sairamkolla / flatB-Compiler

Compiler for the flatB language.

FlatB Compiler

Running the code

Build the compiler in the src/ directory using the following commands

cd src/
make
./bcc <test file>

bcc is the compiler executable file. Use it to compile any code written in flatB language.

Description

The language consists of 2 blocks, declaration block and codeblock . The declaration block consists of all the variable declarations and it's mandatory that all variables have to be declared in the declaration block before using them in the codeblock. The codeblock everything else other than variable declarations.

declblock {
// All variable declarations go here
}
codeblock{
// Main logic of the program ( shouldnot include variable declarations)
}

Syntax

• Variable Declarations

int data, array[100];
int sum;

• For Loop

for i = 1, 100 {
	.....
}

for i = 1, 100, 2 {
	.....      // Value of i varies from 1 to 100 with step size 2.
}

for i = expr1, expr2, expr3 {
	.....      // Value of i varies from expr1 to expr3 with step size expr3
}

• if-else statement

if expression {
      ....
}

if expression {
	...
}
else {
       ....
}

• while statement

while expression {

}

• conditional and unconditional goto

got label
goto label if expression

• IO Statements

print "blah...blah", val
println "new line at the end"
read sum
read data[i]