A model representing an ASL for statement. Models the following structures:
for i = 0 to 15 do
x = x + i;
end;
for i = 15 downto 0 do
x = x + i;
end;
| Properties | Type | Description |
|---|---|---|
| _meta | Meta |
See
Meta
for more information.
|
| _type |
|
|
| ascending◊ |
|
If the for loop is iterating upwards or downwards. |
| end◊ | AST.BinaryOp |
The value to stop iterating at (inclusive).
See
definitions.expression in
AST.BinaryOp
for more information.
|
| start◊ | AST.BinaryOp |
The value to begin iterating from.
See
definitions.expression in
AST.BinaryOp
for more information.
|
| statements◊ | StatementBlock |
The statements to execute each loop iteration.
See
StatementBlock
for more information.
|
| variable◊ | Identifier |
The variable holding the value of the current iteration.
See
Identifier
for more information.
|
|
||
|
||
{
"_type": "AST.ForLoop",
"variable": {
"_type": "AST.Identifier",
"value": "i"
},
"start": {
"_type": "AST.Integer",
"value": 0
},
"ascending": true,
"end": {
"_type": "AST.Integer",
"value": 15
},
"statements": {
"_type": "AST.StatementBlock",
"statements": [
{
"_type": "AST.Assignment",
"var": {
"_type": "AST.Identifier",
"value": "x"
},
"val": {
"_type": "AST.BinaryOp",
"left": {
"_type": "AST.Identifier",
"value": "x"
},
"op": "+",
"right": {
"_type": "AST.Identifier",
"value": "i"
}
}
}
]
}
}{
"_type": "AST.ForLoop",
"variable": {
"_type": "AST.Identifier",
"value": "i"
},
"start": {
"_type": "AST.Integer",
"value": 15
},
"ascending": false,
"end": {
"_type": "AST.Integer",
"value": 0
},
"statements": {
"_type": "AST.StatementBlock",
"statements": [
{
"_type": "AST.Assignment",
"var": {
"_type": "AST.Identifier",
"value": "x"
},
"val": {
"_type": "AST.BinaryOp",
"left": {
"_type": "AST.Identifier",
"value": "x"
},
"op": "+",
"right": {
"_type": "AST.Identifier",
"value": "i"
}
}
}
]
}
}{
"title": "For Loop",
"info": [
"A model representing an ASL for statement. Models the following structures:",
[
"* An ascending For loop",
"```",
"for i = 0 to 15 do",
" x = x + i;",
"end;",
"```",
"* A descending For loop",
"```",
"for i = 15 downto 0 do",
" x = x + i;",
"end;",
"```"
]
],
"examples": [
{
"_type": "AST.ForLoop",
"variable": {
"_type": "AST.Identifier",
"value": "i"
},
"start": {
"_type": "AST.Integer",
"value": 0
},
"ascending": true,
"end": {
"_type": "AST.Integer",
"value": 15
},
"statements": {
"_type": "AST.StatementBlock",
"statements": [
{
"_type": "AST.Assignment",
"var": {
"_type": "AST.Identifier",
"value": "x"
},
"val": {
"_type": "AST.BinaryOp",
"left": {
"_type": "AST.Identifier",
"value": "x"
},
"op": "+",
"right": {
"_type": "AST.Identifier",
"value": "i"
}
}
}
]
}
},
{
"_type": "AST.ForLoop",
"variable": {
"_type": "AST.Identifier",
"value": "i"
},
"start": {
"_type": "AST.Integer",
"value": 15
},
"ascending": false,
"end": {
"_type": "AST.Integer",
"value": 0
},
"statements": {
"_type": "AST.StatementBlock",
"statements": [
{
"_type": "AST.Assignment",
"var": {
"_type": "AST.Identifier",
"value": "x"
},
"val": {
"_type": "AST.BinaryOp",
"left": {
"_type": "AST.Identifier",
"value": "x"
},
"op": "+",
"right": {
"_type": "AST.Identifier",
"value": "i"
}
}
}
]
}
}
],
"properties": {
"_meta": {
"$ref": "../Meta.json"
},
"_type": {
"enum": [
"AST.ForLoop"
]
},
"variable": {
"info": [
"The variable holding the value of the current iteration."
],
"$ref": "Identifier.json"
},
"start": {
"info": [
"The value to begin iterating from."
],
"$ref": "../AST/BinaryOp.json#/definitions/expression"
},
"ascending": {
"info": [
"If the for loop is iterating upwards or downwards."
],
"type": "boolean"
},
"end": {
"info": [
"The value to stop iterating at (inclusive)."
],
"$ref": "../AST/BinaryOp.json#/definitions/expression"
},
"statements": {
"info": [
"The statements to execute each loop iteration."
],
"$ref": "StatementBlock.json"
}
},
"required": [
"variable",
"start",
"ascending",
"end",
"statements"
],
"type": "object",
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-04/schema#"
}