質問編集履歴
2
誤字の修正
title
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File without changes
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body
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@@ -30,8 +30,6 @@
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30
30
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digit [0-9]
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31
31
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white [\n\t ]
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32
32
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%%
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33
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-
dowhile { return DOWHILE; }
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34
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-
while { return WHILE; }
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35
33
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if { return IF; }
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36
34
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read { return READ; }
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37
35
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print { return PRINT; }
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@@ -58,8 +56,6 @@
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58
56
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stat : var '=' expr ';' { $$ = node(T_ASSIGN, $1, $3); }
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59
57
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| READ var ';' { $$ = node(T_READ, $2, 0); }
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60
58
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|PRINT expr ';' { $$ = node(T_PRINT, $2, 0); }
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61
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-
|WHILE '(' log ')' stat { $$ = node(T_WHILE, $3, $5); }
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62
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-
|DOWHILE '(' log ')' stat { $$ = node(T_DOWHILE, $3, $5); }
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63
59
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|IF '(' log ')' stat { $$ = node(T_IF, $3, $5); }
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64
60
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| '{' stlist '}' { $$ = $2; }
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65
61
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;
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@@ -114,11 +110,9 @@
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114
110
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#define T_REM 9
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115
111
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#define T_NUM 10
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116
112
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#define T_VAR 11
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117
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-
#define T_WHILE 12
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118
113
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#define T_IF 13
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119
114
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#define T_LT 14
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120
115
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#define T_GT 15
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121
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-
#define T_DOWHILE 16
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122
116
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#define T_AND 17 /*ANDを追加*/
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123
117
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124
118
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int lookup(char*);
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@@ -282,24 +276,9 @@
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282
276
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emittree(ntab[i].right);
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283
277
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printf(".L%d:\n", l);
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284
278
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break;
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285
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-
case T_WHILE: l = labelno; labelno+=2;
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286
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-
printf(".L%d:\n", l);
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287
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-
emittree(ntab[i].left);
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288
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-
printf(".L%d\n", l+1);
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289
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-
emittree(ntab[i].right);
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290
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-
printf(" jmp .L%d\n", l);
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291
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-
printf(".L%d:\n", l+1);
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292
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-
break;
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293
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-
case T_DOWHILE:l = labelno; labelno+=2;
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294
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-
printf(".L%d:\n", l);
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295
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-
emittree(ntab[i].right);
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296
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-
emittree(ntab[i].left);
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297
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-
printf(".L%d\n", l+1);
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298
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-
printf(" jmp .L%d\n", l);
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299
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-
printf(".L%d:\n", l+1);
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300
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-
break;
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301
279
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302
280
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281
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+
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303
282
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default: printf("NotImplemented: %d\n", ntab[i].type);
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304
283
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break;
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305
284
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1
タグの追加
title
CHANGED
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@@ -1,1 +1,1 @@
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1
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-
自作コンパイラの論理積の実現
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1
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+
自作コンパイラの論理積の実現で構文エラーが出る
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body
CHANGED
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File without changes
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