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Add evaluating of simple maths

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Signed-off-by: Marcel Müller <neikos@neikos.email>
This commit is contained in:
Marcel Müller 2026-03-12 17:29:45 +01:00
parent 05c095ccfe
commit d222573a3a
8 changed files with 543 additions and 4 deletions
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56
tests/cases/1-parsed@maths.snap Normal file
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---
source: tests/file_tests.rs
expression: parsed
info:
input: "{{= 5 * 3 }}\n{{= 2 * 3 + 4 * 3 }}\n{{= 3 / 3 + 3 }}"
context: {}
input_file: tests/cases/maths.nomo
---
ParsedTemplate {
tokens: [
[LeftDelim]"{{" (0..2),
[WantsOutput]"=" (2..3),
[Whitespace]" " (3..4),
[Literal(Integer(5))]"5" (4..5),
[Whitespace]" " (5..6),
[Operator(Times)]"*" (6..7),
[Whitespace]" " (7..8),
[Literal(Integer(3))]"3" (8..9),
[Whitespace]" " (9..10),
[RightDelim]"}}" (10..12),
[Whitespace]"\n" (12..13),
[LeftDelim]"{{" (13..15),
[WantsOutput]"=" (15..16),
[Whitespace]" " (16..17),
[Literal(Integer(2))]"2" (17..18),
[Whitespace]" " (18..19),
[Operator(Times)]"*" (19..20),
[Whitespace]" " (20..21),
[Literal(Integer(3))]"3" (21..22),
[Whitespace]" " (22..23),
[Operator(Plus)]"+" (23..24),
[Whitespace]" " (24..25),
[Literal(Integer(4))]"4" (25..26),
[Whitespace]" " (26..27),
[Operator(Times)]"*" (27..28),
[Whitespace]" " (28..29),
[Literal(Integer(3))]"3" (29..30),
[Whitespace]" " (30..31),
[RightDelim]"}}" (31..33),
[Whitespace]"\n" (33..34),
[LeftDelim]"{{" (34..36),
[WantsOutput]"=" (36..37),
[Whitespace]" " (37..38),
[Literal(Integer(3))]"3" (38..39),
[Whitespace]" " (39..40),
[Operator(Divide)]"/" (40..41),
[Whitespace]" " (41..42),
[Literal(Integer(3))]"3" (42..43),
[Whitespace]" " (43..44),
[Operator(Plus)]"+" (44..45),
[Whitespace]" " (45..46),
[Literal(Integer(3))]"3" (46..47),
[Whitespace]" " (47..48),
[RightDelim]"}}" (48..50),
],
}

100
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---
source: tests/file_tests.rs
expression: ast
info:
input: "{{= 5 * 3 }}\n{{= 2 * 3 + 4 * 3 }}\n{{= 3 / 3 + 3 }}"
context: {}
input_file: tests/cases/maths.nomo
---
TemplateAst {
root: [
Interpolation {
prev_whitespace_content: None,
expression: Operation {
op: Times,
lhs: Literal {
source: [Literal(Integer(5))]"5" (4..5),
value: Integer {
value: 5,
},
},
rhs: Literal {
source: [Literal(Integer(3))]"3" (8..9),
value: Integer {
value: 3,
},
},
},
post_whitespace_content: Some(
[Whitespace]"\n" (12..13),
),
},
Interpolation {
prev_whitespace_content: None,
expression: Operation {
op: Plus,
lhs: Operation {
op: Times,
lhs: Literal {
source: [Literal(Integer(2))]"2" (17..18),
value: Integer {
value: 2,
},
},
rhs: Literal {
source: [Literal(Integer(3))]"3" (21..22),
value: Integer {
value: 3,
},
},
},
rhs: Operation {
op: Times,
lhs: Literal {
source: [Literal(Integer(4))]"4" (25..26),
value: Integer {
value: 4,
},
},
rhs: Literal {
source: [Literal(Integer(3))]"3" (29..30),
value: Integer {
value: 3,
},
},
},
},
post_whitespace_content: Some(
[Whitespace]"\n" (33..34),
),
},
Interpolation {
prev_whitespace_content: None,
expression: Operation {
op: Plus,
lhs: Operation {
op: Divide,
lhs: Literal {
source: [Literal(Integer(3))]"3" (38..39),
value: Integer {
value: 3,
},
},
rhs: Literal {
source: [Literal(Integer(3))]"3" (42..43),
value: Integer {
value: 3,
},
},
},
rhs: Literal {
source: [Literal(Integer(3))]"3" (46..47),
value: Integer {
value: 3,
},
},
},
post_whitespace_content: None,
},
],
}

187
tests/cases/3-instructions@maths.snap Normal file
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---
source: tests/file_tests.rs
expression: emit
info:
input: "{{= 5 * 3 }}\n{{= 2 * 3 + 4 * 3 }}\n{{= 3 / 3 + 3 }}"
context: {}
input_file: tests/cases/maths.nomo
---
VMInstructions {
labels: {},
instructions: [
LoadLiteralToSlot {
source: [Literal(Integer(5))]"5" (4..5),
value: Integer {
value: 5,
},
slot: VariableSlot {
index: 1,
},
},
LoadLiteralToSlot {
source: [Literal(Integer(3))]"3" (8..9),
value: Integer {
value: 3,
},
slot: VariableSlot {
index: 2,
},
},
MathOperate {
op: Times,
left_slot: VariableSlot {
index: 1,
},
right_slot: VariableSlot {
index: 2,
},
result_slot: VariableSlot {
index: 0,
},
},
EmitFromSlot {
slot: VariableSlot {
index: 0,
},
},
AppendContent {
content: "\n" (12..13),
},
LoadLiteralToSlot {
source: [Literal(Integer(2))]"2" (17..18),
value: Integer {
value: 2,
},
slot: VariableSlot {
index: 5,
},
},
LoadLiteralToSlot {
source: [Literal(Integer(3))]"3" (21..22),
value: Integer {
value: 3,
},
slot: VariableSlot {
index: 6,
},
},
MathOperate {
op: Times,
left_slot: VariableSlot {
index: 5,
},
right_slot: VariableSlot {
index: 6,
},
result_slot: VariableSlot {
index: 4,
},
},
LoadLiteralToSlot {
source: [Literal(Integer(4))]"4" (25..26),
value: Integer {
value: 4,
},
slot: VariableSlot {
index: 8,
},
},
LoadLiteralToSlot {
source: [Literal(Integer(3))]"3" (29..30),
value: Integer {
value: 3,
},
slot: VariableSlot {
index: 9,
},
},
MathOperate {
op: Times,
left_slot: VariableSlot {
index: 8,
},
right_slot: VariableSlot {
index: 9,
},
result_slot: VariableSlot {
index: 7,
},
},
MathOperate {
op: Plus,
left_slot: VariableSlot {
index: 4,
},
right_slot: VariableSlot {
index: 7,
},
result_slot: VariableSlot {
index: 3,
},
},
EmitFromSlot {
slot: VariableSlot {
index: 3,
},
},
AppendContent {
content: "\n" (33..34),
},
LoadLiteralToSlot {
source: [Literal(Integer(3))]"3" (38..39),
value: Integer {
value: 3,
},
slot: VariableSlot {
index: 12,
},
},
LoadLiteralToSlot {
source: [Literal(Integer(3))]"3" (42..43),
value: Integer {
value: 3,
},
slot: VariableSlot {
index: 13,
},
},
MathOperate {
op: Divide,
left_slot: VariableSlot {
index: 12,
},
right_slot: VariableSlot {
index: 13,
},
result_slot: VariableSlot {
index: 11,
},
},
LoadLiteralToSlot {
source: [Literal(Integer(3))]"3" (46..47),
value: Integer {
value: 3,
},
slot: VariableSlot {
index: 14,
},
},
MathOperate {
op: Plus,
left_slot: VariableSlot {
index: 11,
},
right_slot: VariableSlot {
index: 14,
},
result_slot: VariableSlot {
index: 10,
},
},
EmitFromSlot {
slot: VariableSlot {
index: 10,
},
},
],
}

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---
source: tests/file_tests.rs
expression: output
info:
input: "{{= 5 * 3 }}\n{{= 2 * 3 + 4 * 3 }}\n{{= 3 / 3 + 3 }}"
context: {}
input_file: tests/cases/maths.nomo
---
"15\n18\n4"

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{
}
---
{{= 5 * 3 }}
{{= 2 * 3 + 4 * 3 }}
{{= 3 / 3 + 3 }}