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author | Andreas Baumann <mail@andreasbaumann.cc> | 2024-01-14 19:46:20 +0100 |
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committer | Andreas Baumann <mail@andreasbaumann.cc> | 2024-01-14 19:46:20 +0100 |
commit | 41568587eaee36488b70e6e76b2f9ea68890471e (patch) | |
tree | 87bf362dd5bad006d96983f6848bb3c878b59a2e /miniany/test1.c | |
parent | 7bde6411b1b82cafd997df8ac222e82280a6e786 (diff) | |
download | compilertests-41568587eaee36488b70e6e76b2f9ea68890471e.tar.gz compilertests-41568587eaee36488b70e6e76b2f9ea68890471e.tar.bz2 |
updated todos and documentation
Diffstat (limited to 'miniany/test1.c')
-rw-r--r-- | miniany/test1.c | 61 |
1 files changed, 46 insertions, 15 deletions
diff --git a/miniany/test1.c b/miniany/test1.c index 20986e3..3ae7604 100644 --- a/miniany/test1.c +++ b/miniany/test1.c @@ -2,12 +2,27 @@ int f( ) { +// TODO: i is a local +// return i * 2; return 42; } +// TODO: handle forward declaration +//void f3( int i ); + void f2( ) { - putint( 44 ); + // TODO: unknown symbol because we don't know about f3 being + // a function with one int parameter + //f3( 44 ); +} + +void f3( int i ) +{ + // TODO: unknown identifier 'i' in expression, define them as + // local symbols, code for initializing them (more precise their + // address) being on the stack frame + //putint( i ); } void main( ) @@ -22,17 +37,17 @@ void main( ) int k; i = 12+25/5-2*3; // 25/5 -> 5, 12+5 -> 17, 2*3 -> 6, 17-6 -> 11 - putint( i ); + putint( i ); putnl( ); j = i/3+3*4; // 11 / 3 -> 3, 3*4 -> 12, 3+12 -> 15 - putint( j ); - k = 7 == 7; putint( k ); - k = 8 != 7; putint( k ); - k = 8 <= 9; putint( k ); - k = 8 < 9; putint( k ); - k = 9 > 8; putint( k ); - k = 9 >= 8; putint( k ); - k = 8 >= 8; putint( k ); - k = 8 <= 8; putint( k ); + putint( j ); putnl( ); + k = 7 == 7; putint( k ); putnl( ); + k = 8 != 7; putint( k ); putnl( ); + k = 8 <= 9; putint( k ); putnl( ); + k = 8 < 9; putint( k ); putnl( ); + k = 9 > 8; putint( k ); putnl( ); + k = 9 >= 8; putint( k ); putnl( ); + k = 8 >= 8; putint( k ); putnl( ); + k = 8 <= 8; putint( k ); putnl( ); if( i == j ) { putint( 2 ); } else { @@ -42,14 +57,15 @@ void main( ) putint( 0 ); } } + putnl( ); i = 5; while( i > 0 ) { - putint( i ); + putint( i ); putnl( ); i = i - 1; } i = 1; do { - putint( i ); + putint( i ); putnl( ); i = i + 1; } while( i <= 5 ); @@ -62,9 +78,24 @@ void main( ) putchar( c2 ); putchar( c3 ); putchar( c4 ); + putnl( ); + // TODO: test if parameter types and numbers match i = f( ); putint( i ); + putnl( ); + // TODO: handle negative integer literals + //putint( -2147483648 ); putnl( ); + putint( 2147483647 ); putnl( ); f2( ); - // TODO: disallow this assignment, LHS is a function, RHS is an integer literal - //f = 1; + // TODO: expressions as function parameters + f3( 41 + 1 ); + // TODO: after calling f3 eax contains 42, which is then printed below? + // eax is blocked and reserved in register, ebx is used to load 2147483647 + // we must release the allocated register eax + // TODO: might need spilling of registers before computing parameters for the call + // of 'f' + //f3( ( 43 + 2 ) * f( 3 ) ); + // call an undefined function (this works) + //f4( ); + putint( 2147483647 ); putnl( ); } |