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Incorrect line number in start_point for function_statement node #44

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jubnzv opened this issue Dec 25, 2021 · 1 comment · May be fixed by #51
Open

Incorrect line number in start_point for function_statement node #44

jubnzv opened this issue Dec 25, 2021 · 1 comment · May be fixed by #51

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@jubnzv
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jubnzv commented Dec 25, 2021

Consider the minimal example:

a = 42

function foo()
  return 19
end

The problem is that function_statement node for foo function has start_point with position (line=0, col=6). But the 0th line corresponds to the definition of a = 42, and the correct line number for the foo is 2.

Here is the minimal driver code using py-tree-sitter to quickly reproduce this issue:

parser = ts.Parser()
parser.set_language(ts.Language("lua-tree-sitter.so", "lua"))
parse_tree = parser.parse(b'''a = 42

function foo()
  return 19
end''')
q = self.ts_lang.query("(program) @p")
captures = q.captures(parse_tree.root_node)
for top_node in captures[0][0].children:
    print(f"{top_node.type}: line={top_node.start_point[0]} col={top_node.start_point[1]}")

Output:

variable_declaration: (line=0, col=0)
function_statement: (line=0, col=6)

Expected:

variable_declaration: (line=0, col=0)
function_statement: (line=2, col=6)
@jubnzv jubnzv changed the title Incorrect line number in start_point for `function_statement node Incorrect line number in start_point for function_statement node Dec 25, 2021
@starwing
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Is there any way to solve this?

@starwing starwing linked a pull request Aug 24, 2023 that will close this issue
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fix incorrect line numbers in start_point starwing/tree-sitter-lua
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@starwing @jubnzv