vuminh224/tp2-vsl-pds
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This commit is contained in:
Vu Tuan Minh
2025-04-01 17:29:09 +02:00
parent cde7a34c7d
commit 2a901e4a37
5 changed files with 33 additions and 33 deletions
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53
src/main/antlr/VSLParser.g
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@@ -8,9 +8,7 @@ options {
@header {
package TP2;
import TP2.Program.Program;
import TP2.SymTable.SymTable;
import TP2.asd.*;
}
// On syntax error, raise exception rather than silently recovery
@@ -21,41 +19,42 @@ options {
}
}
program returns [Program.Program p] :
program returns [Program p] :
func=function
EOF
{$p = new Program.Program($func.out);}
{$p = new Program($func.out);}
;
function returns [List<Program.Function> out]
function returns [List<Function> out]
@init{
SymTable.SymTable sym_table = new SymTable.SymTable();
SymTable sym_table = new SymTable();
}:
FUNCTION t=type i=ident ParO ParF instrs=list_instr[sym_table]
{
$out.add(new Program.Function($t.return_type, $i.out, $instrs.out));
$out.add(new Function($t.return_type, $i.out, $instrs.out));
}
;
prototype returns [Program.Program p]:
prototype returns [Program p]:
;
list_instr [SymTable.SymTable table] returns [List<Program.Instruction> out]
list_instr [SymTable table] returns [ArrayList<Instruction> out]
@init{
List<Program.Instruction> instructions = new List<Program.Instruction>();
$out = new ArrayList<>();
}:
instruction [table]{
instructions.add($instruction.out);
$out=instructions;
instruction [table] {
$out.addAll($instruction.out);
}
;
instruction [SymTable.SymTable table] returns [List<Program.Instruction> out]:
RETURN expression[SymTable table]
instruction [SymTable table] returns [ArrayList<Instruction> out]:
RETURN e=expression [table]
{$out = new ArrayList<>();
$out.add(new Return_instr($e.out));}
;
expression [SymTable.SymTable table] returns [Type return_Type, Expression out]:
expression [SymTable table] returns [Type return_Type, Expression out]:
//Fix LL1 and compare add and sub first
left=td_expression[table] {
$out = $left.out;
@@ -64,10 +63,10 @@ expression [SymTable.SymTable table] returns [Type return_Type, Expression out]:
//maybe it will be binop(s) with add/sub here
//if it is mul or div, they are all gonna be left=td_expression[table] to handle
(op=(PLUS | MINUS) right=td_expression[table] {
$out = new Program.BinopExpression(
$out = new BinopExpression(
switch($op.getType()) {
case PLUS -> Op.PLUS;
case MINUS -> Op.MINUS;
case PLUS -> PLUS;
case MINUS -> MINUS;
default -> throw new IllegalArgumentException("Unknown operator");
},
$left.out,
@@ -77,7 +76,7 @@ expression [SymTable.SymTable table] returns [Type return_Type, Expression out]:
})*
;
td_expression [SymTable.SymTable table] returns [Type return_Type, Expression out]:
td_expression [SymTable table] returns [Type return_Type, Expression out]:
left=lit {
$out = $left.out;
$return_Type = $left.return_Type;
@@ -85,8 +84,8 @@ td_expression [SymTable.SymTable table] returns [Type return_Type, Expression ou
(op=(TIMES | DIV) right=lit {
$out = new Program.BinopExpression(
switch($op.getType()) {
case TIMES -> Op.TIMES;
case DIV -> Op.DIV;
case TIMES -> TIMES;
case DIV -> DIV;
default -> throw new IllegalArgumentException("Unknown operator");
},
$left.out,
@@ -98,8 +97,8 @@ td_expression [SymTable.SymTable table] returns [Type return_Type, Expression ou
lit returns [Expression out, Type return_Type]:
NUMBER {
$return_Type = new Program.Type_int();
$out = new Program.Const($NUMBER.int);
$return_Type = new Type_int();
$out = new Const($NUMBER.int);
}
;
@@ -108,6 +107,6 @@ ident returns [String out]:
;
type returns [Type return_type]:
TYPE_INT { $return_type = new Program.Type.Type_int(); }
|TYPE_VOID { $return_type = new Program.Type.Type_void(); }
TYPE_INT { $return_type = new Type_int(); }
|TYPE_VOID { $return_type = new Type_void(); }
;