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# File 'lib/oselvar/var/core/plan.rb', line 44
def plan(var_doc, registry)
examples = []
diagnostics = []
var_doc.examples.each do |ex|
had_ambiguous = false
steps_by_block = {}
ex.body.each_with_index do |block, idx|
next unless %w[paragraph list_item blockquote].include?(block.kind)
result = plan_block(block.text, registry)
result.ambiguities.each do |collision|
span = lift_span(var_doc.source, block, collision.match_start, collision.match_end)
cp_start = Offsets.cp_index_for_utf16(block.text, collision.match_start)
cp_end = Offsets.cp_index_for_utf16(block.text, collision.match_end)
diagnostics << Diagnostics.ambiguous_match(
AmbiguousInput.new(
text: block.text[cp_start...cp_end],
span: span,
candidates: collision.candidates.map do |c|
Candidate.new(
expression: c.expression,
source_file: c.step_def.expression_source_file,
source_line: c.step_def.expression_source_line
)
end
)
)
had_ambiguous = true
end
next unless !had_ambiguous && !result.steps.empty?
steps_by_block[idx] = result.steps.map do |hit|
PlannedStep.new(
text: Offsets.utf16_slice(block.text, hit.match_start, hit.match_end),
match_span: lift_span(var_doc.source, block, hit.match_start, hit.match_end),
param_spans: hit.param_spans.map { |p| lift_span(var_doc.source, block, p.start, p.end) },
step_def: hit.step_def,
args: hit.args,
formats: hit.formats
)
end
end
bound = had_ambiguous ? nil : (ex, steps_by_block, var_doc.source)
if bound
table, binding_step, = bound
= HeaderBinding.new(
match_span: binding_step.match_span,
param_spans: ,
step_def: binding_step.step_def
)
table.rows.each do |row|
row_object = {}
table..cells.each_with_index do |cell_name, i|
row_object[cell_name] = i < row.cells.length ? row.cells[i] : ''
end
row_step = PlannedStep.new(
text: binding_step.text,
match_span: row.span,
param_spans: binding_step.param_spans,
step_def: binding_step.step_def,
args: binding_step.args + [row_object],
formats: binding_step.formats
)
row_checks = table..cells.each_with_index.map do |cell_name, i|
RowCheck.new(
column: cell_name,
value: i < row.cells.length ? row.cells[i] : '',
span: i < row.cell_spans.length ? row.cell_spans[i] : row.span
)
end
examples << PlannedExample.new(
name: row.cells.join(' / '),
scope_stack: ex.scope_stack + [binding_step.text],
span: row.span,
steps: [row_step],
header_binding: ,
row_checks: row_checks
)
end
next
end
error_fence = ex.body.find { |b| b.kind == 'fence' && b.info == 'error' }
attachments = {}
(1...ex.body.length).each do |idx|
here = ex.body[idx]
if here.kind == 'table' && steps_by_block.key?(idx - 1)
_prev_data, prev_doc = attachments[idx - 1] || [nil, nil]
attachments[idx - 1] = [here, prev_doc]
elsif here.kind == 'fence' && here.info != 'error' && steps_by_block.key?(idx - 1)
prev_data, = attachments[idx - 1] || [nil, nil]
attachments[idx - 1] = [
prev_data,
DocString.new(content: here.body, content_type: here.info, span: here.body_span)
]
end
end
final_steps = []
(0...ex.body.length).each do |idx|
block_steps = steps_by_block[idx] || []
attach = attachments[idx]
block_steps.each_with_index do |step, s_idx|
if s_idx == block_steps.length - 1 && attach
data_table, doc_string = attach
final_steps << PlannedStep.new(
text: step.text, match_span: step.match_span, param_spans: step.param_spans,
step_def: step.step_def, args: step.args, formats: step.formats,
data_table: data_table, doc_string: doc_string
)
else
final_steps << step
end
end
end
runnable_steps = had_ambiguous ? [] : final_steps
if error_fence && runnable_steps.empty?
diagnostics << Diagnostics.error_fence_without_step(error_fence.span)
end
next if final_steps.empty? && !had_ambiguous
expected_outcome = nil
expected_error_message = nil
if error_fence
expected_outcome = 'fail'
msg = error_fence.body.strip
expected_error_message = msg unless msg.empty?
end
examples << PlannedExample.new(
name: derive_example_name(ex.body),
scope_stack: ex.scope_stack,
span: ex.span,
steps: runnable_steps,
expected_outcome: expected_outcome,
expected_error_message: expected_error_message
)
end
ExecutionPlan.new(var_doc: var_doc, examples: examples, diagnostics: diagnostics)
end
|