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-rw-r--r--src/tpc.y137
1 files changed, 37 insertions, 100 deletions
diff --git a/src/tpc.y b/src/tpc.y
index 14f3488..12ff20d 100644
--- a/src/tpc.y
+++ b/src/tpc.y
@@ -49,8 +49,8 @@ static int num_if = 0;
49%precedence ELSE 49%precedence ELSE
50 50
51%% 51%%
52Prog: { prologue(); } 52Prog: { gen_prologue(); }
53 DeclConsts DeclVars DeclFoncts { const_declaration(); } 53 DeclConsts DeclVars DeclFoncts { gen_const_declaration(); }
54 ; 54 ;
55DeclConsts: 55DeclConsts:
56 DeclConsts CONST ListConst ';' 56 DeclConsts CONST ListConst ';'
@@ -73,8 +73,8 @@ DeclVars:
73 | 73 |
74 ; 74 ;
75Declarateurs: 75Declarateurs:
76 Declarateurs ',' Declarateur { declaration($<ident>3, $<type>0, scope); } 76 Declarateurs ',' Declarateur { gen_declaration($<ident>3, $<type>0, scope); }
77 | Declarateur { declaration($<ident>1, $<type>0, scope); } 77 | Declarateur { gen_declaration($<ident>1, $<type>0, scope); }
78 ; 78 ;
79Declarateur: 79Declarateur:
80 IDENT 80 IDENT
@@ -97,39 +97,34 @@ Parametres:
97 | ListTypVar 97 | ListTypVar
98 ; 98 ;
99ListTypVar: 99ListTypVar:
100 ListTypVar ',' TYPE IDENT { declaration($<ident>4, $<type>3, scope); } 100 ListTypVar ',' TYPE IDENT { gen_declaration($<ident>4, $<type>3, scope); }
101 | TYPE IDENT { declaration($<ident>2, $<type>1, scope); } 101 | TYPE IDENT { gen_declaration($<ident>2, $<type>1, scope); }
102 ; 102 ;
103Corps: 103Corps:
104 '{' DeclConsts DeclVars SuiteInstr '}' 104 '{' DeclConsts DeclVars SuiteInstr '}'
105 ; 105 ;
106SuiteInstr: 106SuiteInstr:
107 SuiteInstr Instr 107 SuiteInstr Instr
108 | ; 108 |
109Instr:
110 Exp ';'
111 | ';'
112 | RETURN Exp ';'
113 | RETURN ';'
114 | READE '(' IDENT ')' ';' {
115 if(scope == GLOBAL) glo_lookup($<ident>3);
116 else loc_lookup($<ident>3);
117 }
118 | READC '(' IDENT ')' ';' {
119 if(scope == GLOBAL) glo_lookup($<ident>3);
120 else loc_lookup($<ident>3);
121 }
122 | PRINT '(' Exp ')' ';' {printf("pop rax\ncall print\n");}
123 | IF '(' Exp IfHandling')' Instr {printf(".end_if%d:\n;ENDIF\n\n",$<num>4);}
124 | IF '(' Exp IfHandling')' Instr ELSE IfEndHandling Instr IfElseEndHandling
125 | WHILE '(' Exp ')' Instr
126 | '{' SuiteInstr '}'
127 ; 109 ;
128IfHandling: {printf("\n;BEGINIF\npop rax\ncmp rax,0\njz .end_if%d\n",$<num>$ = num_if++);}; 110Instr:
129IfEndHandling: {printf("jmp .end_ifelse%d\n.end_if%d:\n",$<num>-3,$<num>-3);}; 111 Exp ';'
130IfElseEndHandling: {printf(".end_ifelse%d:\n;ENDIF\n\n",$<num>-5);}; 112 | ';'
113 | RETURN Exp ';'
114 | RETURN ';'
115 | READE '(' IDENT ')' ';' { gen_read($<ident>3, scope); }
116 | READC '(' IDENT ')' ';' { gen_read($<ident>3, scope); }
117 | PRINT '(' Exp ')' ';' { gen_print();}
118 | IF '(' Exp IfHandling')' Instr { gen_if_label($<num>4); }
119 | IF '(' Exp IfHandling')' Instr ELSE IfEndHandling Instr IfElseEndHandling
120 | WHILE '(' Exp ')' Instr
121 | '{' SuiteInstr '}'
122 ;
123IfHandling: { gen_if_start($<num>$ = num_if++); };
124IfEndHandling: { gen_if_end($<num>-3); };
125IfElseEndHandling: { gen_ifelse_end($<num>-5); };
131Exp: 126Exp:
132 LValue '=' Exp { 127 LValue '=' Exp { /* TODO: extract this into func */
133 if(scope == GLOBAL){ 128 if(scope == GLOBAL){
134 $$ = glo_lookup($<ident>1); 129 $$ = glo_lookup($<ident>1);
135 printf("pop QWORD [rbp - %d] ;%s\n",glo_get_addr($<ident>1),$<ident>1); 130 printf("pop QWORD [rbp - %d] ;%s\n",glo_get_addr($<ident>1),$<ident>1);
@@ -139,89 +134,31 @@ Exp:
139 printf("pop QWORD [rbp - %d] ;%s\n",loc_get_addr($<ident>1),$<ident>1); 134 printf("pop QWORD [rbp - %d] ;%s\n",loc_get_addr($<ident>1),$<ident>1);
140 } 135 }
141 } 136 }
142 | EB 137 | EB
143 ; 138 ;
144EB: 139EB:
145 EB OR TB { 140 EB OR TB { gen_or($1, $3, num_label++); }
146 check_expected_type($1,INT);check_expected_type($3,INT); 141 | TB
147 printf(";a OR c\npop rax\n");
148 printf("cmp rax,1\nje .true%d\npop rcx\ncmp rcx,1\njz .true%d\npush 0\njmp .false%d\n",num_label,num_label,num_label);
149 printf(".true%d:\npush 1\n.false%d:",num_label,num_label);
150 num_label++;
151 }
152 | TB
153 ; 142 ;
154TB: 143TB:
155 TB AND FB { 144 TB AND FB { gen_and($1, $3, num_label++); }
156 check_expected_type($1,INT);check_expected_type($3,INT); 145 | FB
157 printf(";a AND c\npop rax\n");
158 printf("cmp rax,0\njz .false%d\npop rcx\ncmp rcx,0\njz .false%d\npush 1\njmp .true%d\n",num_label,num_label,num_label);
159 printf(".false%d:\npush 0\n.true%d:",num_label,num_label);
160 num_label++;
161 }
162 | FB
163 ; 146 ;
164FB: 147FB:
165 FB EQ M { 148 FB EQ M { gen_eq($2, $1, $3, num_label++); }
166 check_expected_type($1,INT);check_expected_type($3,INT); 149 | M
167 printf(";a EQ c\npop rax\npop rcx\ncmp rax,rcx\n");
168 if(!strcmp($2,"==")){
169 printf("je .true%d\n",num_label);
170 }else{
171 printf("jne .true%d\n",num_label);
172 }
173 printf("push 0\njmp .false%d\n.true%d:\npush 1\n.false%d:",num_label,num_label,num_label);
174 num_label++;
175 }
176 | M
177 ; 150 ;
178M: 151M:
179 M ORDER E { 152 M ORDER E { gen_order($2, $1, $3, num_label++); }
180 check_expected_type($1,INT);check_expected_type($3,INT);
181 printf(";a ORDER c\npop rcx\npop rax\ncmp rax,rcx\n");
182 if(!strcmp($2,"<")){
183 printf("jl .true%d\n",num_label);
184 }else if(!strcmp($2,"<=")){
185 printf("jle .true%d\n",num_label);
186 }else if(!strcmp($2,">")){
187 printf("jg .true%d\n",num_label);
188 }else{
189 printf("jge .true%d\n",num_label);
190 }
191 printf("push 0\njmp .false%d\n.true%d:\npush 1\n.false%d:",num_label,num_label,num_label);
192 num_label++;
193 }
194 | E 153 | E
195 ; 154 ;
196E: 155E:
197 E ADDSUB T { 156 E ADDSUB T { gen_addsub($2, $1, $3); }
198 check_expected_type($1,INT);check_expected_type($3,INT); 157 | T
199 if($2 == '+'){
200 printf(";E + T\npop rcx\npop rax\nadd rax,rcx\npush rax\n");
201 }
202 else{
203 printf(";E - T\npop rcx\npop rax\nsub rax,rcx\npush rax\n");
204 }
205 }
206 | T
207 ; 158 ;
208T: 159T:
209 T DIVSTAR F { 160 T DIVSTAR F { gen_divstar($2, $1, $3); }
210 check_expected_type($1,INT);check_expected_type($3,INT); 161 | F
211 if($2 == '*'){
212 printf(";E * T\npop rax\npop rcx\nimul rax,rcx\npush rax\n");
213 }
214 else{
215 printf(";E / T\npop rax\npop rcx\nxor rdx,rdx\nidiv rcx\n");
216 if ($2 == '/'){
217 printf("push rax\n");
218 }
219 else{
220 printf("push rdx\n");
221 }
222 }
223 }
224 | F
225 ; 162 ;
226F: 163F:
227 ADDSUB F {$$ = $2;//on fait remonter le type 164 ADDSUB F {$$ = $2;//on fait remonter le type
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 03:16:45 +0000