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| author | Eugen Wissner <belka@caraus.de> | 2026-04-04 22:35:42 +0200 |
|---|---|---|
| committer | Eugen Wissner <belka@caraus.de> | 2026-04-04 22:35:42 +0200 |
| commit | 7c37f7f1c7dc5595ae3e630ebe0cca7f6aeb58b9 (patch) | |
| tree | 5c7fa7ed0afd6eb0c8e6ded2b9e12c652ea13856 /boot/stage19/cl.elna | |
| parent | 8514fb4fa002420a164ced7fffd0df4bb016e5b6 (diff) | |
| download | elna-7c37f7f1c7dc5595ae3e630ebe0cca7f6aeb58b9.tar.gz | |
Implement add_ptr instruction
Diffstat (limited to 'boot/stage19/cl.elna')
| -rw-r--r-- | boot/stage19/cl.elna | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/boot/stage19/cl.elna b/boot/stage19/cl.elna index 8959bfa..1c2000c 100644 --- a/boot/stage19/cl.elna +++ b/boot/stage19/cl.elna @@ -49,13 +49,13 @@ type ElnaTypePointer = record kind: ElnaTypeKind; size: Word; - base: Word + base: ^ElnaType end; ElnaTypeArray = record kind: ElnaTypeKind; size: Word; base: Word; - length: Word + length: ^ElnaType end; (* Abstract syntax tree nodes. *) @@ -135,8 +135,8 @@ type ElnaTreeBinaryExpression = record kind: ElnaTreeKind; type_decoration: ^ElnaType; - lhs: Word; - rhs: Word; + lhs: ^ElnaTreeExpression; + rhs: ^ElnaTreeExpression; operator: Word end; ElnaTreeUnaryExpression = record @@ -2232,9 +2232,30 @@ var rhs_type: Word; rhs_value: Word; rhs_length: Word; + pointer_type: ^ElnaTypePointer; begin if parser_node^.kind <> ElnaTreeKind.binary_expression then first_instruction := elna_tac_unary_expression(parser_node, symbol_table, operand_type, operand_value, operand_length) + elsif parser_node^.operator = ElnaLexerKind.pipe then + first_instruction := elna_tac_unary_expression(parser_node^.lhs, symbol_table, @lhs_type, @lhs_value, @lhs_length); + + instruction := elna_tac_unary_expression(parser_node^.rhs, symbol_table, @rhs_type, @rhs_value, @rhs_length); + first_instruction := elna_instruction_list_concatenate(first_instruction, instruction); + + elna_tac_generate_pseudo(operand_type, operand_value, operand_length, symbol_table); + pointer_type := parser_node^.lhs^.type_decoration; + + instruction := elna_tac_instruction_create(ElnaTacOperator.multiply); + elna_tac_instruction_set_operand(instruction, 1, operand_type^, operand_value^, operand_length^); + elna_tac_instruction_set_operand(instruction, 2, rhs_type, rhs_value, rhs_length); + elna_tac_instruction_set_operand(instruction, 3, ElnaTacKind.immediate, pointer_type^.base^.size, 0); + first_instruction := elna_instruction_list_concatenate(first_instruction, instruction); + + instruction := elna_tac_instruction_create(ElnaTacOperator.add); + elna_tac_instruction_set_operand(instruction, 1, operand_type^, operand_value^, operand_length^); + elna_tac_instruction_set_operand(instruction, 2, operand_type^, operand_value^, operand_length^); + elna_tac_instruction_set_operand(instruction, 3, lhs_type, lhs_value, lhs_length); + first_instruction := elna_instruction_list_concatenate(first_instruction, instruction) else first_instruction := elna_tac_unary_expression(parser_node^.lhs, symbol_table, @lhs_type, @lhs_value, @lhs_length); @@ -2245,8 +2266,6 @@ begin instruction := elna_tac_instruction_create(ElnaTacOperator.add) elsif parser_node^.operator = ElnaLexerKind.minus then instruction := elna_tac_instruction_create(ElnaTacOperator.subtract) - elsif parser_node^.operator = ElnaLexerKind.pipe then - instruction := elna_tac_instruction_create(ElnaTacOperator.add) elsif parser_node^.operator = ElnaLexerKind.multiplication then instruction := elna_tac_instruction_create(ElnaTacOperator.multiply) elsif parser_node^.operator = ElnaLexerKind.and then |