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package main
import (
"bytes"
"errors"
"io"
"github.com/rqlite/sql"
)
type sqlVisitor struct{}
func processSql(path string) {
p := sql.NewParser(bytes.NewReader(currentFile))
for {
stmt, err := p.ParseStatement()
switch {
case errors.Is(err, io.EOF):
return
case err != nil:
die(err)
}
sql.Walk(sqlVisitor{}, stmt)
}
}
func processSqlArgs(msgidExpr, msgctxtExpr sql.Expr, pos sql.Pos) {
msgid, ok := msgidExpr.(*sql.StringLit)
if !ok {
return
}
msgctxt, ok := msgctxtExpr.(*sql.StringLit)
if !ok {
return
}
tl := translation{
msgid: msgid.Value,
msgctxt: msgctxt.Value,
}
ti := translations[tl]
ti.locs = append(ti.locs, loc{currentPath, pos.Line})
translations[tl] = ti
}
func (v sqlVisitor) Visit(n sql.Node) (sql.Visitor, sql.Node, error) {
if cn, ok := n.(*sql.Call); ok && sql.IdentName(cn.Name) == "C_" {
processSqlArgs(cn.Args[0], cn.Args[1], cn.Lparen)
}
return v, n, nil
}
func (v sqlVisitor) VisitEnd(n sql.Node) (sql.Node, error) {
return n, nil
}
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