oushu/lava-oushudb-dt-sql-parser
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用pegjs重写sql分割方法

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HSunboy
2018-07-06 16:22:57 +08:00
parent 01834251ee
commit a948c4562a
4 changed files with 105 additions and 40 deletions
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82
core/comment.js
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@ -113,7 +113,7 @@ module.exports = (function(){
result0 = parse_union_stmt();
if (result0 !== null) {
result0 = (function(offset, union_stmt) {
return union_stmt;
return {lines,text:union_stmt};
})(pos0, result0);
}
if (result0 === null) {
@ -229,6 +229,24 @@ module.exports = (function(){
if (result2 === null) {
pos = pos4;
}
if (result2 === null) {
pos4 = pos;
if (input.charCodeAt(pos) === 59) {
result2 = ";";
pos++;
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\";\"");
}
}
if (result2 !== null) {
result2 = (function(offset) {isSplit=true;return ";"})(pos4);
}
if (result2 === null) {
pos = pos4;
}
}
}
if (result2 !== null) {
result1 = [result1, result2];
@ -241,7 +259,16 @@ module.exports = (function(){
pos = pos3;
}
if (result1 !== null) {
result1 = (function(offset, words, stmt) {return words.join("")+stmt})(pos2, result1[0], result1[1]);
result1 = (function(offset, words, stmt) {
const text=words.join("")+stmt;
let index=Math.max(lines.length-1,0);
lines[index]=(lines[index]||'')+text;
if(isSplit){
isSplit=false;
lines.push('');
}
return text;
})(pos2, result1[0], result1[1]);
}
if (result1 === null) {
pos = pos2;
@ -348,6 +375,24 @@ module.exports = (function(){
if (result2 === null) {
pos = pos4;
}
if (result2 === null) {
pos4 = pos;
if (input.charCodeAt(pos) === 59) {
result2 = ";";
pos++;
} else {
result2 = null;
if (reportFailures === 0) {
matchFailed("\";\"");
}
}
if (result2 !== null) {
result2 = (function(offset) {isSplit=true;return ";"})(pos4);
}
if (result2 === null) {
pos = pos4;
}
}
}
if (result2 !== null) {
result1 = [result1, result2];
@ -360,7 +405,16 @@ module.exports = (function(){
pos = pos3;
}
if (result1 !== null) {
result1 = (function(offset, words, stmt) {return words.join("")+stmt})(pos2, result1[0], result1[1]);
result1 = (function(offset, words, stmt) {
const text=words.join("")+stmt;
let index=Math.max(lines.length-1,0);
lines[index]=(lines[index]||'')+text;
if(isSplit){
isSplit=false;
lines.push('');
}
return text;
})(pos2, result1[0], result1[1]);
}
if (result1 === null) {
pos = pos2;
@ -400,7 +454,12 @@ module.exports = (function(){
pos = pos1;
}
if (result0 !== null) {
result0 = (function(offset, stmt, other) {return stmt.join("")+other.join("")})(pos0, result0[0], result0[1]);
result0 = (function(offset, stmt, other) {
const text=stmt.join("")+other.join("")
let index=Math.max(lines.length-1,0);
lines[index]=lines[index]+other.join("");
return text;
})(pos0, result0[0], result0[1]);
}
if (result0 === null) {
pos = pos0;
@ -771,6 +830,17 @@ module.exports = (function(){
matchFailed("\"'\"");
}
}
if (result0 === null) {
if (input.charCodeAt(pos) === 59) {
result0 = ";";
pos++;
} else {
result0 = null;
if (reportFailures === 0) {
matchFailed("\";\"");
}
}
}
}
}
}
@ -911,6 +981,10 @@ module.exports = (function(){
}
let lines=[];
let isSplit=false;
var result = parseFunctions[startRule]();
/*