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https://github.com/nim-lang/Nim.git
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658c9da33e
Most of what ccgexprs uses is now ported to cbuilder, so this PR makes around ~25% of ccgexprs use it, along with adding `if` stmts (no `while`/`switch` and `for` which is only used as `for (tmp = a; tmp < b; tmp++)`). The `if` builder does not add indents for blocks since we can't make `Builder` an object yet rather than an alias to `string`, this will likely be one of the last refactors. Somewhat unrelated but `ccgtypes` is not ready yet because proc signatures are not implemented.
77 lines
2.0 KiB
Nim
77 lines
2.0 KiB
Nim
type
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Snippet = string
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Builder = string
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template newBuilder(s: string): Builder =
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s
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proc addIntValue(builder: var Builder, val: int) =
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builder.addInt(val)
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proc addIntValue(builder: var Builder, val: int64) =
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builder.addInt(val)
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proc addIntValue(builder: var Builder, val: uint64) =
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builder.addInt(val)
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proc addIntValue(builder: var Builder, val: Int128) =
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builder.addInt128(val)
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template cIntValue(val: int): Snippet = $val
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template cIntValue(val: int64): Snippet = $val
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template cIntValue(val: uint64): Snippet = $val
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template cIntValue(val: Int128): Snippet = $val
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import std/formatfloat
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proc addFloatValue(builder: var Builder, val: float) =
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builder.addFloat(val)
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template cFloatValue(val: float): Snippet = $val
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proc int64Literal(i: BiggestInt; result: var Builder) =
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if i > low(int64):
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result.add "IL64($1)" % [rope(i)]
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else:
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result.add "(IL64(-9223372036854775807) - IL64(1))"
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proc uint64Literal(i: uint64; result: var Builder) =
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result.add rope($i & "ULL")
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proc intLiteral(i: BiggestInt; result: var Builder) =
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if i > low(int32) and i <= high(int32):
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result.addIntValue(i)
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elif i == low(int32):
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# Nim has the same bug for the same reasons :-)
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result.add "(-2147483647 -1)"
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elif i > low(int64):
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result.add "IL64($1)" % [rope(i)]
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else:
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result.add "(IL64(-9223372036854775807) - IL64(1))"
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proc intLiteral(i: Int128; result: var Builder) =
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intLiteral(toInt64(i), result)
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proc cInt64Literal(i: BiggestInt): Snippet =
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if i > low(int64):
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result = "IL64($1)" % [rope(i)]
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else:
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result = "(IL64(-9223372036854775807) - IL64(1))"
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proc cUint64Literal(i: uint64): Snippet =
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result = $i & "ULL"
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proc cIntLiteral(i: BiggestInt): Snippet =
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if i > low(int32) and i <= high(int32):
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result = rope(i)
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elif i == low(int32):
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# Nim has the same bug for the same reasons :-)
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result = "(-2147483647 -1)"
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elif i > low(int64):
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result = "IL64($1)" % [rope(i)]
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else:
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result = "(IL64(-9223372036854775807) - IL64(1))"
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proc cIntLiteral(i: Int128): Snippet =
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result = cIntLiteral(toInt64(i))
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