++word-slice->start to skip '<'
     ff          0/subop/increment   0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # increment *esi
     # skip whitespace
-    # . eax = skip-chars-matching-whitespace-in-slice(word->start, word->end)
+    # . eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           4/disp8         .                 # push *(esi+4)
     ff          6/subop/push        0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # push *esi
@@ -2331,11 +2331,11 @@ $parse-effective-address:check-for-scale:
     e8/call  skip-chars-matching-whitespace-in-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
-    # . word->start = eax
+    # . word-slice->start = eax
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy eax to *esi
 $parse-effective-address:scale:
     # read positive integer into scale
-    # . eax = next-positive-hex-int(word)
+    # . eax = next-positive-hex-int(word-slice)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
     # . . call
@@ -2345,7 +2345,7 @@ $parse-effective-address:scale:
     # . edx = eax
     89/copy                         3/mod/direct    2/rm32/edx    .           .             .           0/r32/eax   .               .                 # copy eax to edx
     # skip whitespace
-    # . eax = skip-chars-matching-whitespace-in-slice(word->start, word->end)
+    # . eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           4/disp8         .                 # push *(esi+4)
     ff          6/subop/push        0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # push *esi
@@ -2353,15 +2353,15 @@ $parse-effective-address:scale:
     e8/call  skip-chars-matching-whitespace-in-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
-    # . word->start = eax
+    # . word-slice->start = eax
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy eax to *esi
-    # if (*word->start == ')') goto end
+    # if (*word-slice->start == ')') goto end
     8a/copy-byte                    0/mod/indirect  0/rm32/eax    .           .             .           0/r32/AL    .               .                 # copy byte at *eax to AL
     81          4/subop/and         3/mod/direct    0/rm32/eax    .           .             .           .           .               0xff/imm32        # bitwise and of eax
     3d/compare-eax-and  0x29/imm32/close-paren
     74/jump-if-equal  $parse-effective-address:end/disp8
 $parse-effective-address:check-for-displacement:
-    # if (*word->start not in '+' '-') goto error3
+    # if (*word-slice->start not in '+' '-') goto error3
     3d/compare-eax-and  0x2b/imm32/plus
     74/jump-if-equal  $parse-effective-address:displacement/disp8
     3d/compare-eax-and  0x2d/imm32/minus
@@ -2369,7 +2369,7 @@ $parse-effective-address:check-for-displacement:
     e9/jump  $parse-effective-address:error3/disp32
 $parse-effective-address:displacement:
     # read integer into disp
-    # . eax = next-hex-int(word)
+    # . eax = next-hex-int(word-slice)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp    .           .             .           .           8/disp8         .                 # push *(ebp+8)
     # . . call
@@ -2379,7 +2379,7 @@ $parse-effective-address:displacement:
     # . ebx = eax
     89/copy                         3/mod/direct    3/rm32/ebx    .           .             .           0/r32/eax   .               .                 # copy eax to ebx
     # skip whitespace
-    # . eax = skip-chars-matching-whitespace-in-slice(word->start, word->end)
+    # . eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
     # . . push args
     ff          6/subop/push        1/mod/*+disp8   6/rm32/esi    .           .             .           .           4/disp8         .                 # push *(esi+4)
     ff          6/subop/push        0/mod/indirect  6/rm32/esi    .           .             .           .           .               .                 # push *esi
@@ -2387,9 +2387,9 @@ $parse-effective-address:displacement:
     e8/call  skip-chars-matching-whitespace-in-slice/disp32
     # . . discard args
     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp
-    # . word->start = eax
+    # . word-slice->start = eax
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           0/r32/eax   .               .                 # copy eax to *esi
-    # if (*word->start != ')') goto error4
+    # if (*word-slice->start != ')') goto error4
     8a/copy-byte                    0/mod/indirect  0/rm32/eax    .           .             .           0/r32/AL    .               .                 # copy byte at *eax to AL
     81          4/subop/and         3/mod/direct    0/rm32/eax    .           .             .           .           .               0xff/imm32        # bitwise and of eax
     3d/compare-eax-and  0x29/imm32/close-paren
@@ -2580,7 +2580,7 @@ next-register:  # in : (address slice) -> reg/eax : int
     89/copy                         3/mod/direct    1/rm32/ecx    .           .             .           4/r32/esp   .               .                 # copy esp to ecx
     # in->start += 3
     81          0/subop/add         0/mod/indirect  6/rm32/esi    .           .             .           .           .               3/imm32           # add to *esi
-    # eax = get-slice(Registers, word, row-size=8)
+    # eax = get-slice(Registers, reg-slice, row-size=8)
     # . . push args
     68/push  "next-register"/imm32
     68/push  8/imm32/row-size
@@ -4138,7 +4138,7 @@ $next-hex-int:need-to-negate:
 $next-hex-int:skip-whitespace:
     # spill eax
     50/push-eax
-    # eax = skip-chars-matching-whitespace-in-slice(word->start, word->end)
+    # eax = skip-chars-matching-whitespace-in-slice(word-slice->start, word-slice->end)
     # . . push args
     52/push-edx
     51/push-ecx
@@ -4204,7 +4204,7 @@ $next-hex-int:break:
 $next-hex-int:negate:
     f7          3/subop/negate      3/mod/direct    7/rm32/edi    .           .             .           .           .               .                 # negate edi
 $next-hex-int:end:
-    # word->start = curr
+    # word-slice->start = curr
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           1/r32/ecx   .               .                 # copy ecx to *esi
     # return edi
     89/copy                         3/mod/direct    0/rm32/eax    .           .             .           7/r32/edi   .               .                 # copy edi to eax
@@ -4583,7 +4583,7 @@ $next-positive-hex-int:loop:
     # loop
     eb/jump  $next-positive-hex-int:loop/disp8
 $next-positive-hex-int:end:
-    # word->start = curr
+    # word-slice->start = curr
     89/copy                         0/mod/indirect  6/rm32/esi    .           .             .           1/r32/ecx   .               .                 # copy ecx to *esi
     # return edi
     89/copy                         3/mod/direct    0/rm32/eax    .           .             .           7/r32/edi   .               .                 # copy edi to eax