nielsbross/Ink-Shader-Language
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Add else parsing. Still a few bugs with output.

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Niels Bross
2025-01-13 09:14:36 +01:00
parent 85b23f90e5
commit 4b927b6be9
4 changed files with 78 additions and 6 deletions
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18
Parsing.jai
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@@ -112,7 +112,7 @@ parse_rules :: #run -> [(cast(int)Token_Kind.TOKEN_ERROR) + 1]Parse_Rule {
rules[Token_Kind.TOKEN_ELSE] = .{null, null, .PREC_NONE};
rules[Token_Kind.TOKEN_FALSE] = .{null, null, .PREC_NONE};
rules[Token_Kind.TOKEN_FOR] = .{null, null, .PREC_NONE};
rules[Token_Kind.TOKEN_IF] = .{if_, null, .PREC_NONE};
rules[Token_Kind.TOKEN_IF] = .{null, null, .PREC_NONE};
rules[Token_Kind.TOKEN_LOGICALOR] = .{null, binary, .PREC_OR};
rules[Token_Kind.TOKEN_LOGICALAND] = .{null, binary, .PREC_AND};
rules[Token_Kind.TOKEN_RETURN] = .{null, null, .PREC_NONE};
@@ -387,10 +387,6 @@ precedence :: (parse_state : *Parse_State, precedence : Precedence) -> *AST_Node
return left;
}
if_ :: (parse_state : *Parse_State, left : *AST_Node) -> *AST_Node {
return error_node(parse_state, "If not yet implemented.");
}
named_variable :: (parse_state : *Parse_State, left : *AST_Node) -> *AST_Node {
if check(parse_state, .TOKEN_LEFTPAREN) {
return call(parse_state, left);
@@ -774,6 +770,11 @@ statement :: (parse_state : *Parse_State) -> *AST_Node {
add_child(node, if_body);
}
if match(parse_state, .TOKEN_ELSE) {
else_node := else_statement(parse_state);
add_child(node, else_node);
}
source_location.end = parse_state.previous;
node.source_location = source_location;
@@ -785,6 +786,13 @@ statement :: (parse_state : *Parse_State) -> *AST_Node {
return error_node(parse_state, "Couldn't parse statement.");
}
else_statement :: (parse_state : *Parse_State) -> *AST_Node {
if check(parse_state, .TOKEN_IF) {
return statement(parse_state);
}
return block(parse_state);
}
block :: (parse_state : *Parse_State) -> *AST_Node {
node : *AST_Node = make_node(parse_state, .Block);
array_reserve(*node.children, 1024);