60 lines
1.3 KiB
Bash
60 lines
1.3 KiB
Bash
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#!/bin/bash
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# Check if input file is provided
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#if [ $# -eq 0 ]; then
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# echo "Usage: $0 <input_file> [output_file]"
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# exit 1
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#fi
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# Input and output file names
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INPUT_FILE="./working/waddle.bnf"
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OUTPUT_FILE="./working/waddle_flattened.bnf"
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# Flatten multi-line BNF definitions
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awk '
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BEGIN {
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in_definition = 0
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current_line = ""
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}
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/^[[:space:]]*$/ {
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# Empty line
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if (in_definition) {
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# Remove leading/trailing whitespace and collapse internal whitespace
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gsub(/^[[:space:]]+|[[:space:]]+$/, "", current_line)
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gsub(/[[:space:]]+/, " ", current_line)
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print current_line
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current_line = ""
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in_definition = 0
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}
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next
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}
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/^[[:space:]]*import/ {
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# Print import line as-is
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print $0
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next
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}
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{
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in_definition = 1
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# Append current line to definition, removing leading/trailing whitespace
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if (current_line == "") {
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current_line = $0
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} else {
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current_line = current_line " " $0
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}
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}
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END {
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# Handle last definition if exists
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if (in_definition) {
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gsub(/^[[:space:]]+|[[:space:]]+$/, "", current_line)
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gsub(/[[:space:]]+/, " ", current_line)
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print current_line
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}
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}
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' "$INPUT_FILE" > "$OUTPUT_FILE"
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echo "Flattened BNF saved to $OUTPUT_FILE"
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