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Sample_Symbol_table.txt
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** Test case for symbol table (only): Variant of test case t5.txt including dynamic arrays - testcase not to be used for bound checking for dynamic arrays and code generation**
** emphasis- width for static and dynamic array variables as parameters and as local variables**
<<module var_demo_array>>
takes input [x:integer, m:array [2..20] of integer, p:real, z1:array[low..high]of real];
returns [ n:integer, k: boolean];
start
declare a,b,h:integer;
get_value(b);
declare p: array[2..20] of integer;
a:= m[5]+3; **Not an error: array index within bounds**
p:= m; **Not an error: type expressions of array variables p and m are same and assignment is a valid operation**
k:=true;
p:= m + p; **ERROR: array variables m and p cannot be added**
p[10]:= a*b-20*h; **Not an error: array index within bounds**
while(k AND a<=m[11] OR false)
start
declare p, u:integer;
declare b: array[2..20] of integer;
b:= m;
b[2]:= u+m[25]; **ERROR: element of array m is out of bound**
a:= b[18]*18.56E+2; **ERROR: type mismatch **
end
n:= a - p*b; **ERROR: types of p and b are different**
b:= b+3;
k:= a>b OR b>100;
declare z2, z3: array[a..b] of integer;
declare x1:real;
print(k);
end
<<module f1>>
takes input[a: array[g1..g2] of integer, b:array[10..30] of integer, c:real];
returns [m:boolean, n:integer];
start
declare x,y, p: real;
declare k: integer;
get_value(y);
get_value(x);
declare A,B: array[4..10] of integer;
get_value(B);
declare D,C: array[10..30] of integer;
A:=B;
C:=a;
D:=C;
for (k in 15..40)
start
x:=x+k*y; **ERROR: Type mismatch error**
declare u, v:real;
u := y+c*34.2;
v:= u-c*p-20.5E+2;
switch(k)
start
case 10: declare A:real;
declare Q: integer;
declare B: array[10..30] of integer;
declare E: array[4..10] of integer;
B[9]:= k*20; **ERROR: element of array B is out of bound**
B:=C; **not an error**
E:= Q; **ERROR: variables E and Q are of different types **
break;
case 20: A:= 12.90 + u*y - c;
get_value(Q);
declare F: array[h1..h2] of boolean;
E[7]:= k+12 - Q*10+u; **ERROR: Type mismatch error**
break;
default: E[9]:= B[15]+Q; **not an error**
break;
end
x:=x + u*v- u<=v; **ERROR: Type mismatch error**
end
x:=c+y;
C[18]:= a[18]+ b[18];
A[5]:= B[6]- 10;
declare G:array[k1..k2] of real;
m:= A[5]< C[18] + A[11]; **ERROR: element of array A is out of bound**
n:= 20*8-5;
end
<<<driver program>>>
start
declare v_1_2_3, A:integer;
declare u1, k:boolean;
A:=12;
declare p: real;
p:= 23.56;
get_value(v_1_2_3);
declare B, C: array [2..20] of integer;
declare L, H:integer;
declare M:array[L..H] of integer;
get_value(L);
get_value(H);
get_value(M);
[ v_1_2_3, u1]:=use module var_demo_array with parameters A,B,p,M; **fourth parameter is a dynamic array**
[ v_1_2_3, k]:=use module var_demo_array with parameters A,B,p,B; **fourth parameter is a static array**
declare a,b:integer;
a:= 5.89e-2; **ERROR: type mismatch error**
get_value(b);
declare value, q, r: real;
get_value(q);
r:= 23.67e+2;
value:= p+q*r-a*value; **ERROR: type mismatch error**
k:= true AND false OR q; **ERROR: type mismatch error**
u1:= a<=b;
declare w: integer;
w:= 23+B[6];
b:= a*25+100*C[1]; **ERROR:element of array C is out of bound**
declare D: array[20..40] of integer;
D:= value-q+r; **ERROR: type mismatch error**
w:= w + 5;
B:= C;
C:= D; **ERROR: type mismatch error**
end
**
variable_name scope(module_name) scope(line_numbers) width isArray static_or_dynamic range_lexemes type_of_element offset nesting_level
x var_demo_array 8-31 2 no --- --- integer 0 0
m var_demo_array 8-31 5 yes static [2,20] integer 2 0
p var_demo_array 8-31 4 no --- --- real 7 0
z1 var_demo_array 8-31 5 yes dynamic [low, high] real 11 0
n var_demo_array 8-31 2 no --- --- integer 16 0
k var_demo_array 8-31 1 no --- --- boolean 18 0
a var_demo_array 8-31 2 no --- --- integer 0 1
b var_demo_array 8-31 2 no --- --- integer 2 1
h var_demo_array 8-31 2 no --- --- integer 4 1
p var_demo_array 8-31 39 yes static [2,20] integer 6 1
p var_demo_array 18-24 2 no --- --- integer 45 2
u var_demo_array 18-24 2 no --- --- integer 47 2
b var_demo_array 18-24 39 yes static [2,20] integer 49 2
z2 var_demo_array 8-31 1 yes dynamic [a,b] integer 88 1
z3 var_demo_array 8-31 1 yes dynamic [a,b] integer 89 1
x1 var_demo_array 8-31 4 no --- --- integer 90 1
a f1 37-80 5 yes dynamic [g1,g2] integer 0 0
b f1 37-80 5 yes static [10,30] integer 5 0
c f1 37-80 4 no --- --- real 10 0
m f1 37-80 1 no --- --- boolean 14 0
n f1 37-80 2 no --- --- integer 15 0
x f1 37-80 4 no --- --- real 0 1
y f1 37-80 4 no --- --- real 4 1
p f1 37-80 4 no --- --- real 8 1
k f1 37-80 2 no --- --- integer 12 1
A f1 37-80 15 yes static [4,10] integer 14 1
B f1 37-80 15 yes static [4,10] integer 29 1
D f1 37-80 43 yes static [10,30] integer 44 1
C f1 37-80 43 yes static [10,30] integer 87 1
u f1 49-73 4 no --- --- real 130 2
v f1 49-73 4 no --- --- real 134 2
A f1 55-71 4 no --- --- real 138 3
Q f1 55-71 2 no --- --- integer 142 3
B f1 55-71 43 yes static [10,30] integer 144 3
E f1 55-71 15 yes static [4,10] integer 187 3
F f1 55-71 1 yes dynamic [h1,h2] boolean 202 3
G f1 37-80 1 yes dynamic [k1,k2] real 203 1
v_1_2_3 driver 85-117 2 no --- --- integer 0 1
A driver 85-117 2 no --- --- integer 2 1
u1 driver 85-117 1 no --- --- boolean 4 1
k driver 85-117 1 no --- --- boolean 5 1
p driver 85-117 4 no --- --- real 6 1
B driver 85-117 39 yes static [2,20] integer 10 1
C driver 85-117 39 yes static [2,20] integer 49 1
L driver 85-117 2 no --- --- integer 88 1
H driver 85-117 2 no --- --- integer 90 1
M driver 85-117 1 yes dynamic [L,H] integer 92 1
a driver 85-117 2 no --- --- integer 93 1
b driver 85-117 2 no --- --- integer 95 1
value driver 85-117 4 no --- --- real 97 1
q driver 85-117 4 no --- --- real 101 1
r driver 85-117 4 no --- --- real 105 1
w driver 85-117 2 no --- --- integer 109 1
D driver 85-117 43 yes static [20,40] integer 111 1
**