swamp-code-gen 0.2.27

generates swamp-vm opcodes
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140

/*
 * Copyright (c) Peter Bjorklund. All rights reserved. https://github.com/swamp/swamp
 * Licensed under the MIT License. See LICENSE in the project root for license information.
 */
use crate::code_bld::CodeBuilder;
use crate::{FlagState, FlagStateKind};
use swamp_semantic::{BinaryOperator, BinaryOperatorKind};
use swamp_vm_types::types::{BasicTypeKind, TypedRegister};

impl CodeBuilder<'_> {
    pub fn emit_binary_operator_relational_i32_to_t_flag_only(
        &mut self,
        dest_bool_reg: &TypedRegister,
        left_source: &TypedRegister,
        binary_operator: &BinaryOperator,
        right_source: &TypedRegister,
    ) -> FlagState {
        let node = &binary_operator.node;
        match &binary_operator.kind {
            BinaryOperatorKind::LessThan => {
                self.builder
                    .add_lt_i32(dest_bool_reg, left_source, right_source, node, "i32 lt");
            }
            BinaryOperatorKind::LessEqual => {
                self.builder
                    .add_le_i32(dest_bool_reg, left_source, right_source, node, "i32 le");
            }
            BinaryOperatorKind::GreaterThan => {
                self.builder
                    .add_gt_i32(dest_bool_reg, left_source, right_source, node, "i32 gt");
            }
            BinaryOperatorKind::GreaterEqual => {
                self.builder
                    .add_ge_i32(dest_bool_reg, left_source, right_source, node, "i32 ge");
            }
            _ => {
                panic!("was not a condition")
            }
        }
        FlagState {
            kind: FlagStateKind::TFlagIsTrueWhenSet,
        }
    }

    pub fn emit_binary_operator_relational_u8(
        &mut self,
        dest_bool_reg: &TypedRegister,
        left_source: &TypedRegister,
        binary_operator: &BinaryOperator,
        right_source: &TypedRegister,
    ) -> FlagState {
        let node = &binary_operator.node;
        match &binary_operator.kind {
            BinaryOperatorKind::LessThan => {
                self.builder
                    .add_lt_u32(dest_bool_reg, left_source, right_source, node, "i32 lt");
            }
            BinaryOperatorKind::LessEqual => {
                self.builder
                    .add_le_u32(dest_bool_reg, left_source, right_source, node, "i32 le");
            }
            BinaryOperatorKind::GreaterThan => {
                self.builder
                    .add_gt_u32(dest_bool_reg, left_source, right_source, node, "i32 gt");
            }
            BinaryOperatorKind::GreaterEqual => {
                self.builder
                    .add_ge_u32(dest_bool_reg, left_source, right_source, node, "i32 ge");
            }
            _ => {
                panic!("was not a condition")
            }
        }
        FlagState {
            kind: FlagStateKind::TFlagIsTrueWhenSet,
        }
    }

    pub fn emit_binary_operator_relational_f32_to_t_flag_only(
        &mut self,
        dest_bool_reg: &TypedRegister,
        left_source: &TypedRegister,
        binary_operator: &BinaryOperator,
        right_source: &TypedRegister,
    ) -> FlagState {
        let node = &binary_operator.node;
        match &binary_operator.kind {
            BinaryOperatorKind::LessThan => {
                self.builder
                    .add_lt_i32(dest_bool_reg, left_source, right_source, node, "f32 lt");
            }
            BinaryOperatorKind::LessEqual => {
                self.builder
                    .add_le_i32(dest_bool_reg, left_source, right_source, node, "f32 le");
            }
            BinaryOperatorKind::GreaterThan => {
                self.builder
                    .add_gt_i32(dest_bool_reg, left_source, right_source, node, "f32 gt");
            }
            BinaryOperatorKind::GreaterEqual => {
                self.builder
                    .add_ge_i32(dest_bool_reg, left_source, right_source, node, "f32 ge");
            }
            _ => panic!("not a relational operator"),
        }
        FlagState {
            kind: FlagStateKind::TFlagIsTrueWhenSet,
        }
    }

    pub fn emit_binary_operator_relational(
        &mut self,
        dest_bool_reg: &TypedRegister,
        left_source: &TypedRegister,
        binary_operator: &BinaryOperator,
        right_source: &TypedRegister,
    ) -> FlagState {
        match &left_source.ty.basic_type.kind {
            BasicTypeKind::S32 => self.emit_binary_operator_relational_i32_to_t_flag_only(
                dest_bool_reg,
                left_source,
                binary_operator,
                right_source,
            ),
            BasicTypeKind::Fixed32 => self.emit_binary_operator_relational_f32_to_t_flag_only(
                dest_bool_reg,
                left_source,
                binary_operator,
                right_source,
            ),
            BasicTypeKind::U8 => self.emit_binary_operator_relational_u8(
                dest_bool_reg,
                left_source,
                binary_operator,
                right_source,
            ),
            _ => panic!("this is not a relational operator type"),
        }
    }
}