38 lines
856 B
C
38 lines
856 B
C
#include "ctx.h"
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#include <ivy/lang/ast.h>
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bool parse_index(
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struct ivy_parser *parser, struct ivy_ast_node *container,
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struct ivy_ast_node **out)
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{
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if (!parse_symbol(parser, IVY_SYM_LEFT_BRACKET)) {
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parse_trace(parser, "expected `[` before subscript value");
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return false;
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}
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struct ivy_ast_node *subscript = NULL;
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if (!parse_expr(parser, EXPR_PARSE_NORMAL, &subscript)) {
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parse_trace(parser, "invalid subscript value");
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return false;
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}
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if (!parse_symbol(parser, IVY_SYM_RIGHT_BRACKET)) {
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parse_trace(parser, "expected `]` after subscript value");
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return false;
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}
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struct ivy_ast_op_node *op_node = create_node(IVY_AST_OP);
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if (!op_node) {
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return false;
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}
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op_node->n_op = ivy_operator_get_by_id(IVY_OP_SUBSCRIPT);
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op_node->n_left = container;
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op_node->n_right = subscript;
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*out = generic_node(op_node);
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return true;
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}
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