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Infix and Postfix procedure calls

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This commit is contained in:
gingerBill
2016-08-23 11:11:01 +01:00
parent aaecb18c8f
commit 975705f1fc
9 changed files with 153 additions and 78 deletions
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29
src/parser.cpp
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@@ -81,6 +81,12 @@ enum VarDeclTag {
VarDeclTag_thread_local = GB_BIT(0),
};
enum CallExprKind {
CallExpr_Normal,
CallExpr_UnaryOp,
CallExpr_BinaryOp,
};
#define AST_NODE_KINDS \
AST_NODE_KIND(Invalid, struct{}) \
AST_NODE_KIND(BasicLit, Token) \
@@ -112,6 +118,7 @@ AST_NODE_KIND(_ExprBegin, struct{}) \
AstNode *proc, *arg_list; \
isize arg_list_count; \
Token open, close; \
CallExprKind kind; \
}) \
AST_NODE_KIND(SliceExpr, struct { \
AstNode *expr; \
@@ -1186,6 +1193,16 @@ AstNode *parse_atom_expr(AstFile *f, b32 lhs) {
b32 loop = true;
while (loop) {
switch (f->cursor[0].kind) {
case Token_CustomUnaryOp: {
Token op = expect_token(f, Token_CustomUnaryOp);
if (lhs) {
// TODO(bill): Handle this
}
AstNode *proc = make_ident(f, op);
operand = make_call_expr(f, proc, operand, 1, ast_node_token(operand), op);
} break;
case Token_OpenParen: {
if (lhs) {
// TODO(bill): Handle this shit! Is this even allowed in this language?!
@@ -1354,8 +1371,14 @@ AstNode *parse_binary_expr(AstFile *f, b32 lhs, i32 prec_in) {
ast_file_err(f, op, "Expected expression on the right hand side of the binary operator");
}
}
expression = make_binary_expr(f, op, expression, right);
if (op.kind == Token_CustomBinaryOp) {
AstNode *proc = make_ident(f, op);
expression->next = right;
expression = make_call_expr(f, proc, expression, 2, ast_node_token(expression), ast_node_token(right));
} else {
expression = make_binary_expr(f, op, expression, right);
}
}
}
return expression;
@@ -1638,7 +1661,7 @@ AstNode *parse_identifier_or_type(AstFile *f) {
Token token = expect_token(f, Token_enum);
AstNode *base_type = NULL;
Token open, close;
if (f->cursor[0].kind != Token_OpenBrace) {
base_type = parse_type(f);
}
@@ -1669,7 +1692,7 @@ AstNode *parse_identifier_or_type(AstFile *f) {
close = expect_token(f, Token_CloseBrace);
return make_enum_type(f, token, base_type, root, field_count);
}
}
case Token_proc:
return parse_proc_type(f, NULL);